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

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