git.maemo.org Git - modest/blob - src/widgets/modest-gtkhtml-msg-view.c

   1 /* Copyright (c) 2006, 2007, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <config.h>
  31 #include <tny-gtk-text-buffer-stream.h>
  32 #include <string.h>
  33 #include <regex.h>
  34 #include <ctype.h>
  35 #include <stdlib.h>
  36 #include <glib/gi18n.h>
  37 #include <tny-list.h>
  38 #include <tny-simple-list.h>
  39 #include <tny-vfs-stream.h>
  40
  41 #include <modest-tny-msg.h>
  42 #include <modest-text-utils.h>
  43 #include <widgets/modest-msg-view.h>
  44 #ifdef MODEST_TOOLKIT_HILDON2
  45 #include <widgets/modest-compact-mail-header-view.h>
  46 #include <hildon/hildon-gtk.h>
  47 #else
  48 #include <widgets/modest-expander-mail-header-view.h>
  49 #endif
  50 #include <widgets/modest-attachments-view.h>
  51 #include <modest-marshal.h>
  52 #include <widgets/modest-gtkhtml-mime-part-view.h>
  53 #include <widgets/modest-gtkhtml-msg-view.h>
  54 #include <widgets/modest-isearch-view.h>
  55 #include <widgets/modest-ui-constants.h>
  56 #include <modest-icon-names.h>
  57 #include <tny-camel-bs-mime-part.h>
  58 #include <modest-runtime.h>
  59
  60 /* FIXNE: we should have no maemo-deps in widgets/ */
  61 #ifndef MODEST_TOOLKIT_GTK
  62 #include "maemo/modest-hildon-includes.h"
  63 #endif /*!MODEST_TOOLKIT_GTK*/
  64
  65
  66 /* 'private'/'protected' functions */
  67 static void     modest_gtkhtml_msg_view_class_init   (ModestGtkhtmlMsgViewClass *klass);
  68 static void     tny_header_view_init (gpointer g, gpointer iface_data);
  69 static void     tny_msg_view_init (gpointer g, gpointer iface_data);
  70 static void     tny_mime_part_view_init (gpointer g, gpointer iface_data);
  71 static void     modest_mime_part_view_init (gpointer g, gpointer iface_data);
  72 static void     modest_zoomable_init (gpointer g, gpointer iface_data);
  73 static void     modest_isearch_view_init (gpointer g, gpointer iface_data);
  74 static void     modest_msg_view_init (gpointer g, gpointer iface_data);
  75 static void     modest_gtkhtml_msg_view_init         (ModestGtkhtmlMsgView *obj);
  76 static void     modest_gtkhtml_msg_view_finalize     (GObject *obj);
  77 static void     modest_gtkhtml_msg_view_destroy     (GtkObject *obj);
  78 static void     set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
  79 static void     get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
  80
  81 /* headers signals */
  82 static void on_recpt_activated (ModestMailHeaderView *header_view, const gchar *address, ModestGtkhtmlMsgView *msg_view);
  83 static void on_show_details (ModestMailHeaderView *header_view, ModestGtkhtmlMsgView *msg_view);
  84 static void on_attachment_activated (ModestAttachmentsView * att_view, TnyMimePart *mime_part, gpointer userdata);
  85
  86 /* body view signals */
  87 static gboolean on_activate_link (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMsgView *msg_view);
  88 static gboolean on_fetch_url (GtkWidget *widget, const gchar *uri, TnyStream *stream,
  89                               ModestGtkhtmlMsgView *msg_view);
  90 static gboolean on_link_hover (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMsgView *msg_view);
  91 static void on_limit_error (GtkWidget *widget, ModestGtkhtmlMsgView *msg_view);
  92
  93 #ifdef MAEMO_CHANGES
  94 static void     on_tap_and_hold (GtkWidget *widget, gpointer userdata);
  95 static gboolean on_tap_and_hold_query (GtkWidget *widget, GdkEvent *event, gpointer userdata);
  96 #endif /*MAEMO_CHANGES*/
  97
  98
  99 /* size allocation and drawing handlers */
 100 static void get_view_allocation (ModestGtkhtmlMsgView *msg_view, GtkAllocation *allocation);
 101 static void size_request (GtkWidget *widget, GtkRequisition *req);
 102 static void size_allocate (GtkWidget *widget, GtkAllocation *alloc);
 103 static void realize (GtkWidget *widget);
 104 static void unrealize (GtkWidget *widget);
 105 static gint expose (GtkWidget *widget, GdkEventExpose *event);
 106 static void reclamp_adjustment (GtkAdjustment *adj, gboolean *value_changed);
 107 static void set_hadjustment_values (ModestGtkhtmlMsgView *msg_view, gboolean *value_changed);
 108 static void set_scroll_adjustments (ModestGtkhtmlMsgView *msg_view, GtkAdjustment *hadj, GtkAdjustment *vadj);
 109 static void adjustment_value_changed (GtkAdjustment *adj, gpointer data);
 110 static void html_adjustment_changed (GtkAdjustment *adj, gpointer data);
 111 static void disconnect_vadjustment (ModestGtkhtmlMsgView *obj);
 112 static void disconnect_hadjustment (ModestGtkhtmlMsgView *obj);
 113 static gboolean idle_readjust_scroll (ModestGtkhtmlMsgView *obj);
 114
 115 /* vertical panning implementation */
 116 #ifdef MAEMO_CHANGES
 117 static gboolean motion_notify_event (GtkWidget *widget,
 118                                      GdkEventMotion *event,
 119                                      gpointer userdata);
 120 #endif
 121
 122 static gboolean
 123 button_press_event (GtkWidget *widget,
 124                     GdkEventButton *event,
 125                     gpointer userdata);
 126 static gboolean
 127 button_release_event (GtkWidget *widget,
 128                       GdkEventButton *event,
 129                       gpointer userdata);
 130
 131 /* GtkContainer methods */
 132 static void forall (GtkContainer *container, gboolean include_internals,
 133                     GtkCallback callback, gpointer userdata);
 134 static void container_remove (GtkContainer *container, GtkWidget *widget);
 135
 136 /* TnyMimePartView implementation */
 137 static void modest_msg_view_mp_clear (TnyMimePartView *self);
 138 static void modest_msg_view_mp_set_part (TnyMimePartView *self, TnyMimePart *part);
 139 static void modest_msg_view_mp_set_part_default (TnyMimePartView *self, TnyMimePart *part);
 140 static TnyMimePart* modest_msg_view_mp_get_part (TnyMimePartView *self);
 141 static TnyMimePart* modest_msg_view_mp_get_part_default (TnyMimePartView *self);
 142 /* ModestMimePartView implementation */
 143 static gboolean modest_msg_view_mp_is_empty (ModestMimePartView *self);
 144 static gboolean modest_msg_view_mp_is_empty_default (ModestMimePartView *self);
 145 /* TnyHeaderView implementation */
 146 static void modest_msg_view_set_header (TnyHeaderView *self, TnyHeader *header);
 147 static void modest_msg_view_set_header_default (TnyHeaderView *self, TnyHeader *header);
 148 static void modest_msg_view_clear_header (TnyHeaderView *self);
 149 static void modest_msg_view_clear_header_default (TnyHeaderView *self);
 150 /* TnyMsgView implementation */
 151 static TnyMsg *modest_msg_view_get_msg (TnyMsgView *self);
 152 static TnyMsg *modest_msg_view_get_msg_default (TnyMsgView *self);
 153 static void modest_msg_view_set_msg (TnyMsgView *self, TnyMsg *msg);
 154 static void modest_msg_view_set_msg_default (TnyMsgView *self, TnyMsg *msg);
 155 static void modest_msg_view_clear (TnyMsgView *self);
 156 static void modest_msg_view_clear_default (TnyMsgView *self);
 157 static void modest_msg_view_set_unavailable (TnyMsgView *self);
 158 static void modest_msg_view_set_unavailable_default (TnyMsgView *self);
 159 static TnyMimePartView *modest_msg_view_create_mime_part_view_for (TnyMsgView *self, TnyMimePart *part);
 160 static TnyMimePartView *modest_msg_view_create_mime_part_view_for_default (TnyMsgView *self, TnyMimePart *part);
 161 static TnyMsgView *modest_msg_view_create_new_inline_viewer (TnyMsgView *self);
 162 static TnyMsgView *modest_msg_view_create_new_inline_viewer_default (TnyMsgView *self);
 163 /* ModestZoomable implementation */
 164 static gdouble modest_msg_view_get_zoom (ModestZoomable *self);
 165 static void modest_msg_view_set_zoom (ModestZoomable *self, gdouble value);
 166 static gboolean modest_msg_view_zoom_minus (ModestZoomable *self);
 167 static gboolean modest_msg_view_zoom_plus (ModestZoomable *self);
 168 static gdouble modest_msg_view_get_zoom_default (ModestZoomable *self);
 169 static void modest_msg_view_set_zoom_default (ModestZoomable *self, gdouble value);
 170 static gboolean modest_msg_view_zoom_minus_default (ModestZoomable *self);
 171 static gboolean modest_msg_view_zoom_plus_default (ModestZoomable *self);
 172 /* ModestISearchView implementation */
 173 static gboolean modest_msg_view_search (ModestISearchView *self, const gchar *string);
 174 static gboolean modest_msg_view_search_default (ModestISearchView *self, const gchar *string);
 175 static gboolean modest_msg_view_search_next (ModestISearchView *self);
 176 static gboolean modest_msg_view_search_next_default (ModestISearchView *self);
 177 /* ModestMsgView implementation */
 178 static void modest_gtkhtml_msg_view_set_msg_with_other_body (ModestMsgView *self, TnyMsg *msg, TnyMimePart *other_body);
 179 static GtkAdjustment *modest_gtkhtml_msg_view_get_vadjustment (ModestMsgView *self);
 180 static GtkAdjustment *modest_gtkhtml_msg_view_get_hadjustment (ModestMsgView *self);
 181 static void modest_gtkhtml_msg_view_set_vadjustment (ModestMsgView *self, GtkAdjustment *vadj);
 182 static void modest_gtkhtml_msg_view_set_hadjustment (ModestMsgView *self, GtkAdjustment *hadj);
 183 static void modest_gtkhtml_msg_view_set_shadow_type (ModestMsgView *self, GtkShadowType type);
 184 static GtkShadowType modest_gtkhtml_msg_view_get_shadow_type (ModestMsgView *self);
 185 static TnyHeaderFlags modest_gtkhtml_msg_view_get_priority (ModestMsgView *self);
 186 static void modest_gtkhtml_msg_view_set_priority (ModestMsgView *self, TnyHeaderFlags flags);
 187 static TnyList *modest_gtkhtml_msg_view_get_selected_attachments (ModestMsgView *self);
 188 static TnyList *modest_gtkhtml_msg_view_get_attachments (ModestMsgView *self);
 189 static void modest_gtkhtml_msg_view_grab_focus (ModestMsgView *self);
 190 static void modest_gtkhtml_msg_view_remove_attachment (ModestMsgView *view, TnyMimePart *attachment);
 191 static void modest_gtkhtml_msg_view_request_fetch_images (ModestMsgView *view);
 192 static void modest_gtkhtml_msg_view_set_branding (ModestMsgView *view, const gchar *brand_name, const GdkPixbuf *brand_icon);
 193 static gboolean modest_gtkhtml_msg_view_has_blocked_external_images (ModestMsgView *view);
 194 static void modest_gtkhtml_msg_view_set_msg_with_other_body_default (ModestMsgView *view, TnyMsg *msg, TnyMimePart *part);
 195 static GtkAdjustment *modest_gtkhtml_msg_view_get_vadjustment_default (ModestMsgView *self);
 196 static GtkAdjustment *modest_gtkhtml_msg_view_get_hadjustment_default (ModestMsgView *self);
 197 static void modest_gtkhtml_msg_view_set_vadjustment_default (ModestMsgView *self, GtkAdjustment *vadj);
 198 static void modest_gtkhtml_msg_view_set_hadjustment_default (ModestMsgView *self, GtkAdjustment *hadj);
 199 static void modest_gtkhtml_msg_view_set_shadow_type_default (ModestMsgView *self, GtkShadowType type);
 200 static GtkShadowType modest_gtkhtml_msg_view_get_shadow_type_default (ModestMsgView *self);
 201 static TnyHeaderFlags modest_gtkhtml_msg_view_get_priority_default (ModestMsgView *self);
 202 static void modest_gtkhtml_msg_view_set_priority_default (ModestMsgView *self, TnyHeaderFlags flags);
 203 static TnyList *modest_gtkhtml_msg_view_get_selected_attachments_default (ModestMsgView *self);
 204 static TnyList *modest_gtkhtml_msg_view_get_attachments_default (ModestMsgView *self);
 205 static void modest_gtkhtml_msg_view_grab_focus_default (ModestMsgView *self);
 206 static void modest_gtkhtml_msg_view_remove_attachment_default (ModestMsgView *view, TnyMimePart *attachment);
 207 static gboolean modest_gtkhtml_msg_view_has_blocked_external_images_default (ModestMsgView *view);
 208 static void modest_gtkhtml_msg_view_request_fetch_images_default (ModestMsgView *view);
 209 static void modest_gtkhtml_msg_view_set_branding_default (ModestMsgView *view, const gchar *brand_name, const GdkPixbuf *brand_icon);
 210
 211 /* internal api */
 212 static void     set_header     (ModestGtkhtmlMsgView *self, TnyHeader *header);
 213 static TnyMsg   *get_message   (ModestGtkhtmlMsgView *self);
 214 static void     set_message    (ModestGtkhtmlMsgView *self, TnyMsg *tny_msg, TnyMimePart *other_body);
 215 static gboolean is_empty       (ModestGtkhtmlMsgView *self);
 216 static void     set_zoom       (ModestGtkhtmlMsgView *self, gdouble zoom);
 217 static gdouble  get_zoom       (ModestGtkhtmlMsgView *self);
 218 static gboolean search         (ModestGtkhtmlMsgView *self, const gchar *search);
 219 static gboolean search_next    (ModestGtkhtmlMsgView *self);
 220 static GtkAdjustment *get_vadjustment (ModestGtkhtmlMsgView *self);
 221 static GtkAdjustment *get_hadjustment (ModestGtkhtmlMsgView *self);
 222 static void set_vadjustment (ModestGtkhtmlMsgView *self, GtkAdjustment *vadj);
 223 static void set_hadjustment (ModestGtkhtmlMsgView *self, GtkAdjustment *hadj);
 224 static void set_shadow_type (ModestGtkhtmlMsgView *self, GtkShadowType type);
 225 static GtkShadowType get_shadow_type (ModestGtkhtmlMsgView *self);
 226 static TnyHeaderFlags get_priority (ModestGtkhtmlMsgView *self);
 227 static void set_priority (ModestGtkhtmlMsgView *self, TnyHeaderFlags flags);
 228 static TnyList *get_selected_attachments (ModestGtkhtmlMsgView *self);
 229 static TnyList *get_attachments (ModestGtkhtmlMsgView *self);
 230 static void grab_focus (ModestGtkhtmlMsgView *self);
 231 static void remove_attachment (ModestGtkhtmlMsgView *view, TnyMimePart *attachment);
 232 static void request_fetch_images (ModestGtkhtmlMsgView *view);
 233 static void set_branding (ModestGtkhtmlMsgView *view, const gchar *brand_name, const GdkPixbuf *brand_icon);
 234 static gboolean has_blocked_external_images (ModestGtkhtmlMsgView *view);
 235 static void set_calendar (ModestGtkhtmlMsgView *self, TnyHeader *header, TnyMsg *msg);
 236
 237 /* list properties */
 238 enum {
 239         PROP_0,
 240         PROP_HADJUSTMENT,
 241         PROP_VADJUSTMENT,
 242         PROP_SHADOW_TYPE
 243 };
 244
 245 typedef struct _ModestGtkhtmlMsgViewPrivate ModestGtkhtmlMsgViewPrivate;
 246 struct _ModestGtkhtmlMsgViewPrivate {
 247         GtkWidget   *body_view;
 248         GtkWidget   *mail_header_view;
 249         GtkWidget   *attachments_view;
 250
 251         TnyMsg      *msg;
 252
 253         /* embedded elements */
 254         GtkWidget   *headers_box;
 255         GtkWidget   *html_scroll;
 256         GtkWidget   *attachments_box;
 257
 258 #ifdef MODEST_TOOLKIT_HILDON2
 259         GtkWidget   *priority_box;
 260         GtkWidget   *priority_icon;
 261         GtkWidget   *calendar_box;
 262         GtkWidget   *calendar_icon;
 263 #endif
 264         GtkWidget   *calendar_actions_box;
 265         GtkWidget   *calendar_actions_container;
 266
 267         /* internal adjustments for set_scroll_adjustments */
 268         GtkAdjustment *hadj;
 269         GtkAdjustment *vadj;
 270         GtkShadowType shadow_type;
 271
 272         /* gdk windows for drawing */
 273         GdkWindow *view_window;
 274         GdkWindow *headers_window;
 275         GdkWindow *html_window;
 276
 277         /* id handler for dragged scroll */
 278         guint idle_motion_id;
 279
 280         /* idle changes count */
 281         gint idle_changes_count;
 282         guint idle_readjust_scroll_id;
 283         guint idle_resize_children_id;
 284
 285         /* zoom */
 286         gdouble current_zoom;
 287
 288         /* link click management */
 289         gchar *last_url;
 290
 291         gboolean has_blocked_bs_images;
 292 };
 293
 294 #define MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 295                                                                                  MODEST_TYPE_GTKHTML_MSG_VIEW, \
 296                                                                                  ModestGtkhtmlMsgViewPrivate))
 297
 298 /* globals */
 299 static GtkContainerClass *parent_class = NULL;
 300
 301 GType
 302 modest_gtkhtml_msg_view_get_type (void)
 303 {
 304         static GType my_type = 0;
 305         if (!my_type) {
 306                 static const GTypeInfo my_info = {
 307                         sizeof(ModestGtkhtmlMsgViewClass),
 308                         NULL,           /* base init */
 309                         NULL,           /* base finalize */
 310                         (GClassInitFunc) modest_gtkhtml_msg_view_class_init,
 311                         NULL,           /* class finalize */
 312                         NULL,           /* class data */
 313                         sizeof(ModestGtkhtmlMsgView),
 314                         1,              /* n_preallocs */
 315                         (GInstanceInitFunc) modest_gtkhtml_msg_view_init,
 316                         NULL
 317                 };
 318                 static const GInterfaceInfo tny_msg_view_info =
 319                 {
 320                   (GInterfaceInitFunc) tny_msg_view_init, /* interface_init */
 321                   NULL,         /* interface_finalize */
 322                   NULL          /* interface_data */
 323                 };
 324
 325                 static const GInterfaceInfo tny_mime_part_view_info =
 326                 {
 327                   (GInterfaceInitFunc) tny_mime_part_view_init, /* interface_init */
 328                   NULL,         /* interface_finalize */
 329                   NULL          /* interface_data */
 330                 };
 331
 332                 static const GInterfaceInfo tny_header_view_info =
 333                 {
 334                   (GInterfaceInitFunc) tny_header_view_init, /* interface_init */
 335                   NULL,         /* interface_finalize */
 336                   NULL          /* interface_data */
 337                 };
 338
 339                 static const GInterfaceInfo modest_mime_part_view_info =
 340                 {
 341                   (GInterfaceInitFunc) modest_mime_part_view_init, /* interface_init */
 342                   NULL,         /* interface_finalize */
 343                   NULL          /* interface_data */
 344                 };
 345
 346                 static const GInterfaceInfo modest_zoomable_info =
 347                 {
 348                   (GInterfaceInitFunc) modest_zoomable_init, /* interface_init */
 349                   NULL,         /* interface_finalize */
 350                   NULL          /* interface_data */
 351                 };
 352
 353                 static const GInterfaceInfo modest_isearch_view_info =
 354                 {
 355                   (GInterfaceInitFunc) modest_isearch_view_init, /* interface_init */
 356                   NULL,         /* interface_finalize */
 357                   NULL          /* interface_data */
 358                 };
 359
 360                 static const GInterfaceInfo modest_msg_view_info =
 361                 {
 362                   (GInterfaceInitFunc) modest_msg_view_init, /* interface_init */
 363                   NULL,         /* interface_finalize */
 364                   NULL          /* interface_data */
 365                 };
 366
 367                 my_type = g_type_register_static (GTK_TYPE_CONTAINER,
 368                                                   "ModestGtkhtmlMsgView",
 369                                                   &my_info, 0);
 370
 371                 g_type_add_interface_static (my_type, TNY_TYPE_HEADER_VIEW,
 372                         &tny_header_view_info);
 373
 374                 g_type_add_interface_static (my_type, TNY_TYPE_MIME_PART_VIEW,
 375                         &tny_mime_part_view_info);
 376
 377                 g_type_add_interface_static (my_type, MODEST_TYPE_MIME_PART_VIEW,
 378                         &modest_mime_part_view_info);
 379
 380                 g_type_add_interface_static (my_type, TNY_TYPE_MSG_VIEW,
 381                         &tny_msg_view_info);
 382
 383                 g_type_add_interface_static (my_type, MODEST_TYPE_ZOOMABLE,
 384                         &modest_zoomable_info);
 385
 386                 g_type_add_interface_static (my_type, MODEST_TYPE_ISEARCH_VIEW,
 387                         &modest_isearch_view_info);
 388
 389                 g_type_add_interface_static (my_type, MODEST_TYPE_MSG_VIEW,
 390                         &modest_msg_view_info);
 391         }
 392         return my_type;
 393 }
 394
 395 static void
 396 modest_gtkhtml_msg_view_class_init (ModestGtkhtmlMsgViewClass *klass)
 397 {
 398         GObjectClass *gobject_class;
 399         GtkWidgetClass *widget_class;
 400         GtkObjectClass *gtkobject_class;
 401         GtkContainerClass *container_class;
 402         gobject_class = (GObjectClass*) klass;
 403         widget_class = (GtkWidgetClass *) klass;
 404         gtkobject_class = (GtkObjectClass *) klass;
 405         container_class = (GtkContainerClass *) klass;
 406
 407         parent_class            = g_type_class_peek_parent (klass);
 408         gobject_class->finalize = modest_gtkhtml_msg_view_finalize;
 409         gobject_class->set_property = set_property;
 410         gobject_class->get_property = get_property;
 411         gtkobject_class->destroy = modest_gtkhtml_msg_view_destroy;
 412
 413         widget_class->realize = realize;
 414         widget_class->unrealize = unrealize;
 415         widget_class->expose_event = expose;
 416         widget_class->size_request = size_request;
 417         widget_class->size_allocate = size_allocate;
 418
 419         container_class->forall = forall;
 420         container_class->remove = container_remove;
 421
 422         klass->set_header_func = modest_msg_view_set_header_default;
 423         klass->clear_header_func = modest_msg_view_clear_header_default;
 424         klass->set_scroll_adjustments = set_scroll_adjustments;
 425         klass->get_part_func = modest_msg_view_mp_get_part_default;
 426         klass->set_part_func = modest_msg_view_mp_set_part_default;
 427         klass->is_empty_func = modest_msg_view_mp_is_empty_default;
 428         klass->get_msg_func = modest_msg_view_get_msg_default;
 429         klass->set_msg_func = modest_msg_view_set_msg_default;
 430         klass->set_unavailable_func = modest_msg_view_set_unavailable_default;
 431         klass->clear_func = modest_msg_view_clear_default;
 432         klass->create_mime_part_view_for_func = modest_msg_view_create_mime_part_view_for_default;
 433         klass->create_new_inline_viewer_func = modest_msg_view_create_new_inline_viewer_default;
 434         klass->get_zoom_func = modest_msg_view_get_zoom_default;
 435         klass->set_zoom_func = modest_msg_view_set_zoom_default;
 436         klass->zoom_minus_func = modest_msg_view_zoom_minus_default;
 437         klass->zoom_plus_func = modest_msg_view_zoom_plus_default;
 438         klass->search_func = modest_msg_view_search_default;
 439         klass->search_next_func = modest_msg_view_search_next_default;
 440         klass->set_msg_with_other_body_func = modest_gtkhtml_msg_view_set_msg_with_other_body_default;
 441         klass->get_vadjustment_func = modest_gtkhtml_msg_view_get_vadjustment_default;
 442         klass->get_hadjustment_func = modest_gtkhtml_msg_view_get_hadjustment_default;
 443         klass->set_vadjustment_func = modest_gtkhtml_msg_view_set_vadjustment_default;
 444         klass->set_hadjustment_func = modest_gtkhtml_msg_view_set_hadjustment_default;
 445         klass->get_shadow_type_func = modest_gtkhtml_msg_view_get_shadow_type_default;
 446         klass->set_shadow_type_func = modest_gtkhtml_msg_view_set_shadow_type_default;
 447         klass->get_priority_func = modest_gtkhtml_msg_view_get_priority_default;
 448         klass->set_priority_func = modest_gtkhtml_msg_view_set_priority_default;
 449         klass->get_selected_attachments_func = modest_gtkhtml_msg_view_get_selected_attachments_default;
 450         klass->get_attachments_func = modest_gtkhtml_msg_view_get_attachments_default;
 451         klass->grab_focus_func = modest_gtkhtml_msg_view_grab_focus_default;
 452         klass->remove_attachment_func = modest_gtkhtml_msg_view_remove_attachment_default;
 453         klass->request_fetch_images_func = modest_gtkhtml_msg_view_request_fetch_images_default;
 454         klass->set_branding_func = modest_gtkhtml_msg_view_set_branding_default;
 455         klass->has_blocked_external_images_func = modest_gtkhtml_msg_view_has_blocked_external_images_default;
 456
 457         g_type_class_add_private (gobject_class, sizeof(ModestGtkhtmlMsgViewPrivate));
 458
 459         g_object_class_install_property (gobject_class,
 460                                          PROP_HADJUSTMENT,
 461                                          g_param_spec_object ("hadjustment",
 462                                                               _("Horizontal adjustment"),
 463                                                               _("GtkAdjustment with information of the horizontal visible position"),
 464                                                               GTK_TYPE_ADJUSTMENT,
 465                                                               G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
 466
 467         g_object_class_install_property (gobject_class,
 468                                          PROP_VADJUSTMENT,
 469                                          g_param_spec_object ("vadjustment",
 470                                                               _("Vertical adjustment"),
 471                                                               _("GtkAdjustment with information of the vertical visible position"),
 472                                                               GTK_TYPE_ADJUSTMENT,
 473                                                               G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
 474
 475         g_object_class_install_property (gobject_class,
 476                                          PROP_SHADOW_TYPE,
 477                                          g_param_spec_enum ("shadow_type",
 478                                                             _("Shadow type"),
 479                                                             _("Kind of shadow that's shown around the view"),
 480                                                             GTK_TYPE_SHADOW_TYPE,
 481                                                             GTK_SHADOW_IN,
 482                                                             G_PARAM_READABLE | G_PARAM_WRITABLE ));
 483
 484         widget_class->set_scroll_adjustments_signal =
 485                 g_signal_new ("set_scroll_adjustments",
 486                               G_OBJECT_CLASS_TYPE (gobject_class),
 487                               G_SIGNAL_RUN_LAST|G_SIGNAL_ACTION,
 488                               G_STRUCT_OFFSET (ModestGtkhtmlMsgViewClass, set_scroll_adjustments),
 489                               NULL, NULL,
 490                               modest_marshal_VOID__POINTER_POINTER,
 491                               G_TYPE_NONE, 2,
 492                               GTK_TYPE_ADJUSTMENT,
 493                               GTK_TYPE_ADJUSTMENT);
 494 }
 495
 496 static void
 497 set_property (GObject *object,
 498               guint prop_id,
 499               const GValue *value,
 500               GParamSpec *pspec)
 501 {
 502         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (object);
 503
 504         switch (prop_id) {
 505         case PROP_HADJUSTMENT:
 506                 set_hadjustment (self, g_value_get_object (value));
 507                 break;
 508         case PROP_VADJUSTMENT:
 509                 set_vadjustment (self, g_value_get_object (value));
 510                 break;
 511         case PROP_SHADOW_TYPE:
 512                 set_shadow_type (self, g_value_get_enum (value));
 513                 break;
 514         default:
 515                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 516                 break;
 517         }
 518 }
 519
 520 static void
 521 get_property (GObject *object,
 522               guint prop_id,
 523               GValue *value,
 524               GParamSpec *pspec)
 525 {
 526         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (object);
 527         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 528
 529         switch (prop_id) {
 530         case PROP_HADJUSTMENT:
 531                 g_value_set_object (value, priv->hadj);
 532                 break;
 533         case PROP_VADJUSTMENT:
 534                 g_value_set_object (value, priv->vadj);
 535                 break;
 536         case PROP_SHADOW_TYPE:
 537                 g_value_set_enum (value, priv->shadow_type);
 538                 break;
 539         default:
 540                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 541                 break;
 542         }
 543 }
 544
 545 static void
 546 disconnect_hadjustment (ModestGtkhtmlMsgView *self)
 547 {
 548         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 549
 550         if (priv->hadj) {
 551                 g_signal_handlers_disconnect_by_func(priv->hadj, adjustment_value_changed, self);
 552                 g_object_unref (priv->hadj);
 553                 priv->hadj = NULL;
 554         }
 555 }
 556
 557 static void
 558 disconnect_vadjustment (ModestGtkhtmlMsgView *self)
 559 {
 560         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 561
 562         if (priv->vadj) {
 563                 g_signal_handlers_disconnect_by_func(priv->vadj, adjustment_value_changed, self);
 564                 g_object_unref (priv->vadj);
 565                 priv->vadj = NULL;
 566         }
 567 }
 568
 569 static void
 570 get_view_allocation (ModestGtkhtmlMsgView *self, GtkAllocation *allocation)
 571 {
 572         /* This method gets the allocation of the widget in parent widget. It's the
 573            real position and size of the widget */
 574         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 575
 576         allocation->x = 0;
 577         allocation->y = 0;
 578
 579         if (priv->shadow_type != GTK_SHADOW_NONE) {
 580                 allocation->x = GTK_WIDGET (self)->style->xthickness;
 581                 allocation->y = GTK_WIDGET (self)->style->ythickness;
 582         }
 583
 584         allocation->width = MAX (1, (GTK_WIDGET (self)->allocation.width) - allocation->x * 2);
 585         allocation->height = MAX (1, (GTK_WIDGET (self)->allocation.height) - allocation->y * 2);
 586
 587 }
 588
 589 static void
 590 reclamp_adjustment (GtkAdjustment *adj,
 591                     gboolean *value_changed)
 592 {
 593         gdouble value = adj->value;
 594
 595         /* Correct value to be inside the expected values of a scroll */
 596
 597         value = CLAMP (value, 0, adj->upper - adj->page_size);
 598
 599         if (value != adj->value) {
 600                 adj->value = value;
 601                 if (value_changed)
 602                         *value_changed = TRUE;
 603         } else if (value_changed) {
 604                 *value_changed = FALSE;
 605         }
 606 }
 607
 608 static void
 609 set_hadjustment_values (ModestGtkhtmlMsgView *self,
 610                         gboolean *value_changed)
 611 {
 612         GtkAllocation view_allocation;
 613         GtkAdjustment *hadj = get_hadjustment (self);
 614         gint full_width = 0;
 615         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 616
 617         get_view_allocation (self, &view_allocation);
 618         hadj->page_size = view_allocation.width;
 619         hadj->step_increment = view_allocation.width * 0.1;
 620         hadj->page_increment = view_allocation.width * 0.9;
 621
 622         hadj->lower = 0;
 623         hadj->upper = view_allocation.width;
 624
 625         /* Get the real width of the embedded html */
 626         if (priv->html_scroll && GTK_WIDGET_VISIBLE(priv->html_scroll)) {
 627                 GtkAdjustment *html_hadj;
 628                 html_hadj = gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 629                 full_width += html_hadj->upper;
 630         }
 631
 632         hadj->upper = MAX (view_allocation.width, full_width);
 633
 634         reclamp_adjustment (hadj, value_changed);
 635
 636 }
 637
 638 static void
 639 set_vadjustment_values (ModestGtkhtmlMsgView *self,
 640                         gboolean *value_changed)
 641 {
 642         GtkAllocation view_allocation;
 643         GtkAdjustment *vadj = get_vadjustment (self);
 644         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 645         gint full_height = 0;
 646         GtkAdjustment *html_vadj;
 647
 648         get_view_allocation (self, &view_allocation);
 649         vadj->page_size = view_allocation.height;
 650         vadj->step_increment = view_allocation.height * 0.1;
 651         vadj->page_increment = view_allocation.height * 0.9;
 652
 653         vadj->lower = 0;
 654
 655         if (priv->headers_box && GTK_WIDGET_VISIBLE(priv->headers_box)) {
 656                 GtkRequisition child_requisition;
 657
 658                 gtk_widget_get_child_requisition (priv->headers_box, &child_requisition);
 659                 full_height = child_requisition.height;
 660         } else {
 661                 full_height = 0;
 662         }
 663
 664         /* Get the real height of the embedded html */
 665         if (priv->html_scroll && GTK_WIDGET_VISIBLE(priv->html_scroll)) {
 666                 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 667                 full_height += html_vadj->upper;
 668         }
 669
 670         vadj->upper = MAX (view_allocation.height, full_height);
 671
 672         reclamp_adjustment (vadj, value_changed);
 673
 674 }
 675
 676 static void
 677 set_scroll_adjustments (ModestGtkhtmlMsgView *self,
 678                         GtkAdjustment *hadj,
 679                         GtkAdjustment *vadj)
 680 {
 681         set_hadjustment (self, hadj);
 682         set_vadjustment (self, vadj);
 683
 684 #ifndef MODEST_TOOLKIT_HILDON2
 685         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 686         gtk_container_set_focus_vadjustment (GTK_CONTAINER (priv->body_view), vadj);
 687 #endif
 688 }
 689
 690 static void
 691 realize (GtkWidget *widget)
 692 {
 693         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (widget);
 694         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 695         GtkAdjustment *hadj = get_hadjustment (self);
 696         GtkAdjustment *vadj = get_vadjustment (self);
 697         GdkWindowAttr attributes;
 698         gint event_mask;
 699         gint attributes_mask;
 700         GtkAllocation view_allocation;
 701
 702         GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 703
 704         /* The structure of the GdkWindow's is:
 705          *    * widget->window: the shown gdkwindow embedding all the stuff inside
 706          *    * view_window: a backing store gdkwindow containing the headers and contents
 707          *      being scrolled. This window should have all the visible and non visible
 708          *      widgets inside.
 709          *    * headers_window: gdk window for headers_box.
 710          *    * html_window: gdk window for html_scroll (the scrolled window containing the
 711          *      body view showing the contents of the mail).
 712          */
 713
 714         attributes.x = widget->allocation.x;
 715         attributes.y = widget->allocation.y;
 716         attributes.width = widget->allocation.width;
 717         attributes.height = widget->allocation.height;
 718         attributes.window_type = GDK_WINDOW_CHILD;
 719         attributes.wclass = GDK_INPUT_OUTPUT;
 720         attributes.visual = gtk_widget_get_visual (widget);
 721         attributes.colormap = gtk_widget_get_colormap (widget);
 722
 723         event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
 724         attributes.event_mask = event_mask | GDK_BUTTON_PRESS_MASK;
 725         attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 726
 727         widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
 728                                          &attributes, attributes_mask);
 729         gdk_window_set_user_data (widget->window, self);
 730
 731         get_view_allocation (self, &view_allocation);
 732
 733         attributes.x = view_allocation.x;
 734         attributes.y = view_allocation.y;
 735         attributes.width = view_allocation.width;
 736         attributes.height = view_allocation.height;
 737         attributes.event_mask = 0;
 738         priv->view_window = gdk_window_new (widget->window, &attributes, attributes_mask);
 739         gdk_window_set_user_data (priv->view_window, self);
 740         gdk_window_set_back_pixmap (priv->view_window, NULL, FALSE);
 741
 742         attributes.x = -hadj->value;
 743         attributes.y = -vadj->value;
 744         attributes.width = hadj->upper;
 745         if (priv->headers_box)
 746                 attributes.height = GTK_WIDGET (priv->headers_box)->allocation.height;
 747         else
 748                 attributes.height = 1;
 749         attributes.event_mask = event_mask;
 750
 751         priv->headers_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 752         gdk_window_set_user_data (priv->headers_window, self);
 753
 754         if (priv->headers_box)
 755                 gtk_widget_set_parent_window (priv->headers_box, priv->headers_window);
 756
 757         attributes.x = -hadj->value;
 758         if (priv->headers_box)
 759                 attributes.y = GTK_WIDGET (priv->headers_box)->allocation.height - vadj->value;
 760         else
 761                 attributes.y = -vadj->value;
 762         attributes.width = hadj->upper;
 763         if (priv->headers_box)
 764                 attributes.height = vadj->upper - GTK_WIDGET (priv->headers_box)->allocation.height;
 765         else
 766                 attributes.height = vadj->upper;
 767         attributes.event_mask = event_mask;
 768
 769         priv->html_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 770         gdk_window_set_user_data (priv->html_window, self);
 771
 772         if (priv->html_scroll)
 773                 gtk_widget_set_parent_window (priv->html_scroll, priv->html_window);
 774
 775         widget->style = gtk_style_attach (widget->style, widget->window);
 776         gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 777         gtk_style_set_background (widget->style, priv->headers_window, GTK_STATE_NORMAL);
 778         gtk_style_set_background (widget->style, priv->html_window, GTK_STATE_NORMAL);
 779
 780         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 781                            GTK_SHADOW_NONE,
 782                            NULL, widget, "msgviewheaders",
 783                            0,0,-1,-1);
 784         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 785                            GTK_SHADOW_NONE,
 786                            NULL, widget, "msgviewcontents",
 787                            0,0,-1,-1);
 788
 789         gdk_window_show (priv->view_window);
 790         gdk_window_show (priv->headers_window);
 791         gdk_window_show (priv->html_window);
 792
 793 }
 794
 795 static void
 796 unrealize (GtkWidget *widget)
 797 {
 798         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (widget);
 799         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 800
 801         gdk_window_set_user_data (priv->view_window, NULL);
 802         gdk_window_destroy (priv->view_window);
 803         priv->view_window = NULL;
 804
 805         gdk_window_set_user_data (priv->headers_window, NULL);
 806         gdk_window_destroy (priv->headers_window);
 807         priv->headers_window = NULL;
 808
 809         gdk_window_set_user_data (priv->html_window, NULL);
 810         gdk_window_destroy (priv->html_window);
 811         priv->html_window = NULL;
 812
 813         if (GTK_WIDGET_CLASS (parent_class)->unrealize)
 814                 ( * GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
 815
 816 }
 817
 818 static gint
 819 expose (GtkWidget *widget,
 820         GdkEventExpose *event)
 821 {
 822         ModestGtkhtmlMsgView *self;
 823         ModestGtkhtmlMsgViewPrivate *priv;
 824
 825         if (GTK_WIDGET_DRAWABLE (widget)) {
 826                 self = MODEST_GTKHTML_MSG_VIEW (widget);
 827                 priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 828                 if (event->window == widget->window) {
 829                         gtk_paint_shadow (widget->style, widget->window,
 830                                           GTK_STATE_NORMAL, priv->shadow_type,
 831                                           &event->area, widget, "msgview",
 832                                           0,0,-1,-1);
 833                 } else if (event->window == priv->headers_window) {
 834                         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 835                                            GTK_SHADOW_NONE,
 836                                            &event->area, widget, "msgviewheaders",
 837                                            0,0,-1,-1);
 838                 } else if (event->window == priv->html_window) {
 839                         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 840                                            GTK_SHADOW_NONE,
 841                                            &event->area, widget, "msgviewcontents",
 842                                            0,0,-1,-1);
 843                 }
 844                 if (priv->headers_box)
 845                         gtk_container_propagate_expose (GTK_CONTAINER (self), priv->headers_box, event);
 846                 if (priv->html_scroll)
 847                         gtk_container_propagate_expose (GTK_CONTAINER (self), priv->html_scroll, event);
 848                 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
 849         }
 850
 851         return FALSE;
 852 }
 853
 854 static void
 855 forall (GtkContainer *container,
 856         gboolean include_internals,
 857         GtkCallback callback,
 858         gpointer userdata)
 859 {
 860         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (container);
 861         g_return_if_fail (callback != NULL);
 862
 863         if (priv->headers_box)
 864                 (*callback) (priv->headers_box, userdata);
 865         if (priv->html_scroll)
 866                 (*callback) (priv->html_scroll, userdata);
 867 }
 868
 869 static void
 870 container_remove (GtkContainer *container,
 871                   GtkWidget *widget)
 872 {
 873         gboolean was_visible = FALSE;
 874         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (container);
 875         was_visible = GTK_WIDGET_VISIBLE (widget);
 876         if (widget == priv->headers_box) {
 877                 gtk_widget_unparent (priv->headers_box);
 878                 priv->headers_box = NULL;
 879         } else if (widget == priv->html_scroll) {
 880                 gtk_widget_unparent (priv->html_scroll);
 881                 priv->html_scroll = NULL;
 882         } else {
 883                 return;
 884         }
 885         if (was_visible)
 886                 gtk_widget_queue_resize (GTK_WIDGET(container));
 887
 888 }
 889
 890 static void
 891 size_request (GtkWidget *widget,
 892               GtkRequisition *req)
 893 {
 894         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (widget);
 895         GtkRequisition child_req;
 896
 897         req->width = 0;
 898         req->height = 0;
 899
 900         gtk_widget_size_request (priv->headers_box, &child_req);
 901         req->width = child_req.width;
 902         req->height += child_req.height;
 903         gtk_widget_size_request (priv->html_scroll, &child_req);
 904         req->width = MAX (child_req.width, req->width);
 905         req->height += child_req.height;
 906
 907 }
 908
 909 static void
 910 size_allocate (GtkWidget *widget,
 911                GtkAllocation *allocation)
 912 {
 913         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (widget);
 914         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 915         gboolean hadj_value_changed, vadj_value_changed;
 916         GtkAllocation headers_allocation, html_allocation, view_allocation;
 917         GtkAdjustment *html_vadj;
 918
 919         if (GTK_WIDGET_MAPPED (widget) &&
 920             priv->shadow_type != GTK_SHADOW_NONE &&
 921             (allocation->width != widget->allocation.width ||
 922              allocation->height != widget->allocation.height))
 923                 gdk_window_invalidate_rect (widget->window, NULL, FALSE);
 924
 925         if (priv->idle_readjust_scroll_id == 0 && priv->idle_changes_count < 5 && widget->allocation.width != allocation->width) {
 926                 g_object_ref (self);
 927                 priv->idle_readjust_scroll_id = g_idle_add ((GSourceFunc) idle_readjust_scroll, self);
 928                 priv->idle_changes_count ++;
 929         }
 930
 931         widget->allocation = *allocation;
 932         set_hadjustment_values (self, &hadj_value_changed);
 933         set_vadjustment_values (self, &vadj_value_changed);
 934
 935         get_view_allocation (self, &view_allocation);
 936
 937         headers_allocation.x = 0;
 938         headers_allocation.y = 0;
 939         headers_allocation.width = view_allocation.width;
 940         if (priv->headers_box)
 941                 headers_allocation.height = GTK_WIDGET (priv->headers_box)->requisition.height;
 942         else
 943                 headers_allocation.height = 0;
 944
 945         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 946
 947         html_allocation.x = 0;
 948         html_allocation.y = MAX (0, headers_allocation.height - priv->vadj->value);
 949         html_allocation.width = view_allocation.width;
 950         if (html_vadj->upper < allocation->height) {
 951                 html_allocation.height = MAX (html_vadj->upper, allocation->height - headers_allocation.height);
 952         } else {
 953                 html_allocation.height = allocation->height;
 954         }
 955         /* html_allocation.height = MAX ((gint) html_vadj->upper, (gint)(priv->vadj->upper - headers_allocation.height)); */
 956
 957         if (GTK_WIDGET_REALIZED (widget)) {
 958                 gdk_window_move_resize (widget->window,
 959                                         allocation->x,
 960                                         allocation->y,
 961                                         allocation->width,
 962                                         allocation->height);
 963
 964                 gdk_window_move_resize (priv->view_window,
 965                                         view_allocation.x,
 966                                         view_allocation.y,
 967                                         view_allocation.width,
 968                                         view_allocation.height);
 969                 gdk_window_move_resize (priv->headers_window,
 970                                         0,
 971                                         (gint) (- priv->vadj->value),
 972                                         allocation->width,
 973                                         headers_allocation.height);
 974                 gdk_window_move_resize (priv->html_window,
 975                                         (gint) (- priv->hadj->value),
 976                                         (gint) html_allocation.y,
 977                                         (gint) priv->hadj->upper,
 978                                         html_allocation.height);
 979         }
 980
 981         if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 982                 gtk_widget_size_allocate (priv->headers_box, &headers_allocation);
 983         }
 984         if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 985                 html_allocation.x = 0;
 986                 html_allocation.y = 0;
 987                 html_allocation.width = (gint) priv->hadj->upper;
 988                 gtk_widget_size_allocate (priv->html_scroll, &html_allocation);
 989                 if (html_vadj->page_size != html_allocation.height) {
 990                         html_vadj->page_size = html_allocation.height;
 991                         gtk_adjustment_changed (html_vadj);
 992                 }
 993         }
 994         gtk_adjustment_changed (priv->hadj);
 995         gtk_adjustment_changed (priv->vadj);
 996
 997         if (hadj_value_changed)
 998                 gtk_adjustment_value_changed (priv->hadj);
 999         if (vadj_value_changed)
1000                 gtk_adjustment_value_changed (priv->vadj);
1001
1002 }
1003
1004 static void
1005 adjustment_value_changed (GtkAdjustment *adj, gpointer data)
1006 {
1007         ModestGtkhtmlMsgView *self = NULL;
1008         ModestGtkhtmlMsgViewPrivate *priv = NULL;
1009
1010         g_return_if_fail (GTK_IS_ADJUSTMENT (adj));
1011         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (data));
1012
1013         self = MODEST_GTKHTML_MSG_VIEW (data);
1014         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1015
1016         if (GTK_WIDGET_REALIZED (self)) {
1017                 GtkAdjustment *hadj = get_hadjustment (self);
1018                 GtkAdjustment *vadj = get_vadjustment (self);
1019                 gint headers_offset = 0;
1020
1021                 gtk_widget_queue_resize (priv->html_scroll);
1022
1023                 if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
1024                         gint old_x, old_y;
1025                         gint new_x, new_y;
1026                         gdk_window_get_position (priv->headers_window, &old_x, &old_y);
1027                         new_x = 0;
1028                         new_y = -vadj->value;
1029
1030                         headers_offset = GTK_WIDGET(priv->headers_box)->allocation.height;
1031
1032                         if (new_x != old_x || new_y != old_y) {
1033                                 gdk_window_move (priv->headers_window, new_x, new_y);
1034                                 gdk_window_process_updates (priv->headers_window, TRUE);
1035                         }
1036                 }
1037
1038                 if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
1039                         gint old_x, old_y;
1040                         gint new_x, new_y;
1041                         gint new_internal_vvalue;
1042                         gdk_window_get_position (priv->html_window, &old_x, &old_y);
1043                         new_x = -hadj->value;
1044
1045                         new_internal_vvalue = MAX (0, vadj->value - headers_offset);
1046                         gtk_adjustment_set_value (gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll)),
1047                                                   new_internal_vvalue);
1048
1049                         new_y = MAX (0, headers_offset - vadj->value);
1050
1051                         if (new_x != old_x || new_y != old_y) {
1052                                 gdk_window_move (priv->html_window, new_x, new_y);
1053                                 gdk_window_process_updates (priv->html_window, TRUE);
1054                         }
1055                 }
1056
1057         }
1058 }
1059
1060 static gboolean
1061 resize_children_idle (GtkContainer *cont)
1062 {
1063         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (cont);
1064         if (GTK_WIDGET_DRAWABLE (cont)) {
1065                 gtk_container_resize_children (cont);
1066         }
1067         priv->idle_resize_children_id = 0;
1068
1069         return FALSE;
1070 }
1071
1072 static void
1073 html_adjustment_changed (GtkAdjustment *adj,
1074                          gpointer userdata)
1075 {
1076         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (userdata);
1077         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1078         GtkAdjustment *html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
1079         gboolean vadj_changed;
1080         gint new_height;
1081
1082         g_signal_stop_emission_by_name (G_OBJECT (adj), "changed");
1083
1084         priv->html_scroll->requisition.height = html_vadj->upper;
1085         if ((priv->vadj != NULL && (html_vadj->upper == (priv->vadj->upper - GTK_WIDGET (priv->headers_box)->allocation.height)))
1086             && html_vadj->page_size == priv->html_scroll->allocation.height)
1087                 return;
1088
1089         set_vadjustment_values (self, &vadj_changed);
1090
1091         if (html_vadj->upper < GTK_WIDGET (self)->allocation.height) {
1092                 new_height = MAX (html_vadj->upper,
1093                                         GTK_WIDGET (self)->allocation.height - GTK_WIDGET(priv->headers_box)->allocation.height);
1094         } else {
1095                 new_height = GTK_WIDGET (self)->allocation.height;
1096         }
1097
1098         gtk_adjustment_changed (priv->vadj);
1099         if (GTK_WIDGET_DRAWABLE (priv->html_scroll)) {
1100                 gdk_window_resize (priv->html_window, (gint) priv->hadj->upper, (gint) new_height);
1101                 gdk_window_process_updates (priv->view_window, TRUE);
1102                 if (priv->idle_resize_children_id == 0)
1103                         priv->idle_resize_children_id = gdk_threads_add_idle ((GSourceFunc) resize_children_idle, self);
1104         }
1105
1106 }
1107
1108 gboolean
1109 idle_readjust_scroll (ModestGtkhtmlMsgView *self)
1110 {
1111         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1112
1113         /* We're out the main lock */
1114         gdk_threads_enter ();
1115
1116         if (GTK_WIDGET_DRAWABLE (self)) {
1117                 GtkAdjustment *html_vadj;
1118                 GtkAdjustment *html_hadj;
1119
1120                 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1121                 html_vadj->upper = 0;
1122                 html_vadj->page_size = 0;
1123                 g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
1124
1125                 html_hadj = gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1126                 html_hadj->upper = 0;
1127                 html_hadj->page_size = 0;
1128                 g_signal_emit_by_name (G_OBJECT (html_hadj), "changed");
1129
1130                 gtk_widget_set_size_request (GTK_WIDGET (priv->body_view), 1, 1);
1131                 gtk_widget_set_size_request (GTK_WIDGET (priv->body_view), -1, -1);
1132
1133                 gtk_widget_queue_resize (GTK_WIDGET (priv->body_view));
1134                 gtk_widget_queue_draw (GTK_WIDGET (priv->body_view));
1135
1136                 /* Just another hack for making readjust really work. This forces an update
1137                  * of the scroll, and then, make the scroll really update properly the
1138                  * the size and not corrupt scrollable area */
1139                 gtk_adjustment_set_value (priv->vadj, 1.0);
1140                 gtk_adjustment_set_value (priv->vadj, 0.0);
1141
1142         }
1143         priv->idle_readjust_scroll_id = 0;
1144         g_object_unref (G_OBJECT (self));
1145
1146
1147         gdk_threads_leave ();
1148
1149         return FALSE;
1150 }
1151
1152 static void
1153 modest_gtkhtml_msg_view_init (ModestGtkhtmlMsgView *obj)
1154 {
1155         ModestGtkhtmlMsgViewPrivate *priv;
1156         GtkAdjustment *html_vadj;
1157
1158         GTK_WIDGET_UNSET_FLAGS (obj, GTK_NO_WINDOW);
1159         gtk_widget_set_redraw_on_allocate (GTK_WIDGET (obj), TRUE);
1160         gtk_container_set_reallocate_redraws (GTK_CONTAINER (obj), TRUE);
1161         gtk_container_set_resize_mode (GTK_CONTAINER (obj), GTK_RESIZE_QUEUE);
1162
1163         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(obj);
1164
1165         priv->has_blocked_bs_images = FALSE;
1166
1167         priv->idle_changes_count = 0;
1168         priv->idle_readjust_scroll_id = 0;
1169         priv->idle_resize_children_id = 0;
1170         priv->current_zoom = 1.0;
1171
1172         priv->hadj = NULL;
1173         priv->vadj = NULL;
1174         priv->shadow_type = GTK_SHADOW_IN;
1175         priv->view_window = NULL;
1176         priv->headers_window = NULL;
1177         priv->html_window = NULL;
1178
1179         priv->idle_motion_id = 0;
1180
1181         gtk_widget_push_composite_child ();
1182         priv->html_scroll = gtk_scrolled_window_new (NULL, NULL);
1183         gtk_widget_set_composite_name (priv->html_scroll, "contents");
1184         gtk_widget_pop_composite_child ();
1185         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->html_scroll), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
1186
1187         priv->msg                     = NULL;
1188
1189         priv->body_view                 = GTK_WIDGET (g_object_new (MODEST_TYPE_GTKHTML_MIME_PART_VIEW, NULL));
1190 #ifdef MODEST_TOOLKIT_HILDON2
1191         priv->mail_header_view        = GTK_WIDGET(modest_compact_mail_header_view_new ());
1192 #else
1193         priv->mail_header_view        = GTK_WIDGET(modest_expander_mail_header_view_new (TRUE));
1194 #endif
1195         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1196         priv->attachments_view        = GTK_WIDGET(modest_attachments_view_new (NULL));
1197 #ifdef MODEST_TOOLKIT_HILDON2
1198         modest_attachments_view_set_style (MODEST_ATTACHMENTS_VIEW (priv->attachments_view),
1199                                            MODEST_ATTACHMENTS_VIEW_STYLE_LINKS);
1200 #else
1201         modest_attachments_view_set_style (MODEST_ATTACHMENTS_VIEW (priv->attachments_view),
1202                                            MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE);
1203 #endif
1204
1205         g_signal_connect (G_OBJECT(priv->body_view), "activate_link",
1206                                        G_CALLBACK(on_activate_link), obj);
1207         g_signal_connect (G_OBJECT(priv->body_view), "fetch_url",
1208                                        G_CALLBACK(on_fetch_url), obj);
1209         g_signal_connect (G_OBJECT(priv->body_view), "link_hover",
1210                                        G_CALLBACK(on_link_hover), obj);
1211         g_signal_connect (G_OBJECT(priv->body_view), "limit_error",
1212                           G_CALLBACK(on_limit_error), obj);
1213 #ifdef MAEMO_CHANGES
1214         g_signal_connect (G_OBJECT(priv->body_view), "motion-notify-event",
1215                           G_CALLBACK (motion_notify_event), obj);
1216 #endif
1217         g_signal_connect (G_OBJECT (priv->body_view), "button-press-event",
1218                           G_CALLBACK (button_press_event), obj);
1219         g_signal_connect (G_OBJECT (priv->body_view), "button-release-event",
1220                           G_CALLBACK (button_release_event), obj);
1221
1222         g_signal_connect (G_OBJECT (priv->mail_header_view), "recpt-activated",
1223                           G_CALLBACK (on_recpt_activated), obj);
1224         g_signal_connect (G_OBJECT (priv->mail_header_view), "show-details",
1225                           G_CALLBACK (on_show_details), obj);
1226
1227         g_signal_connect (G_OBJECT (priv->attachments_view), "activate",
1228                           G_CALLBACK (on_attachment_activated), obj);
1229
1230         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
1231
1232         g_signal_connect (G_OBJECT (html_vadj), "changed",
1233                           G_CALLBACK (html_adjustment_changed), obj);
1234
1235         gtk_widget_push_composite_child ();
1236         priv->headers_box = gtk_vbox_new (FALSE, MODEST_MARGIN_DEFAULT);
1237         gtk_widget_set_composite_name (priv->headers_box, "headers");
1238         gtk_widget_pop_composite_child ();
1239
1240         if (priv->mail_header_view)
1241                 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->mail_header_view, FALSE, FALSE, 0);
1242
1243 #ifdef MODEST_TOOLKIT_HILDON2
1244         priv->priority_icon = gtk_image_new ();
1245         gtk_misc_set_alignment (GTK_MISC (priv->priority_icon), 0.0, 0.5);
1246         if (priv->priority_icon) {
1247                 priv->priority_box = (GtkWidget *)
1248                         modest_mail_header_view_add_custom_header (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view),
1249                                                                    _("mcen_me_editor_message_priority"),
1250                                                                    priv->priority_icon,
1251                                                                    FALSE, FALSE);
1252
1253                 gtk_widget_hide_all (priv->priority_box);
1254         }
1255         priv->calendar_actions_box = NULL;
1256         priv->calendar_icon = gtk_image_new ();
1257         gtk_image_set_from_icon_name (GTK_IMAGE (priv->calendar_icon), MODEST_HEADER_ICON_CALENDAR, GTK_ICON_SIZE_MENU);
1258         gtk_misc_set_alignment (GTK_MISC (priv->calendar_icon), 0.0, 0.5);
1259         if (priv->calendar_icon) {
1260                 priv->calendar_box = (GtkWidget *)
1261                         modest_mail_header_view_add_custom_header (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view),
1262                                                                    _("mail_fi_invitation"),
1263                                                                    priv->calendar_icon,
1264                                                                    FALSE, FALSE);
1265
1266                 gtk_widget_hide_all (priv->calendar_box);
1267         }
1268 #endif
1269         if (priv->attachments_view) {
1270 #ifndef MODEST_TOOLKIT_HILDON2
1271                 gchar *att_label = g_strconcat (_("mcen_me_viewer_attachments"), ":", NULL);
1272 #else
1273                 gchar *att_label = g_strconcat (_("mail_va_attachment"), ":", NULL);
1274 #endif
1275
1276                 priv->attachments_box = (GtkWidget *)
1277                         modest_mail_header_view_add_custom_header (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view),
1278                                                                    att_label,
1279                                                                    priv->attachments_view,
1280                                                                    FALSE, FALSE);
1281                 gtk_widget_hide_all (priv->attachments_box);
1282                 g_free (att_label);
1283         }
1284
1285         priv->calendar_actions_container = gtk_vbox_new (FALSE, 0);
1286         gtk_box_pack_start (GTK_BOX (priv->headers_box), priv->calendar_actions_container, FALSE, FALSE, 0);
1287         gtk_widget_hide (priv->calendar_actions_container);
1288         gtk_widget_hide_all (priv->calendar_actions_container);
1289         gtk_widget_set_no_show_all (priv->calendar_actions_container, TRUE);
1290
1291 #ifndef MODEST_TOOLKIT_HILDON2
1292         separator = gtk_hseparator_new ();
1293         gtk_box_pack_start (GTK_BOX(priv->headers_box), separator, FALSE, FALSE, 0);
1294 #endif
1295
1296         gtk_widget_set_parent (priv->headers_box, GTK_WIDGET (obj));
1297
1298         if (priv->body_view) {
1299                 gtk_container_add (GTK_CONTAINER (priv->html_scroll), priv->body_view);
1300                 gtk_widget_set_parent (priv->html_scroll, GTK_WIDGET(obj));
1301 #ifdef MAEMO_CHANGES
1302                 gtk_widget_tap_and_hold_setup (GTK_WIDGET (priv->body_view), NULL, NULL, 0);
1303                 g_signal_connect (G_OBJECT (priv->body_view), "tap-and-hold", G_CALLBACK (on_tap_and_hold), obj);
1304                 g_signal_connect (G_OBJECT (priv->body_view), "tap-and-hold-query", G_CALLBACK (on_tap_and_hold_query), obj);
1305 #endif
1306         }
1307
1308 }
1309
1310
1311 static void
1312 modest_gtkhtml_msg_view_finalize (GObject *obj)
1313 {
1314         ModestGtkhtmlMsgViewPrivate *priv;
1315         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (obj);
1316
1317         if (priv->msg) {
1318                 g_object_unref (G_OBJECT(priv->msg));
1319                 priv->msg = NULL;
1320         }
1321
1322         if (priv->idle_resize_children_id > 0) {
1323                 g_source_remove (priv->idle_resize_children_id);
1324                 priv->idle_resize_children_id = 0;
1325         }
1326
1327         if (priv->idle_readjust_scroll_id > 0) {
1328                 g_source_remove (priv->idle_readjust_scroll_id);
1329                 priv->idle_readjust_scroll_id = 0;
1330         }
1331
1332         if (priv->idle_motion_id > 0) {
1333                 g_source_remove (priv->idle_motion_id);
1334                 priv->idle_motion_id = 0;
1335         }
1336
1337         /* we cannot disconnect sigs, because priv->body_view is
1338          * already dead */
1339
1340         disconnect_vadjustment (MODEST_GTKHTML_MSG_VIEW(obj));
1341         disconnect_hadjustment (MODEST_GTKHTML_MSG_VIEW(obj));
1342
1343         priv->body_view = NULL;
1344         priv->attachments_view = NULL;
1345
1346         G_OBJECT_CLASS(parent_class)->finalize (obj);
1347 }
1348
1349 static void
1350 modest_gtkhtml_msg_view_destroy (GtkObject *obj)
1351 {
1352         disconnect_vadjustment (MODEST_GTKHTML_MSG_VIEW(obj));
1353         disconnect_hadjustment (MODEST_GTKHTML_MSG_VIEW(obj));
1354
1355         GTK_OBJECT_CLASS(parent_class)->destroy (obj);
1356 }
1357
1358 /* INTERNAL METHODS */
1359
1360 #ifdef MAEMO_CHANGES
1361 static gboolean
1362 motion_notify_event (GtkWidget *widget,
1363                      GdkEventMotion *event,
1364                      gpointer userdata)
1365 {
1366         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (userdata);
1367
1368         /* Use panning information in gtkhtml widget to support also vertical panning */
1369
1370         if (GTK_HTML (widget)->panning) {
1371                 gint y, dy;
1372                 gdouble value;
1373
1374                 gdk_window_get_pointer (GTK_LAYOUT (widget)->bin_window, NULL, &y, NULL);
1375                 dy = y - GTK_HTML (widget)->lasty;
1376                 value = priv->vadj->value - (gdouble) dy;
1377
1378                 if (value < priv->vadj->lower)
1379                         value = priv->vadj->lower;
1380                 else if (value > priv->vadj->upper - priv->vadj->page_size)
1381                         value = priv->vadj->upper - priv->vadj->page_size;
1382                 gtk_adjustment_set_value (priv->vadj, value);
1383
1384         }
1385         return FALSE;
1386 }
1387 #endif
1388
1389 static gboolean
1390 idle_motion (gpointer userdata)
1391 {
1392         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (userdata);
1393         if (GTK_HTML (priv->body_view)->in_selection_drag) {
1394                 gdouble offset;
1395                 GtkAdjustment *adj;
1396                 gint gdk_y;
1397                 gdk_window_get_pointer (gtk_widget_get_parent_window (priv->body_view), NULL, &gdk_y, NULL);
1398                 offset= (gdouble) (priv->headers_box->requisition.height + gdk_y);
1399                 adj = GTK_ADJUSTMENT (priv->vadj);
1400                 if (offset < adj->value + adj->step_increment) {
1401                         gtk_adjustment_set_value (adj, MAX (offset + adj->page_increment - adj->page_size, 0.0));
1402                 } else if (offset > adj->value + adj->page_increment) {
1403                         gtk_adjustment_set_value (adj, MIN (offset - adj->page_increment, adj->upper - adj->page_size));
1404                 }
1405                 gtk_widget_queue_resize (userdata);
1406         }
1407         return TRUE;
1408 }
1409
1410 static gboolean
1411 button_press_event (GtkWidget *widget,
1412                     GdkEventButton *event,
1413                     gpointer userdata)
1414 {
1415         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (userdata);
1416
1417         if (priv->idle_motion_id == 0) {
1418                 priv->idle_motion_id = g_timeout_add (200, idle_motion, userdata);
1419         }
1420         return FALSE;
1421 }
1422
1423 static gboolean
1424 button_release_event (GtkWidget *widget,
1425                       GdkEventButton *event,
1426                       gpointer userdata)
1427 {
1428         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (userdata);
1429
1430         if (priv->idle_motion_id > 0) {
1431                 gint gdk_y;
1432                 g_source_remove (priv->idle_motion_id);
1433
1434                 priv->idle_motion_id = 0;;
1435                 gdk_window_get_pointer (gtk_widget_get_parent_window (priv->body_view), NULL, &gdk_y, NULL);
1436                 event->y = (gdouble) gdk_y;
1437         }
1438         return FALSE;
1439 }
1440
1441 static GtkAdjustment *
1442 get_vadjustment (ModestGtkhtmlMsgView *self)
1443 {
1444         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1445
1446         if (!priv->vadj)
1447                 set_vadjustment (self, NULL);
1448
1449         return priv->vadj;
1450
1451 }
1452
1453 static GtkAdjustment *
1454 get_hadjustment (ModestGtkhtmlMsgView *self)
1455 {
1456         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1457
1458         if (!priv->hadj)
1459                 set_hadjustment (self, NULL);
1460
1461         return priv->hadj;
1462
1463 }
1464
1465 static void
1466 set_hadjustment (ModestGtkhtmlMsgView *self, GtkAdjustment *hadj)
1467 {
1468         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1469         gboolean value_changed;
1470
1471         if (hadj && hadj == priv->hadj)
1472                 return;
1473
1474         if (!hadj)
1475                 hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0));
1476         disconnect_hadjustment (self);
1477         g_object_ref (G_OBJECT (hadj));
1478         gtk_object_sink (GTK_OBJECT (hadj));
1479         priv->hadj = hadj;
1480         set_hadjustment_values (self, &value_changed);
1481
1482         g_signal_connect (hadj, "value_changed", G_CALLBACK (adjustment_value_changed),
1483                           self);
1484
1485         gtk_adjustment_changed (hadj);
1486         if (value_changed)
1487                 gtk_adjustment_value_changed (hadj);
1488         else
1489                 adjustment_value_changed (hadj, self);
1490
1491         g_object_notify (G_OBJECT (self), "hadjustment");
1492 }
1493
1494 static void
1495 set_vadjustment (ModestGtkhtmlMsgView *self, GtkAdjustment *vadj)
1496 {
1497         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1498         gboolean value_changed;
1499
1500         if (vadj && vadj == priv->vadj)
1501                 return;
1502
1503         if (!vadj)
1504                 vadj = (GtkAdjustment *) gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0);
1505         disconnect_vadjustment (self);
1506         g_object_ref (G_OBJECT (vadj));
1507         gtk_object_sink (GTK_OBJECT (vadj));
1508         priv->vadj = vadj;
1509         set_vadjustment_values (self, &value_changed);
1510
1511         g_signal_connect (vadj, "value_changed", G_CALLBACK (adjustment_value_changed),
1512                           self);
1513
1514         gtk_adjustment_changed (vadj);
1515         if (value_changed)
1516                 gtk_adjustment_value_changed (vadj);
1517         else
1518                 adjustment_value_changed (vadj, self);
1519
1520         g_object_notify (G_OBJECT (self), "vadjustment");
1521 }
1522
1523 static void
1524 set_shadow_type (ModestGtkhtmlMsgView *self,
1525                  GtkShadowType shadow_type)
1526 {
1527         ModestGtkhtmlMsgViewPrivate *priv;
1528         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
1529
1530         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1531
1532         if (priv->shadow_type != shadow_type) {
1533                 priv->shadow_type = shadow_type;
1534
1535                 if (GTK_WIDGET_VISIBLE (self)) {
1536                         gtk_widget_size_allocate (GTK_WIDGET (self), &(GTK_WIDGET (self)->allocation));
1537                         gtk_widget_queue_draw (GTK_WIDGET (self));
1538                 }
1539                 g_object_notify (G_OBJECT (self), "shadow-type");
1540         }
1541 }
1542
1543 static GtkShadowType
1544 get_shadow_type (ModestGtkhtmlMsgView *self)
1545 {
1546         ModestGtkhtmlMsgViewPrivate *priv;
1547         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), GTK_SHADOW_NONE);
1548         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1549
1550         return priv->shadow_type;
1551 }
1552
1553 GtkWidget*
1554 modest_msg_view_new (TnyMsg *msg)
1555 {
1556         GObject *obj;
1557         ModestGtkhtmlMsgView* self;
1558
1559         obj  = G_OBJECT(g_object_new(MODEST_TYPE_GTKHTML_MSG_VIEW, NULL));
1560         self = MODEST_GTKHTML_MSG_VIEW(obj);
1561         tny_msg_view_set_msg (TNY_MSG_VIEW (self), msg);
1562
1563         return GTK_WIDGET(self);
1564 }
1565
1566 #ifdef MAEMO_CHANGES
1567 static void
1568 on_tap_and_hold (GtkWidget *widget,
1569                  gpointer data)
1570 {
1571         ModestGtkhtmlMsgView *self = (ModestGtkhtmlMsgView *) data;
1572         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1573
1574         g_signal_emit_by_name (G_OBJECT (self), "link-contextual", priv->last_url);
1575 }
1576
1577 static gboolean
1578 on_tap_and_hold_query (GtkWidget *widget,
1579                        GdkEvent *event,
1580                        gpointer data)
1581 {
1582         ModestGtkhtmlMsgView *self = (ModestGtkhtmlMsgView *) data;
1583         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1584
1585         /* Don't show the tap and hold animation if no url below */
1586         return (priv->last_url == NULL);
1587 }
1588 #endif
1589
1590 static void
1591 on_recpt_activated (ModestMailHeaderView *header_view,
1592                     const gchar *address,
1593                     ModestGtkhtmlMsgView *self)
1594 {
1595         g_signal_emit_by_name (G_OBJECT (self), "recpt-activated", address);
1596 }
1597
1598 static void
1599 on_show_details (ModestMailHeaderView *header_view,
1600                  ModestGtkhtmlMsgView *self)
1601 {
1602         g_signal_emit_by_name (G_OBJECT (self), "show-details");
1603 }
1604
1605 static void
1606 on_attachment_activated (ModestAttachmentsView * att_view, TnyMimePart *mime_part, gpointer self)
1607 {
1608
1609         g_signal_emit_by_name (G_OBJECT(self), "attachment_clicked", mime_part);
1610 }
1611
1612 static void
1613 request_fetch_images (ModestGtkhtmlMsgView *self)
1614 {
1615         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1616         TnyMimePart *part;
1617
1618         /* The message could have not been downloaded yet */
1619         if (priv->msg) {
1620                 modest_mime_part_view_set_view_images (MODEST_MIME_PART_VIEW (priv->body_view), TRUE);
1621                 priv->has_blocked_bs_images = FALSE;
1622                 part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (priv->body_view));
1623                 if (part) {
1624                         tny_mime_part_view_set_part (TNY_MIME_PART_VIEW (priv->body_view), part);
1625                         g_object_unref (part);
1626                 }
1627                 tny_msg_set_allow_external_images (TNY_MSG (priv->msg), TRUE);
1628         }
1629 }
1630
1631 static void
1632 set_branding (ModestGtkhtmlMsgView *self, const gchar *brand_name, const GdkPixbuf *brand_icon)
1633 {
1634         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1635
1636         modest_mail_header_view_set_branding (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view), brand_name, brand_icon);
1637 }
1638
1639 static gboolean
1640 has_blocked_external_images (ModestGtkhtmlMsgView *self)
1641 {
1642         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1643
1644         return ((modest_mime_part_view_has_external_images (MODEST_MIME_PART_VIEW (priv->body_view)) ||
1645                  (priv->has_blocked_bs_images)) &&
1646                 !modest_mime_part_view_get_view_images (MODEST_MIME_PART_VIEW (priv->body_view)));
1647 }
1648
1649 static gboolean
1650 on_activate_link (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMsgView *self)
1651 {
1652         gboolean result;
1653         g_return_val_if_fail (self, FALSE);
1654
1655         g_signal_emit_by_name (G_OBJECT(self), "activate-link", uri, &result);
1656
1657         return result;
1658 }
1659
1660
1661 static gboolean
1662 on_link_hover (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMsgView *self)
1663 {
1664         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1665         gboolean result;
1666
1667         g_free (priv->last_url);
1668         priv->last_url = g_strdup (uri);
1669
1670         g_signal_emit_by_name (G_OBJECT(self), "link-hover", uri, &result);
1671
1672         return result;
1673 }
1674
1675 static void
1676 on_limit_error (GtkWidget *widget, ModestGtkhtmlMsgView *msg_view)
1677 {
1678         g_signal_emit_by_name (G_OBJECT (msg_view), "limit-error");
1679 }
1680
1681 static gboolean
1682 part_cids_equal (const gchar *part_cid1,
1683                  const gchar *part_cid2)
1684 {
1685         if (g_strcmp0 (part_cid1, part_cid2) == 0)
1686                 return TRUE;
1687
1688         if (part_cid2 && part_cid2[0] == '<') {
1689                 const gchar *end;
1690                 end = g_strrstr_len (part_cid2, -1, ">");
1691
1692                 if (end && strncmp (part_cid2 + 1, part_cid1, end - part_cid2 - 1) == 0)
1693                         return TRUE;
1694         }
1695         return FALSE;
1696 }
1697
1698 static TnyMimePart *
1699 find_cid_image (TnyMsg *msg, const gchar *cid)
1700 {
1701         TnyMimePart *part = NULL;
1702         TnyList *parts;
1703         TnyIterator *iter;
1704
1705         g_return_val_if_fail (msg, NULL);
1706         g_return_val_if_fail (cid, NULL);
1707
1708         parts  = TNY_LIST (tny_simple_list_new());
1709
1710         tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
1711         iter   = tny_list_create_iterator (parts);
1712
1713         while (!tny_iterator_is_done(iter)) {
1714                 const gchar *part_cid;
1715
1716                 part = TNY_MIME_PART(tny_iterator_get_current(iter));
1717                 part_cid = tny_mime_part_get_content_id (part);
1718
1719                 /* if there is no content id, try the content location;
1720                  * this is what Outlook seems to use when it converts
1721                  * it's internal richtext to html
1722                  */
1723                 if (!part_cid)
1724                         part_cid = tny_mime_part_get_content_location (part);
1725
1726                 if (part_cids_equal (cid, part_cid))
1727                         break;
1728
1729                 if (tny_mime_part_content_type_is (part, "multipart/related")) {
1730                         TnyList *related_parts = TNY_LIST (tny_simple_list_new ());
1731                         TnyIterator *related_iter = NULL;
1732                         TnyMimePart *related_part = NULL;
1733
1734                         tny_mime_part_get_parts (part, related_parts);
1735                         related_iter = tny_list_create_iterator (related_parts);
1736
1737                         while (!tny_iterator_is_done (related_iter)) {
1738                                 related_part = TNY_MIME_PART (tny_iterator_get_current (related_iter));
1739                                 part_cid = tny_mime_part_get_content_id (related_part);
1740
1741                                 if (part_cids_equal (cid, part_cid))
1742                                         break;
1743
1744                                 g_object_unref (related_part);
1745                                 related_part = NULL;
1746                                 tny_iterator_next (related_iter);
1747                         }
1748
1749                         g_object_unref (related_iter);
1750                         g_object_unref (related_parts);
1751                         if (related_part != NULL) {
1752                                 g_object_unref (part);
1753                                 part = related_part;
1754                                 break;
1755                         }
1756                 }
1757
1758                 g_object_unref (G_OBJECT(part));
1759
1760                 part = NULL;
1761                 tny_iterator_next (iter);
1762         }
1763
1764         g_object_unref (G_OBJECT(iter));
1765         g_object_unref (G_OBJECT(parts));
1766
1767         return part;
1768 }
1769
1770 static void
1771 fetch_url_decode_to_stream_cb (TnyMimePart *self, gboolean cancelled, TnyStream *stream, GError *err, gpointer user_data)
1772 {
1773         tny_stream_close (stream);
1774 }
1775
1776 static gboolean
1777 on_fetch_url (GtkWidget *widget, const gchar *uri,
1778               TnyStream *stream, ModestGtkhtmlMsgView *self)
1779 {
1780         ModestGtkhtmlMsgViewPrivate *priv;
1781         const gchar* my_uri;
1782         TnyMimePart *part = NULL;
1783
1784
1785
1786         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1787
1788         /*
1789          * we search for either something starting with cid:, or something
1790          * with no prefix at all; this latter case occurs when sending mails
1791          * with MS Outlook in rich-text mode, and 'attach-as-object
1792          */
1793         if (g_str_has_prefix (uri, "cid:"))
1794                 my_uri = uri + 4;  /* +4 ==> skip "cid:" */
1795         else
1796                 my_uri = uri;
1797
1798         /* now try to find the embedded image */
1799         part = find_cid_image (priv->msg, my_uri);
1800
1801         if (!part) {
1802                 if (g_str_has_prefix (uri, "http:")) {
1803                         if (modest_mime_part_view_get_view_images (MODEST_MIME_PART_VIEW (priv->body_view))) {
1804                                 gboolean result = FALSE;
1805                                 g_signal_emit_by_name (self, "fetch-image", uri, stream, &result);
1806                                 return result;
1807                         } else {
1808                                 /* we return immediately to get a "image not found" icon */
1809                                 tny_stream_close (stream);
1810                                 return TRUE;
1811                         }
1812                 } else {
1813                         return FALSE;
1814                 }
1815         } else if (TNY_IS_CAMEL_BS_MIME_PART (part) &&
1816                    !tny_camel_bs_mime_part_is_fetched (TNY_CAMEL_BS_MIME_PART (part))){
1817           if (!modest_mime_part_view_get_view_images (MODEST_MIME_PART_VIEW (priv->body_view)) ||
1818               !tny_device_is_online (modest_runtime_get_device ())) {
1819                         priv->has_blocked_bs_images = TRUE;
1820                         tny_stream_close (stream);
1821                         return TRUE;
1822                 }
1823         }
1824
1825         tny_mime_part_decode_to_stream_async ((TnyMimePart*)part, stream, fetch_url_decode_to_stream_cb, NULL, NULL);
1826         g_object_unref (G_OBJECT(part));
1827         return TRUE;
1828 }
1829
1830 static void
1831 set_message (ModestGtkhtmlMsgView *self, TnyMsg *msg, TnyMimePart *other_body)
1832 {
1833         TnyMimePart *body;
1834         ModestGtkhtmlMsgViewPrivate *priv;
1835         TnyHeader *header;
1836         GtkAdjustment *html_vadj, *html_hadj;
1837
1838         g_return_if_fail (self);
1839
1840         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(self);
1841         priv->has_blocked_bs_images = FALSE;
1842         modest_mail_header_view_set_loading (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view), FALSE);
1843         gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
1844         modest_mime_part_view_set_view_images (MODEST_MIME_PART_VIEW (priv->body_view), FALSE);
1845
1846         if (msg != priv->msg) {
1847                 if (priv->msg)
1848                         g_object_unref (G_OBJECT(priv->msg));
1849                 if (msg)
1850                         g_object_ref   (G_OBJECT(msg));
1851                 priv->msg = msg;
1852         }
1853
1854         if (!msg) {
1855                 tny_header_view_clear (TNY_HEADER_VIEW (priv->mail_header_view));
1856                 modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW (priv->attachments_view), NULL);
1857                 gtk_widget_hide_all (priv->mail_header_view);
1858                 gtk_widget_hide_all (priv->attachments_box);
1859 #ifdef MODEST_TOOKIT_HILDON2
1860                 gtk_widget_hide_all (priv->priority_box);
1861                 gtk_widget_hide_all (priv->calendar_box);
1862 #endif
1863                 gtk_widget_hide (priv->calendar_actions_container);
1864                 gtk_widget_hide_all (priv->calendar_actions_container);
1865                 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1866                 tny_mime_part_view_clear (TNY_MIME_PART_VIEW (priv->body_view));
1867
1868                 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1869                 html_vadj->upper = 0;
1870                 html_vadj->page_size = 0;
1871                 g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
1872
1873                 html_hadj = gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1874                 html_hadj->upper = 0;
1875                 html_hadj->page_size = 0;
1876                 g_signal_emit_by_name (G_OBJECT (html_hadj), "changed");
1877
1878                 gtk_widget_set_size_request (GTK_WIDGET (priv->body_view), 1, 1);
1879                 gtk_widget_set_size_request (GTK_WIDGET (priv->body_view), -1, -1);
1880
1881                 priv->idle_changes_count = 0;
1882                 gtk_widget_queue_resize (GTK_WIDGET (priv->body_view));
1883
1884                 gtk_widget_queue_resize (GTK_WIDGET(self));
1885                 gtk_widget_queue_draw (GTK_WIDGET(self));
1886                 return;
1887         }
1888
1889         header = tny_msg_get_header (msg);
1890         tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
1891         g_object_unref (header);
1892
1893         modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW (priv->attachments_view),
1894                                              other_body?NULL:msg);
1895
1896         modest_mime_part_view_set_view_images (MODEST_MIME_PART_VIEW (priv->body_view), tny_msg_get_allow_external_images (msg));
1897
1898         if (other_body) {
1899                 body = other_body;
1900                 g_object_ref (body);
1901         } else {
1902                 body = modest_tny_msg_find_body_part (msg, TRUE);
1903         }
1904         if (body) {
1905                 ModestAttachmentsView *widget;
1906
1907                 tny_mime_part_view_set_part (TNY_MIME_PART_VIEW (priv->body_view), body);
1908                 g_object_unref (body);
1909                 widget = MODEST_ATTACHMENTS_VIEW (priv->attachments_view);
1910
1911                 if (modest_attachments_view_has_attachments (widget)) {
1912                         GtkLabel *label;
1913                         GList *children = NULL;
1914                         gchar *text = NULL;
1915                         /* Ugly but... */
1916                         children = gtk_container_get_children (GTK_CONTAINER (priv->attachments_box));
1917                         label = GTK_LABEL (children->data);
1918                         gtk_widget_show_all (priv->attachments_box);
1919 #ifdef MODEST_TOOLKIT_HILDON2
1920                         if (modest_attachments_view_get_num_attachments (widget) > 1) {
1921                                 text = _("mail_va_attachments");
1922                         } else {
1923                                 text = _("mail_va_attachment");
1924                         }
1925 #else
1926                                 text = _("mail_va_attachment");
1927 #endif
1928                         gtk_label_set_text (label, text);
1929                 } else {
1930                         gtk_widget_hide_all (priv->attachments_box);
1931                 }
1932
1933         } else {
1934                 tny_mime_part_view_clear (TNY_MIME_PART_VIEW (priv->body_view));
1935         }
1936
1937         /* Refresh priority */
1938         set_priority (self, tny_header_get_flags (header));
1939         set_calendar (self, header, msg);
1940
1941         gtk_widget_show (priv->body_view);
1942 #ifdef MODEST_TOOLKIT_HILDON2
1943         gtk_widget_set_no_show_all (priv->priority_box, TRUE);
1944         gtk_widget_set_no_show_all (priv->calendar_box, TRUE);
1945 #endif
1946         gtk_widget_set_no_show_all (priv->calendar_actions_container, TRUE);
1947         gtk_widget_set_no_show_all (priv->attachments_box, TRUE);
1948         gtk_widget_show_all (priv->mail_header_view);
1949         gtk_widget_set_no_show_all (priv->attachments_box, FALSE);
1950 #ifdef MODEST_TOOLKIT_HILDON2
1951         gtk_widget_set_no_show_all (priv->priority_box, FALSE);
1952         gtk_widget_set_no_show_all (priv->calendar_box, FALSE);
1953 #endif
1954         gtk_widget_set_no_show_all (priv->calendar_actions_container, FALSE);
1955         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1956
1957         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1958         html_vadj->upper = 0;
1959         html_vadj->page_size = 0;
1960         g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
1961
1962         html_hadj = gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1963         html_hadj->upper = 0;
1964         html_hadj->page_size = 0;
1965         g_signal_emit_by_name (G_OBJECT (html_hadj), "changed");
1966
1967         gtk_widget_set_size_request (GTK_WIDGET (priv->body_view), 1, 1);
1968         gtk_widget_set_size_request (GTK_WIDGET (priv->body_view), -1, -1);
1969
1970         priv->idle_changes_count = 0;
1971         gtk_widget_queue_resize (GTK_WIDGET (priv->body_view));
1972
1973         gtk_widget_queue_resize (GTK_WIDGET(self));
1974         gtk_widget_queue_draw (GTK_WIDGET(self));
1975
1976         if (priv->hadj != NULL)
1977                 priv->hadj->value = 0.0;
1978         if (priv->vadj != NULL)
1979                 priv->vadj->value = 0.0;
1980
1981         g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
1982
1983         /* This is a hack to force reallocation of scroll after drawing all the stuff. This
1984          * makes the html view get the proper and expected size and prevent being able to scroll
1985          * the buffer when it shouldn't be scrollable */
1986         if (priv->idle_readjust_scroll_id == 0) {
1987                 g_object_ref (self);
1988                 priv->idle_readjust_scroll_id = g_idle_add ((GSourceFunc) idle_readjust_scroll, self);
1989         }
1990 }
1991
1992 static void
1993 set_header (ModestGtkhtmlMsgView *self, TnyHeader *header)
1994 {
1995         ModestGtkhtmlMsgViewPrivate *priv;
1996         GtkAdjustment *html_vadj, *html_hadj;
1997
1998         g_return_if_fail (self);
1999
2000         if (header == NULL) {
2001                 set_message (self, NULL, NULL);
2002                 return;
2003         }
2004
2005         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(self);
2006         priv->has_blocked_bs_images = FALSE;
2007         modest_mail_header_view_set_loading (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view), TRUE);
2008         gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
2009         modest_mime_part_view_set_view_images (MODEST_MIME_PART_VIEW (priv->body_view), FALSE);
2010
2011         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
2012         html_vadj->upper = 0;
2013         html_vadj->page_size = 0;
2014         g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
2015
2016         html_hadj = gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
2017         html_hadj->upper = 0;
2018         html_hadj->page_size = 0;
2019         g_signal_emit_by_name (G_OBJECT (html_hadj), "changed");
2020
2021         priv->idle_changes_count = 0;
2022         gtk_widget_set_size_request (GTK_WIDGET (priv->body_view), 1, 1);
2023         gtk_widget_set_size_request (GTK_WIDGET (priv->body_view), -1, -1);
2024         gtk_widget_queue_resize (GTK_WIDGET (priv->body_view));
2025
2026         if (priv->msg) {
2027                 g_object_unref (G_OBJECT(priv->msg));
2028         }
2029         priv->msg = NULL;
2030
2031         tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
2032         modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW (priv->attachments_view), NULL);
2033         gtk_widget_show_all (priv->mail_header_view);
2034         gtk_widget_hide_all (priv->attachments_box);
2035 #ifdef MODEST_TOOLKIT_HILDON2
2036         gtk_widget_hide_all (priv->priority_box);
2037         gtk_widget_hide_all (priv->calendar_box);
2038 #endif
2039         gtk_widget_hide (priv->calendar_actions_container);
2040         gtk_widget_hide_all (priv->calendar_actions_container);
2041         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
2042         tny_mime_part_view_clear (TNY_MIME_PART_VIEW (priv->body_view));
2043         priv->idle_changes_count = 0;
2044         gtk_widget_queue_resize (GTK_WIDGET(self));
2045         gtk_widget_queue_draw (GTK_WIDGET(self));
2046 }
2047
2048
2049 static TnyMsg*
2050 get_message (ModestGtkhtmlMsgView *self)
2051 {
2052         TnyMsg *msg;
2053
2054         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), NULL);
2055
2056         msg = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(self)->msg;
2057
2058         if (msg)
2059                 g_object_ref (msg);
2060
2061         return msg;
2062 }
2063
2064 static gboolean
2065 is_empty (ModestGtkhtmlMsgView *self)
2066 {
2067         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2068
2069         return modest_mime_part_view_is_empty (MODEST_MIME_PART_VIEW (priv->body_view));
2070 }
2071
2072 static void
2073 set_zoom (ModestGtkhtmlMsgView *self, gdouble zoom)
2074 {
2075         ModestGtkhtmlMsgViewPrivate *priv;
2076         GtkAdjustment *html_vadj, *html_hadj;
2077
2078         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
2079         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2080
2081         modest_zoomable_set_zoom (MODEST_ZOOMABLE(priv->body_view), zoom);
2082
2083         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
2084         html_vadj->upper = 0;
2085         html_vadj->page_size = 0;
2086         g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
2087
2088         html_hadj = gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
2089         html_hadj->upper = 0;
2090         html_hadj->page_size = 0;
2091         g_signal_emit_by_name (G_OBJECT (html_hadj), "changed");
2092
2093         gtk_widget_set_size_request (GTK_WIDGET (priv->body_view), 1, 1);
2094         gtk_widget_set_size_request (GTK_WIDGET (priv->body_view), -1, -1);
2095
2096         priv->idle_changes_count = 0;
2097         gtk_widget_queue_resize (priv->body_view);
2098 }
2099
2100 static gdouble
2101 get_zoom (ModestGtkhtmlMsgView *self)
2102 {
2103         ModestGtkhtmlMsgViewPrivate *priv;
2104
2105         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), 1.0);
2106         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2107
2108         return modest_zoomable_get_zoom (MODEST_ZOOMABLE (priv->body_view));
2109 }
2110
2111 static TnyHeaderFlags
2112 get_priority (ModestGtkhtmlMsgView *self)
2113 {
2114         ModestGtkhtmlMsgViewPrivate *priv;
2115
2116         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), 0);
2117
2118         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2119
2120         return modest_mail_header_view_get_priority (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view));
2121 }
2122
2123 static void
2124 set_priority (ModestGtkhtmlMsgView *self, TnyHeaderFlags flags)
2125 {
2126         ModestGtkhtmlMsgViewPrivate *priv;
2127
2128         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
2129         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2130
2131         modest_mail_header_view_set_priority (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view), flags);
2132
2133 #ifdef MODEST_TOOLKIT_HILDON2
2134         gboolean show_priority = FALSE;
2135         TnyHeaderFlags priority_flags;
2136
2137         priority_flags = flags & TNY_HEADER_FLAG_PRIORITY_MASK;
2138         if (priority_flags == TNY_HEADER_FLAG_HIGH_PRIORITY) {
2139                 show_priority = TRUE;
2140                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->priority_icon), MODEST_HEADER_ICON_HIGH, GTK_ICON_SIZE_MENU);
2141         } else if (priority_flags == TNY_HEADER_FLAG_LOW_PRIORITY) {
2142                 show_priority = TRUE;
2143                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->priority_icon), MODEST_HEADER_ICON_LOW, GTK_ICON_SIZE_MENU);
2144         }
2145
2146         if (show_priority && MODEST_IS_COMPACT_MAIL_HEADER_VIEW (priv->mail_header_view)) {
2147                 gtk_widget_show_all  (priv->priority_box);
2148         } else {
2149                 gtk_widget_hide_all (priv->priority_box);
2150         }
2151 #endif
2152
2153 }
2154
2155 /* INCREMENTAL SEARCH IMPLEMENTATION */
2156
2157 static gboolean
2158 search (ModestGtkhtmlMsgView *self, const gchar *search)
2159 {
2160         ModestGtkhtmlMsgViewPrivate *priv;
2161         gboolean result;
2162         GtkAdjustment *vadj, *tmp_vadj;
2163         gdouble y_offset;
2164
2165         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), FALSE);
2166
2167         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2168         vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (priv->body_view));
2169         g_object_ref (vadj);
2170         tmp_vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, vadj->lower, vadj->upper, vadj->step_increment, 32.0, 32.0));
2171         gtk_layout_set_vadjustment (GTK_LAYOUT (priv->body_view), tmp_vadj);
2172         result = modest_isearch_view_search (MODEST_ISEARCH_VIEW (priv->body_view),
2173                                              search);
2174
2175         if (result) {
2176                 gint x, y, w, h;
2177                 gdouble offset_top, offset_bottom;
2178                 GtkAdjustment *adj;
2179                 if (modest_isearch_view_get_selection_area (MODEST_ISEARCH_VIEW (priv->body_view), &x, &y, &w, &h)) {
2180                         offset_top = (gdouble) (priv->headers_box->requisition.height + y);
2181                         offset_bottom = (gdouble) (priv->headers_box->requisition.height + y + h);
2182                         adj = GTK_ADJUSTMENT (priv->vadj);
2183                         if (offset_top < adj->value)
2184                                 gtk_adjustment_set_value (adj, offset_top + adj->page_increment - adj->page_size);
2185                         else if (offset_bottom > adj->value + adj->page_increment)
2186                                 gtk_adjustment_set_value (adj, offset_bottom - adj->page_increment);
2187                 }
2188         }
2189
2190         y_offset = tmp_vadj->value;
2191         gtk_layout_set_vadjustment (GTK_LAYOUT (priv->body_view), vadj);
2192         g_object_unref (vadj);
2193
2194         return result;
2195 }
2196
2197 static gboolean
2198 search_next (ModestGtkhtmlMsgView *self)
2199 {
2200         ModestGtkhtmlMsgViewPrivate *priv;
2201         gboolean result;
2202
2203         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), FALSE);
2204
2205         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2206         result = modest_isearch_view_search_next (MODEST_ISEARCH_VIEW (priv->body_view));
2207
2208         if (result) {
2209                 gint x, y, w, h;
2210                 gdouble offset_top, offset_bottom;
2211                 GtkAdjustment *adj;
2212
2213                 if (modest_isearch_view_get_selection_area (MODEST_ISEARCH_VIEW (priv->body_view), &x, &y, &w, &h)) {
2214                         offset_top = (gdouble) (priv->headers_box->requisition.height + y);
2215                         offset_bottom = (gdouble) (priv->headers_box->requisition.height + y + h);
2216                         adj = GTK_ADJUSTMENT (priv->vadj);
2217                         if (offset_top < adj->value)
2218                                 gtk_adjustment_set_value (adj, offset_top + adj->page_increment - adj->page_size);
2219                         else if (offset_bottom > adj->value + adj->page_increment)
2220                                 gtk_adjustment_set_value (adj, offset_bottom - adj->page_increment);
2221                 }
2222         }
2223         return result;
2224 }
2225
2226 static TnyList *
2227 get_selected_attachments (ModestGtkhtmlMsgView *self)
2228 {
2229         ModestGtkhtmlMsgViewPrivate *priv;
2230
2231         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), NULL);
2232         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2233
2234         return modest_attachments_view_get_selection (MODEST_ATTACHMENTS_VIEW (priv->attachments_view));
2235
2236 }
2237
2238 static TnyList *
2239 get_attachments (ModestGtkhtmlMsgView *self)
2240 {
2241         ModestGtkhtmlMsgViewPrivate *priv;
2242
2243         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), NULL);
2244         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2245
2246         return modest_attachments_view_get_attachments (MODEST_ATTACHMENTS_VIEW (priv->attachments_view));
2247
2248 }
2249
2250 static void
2251 grab_focus (ModestGtkhtmlMsgView *self)
2252 {
2253         ModestGtkhtmlMsgViewPrivate *priv = NULL;
2254
2255         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
2256         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2257
2258         gtk_widget_grab_focus (priv->body_view);
2259 }
2260
2261 static void
2262 remove_attachment (ModestGtkhtmlMsgView *self, TnyMimePart *attachment)
2263 {
2264         ModestGtkhtmlMsgViewPrivate *priv;
2265
2266         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
2267         g_return_if_fail (TNY_IS_MIME_PART (attachment));
2268         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2269
2270         modest_attachments_view_remove_attachment (MODEST_ATTACHMENTS_VIEW (priv->attachments_view),
2271                                                    attachment);
2272
2273 }
2274
2275 /* TNY HEADER VIEW IMPLEMENTATION */
2276
2277 static void
2278 tny_header_view_init (gpointer g, gpointer iface_data)
2279 {
2280         TnyHeaderViewIface *klass = (TnyHeaderViewIface *)g;
2281
2282         klass->set_header = modest_msg_view_set_header;
2283         klass->clear = modest_msg_view_clear_header;
2284
2285         return;
2286 }
2287
2288 static void
2289 modest_msg_view_set_header (TnyHeaderView *self, TnyHeader *header)
2290 {
2291         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_header_func (self, header);
2292 }
2293
2294
2295 static void
2296 modest_msg_view_set_header_default (TnyHeaderView *self, TnyHeader *header)
2297 {
2298         set_header (MODEST_GTKHTML_MSG_VIEW (self), header);
2299 }
2300
2301 static void
2302 modest_msg_view_clear_header (TnyHeaderView *self)
2303 {
2304         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->clear_header_func (self);
2305 }
2306
2307
2308 static void
2309 modest_msg_view_clear_header_default (TnyHeaderView *self)
2310 {
2311         set_message (MODEST_GTKHTML_MSG_VIEW (self), NULL, NULL);
2312 }
2313
2314 /* TNY MSG IMPLEMENTATION */
2315
2316 static void
2317 tny_msg_view_init (gpointer g, gpointer iface_data)
2318 {
2319         TnyMsgViewIface *klass = (TnyMsgViewIface *)g;
2320
2321         klass->get_msg = modest_msg_view_get_msg;
2322         klass->set_msg = modest_msg_view_set_msg;
2323         klass->set_unavailable = modest_msg_view_set_unavailable;
2324         klass->clear = modest_msg_view_clear;
2325         klass->create_mime_part_view_for = modest_msg_view_create_mime_part_view_for;
2326         klass->create_new_inline_viewer = modest_msg_view_create_new_inline_viewer;
2327
2328         return;
2329 }
2330
2331 static TnyMsg *
2332 modest_msg_view_get_msg (TnyMsgView *self)
2333 {
2334         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_msg_func (self);
2335 }
2336
2337 static TnyMsg *
2338 modest_msg_view_get_msg_default (TnyMsgView *self)
2339 {
2340         return TNY_MSG (tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (self)));
2341 }
2342
2343 static void
2344 modest_msg_view_set_msg (TnyMsgView *self, TnyMsg *msg)
2345 {
2346         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_msg_func (self, msg);
2347 }
2348
2349 static void
2350 modest_msg_view_set_msg_default (TnyMsgView *self, TnyMsg *msg)
2351 {
2352
2353         tny_mime_part_view_set_part (TNY_MIME_PART_VIEW (self), TNY_MIME_PART (msg));
2354
2355         return;
2356 }
2357
2358 static void
2359 modest_msg_view_set_unavailable (TnyMsgView *self)
2360 {
2361         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_unavailable_func (self);
2362 }
2363
2364 static void
2365 modest_msg_view_set_unavailable_default (TnyMsgView *self)
2366 {
2367         tny_msg_view_clear (self);
2368
2369         return;
2370 }
2371
2372 static void
2373 modest_msg_view_clear (TnyMsgView *self)
2374 {
2375         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->clear_func (self);
2376 }
2377
2378 static void
2379 modest_msg_view_clear_default (TnyMsgView *self)
2380 {
2381         set_message (MODEST_GTKHTML_MSG_VIEW (self), NULL, NULL);
2382 }
2383
2384 static TnyMimePartView*
2385 modest_msg_view_create_mime_part_view_for (TnyMsgView *self, TnyMimePart *part)
2386 {
2387         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->create_mime_part_view_for_func (self, part);
2388 }
2389
2390 static TnyMimePartView*
2391 modest_msg_view_create_mime_part_view_for_default (TnyMsgView *self, TnyMimePart *part)
2392 {
2393         g_warning ("modest_msg_view_create_mime_part_view_for_default is not implemented");
2394         return NULL;
2395 }
2396
2397 static TnyMsgView*
2398 modest_msg_view_create_new_inline_viewer (TnyMsgView *self)
2399 {
2400         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->create_new_inline_viewer_func (self);
2401 }
2402
2403 static TnyMsgView*
2404 modest_msg_view_create_new_inline_viewer_default (TnyMsgView *self)
2405 {
2406         g_warning ("modest_msg_view_create_new_inline_viewer_default is not implemented");
2407
2408         return NULL;
2409 }
2410
2411 /* TNY MIME PART IMPLEMENTATION */
2412
2413 static void
2414 tny_mime_part_view_init (gpointer g, gpointer iface_data)
2415 {
2416         TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
2417
2418         klass->get_part = modest_msg_view_mp_get_part;
2419         klass->set_part = modest_msg_view_mp_set_part;
2420         klass->clear = modest_msg_view_mp_clear;
2421
2422         return;
2423 }
2424
2425 static TnyMimePart*
2426 modest_msg_view_mp_get_part (TnyMimePartView *self)
2427 {
2428         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_part_func (self);
2429 }
2430
2431
2432 static TnyMimePart*
2433 modest_msg_view_mp_get_part_default (TnyMimePartView *self)
2434 {
2435         return TNY_MIME_PART (get_message (MODEST_GTKHTML_MSG_VIEW (self)));
2436 }
2437
2438 static void
2439 modest_msg_view_mp_set_part (TnyMimePartView *self,
2440                              TnyMimePart *part)
2441 {
2442         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_part_func (self, part);
2443 }
2444
2445 static void
2446 modest_msg_view_mp_set_part_default (TnyMimePartView *self,
2447                                      TnyMimePart *part)
2448 {
2449         g_return_if_fail ((part == NULL) || TNY_IS_MSG (part));
2450
2451         set_message (MODEST_GTKHTML_MSG_VIEW (self), TNY_MSG (part), NULL);
2452 }
2453
2454 static void
2455 modest_msg_view_mp_clear (TnyMimePartView *self)
2456 {
2457         tny_msg_view_clear (TNY_MSG_VIEW (self));
2458 }
2459
2460 /* MODEST MIME PART VIEW IMPLEMENTATION */
2461
2462 static void
2463 modest_mime_part_view_init (gpointer g, gpointer iface_data)
2464 {
2465         ModestMimePartViewIface *klass = (ModestMimePartViewIface *)g;
2466
2467         klass->is_empty_func = modest_msg_view_mp_is_empty;
2468
2469         return;
2470 }
2471
2472 static gboolean
2473 modest_msg_view_mp_is_empty (ModestMimePartView *self)
2474 {
2475         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->is_empty_func (self);
2476 }
2477
2478 static gboolean
2479 modest_msg_view_mp_is_empty_default (ModestMimePartView *self)
2480 {
2481         return is_empty (MODEST_GTKHTML_MSG_VIEW (self));
2482 }
2483
2484 /* MODEST ZOOMABLE IMPLEMENTATION */
2485 static void
2486 modest_zoomable_init (gpointer g, gpointer iface_data)
2487 {
2488         ModestZoomableIface *klass = (ModestZoomableIface *)g;
2489
2490         klass->get_zoom_func = modest_msg_view_get_zoom;
2491         klass->set_zoom_func = modest_msg_view_set_zoom;
2492         klass->zoom_minus_func = modest_msg_view_zoom_minus;
2493         klass->zoom_plus_func = modest_msg_view_zoom_plus;
2494
2495         return;
2496 }
2497
2498 static gdouble
2499 modest_msg_view_get_zoom (ModestZoomable *self)
2500 {
2501         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_zoom_func (self);
2502 }
2503
2504 static gdouble
2505 modest_msg_view_get_zoom_default (ModestZoomable *self)
2506 {
2507         return get_zoom (MODEST_GTKHTML_MSG_VIEW (self));
2508 }
2509
2510 static void
2511 modest_msg_view_set_zoom (ModestZoomable *self, gdouble value)
2512 {
2513         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_zoom_func (self, value);
2514 }
2515
2516 static void
2517 modest_msg_view_set_zoom_default (ModestZoomable *self, gdouble value)
2518 {
2519         set_zoom (MODEST_GTKHTML_MSG_VIEW (self), value);
2520 }
2521
2522 static gboolean
2523 modest_msg_view_zoom_minus (ModestZoomable *self)
2524 {
2525         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->zoom_minus_func (self);
2526 }
2527
2528 static gboolean
2529 modest_msg_view_zoom_minus_default (ModestZoomable *self)
2530 {
2531         /* operation not supported in ModestMsgView */
2532         return FALSE;
2533 }
2534
2535 static gboolean
2536 modest_msg_view_zoom_plus (ModestZoomable *self)
2537 {
2538         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->zoom_plus_func (self);
2539 }
2540
2541 static gboolean
2542 modest_msg_view_zoom_plus_default (ModestZoomable *self)
2543 {
2544         /* operation not supported in ModestMsgView */
2545         return FALSE;
2546 }
2547
2548 /* MODEST ISEARCH VIEW IMPLEMENTATION */
2549 static void
2550 modest_isearch_view_init (gpointer g, gpointer iface_data)
2551 {
2552         ModestISearchViewIface *klass = (ModestISearchViewIface *)g;
2553
2554         klass->search_func = modest_msg_view_search;
2555         klass->search_next_func = modest_msg_view_search_next;
2556
2557         return;
2558 }
2559
2560 static gboolean
2561 modest_msg_view_search (ModestISearchView *self, const gchar *string)
2562 {
2563         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->search_func (self, string);
2564 }
2565
2566 static gboolean
2567 modest_msg_view_search_default (ModestISearchView *self, const gchar *string)
2568 {
2569         return search (MODEST_GTKHTML_MSG_VIEW (self), string);
2570 }
2571
2572 static gboolean
2573 modest_msg_view_search_next (ModestISearchView *self)
2574 {
2575         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->search_next_func (self);
2576 }
2577
2578 static gboolean
2579 modest_msg_view_search_next_default (ModestISearchView *self)
2580 {
2581         return search_next (MODEST_GTKHTML_MSG_VIEW (self));
2582 }
2583
2584 /* MODEST MSG VIEW IMPLEMENTATION */
2585 static void
2586 modest_msg_view_init (gpointer g, gpointer iface_data)
2587 {
2588         ModestMsgViewIface *klass = (ModestMsgViewIface *)g;
2589
2590         klass->set_msg_with_other_body_func = modest_gtkhtml_msg_view_set_msg_with_other_body;
2591         klass->get_vadjustment_func = modest_gtkhtml_msg_view_get_vadjustment;
2592         klass->get_hadjustment_func = modest_gtkhtml_msg_view_get_hadjustment;
2593         klass->set_vadjustment_func = modest_gtkhtml_msg_view_set_vadjustment;
2594         klass->set_hadjustment_func = modest_gtkhtml_msg_view_set_hadjustment;
2595         klass->set_shadow_type_func = modest_gtkhtml_msg_view_set_shadow_type;
2596         klass->get_shadow_type_func = modest_gtkhtml_msg_view_get_shadow_type;
2597         klass->get_priority_func = modest_gtkhtml_msg_view_get_priority;
2598         klass->set_priority_func = modest_gtkhtml_msg_view_set_priority;
2599         klass->get_selected_attachments_func = modest_gtkhtml_msg_view_get_selected_attachments;
2600         klass->get_attachments_func = modest_gtkhtml_msg_view_get_attachments;
2601         klass->grab_focus_func = modest_gtkhtml_msg_view_grab_focus;
2602         klass->remove_attachment_func = modest_gtkhtml_msg_view_remove_attachment;
2603         klass->request_fetch_images_func = modest_gtkhtml_msg_view_request_fetch_images;
2604         klass->set_branding_func = modest_gtkhtml_msg_view_set_branding;
2605         klass->has_blocked_external_images_func = modest_gtkhtml_msg_view_has_blocked_external_images;
2606
2607         return;
2608 }
2609
2610 static void
2611 modest_gtkhtml_msg_view_set_msg_with_other_body (ModestMsgView *self, TnyMsg *msg, TnyMimePart *other_body)
2612 {
2613         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_msg_with_other_body_func (self, msg, other_body);
2614 }
2615
2616 static void
2617 modest_gtkhtml_msg_view_set_msg_with_other_body_default (ModestMsgView *self, TnyMsg *msg, TnyMimePart *other_body)
2618 {
2619         set_message (MODEST_GTKHTML_MSG_VIEW (self), msg, other_body);
2620 }
2621
2622 static GtkAdjustment*
2623 modest_gtkhtml_msg_view_get_vadjustment (ModestMsgView *self)
2624 {
2625         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_vadjustment_func (self);
2626 }
2627
2628 static GtkAdjustment*
2629 modest_gtkhtml_msg_view_get_vadjustment_default (ModestMsgView *self)
2630 {
2631         return get_vadjustment (MODEST_GTKHTML_MSG_VIEW (self));
2632 }
2633
2634 static GtkAdjustment*
2635 modest_gtkhtml_msg_view_get_hadjustment (ModestMsgView *self)
2636 {
2637         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_hadjustment_func (self);
2638 }
2639
2640 static GtkAdjustment*
2641 modest_gtkhtml_msg_view_get_hadjustment_default (ModestMsgView *self)
2642 {
2643         return get_hadjustment (MODEST_GTKHTML_MSG_VIEW (self));
2644 }
2645
2646 static void
2647 modest_gtkhtml_msg_view_set_vadjustment (ModestMsgView *self, GtkAdjustment *adj)
2648 {
2649         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_vadjustment_func (self, adj);
2650 }
2651
2652 static void
2653 modest_gtkhtml_msg_view_set_vadjustment_default (ModestMsgView *self, GtkAdjustment *adj)
2654 {
2655         set_vadjustment (MODEST_GTKHTML_MSG_VIEW (self), adj);
2656 }
2657
2658 static void
2659 modest_gtkhtml_msg_view_set_hadjustment (ModestMsgView *self, GtkAdjustment *adj)
2660 {
2661         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_hadjustment_func (self, adj);
2662 }
2663
2664 static void
2665 modest_gtkhtml_msg_view_set_hadjustment_default (ModestMsgView *self, GtkAdjustment *adj)
2666 {
2667         set_hadjustment (MODEST_GTKHTML_MSG_VIEW (self), adj);
2668 }
2669
2670 static void
2671 modest_gtkhtml_msg_view_set_shadow_type (ModestMsgView *self, GtkShadowType type)
2672 {
2673         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_shadow_type_func (self, type);
2674 }
2675
2676 static void
2677 modest_gtkhtml_msg_view_set_shadow_type_default (ModestMsgView *self, GtkShadowType type)
2678 {
2679         set_shadow_type (MODEST_GTKHTML_MSG_VIEW (self), type);
2680 }
2681
2682 static GtkShadowType
2683 modest_gtkhtml_msg_view_get_shadow_type (ModestMsgView *self)
2684 {
2685         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_shadow_type_func (self);
2686 }
2687
2688 static GtkShadowType
2689 modest_gtkhtml_msg_view_get_shadow_type_default (ModestMsgView *self)
2690 {
2691         return get_shadow_type (MODEST_GTKHTML_MSG_VIEW (self));
2692 }
2693
2694 static void
2695 modest_gtkhtml_msg_view_set_priority (ModestMsgView *self, TnyHeaderFlags flags)
2696 {
2697         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_priority_func (self, flags);
2698 }
2699
2700 static void
2701 modest_gtkhtml_msg_view_set_priority_default (ModestMsgView *self, TnyHeaderFlags flags)
2702 {
2703         set_priority (MODEST_GTKHTML_MSG_VIEW (self), flags);
2704 }
2705
2706 static TnyHeaderFlags
2707 modest_gtkhtml_msg_view_get_priority (ModestMsgView *self)
2708 {
2709         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_priority_func (self);
2710 }
2711
2712 static TnyHeaderFlags
2713 modest_gtkhtml_msg_view_get_priority_default (ModestMsgView *self)
2714 {
2715         return get_priority (MODEST_GTKHTML_MSG_VIEW (self));
2716 }
2717
2718 static TnyList*
2719 modest_gtkhtml_msg_view_get_selected_attachments (ModestMsgView *self)
2720 {
2721         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_selected_attachments_func (self);
2722 }
2723
2724 static TnyList*
2725 modest_gtkhtml_msg_view_get_selected_attachments_default (ModestMsgView *self)
2726 {
2727         return get_selected_attachments (MODEST_GTKHTML_MSG_VIEW (self));
2728 }
2729
2730 static TnyList*
2731 modest_gtkhtml_msg_view_get_attachments (ModestMsgView *self)
2732 {
2733         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_attachments_func (self);
2734 }
2735
2736 static TnyList*
2737 modest_gtkhtml_msg_view_get_attachments_default (ModestMsgView *self)
2738 {
2739         return get_attachments (MODEST_GTKHTML_MSG_VIEW (self));
2740 }
2741
2742 static void
2743 modest_gtkhtml_msg_view_grab_focus (ModestMsgView *self)
2744 {
2745         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->grab_focus_func (self);
2746 }
2747
2748 static void
2749 modest_gtkhtml_msg_view_grab_focus_default (ModestMsgView *self)
2750 {
2751         grab_focus (MODEST_GTKHTML_MSG_VIEW (self));
2752 }
2753
2754 static void
2755 modest_gtkhtml_msg_view_remove_attachment (ModestMsgView *self, TnyMimePart *attachment)
2756 {
2757         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->remove_attachment_func (self, attachment);
2758 }
2759
2760 static void
2761 modest_gtkhtml_msg_view_remove_attachment_default (ModestMsgView *self, TnyMimePart *attachment)
2762 {
2763         remove_attachment (MODEST_GTKHTML_MSG_VIEW (self), attachment);
2764 }
2765
2766 static void
2767 modest_gtkhtml_msg_view_request_fetch_images (ModestMsgView *self)
2768 {
2769         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->request_fetch_images_func (self);
2770 }
2771
2772 static void
2773 modest_gtkhtml_msg_view_request_fetch_images_default (ModestMsgView *self)
2774 {
2775         request_fetch_images (MODEST_GTKHTML_MSG_VIEW (self));
2776 }
2777
2778 static void
2779 modest_gtkhtml_msg_view_set_branding (ModestMsgView *self, const gchar *brand_name, const GdkPixbuf *brand_icon)
2780 {
2781         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_branding_func (self, brand_name, brand_icon);
2782 }
2783
2784 static void
2785 modest_gtkhtml_msg_view_set_branding_default (ModestMsgView *self, const gchar *brand_name, const GdkPixbuf *brand_icon)
2786 {
2787         set_branding (MODEST_GTKHTML_MSG_VIEW (self), brand_name, brand_icon);
2788 }
2789
2790 static gboolean
2791 modest_gtkhtml_msg_view_has_blocked_external_images (ModestMsgView *self)
2792 {
2793         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->has_blocked_external_images_func (self);
2794 }
2795
2796 static gboolean
2797 modest_gtkhtml_msg_view_has_blocked_external_images_default (ModestMsgView *self)
2798 {
2799         return has_blocked_external_images (MODEST_GTKHTML_MSG_VIEW (self));
2800 }
2801
2802 static void
2803 set_calendar (ModestGtkhtmlMsgView *self, TnyHeader *header, TnyMsg *msg)
2804 {
2805         ModestGtkhtmlMsgViewPrivate *priv;
2806         TnyMimePart *calendar_part;
2807
2808         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
2809         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2810
2811         gtk_widget_hide (priv->calendar_actions_container);
2812         gtk_widget_hide_all (priv->calendar_actions_container);
2813         if (priv->calendar_actions_box) {
2814                 gtk_widget_destroy (priv->calendar_actions_box);
2815                 priv->calendar_actions_box = NULL;
2816         }
2817
2818         calendar_part = modest_tny_msg_find_calendar (TNY_MSG (msg));
2819
2820         if (calendar_part) {
2821                 gboolean retval = FALSE;
2822                 priv->calendar_actions_box = gtk_vbox_new (FALSE, 0);
2823                 gtk_box_pack_start (GTK_BOX (priv->calendar_actions_container), priv->calendar_actions_box, FALSE, FALSE, 0);
2824                 g_signal_emit_by_name (G_OBJECT (self), "handle-calendar", calendar_part, priv->calendar_actions_box, &retval);
2825                 if (retval) {
2826                         gtk_widget_show (priv->calendar_actions_container);
2827                         gtk_widget_show_all (priv->calendar_actions_container);
2828                         gtk_widget_show (priv->calendar_actions_box);
2829                         gtk_widget_show_all (priv->calendar_actions_box);
2830                 } else {
2831                         gtk_widget_hide (priv->calendar_actions_container);
2832                         gtk_widget_hide_all (priv->calendar_actions_container);
2833                         gtk_widget_hide (priv->calendar_actions_box);
2834                         gtk_widget_hide_all (priv->calendar_actions_box);
2835                 }
2836                 gtk_widget_show_all  (priv->calendar_box);
2837                 g_object_unref (calendar_part);
2838         } else {
2839                 gtk_widget_hide_all (priv->calendar_box);
2840                 gtk_widget_hide (priv->calendar_actions_container);
2841                 gtk_widget_hide_all (priv->calendar_actions_container);
2842                 gtk_widget_hide (priv->calendar_actions_box);
2843         }
2844
2845
2846 }