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

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