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