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

   1 /* Copyright (c) 2006, 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 <tny-gtk-text-buffer-stream.h>
  31 #include <string.h>
  32 #include <regex.h>
  33 #include <ctype.h>
  34 #include <stdlib.h>
  35 #include <glib/gi18n.h>
  36 #include <tny-list.h>
  37 #include <tny-simple-list.h>
  38
  39 #include <modest-tny-msg.h>
  40 #include <modest-text-utils.h>
  41 #include <widgets/modest-msg-view.h>
  42 #include <widgets/modest-mail-header-view.h>
  43 #include <widgets/modest-attachments-view.h>
  44 #include <modest-marshal.h>
  45 #include <widgets/modest-gtkhtml-mime-part-view.h>
  46 #include <widgets/modest-isearch-view.h>
  47
  48
  49 /* 'private'/'protected' functions */
  50 static void     modest_msg_view_class_init   (ModestMsgViewClass *klass);
  51 static void     tny_msg_view_init (gpointer g, gpointer iface_data);
  52 static void     tny_mime_part_view_init (gpointer g, gpointer iface_data);
  53 static void     modest_zoomable_init (gpointer g, gpointer iface_data);
  54 static void     modest_msg_view_init         (ModestMsgView *obj);
  55 static void     modest_msg_view_finalize     (GObject *obj);
  56 static void     modest_msg_view_destroy     (GtkObject *obj);
  57 static void     set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
  58 static void     get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
  59
  60 /* headers signals */
  61 static void on_recpt_activated (ModestMailHeaderView *header_view, const gchar *address, ModestMsgView *msg_view);
  62 static void on_attachment_activated (ModestAttachmentsView * att_view, TnyMimePart *mime_part, gpointer userdata);
  63
  64 /* body view signals */
  65 static gboolean on_activate_link (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
  66 static gboolean on_fetch_url (GtkWidget *widget, const gchar *uri, TnyStream *stream,
  67                               ModestMsgView *msg_view);
  68 static gboolean on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
  69
  70 #ifdef MAEMO_CHANGES
  71 static void     on_tap_and_hold (GtkWidget *widget, gpointer userdata);
  72 #endif /*MAEMO_CHANGES*/
  73
  74
  75 /* size allocation and drawing handlers */
  76 static void get_view_allocation (ModestMsgView *msg_view, GtkAllocation *allocation);
  77 static void size_request (GtkWidget *widget, GtkRequisition *req);
  78 static void size_allocate (GtkWidget *widget, GtkAllocation *alloc);
  79 static void realize (GtkWidget *widget);
  80 static void unrealize (GtkWidget *widget);
  81 static gint expose (GtkWidget *widget, GdkEventExpose *event);
  82 static void reclamp_adjustment (GtkAdjustment *adj, gboolean *value_changed);
  83 static void set_hadjustment_values (ModestMsgView *msg_view, gboolean *value_changed);
  84 static void set_scroll_adjustments (ModestMsgView *msg_view, GtkAdjustment *hadj, GtkAdjustment *vadj);
  85 static void adjustment_value_changed (GtkAdjustment *adj, gpointer data);
  86 static void html_adjustment_changed (GtkAdjustment *adj, gpointer data);
  87 static void disconnect_vadjustment (ModestMsgView *obj);
  88 static void disconnect_hadjustment (ModestMsgView *obj);
  89 static gboolean idle_readjust_scroll (ModestMsgView *obj);
  90
  91 /* GtkContainer methods */
  92 static void forall (GtkContainer *container, gboolean include_internals,
  93                     GtkCallback callback, gpointer userdata);
  94 static void container_remove (GtkContainer *container, GtkWidget *widget);
  95
  96 /* TnyMimePartView implementation */
  97 static void modest_msg_view_mp_clear (TnyMimePartView *self);
  98 static void modest_msg_view_mp_set_part (TnyMimePartView *self, TnyMimePart *part);
  99 static void modest_msg_view_mp_set_part_default (TnyMimePartView *self, TnyMimePart *part);
 100 static TnyMimePart* modest_msg_view_mp_get_part (TnyMimePartView *self);
 101 static TnyMimePart* modest_msg_view_mp_get_part_default (TnyMimePartView *self);
 102 /* TnyMsgView implementation */
 103 static TnyMsg *modest_msg_view_get_msg (TnyMsgView *self);
 104 static TnyMsg *modest_msg_view_get_msg_default (TnyMsgView *self);
 105 static void modest_msg_view_set_msg (TnyMsgView *self, TnyMsg *msg);
 106 static void modest_msg_view_set_msg_default (TnyMsgView *self, TnyMsg *msg);
 107 static void modest_msg_view_clear (TnyMsgView *self);
 108 static void modest_msg_view_clear_default (TnyMsgView *self);
 109 static void modest_msg_view_set_unavailable (TnyMsgView *self);
 110 static void modest_msg_view_set_unavailable_default (TnyMsgView *self);
 111 static TnyMimePartView *modest_msg_view_create_mime_part_view_for (TnyMsgView *self, TnyMimePart *part);
 112 static TnyMimePartView *modest_msg_view_create_mime_part_view_for_default (TnyMsgView *self, TnyMimePart *part);
 113 static TnyMsgView *modest_msg_view_create_new_inline_viewer (TnyMsgView *self);
 114 static TnyMsgView *modest_msg_view_create_new_inline_viewer_default (TnyMsgView *self);
 115 /* ModestZoomable implementation */
 116 static gdouble modest_msg_view_get_zoom (ModestZoomable *self);
 117 static void modest_msg_view_set_zoom (ModestZoomable *self, gdouble value);
 118 static gboolean modest_msg_view_zoom_minus (ModestZoomable *self);
 119 static gboolean modest_msg_view_zoom_plus (ModestZoomable *self);
 120 static gdouble modest_msg_view_get_zoom_default (ModestZoomable *self);
 121 static void modest_msg_view_set_zoom_default (ModestZoomable *self, gdouble value);
 122 static gboolean modest_msg_view_zoom_minus_default (ModestZoomable *self);
 123 static gboolean modest_msg_view_zoom_plus_default (ModestZoomable *self);
 124
 125 /* internal api */
 126 static TnyMsg *get_message    (ModestMsgView *self);
 127 static void    set_message    (ModestMsgView *self, TnyMsg *tny_msg);
 128 static void    set_zoom       (ModestMsgView *self, gdouble zoom);
 129 static gdouble get_zoom       (ModestMsgView *self);
 130
 131
 132 /* list my signals */
 133 enum {
 134         LINK_CLICKED_SIGNAL,
 135         LINK_HOVER_SIGNAL,
 136         ATTACHMENT_CLICKED_SIGNAL,
 137         RECPT_ACTIVATED_SIGNAL,
 138         LINK_CONTEXTUAL_SIGNAL,
 139         LAST_SIGNAL
 140 };
 141
 142 /* list properties */
 143 enum {
 144         PROP_0,
 145         PROP_HADJUSTMENT,
 146         PROP_VADJUSTMENT,
 147         PROP_SHADOW_TYPE
 148 };
 149
 150 typedef struct _ModestMsgViewPrivate ModestMsgViewPrivate;
 151 struct _ModestMsgViewPrivate {
 152         GtkWidget   *body_view;
 153         GtkWidget   *mail_header_view;
 154         GtkWidget   *attachments_view;
 155
 156         TnyMsg      *msg;
 157
 158         /* embedded elements */
 159         GtkWidget   *headers_box;
 160         GtkWidget   *html_scroll;
 161         GtkWidget   *attachments_box;
 162
 163         /* internal adjustments for set_scroll_adjustments */
 164         GtkAdjustment *hadj;
 165         GtkAdjustment *vadj;
 166         GtkShadowType shadow_type;
 167
 168         /* gdk windows for drawing */
 169         GdkWindow *view_window;
 170         GdkWindow *headers_window;
 171         GdkWindow *html_window;
 172
 173         /* zoom */
 174         gdouble current_zoom;
 175
 176         /* link click management */
 177         gchar *last_url;
 178
 179         TnyHeaderFlags priority_flags;
 180
 181         gulong  sig1, sig2, sig3;
 182 };
 183 #define MODEST_MSG_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 184                                                  MODEST_TYPE_MSG_VIEW, \
 185                                                  ModestMsgViewPrivate))
 186 /* globals */
 187 static GtkContainerClass *parent_class = NULL;
 188
 189 /* uncomment the following if you have defined any signals */
 190 static guint signals[LAST_SIGNAL] = {0};
 191
 192 GType
 193 modest_msg_view_get_type (void)
 194 {
 195         static GType my_type = 0;
 196         if (!my_type) {
 197                 static const GTypeInfo my_info = {
 198                         sizeof(ModestMsgViewClass),
 199                         NULL,           /* base init */
 200                         NULL,           /* base finalize */
 201                         (GClassInitFunc) modest_msg_view_class_init,
 202                         NULL,           /* class finalize */
 203                         NULL,           /* class data */
 204                         sizeof(ModestMsgView),
 205                         1,              /* n_preallocs */
 206                         (GInstanceInitFunc) modest_msg_view_init,
 207                         NULL
 208                 };
 209                 static const GInterfaceInfo tny_msg_view_info =
 210                 {
 211                   (GInterfaceInitFunc) tny_msg_view_init, /* interface_init */
 212                   NULL,         /* interface_finalize */
 213                   NULL          /* interface_data */
 214                 };
 215
 216                 static const GInterfaceInfo tny_mime_part_view_info =
 217                 {
 218                   (GInterfaceInitFunc) tny_mime_part_view_init, /* interface_init */
 219                   NULL,         /* interface_finalize */
 220                   NULL          /* interface_data */
 221                 };
 222
 223                 static const GInterfaceInfo modest_zoomable_info =
 224                 {
 225                   (GInterfaceInitFunc) modest_zoomable_init, /* interface_init */
 226                   NULL,         /* interface_finalize */
 227                   NULL          /* interface_data */
 228                 };
 229
 230                 my_type = g_type_register_static (GTK_TYPE_CONTAINER,
 231                                                   "ModestMsgView",
 232                                                   &my_info, 0);
 233
 234                 g_type_add_interface_static (my_type, TNY_TYPE_MIME_PART_VIEW,
 235                         &tny_mime_part_view_info);
 236
 237                 g_type_add_interface_static (my_type, TNY_TYPE_MSG_VIEW,
 238                         &tny_msg_view_info);
 239
 240                 g_type_add_interface_static (my_type, MODEST_TYPE_ZOOMABLE,
 241                         &modest_zoomable_info);
 242         }
 243         return my_type;
 244 }
 245
 246 static void
 247 modest_msg_view_class_init (ModestMsgViewClass *klass)
 248 {
 249         GObjectClass *gobject_class;
 250         GtkWidgetClass *widget_class;
 251         GtkObjectClass *gtkobject_class;
 252         GtkContainerClass *container_class;
 253         gobject_class = (GObjectClass*) klass;
 254         widget_class = (GtkWidgetClass *) klass;
 255         gtkobject_class = (GtkObjectClass *) klass;
 256         container_class = (GtkContainerClass *) klass;
 257
 258         parent_class            = g_type_class_peek_parent (klass);
 259         gobject_class->finalize = modest_msg_view_finalize;
 260         gobject_class->set_property = set_property;
 261         gobject_class->get_property = get_property;
 262         gtkobject_class->destroy = modest_msg_view_destroy;
 263
 264         widget_class->realize = realize;
 265         widget_class->unrealize = unrealize;
 266         widget_class->expose_event = expose;
 267         widget_class->size_request = size_request;
 268         widget_class->size_allocate = size_allocate;
 269
 270         container_class->forall = forall;
 271         container_class->remove = container_remove;
 272
 273         klass->set_scroll_adjustments = set_scroll_adjustments;
 274         klass->get_part_func = modest_msg_view_mp_get_part_default;
 275         klass->set_part_func = modest_msg_view_mp_set_part_default;
 276         klass->get_msg_func = modest_msg_view_get_msg_default;
 277         klass->set_msg_func = modest_msg_view_set_msg_default;
 278         klass->set_unavailable_func = modest_msg_view_set_unavailable_default;
 279         klass->clear_func = modest_msg_view_clear_default;
 280         klass->create_mime_part_view_for_func = modest_msg_view_create_mime_part_view_for_default;
 281         klass->create_new_inline_viewer_func = modest_msg_view_create_new_inline_viewer_default;
 282         klass->get_zoom_func = modest_msg_view_get_zoom_default;
 283         klass->set_zoom_func = modest_msg_view_set_zoom_default;
 284         klass->zoom_minus_func = modest_msg_view_zoom_minus_default;
 285         klass->zoom_plus_func = modest_msg_view_zoom_plus_default;
 286
 287         g_type_class_add_private (gobject_class, sizeof(ModestMsgViewPrivate));
 288
 289         g_object_class_install_property (gobject_class,
 290                                          PROP_HADJUSTMENT,
 291                                          g_param_spec_object ("hadjustment",
 292                                                               _("Horizontal adjustment"),
 293                                                               _("GtkAdjustment with information of the horizontal visible position"),
 294                                                               GTK_TYPE_ADJUSTMENT,
 295                                                               G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
 296
 297         g_object_class_install_property (gobject_class,
 298                                          PROP_VADJUSTMENT,
 299                                          g_param_spec_object ("vadjustment",
 300                                                               _("Vertical adjustment"),
 301                                                               _("GtkAdjustment with information of the vertical visible position"),
 302                                                               GTK_TYPE_ADJUSTMENT,
 303                                                               G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
 304
 305         g_object_class_install_property (gobject_class,
 306                                          PROP_SHADOW_TYPE,
 307                                          g_param_spec_enum ("shadow_type",
 308                                                             _("Shadow type"),
 309                                                             _("Kind of shadow that's shown around the view"),
 310                                                             GTK_TYPE_SHADOW_TYPE,
 311                                                             GTK_SHADOW_IN,
 312                                                             G_PARAM_READABLE | G_PARAM_WRITABLE ));
 313
 314         signals[LINK_CLICKED_SIGNAL] =
 315                 g_signal_new ("link_clicked",
 316                               G_TYPE_FROM_CLASS (gobject_class),
 317                               G_SIGNAL_RUN_FIRST,
 318                               G_STRUCT_OFFSET(ModestMsgViewClass, link_clicked),
 319                               NULL, NULL,
 320                               g_cclosure_marshal_VOID__STRING,
 321                               G_TYPE_NONE, 1, G_TYPE_STRING);
 322
 323         signals[ATTACHMENT_CLICKED_SIGNAL] =
 324                 g_signal_new ("attachment_clicked",
 325                               G_TYPE_FROM_CLASS (gobject_class),
 326                               G_SIGNAL_RUN_FIRST,
 327                               G_STRUCT_OFFSET(ModestMsgViewClass, attachment_clicked),
 328                               NULL, NULL,
 329                               g_cclosure_marshal_VOID__OBJECT,
 330                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
 331
 332         signals[LINK_HOVER_SIGNAL] =
 333                 g_signal_new ("link_hover",
 334                               G_TYPE_FROM_CLASS (gobject_class),
 335                               G_SIGNAL_RUN_FIRST,
 336                               G_STRUCT_OFFSET(ModestMsgViewClass, link_hover),
 337                               NULL, NULL,
 338                               g_cclosure_marshal_VOID__STRING,
 339                               G_TYPE_NONE, 1, G_TYPE_STRING);
 340
 341         signals[RECPT_ACTIVATED_SIGNAL] =
 342                 g_signal_new ("recpt_activated",
 343                               G_TYPE_FROM_CLASS (gobject_class),
 344                               G_SIGNAL_RUN_FIRST,
 345                               G_STRUCT_OFFSET(ModestMsgViewClass, recpt_activated),
 346                               NULL, NULL,
 347                               g_cclosure_marshal_VOID__STRING,
 348                               G_TYPE_NONE, 1, G_TYPE_STRING);
 349
 350         signals[LINK_CONTEXTUAL_SIGNAL] =
 351                 g_signal_new ("link_contextual",
 352                               G_TYPE_FROM_CLASS (gobject_class),
 353                               G_SIGNAL_RUN_FIRST,
 354                               G_STRUCT_OFFSET(ModestMsgViewClass, link_contextual),
 355                               NULL, NULL,
 356                               g_cclosure_marshal_VOID__STRING,
 357                               G_TYPE_NONE, 1, G_TYPE_STRING);
 358
 359         widget_class->set_scroll_adjustments_signal =
 360                 g_signal_new ("set_scroll_adjustments",
 361                               G_OBJECT_CLASS_TYPE (gobject_class),
 362                               G_SIGNAL_RUN_LAST|G_SIGNAL_ACTION,
 363                               G_STRUCT_OFFSET (ModestMsgViewClass, set_scroll_adjustments),
 364                               NULL, NULL,
 365                               modest_marshal_VOID__POINTER_POINTER,
 366                               G_TYPE_NONE, 2,
 367                               GTK_TYPE_ADJUSTMENT,
 368                               GTK_TYPE_ADJUSTMENT);
 369 }
 370
 371 static void
 372 set_property (GObject *object,
 373               guint prop_id,
 374               const GValue *value,
 375               GParamSpec *pspec)
 376 {
 377         ModestMsgView *msg_view = MODEST_MSG_VIEW (object);
 378
 379         switch (prop_id) {
 380         case PROP_HADJUSTMENT:
 381                 modest_msg_view_set_hadjustment (msg_view, g_value_get_object (value));
 382                 break;
 383         case PROP_VADJUSTMENT:
 384                 modest_msg_view_set_vadjustment (msg_view, g_value_get_object (value));
 385                 break;
 386         case PROP_SHADOW_TYPE:
 387                 modest_msg_view_set_shadow_type (msg_view, g_value_get_enum (value));
 388                 break;
 389         default:
 390                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 391                 break;
 392         }
 393 }
 394
 395 static void
 396 get_property (GObject *object,
 397               guint prop_id,
 398               GValue *value,
 399               GParamSpec *pspec)
 400 {
 401         ModestMsgView *msg_view = MODEST_MSG_VIEW (object);
 402         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 403
 404         switch (prop_id) {
 405         case PROP_HADJUSTMENT:
 406                 g_value_set_object (value, priv->hadj);
 407                 break;
 408         case PROP_VADJUSTMENT:
 409                 g_value_set_object (value, priv->vadj);
 410                 break;
 411         case PROP_SHADOW_TYPE:
 412                 g_value_set_enum (value, priv->shadow_type);
 413                 break;
 414         default:
 415                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 416                 break;
 417         }
 418 }
 419
 420 static void
 421 disconnect_hadjustment (ModestMsgView *msg_view)
 422 {
 423         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 424
 425         if (priv->hadj) {
 426                 g_signal_handlers_disconnect_by_func(priv->hadj, adjustment_value_changed, msg_view);
 427                 g_object_unref (priv->hadj);
 428                 priv->hadj = NULL;
 429         }
 430 }
 431
 432 static void
 433 disconnect_vadjustment (ModestMsgView *msg_view)
 434 {
 435         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 436
 437         if (priv->vadj) {
 438                 g_signal_handlers_disconnect_by_func(priv->vadj, adjustment_value_changed, msg_view);
 439                 g_object_unref (priv->vadj);
 440                 priv->vadj = NULL;
 441         }
 442 }
 443
 444 static void
 445 get_view_allocation (ModestMsgView *msg_view, GtkAllocation *allocation)
 446 {
 447         /* This method gets the allocation of the widget in parent widget. It's the
 448            real position and size of the widget */
 449         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 450
 451         allocation->x = 0;
 452         allocation->y = 0;
 453
 454         if (priv->shadow_type != GTK_SHADOW_NONE) {
 455                 allocation->x = GTK_WIDGET (msg_view)->style->xthickness;
 456                 allocation->y = GTK_WIDGET (msg_view)->style->ythickness;
 457         }
 458
 459         allocation->width = MAX (1, (GTK_WIDGET (msg_view)->allocation.width) - allocation->x * 2);
 460         allocation->height = MAX (1, (GTK_WIDGET (msg_view)->allocation.height) - allocation->y * 2);
 461
 462 }
 463
 464 static void
 465 reclamp_adjustment (GtkAdjustment *adj,
 466                     gboolean *value_changed)
 467 {
 468         gdouble value = adj->value;
 469
 470         /* Correct value to be inside the expected values of a scroll */
 471
 472         value = CLAMP (value, 0, adj->upper - adj->page_size);
 473
 474         if (value != adj->value) {
 475                 adj->value = value;
 476                 if (value_changed)
 477                         *value_changed = TRUE;
 478         } else if (value_changed) {
 479                 *value_changed = FALSE;
 480         }
 481 }
 482
 483 static void
 484 set_hadjustment_values (ModestMsgView *msg_view,
 485                         gboolean *value_changed)
 486 {
 487         GtkAllocation view_allocation;
 488         GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
 489
 490         get_view_allocation (msg_view, &view_allocation);
 491         hadj->page_size = view_allocation.width;
 492         hadj->step_increment = view_allocation.width * 0.1;
 493         hadj->page_increment = view_allocation.width * 0.9;
 494
 495         hadj->lower = 0;
 496         hadj->upper = view_allocation.width;
 497
 498         reclamp_adjustment (hadj, value_changed);
 499
 500 }
 501
 502 static void
 503 set_vadjustment_values (ModestMsgView *msg_view,
 504                         gboolean *value_changed)
 505 {
 506         GtkAllocation view_allocation;
 507         GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
 508         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 509         gint full_height = 0;
 510         GtkAdjustment *html_vadj;
 511
 512         get_view_allocation (msg_view, &view_allocation);
 513         vadj->page_size = view_allocation.height;
 514         vadj->step_increment = view_allocation.height * 0.1;
 515         vadj->page_increment = view_allocation.height * 0.9;
 516
 517         vadj->lower = 0;
 518
 519         if (priv->headers_box && GTK_WIDGET_VISIBLE(priv->headers_box)) {
 520                 GtkRequisition child_requisition;
 521
 522                 gtk_widget_get_child_requisition (priv->headers_box, &child_requisition);
 523                 full_height = child_requisition.height;
 524         } else {
 525                 full_height = 0;
 526         }
 527
 528         /* Get the real height of the embedded html */
 529         if (priv->html_scroll && GTK_WIDGET_VISIBLE(priv->html_scroll)) {
 530                 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 531                 full_height += html_vadj->upper;
 532         }
 533
 534         vadj->upper = MAX (view_allocation.height, full_height);
 535
 536         reclamp_adjustment (vadj, value_changed);
 537
 538 }
 539
 540 static void
 541 set_scroll_adjustments (ModestMsgView *msg_view,
 542                         GtkAdjustment *hadj,
 543                         GtkAdjustment *vadj)
 544 {
 545         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 546         modest_msg_view_set_hadjustment (msg_view, hadj);
 547         modest_msg_view_set_vadjustment (msg_view, vadj);
 548
 549         gtk_container_set_focus_vadjustment (GTK_CONTAINER (priv->body_view), vadj);
 550 }
 551
 552 static void
 553 realize (GtkWidget *widget)
 554 {
 555         ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
 556         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 557         GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
 558         GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
 559         GdkWindowAttr attributes;
 560         gint event_mask;
 561         gint attributes_mask;
 562         GtkAllocation view_allocation;
 563
 564         GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 565
 566         /* The structure of the GdkWindow's is:
 567          *    * widget->window: the shown gdkwindow embedding all the stuff inside
 568          *    * view_window: a backing store gdkwindow containing the headers and contents
 569          *      being scrolled. This window should have all the visible and non visible
 570          *      widgets inside.
 571          *    * headers_window: gdk window for headers_box.
 572          *    * html_window: gdk window for html_scroll (the scrolled window containing the
 573          *      body view showing the contents of the mail).
 574          */
 575
 576         attributes.x = widget->allocation.x;
 577         attributes.y = widget->allocation.y;
 578         attributes.width = widget->allocation.width;
 579         attributes.height = widget->allocation.height;
 580         attributes.window_type = GDK_WINDOW_CHILD;
 581         attributes.wclass = GDK_INPUT_OUTPUT;
 582         attributes.visual = gtk_widget_get_visual (widget);
 583         attributes.colormap = gtk_widget_get_colormap (widget);
 584
 585         event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
 586         attributes.event_mask = event_mask | GDK_BUTTON_PRESS_MASK;
 587         attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 588
 589         widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
 590                                          &attributes, attributes_mask);
 591         gdk_window_set_user_data (widget->window, msg_view);
 592
 593         get_view_allocation (msg_view, &view_allocation);
 594
 595         attributes.x = view_allocation.x;
 596         attributes.y = view_allocation.y;
 597         attributes.width = view_allocation.width;
 598         attributes.height = view_allocation.height;
 599         attributes.event_mask = 0;
 600         priv->view_window = gdk_window_new (widget->window, &attributes, attributes_mask);
 601         gdk_window_set_user_data (priv->view_window, msg_view);
 602         gdk_window_set_back_pixmap (priv->view_window, NULL, FALSE);
 603
 604         attributes.x = -hadj->value;
 605         attributes.y = -vadj->value;
 606         attributes.width = hadj->upper;
 607         if (priv->headers_box)
 608                 attributes.height = GTK_WIDGET (priv->headers_box)->allocation.height;
 609         else
 610                 attributes.height = 1;
 611         attributes.event_mask = event_mask;
 612
 613         priv->headers_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 614         gdk_window_set_user_data (priv->headers_window, msg_view);
 615
 616         if (priv->headers_box)
 617                 gtk_widget_set_parent_window (priv->headers_box, priv->headers_window);
 618
 619         attributes.x = -hadj->value;
 620         if (priv->headers_box)
 621                 attributes.y = GTK_WIDGET (priv->headers_box)->allocation.height - vadj->value;
 622         else
 623                 attributes.y = -vadj->value;
 624         attributes.width = hadj->upper;
 625         if (priv->headers_box)
 626                 attributes.height = vadj->upper - GTK_WIDGET (priv->headers_box)->allocation.height;
 627         else
 628                 attributes.height = vadj->upper;
 629         attributes.event_mask = event_mask;
 630
 631         priv->html_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 632         gdk_window_set_user_data (priv->html_window, msg_view);
 633
 634         if (priv->html_scroll)
 635                 gtk_widget_set_parent_window (priv->html_scroll, priv->html_window);
 636
 637         widget->style = gtk_style_attach (widget->style, widget->window);
 638         gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 639         gtk_style_set_background (widget->style, priv->headers_window, GTK_STATE_NORMAL);
 640         gtk_style_set_background (widget->style, priv->html_window, GTK_STATE_NORMAL);
 641
 642         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 643                            GTK_SHADOW_NONE,
 644                            NULL, widget, "msgviewheaders",
 645                            0,0,-1,-1);
 646         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 647                            GTK_SHADOW_NONE,
 648                            NULL, widget, "msgviewcontents",
 649                            0,0,-1,-1);
 650
 651         gdk_window_show (priv->view_window);
 652         gdk_window_show (priv->headers_window);
 653         gdk_window_show (priv->html_window);
 654
 655 }
 656
 657 static void
 658 unrealize (GtkWidget *widget)
 659 {
 660         ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
 661         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 662
 663         gdk_window_set_user_data (priv->view_window, NULL);
 664         gdk_window_destroy (priv->view_window);
 665         priv->view_window = NULL;
 666
 667         gdk_window_set_user_data (priv->headers_window, NULL);
 668         gdk_window_destroy (priv->headers_window);
 669         priv->headers_window = NULL;
 670
 671         gdk_window_set_user_data (priv->html_window, NULL);
 672         gdk_window_destroy (priv->html_window);
 673         priv->html_window = NULL;
 674
 675         if (GTK_WIDGET_CLASS (parent_class)->unrealize)
 676                 ( * GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
 677
 678 }
 679
 680 static gint
 681 expose (GtkWidget *widget,
 682         GdkEventExpose *event)
 683 {
 684         ModestMsgView *msg_view;
 685         ModestMsgViewPrivate *priv;
 686
 687         if (GTK_WIDGET_DRAWABLE (widget)) {
 688                 msg_view = MODEST_MSG_VIEW (widget);
 689                 priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 690                 if (event->window == widget->window) {
 691                         gtk_paint_shadow (widget->style, widget->window,
 692                                           GTK_STATE_NORMAL, priv->shadow_type,
 693                                           &event->area, widget, "msgview",
 694                                           0,0,-1,-1);
 695                 } else if (event->window == priv->headers_window) {
 696                         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 697                                            GTK_SHADOW_NONE,
 698                                            &event->area, widget, "msgviewheaders",
 699                                            0,0,-1,-1);
 700                 } else if (event->window == priv->html_window) {
 701                         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 702                                            GTK_SHADOW_NONE,
 703                                            &event->area, widget, "msgviewcontents",
 704                                            0,0,-1,-1);
 705                 }
 706                 if (priv->headers_box)
 707                         gtk_container_propagate_expose (GTK_CONTAINER (msg_view), priv->headers_box, event);
 708                 if (priv->html_scroll)
 709                         gtk_container_propagate_expose (GTK_CONTAINER (msg_view), priv->html_scroll, event);
 710                 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
 711         }
 712
 713         return FALSE;
 714 }
 715
 716 static void
 717 forall (GtkContainer *container,
 718         gboolean include_internals,
 719         GtkCallback callback,
 720         gpointer userdata)
 721 {
 722         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (container);
 723         g_return_if_fail (callback != NULL);
 724
 725         if (priv->headers_box)
 726                 (*callback) (priv->headers_box, userdata);
 727         if (priv->html_scroll)
 728                 (*callback) (priv->html_scroll, userdata);
 729 }
 730
 731 static void
 732 container_remove (GtkContainer *container,
 733                   GtkWidget *widget)
 734 {
 735         gboolean was_visible = FALSE;
 736         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (container);
 737         was_visible = GTK_WIDGET_VISIBLE (widget);
 738         if (widget == priv->headers_box) {
 739                 gtk_widget_unparent (priv->headers_box);
 740                 priv->headers_box = NULL;
 741         } else if (widget == priv->html_scroll) {
 742                 gtk_widget_unparent (priv->html_scroll);
 743                 priv->html_scroll = NULL;
 744         } else {
 745                 return;
 746         }
 747         if (was_visible)
 748                 gtk_widget_queue_resize (GTK_WIDGET(container));
 749
 750 }
 751
 752 static void
 753 size_request (GtkWidget *widget,
 754               GtkRequisition *req)
 755 {
 756         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (widget);
 757         GtkRequisition child_req;
 758
 759         req->width = 0;
 760         req->height = 0;
 761
 762         gtk_widget_size_request (priv->headers_box, &child_req);
 763         req->width = child_req.width;
 764         req->height += child_req.height;
 765         gtk_widget_size_request (priv->html_scroll, &child_req);
 766         req->width = MAX (child_req.width, req->width);
 767         req->height += child_req.height;
 768
 769 }
 770
 771 static void
 772 size_allocate (GtkWidget *widget,
 773                GtkAllocation *allocation)
 774 {
 775         ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
 776         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 777         gboolean hadj_value_changed, vadj_value_changed;
 778         GtkAllocation headers_allocation, html_allocation, view_allocation;
 779         GtkAdjustment *html_vadj;
 780
 781         if (GTK_WIDGET_MAPPED (widget) &&
 782             priv->shadow_type != GTK_SHADOW_NONE &&
 783             (allocation->width != widget->allocation.width ||
 784              allocation->height != widget->allocation.height))
 785                 gdk_window_invalidate_rect (widget->window, NULL, FALSE);
 786
 787         widget->allocation = *allocation;
 788         set_hadjustment_values (msg_view, &hadj_value_changed);
 789         set_vadjustment_values (msg_view, &vadj_value_changed);
 790
 791         get_view_allocation (msg_view, &view_allocation);
 792
 793         headers_allocation.x = 0;
 794         headers_allocation.y = 0;
 795         headers_allocation.width = view_allocation.width;
 796         if (priv->headers_box)
 797                 headers_allocation.height = GTK_WIDGET (priv->headers_box)->requisition.height;
 798         else
 799                 headers_allocation.height = 0;
 800
 801         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 802
 803         html_allocation.x = 0;
 804         html_allocation.y = headers_allocation.height;
 805         html_allocation.width = view_allocation.width;
 806         html_allocation.height = MAX ((gint) html_vadj->upper, (gint)(priv->vadj->upper - headers_allocation.height));
 807
 808         if (GTK_WIDGET_REALIZED (widget)) {
 809                 gdk_window_move_resize (widget->window,
 810                                         allocation->x,
 811                                         allocation->y,
 812                                         allocation->width,
 813                                         allocation->height);
 814
 815                 gdk_window_move_resize (priv->view_window,
 816                                         view_allocation.x,
 817                                         view_allocation.y,
 818                                         view_allocation.width,
 819                                         view_allocation.height);
 820                 gdk_window_move_resize (priv->headers_window,
 821                                         0,
 822                                         (gint) (- priv->vadj->value),
 823                                         allocation->width,
 824                                         headers_allocation.height);
 825                 gdk_window_move_resize (priv->html_window,
 826                                         (gint) (- priv->hadj->value),
 827                                         (gint) (html_allocation.y - priv->vadj->value),
 828                                         (gint) priv->hadj->upper,
 829                                         html_allocation.height);
 830         }
 831
 832         if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 833                 gtk_widget_size_allocate (priv->headers_box, &headers_allocation);
 834         }
 835         if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 836                 html_allocation.x = 0;
 837                 html_allocation.y = 0;
 838                 html_allocation.width = (gint) priv->hadj->upper;
 839                 html_allocation.height = (gint) priv->vadj->upper - headers_allocation.height;
 840                 gtk_widget_size_allocate (priv->html_scroll, &html_allocation);
 841         }
 842         gtk_adjustment_changed (priv->hadj);
 843         gtk_adjustment_changed (priv->vadj);
 844
 845         if (hadj_value_changed)
 846                 gtk_adjustment_value_changed (priv->hadj);
 847         if (vadj_value_changed)
 848                 gtk_adjustment_value_changed (priv->vadj);
 849
 850 }
 851
 852 static void
 853 adjustment_value_changed (GtkAdjustment *adj, gpointer data)
 854 {
 855         ModestMsgView *msg_view = NULL;
 856         ModestMsgViewPrivate *priv = NULL;
 857
 858         g_return_if_fail (GTK_IS_ADJUSTMENT (adj));
 859         g_return_if_fail (MODEST_IS_MSG_VIEW (data));
 860
 861         msg_view = MODEST_MSG_VIEW (data);
 862         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 863
 864         if (GTK_WIDGET_REALIZED (msg_view)) {
 865                 GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
 866                 GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
 867                 gint headers_offset = 0;
 868
 869                 gtk_widget_queue_resize (priv->html_scroll);
 870
 871                 if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 872                         gint old_x, old_y;
 873                         gint new_x, new_y;
 874                         gdk_window_get_position (priv->headers_window, &old_x, &old_y);
 875                         new_x = 0;
 876                         new_y = -vadj->value;
 877
 878                         headers_offset = GTK_WIDGET(priv->headers_box)->allocation.height;
 879
 880                         if (new_x != old_x || new_y != old_y) {
 881                                 gdk_window_move (priv->headers_window, new_x, new_y);
 882                                 gdk_window_process_updates (priv->headers_window, TRUE);
 883                         }
 884                 }
 885
 886                 if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 887                         gint old_x, old_y;
 888                         gint new_x, new_y;
 889                         gdk_window_get_position (priv->html_window, &old_x, &old_y);
 890                         new_x = -hadj->value;
 891                         new_y = headers_offset - vadj->value;
 892
 893                         if (new_x != old_x || new_y != old_y) {
 894                                 gdk_window_move (priv->html_window, new_x, new_y);
 895                                 gdk_window_process_updates (priv->html_window, TRUE);
 896                         }
 897                 }
 898
 899         }
 900 }
 901
 902 static void
 903 html_adjustment_changed (GtkAdjustment *adj,
 904                          gpointer userdata)
 905 {
 906         ModestMsgView *msg_view = MODEST_MSG_VIEW (userdata);
 907         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 908         GtkAdjustment *html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
 909         gboolean vadj_changed;
 910         gint new_height;
 911
 912         g_signal_stop_emission_by_name (G_OBJECT (adj), "changed");
 913
 914         priv->html_scroll->requisition.height = html_vadj->upper;
 915         if (html_vadj->upper == priv->html_scroll->allocation.height)
 916                 return;
 917         priv->html_scroll->allocation.height = html_vadj->upper;
 918
 919         set_vadjustment_values (msg_view, &vadj_changed);
 920
 921         new_height = MAX ((gint) html_vadj->upper, (gint) (priv->vadj->upper - priv->headers_box->allocation.height));
 922
 923         gtk_adjustment_changed (priv->vadj);
 924         if (GTK_WIDGET_DRAWABLE (priv->html_scroll)) {
 925                 gdk_window_resize (priv->html_window, (gint) priv->hadj->upper, (gint) new_height);
 926                 gdk_window_process_updates (priv->view_window, TRUE);
 927                 gtk_container_resize_children (GTK_CONTAINER (msg_view));
 928         }
 929
 930 }
 931
 932 static void
 933 modest_msg_view_init (ModestMsgView *obj)
 934 {
 935         ModestMsgViewPrivate *priv;
 936         GtkAdjustment *html_vadj;
 937         GtkWidget *separator;
 938
 939         GTK_WIDGET_UNSET_FLAGS (obj, GTK_NO_WINDOW);
 940         gtk_widget_set_redraw_on_allocate (GTK_WIDGET (obj), TRUE);
 941         gtk_container_set_reallocate_redraws (GTK_CONTAINER (obj), TRUE);
 942         gtk_container_set_resize_mode (GTK_CONTAINER (obj), GTK_RESIZE_QUEUE);
 943
 944         priv = MODEST_MSG_VIEW_GET_PRIVATE(obj);
 945
 946         priv->current_zoom = 1.0;
 947         priv->priority_flags = 0;
 948
 949         priv->hadj = NULL;
 950         priv->vadj = NULL;
 951         priv->shadow_type = GTK_SHADOW_IN;
 952         priv->view_window = NULL;
 953         priv->headers_window = NULL;
 954         priv->html_window = NULL;
 955
 956         gtk_widget_push_composite_child ();
 957         priv->html_scroll = gtk_scrolled_window_new (NULL, NULL);
 958         gtk_widget_set_composite_name (priv->html_scroll, "contents");
 959         gtk_widget_pop_composite_child ();
 960         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->html_scroll), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 961
 962         priv->msg                     = NULL;
 963
 964         priv->body_view                 = GTK_WIDGET (g_object_new (MODEST_TYPE_GTKHTML_MIME_PART_VIEW, NULL));
 965         priv->mail_header_view        = GTK_WIDGET(modest_mail_header_view_new (TRUE));
 966         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
 967
 968         priv->attachments_view        = GTK_WIDGET(modest_attachments_view_new (NULL));
 969
 970         priv->sig1 = g_signal_connect (G_OBJECT(priv->body_view), "activate_link",
 971                                        G_CALLBACK(on_activate_link), obj);
 972         priv->sig2 = g_signal_connect (G_OBJECT(priv->body_view), "fetch_url",
 973                                        G_CALLBACK(on_fetch_url), obj);
 974         priv->sig3 = g_signal_connect (G_OBJECT(priv->body_view), "link_hover",
 975                                        G_CALLBACK(on_link_hover), obj);
 976
 977         g_signal_connect (G_OBJECT (priv->mail_header_view), "recpt-activated",
 978                           G_CALLBACK (on_recpt_activated), obj);
 979
 980         g_signal_connect (G_OBJECT (priv->attachments_view), "activate",
 981                           G_CALLBACK (on_attachment_activated), obj);
 982
 983         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
 984
 985         g_signal_connect (G_OBJECT (html_vadj), "changed",
 986                           G_CALLBACK (html_adjustment_changed), obj);
 987
 988         gtk_widget_push_composite_child ();
 989         priv->headers_box = gtk_vbox_new (0, FALSE);
 990         gtk_widget_set_composite_name (priv->headers_box, "headers");
 991         gtk_widget_pop_composite_child ();
 992
 993         if (priv->mail_header_view)
 994                 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->mail_header_view, FALSE, FALSE, 0);
 995
 996         if (priv->attachments_view) {
 997                 gchar *att_label = g_strconcat (_("mcen_me_viewer_attachments"), ":", NULL);
 998
 999                 priv->attachments_box = (GtkWidget *)
1000                         modest_mail_header_view_add_custom_header (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view),
1001                                                                    att_label,
1002                                                                    priv->attachments_view,
1003                                                                    FALSE, FALSE);
1004                 gtk_widget_hide_all (priv->attachments_box);
1005                 g_free (att_label);
1006         }
1007
1008         separator = gtk_hseparator_new ();
1009         gtk_box_pack_start (GTK_BOX(priv->headers_box), separator, FALSE, FALSE, 0);
1010
1011         gtk_widget_set_parent (priv->headers_box, GTK_WIDGET (obj));
1012
1013         if (priv->body_view) {
1014                 gtk_container_add (GTK_CONTAINER (priv->html_scroll), priv->body_view);
1015                 gtk_widget_set_parent (priv->html_scroll, GTK_WIDGET(obj));
1016 #ifdef MAEMO_CHANGES
1017                 gtk_widget_tap_and_hold_setup (GTK_WIDGET (priv->body_view), NULL, NULL, 0);
1018                 g_signal_connect (G_OBJECT (priv->body_view), "tap-and-hold", G_CALLBACK (on_tap_and_hold), obj);
1019 #endif
1020         }
1021
1022 }
1023
1024
1025 static void
1026 modest_msg_view_finalize (GObject *obj)
1027 {
1028         ModestMsgViewPrivate *priv;
1029         priv = MODEST_MSG_VIEW_GET_PRIVATE (obj);
1030
1031         if (priv->msg) {
1032                 g_object_unref (G_OBJECT(priv->msg));
1033                 priv->msg = NULL;
1034         }
1035
1036         /* we cannot disconnect sigs, because priv->body_view is
1037          * already dead */
1038
1039         disconnect_vadjustment (MODEST_MSG_VIEW(obj));
1040         disconnect_hadjustment (MODEST_MSG_VIEW(obj));
1041
1042         priv->body_view = NULL;
1043         priv->attachments_view = NULL;
1044
1045         G_OBJECT_CLASS(parent_class)->finalize (obj);
1046 }
1047
1048 static void
1049 modest_msg_view_destroy (GtkObject *obj)
1050 {
1051         disconnect_vadjustment (MODEST_MSG_VIEW(obj));
1052         disconnect_hadjustment (MODEST_MSG_VIEW(obj));
1053
1054         GTK_OBJECT_CLASS(parent_class)->destroy (obj);
1055 }
1056
1057 GtkAdjustment *
1058 modest_msg_view_get_vadjustment (ModestMsgView *msg_view)
1059 {
1060         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1061
1062         if (!priv->vadj)
1063                 modest_msg_view_set_vadjustment (msg_view, NULL);
1064
1065         return priv->vadj;
1066
1067 }
1068
1069 GtkAdjustment *
1070 modest_msg_view_get_hadjustment (ModestMsgView *msg_view)
1071 {
1072         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1073
1074         if (!priv->hadj)
1075                 modest_msg_view_set_hadjustment (msg_view, NULL);
1076
1077         return priv->hadj;
1078
1079 }
1080
1081 void
1082 modest_msg_view_set_hadjustment (ModestMsgView *msg_view, GtkAdjustment *hadj)
1083 {
1084         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1085         gboolean value_changed;
1086
1087         if (hadj && hadj == priv->hadj)
1088                 return;
1089
1090         if (!hadj)
1091                 hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0));
1092         disconnect_hadjustment (msg_view);
1093         g_object_ref (G_OBJECT (hadj));
1094         gtk_object_sink (GTK_OBJECT (hadj));
1095         priv->hadj = hadj;
1096         set_hadjustment_values (msg_view, &value_changed);
1097
1098         g_signal_connect (hadj, "value_changed", G_CALLBACK (adjustment_value_changed),
1099                           msg_view);
1100
1101         gtk_adjustment_changed (hadj);
1102         if (value_changed)
1103                 gtk_adjustment_value_changed (hadj);
1104         else
1105                 adjustment_value_changed (hadj, msg_view);
1106
1107         g_object_notify (G_OBJECT (msg_view), "hadjustment");
1108 }
1109
1110 void
1111 modest_msg_view_set_vadjustment (ModestMsgView *msg_view, GtkAdjustment *vadj)
1112 {
1113         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1114         gboolean value_changed;
1115
1116         if (vadj && vadj == priv->vadj)
1117                 return;
1118
1119         if (!vadj)
1120                 vadj = (GtkAdjustment *) gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0);
1121         disconnect_vadjustment (msg_view);
1122         g_object_ref (G_OBJECT (vadj));
1123         gtk_object_sink (GTK_OBJECT (vadj));
1124         priv->vadj = vadj;
1125         set_vadjustment_values (msg_view, &value_changed);
1126
1127         g_signal_connect (vadj, "value_changed", G_CALLBACK (adjustment_value_changed),
1128                           msg_view);
1129
1130         gtk_adjustment_changed (vadj);
1131         if (value_changed)
1132                 gtk_adjustment_value_changed (vadj);
1133         else
1134                 adjustment_value_changed (vadj, msg_view);
1135
1136         g_object_notify (G_OBJECT (msg_view), "vadjustment");
1137 }
1138
1139 /**
1140  * modest_msg_view_set_shadow_type:
1141  * @msg_view: a #ModestMsgView.
1142  * @shadow_type: new shadow type.
1143  *
1144  * Sets a shadow type of the message view.
1145  **/
1146 void
1147 modest_msg_view_set_shadow_type (ModestMsgView *msg_view,
1148                                  GtkShadowType shadow_type)
1149 {
1150         ModestMsgViewPrivate *priv;
1151         g_return_if_fail (MODEST_IS_MSG_VIEW (msg_view));
1152
1153         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1154
1155         if (priv->shadow_type != shadow_type) {
1156                 priv->shadow_type = shadow_type;
1157
1158                 if (GTK_WIDGET_VISIBLE (msg_view)) {
1159                         gtk_widget_size_allocate (GTK_WIDGET (msg_view), &(GTK_WIDGET (msg_view)->allocation));
1160                         gtk_widget_queue_draw (GTK_WIDGET (msg_view));
1161                 }
1162                 g_object_notify (G_OBJECT (msg_view), "shadow-type");
1163         }
1164 }
1165
1166 /**
1167  * modest_msg_view_get_shadow_type:
1168  * @msg_view: a #ModestMsgView
1169  *
1170  * Gets the current shadow type of the #ModestMsgView.
1171  *
1172  * Return value: the shadow type
1173  **/
1174 GtkShadowType
1175 modest_msg_view_get_shadow_type (ModestMsgView *msg_view)
1176 {
1177         ModestMsgViewPrivate *priv;
1178         g_return_val_if_fail (MODEST_IS_MSG_VIEW (msg_view), GTK_SHADOW_NONE);
1179         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1180
1181         return priv->shadow_type;
1182 }
1183
1184 GtkWidget*
1185 modest_msg_view_new (TnyMsg *msg)
1186 {
1187         GObject *obj;
1188         ModestMsgView* self;
1189
1190         obj  = G_OBJECT(g_object_new(MODEST_TYPE_MSG_VIEW, NULL));
1191         self = MODEST_MSG_VIEW(obj);
1192         tny_msg_view_set_msg (TNY_MSG_VIEW (self), msg);
1193
1194         return GTK_WIDGET(self);
1195 }
1196
1197 #ifdef MAEMO_CHANGES
1198 static void
1199 on_tap_and_hold (GtkWidget *widget,
1200                  gpointer data)
1201 {
1202         ModestMsgView *msg_view = (ModestMsgView *) data;
1203         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1204
1205         g_signal_emit (G_OBJECT (msg_view), signals[LINK_CONTEXTUAL_SIGNAL],
1206                        0, priv->last_url);
1207 }
1208 #endif
1209
1210 static void
1211 on_recpt_activated (ModestMailHeaderView *header_view,
1212                     const gchar *address,
1213                     ModestMsgView * view)
1214 {
1215         g_signal_emit (G_OBJECT (view), signals[RECPT_ACTIVATED_SIGNAL], 0, address);
1216 }
1217
1218 static void
1219 on_attachment_activated (ModestAttachmentsView * att_view, TnyMimePart *mime_part, gpointer msg_view)
1220 {
1221
1222         g_signal_emit (G_OBJECT(msg_view), signals[ATTACHMENT_CLICKED_SIGNAL],
1223                        0, mime_part);
1224 }
1225
1226 static gboolean
1227 on_activate_link (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
1228 {
1229         g_return_val_if_fail (msg_view, FALSE);
1230
1231         g_signal_emit (G_OBJECT(msg_view), signals[LINK_CLICKED_SIGNAL],
1232                        0, uri);
1233
1234         return FALSE;
1235 }
1236
1237
1238 static gboolean
1239 on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
1240 {
1241         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1242
1243         g_free (priv->last_url);
1244         priv->last_url = g_strdup (uri);
1245
1246         g_signal_emit (G_OBJECT(msg_view), signals[LINK_HOVER_SIGNAL],
1247                        0, uri);
1248
1249         return FALSE;
1250 }
1251
1252
1253
1254 static TnyMimePart *
1255 find_cid_image (TnyMsg *msg, const gchar *cid)
1256 {
1257         TnyMimePart *part = NULL;
1258         TnyList *parts;
1259         TnyIterator *iter;
1260
1261         g_return_val_if_fail (msg, NULL);
1262         g_return_val_if_fail (cid, NULL);
1263
1264         parts  = TNY_LIST (tny_simple_list_new());
1265
1266         tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
1267         iter   = tny_list_create_iterator (parts);
1268
1269         while (!tny_iterator_is_done(iter)) {
1270                 const gchar *part_cid;
1271
1272                 part = TNY_MIME_PART(tny_iterator_get_current(iter));
1273                 part_cid = tny_mime_part_get_content_id (part);
1274
1275                 if (part_cid && strcmp (cid, part_cid) == 0)
1276                         break;
1277
1278                 if (tny_mime_part_content_type_is (part, "multipart/related")) {
1279                         TnyList *related_parts = TNY_LIST (tny_simple_list_new ());
1280                         TnyIterator *related_iter = NULL;
1281                         TnyMimePart *related_part = NULL;
1282
1283                         tny_mime_part_get_parts (part, related_parts);
1284                         related_iter = tny_list_create_iterator (related_parts);
1285
1286                         while (!tny_iterator_is_done (related_iter)) {
1287                                 related_part = TNY_MIME_PART (tny_iterator_get_current (related_iter));
1288                                 part_cid = tny_mime_part_get_content_id (related_part);
1289                                 if (part_cid && strcmp (cid, part_cid) == 0) {
1290                                         break;
1291                                 }
1292                                 g_object_unref (related_part);
1293                                 related_part = NULL;
1294                                 tny_iterator_next (related_iter);
1295                         }
1296
1297                         g_object_unref (related_iter);
1298                         g_object_unref (related_parts);
1299                         if (related_part != NULL) {
1300                                 g_object_unref (part);
1301                                 part = related_part;
1302                                 break;
1303                         }
1304                 }
1305
1306                 g_object_unref (G_OBJECT(part));
1307
1308                 part = NULL;
1309                 tny_iterator_next (iter);
1310         }
1311
1312         g_object_unref (G_OBJECT(iter));
1313         g_object_unref (G_OBJECT(parts));
1314
1315         return part;
1316 }
1317
1318
1319 static gboolean
1320 on_fetch_url (GtkWidget *widget, const gchar *uri,
1321               TnyStream *stream, ModestMsgView *msg_view)
1322 {
1323         ModestMsgViewPrivate *priv;
1324         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1325         gboolean result = FALSE;
1326
1327         if (g_str_has_prefix (uri, "cid:")) {
1328                 /* +4 ==> skip "cid:" */
1329                 TnyMimePart *part = find_cid_image (priv->msg, uri + 4);
1330                 if (!part) {
1331                         g_printerr ("modest: '%s' not found\n", uri + 4);
1332                         result = FALSE;
1333                 } else {
1334                         tny_mime_part_decode_to_stream ((TnyMimePart*)part,
1335                                                         stream);
1336                         g_object_unref (G_OBJECT(part));
1337                         result = TRUE;
1338                 }
1339         } else {
1340                 return TRUE;
1341         }
1342
1343         return result;
1344 }
1345
1346 static void
1347 set_message (ModestMsgView *self, TnyMsg *msg)
1348 {
1349         TnyMimePart *body;
1350         ModestMsgViewPrivate *priv;
1351         TnyHeader *header;
1352         GtkAdjustment *html_vadj;
1353
1354         g_return_if_fail (self);
1355
1356         priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1357         gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
1358
1359         if (msg != priv->msg) {
1360                 if (priv->msg)
1361                         g_object_unref (G_OBJECT(priv->msg));
1362                 if (msg)
1363                         g_object_ref   (G_OBJECT(msg));
1364                 priv->msg = msg;
1365         }
1366
1367         if (!msg) {
1368                 tny_header_view_clear (TNY_HEADER_VIEW (priv->mail_header_view));
1369                 modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW (priv->attachments_view), NULL);
1370                 gtk_widget_hide_all (priv->mail_header_view);
1371                 gtk_widget_hide_all (priv->attachments_box);
1372                 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1373                 tny_mime_part_view_clear (TNY_MIME_PART_VIEW (priv->body_view));
1374                 gtk_widget_queue_resize (GTK_WIDGET(self));
1375                 gtk_widget_queue_draw (GTK_WIDGET(self));
1376                 return;
1377         }
1378
1379         header = tny_msg_get_header (msg);
1380         tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
1381         g_object_unref (header);
1382
1383         modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW(priv->attachments_view),
1384                                              msg);
1385
1386         body = modest_tny_msg_find_body_part (msg, TRUE);
1387         if (body) {
1388                 tny_mime_part_view_set_part (TNY_MIME_PART_VIEW (priv->body_view), body);
1389
1390                 if(modest_attachments_view_has_attachments (MODEST_ATTACHMENTS_VIEW (priv->attachments_view))) {
1391                         gtk_widget_show_all (priv->attachments_box);
1392                 } else {
1393                         gtk_widget_hide_all (priv->attachments_box);
1394                 }
1395
1396         } else
1397                 tny_mime_part_view_clear (TNY_MIME_PART_VIEW (priv->body_view));
1398
1399         gtk_widget_show (priv->body_view);
1400         gtk_widget_set_no_show_all (priv->attachments_box, TRUE);
1401         gtk_widget_show_all (priv->mail_header_view);
1402         gtk_widget_set_no_show_all (priv->attachments_box, FALSE);
1403         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1404         gtk_widget_queue_resize (GTK_WIDGET(self));
1405         gtk_widget_queue_draw (GTK_WIDGET(self));
1406
1407         if (priv->hadj != NULL)
1408                 priv->hadj->value = 0.0;
1409         if (priv->vadj != NULL)
1410                 priv->vadj->value = 0.0;
1411
1412         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1413
1414         g_signal_emit_by_name (G_OBJECT (html_vadj), "changed");
1415
1416         /* This is a hack to force reallocation of scroll after drawing all the stuff. This
1417          * makes the html view get the proper and expected size and prevent being able to scroll
1418          * the buffer when it shouldn't be scrollable */
1419         g_object_ref (self);
1420         g_timeout_add (250, (GSourceFunc) idle_readjust_scroll, self);
1421 }
1422
1423
1424 static TnyMsg*
1425 get_message (ModestMsgView *self)
1426 {
1427         TnyMsg *msg;
1428
1429         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), NULL);
1430
1431         msg = MODEST_MSG_VIEW_GET_PRIVATE(self)->msg;
1432
1433         if (msg)
1434                 g_object_ref (msg);
1435
1436         return msg;
1437 }
1438
1439 gboolean
1440 modest_msg_view_get_message_is_empty (ModestMsgView *self)
1441 {
1442         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1443
1444         return modest_mime_part_view_is_empty (MODEST_MIME_PART_VIEW (priv->body_view));
1445 }
1446
1447 /* TNY MSG IMPLEMENTATION */
1448
1449 static void
1450 tny_msg_view_init (gpointer g, gpointer iface_data)
1451 {
1452         TnyMsgViewIface *klass = (TnyMsgViewIface *)g;
1453
1454         klass->get_msg_func = modest_msg_view_get_msg;
1455         klass->set_msg_func = modest_msg_view_set_msg;
1456         klass->set_unavailable_func = modest_msg_view_set_unavailable;
1457         klass->clear_func = modest_msg_view_clear;
1458         klass->create_mime_part_view_for_func = modest_msg_view_create_mime_part_view_for;
1459         klass->create_new_inline_viewer_func = modest_msg_view_create_new_inline_viewer;
1460
1461         return;
1462 }
1463
1464 static TnyMsg *
1465 modest_msg_view_get_msg (TnyMsgView *self)
1466 {
1467         return MODEST_MSG_VIEW_GET_CLASS (self)->get_msg_func (self);
1468 }
1469
1470 static TnyMsg *
1471 modest_msg_view_get_msg_default (TnyMsgView *self)
1472 {
1473         return TNY_MSG (tny_mime_part_view_get_part (TNY_MIME_PART_VIEW (self)));
1474 }
1475
1476 static void
1477 modest_msg_view_set_msg (TnyMsgView *self, TnyMsg *msg)
1478 {
1479         MODEST_MSG_VIEW_GET_CLASS (self)->set_msg_func (self, msg);
1480 }
1481
1482 static void
1483 modest_msg_view_set_msg_default (TnyMsgView *self, TnyMsg *msg)
1484 {
1485
1486         tny_mime_part_view_set_part (TNY_MIME_PART_VIEW (self), TNY_MIME_PART (msg));
1487
1488         return;
1489 }
1490
1491 static void
1492 modest_msg_view_set_unavailable (TnyMsgView *self)
1493 {
1494         MODEST_MSG_VIEW_GET_CLASS (self)->set_unavailable_func (self);
1495 }
1496
1497 static void
1498 modest_msg_view_set_unavailable_default (TnyMsgView *self)
1499 {
1500         tny_msg_view_clear (self);
1501
1502         return;
1503 }
1504
1505 static void
1506 modest_msg_view_clear (TnyMsgView *self)
1507 {
1508         MODEST_MSG_VIEW_GET_CLASS (self)->clear_func (self);
1509 }
1510
1511 static void
1512 modest_msg_view_clear_default (TnyMsgView *self)
1513 {
1514         set_message (MODEST_MSG_VIEW (self), NULL);
1515 }
1516
1517 static TnyMimePartView*
1518 modest_msg_view_create_mime_part_view_for (TnyMsgView *self, TnyMimePart *part)
1519 {
1520         return MODEST_MSG_VIEW_GET_CLASS (self)->create_mime_part_view_for_func (self, part);
1521 }
1522
1523 static TnyMimePartView*
1524 modest_msg_view_create_mime_part_view_for_default (TnyMsgView *self, TnyMimePart *part)
1525 {
1526         g_warning ("modest_msg_view_create_mime_part_view_for_default is not implemented");
1527         return NULL;
1528 }
1529
1530 static TnyMsgView*
1531 modest_msg_view_create_new_inline_viewer (TnyMsgView *self)
1532 {
1533         return MODEST_MSG_VIEW_GET_CLASS (self)->create_new_inline_viewer_func (self);
1534 }
1535
1536 static TnyMsgView*
1537 modest_msg_view_create_new_inline_viewer_default (TnyMsgView *self)
1538 {
1539         g_warning ("modest_msg_view_create_new_inline_viewer_default is not implemented");
1540
1541         return NULL;
1542 }
1543
1544 /* TNY MIME PART IMPLEMENTATION */
1545
1546 static void
1547 tny_mime_part_view_init (gpointer g, gpointer iface_data)
1548 {
1549         TnyMimePartViewIface *klass = (TnyMimePartViewIface *)g;
1550
1551         klass->get_part_func = modest_msg_view_mp_get_part;
1552         klass->set_part_func = modest_msg_view_mp_set_part;
1553         klass->clear_func = modest_msg_view_mp_clear;
1554
1555         return;
1556 }
1557
1558 static TnyMimePart*
1559 modest_msg_view_mp_get_part (TnyMimePartView *self)
1560 {
1561         return MODEST_MSG_VIEW_GET_CLASS (self)->get_part_func (self);
1562 }
1563
1564
1565 static TnyMimePart*
1566 modest_msg_view_mp_get_part_default (TnyMimePartView *self)
1567 {
1568         return TNY_MIME_PART (get_message (MODEST_MSG_VIEW (self)));
1569 }
1570
1571 static void
1572 modest_msg_view_mp_set_part (TnyMimePartView *self,
1573                              TnyMimePart *part)
1574 {
1575         MODEST_MSG_VIEW_GET_CLASS (self)->set_part_func (self, part);
1576 }
1577
1578 static void
1579 modest_msg_view_mp_set_part_default (TnyMimePartView *self,
1580                                      TnyMimePart *part)
1581 {
1582         g_return_if_fail ((part == NULL) || TNY_IS_MSG (part));
1583
1584         set_message (MODEST_MSG_VIEW (self), TNY_MSG (part));
1585 }
1586
1587 static void
1588 modest_msg_view_mp_clear (TnyMimePartView *self)
1589 {
1590         tny_msg_view_clear (TNY_MSG_VIEW (self));
1591 }
1592
1593 /* MODEST ZOOMABLE IMPLEMENTATION */
1594 static void
1595 modest_zoomable_init (gpointer g, gpointer iface_data)
1596 {
1597         ModestZoomableIface *klass = (ModestZoomableIface *)g;
1598
1599         klass->get_zoom_func = modest_msg_view_get_zoom;
1600         klass->set_zoom_func = modest_msg_view_set_zoom;
1601         klass->zoom_minus_func = modest_msg_view_zoom_minus;
1602         klass->zoom_plus_func = modest_msg_view_zoom_plus;
1603
1604         return;
1605 }
1606
1607 static gdouble
1608 modest_msg_view_get_zoom (ModestZoomable *self)
1609 {
1610         return MODEST_MSG_VIEW_GET_CLASS (self)->get_zoom_func (self);
1611 }
1612
1613 static gdouble
1614 modest_msg_view_get_zoom_default (ModestZoomable *self)
1615 {
1616         return get_zoom (MODEST_MSG_VIEW (self));
1617 }
1618
1619 static void
1620 modest_msg_view_set_zoom (ModestZoomable *self, gdouble value)
1621 {
1622         MODEST_MSG_VIEW_GET_CLASS (self)->set_zoom_func (self, value);
1623 }
1624
1625 static void
1626 modest_msg_view_set_zoom_default (ModestZoomable *self, gdouble value)
1627 {
1628         set_zoom (MODEST_MSG_VIEW (self), value);
1629 }
1630
1631 static gboolean
1632 modest_msg_view_zoom_minus (ModestZoomable *self)
1633 {
1634         return MODEST_MSG_VIEW_GET_CLASS (self)->zoom_minus_func (self);
1635 }
1636
1637 static gboolean
1638 modest_msg_view_zoom_minus_default (ModestZoomable *self)
1639 {
1640         /* operation not supported in ModestMsgView */
1641         return FALSE;
1642 }
1643
1644 static gboolean
1645 modest_msg_view_zoom_plus (ModestZoomable *self)
1646 {
1647         return MODEST_MSG_VIEW_GET_CLASS (self)->zoom_plus_func (self);
1648 }
1649
1650 static gboolean
1651 modest_msg_view_zoom_plus_default (ModestZoomable *self)
1652 {
1653         /* operation not supported in ModestMsgView */
1654         return FALSE;
1655 }
1656
1657 /* INCREMENTAL SEARCH IMPLEMENTATION */
1658
1659 gboolean
1660 modest_msg_view_search (ModestMsgView *self, const gchar *search)
1661 {
1662         ModestMsgViewPrivate *priv;
1663         gboolean result;
1664         GtkAdjustment *vadj, *tmp_vadj;
1665         gdouble y_offset;
1666
1667         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), FALSE);
1668
1669         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1670         vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (priv->body_view));
1671         g_object_ref (vadj);
1672         tmp_vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, vadj->lower, vadj->upper, vadj->step_increment, 32.0, 32.0));
1673         gtk_layout_set_vadjustment (GTK_LAYOUT (priv->body_view), tmp_vadj);
1674         result = modest_isearch_view_search (MODEST_ISEARCH_VIEW (priv->body_view),
1675                                              search);
1676
1677         if (result) {
1678                 gint x, y, w, h;
1679                 gdouble offset_top, offset_bottom;
1680                 GtkAdjustment *adj;
1681                 modest_isearch_view_get_selection_area (MODEST_ISEARCH_VIEW (priv->body_view), &x, &y, &w, &h);
1682                 offset_top = (gdouble) (priv->headers_box->requisition.height + y);
1683                 offset_bottom = (gdouble) (priv->headers_box->requisition.height + y + h);
1684                 adj = GTK_ADJUSTMENT (priv->vadj);
1685                 if (offset_top < adj->value)
1686                         gtk_adjustment_set_value (adj, offset_top + adj->page_increment - adj->page_size);
1687                 else if (offset_bottom > adj->value + adj->page_increment)
1688                         gtk_adjustment_set_value (adj, offset_bottom - adj->page_increment);
1689         }
1690
1691         y_offset = tmp_vadj->value;
1692         gtk_layout_set_vadjustment (GTK_LAYOUT (priv->body_view), vadj);
1693         g_object_unref (vadj);
1694
1695         return result;
1696 }
1697
1698 gboolean
1699 modest_msg_view_search_next (ModestMsgView *self)
1700 {
1701         ModestMsgViewPrivate *priv;
1702         gboolean result;
1703
1704         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), FALSE);
1705
1706         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1707         result = modest_isearch_view_search_next (MODEST_ISEARCH_VIEW (priv->body_view));
1708
1709         if (result) {
1710                 gint x, y, w, h;
1711                 gdouble offset_top, offset_bottom;
1712                 GtkAdjustment *adj;
1713                 modest_isearch_view_get_selection_area (MODEST_ISEARCH_VIEW (priv->body_view), &x, &y, &w, &h);
1714                 offset_top = (gdouble) (priv->headers_box->requisition.height + y);
1715                 offset_bottom = (gdouble) (priv->headers_box->requisition.height + y + h);
1716                 adj = GTK_ADJUSTMENT (priv->vadj);
1717                 if (offset_top < adj->value)
1718                         gtk_adjustment_set_value (adj, offset_top + adj->page_increment - adj->page_size);
1719                 else if (offset_bottom > adj->value + adj->page_increment)
1720                         gtk_adjustment_set_value (adj, offset_bottom - adj->page_increment);
1721         }
1722         return result;
1723 }
1724
1725 /* ZOOM IMPLEMENTATION */
1726
1727 static void
1728 set_zoom (ModestMsgView *self, gdouble zoom)
1729 {
1730         ModestMsgViewPrivate *priv;
1731
1732         g_return_if_fail (MODEST_IS_MSG_VIEW (self));
1733         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1734
1735         modest_zoomable_set_zoom (MODEST_ZOOMABLE(priv->body_view), zoom);
1736
1737         gtk_widget_queue_resize (priv->body_view);
1738 }
1739
1740 static gdouble
1741 get_zoom (ModestMsgView *self)
1742 {
1743         ModestMsgViewPrivate *priv;
1744
1745         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), 1.0);
1746         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1747
1748         return modest_zoomable_get_zoom (MODEST_ZOOMABLE (priv->body_view));
1749 }
1750
1751 TnyHeaderFlags
1752 modest_msg_view_get_priority (ModestMsgView *self)
1753 {
1754         ModestMsgViewPrivate *priv;
1755
1756         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), 0);
1757
1758         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1759
1760         return priv->priority_flags;
1761 }
1762
1763 void
1764 modest_msg_view_set_priority (ModestMsgView *self, TnyHeaderFlags flags)
1765 {
1766         ModestMsgViewPrivate *priv;
1767
1768         g_return_if_fail (MODEST_IS_MSG_VIEW (self));
1769
1770         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1771
1772         priv->priority_flags = flags & (TNY_HEADER_FLAG_HIGH_PRIORITY);
1773
1774         modest_mail_header_view_set_priority (MODEST_MAIL_HEADER_VIEW (priv->mail_header_view), flags);
1775 }
1776
1777 GList *
1778 modest_msg_view_get_selected_attachments (ModestMsgView *self)
1779 {
1780         ModestMsgViewPrivate *priv;
1781
1782         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), NULL);
1783         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1784
1785         return modest_attachments_view_get_selection (MODEST_ATTACHMENTS_VIEW (priv->attachments_view));
1786
1787 }
1788
1789 GList *
1790 modest_msg_view_get_attachments (ModestMsgView *self)
1791 {
1792         ModestMsgViewPrivate *priv;
1793
1794         g_return_val_if_fail (MODEST_IS_MSG_VIEW (self), NULL);
1795         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
1796
1797         return modest_attachments_view_get_attachments (MODEST_ATTACHMENTS_VIEW (priv->attachments_view));
1798
1799 }
1800
1801 void
1802 modest_msg_view_grab_focus (ModestMsgView *view)
1803 {
1804         ModestMsgViewPrivate *priv = NULL;
1805
1806         g_return_if_fail (MODEST_IS_MSG_VIEW (view));
1807         priv = MODEST_MSG_VIEW_GET_PRIVATE (view);
1808
1809         gtk_widget_grab_focus (priv->body_view);
1810 }
1811
1812 void
1813 modest_msg_view_remove_attachment (ModestMsgView *view, TnyMimePart *attachment)
1814 {
1815         ModestMsgViewPrivate *priv;
1816
1817         g_return_if_fail (MODEST_IS_MSG_VIEW (view));
1818         g_return_if_fail (TNY_IS_MIME_PART (attachment));
1819         priv = MODEST_MSG_VIEW_GET_PRIVATE (view);
1820
1821         modest_attachments_view_remove_attachment (MODEST_ATTACHMENTS_VIEW (priv->attachments_view),
1822                                                    attachment);
1823
1824 }
1825
1826 gboolean
1827 idle_readjust_scroll (ModestMsgView *view)
1828 {
1829         if (GTK_WIDGET_DRAWABLE (view)) {
1830                 ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (view);
1831                 GtkAdjustment *html_vadj;
1832                 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
1833                 html_vadj->page_size = html_vadj->upper;
1834                 gtk_adjustment_changed (html_vadj);
1835                 gtk_widget_queue_resize (GTK_WIDGET (view));
1836                 gtk_widget_queue_draw (GTK_WIDGET (view));
1837
1838                 /* Just another hack for making readjust really work. This forces an update
1839                  * of the scroll, and then, make the scroll really update properly the
1840                  * the size and not corrupt scrollable area */
1841                 gtk_adjustment_set_value (priv->vadj, 1.0);
1842                 gtk_adjustment_set_value (priv->vadj, 0.0);
1843         }
1844         g_object_unref (G_OBJECT (view));
1845         return FALSE;
1846 }