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

   1 /* Copyright (c) 2006, 2007, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <config.h>
  31 #include <tny-gtk-text-buffer-stream.h>
  32 #include <string.h>
  33 #include <regex.h>
  34 #include <ctype.h>
  35 #include <stdlib.h>
  36 #include <glib/gi18n.h>
  37 #include <tny-list.h>
  38 #include <tny-simple-list.h>
  39 #include <tny-vfs-stream.h>
  40
  41 #include <modest-tny-msg.h>
  42 #include <modest-text-utils.h>
  43 #include <widgets/modest-msg-view.h>
  44 #ifdef MODEST_TOOLKIT_HILDON2
  45 #include <widgets/modest-compact-mail-header-view.h>
  46 #include <hildon/hildon-gtk.h>
  47 #else
  48 #include <widgets/modest-expander-mail-header-view.h>
  49 #endif
  50 #include <widgets/modest-attachments-view.h>
  51 #include <modest-marshal.h>
  52 #include <widgets/modest-gtkhtml-mime-part-view.h>
  53 #include <widgets/modest-gtkhtml-msg-view.h>
  54 #include <widgets/modest-isearch-view.h>
  55 #include <widgets/modest-ui-constants.h>
  56 #include <modest-icon-names.h>
  57
  58 /* FIXNE: we should have no maemo-deps in widgets/ */
  59 #ifndef MODEST_TOOLKIT_GTK
  60 #include "maemo/modest-hildon-includes.h"
  61 #endif /*!MODEST_TOOLKIT_GTK*/
  62
  63
  64 /* 'private'/'protected' functions */
  65 static void     modest_gtkhtml_msg_view_class_init   (ModestGtkhtmlMsgViewClass *klass);
  66 static void     tny_header_view_init (gpointer g, gpointer iface_data);
  67 static void     tny_msg_view_init (gpointer g, gpointer iface_data);
  68 static void     tny_mime_part_view_init (gpointer g, gpointer iface_data);
  69 static void     modest_mime_part_view_init (gpointer g, gpointer iface_data);
  70 static void     modest_zoomable_init (gpointer g, gpointer iface_data);
  71 static void     modest_isearch_view_init (gpointer g, gpointer iface_data);
  72 static void     modest_msg_view_init (gpointer g, gpointer iface_data);
  73 static void     modest_gtkhtml_msg_view_init         (ModestGtkhtmlMsgView *obj);
  74 static void     modest_gtkhtml_msg_view_finalize     (GObject *obj);
  75 static void     modest_gtkhtml_msg_view_destroy     (GtkObject *obj);
  76 static void     set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
  77 static void     get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
  78
  79 /* headers signals */
  80 static void on_recpt_activated (ModestMailHeaderView *header_view, const gchar *address, ModestGtkhtmlMsgView *msg_view);
  81 static void on_show_details (ModestMailHeaderView *header_view, ModestGtkhtmlMsgView *msg_view);
  82 static void on_attachment_activated (ModestAttachmentsView * att_view, TnyMimePart *mime_part, gpointer userdata);
  83
  84 /* body view signals */
  85 static gboolean on_activate_link (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMsgView *msg_view);
  86 static gboolean on_fetch_url (GtkWidget *widget, const gchar *uri, TnyStream *stream,
  87                               ModestGtkhtmlMsgView *msg_view);
  88 static gboolean on_link_hover (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMsgView *msg_view);
  89
  90 #ifdef MAEMO_CHANGES
  91 static void     on_tap_and_hold (GtkWidget *widget, gpointer userdata);
  92 static gboolean on_tap_and_hold_query (GtkWidget *widget, GdkEvent *event, gpointer userdata);
  93 #endif /*MAEMO_CHANGES*/
  94
  95
  96 /* size allocation and drawing handlers */
  97 static void get_view_allocation (ModestGtkhtmlMsgView *msg_view, GtkAllocation *allocation);
  98 static void size_request (GtkWidget *widget, GtkRequisition *req);
  99 static void size_allocate (GtkWidget *widget, GtkAllocation *alloc);
 100 static void realize (GtkWidget *widget);
 101 static void unrealize (GtkWidget *widget);
 102 static gint expose (GtkWidget *widget, GdkEventExpose *event);
 103 static void reclamp_adjustment (GtkAdjustment *adj, gboolean *value_changed);
 104 static void set_hadjustment_values (ModestGtkhtmlMsgView *msg_view, gboolean *value_changed);
 105 static void set_scroll_adjustments (ModestGtkhtmlMsgView *msg_view, GtkAdjustment *hadj, GtkAdjustment *vadj);
 106 static void adjustment_value_changed (GtkAdjustment *adj, gpointer data);
 107 static void html_adjustment_changed (GtkAdjustment *adj, gpointer data);
 108 static void disconnect_vadjustment (ModestGtkhtmlMsgView *obj);
 109 static void disconnect_hadjustment (ModestGtkhtmlMsgView *obj);
 110 static gboolean idle_readjust_scroll (ModestGtkhtmlMsgView *obj);
 111
 112 /* vertical panning implementation */
 113 #ifdef MAEMO_CHANGES
 114 static gboolean motion_notify_event (GtkWidget *widget,
 115                                      GdkEventMotion *event,
 116                                      gpointer userdata);
 117 #endif
 118
 119 static gboolean
 120 button_press_event (GtkWidget *widget,
 121                     GdkEventButton *event,
 122                     gpointer userdata);
 123 static gboolean
 124 button_release_event (GtkWidget *widget,
 125                       GdkEventButton *event,
 126                       gpointer userdata);
 127
 128 /* GtkContainer methods */
 129 static void forall (GtkContainer *container, gboolean include_internals,
 130                     GtkCallback callback, gpointer userdata);
 131 static void container_remove (GtkContainer *container, GtkWidget *widget);
 132
 133 /* TnyMimePartView implementation */
 134 static void modest_msg_view_mp_clear (TnyMimePartView *self);
 135 static void modest_msg_view_mp_set_part (TnyMimePartView *self, TnyMimePart *part);
 136 static void modest_msg_view_mp_set_part_default (TnyMimePartView *self, TnyMimePart *part);
 137 static TnyMimePart* modest_msg_view_mp_get_part (TnyMimePartView *self);
 138 static TnyMimePart* modest_msg_view_mp_get_part_default (TnyMimePartView *self);
 139 /* ModestMimePartView implementation */
 140 static gboolean modest_msg_view_mp_is_empty (ModestMimePartView *self);
 141 static gboolean modest_msg_view_mp_is_empty_default (ModestMimePartView *self);
 142 /* TnyHeaderView implementation */
 143 static void modest_msg_view_set_header (TnyHeaderView *self, TnyHeader *header);
 144 static void modest_msg_view_set_header_default (TnyHeaderView *self, TnyHeader *header);
 145 static void modest_msg_view_clear_header (TnyHeaderView *self);
 146 static void modest_msg_view_clear_header_default (TnyHeaderView *self);
 147 /* TnyMsgView implementation */
 148 static TnyMsg *modest_msg_view_get_msg (TnyMsgView *self);
 149 static TnyMsg *modest_msg_view_get_msg_default (TnyMsgView *self);
 150 static void modest_msg_view_set_msg (TnyMsgView *self, TnyMsg *msg);
 151 static void modest_msg_view_set_msg_default (TnyMsgView *self, TnyMsg *msg);
 152 static void modest_msg_view_clear (TnyMsgView *self);
 153 static void modest_msg_view_clear_default (TnyMsgView *self);
 154 static void modest_msg_view_set_unavailable (TnyMsgView *self);
 155 static void modest_msg_view_set_unavailable_default (TnyMsgView *self);
 156 static TnyMimePartView *modest_msg_view_create_mime_part_view_for (TnyMsgView *self, TnyMimePart *part);
 157 static TnyMimePartView *modest_msg_view_create_mime_part_view_for_default (TnyMsgView *self, TnyMimePart *part);
 158 static TnyMsgView *modest_msg_view_create_new_inline_viewer (TnyMsgView *self);
 159 static TnyMsgView *modest_msg_view_create_new_inline_viewer_default (TnyMsgView *self);
 160 /* ModestZoomable implementation */
 161 static gdouble modest_msg_view_get_zoom (ModestZoomable *self);
 162 static void modest_msg_view_set_zoom (ModestZoomable *self, gdouble value);
 163 static gboolean modest_msg_view_zoom_minus (ModestZoomable *self);
 164 static gboolean modest_msg_view_zoom_plus (ModestZoomable *self);
 165 static gdouble modest_msg_view_get_zoom_default (ModestZoomable *self);
 166 static void modest_msg_view_set_zoom_default (ModestZoomable *self, gdouble value);
 167 static gboolean modest_msg_view_zoom_minus_default (ModestZoomable *self);
 168 static gboolean modest_msg_view_zoom_plus_default (ModestZoomable *self);
 169 /* ModestISearchView implementation */
 170 static gboolean modest_msg_view_search (ModestISearchView *self, const gchar *string);
 171 static gboolean modest_msg_view_search_default (ModestISearchView *self, const gchar *string);
 172 static gboolean modest_msg_view_search_next (ModestISearchView *self);
 173 static gboolean modest_msg_view_search_next_default (ModestISearchView *self);
 174 /* ModestMsgView implementation */
 175 static GtkAdjustment *modest_gtkhtml_msg_view_get_vadjustment (ModestMsgView *self);
 176 static GtkAdjustment *modest_gtkhtml_msg_view_get_hadjustment (ModestMsgView *self);
 177 static void modest_gtkhtml_msg_view_set_vadjustment (ModestMsgView *self, GtkAdjustment *vadj);
 178 static void modest_gtkhtml_msg_view_set_hadjustment (ModestMsgView *self, GtkAdjustment *hadj);
 179 static void modest_gtkhtml_msg_view_set_shadow_type (ModestMsgView *self, GtkShadowType type);
 180 static GtkShadowType modest_gtkhtml_msg_view_get_shadow_type (ModestMsgView *self);
 181 static TnyHeaderFlags modest_gtkhtml_msg_view_get_priority (ModestMsgView *self);
 182 static void modest_gtkhtml_msg_view_set_priority (ModestMsgView *self, TnyHeaderFlags flags);
 183 static TnyList *modest_gtkhtml_msg_view_get_selected_attachments (ModestMsgView *self);
 184 static TnyList *modest_gtkhtml_msg_view_get_attachments (ModestMsgView *self);
 185 static void modest_gtkhtml_msg_view_grab_focus (ModestMsgView *self);
 186 static void modest_gtkhtml_msg_view_remove_attachment (ModestMsgView *view, TnyMimePart *attachment);
 187 static void modest_gtkhtml_msg_view_request_fetch_images (ModestMsgView *view);
 188 static gboolean modest_gtkhtml_msg_view_has_blocked_external_images (ModestMsgView *view);
 189 static GtkAdjustment *modest_gtkhtml_msg_view_get_vadjustment_default (ModestMsgView *self);
 190 static GtkAdjustment *modest_gtkhtml_msg_view_get_hadjustment_default (ModestMsgView *self);
 191 static void modest_gtkhtml_msg_view_set_vadjustment_default (ModestMsgView *self, GtkAdjustment *vadj);
 192 static void modest_gtkhtml_msg_view_set_hadjustment_default (ModestMsgView *self, GtkAdjustment *hadj);
 193 static void modest_gtkhtml_msg_view_set_shadow_type_default (ModestMsgView *self, GtkShadowType type);
 194 static GtkShadowType modest_gtkhtml_msg_view_get_shadow_type_default (ModestMsgView *self);
 195 static TnyHeaderFlags modest_gtkhtml_msg_view_get_priority_default (ModestMsgView *self);
 196 static void modest_gtkhtml_msg_view_set_priority_default (ModestMsgView *self, TnyHeaderFlags flags);
 197 static TnyList *modest_gtkhtml_msg_view_get_selected_attachments_default (ModestMsgView *self);
 198 static TnyList *modest_gtkhtml_msg_view_get_attachments_default (ModestMsgView *self);
 199 static void modest_gtkhtml_msg_view_grab_focus_default (ModestMsgView *self);
 200 static void modest_gtkhtml_msg_view_remove_attachment_default (ModestMsgView *view, TnyMimePart *attachment);
 201 static gboolean modest_gtkhtml_msg_view_has_blocked_external_images_default (ModestMsgView *view);
 202 static void modest_gtkhtml_msg_view_request_fetch_images_default (ModestMsgView *view);
 203
 204 /* internal api */
 205 static void     set_header     (ModestGtkhtmlMsgView *self, TnyHeader *header);
 206 static TnyMsg   *get_message   (ModestGtkhtmlMsgView *self);
 207 static void     set_message    (ModestGtkhtmlMsgView *self, TnyMsg *tny_msg);
 208 static gboolean is_empty       (ModestGtkhtmlMsgView *self);
 209 static void     set_zoom       (ModestGtkhtmlMsgView *self, gdouble zoom);
 210 static gdouble  get_zoom       (ModestGtkhtmlMsgView *self);
 211 static gboolean search         (ModestGtkhtmlMsgView *self, const gchar *search);
 212 static gboolean search_next    (ModestGtkhtmlMsgView *self);
 213 static GtkAdjustment *get_vadjustment (ModestGtkhtmlMsgView *self);
 214 static GtkAdjustment *get_hadjustment (ModestGtkhtmlMsgView *self);
 215 static void set_vadjustment (ModestGtkhtmlMsgView *self, GtkAdjustment *vadj);
 216 static void set_hadjustment (ModestGtkhtmlMsgView *self, GtkAdjustment *hadj);
 217 static void set_shadow_type (ModestGtkhtmlMsgView *self, GtkShadowType type);
 218 static GtkShadowType get_shadow_type (ModestGtkhtmlMsgView *self);
 219 static TnyHeaderFlags get_priority (ModestGtkhtmlMsgView *self);
 220 static void set_priority (ModestGtkhtmlMsgView *self, TnyHeaderFlags flags);
 221 static TnyList *get_selected_attachments (ModestGtkhtmlMsgView *self);
 222 static TnyList *get_attachments (ModestGtkhtmlMsgView *self);
 223 static void grab_focus (ModestGtkhtmlMsgView *self);
 224 static void remove_attachment (ModestGtkhtmlMsgView *view, TnyMimePart *attachment);
 225 static void request_fetch_images (ModestGtkhtmlMsgView *view);
 226 static gboolean has_blocked_external_images (ModestGtkhtmlMsgView *view);
 227
 228 /* list properties */
 229 enum {
 230         PROP_0,
 231         PROP_HADJUSTMENT,
 232         PROP_VADJUSTMENT,
 233         PROP_SHADOW_TYPE
 234 };
 235
 236 typedef struct _ModestGtkhtmlMsgViewPrivate ModestGtkhtmlMsgViewPrivate;
 237 struct _ModestGtkhtmlMsgViewPrivate {
 238         GtkWidget   *body_view;
 239         GtkWidget   *mail_header_view;
 240         GtkWidget   *attachments_view;
 241
 242         TnyMsg      *msg;
 243
 244         /* embedded elements */
 245         GtkWidget   *headers_box;
 246         GtkWidget   *html_scroll;
 247         GtkWidget   *attachments_box;
 248
 249 #ifdef MODEST_TOOLKIT_HILDON2
 250         GtkWidget   *priority_box;
 251         GtkWidget   *priority_icon;
 252 #endif
 253
 254         /* internal adjustments for set_scroll_adjustments */
 255         GtkAdjustment *hadj;
 256         GtkAdjustment *vadj;
 257         GtkShadowType shadow_type;
 258
 259         /* gdk windows for drawing */
 260         GdkWindow *view_window;
 261         GdkWindow *headers_window;
 262         GdkWindow *html_window;
 263
 264         /* id handler for dragged scroll */
 265         guint idle_motion_id;
 266
 267         /* zoom */
 268         gdouble current_zoom;
 269
 270         /* link click management */
 271         gchar *last_url;
 272 };
 273
 274 #define MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 275                                                                                  MODEST_TYPE_GTKHTML_MSG_VIEW, \
 276                                                                                  ModestGtkhtmlMsgViewPrivate))
 277
 278 /* globals */
 279 static GtkContainerClass *parent_class = NULL;
 280
 281 GType
 282 modest_gtkhtml_msg_view_get_type (void)
 283 {
 284         static GType my_type = 0;
 285         if (!my_type) {
 286                 static const GTypeInfo my_info = {
 287                         sizeof(ModestGtkhtmlMsgViewClass),
 288                         NULL,           /* base init */
 289                         NULL,           /* base finalize */
 290                         (GClassInitFunc) modest_gtkhtml_msg_view_class_init,
 291                         NULL,           /* class finalize */
 292                         NULL,           /* class data */
 293                         sizeof(ModestGtkhtmlMsgView),
 294                         1,              /* n_preallocs */
 295                         (GInstanceInitFunc) modest_gtkhtml_msg_view_init,
 296                         NULL
 297                 };
 298                 static const GInterfaceInfo tny_msg_view_info =
 299                 {
 300                   (GInterfaceInitFunc) tny_msg_view_init, /* interface_init */
 301                   NULL,         /* interface_finalize */
 302                   NULL          /* interface_data */
 303                 };
 304
 305                 static const GInterfaceInfo tny_mime_part_view_info =
 306                 {
 307                   (GInterfaceInitFunc) tny_mime_part_view_init, /* interface_init */
 308                   NULL,         /* interface_finalize */
 309                   NULL          /* interface_data */
 310                 };
 311
 312                 static const GInterfaceInfo tny_header_view_info =
 313                 {
 314                   (GInterfaceInitFunc) tny_header_view_init, /* interface_init */
 315                   NULL,         /* interface_finalize */
 316                   NULL          /* interface_data */
 317                 };
 318
 319                 static const GInterfaceInfo modest_mime_part_view_info =
 320                 {
 321                   (GInterfaceInitFunc) modest_mime_part_view_init, /* interface_init */
 322                   NULL,         /* interface_finalize */
 323                   NULL          /* interface_data */
 324                 };
 325
 326                 static const GInterfaceInfo modest_zoomable_info =
 327                 {
 328                   (GInterfaceInitFunc) modest_zoomable_init, /* interface_init */
 329                   NULL,         /* interface_finalize */
 330                   NULL          /* interface_data */
 331                 };
 332
 333                 static const GInterfaceInfo modest_isearch_view_info =
 334                 {
 335                   (GInterfaceInitFunc) modest_isearch_view_init, /* interface_init */
 336                   NULL,         /* interface_finalize */
 337                   NULL          /* interface_data */
 338                 };
 339
 340                 static const GInterfaceInfo modest_msg_view_info =
 341                 {
 342                   (GInterfaceInitFunc) modest_msg_view_init, /* interface_init */
 343                   NULL,         /* interface_finalize */
 344                   NULL          /* interface_data */
 345                 };
 346
 347                 my_type = g_type_register_static (GTK_TYPE_CONTAINER,
 348                                                   "ModestGtkhtmlMsgView",
 349                                                   &my_info, 0);
 350
 351                 g_type_add_interface_static (my_type, TNY_TYPE_HEADER_VIEW,
 352                         &tny_header_view_info);
 353
 354                 g_type_add_interface_static (my_type, TNY_TYPE_MIME_PART_VIEW,
 355                         &tny_mime_part_view_info);
 356
 357                 g_type_add_interface_static (my_type, MODEST_TYPE_MIME_PART_VIEW,
 358                         &modest_mime_part_view_info);
 359
 360                 g_type_add_interface_static (my_type, TNY_TYPE_MSG_VIEW,
 361                         &tny_msg_view_info);
 362
 363                 g_type_add_interface_static (my_type, MODEST_TYPE_ZOOMABLE,
 364                         &modest_zoomable_info);
 365
 366                 g_type_add_interface_static (my_type, MODEST_TYPE_ISEARCH_VIEW,
 367                         &modest_isearch_view_info);
 368
 369                 g_type_add_interface_static (my_type, MODEST_TYPE_MSG_VIEW,
 370                         &modest_msg_view_info);
 371         }
 372         return my_type;
 373 }
 374
 375 static void
 376 modest_gtkhtml_msg_view_class_init (ModestGtkhtmlMsgViewClass *klass)
 377 {
 378         GObjectClass *gobject_class;
 379         GtkWidgetClass *widget_class;
 380         GtkObjectClass *gtkobject_class;
 381         GtkContainerClass *container_class;
 382         gobject_class = (GObjectClass*) klass;
 383         widget_class = (GtkWidgetClass *) klass;
 384         gtkobject_class = (GtkObjectClass *) klass;
 385         container_class = (GtkContainerClass *) klass;
 386
 387         parent_class            = g_type_class_peek_parent (klass);
 388         gobject_class->finalize = modest_gtkhtml_msg_view_finalize;
 389         gobject_class->set_property = set_property;
 390         gobject_class->get_property = get_property;
 391         gtkobject_class->destroy = modest_gtkhtml_msg_view_destroy;
 392
 393         widget_class->realize = realize;
 394         widget_class->unrealize = unrealize;
 395         widget_class->expose_event = expose;
 396         widget_class->size_request = size_request;
 397         widget_class->size_allocate = size_allocate;
 398
 399         container_class->forall = forall;
 400         container_class->remove = container_remove;
 401
 402         klass->set_header_func = modest_msg_view_set_header_default;
 403         klass->clear_header_func = modest_msg_view_clear_header_default;
 404         klass->set_scroll_adjustments = set_scroll_adjustments;
 405         klass->get_part_func = modest_msg_view_mp_get_part_default;
 406         klass->set_part_func = modest_msg_view_mp_set_part_default;
 407         klass->is_empty_func = modest_msg_view_mp_is_empty_default;
 408         klass->get_msg_func = modest_msg_view_get_msg_default;
 409         klass->set_msg_func = modest_msg_view_set_msg_default;
 410         klass->set_unavailable_func = modest_msg_view_set_unavailable_default;
 411         klass->clear_func = modest_msg_view_clear_default;
 412         klass->create_mime_part_view_for_func = modest_msg_view_create_mime_part_view_for_default;
 413         klass->create_new_inline_viewer_func = modest_msg_view_create_new_inline_viewer_default;
 414         klass->get_zoom_func = modest_msg_view_get_zoom_default;
 415         klass->set_zoom_func = modest_msg_view_set_zoom_default;
 416         klass->zoom_minus_func = modest_msg_view_zoom_minus_default;
 417         klass->zoom_plus_func = modest_msg_view_zoom_plus_default;
 418         klass->search_func = modest_msg_view_search_default;
 419         klass->search_next_func = modest_msg_view_search_next_default;
 420         klass->get_vadjustment_func = modest_gtkhtml_msg_view_get_vadjustment_default;
 421         klass->get_hadjustment_func = modest_gtkhtml_msg_view_get_hadjustment_default;
 422         klass->set_vadjustment_func = modest_gtkhtml_msg_view_set_vadjustment_default;
 423         klass->set_hadjustment_func = modest_gtkhtml_msg_view_set_hadjustment_default;
 424         klass->get_shadow_type_func = modest_gtkhtml_msg_view_get_shadow_type_default;
 425         klass->set_shadow_type_func = modest_gtkhtml_msg_view_set_shadow_type_default;
 426         klass->get_priority_func = modest_gtkhtml_msg_view_get_priority_default;
 427         klass->set_priority_func = modest_gtkhtml_msg_view_set_priority_default;
 428         klass->get_selected_attachments_func = modest_gtkhtml_msg_view_get_selected_attachments_default;
 429         klass->get_attachments_func = modest_gtkhtml_msg_view_get_attachments_default;
 430         klass->grab_focus_func = modest_gtkhtml_msg_view_grab_focus_default;
 431         klass->remove_attachment_func = modest_gtkhtml_msg_view_remove_attachment_default;
 432         klass->request_fetch_images_func = modest_gtkhtml_msg_view_request_fetch_images_default;
 433         klass->has_blocked_external_images_func = modest_gtkhtml_msg_view_has_blocked_external_images_default;
 434
 435         g_type_class_add_private (gobject_class, sizeof(ModestGtkhtmlMsgViewPrivate));
 436
 437         g_object_class_install_property (gobject_class,
 438                                          PROP_HADJUSTMENT,
 439                                          g_param_spec_object ("hadjustment",
 440                                                               _("Horizontal adjustment"),
 441                                                               _("GtkAdjustment with information of the horizontal visible position"),
 442                                                               GTK_TYPE_ADJUSTMENT,
 443                                                               G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
 444
 445         g_object_class_install_property (gobject_class,
 446                                          PROP_VADJUSTMENT,
 447                                          g_param_spec_object ("vadjustment",
 448                                                               _("Vertical adjustment"),
 449                                                               _("GtkAdjustment with information of the vertical visible position"),
 450                                                               GTK_TYPE_ADJUSTMENT,
 451                                                               G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
 452
 453         g_object_class_install_property (gobject_class,
 454                                          PROP_SHADOW_TYPE,
 455                                          g_param_spec_enum ("shadow_type",
 456                                                             _("Shadow type"),
 457                                                             _("Kind of shadow that's shown around the view"),
 458                                                             GTK_TYPE_SHADOW_TYPE,
 459                                                             GTK_SHADOW_IN,
 460                                                             G_PARAM_READABLE | G_PARAM_WRITABLE ));
 461
 462         widget_class->set_scroll_adjustments_signal =
 463                 g_signal_new ("set_scroll_adjustments",
 464                               G_OBJECT_CLASS_TYPE (gobject_class),
 465                               G_SIGNAL_RUN_LAST|G_SIGNAL_ACTION,
 466                               G_STRUCT_OFFSET (ModestGtkhtmlMsgViewClass, set_scroll_adjustments),
 467                               NULL, NULL,
 468                               modest_marshal_VOID__POINTER_POINTER,
 469                               G_TYPE_NONE, 2,
 470                               GTK_TYPE_ADJUSTMENT,
 471                               GTK_TYPE_ADJUSTMENT);
 472 }
 473
 474 static void
 475 set_property (GObject *object,
 476               guint prop_id,
 477               const GValue *value,
 478               GParamSpec *pspec)
 479 {
 480         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (object);
 481
 482         switch (prop_id) {
 483         case PROP_HADJUSTMENT:
 484                 set_hadjustment (self, g_value_get_object (value));
 485                 break;
 486         case PROP_VADJUSTMENT:
 487                 set_vadjustment (self, g_value_get_object (value));
 488                 break;
 489         case PROP_SHADOW_TYPE:
 490                 set_shadow_type (self, g_value_get_enum (value));
 491                 break;
 492         default:
 493                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 494                 break;
 495         }
 496 }
 497
 498 static void
 499 get_property (GObject *object,
 500               guint prop_id,
 501               GValue *value,
 502               GParamSpec *pspec)
 503 {
 504         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (object);
 505         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 506
 507         switch (prop_id) {
 508         case PROP_HADJUSTMENT:
 509                 g_value_set_object (value, priv->hadj);
 510                 break;
 511         case PROP_VADJUSTMENT:
 512                 g_value_set_object (value, priv->vadj);
 513                 break;
 514         case PROP_SHADOW_TYPE:
 515                 g_value_set_enum (value, priv->shadow_type);
 516                 break;
 517         default:
 518                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 519                 break;
 520         }
 521 }
 522
 523 static void
 524 disconnect_hadjustment (ModestGtkhtmlMsgView *self)
 525 {
 526         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 527
 528         if (priv->hadj) {
 529                 g_signal_handlers_disconnect_by_func(priv->hadj, adjustment_value_changed, self);
 530                 g_object_unref (priv->hadj);
 531                 priv->hadj = NULL;
 532         }
 533 }
 534
 535 static void
 536 disconnect_vadjustment (ModestGtkhtmlMsgView *self)
 537 {
 538         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 539
 540         if (priv->vadj) {
 541                 g_signal_handlers_disconnect_by_func(priv->vadj, adjustment_value_changed, self);
 542                 g_object_unref (priv->vadj);
 543                 priv->vadj = NULL;
 544         }
 545 }
 546
 547 static void
 548 get_view_allocation (ModestGtkhtmlMsgView *self, GtkAllocation *allocation)
 549 {
 550         /* This method gets the allocation of the widget in parent widget. It's the
 551            real position and size of the widget */
 552         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 553
 554         allocation->x = 0;
 555         allocation->y = 0;
 556
 557         if (priv->shadow_type != GTK_SHADOW_NONE) {
 558                 allocation->x = GTK_WIDGET (self)->style->xthickness;
 559                 allocation->y = GTK_WIDGET (self)->style->ythickness;
 560         }
 561
 562         allocation->width = MAX (1, (GTK_WIDGET (self)->allocation.width) - allocation->x * 2);
 563         allocation->height = MAX (1, (GTK_WIDGET (self)->allocation.height) - allocation->y * 2);
 564
 565 }
 566
 567 static void
 568 reclamp_adjustment (GtkAdjustment *adj,
 569                     gboolean *value_changed)
 570 {
 571         gdouble value = adj->value;
 572
 573         /* Correct value to be inside the expected values of a scroll */
 574
 575         value = CLAMP (value, 0, adj->upper - adj->page_size);
 576
 577         if (value != adj->value) {
 578                 adj->value = value;
 579                 if (value_changed)
 580                         *value_changed = TRUE;
 581         } else if (value_changed) {
 582                 *value_changed = FALSE;
 583         }
 584 }
 585
 586 static void
 587 set_hadjustment_values (ModestGtkhtmlMsgView *self,
 588                         gboolean *value_changed)
 589 {
 590         GtkAllocation view_allocation;
 591         GtkAdjustment *hadj = get_hadjustment (self);
 592
 593         get_view_allocation (self, &view_allocation);
 594         hadj->page_size = view_allocation.width;
 595         hadj->step_increment = view_allocation.width * 0.1;
 596         hadj->page_increment = view_allocation.width * 0.9;
 597
 598         hadj->lower = 0;
 599         hadj->upper = view_allocation.width;
 600
 601         reclamp_adjustment (hadj, value_changed);
 602
 603 }
 604
 605 static void
 606 set_vadjustment_values (ModestGtkhtmlMsgView *self,
 607                         gboolean *value_changed)
 608 {
 609         GtkAllocation view_allocation;
 610         GtkAdjustment *vadj = get_vadjustment (self);
 611         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 612         gint full_height = 0;
 613         GtkAdjustment *html_vadj;
 614
 615         get_view_allocation (self, &view_allocation);
 616         vadj->page_size = view_allocation.height;
 617         vadj->step_increment = view_allocation.height * 0.1;
 618         vadj->page_increment = view_allocation.height * 0.9;
 619
 620         vadj->lower = 0;
 621
 622         if (priv->headers_box && GTK_WIDGET_VISIBLE(priv->headers_box)) {
 623                 GtkRequisition child_requisition;
 624
 625                 gtk_widget_get_child_requisition (priv->headers_box, &child_requisition);
 626                 full_height = child_requisition.height;
 627         } else {
 628                 full_height = 0;
 629         }
 630
 631         /* Get the real height of the embedded html */
 632         if (priv->html_scroll && GTK_WIDGET_VISIBLE(priv->html_scroll)) {
 633                 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 634                 full_height += html_vadj->upper;
 635         }
 636
 637         vadj->upper = MAX (view_allocation.height, full_height);
 638
 639         reclamp_adjustment (vadj, value_changed);
 640
 641 }
 642
 643 static void
 644 set_scroll_adjustments (ModestGtkhtmlMsgView *self,
 645                         GtkAdjustment *hadj,
 646                         GtkAdjustment *vadj)
 647 {
 648         set_hadjustment (self, hadj);
 649         set_vadjustment (self, vadj);
 650
 651 #ifndef MODEST_TOOLKIT_HILDON2
 652         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 653         gtk_container_set_focus_vadjustment (GTK_CONTAINER (priv->body_view), vadj);
 654 #endif
 655 }
 656
 657 static void
 658 realize (GtkWidget *widget)
 659 {
 660         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (widget);
 661         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 662         GtkAdjustment *hadj = get_hadjustment (self);
 663         GtkAdjustment *vadj = get_vadjustment (self);
 664         GdkWindowAttr attributes;
 665         gint event_mask;
 666         gint attributes_mask;
 667         GtkAllocation view_allocation;
 668
 669         GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 670
 671         /* The structure of the GdkWindow's is:
 672          *    * widget->window: the shown gdkwindow embedding all the stuff inside
 673          *    * view_window: a backing store gdkwindow containing the headers and contents
 674          *      being scrolled. This window should have all the visible and non visible
 675          *      widgets inside.
 676          *    * headers_window: gdk window for headers_box.
 677          *    * html_window: gdk window for html_scroll (the scrolled window containing the
 678          *      body view showing the contents of the mail).
 679          */
 680
 681         attributes.x = widget->allocation.x;
 682         attributes.y = widget->allocation.y;
 683         attributes.width = widget->allocation.width;
 684         attributes.height = widget->allocation.height;
 685         attributes.window_type = GDK_WINDOW_CHILD;
 686         attributes.wclass = GDK_INPUT_OUTPUT;
 687         attributes.visual = gtk_widget_get_visual (widget);
 688         attributes.colormap = gtk_widget_get_colormap (widget);
 689
 690         event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
 691         attributes.event_mask = event_mask | GDK_BUTTON_PRESS_MASK;
 692         attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 693
 694         widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
 695                                          &attributes, attributes_mask);
 696         gdk_window_set_user_data (widget->window, self);
 697
 698         get_view_allocation (self, &view_allocation);
 699
 700         attributes.x = view_allocation.x;
 701         attributes.y = view_allocation.y;
 702         attributes.width = view_allocation.width;
 703         attributes.height = view_allocation.height;
 704         attributes.event_mask = 0;
 705         priv->view_window = gdk_window_new (widget->window, &attributes, attributes_mask);
 706         gdk_window_set_user_data (priv->view_window, self);
 707         gdk_window_set_back_pixmap (priv->view_window, NULL, FALSE);
 708
 709         attributes.x = -hadj->value;
 710         attributes.y = -vadj->value;
 711         attributes.width = hadj->upper;
 712         if (priv->headers_box)
 713                 attributes.height = GTK_WIDGET (priv->headers_box)->allocation.height;
 714         else
 715                 attributes.height = 1;
 716         attributes.event_mask = event_mask;
 717
 718         priv->headers_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 719         gdk_window_set_user_data (priv->headers_window, self);
 720
 721         if (priv->headers_box)
 722                 gtk_widget_set_parent_window (priv->headers_box, priv->headers_window);
 723
 724         attributes.x = -hadj->value;
 725         if (priv->headers_box)
 726                 attributes.y = GTK_WIDGET (priv->headers_box)->allocation.height - vadj->value;
 727         else
 728                 attributes.y = -vadj->value;
 729         attributes.width = hadj->upper;
 730         if (priv->headers_box)
 731                 attributes.height = vadj->upper - GTK_WIDGET (priv->headers_box)->allocation.height;
 732         else
 733                 attributes.height = vadj->upper;
 734         attributes.event_mask = event_mask;
 735
 736         priv->html_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 737         gdk_window_set_user_data (priv->html_window, self);
 738
 739         if (priv->html_scroll)
 740                 gtk_widget_set_parent_window (priv->html_scroll, priv->html_window);
 741
 742         widget->style = gtk_style_attach (widget->style, widget->window);
 743         gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 744         gtk_style_set_background (widget->style, priv->headers_window, GTK_STATE_NORMAL);
 745         gtk_style_set_background (widget->style, priv->html_window, GTK_STATE_NORMAL);
 746
 747         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 748                            GTK_SHADOW_NONE,
 749                            NULL, widget, "msgviewheaders",
 750                            0,0,-1,-1);
 751         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 752                            GTK_SHADOW_NONE,
 753                            NULL, widget, "msgviewcontents",
 754                            0,0,-1,-1);
 755
 756         gdk_window_show (priv->view_window);
 757         gdk_window_show (priv->headers_window);
 758         gdk_window_show (priv->html_window);
 759
 760 }
 761
 762 static void
 763 unrealize (GtkWidget *widget)
 764 {
 765         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (widget);
 766         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 767
 768         gdk_window_set_user_data (priv->view_window, NULL);
 769         gdk_window_destroy (priv->view_window);
 770         priv->view_window = NULL;
 771
 772         gdk_window_set_user_data (priv->headers_window, NULL);
 773         gdk_window_destroy (priv->headers_window);
 774         priv->headers_window = NULL;
 775
 776         gdk_window_set_user_data (priv->html_window, NULL);
 777         gdk_window_destroy (priv->html_window);
 778         priv->html_window = NULL;
 779
 780         if (GTK_WIDGET_CLASS (parent_class)->unrealize)
 781                 ( * GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
 782
 783 }
 784
 785 static gint
 786 expose (GtkWidget *widget,
 787         GdkEventExpose *event)
 788 {
 789         ModestGtkhtmlMsgView *self;
 790         ModestGtkhtmlMsgViewPrivate *priv;
 791
 792         if (GTK_WIDGET_DRAWABLE (widget)) {
 793                 self = MODEST_GTKHTML_MSG_VIEW (widget);
 794                 priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 795                 if (event->window == widget->window) {
 796                         gtk_paint_shadow (widget->style, widget->window,
 797                                           GTK_STATE_NORMAL, priv->shadow_type,
 798                                           &event->area, widget, "msgview",
 799                                           0,0,-1,-1);
 800                 } else if (event->window == priv->headers_window) {
 801                         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 802                                            GTK_SHADOW_NONE,
 803                                            &event->area, widget, "msgviewheaders",
 804                                            0,0,-1,-1);
 805                 } else if (event->window == priv->html_window) {
 806                         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 807                                            GTK_SHADOW_NONE,
 808                                            &event->area, widget, "msgviewcontents",
 809                                            0,0,-1,-1);
 810                 }
 811                 if (priv->headers_box)
 812                         gtk_container_propagate_expose (GTK_CONTAINER (self), priv->headers_box, event);
 813                 if (priv->html_scroll)
 814                         gtk_container_propagate_expose (GTK_CONTAINER (self), priv->html_scroll, event);
 815                 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
 816         }
 817
 818         return FALSE;
 819 }
 820
 821 static void
 822 forall (GtkContainer *container,
 823         gboolean include_internals,
 824         GtkCallback callback,
 825         gpointer userdata)
 826 {
 827         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (container);
 828         g_return_if_fail (callback != NULL);
 829
 830         if (priv->headers_box)
 831                 (*callback) (priv->headers_box, userdata);
 832         if (priv->html_scroll)
 833                 (*callback) (priv->html_scroll, userdata);
 834 }
 835
 836 static void
 837 container_remove (GtkContainer *container,
 838                   GtkWidget *widget)
 839 {
 840         gboolean was_visible = FALSE;
 841         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (container);
 842         was_visible = GTK_WIDGET_VISIBLE (widget);
 843         if (widget == priv->headers_box) {
 844                 gtk_widget_unparent (priv->headers_box);
 845                 priv->headers_box = NULL;
 846         } else if (widget == priv->html_scroll) {
 847                 gtk_widget_unparent (priv->html_scroll);
 848                 priv->html_scroll = NULL;
 849         } else {
 850                 return;
 851         }
 852         if (was_visible)
 853                 gtk_widget_queue_resize (GTK_WIDGET(container));
 854
 855 }
 856
 857 static void
 858 size_request (GtkWidget *widget,
 859               GtkRequisition *req)
 860 {
 861         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (widget);
 862         GtkRequisition child_req;
 863
 864         req->width = 0;
 865         req->height = 0;
 866
 867         gtk_widget_size_request (priv->headers_box, &child_req);
 868         req->width = child_req.width;
 869         req->height += child_req.height;
 870         gtk_widget_size_request (priv->html_scroll, &child_req);
 871         req->width = MAX (child_req.width, req->width);
 872         req->height += child_req.height;
 873
 874 }
 875
 876 static void
 877 size_allocate (GtkWidget *widget,
 878                GtkAllocation *allocation)
 879 {
 880         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (widget);
 881         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 882         gboolean hadj_value_changed, vadj_value_changed;
 883         GtkAllocation headers_allocation, html_allocation, view_allocation;
 884         GtkAdjustment *html_vadj;
 885
 886         if (GTK_WIDGET_MAPPED (widget) &&
 887             priv->shadow_type != GTK_SHADOW_NONE &&
 888             (allocation->width != widget->allocation.width ||
 889              allocation->height != widget->allocation.height))
 890                 gdk_window_invalidate_rect (widget->window, NULL, FALSE);
 891
 892         widget->allocation = *allocation;
 893         set_hadjustment_values (self, &hadj_value_changed);
 894         set_vadjustment_values (self, &vadj_value_changed);
 895
 896         get_view_allocation (self, &view_allocation);
 897
 898         headers_allocation.x = 0;
 899         headers_allocation.y = 0;
 900         headers_allocation.width = view_allocation.width;
 901         if (priv->headers_box)
 902                 headers_allocation.height = GTK_WIDGET (priv->headers_box)->requisition.height;
 903         else
 904                 headers_allocation.height = 0;
 905
 906         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 907
 908         html_allocation.x = 0;
 909         html_allocation.y = headers_allocation.height;
 910         html_allocation.width = view_allocation.width;
 911         html_allocation.height = MAX ((gint) html_vadj->upper, (gint)(priv->vadj->upper - headers_allocation.height));
 912
 913         if (GTK_WIDGET_REALIZED (widget)) {
 914                 gdk_window_move_resize (widget->window,
 915                                         allocation->x,
 916                                         allocation->y,
 917                                         allocation->width,
 918                                         allocation->height);
 919
 920                 gdk_window_move_resize (priv->view_window,
 921                                         view_allocation.x,
 922                                         view_allocation.y,
 923                                         view_allocation.width,
 924                                         view_allocation.height);
 925                 gdk_window_move_resize (priv->headers_window,
 926                                         0,
 927                                         (gint) (- priv->vadj->value),
 928                                         allocation->width,
 929                                         headers_allocation.height);
 930                 gdk_window_move_resize (priv->html_window,
 931                                         (gint) (- priv->hadj->value),
 932                                         (gint) (html_allocation.y - priv->vadj->value),
 933                                         (gint) priv->hadj->upper,
 934                                         html_allocation.height);
 935         }
 936
 937         if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 938                 gtk_widget_size_allocate (priv->headers_box, &headers_allocation);
 939         }
 940         if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 941                 html_allocation.x = 0;
 942                 html_allocation.y = 0;
 943                 html_allocation.width = (gint) priv->hadj->upper;
 944                 html_allocation.height = (gint) priv->vadj->upper - headers_allocation.height;
 945                 gtk_widget_size_allocate (priv->html_scroll, &html_allocation);
 946         }
 947         gtk_adjustment_changed (priv->hadj);
 948         gtk_adjustment_changed (priv->vadj);
 949
 950         if (hadj_value_changed)
 951                 gtk_adjustment_value_changed (priv->hadj);
 952         if (vadj_value_changed)
 953                 gtk_adjustment_value_changed (priv->vadj);
 954
 955 }
 956
 957 static void
 958 adjustment_value_changed (GtkAdjustment *adj, gpointer data)
 959 {
 960         ModestGtkhtmlMsgView *self = NULL;
 961         ModestGtkhtmlMsgViewPrivate *priv = NULL;
 962
 963         g_return_if_fail (GTK_IS_ADJUSTMENT (adj));
 964         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (data));
 965
 966         self = MODEST_GTKHTML_MSG_VIEW (data);
 967         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 968
 969         if (GTK_WIDGET_REALIZED (self)) {
 970                 GtkAdjustment *hadj = get_hadjustment (self);
 971                 GtkAdjustment *vadj = get_vadjustment (self);
 972                 gint headers_offset = 0;
 973
 974                 gtk_widget_queue_resize (priv->html_scroll);
 975
 976                 if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 977                         gint old_x, old_y;
 978                         gint new_x, new_y;
 979                         gdk_window_get_position (priv->headers_window, &old_x, &old_y);
 980                         new_x = 0;
 981                         new_y = -vadj->value;
 982
 983                         headers_offset = GTK_WIDGET(priv->headers_box)->allocation.height;
 984
 985                         if (new_x != old_x || new_y != old_y) {
 986                                 gdk_window_move (priv->headers_window, new_x, new_y);
 987                                 gdk_window_process_updates (priv->headers_window, TRUE);
 988                         }
 989                 }
 990
 991                 if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 992                         gint old_x, old_y;
 993                         gint new_x, new_y;
 994                         gdk_window_get_position (priv->html_window, &old_x, &old_y);
 995                         new_x = -hadj->value;
 996                         new_y = headers_offset - vadj->value;
 997
 998                         if (new_x != old_x || new_y != old_y) {
 999                                 gdk_window_move (priv->html_window, new_x, new_y);
1000                                 gdk_window_process_updates (priv->html_window, TRUE);
1001                         }
1002                 }
1003
1004         }
1005 }
1006
1007 static void
1008 html_adjustment_changed (GtkAdjustment *adj,
1009                          gpointer userdata)
1010 {
1011         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (userdata);
1012         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1013         GtkAdjustment *html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
1014         gboolean vadj_changed;
1015         gint new_height;
1016
1017         g_signal_stop_emission_by_name (G_OBJECT (adj), "changed");
1018
1019         priv->html_scroll->requisition.height = html_vadj->upper;
1020         if (html_vadj->upper == priv->html_scroll->allocation.height)
1021                 return;
1022         priv->html_scroll->allocation.height = html_vadj->upper;
1023
1024         set_vadjustment_values (self, &vadj_changed);
1025
1026         new_height = MAX ((gint) html_vadj->upper, (gint) (priv->vadj->upper - priv->headers_box->allocation.height));
1027
1028         gtk_adjustment_changed (priv->vadj);
1029         if (GTK_WIDGET_DRAWABLE (priv->html_scroll)) {
1030                 gdk_window_resize (priv->html_window, (gint) priv->hadj->upper, (gint) new_height);
1031                 gdk_window_process_updates (priv->view_window, TRUE);
1032                 gtk_container_resize_children (GTK_CONTAINER (self));
1033         }
1034
1035 }
1036
1037 gboolean
1038 idle_readjust_scroll (ModestGtkhtmlMsgView *self)
1039 {
1040
1041         /* We're out the main lock */
1042         gdk_threads_enter ();
1043
1044         if (GTK_WIDGET_DRAWABLE (self)) {
1045                 ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1046                 GtkAdjustment *html_vadj;
1047                 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1048                 html_vadj->page_size = html_vadj->upper;
1049                 gtk_adjustment_changed (html_vadj);
1050                 gtk_widget_queue_resize (GTK_WIDGET (self));
1051                 gtk_widget_queue_draw (GTK_WIDGET (self));
1052
1053                 /* Just another hack for making readjust really work. This forces an update
1054                  * of the scroll, and then, make the scroll really update properly the
1055                  * the size and not corrupt scrollable area */
1056                 gtk_adjustment_set_value (priv->vadj, 1.0);
1057                 gtk_adjustment_set_value (priv->vadj, 0.0);
1058         }
1059         g_object_unref (G_OBJECT (self));
1060
1061         gdk_threads_leave ();
1062
1063         return FALSE;
1064 }
1065
1066 static void
1067 modest_gtkhtml_msg_view_init (ModestGtkhtmlMsgView *obj)
1068 {
1069         ModestGtkhtmlMsgViewPrivate *priv;
1070         GtkAdjustment *html_vadj;
1071         GtkWidget *separator;
1072
1073         GTK_WIDGET_UNSET_FLAGS (obj, GTK_NO_WINDOW);
1074         gtk_widget_set_redraw_on_allocate (GTK_WIDGET (obj), TRUE);
1075         gtk_container_set_reallocate_redraws (GTK_CONTAINER (obj), TRUE);
1076         gtk_container_set_resize_mode (GTK_CONTAINER (obj), GTK_RESIZE_QUEUE);
1077
1078         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(obj);
1079
1080         priv->current_zoom = 1.0;
1081
1082         priv->hadj = NULL;
1083         priv->vadj = NULL;
1084         priv->shadow_type = GTK_SHADOW_IN;
1085         priv->view_window = NULL;
1086         priv->headers_window = NULL;
1087         priv->html_window = NULL;
1088
1089         priv->idle_motion_id = 0;
1090
1091         gtk_widget_push_composite_child ();
1092         priv->html_scroll = gtk_scrolled_window_new (NULL, NULL);
1093         gtk_widget_set_composite_name (priv->html_scroll, "contents");
1094         gtk_widget_pop_composite_child ();
1095         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->html_scroll), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
1096
1097         priv->msg                     = NULL;
1098
1099         priv->body_view                 = GTK_WIDGET (g_object_new (MODEST_TYPE_GTKHTML_MIME_PART_VIEW, NULL));
1100 #ifdef MODEST_TOOLKIT_HILDON2
1101         priv->mail_header_view        = GTK_WIDGET(modest_compact_mail_header_view_new ());
1102 #else
1103         priv->mail_header_view        = GTK_WIDGET(modest_expander_mail_header_view_new (TRUE));
1104 #endif
1105         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1106         priv->attachments_view        = GTK_WIDGET(modest_attachments_view_new (NULL));
1107 #ifdef MODEST_TOOLKIT_HILDON2
1108         modest_attachments_view_set_style (MODEST_ATTACHMENTS_VIEW (priv->attachments_view),
1109                                            MODEST_ATTACHMENTS_VIEW_STYLE_LINKS);
1110 #else
1111         modest_attachments_view_set_style (MODEST_ATTACHMENTS_VIEW (priv->attachments_view),
1112                                            MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE);
1113 #endif
1114
1115         g_signal_connect (G_OBJECT(priv->body_view), "activate_link",
1116                                        G_CALLBACK(on_activate_link), obj);
1117         g_signal_connect (G_OBJECT(priv->body_view), "fetch_url",
1118                                        G_CALLBACK(on_fetch_url), obj);
1119         g_signal_connect (G_OBJECT(priv->body_view), "link_hover",
1120                                        G_CALLBACK(on_link_hover), obj);
1121 #ifdef MAEMO_CHANGES
1122         g_signal_connect (G_OBJECT(priv->body_view), "motion-notify-event",
1123                           G_CALLBACK (motion_notify_event), obj);
1124 #endif
1125         g_signal_connect (G_OBJECT (priv->body_view), "button-press-event",
1126                           G_CALLBACK (button_press_event), obj);
1127         g_signal_connect (G_OBJECT (priv->body_view), "button-release-event",
1128                           G_CALLBACK (button_release_event), obj);
1129
1130         g_signal_connect (G_OBJECT (priv->mail_header_view), "recpt-activated",
1131                           G_CALLBACK (on_recpt_activated), obj);
1132         g_signal_connect (G_OBJECT (priv->mail_header_view), "show-details",
1133                           G_CALLBACK (on_show_details), obj);
1134
1135         g_signal_connect (G_OBJECT (priv->attachments_view), "activate",
1136                           G_CALLBACK (on_attachment_activated), obj);
1137
1138         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
1139
1140         g_signal_connect (G_OBJECT (html_vadj), "changed",
1141                           G_CALLBACK (html_adjustment_changed), obj);
1142
1143         gtk_widget_push_composite_child ();
1144         priv->headers_box = gtk_vbox_new (FALSE, MODEST_MARGIN_DEFAULT);
1145         gtk_widget_set_composite_name (priv->headers_box, "headers");
1146         gtk_widget_pop_composite_child ();
1147
1148         if (priv->mail_header_view)
1149                 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->mail_header_view, FALSE, FALSE, 0);
1150
1151 #ifdef MODEST_TOOLKIT_HILDON2
1152         priv->priority_icon = gtk_image_new ();
1153         gtk_misc_set_alignment (GTK_MISC (priv->priority_icon), 0.0, 0.5);
1154         if (priv->priority_icon) {
1155                 priv->priority_box = (GtkWidget *)
1156                         modest_mail_header_view_add_custom_header (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view),
1157                                                                    _("mcen_me_editor_message_priority"),
1158                                                                    priv->priority_icon,
1159                                                                    FALSE, FALSE);
1160
1161                 gtk_widget_hide_all (priv->priority_box);
1162         }
1163 #endif
1164         if (priv->attachments_view) {
1165 #ifndef MODEST_TOOLKIT_HILDON2
1166                 gchar *att_label = g_strconcat (_("mcen_me_viewer_attachments"), ":", NULL);
1167 #else
1168                 gchar *att_label = g_strconcat (_("mail_va_attachment"), ":", NULL);
1169 #endif
1170
1171                 priv->attachments_box = (GtkWidget *)
1172                         modest_mail_header_view_add_custom_header (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view),
1173                                                                    att_label,
1174                                                                    priv->attachments_view,
1175                                                                    FALSE, FALSE);
1176                 gtk_widget_hide_all (priv->attachments_box);
1177                 g_free (att_label);
1178         }
1179
1180         separator = gtk_hseparator_new ();
1181         gtk_box_pack_start (GTK_BOX(priv->headers_box), separator, FALSE, FALSE, 0);
1182
1183         gtk_widget_set_parent (priv->headers_box, GTK_WIDGET (obj));
1184
1185         if (priv->body_view) {
1186                 gtk_container_add (GTK_CONTAINER (priv->html_scroll), priv->body_view);
1187                 gtk_widget_set_parent (priv->html_scroll, GTK_WIDGET(obj));
1188 #ifdef MAEMO_CHANGES
1189                 gtk_widget_tap_and_hold_setup (GTK_WIDGET (priv->body_view), NULL, NULL, 0);
1190                 g_signal_connect (G_OBJECT (priv->body_view), "tap-and-hold", G_CALLBACK (on_tap_and_hold), obj);
1191                 g_signal_connect (G_OBJECT (priv->body_view), "tap-and-hold-query", G_CALLBACK (on_tap_and_hold_query), obj);
1192 #endif
1193         }
1194
1195 }
1196
1197
1198 static void
1199 modest_gtkhtml_msg_view_finalize (GObject *obj)
1200 {
1201         ModestGtkhtmlMsgViewPrivate *priv;
1202         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (obj);
1203
1204         if (priv->msg) {
1205                 g_object_unref (G_OBJECT(priv->msg));
1206                 priv->msg = NULL;
1207         }
1208
1209         if (priv->idle_motion_id > 0) {
1210                 g_source_remove (priv->idle_motion_id);
1211                 priv->idle_motion_id = 0;
1212         }
1213
1214         /* we cannot disconnect sigs, because priv->body_view is
1215          * already dead */
1216
1217         disconnect_vadjustment (MODEST_GTKHTML_MSG_VIEW(obj));
1218         disconnect_hadjustment (MODEST_GTKHTML_MSG_VIEW(obj));
1219
1220         priv->body_view = NULL;
1221         priv->attachments_view = NULL;
1222
1223         G_OBJECT_CLASS(parent_class)->finalize (obj);
1224 }
1225
1226 static void
1227 modest_gtkhtml_msg_view_destroy (GtkObject *obj)
1228 {
1229         disconnect_vadjustment (MODEST_GTKHTML_MSG_VIEW(obj));
1230         disconnect_hadjustment (MODEST_GTKHTML_MSG_VIEW(obj));
1231
1232         GTK_OBJECT_CLASS(parent_class)->destroy (obj);
1233 }
1234
1235 /* INTERNAL METHODS */
1236
1237 #ifdef MAEMO_CHANGES
1238 static gboolean
1239 motion_notify_event (GtkWidget *widget,
1240                      GdkEventMotion *event,
1241                      gpointer userdata)
1242 {
1243         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (userdata);
1244
1245         /* Use panning information in gtkhtml widget to support also vertical panning */
1246
1247         if (GTK_HTML (widget)->panning) {
1248                 gint y, dy;
1249                 gdouble value;
1250
1251                 gdk_window_get_pointer (GTK_LAYOUT (widget)->bin_window, NULL, &y, NULL);
1252                 dy = y - GTK_HTML (widget)->lasty;
1253                 value = priv->vadj->value - (gdouble) dy;
1254
1255                 if (value < priv->vadj->lower)
1256                         value = priv->vadj->lower;
1257                 else if (value > priv->vadj->upper - priv->vadj->page_size)
1258                         value = priv->vadj->upper - priv->vadj->page_size;
1259                 gtk_adjustment_set_value (priv->vadj, value);
1260
1261         }
1262         return FALSE;
1263 }
1264 #endif
1265
1266 static gboolean
1267 idle_motion (gpointer userdata)
1268 {
1269         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (userdata);
1270         if (GTK_HTML (priv->body_view)->in_selection_drag) {
1271                 gdouble offset;
1272                 GtkAdjustment *adj;
1273                 gint gdk_y;
1274                 gdk_window_get_pointer (gtk_widget_get_parent_window (priv->body_view), NULL, &gdk_y, NULL);
1275                 offset= (gdouble) (priv->headers_box->requisition.height + gdk_y);
1276                 adj = GTK_ADJUSTMENT (priv->vadj);
1277                 if (offset < adj->value + adj->step_increment) {
1278                         gtk_adjustment_set_value (adj, MAX (offset + adj->page_increment - adj->page_size, 0.0));
1279                 } else if (offset > adj->value + adj->page_increment) {
1280                         gtk_adjustment_set_value (adj, MIN (offset - adj->page_increment, adj->upper - adj->page_size));
1281                 }
1282                 gtk_widget_queue_resize (userdata);
1283         }
1284         return TRUE;
1285 }
1286
1287 static gboolean
1288 button_press_event (GtkWidget *widget,
1289                     GdkEventButton *event,
1290                     gpointer userdata)
1291 {
1292         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (userdata);
1293
1294         if (priv->idle_motion_id == 0) {
1295                 priv->idle_motion_id = g_timeout_add (200, idle_motion, userdata);
1296         }
1297         return FALSE;
1298 }
1299
1300 static gboolean
1301 button_release_event (GtkWidget *widget,
1302                       GdkEventButton *event,
1303                       gpointer userdata)
1304 {
1305         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (userdata);
1306
1307         if (priv->idle_motion_id > 0) {
1308                 gint gdk_y;
1309                 g_source_remove (priv->idle_motion_id);
1310
1311                 priv->idle_motion_id = 0;;
1312                 gdk_window_get_pointer (gtk_widget_get_parent_window (priv->body_view), NULL, &gdk_y, NULL);
1313                 event->y = (gdouble) gdk_y;
1314         }
1315         return FALSE;
1316 }
1317
1318 static GtkAdjustment *
1319 get_vadjustment (ModestGtkhtmlMsgView *self)
1320 {
1321         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1322
1323         if (!priv->vadj)
1324                 set_vadjustment (self, NULL);
1325
1326         return priv->vadj;
1327
1328 }
1329
1330 static GtkAdjustment *
1331 get_hadjustment (ModestGtkhtmlMsgView *self)
1332 {
1333         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1334
1335         if (!priv->hadj)
1336                 set_hadjustment (self, NULL);
1337
1338         return priv->hadj;
1339
1340 }
1341
1342 static void
1343 set_hadjustment (ModestGtkhtmlMsgView *self, GtkAdjustment *hadj)
1344 {
1345         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1346         gboolean value_changed;
1347
1348         if (hadj && hadj == priv->hadj)
1349                 return;
1350
1351         if (!hadj)
1352                 hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0));
1353         disconnect_hadjustment (self);
1354         g_object_ref (G_OBJECT (hadj));
1355         gtk_object_sink (GTK_OBJECT (hadj));
1356         priv->hadj = hadj;
1357         set_hadjustment_values (self, &value_changed);
1358
1359         g_signal_connect (hadj, "value_changed", G_CALLBACK (adjustment_value_changed),
1360                           self);
1361
1362         gtk_adjustment_changed (hadj);
1363         if (value_changed)
1364                 gtk_adjustment_value_changed (hadj);
1365         else
1366                 adjustment_value_changed (hadj, self);
1367
1368         g_object_notify (G_OBJECT (self), "hadjustment");
1369 }
1370
1371 static void
1372 set_vadjustment (ModestGtkhtmlMsgView *self, GtkAdjustment *vadj)
1373 {
1374         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1375         gboolean value_changed;
1376
1377         if (vadj && vadj == priv->vadj)
1378                 return;
1379
1380         if (!vadj)
1381                 vadj = (GtkAdjustment *) gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0);
1382         disconnect_vadjustment (self);
1383         g_object_ref (G_OBJECT (vadj));
1384         gtk_object_sink (GTK_OBJECT (vadj));
1385         priv->vadj = vadj;
1386         set_vadjustment_values (self, &value_changed);
1387
1388         g_signal_connect (vadj, "value_changed", G_CALLBACK (adjustment_value_changed),
1389                           self);
1390
1391         gtk_adjustment_changed (vadj);
1392         if (value_changed)
1393                 gtk_adjustment_value_changed (vadj);
1394         else
1395                 adjustment_value_changed (vadj, self);
1396
1397         g_object_notify (G_OBJECT (self), "vadjustment");
1398 }
1399
1400 static void
1401 set_shadow_type (ModestGtkhtmlMsgView *self,
1402                  GtkShadowType shadow_type)
1403 {
1404         ModestGtkhtmlMsgViewPrivate *priv;
1405         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
1406
1407         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1408
1409         if (priv->shadow_type != shadow_type) {
1410                 priv->shadow_type = shadow_type;
1411
1412                 if (GTK_WIDGET_VISIBLE (self)) {
1413                         gtk_widget_size_allocate (GTK_WIDGET (self), &(GTK_WIDGET (self)->allocation));
1414                         gtk_widget_queue_draw (GTK_WIDGET (self));
1415                 }
1416                 g_object_notify (G_OBJECT (self), "shadow-type");
1417         }
1418 }
1419
1420 static GtkShadowType
1421 get_shadow_type (ModestGtkhtmlMsgView *self)
1422 {
1423         ModestGtkhtmlMsgViewPrivate *priv;
1424         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), GTK_SHADOW_NONE);
1425         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1426
1427         return priv->shadow_type;
1428 }
1429
1430 GtkWidget*
1431 modest_msg_view_new (TnyMsg *msg)
1432 {
1433         GObject *obj;
1434         ModestGtkhtmlMsgView* self;
1435
1436         obj  = G_OBJECT(g_object_new(MODEST_TYPE_GTKHTML_MSG_VIEW, NULL));
1437         self = MODEST_GTKHTML_MSG_VIEW(obj);
1438         tny_msg_view_set_msg (TNY_MSG_VIEW (self), msg);
1439
1440         return GTK_WIDGET(self);
1441 }
1442
1443 #ifdef MAEMO_CHANGES
1444 static void
1445 on_tap_and_hold (GtkWidget *widget,
1446                  gpointer data)
1447 {
1448         ModestGtkhtmlMsgView *self = (ModestGtkhtmlMsgView *) data;
1449         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1450
1451         g_signal_emit_by_name (G_OBJECT (self), "link-contextual", priv->last_url);
1452 }
1453
1454 static gboolean
1455 on_tap_and_hold_query (GtkWidget *widget,
1456                        GdkEvent *event,
1457                        gpointer data)
1458 {
1459         ModestGtkhtmlMsgView *self = (ModestGtkhtmlMsgView *) data;
1460         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1461
1462         /* Don't show the tap and hold animation if no url below */
1463         return (priv->last_url == NULL);
1464 }
1465 #endif
1466
1467 static void
1468 on_recpt_activated (ModestMailHeaderView *header_view,
1469                     const gchar *address,
1470                     ModestGtkhtmlMsgView *self)
1471 {
1472         g_signal_emit_by_name (G_OBJECT (self), "recpt-activated", address);
1473 }
1474
1475 static void
1476 on_show_details (ModestMailHeaderView *header_view,
1477                  ModestGtkhtmlMsgView *self)
1478 {
1479         g_signal_emit_by_name (G_OBJECT (self), "show-details");
1480 }
1481
1482 static void
1483 on_attachment_activated (ModestAttachmentsView * att_view, TnyMimePart *mime_part, gpointer self)
1484 {
1485
1486         g_signal_emit_by_name (G_OBJECT(self), "attachment_clicked", mime_part);
1487 }
1488
1489 static void
1490 request_fetch_images (ModestGtkhtmlMsgView *self)
1491 {
1492         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1493         TnyMimePart *part;
1494
1495         /* The message could have not been downloaded yet */
1496         if (priv->msg) {
1497                 modest_mime_part_view_set_view_images (MODEST_MIME_PART_VIEW (priv->body_view), TRUE);
1498                 part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (priv->body_view));
1499                 if (part) {
1500                         tny_mime_part_view_set_part (TNY_MIME_PART_VIEW (priv->body_view), part);
1501                         g_object_unref (part);
1502                 }
1503                 tny_msg_set_allow_external_images (TNY_MSG (priv->msg), TRUE);
1504         }
1505 }
1506
1507 static gboolean
1508 has_blocked_external_images (ModestGtkhtmlMsgView *self)
1509 {
1510         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1511
1512         return (modest_mime_part_view_has_external_images (MODEST_MIME_PART_VIEW (priv->body_view)) &&
1513                 !modest_mime_part_view_get_view_images (MODEST_MIME_PART_VIEW (priv->body_view)));
1514 }
1515
1516 static gboolean
1517 on_activate_link (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMsgView *self)
1518 {
1519         gboolean result;
1520         g_return_val_if_fail (self, FALSE);
1521
1522         g_signal_emit_by_name (G_OBJECT(self), "activate-link", uri, &result);
1523
1524         return result;
1525 }
1526
1527
1528 static gboolean
1529 on_link_hover (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMsgView *self)
1530 {
1531         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1532         gboolean result;
1533
1534         g_free (priv->last_url);
1535         priv->last_url = g_strdup (uri);
1536
1537         g_signal_emit_by_name (G_OBJECT(self), "link-hover", uri, &result);
1538
1539         return result;
1540 }
1541
1542
1543
1544 static TnyMimePart *
1545 find_cid_image (TnyMsg *msg, const gchar *cid)
1546 {
1547         TnyMimePart *part = NULL;
1548         TnyList *parts;
1549         TnyIterator *iter;
1550
1551         g_return_val_if_fail (msg, NULL);
1552         g_return_val_if_fail (cid, NULL);
1553
1554         parts  = TNY_LIST (tny_simple_list_new());
1555
1556         tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
1557         iter   = tny_list_create_iterator (parts);
1558
1559         while (!tny_iterator_is_done(iter)) {
1560                 const gchar *part_cid;
1561
1562                 part = TNY_MIME_PART(tny_iterator_get_current(iter));
1563                 part_cid = tny_mime_part_get_content_id (part);
1564
1565                 /* if there is no content id, try the content location;
1566                  * this is what Outlook seems to use when it converts
1567                  * it's internal richtext to html
1568                  */
1569                 if (!part_cid)
1570                         part_cid = tny_mime_part_get_content_location (part);
1571
1572                 if (part_cid && strcmp (cid, part_cid) == 0)
1573                         break;
1574
1575                 if (tny_mime_part_content_type_is (part, "multipart/related")) {
1576                         TnyList *related_parts = TNY_LIST (tny_simple_list_new ());
1577                         TnyIterator *related_iter = NULL;
1578                         TnyMimePart *related_part = NULL;
1579
1580                         tny_mime_part_get_parts (part, related_parts);
1581                         related_iter = tny_list_create_iterator (related_parts);
1582
1583                         while (!tny_iterator_is_done (related_iter)) {
1584                                 related_part = TNY_MIME_PART (tny_iterator_get_current (related_iter));
1585                                 part_cid = tny_mime_part_get_content_id (related_part);
1586                                 if (part_cid && strcmp (cid, part_cid) == 0) {
1587                                         break;
1588                                 }
1589                                 g_object_unref (related_part);
1590                                 related_part = NULL;
1591                                 tny_iterator_next (related_iter);
1592                         }
1593
1594                         g_object_unref (related_iter);
1595                         g_object_unref (related_parts);
1596                         if (related_part != NULL) {
1597                                 g_object_unref (part);
1598                                 part = related_part;
1599                                 break;
1600                         }
1601                 }
1602
1603                 g_object_unref (G_OBJECT(part));
1604
1605                 part = NULL;
1606                 tny_iterator_next (iter);
1607         }
1608
1609         g_object_unref (G_OBJECT(iter));
1610         g_object_unref (G_OBJECT(parts));
1611
1612         return part;
1613 }
1614
1615
1616 static gboolean
1617 on_fetch_url (GtkWidget *widget, const gchar *uri,
1618               TnyStream *stream, ModestGtkhtmlMsgView *self)
1619 {
1620         ModestGtkhtmlMsgViewPrivate *priv;
1621         const gchar* my_uri;
1622         TnyMimePart *part = NULL;
1623
1624
1625
1626         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1627
1628         /*
1629          * we search for either something starting with cid:, or something
1630          * with no prefix at all; this latter case occurs when sending mails
1631          * with MS Outlook in rich-text mode, and 'attach-as-object
1632          */
1633         if (g_str_has_prefix (uri, "cid:"))
1634                 my_uri = uri + 4;  /* +4 ==> skip "cid:" */
1635         else
1636                 my_uri = uri;
1637
1638         /* now try to find the embedded image */
1639         part = find_cid_image (priv->msg, my_uri);
1640
1641         if (!part) {
1642                 if (g_str_has_prefix (uri, "http:")) {
1643                         if (modest_mime_part_view_get_view_images (MODEST_MIME_PART_VIEW (priv->body_view))) {
1644                                 gboolean result = FALSE;
1645                                 g_signal_emit_by_name (self, "fetch-image", uri, stream, &result);
1646                                 return result;
1647                         } else {
1648                                 /* we return immediately to get a "image not found" icon */
1649                                 tny_stream_close (stream);
1650                                 return TRUE;
1651                         }
1652                 } else {
1653                         return FALSE;
1654                 }
1655         }
1656
1657         tny_mime_part_decode_to_stream ((TnyMimePart*)part, stream, NULL);
1658         tny_stream_close (stream);
1659         g_object_unref (G_OBJECT(part));
1660         return TRUE;
1661 }
1662
1663 static void
1664 set_message (ModestGtkhtmlMsgView *self, TnyMsg *msg)
1665 {
1666         TnyMimePart *body;
1667         ModestGtkhtmlMsgViewPrivate *priv;
1668         TnyHeader *header;
1669         GtkAdjustment *html_vadj;
1670
1671         g_return_if_fail (self);
1672
1673         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(self);
1674         modest_mail_header_view_set_loading (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view), FALSE);
1675         gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
1676         modest_mime_part_view_set_view_images (MODEST_MIME_PART_VIEW (priv->body_view), FALSE);
1677
1678         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1679         html_vadj->upper = 0;
1680         html_vadj->page_size = 0;
1681         g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
1682
1683
1684         if (msg != priv->msg) {
1685                 if (priv->msg)
1686                         g_object_unref (G_OBJECT(priv->msg));
1687                 if (msg)
1688                         g_object_ref   (G_OBJECT(msg));
1689                 priv->msg = msg;
1690         }
1691
1692         if (!msg) {
1693                 tny_header_view_clear (TNY_HEADER_VIEW (priv->mail_header_view));
1694                 modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW (priv->attachments_view), NULL);
1695                 gtk_widget_hide_all (priv->mail_header_view);
1696                 gtk_widget_hide_all (priv->attachments_box);
1697 #ifdef MODEST_TOOKIT_HILDON2
1698                 gtk_widget_hide_all (priv->priority_box);
1699 #endif
1700                 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1701                 tny_mime_part_view_clear (TNY_MIME_PART_VIEW (priv->body_view));
1702                 gtk_widget_queue_resize (GTK_WIDGET(self));
1703                 gtk_widget_queue_draw (GTK_WIDGET(self));
1704                 return;
1705         }
1706
1707         header = tny_msg_get_header (msg);
1708         tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
1709         g_object_unref (header);
1710
1711         modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW(priv->attachments_view),
1712                                              msg);
1713
1714         modest_mime_part_view_set_view_images (MODEST_MIME_PART_VIEW (priv->body_view), tny_msg_get_allow_external_images (msg));
1715
1716         body = modest_tny_msg_find_body_part (msg, TRUE);
1717         if (body) {
1718                 ModestAttachmentsView *widget;
1719
1720                 tny_mime_part_view_set_part (TNY_MIME_PART_VIEW (priv->body_view), body);
1721                 g_object_unref (body);
1722                 widget = MODEST_ATTACHMENTS_VIEW (priv->attachments_view);
1723
1724                 if (modest_attachments_view_has_attachments (widget)) {
1725                         GtkLabel *label;
1726                         GList *children = NULL;
1727                         gchar *text = NULL;
1728                         /* Ugly but... */
1729                         children = gtk_container_get_children (GTK_CONTAINER (priv->attachments_box));
1730                         label = GTK_LABEL (children->data);
1731                         gtk_widget_show_all (priv->attachments_box);
1732                         if (modest_attachments_view_get_num_attachments (widget) > 1) {
1733                                 text = _("mail_va_attachments");
1734                         } else {
1735                                 text = _("mail_va_attachment");
1736                         }
1737                         gtk_label_set_text (label, text);
1738                 } else {
1739                         gtk_widget_hide_all (priv->attachments_box);
1740                 }
1741
1742         } else {
1743                 tny_mime_part_view_clear (TNY_MIME_PART_VIEW (priv->body_view));
1744         }
1745
1746         /* Refresh priority */
1747         set_priority (self, tny_header_get_flags (header));
1748
1749         gtk_widget_show (priv->body_view);
1750 #ifdef MODEST_TOOLKIT_HILDON2
1751         gtk_widget_set_no_show_all (priv->priority_box, TRUE);
1752 #endif
1753         gtk_widget_set_no_show_all (priv->attachments_box, TRUE);
1754         gtk_widget_show_all (priv->mail_header_view);
1755         gtk_widget_set_no_show_all (priv->attachments_box, FALSE);
1756 #ifdef MODEST_TOOLKIT_HILDON2
1757         gtk_widget_set_no_show_all (priv->priority_box, FALSE);
1758 #endif
1759         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1760         gtk_widget_queue_resize (GTK_WIDGET(self));
1761         gtk_widget_queue_draw (GTK_WIDGET(self));
1762
1763         if (priv->hadj != NULL)
1764                 priv->hadj->value = 0.0;
1765         if (priv->vadj != NULL)
1766                 priv->vadj->value = 0.0;
1767
1768         g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
1769
1770         /* This is a hack to force reallocation of scroll after drawing all the stuff. This
1771          * makes the html view get the proper and expected size and prevent being able to scroll
1772          * the buffer when it shouldn't be scrollable */
1773         g_object_ref (self);
1774         g_timeout_add (250, (GSourceFunc) idle_readjust_scroll, self);
1775 }
1776
1777 static void
1778 set_header (ModestGtkhtmlMsgView *self, TnyHeader *header)
1779 {
1780         ModestGtkhtmlMsgViewPrivate *priv;
1781         GtkAdjustment *html_vadj;
1782
1783         g_return_if_fail (self);
1784
1785         if (header == NULL) {
1786                 set_message (self, NULL);
1787                 return;
1788         }
1789
1790         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(self);
1791         modest_mail_header_view_set_loading (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view), TRUE);
1792         gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
1793         modest_mime_part_view_set_view_images (MODEST_MIME_PART_VIEW (priv->body_view), FALSE);
1794
1795         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1796         html_vadj->upper = 0;
1797         html_vadj->page_size = 0;
1798         g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
1799
1800
1801         if (priv->msg) {
1802                 g_object_unref (G_OBJECT(priv->msg));
1803         }
1804         priv->msg = NULL;
1805
1806         tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
1807         modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW (priv->attachments_view), NULL);
1808         gtk_widget_show_all (priv->mail_header_view);
1809         gtk_widget_hide_all (priv->attachments_box);
1810 #ifdef MODEST_TOOLKIT_HILDON2
1811         gtk_widget_hide_all (priv->priority_box);
1812 #endif
1813         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1814         tny_mime_part_view_clear (TNY_MIME_PART_VIEW (priv->body_view));
1815         gtk_widget_queue_resize (GTK_WIDGET(self));
1816         gtk_widget_queue_draw (GTK_WIDGET(self));
1817 }
1818
1819
1820 static TnyMsg*
1821 get_message (ModestGtkhtmlMsgView *self)
1822 {
1823         TnyMsg *msg;
1824
1825         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), NULL);
1826
1827         msg = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(self)->msg;
1828
1829         if (msg)
1830                 g_object_ref (msg);
1831
1832         return msg;
1833 }
1834
1835 static gboolean
1836 is_empty (ModestGtkhtmlMsgView *self)
1837 {
1838         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1839
1840         return modest_mime_part_view_is_empty (MODEST_MIME_PART_VIEW (priv->body_view));
1841 }
1842
1843 static void
1844 set_zoom (ModestGtkhtmlMsgView *self, gdouble zoom)
1845 {
1846         ModestGtkhtmlMsgViewPrivate *priv;
1847
1848         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
1849         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1850
1851         modest_zoomable_set_zoom (MODEST_ZOOMABLE(priv->body_view), zoom);
1852
1853         gtk_widget_queue_resize (priv->body_view);
1854 }
1855
1856 static gdouble
1857 get_zoom (ModestGtkhtmlMsgView *self)
1858 {
1859         ModestGtkhtmlMsgViewPrivate *priv;
1860
1861         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), 1.0);
1862         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1863
1864         return modest_zoomable_get_zoom (MODEST_ZOOMABLE (priv->body_view));
1865 }
1866
1867 static TnyHeaderFlags
1868 get_priority (ModestGtkhtmlMsgView *self)
1869 {
1870         ModestGtkhtmlMsgViewPrivate *priv;
1871
1872         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), 0);
1873
1874         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1875
1876         return modest_mail_header_view_get_priority (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view));
1877 }
1878
1879 static void
1880 set_priority (ModestGtkhtmlMsgView *self, TnyHeaderFlags flags)
1881 {
1882         ModestGtkhtmlMsgViewPrivate *priv;
1883
1884         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
1885         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1886
1887         modest_mail_header_view_set_priority (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view), flags);
1888
1889 #ifdef MODEST_TOOLKIT_HILDON2
1890         gboolean show_priority = FALSE;
1891         TnyHeaderFlags priority_flags;
1892
1893         priority_flags = flags & TNY_HEADER_FLAG_PRIORITY_MASK;
1894         if (priority_flags == TNY_HEADER_FLAG_HIGH_PRIORITY) {
1895                 show_priority = TRUE;
1896                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->priority_icon), MODEST_HEADER_ICON_HIGH, GTK_ICON_SIZE_MENU);
1897         } else if (priority_flags == TNY_HEADER_FLAG_LOW_PRIORITY) {
1898                 show_priority = TRUE;
1899                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->priority_icon), MODEST_HEADER_ICON_LOW, GTK_ICON_SIZE_MENU);
1900         }
1901
1902         if (show_priority && MODEST_IS_COMPACT_MAIL_HEADER_VIEW (priv->mail_header_view)) {
1903                 gtk_widget_show_all  (priv->priority_box);
1904         } else {
1905                 gtk_widget_hide_all (priv->priority_box);
1906         }
1907 #endif
1908
1909 }
1910
1911 /* INCREMENTAL SEARCH IMPLEMENTATION */
1912
1913 static gboolean
1914 search (ModestGtkhtmlMsgView *self, const gchar *search)
1915 {
1916         ModestGtkhtmlMsgViewPrivate *priv;
1917         gboolean result;
1918         GtkAdjustment *vadj, *tmp_vadj;
1919         gdouble y_offset;
1920
1921         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), FALSE);
1922
1923         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1924         vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (priv->body_view));
1925         g_object_ref (vadj);
1926         tmp_vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, vadj->lower, vadj->upper, vadj->step_increment, 32.0, 32.0));
1927         gtk_layout_set_vadjustment (GTK_LAYOUT (priv->body_view), tmp_vadj);
1928         result = modest_isearch_view_search (MODEST_ISEARCH_VIEW (priv->body_view),
1929                                              search);
1930
1931         if (result) {
1932                 gint x, y, w, h;
1933                 gdouble offset_top, offset_bottom;
1934                 GtkAdjustment *adj;
1935                 if (modest_isearch_view_get_selection_area (MODEST_ISEARCH_VIEW (priv->body_view), &x, &y, &w, &h)) {
1936                         offset_top = (gdouble) (priv->headers_box->requisition.height + y);
1937                         offset_bottom = (gdouble) (priv->headers_box->requisition.height + y + h);
1938                         adj = GTK_ADJUSTMENT (priv->vadj);
1939                         if (offset_top < adj->value)
1940                                 gtk_adjustment_set_value (adj, offset_top + adj->page_increment - adj->page_size);
1941                         else if (offset_bottom > adj->value + adj->page_increment)
1942                                 gtk_adjustment_set_value (adj, offset_bottom - adj->page_increment);
1943                 }
1944         }
1945
1946         y_offset = tmp_vadj->value;
1947         gtk_layout_set_vadjustment (GTK_LAYOUT (priv->body_view), vadj);
1948         g_object_unref (vadj);
1949
1950         return result;
1951 }
1952
1953 static gboolean
1954 search_next (ModestGtkhtmlMsgView *self)
1955 {
1956         ModestGtkhtmlMsgViewPrivate *priv;
1957         gboolean result;
1958
1959         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), FALSE);
1960
1961         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1962         result = modest_isearch_view_search_next (MODEST_ISEARCH_VIEW (priv->body_view));
1963
1964         if (result) {
1965                 gint x, y, w, h;
1966                 gdouble offset_top, offset_bottom;
1967                 GtkAdjustment *adj;
1968
1969                 if (modest_isearch_view_get_selection_area (MODEST_ISEARCH_VIEW (priv->body_view), &x, &y, &w, &h)) {
1970                         offset_top = (gdouble) (priv->headers_box->requisition.height + y);
1971                         offset_bottom = (gdouble) (priv->headers_box->requisition.height + y + h);
1972                         adj = GTK_ADJUSTMENT (priv->vadj);
1973                         if (offset_top < adj->value)
1974                                 gtk_adjustment_set_value (adj, offset_top + adj->page_increment - adj->page_size);
1975                         else if (offset_bottom > adj->value + adj->page_increment)
1976                                 gtk_adjustment_set_value (adj, offset_bottom - adj->page_increment);
1977                 }
1978         }
1979         return result;
1980 }
1981
1982 static TnyList *
1983 get_selected_attachments (ModestGtkhtmlMsgView *self)
1984 {
1985         ModestGtkhtmlMsgViewPrivate *priv;
1986
1987         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), NULL);
1988         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1989
1990         return modest_attachments_view_get_selection (MODEST_ATTACHMENTS_VIEW (priv->attachments_view));
1991
1992 }
1993
1994 static TnyList *
1995 get_attachments (ModestGtkhtmlMsgView *self)
1996 {
1997         ModestGtkhtmlMsgViewPrivate *priv;
1998
1999         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), NULL);
2000         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2001
2002         return modest_attachments_view_get_attachments (MODEST_ATTACHMENTS_VIEW (priv->attachments_view));
2003
2004 }
2005
2006 static void
2007 grab_focus (ModestGtkhtmlMsgView *self)
2008 {
2009         ModestGtkhtmlMsgViewPrivate *priv = NULL;
2010
2011         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
2012         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2013
2014         gtk_widget_grab_focus (priv->body_view);
2015 }
2016
2017 static void
2018 remove_attachment (ModestGtkhtmlMsgView *self, TnyMimePart *attachment)
2019 {
2020         ModestGtkhtmlMsgViewPrivate *priv;
2021
2022         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
2023         g_return_if_fail (TNY_IS_MIME_PART (attachment));
2024         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
2025
2026         modest_attachments_view_remove_attachment (MODEST_ATTACHMENTS_VIEW (priv->attachments_view),
2027                                                    attachment);
2028
2029 }
2030
2031 /* TNY HEADER VIEW IMPLEMENTATION */
2032
2033 static void
2034 tny_header_view_init (gpointer g, gpointer iface_data)
2035 {
2036         TnyHeaderViewIface *klass = (TnyHeaderViewIface *)g;
2037
2038         klass->set_header = modest_msg_view_set_header;
2039         klass->clear = modest_msg_view_clear_header;
2040
2041         return;
2042 }
2043
2044 static void
2045 modest_msg_view_set_header (TnyHeaderView *self, TnyHeader *header)
2046 {
2047         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_header_func (self, header);
2048 }
2049
2050
2051 static void
2052 modest_msg_view_set_header_default (TnyHeaderView *self, TnyHeader *header)
2053 {
2054         set_header (MODEST_GTKHTML_MSG_VIEW (self), header);
2055 }
2056
2057 static void
2058 modest_msg_view_clear_header (TnyHeaderView *self)
2059 {
2060         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->clear_header_func (self);
2061 }
2062
2063
2064 static void
2065 modest_msg_view_clear_header_default (TnyHeaderView *self)
2066 {
2067         set_message (MODEST_GTKHTML_MSG_VIEW (self), NULL);
2068 }
2069
2070 /* TNY MSG IMPLEMENTATION */
2071
2072 static void
2073 tny_msg_view_init (gpointer g, gpointer iface_data)
2074 {
2075         TnyMsgViewIface *klass = (TnyMsgViewIface *)g;
2076
2077         klass->get_msg = modest_msg_view_get_msg;
2078         klass->set_msg = modest_msg_view_set_msg;
2079         klass->set_unavailable = modest_msg_view_set_unavailable;
2080         klass->clear = modest_msg_view_clear;
2081         klass->create_mime_part_view_for = modest_msg_view_create_mime_part_view_for;
2082         klass->create_new_inline_viewer = modest_msg_view_create_new_inline_viewer;
2083
2084         return;
2085 }
2086
2087 static TnyMsg *
2088 modest_msg_view_get_msg (TnyMsgView *self)
2089 {
2090         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_msg_func (self);
2091 }
2092
2093 static TnyMsg *
2094 modest_msg_view_get_msg_default (TnyMsgView *self)
2095 {
2096         return TNY_MSG (tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (self)));
2097 }
2098
2099 static void
2100 modest_msg_view_set_msg (TnyMsgView *self, TnyMsg *msg)
2101 {
2102         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_msg_func (self, msg);
2103 }
2104
2105 static void
2106 modest_msg_view_set_msg_default (TnyMsgView *self, TnyMsg *msg)
2107 {
2108
2109         tny_mime_part_view_set_part (TNY_MIME_PART_VIEW (self), TNY_MIME_PART (msg));
2110
2111         return;
2112 }
2113
2114 static void
2115 modest_msg_view_set_unavailable (TnyMsgView *self)
2116 {
2117         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_unavailable_func (self);
2118 }
2119
2120 static void
2121 modest_msg_view_set_unavailable_default (TnyMsgView *self)
2122 {
2123         tny_msg_view_clear (self);
2124
2125         return;
2126 }
2127
2128 static void
2129 modest_msg_view_clear (TnyMsgView *self)
2130 {
2131         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->clear_func (self);
2132 }
2133
2134 static void
2135 modest_msg_view_clear_default (TnyMsgView *self)
2136 {
2137         set_message (MODEST_GTKHTML_MSG_VIEW (self), NULL);
2138 }
2139
2140 static TnyMimePartView*
2141 modest_msg_view_create_mime_part_view_for (TnyMsgView *self, TnyMimePart *part)
2142 {
2143         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->create_mime_part_view_for_func (self, part);
2144 }
2145
2146 static TnyMimePartView*
2147 modest_msg_view_create_mime_part_view_for_default (TnyMsgView *self, TnyMimePart *part)
2148 {
2149         g_warning ("modest_msg_view_create_mime_part_view_for_default is not implemented");
2150         return NULL;
2151 }
2152
2153 static TnyMsgView*
2154 modest_msg_view_create_new_inline_viewer (TnyMsgView *self)
2155 {
2156         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->create_new_inline_viewer_func (self);
2157 }
2158
2159 static TnyMsgView*
2160 modest_msg_view_create_new_inline_viewer_default (TnyMsgView *self)
2161 {
2162         g_warning ("modest_msg_view_create_new_inline_viewer_default is not implemented");
2163
2164         return NULL;
2165 }
2166
2167 /* TNY MIME PART IMPLEMENTATION */
2168
2169 static void
2170 tny_mime_part_view_init (gpointer g, gpointer iface_data)
2171 {
2172         TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
2173
2174         klass->get_part = modest_msg_view_mp_get_part;
2175         klass->set_part = modest_msg_view_mp_set_part;
2176         klass->clear = modest_msg_view_mp_clear;
2177
2178         return;
2179 }
2180
2181 static TnyMimePart*
2182 modest_msg_view_mp_get_part (TnyMimePartView *self)
2183 {
2184         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_part_func (self);
2185 }
2186
2187
2188 static TnyMimePart*
2189 modest_msg_view_mp_get_part_default (TnyMimePartView *self)
2190 {
2191         return TNY_MIME_PART (get_message (MODEST_GTKHTML_MSG_VIEW (self)));
2192 }
2193
2194 static void
2195 modest_msg_view_mp_set_part (TnyMimePartView *self,
2196                              TnyMimePart *part)
2197 {
2198         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_part_func (self, part);
2199 }
2200
2201 static void
2202 modest_msg_view_mp_set_part_default (TnyMimePartView *self,
2203                                      TnyMimePart *part)
2204 {
2205         g_return_if_fail ((part == NULL) || TNY_IS_MSG (part));
2206
2207         set_message (MODEST_GTKHTML_MSG_VIEW (self), TNY_MSG (part));
2208 }
2209
2210 static void
2211 modest_msg_view_mp_clear (TnyMimePartView *self)
2212 {
2213         tny_msg_view_clear (TNY_MSG_VIEW (self));
2214 }
2215
2216 /* MODEST MIME PART VIEW IMPLEMENTATION */
2217
2218 static void
2219 modest_mime_part_view_init (gpointer g, gpointer iface_data)
2220 {
2221         ModestMimePartViewIface *klass = (ModestMimePartViewIface *)g;
2222
2223         klass->is_empty_func = modest_msg_view_mp_is_empty;
2224
2225         return;
2226 }
2227
2228 static gboolean
2229 modest_msg_view_mp_is_empty (ModestMimePartView *self)
2230 {
2231         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->is_empty_func (self);
2232 }
2233
2234 static gboolean
2235 modest_msg_view_mp_is_empty_default (ModestMimePartView *self)
2236 {
2237         return is_empty (MODEST_GTKHTML_MSG_VIEW (self));
2238 }
2239
2240 /* MODEST ZOOMABLE IMPLEMENTATION */
2241 static void
2242 modest_zoomable_init (gpointer g, gpointer iface_data)
2243 {
2244         ModestZoomableIface *klass = (ModestZoomableIface *)g;
2245
2246         klass->get_zoom_func = modest_msg_view_get_zoom;
2247         klass->set_zoom_func = modest_msg_view_set_zoom;
2248         klass->zoom_minus_func = modest_msg_view_zoom_minus;
2249         klass->zoom_plus_func = modest_msg_view_zoom_plus;
2250
2251         return;
2252 }
2253
2254 static gdouble
2255 modest_msg_view_get_zoom (ModestZoomable *self)
2256 {
2257         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_zoom_func (self);
2258 }
2259
2260 static gdouble
2261 modest_msg_view_get_zoom_default (ModestZoomable *self)
2262 {
2263         return get_zoom (MODEST_GTKHTML_MSG_VIEW (self));
2264 }
2265
2266 static void
2267 modest_msg_view_set_zoom (ModestZoomable *self, gdouble value)
2268 {
2269         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_zoom_func (self, value);
2270 }
2271
2272 static void
2273 modest_msg_view_set_zoom_default (ModestZoomable *self, gdouble value)
2274 {
2275         set_zoom (MODEST_GTKHTML_MSG_VIEW (self), value);
2276 }
2277
2278 static gboolean
2279 modest_msg_view_zoom_minus (ModestZoomable *self)
2280 {
2281         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->zoom_minus_func (self);
2282 }
2283
2284 static gboolean
2285 modest_msg_view_zoom_minus_default (ModestZoomable *self)
2286 {
2287         /* operation not supported in ModestMsgView */
2288         return FALSE;
2289 }
2290
2291 static gboolean
2292 modest_msg_view_zoom_plus (ModestZoomable *self)
2293 {
2294         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->zoom_plus_func (self);
2295 }
2296
2297 static gboolean
2298 modest_msg_view_zoom_plus_default (ModestZoomable *self)
2299 {
2300         /* operation not supported in ModestMsgView */
2301         return FALSE;
2302 }
2303
2304 /* MODEST ISEARCH VIEW IMPLEMENTATION */
2305 static void
2306 modest_isearch_view_init (gpointer g, gpointer iface_data)
2307 {
2308         ModestISearchViewIface *klass = (ModestISearchViewIface *)g;
2309
2310         klass->search_func = modest_msg_view_search;
2311         klass->search_next_func = modest_msg_view_search_next;
2312
2313         return;
2314 }
2315
2316 static gboolean
2317 modest_msg_view_search (ModestISearchView *self, const gchar *string)
2318 {
2319         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->search_func (self, string);
2320 }
2321
2322 static gboolean
2323 modest_msg_view_search_default (ModestISearchView *self, const gchar *string)
2324 {
2325         return search (MODEST_GTKHTML_MSG_VIEW (self), string);
2326 }
2327
2328 static gboolean
2329 modest_msg_view_search_next (ModestISearchView *self)
2330 {
2331         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->search_next_func (self);
2332 }
2333
2334 static gboolean
2335 modest_msg_view_search_next_default (ModestISearchView *self)
2336 {
2337         return search_next (MODEST_GTKHTML_MSG_VIEW (self));
2338 }
2339
2340 /* MODEST MSG VIEW IMPLEMENTATION */
2341 static void
2342 modest_msg_view_init (gpointer g, gpointer iface_data)
2343 {
2344         ModestMsgViewIface *klass = (ModestMsgViewIface *)g;
2345
2346         klass->get_vadjustment_func = modest_gtkhtml_msg_view_get_vadjustment;
2347         klass->get_hadjustment_func = modest_gtkhtml_msg_view_get_hadjustment;
2348         klass->set_vadjustment_func = modest_gtkhtml_msg_view_set_vadjustment;
2349         klass->set_hadjustment_func = modest_gtkhtml_msg_view_set_hadjustment;
2350         klass->set_shadow_type_func = modest_gtkhtml_msg_view_set_shadow_type;
2351         klass->get_shadow_type_func = modest_gtkhtml_msg_view_get_shadow_type;
2352         klass->get_priority_func = modest_gtkhtml_msg_view_get_priority;
2353         klass->set_priority_func = modest_gtkhtml_msg_view_set_priority;
2354         klass->get_selected_attachments_func = modest_gtkhtml_msg_view_get_selected_attachments;
2355         klass->get_attachments_func = modest_gtkhtml_msg_view_get_attachments;
2356         klass->grab_focus_func = modest_gtkhtml_msg_view_grab_focus;
2357         klass->remove_attachment_func = modest_gtkhtml_msg_view_remove_attachment;
2358         klass->request_fetch_images_func = modest_gtkhtml_msg_view_request_fetch_images;
2359         klass->has_blocked_external_images_func = modest_gtkhtml_msg_view_has_blocked_external_images;
2360
2361         return;
2362 }
2363
2364 static GtkAdjustment*
2365 modest_gtkhtml_msg_view_get_vadjustment (ModestMsgView *self)
2366 {
2367         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_vadjustment_func (self);
2368 }
2369
2370 static GtkAdjustment*
2371 modest_gtkhtml_msg_view_get_vadjustment_default (ModestMsgView *self)
2372 {
2373         return get_vadjustment (MODEST_GTKHTML_MSG_VIEW (self));
2374 }
2375
2376 static GtkAdjustment*
2377 modest_gtkhtml_msg_view_get_hadjustment (ModestMsgView *self)
2378 {
2379         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_hadjustment_func (self);
2380 }
2381
2382 static GtkAdjustment*
2383 modest_gtkhtml_msg_view_get_hadjustment_default (ModestMsgView *self)
2384 {
2385         return get_hadjustment (MODEST_GTKHTML_MSG_VIEW (self));
2386 }
2387
2388 static void
2389 modest_gtkhtml_msg_view_set_vadjustment (ModestMsgView *self, GtkAdjustment *adj)
2390 {
2391         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_vadjustment_func (self, adj);
2392 }
2393
2394 static void
2395 modest_gtkhtml_msg_view_set_vadjustment_default (ModestMsgView *self, GtkAdjustment *adj)
2396 {
2397         set_vadjustment (MODEST_GTKHTML_MSG_VIEW (self), adj);
2398 }
2399
2400 static void
2401 modest_gtkhtml_msg_view_set_hadjustment (ModestMsgView *self, GtkAdjustment *adj)
2402 {
2403         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_hadjustment_func (self, adj);
2404 }
2405
2406 static void
2407 modest_gtkhtml_msg_view_set_hadjustment_default (ModestMsgView *self, GtkAdjustment *adj)
2408 {
2409         set_hadjustment (MODEST_GTKHTML_MSG_VIEW (self), adj);
2410 }
2411
2412 static void
2413 modest_gtkhtml_msg_view_set_shadow_type (ModestMsgView *self, GtkShadowType type)
2414 {
2415         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_shadow_type_func (self, type);
2416 }
2417
2418 static void
2419 modest_gtkhtml_msg_view_set_shadow_type_default (ModestMsgView *self, GtkShadowType type)
2420 {
2421         set_shadow_type (MODEST_GTKHTML_MSG_VIEW (self), type);
2422 }
2423
2424 static GtkShadowType
2425 modest_gtkhtml_msg_view_get_shadow_type (ModestMsgView *self)
2426 {
2427         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_shadow_type_func (self);
2428 }
2429
2430 static GtkShadowType
2431 modest_gtkhtml_msg_view_get_shadow_type_default (ModestMsgView *self)
2432 {
2433         return get_shadow_type (MODEST_GTKHTML_MSG_VIEW (self));
2434 }
2435
2436 static void
2437 modest_gtkhtml_msg_view_set_priority (ModestMsgView *self, TnyHeaderFlags flags)
2438 {
2439         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_priority_func (self, flags);
2440 }
2441
2442 static void
2443 modest_gtkhtml_msg_view_set_priority_default (ModestMsgView *self, TnyHeaderFlags flags)
2444 {
2445         set_priority (MODEST_GTKHTML_MSG_VIEW (self), flags);
2446 }
2447
2448 static TnyHeaderFlags
2449 modest_gtkhtml_msg_view_get_priority (ModestMsgView *self)
2450 {
2451         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_priority_func (self);
2452 }
2453
2454 static TnyHeaderFlags
2455 modest_gtkhtml_msg_view_get_priority_default (ModestMsgView *self)
2456 {
2457         return get_priority (MODEST_GTKHTML_MSG_VIEW (self));
2458 }
2459
2460 static TnyList*
2461 modest_gtkhtml_msg_view_get_selected_attachments (ModestMsgView *self)
2462 {
2463         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_selected_attachments_func (self);
2464 }
2465
2466 static TnyList*
2467 modest_gtkhtml_msg_view_get_selected_attachments_default (ModestMsgView *self)
2468 {
2469         return get_selected_attachments (MODEST_GTKHTML_MSG_VIEW (self));
2470 }
2471
2472 static TnyList*
2473 modest_gtkhtml_msg_view_get_attachments (ModestMsgView *self)
2474 {
2475         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_attachments_func (self);
2476 }
2477
2478 static TnyList*
2479 modest_gtkhtml_msg_view_get_attachments_default (ModestMsgView *self)
2480 {
2481         return get_attachments (MODEST_GTKHTML_MSG_VIEW (self));
2482 }
2483
2484 static void
2485 modest_gtkhtml_msg_view_grab_focus (ModestMsgView *self)
2486 {
2487         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->grab_focus_func (self);
2488 }
2489
2490 static void
2491 modest_gtkhtml_msg_view_grab_focus_default (ModestMsgView *self)
2492 {
2493         grab_focus (MODEST_GTKHTML_MSG_VIEW (self));
2494 }
2495
2496 static void
2497 modest_gtkhtml_msg_view_remove_attachment (ModestMsgView *self, TnyMimePart *attachment)
2498 {
2499         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->remove_attachment_func (self, attachment);
2500 }
2501
2502 static void
2503 modest_gtkhtml_msg_view_remove_attachment_default (ModestMsgView *self, TnyMimePart *attachment)
2504 {
2505         remove_attachment (MODEST_GTKHTML_MSG_VIEW (self), attachment);
2506 }
2507
2508 static void
2509 modest_gtkhtml_msg_view_request_fetch_images (ModestMsgView *self)
2510 {
2511         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->request_fetch_images_func (self);
2512 }
2513
2514 static void
2515 modest_gtkhtml_msg_view_request_fetch_images_default (ModestMsgView *self)
2516 {
2517         request_fetch_images (MODEST_GTKHTML_MSG_VIEW (self));
2518 }
2519
2520 static gboolean
2521 modest_gtkhtml_msg_view_has_blocked_external_images (ModestMsgView *self)
2522 {
2523         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->has_blocked_external_images_func (self);
2524 }
2525
2526 static gboolean
2527 modest_gtkhtml_msg_view_has_blocked_external_images_default (ModestMsgView *self)
2528 {
2529         return has_blocked_external_images (MODEST_GTKHTML_MSG_VIEW (self));
2530 }