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         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 637         set_hadjustment (self, hadj);
 638         set_vadjustment (self, vadj);
 639
 640         gtk_container_set_focus_vadjustment (GTK_CONTAINER (priv->body_view), vadj);
 641 }
 642
 643 static void
 644 realize (GtkWidget *widget)
 645 {
 646         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (widget);
 647         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 648         GtkAdjustment *hadj = get_hadjustment (self);
 649         GtkAdjustment *vadj = get_vadjustment (self);
 650         GdkWindowAttr attributes;
 651         gint event_mask;
 652         gint attributes_mask;
 653         GtkAllocation view_allocation;
 654
 655         GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 656
 657         /* The structure of the GdkWindow's is:
 658          *    * widget->window: the shown gdkwindow embedding all the stuff inside
 659          *    * view_window: a backing store gdkwindow containing the headers and contents
 660          *      being scrolled. This window should have all the visible and non visible
 661          *      widgets inside.
 662          *    * headers_window: gdk window for headers_box.
 663          *    * html_window: gdk window for html_scroll (the scrolled window containing the
 664          *      body view showing the contents of the mail).
 665          */
 666
 667         attributes.x = widget->allocation.x;
 668         attributes.y = widget->allocation.y;
 669         attributes.width = widget->allocation.width;
 670         attributes.height = widget->allocation.height;
 671         attributes.window_type = GDK_WINDOW_CHILD;
 672         attributes.wclass = GDK_INPUT_OUTPUT;
 673         attributes.visual = gtk_widget_get_visual (widget);
 674         attributes.colormap = gtk_widget_get_colormap (widget);
 675
 676         event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
 677         attributes.event_mask = event_mask | GDK_BUTTON_PRESS_MASK;
 678         attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 679
 680         widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
 681                                          &attributes, attributes_mask);
 682         gdk_window_set_user_data (widget->window, self);
 683
 684         get_view_allocation (self, &view_allocation);
 685
 686         attributes.x = view_allocation.x;
 687         attributes.y = view_allocation.y;
 688         attributes.width = view_allocation.width;
 689         attributes.height = view_allocation.height;
 690         attributes.event_mask = 0;
 691         priv->view_window = gdk_window_new (widget->window, &attributes, attributes_mask);
 692         gdk_window_set_user_data (priv->view_window, self);
 693         gdk_window_set_back_pixmap (priv->view_window, NULL, FALSE);
 694
 695         attributes.x = -hadj->value;
 696         attributes.y = -vadj->value;
 697         attributes.width = hadj->upper;
 698         if (priv->headers_box)
 699                 attributes.height = GTK_WIDGET (priv->headers_box)->allocation.height;
 700         else
 701                 attributes.height = 1;
 702         attributes.event_mask = event_mask;
 703
 704         priv->headers_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 705         gdk_window_set_user_data (priv->headers_window, self);
 706
 707         if (priv->headers_box)
 708                 gtk_widget_set_parent_window (priv->headers_box, priv->headers_window);
 709
 710         attributes.x = -hadj->value;
 711         if (priv->headers_box)
 712                 attributes.y = GTK_WIDGET (priv->headers_box)->allocation.height - vadj->value;
 713         else
 714                 attributes.y = -vadj->value;
 715         attributes.width = hadj->upper;
 716         if (priv->headers_box)
 717                 attributes.height = vadj->upper - GTK_WIDGET (priv->headers_box)->allocation.height;
 718         else
 719                 attributes.height = vadj->upper;
 720         attributes.event_mask = event_mask;
 721
 722         priv->html_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 723         gdk_window_set_user_data (priv->html_window, self);
 724
 725         if (priv->html_scroll)
 726                 gtk_widget_set_parent_window (priv->html_scroll, priv->html_window);
 727
 728         widget->style = gtk_style_attach (widget->style, widget->window);
 729         gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 730         gtk_style_set_background (widget->style, priv->headers_window, GTK_STATE_NORMAL);
 731         gtk_style_set_background (widget->style, priv->html_window, GTK_STATE_NORMAL);
 732
 733         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 734                            GTK_SHADOW_NONE,
 735                            NULL, widget, "msgviewheaders",
 736                            0,0,-1,-1);
 737         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 738                            GTK_SHADOW_NONE,
 739                            NULL, widget, "msgviewcontents",
 740                            0,0,-1,-1);
 741
 742         gdk_window_show (priv->view_window);
 743         gdk_window_show (priv->headers_window);
 744         gdk_window_show (priv->html_window);
 745
 746 }
 747
 748 static void
 749 unrealize (GtkWidget *widget)
 750 {
 751         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (widget);
 752         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 753
 754         gdk_window_set_user_data (priv->view_window, NULL);
 755         gdk_window_destroy (priv->view_window);
 756         priv->view_window = NULL;
 757
 758         gdk_window_set_user_data (priv->headers_window, NULL);
 759         gdk_window_destroy (priv->headers_window);
 760         priv->headers_window = NULL;
 761
 762         gdk_window_set_user_data (priv->html_window, NULL);
 763         gdk_window_destroy (priv->html_window);
 764         priv->html_window = NULL;
 765
 766         if (GTK_WIDGET_CLASS (parent_class)->unrealize)
 767                 ( * GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
 768
 769 }
 770
 771 static gint
 772 expose (GtkWidget *widget,
 773         GdkEventExpose *event)
 774 {
 775         ModestGtkhtmlMsgView *self;
 776         ModestGtkhtmlMsgViewPrivate *priv;
 777
 778         if (GTK_WIDGET_DRAWABLE (widget)) {
 779                 self = MODEST_GTKHTML_MSG_VIEW (widget);
 780                 priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 781                 if (event->window == widget->window) {
 782                         gtk_paint_shadow (widget->style, widget->window,
 783                                           GTK_STATE_NORMAL, priv->shadow_type,
 784                                           &event->area, widget, "msgview",
 785                                           0,0,-1,-1);
 786                 } else if (event->window == priv->headers_window) {
 787                         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 788                                            GTK_SHADOW_NONE,
 789                                            &event->area, widget, "msgviewheaders",
 790                                            0,0,-1,-1);
 791                 } else if (event->window == priv->html_window) {
 792                         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 793                                            GTK_SHADOW_NONE,
 794                                            &event->area, widget, "msgviewcontents",
 795                                            0,0,-1,-1);
 796                 }
 797                 if (priv->headers_box)
 798                         gtk_container_propagate_expose (GTK_CONTAINER (self), priv->headers_box, event);
 799                 if (priv->html_scroll)
 800                         gtk_container_propagate_expose (GTK_CONTAINER (self), priv->html_scroll, event);
 801                 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
 802         }
 803
 804         return FALSE;
 805 }
 806
 807 static void
 808 forall (GtkContainer *container,
 809         gboolean include_internals,
 810         GtkCallback callback,
 811         gpointer userdata)
 812 {
 813         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (container);
 814         g_return_if_fail (callback != NULL);
 815
 816         if (priv->headers_box)
 817                 (*callback) (priv->headers_box, userdata);
 818         if (priv->html_scroll)
 819                 (*callback) (priv->html_scroll, userdata);
 820 }
 821
 822 static void
 823 container_remove (GtkContainer *container,
 824                   GtkWidget *widget)
 825 {
 826         gboolean was_visible = FALSE;
 827         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (container);
 828         was_visible = GTK_WIDGET_VISIBLE (widget);
 829         if (widget == priv->headers_box) {
 830                 gtk_widget_unparent (priv->headers_box);
 831                 priv->headers_box = NULL;
 832         } else if (widget == priv->html_scroll) {
 833                 gtk_widget_unparent (priv->html_scroll);
 834                 priv->html_scroll = NULL;
 835         } else {
 836                 return;
 837         }
 838         if (was_visible)
 839                 gtk_widget_queue_resize (GTK_WIDGET(container));
 840
 841 }
 842
 843 static void
 844 size_request (GtkWidget *widget,
 845               GtkRequisition *req)
 846 {
 847         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (widget);
 848         GtkRequisition child_req;
 849
 850         req->width = 0;
 851         req->height = 0;
 852
 853         gtk_widget_size_request (priv->headers_box, &child_req);
 854         req->width = child_req.width;
 855         req->height += child_req.height;
 856         gtk_widget_size_request (priv->html_scroll, &child_req);
 857         req->width = MAX (child_req.width, req->width);
 858         req->height += child_req.height;
 859
 860 }
 861
 862 static void
 863 size_allocate (GtkWidget *widget,
 864                GtkAllocation *allocation)
 865 {
 866         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (widget);
 867         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 868         gboolean hadj_value_changed, vadj_value_changed;
 869         GtkAllocation headers_allocation, html_allocation, view_allocation;
 870         GtkAdjustment *html_vadj;
 871
 872         if (GTK_WIDGET_MAPPED (widget) &&
 873             priv->shadow_type != GTK_SHADOW_NONE &&
 874             (allocation->width != widget->allocation.width ||
 875              allocation->height != widget->allocation.height))
 876                 gdk_window_invalidate_rect (widget->window, NULL, FALSE);
 877
 878         widget->allocation = *allocation;
 879         set_hadjustment_values (self, &hadj_value_changed);
 880         set_vadjustment_values (self, &vadj_value_changed);
 881
 882         get_view_allocation (self, &view_allocation);
 883
 884         headers_allocation.x = 0;
 885         headers_allocation.y = 0;
 886         headers_allocation.width = view_allocation.width;
 887         if (priv->headers_box)
 888                 headers_allocation.height = GTK_WIDGET (priv->headers_box)->requisition.height;
 889         else
 890                 headers_allocation.height = 0;
 891
 892         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 893
 894         html_allocation.x = 0;
 895         html_allocation.y = headers_allocation.height;
 896         html_allocation.width = view_allocation.width;
 897         html_allocation.height = MAX ((gint) html_vadj->upper, (gint)(priv->vadj->upper - headers_allocation.height));
 898
 899         if (GTK_WIDGET_REALIZED (widget)) {
 900                 gdk_window_move_resize (widget->window,
 901                                         allocation->x,
 902                                         allocation->y,
 903                                         allocation->width,
 904                                         allocation->height);
 905
 906                 gdk_window_move_resize (priv->view_window,
 907                                         view_allocation.x,
 908                                         view_allocation.y,
 909                                         view_allocation.width,
 910                                         view_allocation.height);
 911                 gdk_window_move_resize (priv->headers_window,
 912                                         0,
 913                                         (gint) (- priv->vadj->value),
 914                                         allocation->width,
 915                                         headers_allocation.height);
 916                 gdk_window_move_resize (priv->html_window,
 917                                         (gint) (- priv->hadj->value),
 918                                         (gint) (html_allocation.y - priv->vadj->value),
 919                                         (gint) priv->hadj->upper,
 920                                         html_allocation.height);
 921         }
 922
 923         if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 924                 gtk_widget_size_allocate (priv->headers_box, &headers_allocation);
 925         }
 926         if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 927                 html_allocation.x = 0;
 928                 html_allocation.y = 0;
 929                 html_allocation.width = (gint) priv->hadj->upper;
 930                 html_allocation.height = (gint) priv->vadj->upper - headers_allocation.height;
 931                 gtk_widget_size_allocate (priv->html_scroll, &html_allocation);
 932         }
 933         gtk_adjustment_changed (priv->hadj);
 934         gtk_adjustment_changed (priv->vadj);
 935
 936         if (hadj_value_changed)
 937                 gtk_adjustment_value_changed (priv->hadj);
 938         if (vadj_value_changed)
 939                 gtk_adjustment_value_changed (priv->vadj);
 940
 941 }
 942
 943 static void
 944 adjustment_value_changed (GtkAdjustment *adj, gpointer data)
 945 {
 946         ModestGtkhtmlMsgView *self = NULL;
 947         ModestGtkhtmlMsgViewPrivate *priv = NULL;
 948
 949         g_return_if_fail (GTK_IS_ADJUSTMENT (adj));
 950         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (data));
 951
 952         self = MODEST_GTKHTML_MSG_VIEW (data);
 953         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 954
 955         if (GTK_WIDGET_REALIZED (self)) {
 956                 GtkAdjustment *hadj = get_hadjustment (self);
 957                 GtkAdjustment *vadj = get_vadjustment (self);
 958                 gint headers_offset = 0;
 959
 960                 gtk_widget_queue_resize (priv->html_scroll);
 961
 962                 if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 963                         gint old_x, old_y;
 964                         gint new_x, new_y;
 965                         gdk_window_get_position (priv->headers_window, &old_x, &old_y);
 966                         new_x = 0;
 967                         new_y = -vadj->value;
 968
 969                         headers_offset = GTK_WIDGET(priv->headers_box)->allocation.height;
 970
 971                         if (new_x != old_x || new_y != old_y) {
 972                                 gdk_window_move (priv->headers_window, new_x, new_y);
 973                                 gdk_window_process_updates (priv->headers_window, TRUE);
 974                         }
 975                 }
 976
 977                 if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 978                         gint old_x, old_y;
 979                         gint new_x, new_y;
 980                         gdk_window_get_position (priv->html_window, &old_x, &old_y);
 981                         new_x = -hadj->value;
 982                         new_y = headers_offset - vadj->value;
 983
 984                         if (new_x != old_x || new_y != old_y) {
 985                                 gdk_window_move (priv->html_window, new_x, new_y);
 986                                 gdk_window_process_updates (priv->html_window, TRUE);
 987                         }
 988                 }
 989
 990         }
 991 }
 992
 993 static void
 994 html_adjustment_changed (GtkAdjustment *adj,
 995                          gpointer userdata)
 996 {
 997         ModestGtkhtmlMsgView *self = MODEST_GTKHTML_MSG_VIEW (userdata);
 998         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
 999         GtkAdjustment *html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
1000         gboolean vadj_changed;
1001         gint new_height;
1002
1003         g_signal_stop_emission_by_name (G_OBJECT (adj), "changed");
1004
1005         priv->html_scroll->requisition.height = html_vadj->upper;
1006         if (html_vadj->upper == priv->html_scroll->allocation.height)
1007                 return;
1008         priv->html_scroll->allocation.height = html_vadj->upper;
1009
1010         set_vadjustment_values (self, &vadj_changed);
1011
1012         new_height = MAX ((gint) html_vadj->upper, (gint) (priv->vadj->upper - priv->headers_box->allocation.height));
1013
1014         gtk_adjustment_changed (priv->vadj);
1015         if (GTK_WIDGET_DRAWABLE (priv->html_scroll)) {
1016                 gdk_window_resize (priv->html_window, (gint) priv->hadj->upper, (gint) new_height);
1017                 gdk_window_process_updates (priv->view_window, TRUE);
1018                 gtk_container_resize_children (GTK_CONTAINER (self));
1019         }
1020
1021 }
1022
1023 gboolean
1024 idle_readjust_scroll (ModestGtkhtmlMsgView *self)
1025 {
1026
1027         /* We're out the main lock */
1028         gdk_threads_enter ();
1029
1030         if (GTK_WIDGET_DRAWABLE (self)) {
1031                 ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1032                 GtkAdjustment *html_vadj;
1033                 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1034                 html_vadj->page_size = html_vadj->upper;
1035                 gtk_adjustment_changed (html_vadj);
1036                 gtk_widget_queue_resize (GTK_WIDGET (self));
1037                 gtk_widget_queue_draw (GTK_WIDGET (self));
1038
1039                 /* Just another hack for making readjust really work. This forces an update
1040                  * of the scroll, and then, make the scroll really update properly the
1041                  * the size and not corrupt scrollable area */
1042                 gtk_adjustment_set_value (priv->vadj, 1.0);
1043                 gtk_adjustment_set_value (priv->vadj, 0.0);
1044         }
1045         g_object_unref (G_OBJECT (self));
1046
1047         gdk_threads_leave ();
1048
1049         return FALSE;
1050 }
1051
1052 static void
1053 modest_gtkhtml_msg_view_init (ModestGtkhtmlMsgView *obj)
1054 {
1055         ModestGtkhtmlMsgViewPrivate *priv;
1056         GtkAdjustment *html_vadj;
1057         GtkWidget *separator;
1058
1059         GTK_WIDGET_UNSET_FLAGS (obj, GTK_NO_WINDOW);
1060         gtk_widget_set_redraw_on_allocate (GTK_WIDGET (obj), TRUE);
1061         gtk_container_set_reallocate_redraws (GTK_CONTAINER (obj), TRUE);
1062         gtk_container_set_resize_mode (GTK_CONTAINER (obj), GTK_RESIZE_QUEUE);
1063
1064         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(obj);
1065
1066         priv->current_zoom = 1.0;
1067
1068         priv->hadj = NULL;
1069         priv->vadj = NULL;
1070         priv->shadow_type = GTK_SHADOW_IN;
1071         priv->view_window = NULL;
1072         priv->headers_window = NULL;
1073         priv->html_window = NULL;
1074
1075         priv->idle_motion_id = 0;
1076
1077         gtk_widget_push_composite_child ();
1078         priv->html_scroll = gtk_scrolled_window_new (NULL, NULL);
1079         gtk_widget_set_composite_name (priv->html_scroll, "contents");
1080         gtk_widget_pop_composite_child ();
1081         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->html_scroll), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
1082
1083         priv->msg                     = NULL;
1084
1085         priv->body_view                 = GTK_WIDGET (g_object_new (MODEST_TYPE_GTKHTML_MIME_PART_VIEW, NULL));
1086 #ifdef MODEST_TOOLKIT_HILDON2
1087         priv->mail_header_view        = GTK_WIDGET(modest_compact_mail_header_view_new ());
1088 #else
1089         priv->mail_header_view        = GTK_WIDGET(modest_expander_mail_header_view_new (TRUE));
1090 #endif
1091         priv->view_images_button = gtk_button_new_with_label (_("mail_bd_external_images"));
1092 #ifdef MODEST_TOOLKIT_HILDON2
1093         hildon_gtk_widget_set_theme_size (priv->view_images_button,
1094                                           HILDON_SIZE_HALFSCREEN_WIDTH | HILDON_SIZE_FINGER_HEIGHT);
1095 #endif
1096         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1097         gtk_widget_set_no_show_all (priv->view_images_button, TRUE);
1098         priv->attachments_view        = GTK_WIDGET(modest_attachments_view_new (NULL));
1099 #ifdef MODEST_TOOLKIT_HILDON2
1100         modest_attachments_view_set_style (MODEST_ATTACHMENTS_VIEW (priv->attachments_view),
1101                                            MODEST_ATTACHMENTS_VIEW_STYLE_LINKS);
1102 #else
1103         modest_attachments_view_set_style (MODEST_ATTACHMENTS_VIEW (priv->attachments_view),
1104                                            MODEST_ATTACHMENTS_VIEW_STYLE_SELECTABLE);
1105 #endif
1106
1107         g_signal_connect (G_OBJECT(priv->body_view), "activate_link",
1108                                        G_CALLBACK(on_activate_link), obj);
1109         g_signal_connect (G_OBJECT(priv->body_view), "fetch_url",
1110                                        G_CALLBACK(on_fetch_url), obj);
1111         g_signal_connect (G_OBJECT(priv->body_view), "link_hover",
1112                                        G_CALLBACK(on_link_hover), obj);
1113 #ifdef MAEMO_CHANGES
1114         g_signal_connect (G_OBJECT(priv->body_view), "motion-notify-event",
1115                           G_CALLBACK (motion_notify_event), obj);
1116 #endif
1117         g_signal_connect (G_OBJECT (priv->body_view), "button-press-event",
1118                           G_CALLBACK (button_press_event), obj);
1119         g_signal_connect (G_OBJECT (priv->body_view), "button-release-event",
1120                           G_CALLBACK (button_release_event), obj);
1121
1122         g_signal_connect (G_OBJECT (priv->mail_header_view), "recpt-activated",
1123                           G_CALLBACK (on_recpt_activated), obj);
1124         g_signal_connect (G_OBJECT (priv->mail_header_view), "show-details",
1125                           G_CALLBACK (on_show_details), obj);
1126
1127         g_signal_connect (G_OBJECT (priv->attachments_view), "activate",
1128                           G_CALLBACK (on_attachment_activated), obj);
1129
1130         g_signal_connect (G_OBJECT (priv->view_images_button), "clicked",
1131                           G_CALLBACK (on_view_images_clicked), obj);
1132
1133         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
1134
1135         g_signal_connect (G_OBJECT (html_vadj), "changed",
1136                           G_CALLBACK (html_adjustment_changed), obj);
1137
1138         gtk_widget_push_composite_child ();
1139         priv->headers_box = gtk_vbox_new (FALSE, MODEST_MARGIN_DEFAULT);
1140         gtk_widget_set_composite_name (priv->headers_box, "headers");
1141         gtk_widget_pop_composite_child ();
1142
1143         if (priv->mail_header_view)
1144                 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->mail_header_view, FALSE, FALSE, 0);
1145         if (priv->view_images_button) {
1146                 GtkWidget *hbuttonbox;
1147
1148                 hbuttonbox = gtk_hbutton_box_new ();
1149                 gtk_container_add (GTK_CONTAINER (hbuttonbox), priv->view_images_button);
1150 #ifdef MODEST_TOOLKIT_HILDON2
1151                 gtk_button_box_set_layout (GTK_BUTTON_BOX (hbuttonbox), GTK_BUTTONBOX_START);
1152                 gtk_box_pack_start (GTK_BOX (priv->headers_box), hbuttonbox, TRUE, TRUE, 0);
1153 #else
1154                 gtk_box_pack_start (GTK_BOX (priv->headers_box), hbuttonbox, FALSE, FALSE, 0);
1155 #endif
1156                 gtk_widget_hide (priv->view_images_button);
1157         }
1158
1159         if (priv->attachments_view) {
1160 #ifndef MODEST_TOOLKIT_HILDON2
1161                 gchar *att_label = g_strconcat (_("mcen_me_viewer_attachments"), ":", NULL);
1162 #else
1163                 gchar *att_label = g_strconcat (_("mail_va_attachment"), ":", NULL);
1164 #endif
1165
1166                 priv->attachments_box = (GtkWidget *)
1167                         modest_mail_header_view_add_custom_header (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view),
1168                                                                    att_label,
1169                                                                    priv->attachments_view,
1170                                                                    FALSE, FALSE);
1171                 gtk_widget_hide_all (priv->attachments_box);
1172                 g_free (att_label);
1173         }
1174
1175         separator = gtk_hseparator_new ();
1176         gtk_box_pack_start (GTK_BOX(priv->headers_box), separator, FALSE, FALSE, 0);
1177
1178         gtk_widget_set_parent (priv->headers_box, GTK_WIDGET (obj));
1179
1180         if (priv->body_view) {
1181                 gtk_container_add (GTK_CONTAINER (priv->html_scroll), priv->body_view);
1182                 gtk_widget_set_parent (priv->html_scroll, GTK_WIDGET(obj));
1183 #ifdef MAEMO_CHANGES
1184                 gtk_widget_tap_and_hold_setup (GTK_WIDGET (priv->body_view), NULL, NULL, 0);
1185                 g_signal_connect (G_OBJECT (priv->body_view), "tap-and-hold", G_CALLBACK (on_tap_and_hold), obj);
1186                 g_signal_connect (G_OBJECT (priv->body_view), "tap-and-hold-query", G_CALLBACK (on_tap_and_hold_query), obj);
1187 #endif
1188         }
1189
1190 }
1191
1192
1193 static void
1194 modest_gtkhtml_msg_view_finalize (GObject *obj)
1195 {
1196         ModestGtkhtmlMsgViewPrivate *priv;
1197         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (obj);
1198
1199         if (priv->msg) {
1200                 g_object_unref (G_OBJECT(priv->msg));
1201                 priv->msg = NULL;
1202         }
1203
1204         if (priv->idle_motion_id > 0) {
1205                 g_source_remove (priv->idle_motion_id);
1206                 priv->idle_motion_id = 0;
1207         }
1208
1209         /* we cannot disconnect sigs, because priv->body_view is
1210          * already dead */
1211
1212         disconnect_vadjustment (MODEST_GTKHTML_MSG_VIEW(obj));
1213         disconnect_hadjustment (MODEST_GTKHTML_MSG_VIEW(obj));
1214
1215         priv->body_view = NULL;
1216         priv->attachments_view = NULL;
1217
1218         G_OBJECT_CLASS(parent_class)->finalize (obj);
1219 }
1220
1221 static void
1222 modest_gtkhtml_msg_view_destroy (GtkObject *obj)
1223 {
1224         disconnect_vadjustment (MODEST_GTKHTML_MSG_VIEW(obj));
1225         disconnect_hadjustment (MODEST_GTKHTML_MSG_VIEW(obj));
1226
1227         GTK_OBJECT_CLASS(parent_class)->destroy (obj);
1228 }
1229
1230 /* INTERNAL METHODS */
1231
1232 #ifdef MAEMO_CHANGES
1233 static gboolean
1234 motion_notify_event (GtkWidget *widget,
1235                      GdkEventMotion *event,
1236                      gpointer userdata)
1237 {
1238         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (userdata);
1239
1240         /* Use panning information in gtkhtml widget to support also vertical panning */
1241
1242         if (GTK_HTML (widget)->panning) {
1243                 gint y, dy;
1244                 gdouble value;
1245
1246                 gdk_window_get_pointer (GTK_LAYOUT (widget)->bin_window, NULL, &y, NULL);
1247                 dy = y - GTK_HTML (widget)->lasty;
1248                 value = priv->vadj->value - (gdouble) dy;
1249
1250                 if (value < priv->vadj->lower)
1251                         value = priv->vadj->lower;
1252                 else if (value > priv->vadj->upper - priv->vadj->page_size)
1253                         value = priv->vadj->upper - priv->vadj->page_size;
1254                 gtk_adjustment_set_value (priv->vadj, value);
1255
1256         }
1257         return FALSE;
1258 }
1259 #endif
1260
1261 static gboolean
1262 idle_motion (gpointer userdata)
1263 {
1264         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (userdata);
1265         if (GTK_HTML (priv->body_view)->in_selection_drag) {
1266                 gdouble offset;
1267                 GtkAdjustment *adj;
1268                 gint gdk_y;
1269                 gdk_window_get_pointer (gtk_widget_get_parent_window (priv->body_view), NULL, &gdk_y, NULL);
1270                 offset= (gdouble) (priv->headers_box->requisition.height + gdk_y);
1271                 adj = GTK_ADJUSTMENT (priv->vadj);
1272                 if (offset < adj->value + adj->step_increment) {
1273                         gtk_adjustment_set_value (adj, MAX (offset + adj->page_increment - adj->page_size, 0.0));
1274                 } else if (offset > adj->value + adj->page_increment) {
1275                         gtk_adjustment_set_value (adj, MIN (offset - adj->page_increment, adj->upper - adj->page_size));
1276                 }
1277                 gtk_widget_queue_resize (userdata);
1278         }
1279         return TRUE;
1280 }
1281
1282 static gboolean
1283 button_press_event (GtkWidget *widget,
1284                     GdkEventButton *event,
1285                     gpointer userdata)
1286 {
1287         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (userdata);
1288
1289         if (priv->idle_motion_id == 0) {
1290                 priv->idle_motion_id = g_timeout_add (200, idle_motion, userdata);
1291         }
1292         return FALSE;
1293 }
1294
1295 static gboolean
1296 button_release_event (GtkWidget *widget,
1297                       GdkEventButton *event,
1298                       gpointer userdata)
1299 {
1300         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (userdata);
1301
1302         if (priv->idle_motion_id > 0) {
1303                 gint gdk_y;
1304                 g_source_remove (priv->idle_motion_id);
1305
1306                 priv->idle_motion_id = 0;;
1307                 gdk_window_get_pointer (gtk_widget_get_parent_window (priv->body_view), NULL, &gdk_y, NULL);
1308                 event->y = (gdouble) gdk_y;
1309         }
1310         return FALSE;
1311 }
1312
1313 static GtkAdjustment *
1314 get_vadjustment (ModestGtkhtmlMsgView *self)
1315 {
1316         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1317
1318         if (!priv->vadj)
1319                 set_vadjustment (self, NULL);
1320
1321         return priv->vadj;
1322
1323 }
1324
1325 static GtkAdjustment *
1326 get_hadjustment (ModestGtkhtmlMsgView *self)
1327 {
1328         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1329
1330         if (!priv->hadj)
1331                 set_hadjustment (self, NULL);
1332
1333         return priv->hadj;
1334
1335 }
1336
1337 static void
1338 set_hadjustment (ModestGtkhtmlMsgView *self, GtkAdjustment *hadj)
1339 {
1340         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1341         gboolean value_changed;
1342
1343         if (hadj && hadj == priv->hadj)
1344                 return;
1345
1346         if (!hadj)
1347                 hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0));
1348         disconnect_hadjustment (self);
1349         g_object_ref (G_OBJECT (hadj));
1350         gtk_object_sink (GTK_OBJECT (hadj));
1351         priv->hadj = hadj;
1352         set_hadjustment_values (self, &value_changed);
1353
1354         g_signal_connect (hadj, "value_changed", G_CALLBACK (adjustment_value_changed),
1355                           self);
1356
1357         gtk_adjustment_changed (hadj);
1358         if (value_changed)
1359                 gtk_adjustment_value_changed (hadj);
1360         else
1361                 adjustment_value_changed (hadj, self);
1362
1363         g_object_notify (G_OBJECT (self), "hadjustment");
1364 }
1365
1366 static void
1367 set_vadjustment (ModestGtkhtmlMsgView *self, GtkAdjustment *vadj)
1368 {
1369         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1370         gboolean value_changed;
1371
1372         if (vadj && vadj == priv->vadj)
1373                 return;
1374
1375         if (!vadj)
1376                 vadj = (GtkAdjustment *) gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0);
1377         disconnect_vadjustment (self);
1378         g_object_ref (G_OBJECT (vadj));
1379         gtk_object_sink (GTK_OBJECT (vadj));
1380         priv->vadj = vadj;
1381         set_vadjustment_values (self, &value_changed);
1382
1383         g_signal_connect (vadj, "value_changed", G_CALLBACK (adjustment_value_changed),
1384                           self);
1385
1386         gtk_adjustment_changed (vadj);
1387         if (value_changed)
1388                 gtk_adjustment_value_changed (vadj);
1389         else
1390                 adjustment_value_changed (vadj, self);
1391
1392         g_object_notify (G_OBJECT (self), "vadjustment");
1393 }
1394
1395 static void
1396 set_shadow_type (ModestGtkhtmlMsgView *self,
1397                  GtkShadowType shadow_type)
1398 {
1399         ModestGtkhtmlMsgViewPrivate *priv;
1400         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
1401
1402         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1403
1404         if (priv->shadow_type != shadow_type) {
1405                 priv->shadow_type = shadow_type;
1406
1407                 if (GTK_WIDGET_VISIBLE (self)) {
1408                         gtk_widget_size_allocate (GTK_WIDGET (self), &(GTK_WIDGET (self)->allocation));
1409                         gtk_widget_queue_draw (GTK_WIDGET (self));
1410                 }
1411                 g_object_notify (G_OBJECT (self), "shadow-type");
1412         }
1413 }
1414
1415 static GtkShadowType
1416 get_shadow_type (ModestGtkhtmlMsgView *self)
1417 {
1418         ModestGtkhtmlMsgViewPrivate *priv;
1419         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), GTK_SHADOW_NONE);
1420         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1421
1422         return priv->shadow_type;
1423 }
1424
1425 GtkWidget*
1426 modest_msg_view_new (TnyMsg *msg)
1427 {
1428         GObject *obj;
1429         ModestGtkhtmlMsgView* self;
1430
1431         obj  = G_OBJECT(g_object_new(MODEST_TYPE_GTKHTML_MSG_VIEW, NULL));
1432         self = MODEST_GTKHTML_MSG_VIEW(obj);
1433         tny_msg_view_set_msg (TNY_MSG_VIEW (self), msg);
1434
1435         return GTK_WIDGET(self);
1436 }
1437
1438 #ifdef MAEMO_CHANGES
1439 static void
1440 on_tap_and_hold (GtkWidget *widget,
1441                  gpointer data)
1442 {
1443         ModestGtkhtmlMsgView *self = (ModestGtkhtmlMsgView *) data;
1444         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1445
1446         g_signal_emit_by_name (G_OBJECT (self), "link-contextual", priv->last_url);
1447 }
1448
1449 static gboolean
1450 on_tap_and_hold_query (GtkWidget *widget,
1451                        GdkEvent *event,
1452                        gpointer data)
1453 {
1454         ModestGtkhtmlMsgView *self = (ModestGtkhtmlMsgView *) data;
1455         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1456
1457         /* Don't show the tap and hold animation if no url below */
1458         return (priv->last_url == NULL);
1459 }
1460 #endif
1461
1462 static void
1463 on_recpt_activated (ModestMailHeaderView *header_view,
1464                     const gchar *address,
1465                     ModestGtkhtmlMsgView *self)
1466 {
1467         g_signal_emit_by_name (G_OBJECT (self), "recpt-activated", address);
1468 }
1469
1470 static void
1471 on_show_details (ModestMailHeaderView *header_view,
1472                  ModestGtkhtmlMsgView *self)
1473 {
1474         g_signal_emit_by_name (G_OBJECT (self), "show-details");
1475 }
1476
1477 static void
1478 on_attachment_activated (ModestAttachmentsView * att_view, TnyMimePart *mime_part, gpointer self)
1479 {
1480
1481         g_signal_emit_by_name (G_OBJECT(self), "attachment_clicked", mime_part);
1482 }
1483
1484 static void
1485 on_view_images_clicked (GtkButton * button, gpointer self)
1486 {
1487         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1488         TnyMimePart *part;
1489
1490         modest_mime_part_view_set_view_images (MODEST_MIME_PART_VIEW (priv->body_view), TRUE);
1491         gtk_widget_hide (priv->view_images_button);
1492         part = tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (priv->body_view));
1493         if (part) {
1494                 tny_mime_part_view_set_part (TNY_MIME_PART_VIEW (priv->body_view), part);
1495                 g_object_unref (part);
1496         }
1497         if (priv->msg)
1498                 tny_msg_set_allow_external_images (TNY_MSG (priv->msg), TRUE);
1499 }
1500
1501 static gboolean
1502 on_activate_link (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMsgView *self)
1503 {
1504         gboolean result;
1505         g_return_val_if_fail (self, FALSE);
1506
1507         g_signal_emit_by_name (G_OBJECT(self), "activate-link", uri, &result);
1508
1509         return result;
1510 }
1511
1512
1513 static gboolean
1514 on_link_hover (GtkWidget *widget, const gchar *uri, ModestGtkhtmlMsgView *self)
1515 {
1516         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1517         gboolean result;
1518
1519         g_free (priv->last_url);
1520         priv->last_url = g_strdup (uri);
1521
1522         g_signal_emit_by_name (G_OBJECT(self), "link-hover", uri, &result);
1523
1524         return result;
1525 }
1526
1527
1528
1529 static TnyMimePart *
1530 find_cid_image (TnyMsg *msg, const gchar *cid)
1531 {
1532         TnyMimePart *part = NULL;
1533         TnyList *parts;
1534         TnyIterator *iter;
1535
1536         g_return_val_if_fail (msg, NULL);
1537         g_return_val_if_fail (cid, NULL);
1538
1539         parts  = TNY_LIST (tny_simple_list_new());
1540
1541         tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
1542         iter   = tny_list_create_iterator (parts);
1543
1544         while (!tny_iterator_is_done(iter)) {
1545                 const gchar *part_cid;
1546
1547                 part = TNY_MIME_PART(tny_iterator_get_current(iter));
1548                 part_cid = tny_mime_part_get_content_id (part);
1549
1550                 /* if there is no content id, try the content location;
1551                  * this is what Outlook seems to use when it converts
1552                  * it's internal richtext to html
1553                  */
1554                 if (!part_cid)
1555                         part_cid = tny_mime_part_get_content_location (part);
1556
1557                 if (part_cid && strcmp (cid, part_cid) == 0)
1558                         break;
1559
1560                 if (tny_mime_part_content_type_is (part, "multipart/related")) {
1561                         TnyList *related_parts = TNY_LIST (tny_simple_list_new ());
1562                         TnyIterator *related_iter = NULL;
1563                         TnyMimePart *related_part = NULL;
1564
1565                         tny_mime_part_get_parts (part, related_parts);
1566                         related_iter = tny_list_create_iterator (related_parts);
1567
1568                         while (!tny_iterator_is_done (related_iter)) {
1569                                 related_part = TNY_MIME_PART (tny_iterator_get_current (related_iter));
1570                                 part_cid = tny_mime_part_get_content_id (related_part);
1571                                 if (part_cid && strcmp (cid, part_cid) == 0) {
1572                                         break;
1573                                 }
1574                                 g_object_unref (related_part);
1575                                 related_part = NULL;
1576                                 tny_iterator_next (related_iter);
1577                         }
1578
1579                         g_object_unref (related_iter);
1580                         g_object_unref (related_parts);
1581                         if (related_part != NULL) {
1582                                 g_object_unref (part);
1583                                 part = related_part;
1584                                 break;
1585                         }
1586                 }
1587
1588                 g_object_unref (G_OBJECT(part));
1589
1590                 part = NULL;
1591                 tny_iterator_next (iter);
1592         }
1593
1594         g_object_unref (G_OBJECT(iter));
1595         g_object_unref (G_OBJECT(parts));
1596
1597         return part;
1598 }
1599
1600
1601 static gboolean
1602 on_fetch_url (GtkWidget *widget, const gchar *uri,
1603               TnyStream *stream, ModestGtkhtmlMsgView *self)
1604 {
1605         ModestGtkhtmlMsgViewPrivate *priv;
1606         const gchar* my_uri;
1607         TnyMimePart *part = NULL;
1608
1609
1610
1611         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1612
1613         if (modest_mime_part_view_has_external_images (MODEST_MIME_PART_VIEW (priv->body_view)))
1614                 gtk_widget_show (priv->view_images_button);
1615         /*
1616          * we search for either something starting with cid:, or something
1617          * with no prefix at all; this latter case occurs when sending mails
1618          * with MS Outlook in rich-text mode, and 'attach-as-object
1619          */
1620         if (g_str_has_prefix (uri, "cid:"))
1621                 my_uri = uri + 4;  /* +4 ==> skip "cid:" */
1622         else
1623                 my_uri = uri;
1624
1625         /* now try to find the embedded image */
1626         part = find_cid_image (priv->msg, my_uri);
1627
1628         if (!part) {
1629                 if (g_str_has_prefix (uri, "http:")) {
1630                         if (modest_mime_part_view_get_view_images (MODEST_MIME_PART_VIEW (priv->body_view))) {
1631                                 gboolean result = FALSE;
1632                                 g_signal_emit_by_name (self, "fetch-image", uri, stream, &result);
1633                                 return result;
1634                         } else {
1635                                 /* we return immediately to get a "image not found" icon */
1636                                 tny_stream_close (stream);
1637                                 return TRUE;
1638                         }
1639                 } else {
1640                         return FALSE;
1641                 }
1642         }
1643
1644         tny_mime_part_decode_to_stream ((TnyMimePart*)part, stream, NULL);
1645         tny_stream_close (stream);
1646         g_object_unref (G_OBJECT(part));
1647         return TRUE;
1648 }
1649
1650 static void
1651 set_message (ModestGtkhtmlMsgView *self, TnyMsg *msg)
1652 {
1653         TnyMimePart *body;
1654         ModestGtkhtmlMsgViewPrivate *priv;
1655         TnyHeader *header;
1656         GtkAdjustment *html_vadj;
1657
1658         g_return_if_fail (self);
1659
1660         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(self);
1661         gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
1662         modest_mime_part_view_set_view_images (MODEST_MIME_PART_VIEW (priv->body_view), FALSE);
1663
1664         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1665         html_vadj->upper = 0;
1666         html_vadj->page_size = 0;
1667         g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
1668
1669
1670         if (msg != priv->msg) {
1671                 if (priv->msg)
1672                         g_object_unref (G_OBJECT(priv->msg));
1673                 if (msg)
1674                         g_object_ref   (G_OBJECT(msg));
1675                 priv->msg = msg;
1676         }
1677
1678         if (!msg) {
1679                 tny_header_view_clear (TNY_HEADER_VIEW (priv->mail_header_view));
1680                 modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW (priv->attachments_view), NULL);
1681                 gtk_widget_hide_all (priv->mail_header_view);
1682                 gtk_widget_hide_all (priv->attachments_box);
1683                 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1684                 tny_mime_part_view_clear (TNY_MIME_PART_VIEW (priv->body_view));
1685                 gtk_widget_queue_resize (GTK_WIDGET(self));
1686                 gtk_widget_queue_draw (GTK_WIDGET(self));
1687                 return;
1688         }
1689
1690         header = tny_msg_get_header (msg);
1691         tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
1692         g_object_unref (header);
1693
1694         modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW(priv->attachments_view),
1695                                              msg);
1696
1697         modest_mime_part_view_set_view_images (MODEST_MIME_PART_VIEW (priv->body_view), tny_msg_get_allow_external_images (msg));
1698
1699         body = modest_tny_msg_find_body_part (msg, TRUE);
1700         if (body) {
1701                 tny_mime_part_view_set_part (TNY_MIME_PART_VIEW (priv->body_view), body);
1702                 g_object_unref (body);
1703
1704                 if(modest_attachments_view_has_attachments (MODEST_ATTACHMENTS_VIEW (priv->attachments_view))) {
1705                         gtk_widget_show_all (priv->attachments_box);
1706                 } else {
1707                         gtk_widget_hide_all (priv->attachments_box);
1708                 }
1709
1710         } else
1711                 tny_mime_part_view_clear (TNY_MIME_PART_VIEW (priv->body_view));
1712
1713         if (modest_mime_part_view_has_external_images (MODEST_MIME_PART_VIEW (priv->body_view)) &&
1714             !modest_mime_part_view_get_view_images (MODEST_MIME_PART_VIEW (priv->body_view))) {
1715                 gtk_widget_show (priv->view_images_button);
1716         } else {
1717                 gtk_widget_hide (priv->view_images_button);
1718         }
1719
1720         gtk_widget_show (priv->body_view);
1721         gtk_widget_set_no_show_all (priv->attachments_box, TRUE);
1722         gtk_widget_show_all (priv->mail_header_view);
1723         gtk_widget_set_no_show_all (priv->attachments_box, FALSE);
1724         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1725         gtk_widget_queue_resize (GTK_WIDGET(self));
1726         gtk_widget_queue_draw (GTK_WIDGET(self));
1727
1728         if (priv->hadj != NULL)
1729                 priv->hadj->value = 0.0;
1730         if (priv->vadj != NULL)
1731                 priv->vadj->value = 0.0;
1732
1733         g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
1734
1735         /* This is a hack to force reallocation of scroll after drawing all the stuff. This
1736          * makes the html view get the proper and expected size and prevent being able to scroll
1737          * the buffer when it shouldn't be scrollable */
1738         g_object_ref (self);
1739         g_timeout_add (250, (GSourceFunc) idle_readjust_scroll, self);
1740 }
1741
1742 static void
1743 set_header (ModestGtkhtmlMsgView *self, TnyHeader *header)
1744 {
1745         ModestGtkhtmlMsgViewPrivate *priv;
1746         GtkAdjustment *html_vadj;
1747
1748         g_return_if_fail (self);
1749
1750         if (header == NULL) {
1751                 set_message (self, NULL);
1752                 return;
1753         }
1754
1755         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(self);
1756         gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
1757         modest_mime_part_view_set_view_images (MODEST_MIME_PART_VIEW (priv->body_view), FALSE);
1758
1759         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1760         html_vadj->upper = 0;
1761         html_vadj->page_size = 0;
1762         g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
1763
1764
1765         if (priv->msg) {
1766                 g_object_unref (G_OBJECT(priv->msg));
1767         }
1768         priv->msg = NULL;
1769
1770         tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
1771         modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW (priv->attachments_view), NULL);
1772         gtk_widget_show_all (priv->mail_header_view);
1773         gtk_widget_hide_all (priv->attachments_box);
1774         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1775         tny_mime_part_view_clear (TNY_MIME_PART_VIEW (priv->body_view));
1776         gtk_widget_queue_resize (GTK_WIDGET(self));
1777         gtk_widget_queue_draw (GTK_WIDGET(self));
1778 }
1779
1780
1781 static TnyMsg*
1782 get_message (ModestGtkhtmlMsgView *self)
1783 {
1784         TnyMsg *msg;
1785
1786         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), NULL);
1787
1788         msg = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE(self)->msg;
1789
1790         if (msg)
1791                 g_object_ref (msg);
1792
1793         return msg;
1794 }
1795
1796 static gboolean
1797 is_empty (ModestGtkhtmlMsgView *self)
1798 {
1799         ModestGtkhtmlMsgViewPrivate *priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1800
1801         return modest_mime_part_view_is_empty (MODEST_MIME_PART_VIEW (priv->body_view));
1802 }
1803
1804 static void
1805 set_zoom (ModestGtkhtmlMsgView *self, gdouble zoom)
1806 {
1807         ModestGtkhtmlMsgViewPrivate *priv;
1808
1809         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
1810         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1811
1812         modest_zoomable_set_zoom (MODEST_ZOOMABLE(priv->body_view), zoom);
1813
1814         gtk_widget_queue_resize (priv->body_view);
1815 }
1816
1817 static gdouble
1818 get_zoom (ModestGtkhtmlMsgView *self)
1819 {
1820         ModestGtkhtmlMsgViewPrivate *priv;
1821
1822         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), 1.0);
1823         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1824
1825         return modest_zoomable_get_zoom (MODEST_ZOOMABLE (priv->body_view));
1826 }
1827
1828 static TnyHeaderFlags
1829 get_priority (ModestGtkhtmlMsgView *self)
1830 {
1831         ModestGtkhtmlMsgViewPrivate *priv;
1832
1833         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), 0);
1834
1835         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1836
1837         return modest_mail_header_view_get_priority (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view));
1838 }
1839
1840 static void
1841 set_priority (ModestGtkhtmlMsgView *self, TnyHeaderFlags flags)
1842 {
1843         ModestGtkhtmlMsgViewPrivate *priv;
1844
1845         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
1846         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1847
1848         modest_mail_header_view_set_priority (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view), flags);
1849 }
1850
1851 /* INCREMENTAL SEARCH IMPLEMENTATION */
1852
1853 static gboolean
1854 search (ModestGtkhtmlMsgView *self, const gchar *search)
1855 {
1856         ModestGtkhtmlMsgViewPrivate *priv;
1857         gboolean result;
1858         GtkAdjustment *vadj, *tmp_vadj;
1859         gdouble y_offset;
1860
1861         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), FALSE);
1862
1863         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1864         vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (priv->body_view));
1865         g_object_ref (vadj);
1866         tmp_vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, vadj->lower, vadj->upper, vadj->step_increment, 32.0, 32.0));
1867         gtk_layout_set_vadjustment (GTK_LAYOUT (priv->body_view), tmp_vadj);
1868         result = modest_isearch_view_search (MODEST_ISEARCH_VIEW (priv->body_view),
1869                                              search);
1870
1871         if (result) {
1872                 gint x, y, w, h;
1873                 gdouble offset_top, offset_bottom;
1874                 GtkAdjustment *adj;
1875                 if (modest_isearch_view_get_selection_area (MODEST_ISEARCH_VIEW (priv->body_view), &x, &y, &w, &h)) {
1876                         offset_top = (gdouble) (priv->headers_box->requisition.height + y);
1877                         offset_bottom = (gdouble) (priv->headers_box->requisition.height + y + h);
1878                         adj = GTK_ADJUSTMENT (priv->vadj);
1879                         if (offset_top < adj->value)
1880                                 gtk_adjustment_set_value (adj, offset_top + adj->page_increment - adj->page_size);
1881                         else if (offset_bottom > adj->value + adj->page_increment)
1882                                 gtk_adjustment_set_value (adj, offset_bottom - adj->page_increment);
1883                 }
1884         }
1885
1886         y_offset = tmp_vadj->value;
1887         gtk_layout_set_vadjustment (GTK_LAYOUT (priv->body_view), vadj);
1888         g_object_unref (vadj);
1889
1890         return result;
1891 }
1892
1893 static gboolean
1894 search_next (ModestGtkhtmlMsgView *self)
1895 {
1896         ModestGtkhtmlMsgViewPrivate *priv;
1897         gboolean result;
1898
1899         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), FALSE);
1900
1901         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1902         result = modest_isearch_view_search_next (MODEST_ISEARCH_VIEW (priv->body_view));
1903
1904         if (result) {
1905                 gint x, y, w, h;
1906                 gdouble offset_top, offset_bottom;
1907                 GtkAdjustment *adj;
1908
1909                 if (modest_isearch_view_get_selection_area (MODEST_ISEARCH_VIEW (priv->body_view), &x, &y, &w, &h)) {
1910                         offset_top = (gdouble) (priv->headers_box->requisition.height + y);
1911                         offset_bottom = (gdouble) (priv->headers_box->requisition.height + y + h);
1912                         adj = GTK_ADJUSTMENT (priv->vadj);
1913                         if (offset_top < adj->value)
1914                                 gtk_adjustment_set_value (adj, offset_top + adj->page_increment - adj->page_size);
1915                         else if (offset_bottom > adj->value + adj->page_increment)
1916                                 gtk_adjustment_set_value (adj, offset_bottom - adj->page_increment);
1917                 }
1918         }
1919         return result;
1920 }
1921
1922 static TnyList *
1923 get_selected_attachments (ModestGtkhtmlMsgView *self)
1924 {
1925         ModestGtkhtmlMsgViewPrivate *priv;
1926
1927         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), NULL);
1928         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1929
1930         return modest_attachments_view_get_selection (MODEST_ATTACHMENTS_VIEW (priv->attachments_view));
1931
1932 }
1933
1934 static TnyList *
1935 get_attachments (ModestGtkhtmlMsgView *self)
1936 {
1937         ModestGtkhtmlMsgViewPrivate *priv;
1938
1939         g_return_val_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self), NULL);
1940         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1941
1942         return modest_attachments_view_get_attachments (MODEST_ATTACHMENTS_VIEW (priv->attachments_view));
1943
1944 }
1945
1946 static void
1947 grab_focus (ModestGtkhtmlMsgView *self)
1948 {
1949         ModestGtkhtmlMsgViewPrivate *priv = NULL;
1950
1951         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
1952         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1953
1954         gtk_widget_grab_focus (priv->body_view);
1955 }
1956
1957 static void
1958 remove_attachment (ModestGtkhtmlMsgView *self, TnyMimePart *attachment)
1959 {
1960         ModestGtkhtmlMsgViewPrivate *priv;
1961
1962         g_return_if_fail (MODEST_IS_GTKHTML_MSG_VIEW (self));
1963         g_return_if_fail (TNY_IS_MIME_PART (attachment));
1964         priv = MODEST_GTKHTML_MSG_VIEW_GET_PRIVATE (self);
1965
1966         modest_attachments_view_remove_attachment (MODEST_ATTACHMENTS_VIEW (priv->attachments_view),
1967                                                    attachment);
1968
1969 }
1970
1971 /* TNY HEADER VIEW IMPLEMENTATION */
1972
1973 static void
1974 tny_header_view_init (gpointer g, gpointer iface_data)
1975 {
1976         TnyHeaderViewIface *klass = (TnyHeaderViewIface *)g;
1977
1978         klass->set_header = modest_msg_view_set_header;
1979         klass->clear = modest_msg_view_clear_header;
1980
1981         return;
1982 }
1983
1984 static void
1985 modest_msg_view_set_header (TnyHeaderView *self, TnyHeader *header)
1986 {
1987         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_header_func (self, header);
1988 }
1989
1990
1991 static void
1992 modest_msg_view_set_header_default (TnyHeaderView *self, TnyHeader *header)
1993 {
1994         set_header (MODEST_GTKHTML_MSG_VIEW (self), header);
1995 }
1996
1997 static void
1998 modest_msg_view_clear_header (TnyHeaderView *self)
1999 {
2000         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->clear_header_func (self);
2001 }
2002
2003
2004 static void
2005 modest_msg_view_clear_header_default (TnyHeaderView *self)
2006 {
2007         set_message (MODEST_GTKHTML_MSG_VIEW (self), NULL);
2008 }
2009
2010 /* TNY MSG IMPLEMENTATION */
2011
2012 static void
2013 tny_msg_view_init (gpointer g, gpointer iface_data)
2014 {
2015         TnyMsgViewIface *klass = (TnyMsgViewIface *)g;
2016
2017         klass->get_msg = modest_msg_view_get_msg;
2018         klass->set_msg = modest_msg_view_set_msg;
2019         klass->set_unavailable = modest_msg_view_set_unavailable;
2020         klass->clear = modest_msg_view_clear;
2021         klass->create_mime_part_view_for = modest_msg_view_create_mime_part_view_for;
2022         klass->create_new_inline_viewer = modest_msg_view_create_new_inline_viewer;
2023
2024         return;
2025 }
2026
2027 static TnyMsg *
2028 modest_msg_view_get_msg (TnyMsgView *self)
2029 {
2030         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_msg_func (self);
2031 }
2032
2033 static TnyMsg *
2034 modest_msg_view_get_msg_default (TnyMsgView *self)
2035 {
2036         return TNY_MSG (tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (self)));
2037 }
2038
2039 static void
2040 modest_msg_view_set_msg (TnyMsgView *self, TnyMsg *msg)
2041 {
2042         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_msg_func (self, msg);
2043 }
2044
2045 static void
2046 modest_msg_view_set_msg_default (TnyMsgView *self, TnyMsg *msg)
2047 {
2048
2049         tny_mime_part_view_set_part (TNY_MIME_PART_VIEW (self), TNY_MIME_PART (msg));
2050
2051         return;
2052 }
2053
2054 static void
2055 modest_msg_view_set_unavailable (TnyMsgView *self)
2056 {
2057         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_unavailable_func (self);
2058 }
2059
2060 static void
2061 modest_msg_view_set_unavailable_default (TnyMsgView *self)
2062 {
2063         tny_msg_view_clear (self);
2064
2065         return;
2066 }
2067
2068 static void
2069 modest_msg_view_clear (TnyMsgView *self)
2070 {
2071         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->clear_func (self);
2072 }
2073
2074 static void
2075 modest_msg_view_clear_default (TnyMsgView *self)
2076 {
2077         set_message (MODEST_GTKHTML_MSG_VIEW (self), NULL);
2078 }
2079
2080 static TnyMimePartView*
2081 modest_msg_view_create_mime_part_view_for (TnyMsgView *self, TnyMimePart *part)
2082 {
2083         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->create_mime_part_view_for_func (self, part);
2084 }
2085
2086 static TnyMimePartView*
2087 modest_msg_view_create_mime_part_view_for_default (TnyMsgView *self, TnyMimePart *part)
2088 {
2089         g_warning ("modest_msg_view_create_mime_part_view_for_default is not implemented");
2090         return NULL;
2091 }
2092
2093 static TnyMsgView*
2094 modest_msg_view_create_new_inline_viewer (TnyMsgView *self)
2095 {
2096         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->create_new_inline_viewer_func (self);
2097 }
2098
2099 static TnyMsgView*
2100 modest_msg_view_create_new_inline_viewer_default (TnyMsgView *self)
2101 {
2102         g_warning ("modest_msg_view_create_new_inline_viewer_default is not implemented");
2103
2104         return NULL;
2105 }
2106
2107 /* TNY MIME PART IMPLEMENTATION */
2108
2109 static void
2110 tny_mime_part_view_init (gpointer g, gpointer iface_data)
2111 {
2112         TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
2113
2114         klass->get_part = modest_msg_view_mp_get_part;
2115         klass->set_part = modest_msg_view_mp_set_part;
2116         klass->clear = modest_msg_view_mp_clear;
2117
2118         return;
2119 }
2120
2121 static TnyMimePart*
2122 modest_msg_view_mp_get_part (TnyMimePartView *self)
2123 {
2124         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_part_func (self);
2125 }
2126
2127
2128 static TnyMimePart*
2129 modest_msg_view_mp_get_part_default (TnyMimePartView *self)
2130 {
2131         return TNY_MIME_PART (get_message (MODEST_GTKHTML_MSG_VIEW (self)));
2132 }
2133
2134 static void
2135 modest_msg_view_mp_set_part (TnyMimePartView *self,
2136                              TnyMimePart *part)
2137 {
2138         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_part_func (self, part);
2139 }
2140
2141 static void
2142 modest_msg_view_mp_set_part_default (TnyMimePartView *self,
2143                                      TnyMimePart *part)
2144 {
2145         g_return_if_fail ((part == NULL) || TNY_IS_MSG (part));
2146
2147         set_message (MODEST_GTKHTML_MSG_VIEW (self), TNY_MSG (part));
2148 }
2149
2150 static void
2151 modest_msg_view_mp_clear (TnyMimePartView *self)
2152 {
2153         tny_msg_view_clear (TNY_MSG_VIEW (self));
2154 }
2155
2156 /* MODEST MIME PART VIEW IMPLEMENTATION */
2157
2158 static void
2159 modest_mime_part_view_init (gpointer g, gpointer iface_data)
2160 {
2161         ModestMimePartViewIface *klass = (ModestMimePartViewIface *)g;
2162
2163         klass->is_empty_func = modest_msg_view_mp_is_empty;
2164
2165         return;
2166 }
2167
2168 static gboolean
2169 modest_msg_view_mp_is_empty (ModestMimePartView *self)
2170 {
2171         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->is_empty_func (self);
2172 }
2173
2174 static gboolean
2175 modest_msg_view_mp_is_empty_default (ModestMimePartView *self)
2176 {
2177         return is_empty (MODEST_GTKHTML_MSG_VIEW (self));
2178 }
2179
2180 /* MODEST ZOOMABLE IMPLEMENTATION */
2181 static void
2182 modest_zoomable_init (gpointer g, gpointer iface_data)
2183 {
2184         ModestZoomableIface *klass = (ModestZoomableIface *)g;
2185
2186         klass->get_zoom_func = modest_msg_view_get_zoom;
2187         klass->set_zoom_func = modest_msg_view_set_zoom;
2188         klass->zoom_minus_func = modest_msg_view_zoom_minus;
2189         klass->zoom_plus_func = modest_msg_view_zoom_plus;
2190
2191         return;
2192 }
2193
2194 static gdouble
2195 modest_msg_view_get_zoom (ModestZoomable *self)
2196 {
2197         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_zoom_func (self);
2198 }
2199
2200 static gdouble
2201 modest_msg_view_get_zoom_default (ModestZoomable *self)
2202 {
2203         return get_zoom (MODEST_GTKHTML_MSG_VIEW (self));
2204 }
2205
2206 static void
2207 modest_msg_view_set_zoom (ModestZoomable *self, gdouble value)
2208 {
2209         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_zoom_func (self, value);
2210 }
2211
2212 static void
2213 modest_msg_view_set_zoom_default (ModestZoomable *self, gdouble value)
2214 {
2215         set_zoom (MODEST_GTKHTML_MSG_VIEW (self), value);
2216 }
2217
2218 static gboolean
2219 modest_msg_view_zoom_minus (ModestZoomable *self)
2220 {
2221         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->zoom_minus_func (self);
2222 }
2223
2224 static gboolean
2225 modest_msg_view_zoom_minus_default (ModestZoomable *self)
2226 {
2227         /* operation not supported in ModestMsgView */
2228         return FALSE;
2229 }
2230
2231 static gboolean
2232 modest_msg_view_zoom_plus (ModestZoomable *self)
2233 {
2234         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->zoom_plus_func (self);
2235 }
2236
2237 static gboolean
2238 modest_msg_view_zoom_plus_default (ModestZoomable *self)
2239 {
2240         /* operation not supported in ModestMsgView */
2241         return FALSE;
2242 }
2243
2244 /* MODEST ISEARCH VIEW IMPLEMENTATION */
2245 static void
2246 modest_isearch_view_init (gpointer g, gpointer iface_data)
2247 {
2248         ModestISearchViewIface *klass = (ModestISearchViewIface *)g;
2249
2250         klass->search_func = modest_msg_view_search;
2251         klass->search_next_func = modest_msg_view_search_next;
2252
2253         return;
2254 }
2255
2256 static gboolean
2257 modest_msg_view_search (ModestISearchView *self, const gchar *string)
2258 {
2259         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->search_func (self, string);
2260 }
2261
2262 static gboolean
2263 modest_msg_view_search_default (ModestISearchView *self, const gchar *string)
2264 {
2265         return search (MODEST_GTKHTML_MSG_VIEW (self), string);
2266 }
2267
2268 static gboolean
2269 modest_msg_view_search_next (ModestISearchView *self)
2270 {
2271         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->search_next_func (self);
2272 }
2273
2274 static gboolean
2275 modest_msg_view_search_next_default (ModestISearchView *self)
2276 {
2277         return search_next (MODEST_GTKHTML_MSG_VIEW (self));
2278 }
2279
2280 /* MODEST MSG VIEW IMPLEMENTATION */
2281 static void
2282 modest_msg_view_init (gpointer g, gpointer iface_data)
2283 {
2284         ModestMsgViewIface *klass = (ModestMsgViewIface *)g;
2285
2286         klass->get_vadjustment_func = modest_gtkhtml_msg_view_get_vadjustment;
2287         klass->get_hadjustment_func = modest_gtkhtml_msg_view_get_hadjustment;
2288         klass->set_vadjustment_func = modest_gtkhtml_msg_view_set_vadjustment;
2289         klass->set_hadjustment_func = modest_gtkhtml_msg_view_set_hadjustment;
2290         klass->set_shadow_type_func = modest_gtkhtml_msg_view_set_shadow_type;
2291         klass->get_shadow_type_func = modest_gtkhtml_msg_view_get_shadow_type;
2292         klass->get_priority_func = modest_gtkhtml_msg_view_get_priority;
2293         klass->set_priority_func = modest_gtkhtml_msg_view_set_priority;
2294         klass->get_selected_attachments_func = modest_gtkhtml_msg_view_get_selected_attachments;
2295         klass->get_attachments_func = modest_gtkhtml_msg_view_get_attachments;
2296         klass->grab_focus_func = modest_gtkhtml_msg_view_grab_focus;
2297         klass->remove_attachment_func = modest_gtkhtml_msg_view_remove_attachment;
2298
2299         return;
2300 }
2301
2302 static GtkAdjustment*
2303 modest_gtkhtml_msg_view_get_vadjustment (ModestMsgView *self)
2304 {
2305         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_vadjustment_func (self);
2306 }
2307
2308 static GtkAdjustment*
2309 modest_gtkhtml_msg_view_get_vadjustment_default (ModestMsgView *self)
2310 {
2311         return get_vadjustment (MODEST_GTKHTML_MSG_VIEW (self));
2312 }
2313
2314 static GtkAdjustment*
2315 modest_gtkhtml_msg_view_get_hadjustment (ModestMsgView *self)
2316 {
2317         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_hadjustment_func (self);
2318 }
2319
2320 static GtkAdjustment*
2321 modest_gtkhtml_msg_view_get_hadjustment_default (ModestMsgView *self)
2322 {
2323         return get_hadjustment (MODEST_GTKHTML_MSG_VIEW (self));
2324 }
2325
2326 static void
2327 modest_gtkhtml_msg_view_set_vadjustment (ModestMsgView *self, GtkAdjustment *adj)
2328 {
2329         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_vadjustment_func (self, adj);
2330 }
2331
2332 static void
2333 modest_gtkhtml_msg_view_set_vadjustment_default (ModestMsgView *self, GtkAdjustment *adj)
2334 {
2335         set_vadjustment (MODEST_GTKHTML_MSG_VIEW (self), adj);
2336 }
2337
2338 static void
2339 modest_gtkhtml_msg_view_set_hadjustment (ModestMsgView *self, GtkAdjustment *adj)
2340 {
2341         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_hadjustment_func (self, adj);
2342 }
2343
2344 static void
2345 modest_gtkhtml_msg_view_set_hadjustment_default (ModestMsgView *self, GtkAdjustment *adj)
2346 {
2347         set_hadjustment (MODEST_GTKHTML_MSG_VIEW (self), adj);
2348 }
2349
2350 static void
2351 modest_gtkhtml_msg_view_set_shadow_type (ModestMsgView *self, GtkShadowType type)
2352 {
2353         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_shadow_type_func (self, type);
2354 }
2355
2356 static void
2357 modest_gtkhtml_msg_view_set_shadow_type_default (ModestMsgView *self, GtkShadowType type)
2358 {
2359         set_shadow_type (MODEST_GTKHTML_MSG_VIEW (self), type);
2360 }
2361
2362 static GtkShadowType
2363 modest_gtkhtml_msg_view_get_shadow_type (ModestMsgView *self)
2364 {
2365         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_shadow_type_func (self);
2366 }
2367
2368 static GtkShadowType
2369 modest_gtkhtml_msg_view_get_shadow_type_default (ModestMsgView *self)
2370 {
2371         return get_shadow_type (MODEST_GTKHTML_MSG_VIEW (self));
2372 }
2373
2374 static void
2375 modest_gtkhtml_msg_view_set_priority (ModestMsgView *self, TnyHeaderFlags flags)
2376 {
2377         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->set_priority_func (self, flags);
2378 }
2379
2380 static void
2381 modest_gtkhtml_msg_view_set_priority_default (ModestMsgView *self, TnyHeaderFlags flags)
2382 {
2383         set_priority (MODEST_GTKHTML_MSG_VIEW (self), flags);
2384 }
2385
2386 static TnyHeaderFlags
2387 modest_gtkhtml_msg_view_get_priority (ModestMsgView *self)
2388 {
2389         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_priority_func (self);
2390 }
2391
2392 static TnyHeaderFlags
2393 modest_gtkhtml_msg_view_get_priority_default (ModestMsgView *self)
2394 {
2395         return get_priority (MODEST_GTKHTML_MSG_VIEW (self));
2396 }
2397
2398 static TnyList*
2399 modest_gtkhtml_msg_view_get_selected_attachments (ModestMsgView *self)
2400 {
2401         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_selected_attachments_func (self);
2402 }
2403
2404 static TnyList*
2405 modest_gtkhtml_msg_view_get_selected_attachments_default (ModestMsgView *self)
2406 {
2407         return get_selected_attachments (MODEST_GTKHTML_MSG_VIEW (self));
2408 }
2409
2410 static TnyList*
2411 modest_gtkhtml_msg_view_get_attachments (ModestMsgView *self)
2412 {
2413         return MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->get_attachments_func (self);
2414 }
2415
2416 static TnyList*
2417 modest_gtkhtml_msg_view_get_attachments_default (ModestMsgView *self)
2418 {
2419         return get_attachments (MODEST_GTKHTML_MSG_VIEW (self));
2420 }
2421
2422 static void
2423 modest_gtkhtml_msg_view_grab_focus (ModestMsgView *self)
2424 {
2425         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->grab_focus_func (self);
2426 }
2427
2428 static void
2429 modest_gtkhtml_msg_view_grab_focus_default (ModestMsgView *self)
2430 {
2431         grab_focus (MODEST_GTKHTML_MSG_VIEW (self));
2432 }
2433
2434 static void
2435 modest_gtkhtml_msg_view_remove_attachment (ModestMsgView *self, TnyMimePart *attachment)
2436 {
2437         MODEST_GTKHTML_MSG_VIEW_GET_CLASS (self)->remove_attachment_func (self, attachment);
2438 }
2439
2440 static void
2441 modest_gtkhtml_msg_view_remove_attachment_default (ModestMsgView *self, TnyMimePart *attachment)
2442 {
2443         remove_attachment (MODEST_GTKHTML_MSG_VIEW (self), attachment);
2444 }