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

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