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

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