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