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