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