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 <gtkhtml/gtkhtml.h>
  37 #include <gtkhtml/gtkhtml-stream.h>
  38 #include <tny-list.h>
  39 #include <tny-simple-list.h>
  40
  41 #include <modest-tny-msg.h>
  42 #include <modest-text-utils.h>
  43 #include "modest-msg-view.h"
  44 #include "modest-tny-stream-gtkhtml.h"
  45 #include <modest-mail-header-view.h>
  46 #include <modest-attachments-view.h>
  47 #include <modest-marshal.h>
  48
  49
  50 /* 'private'/'protected' functions */
  51 static void     modest_msg_view_class_init   (ModestMsgViewClass *klass);
  52 static void     modest_msg_view_init         (ModestMsgView *obj);
  53 static void     modest_msg_view_finalize     (GObject *obj);
  54 static void     modest_msg_view_destroy     (GtkObject *obj);
  55
  56 /* headers signals */
  57 static void on_recpt_activated (ModestMailHeaderView *header_view, const gchar *address, ModestMsgView *msg_view);
  58 static void on_attachment_activated (ModestAttachmentsView * att_view, gint index, gpointer);
  59
  60 /* GtkHtml signals */
  61 static gboolean on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
  62 static gboolean on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream,
  63                                   ModestMsgView *msg_view);
  64 static gboolean on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
  65
  66 /* size allocation and drawing handlers */
  67 static void get_view_allocation (ModestMsgView *msg_view, GtkAllocation *allocation);
  68 static void size_request (GtkWidget *widget, GtkRequisition *req);
  69 static void size_allocate (GtkWidget *widget, GtkAllocation *alloc);
  70 static void realize (GtkWidget *widget);
  71 static void unrealize (GtkWidget *widget);
  72 static gint expose (GtkWidget *widget, GdkEventExpose *event);
  73 static void reclamp_adjustment (GtkAdjustment *adj, gboolean *value_changed);
  74 static void set_hadjustment_values (ModestMsgView *msg_view, gboolean *value_changed);
  75 static void set_scroll_adjustments (ModestMsgView *msg_view, GtkAdjustment *hadj, GtkAdjustment *vadj);
  76 static void adjustment_value_changed (GtkAdjustment *adj, gpointer data);
  77 static void html_adjustment_changed (GtkAdjustment *adj, gpointer data);
  78 static void disconnect_vadjustment (ModestMsgView *obj);
  79 static void disconnect_hadjustment (ModestMsgView *obj);
  80
  81 /* GtkContainer methods */
  82 static void forall (GtkContainer *container, gboolean include_internals,
  83                     GtkCallback callback, gpointer userdata);
  84 static void container_remove (GtkContainer *container, GtkWidget *widget);
  85
  86 /* list my signals */
  87 enum {
  88         LINK_CLICKED_SIGNAL,
  89         LINK_HOVER_SIGNAL,
  90         ATTACHMENT_CLICKED_SIGNAL,
  91         RECPT_ACTIVATED_SIGNAL,
  92         LAST_SIGNAL
  93 };
  94
  95 typedef struct _ModestMsgViewPrivate ModestMsgViewPrivate;
  96 struct _ModestMsgViewPrivate {
  97         GtkWidget   *gtkhtml;
  98         GtkWidget   *mail_header_view;
  99         GtkWidget   *attachments_view;
 100
 101         TnyMsg      *msg;
 102
 103         /* embedded elements */
 104         GtkWidget   *headers_box;
 105         GtkWidget   *html_scroll;
 106
 107         /* internal adjustments for set_scroll_adjustments */
 108         GtkAdjustment *hadj;
 109         GtkAdjustment *vadj;
 110
 111         /* gdk windows for drawing */
 112         GdkWindow *view_window;
 113         GdkWindow *headers_window;
 114         GdkWindow *html_window;
 115
 116         gulong  sig1, sig2, sig3;
 117 };
 118 #define MODEST_MSG_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 119                                                  MODEST_TYPE_MSG_VIEW, \
 120                                                  ModestMsgViewPrivate))
 121 /* globals */
 122 static GtkContainerClass *parent_class = NULL;
 123
 124 /* uncomment the following if you have defined any signals */
 125 static guint signals[LAST_SIGNAL] = {0};
 126
 127 GType
 128 modest_msg_view_get_type (void)
 129 {
 130         static GType my_type = 0;
 131         if (!my_type) {
 132                 static const GTypeInfo my_info = {
 133                         sizeof(ModestMsgViewClass),
 134                         NULL,           /* base init */
 135                         NULL,           /* base finalize */
 136                         (GClassInitFunc) modest_msg_view_class_init,
 137                         NULL,           /* class finalize */
 138                         NULL,           /* class data */
 139                         sizeof(ModestMsgView),
 140                         1,              /* n_preallocs */
 141                         (GInstanceInitFunc) modest_msg_view_init,
 142                         NULL
 143                 };
 144                 my_type = g_type_register_static (GTK_TYPE_CONTAINER,
 145                                                   "ModestMsgView",
 146                                                   &my_info, 0);
 147         }
 148         return my_type;
 149 }
 150
 151 static void
 152 modest_msg_view_class_init (ModestMsgViewClass *klass)
 153 {
 154         GObjectClass *gobject_class;
 155         GtkWidgetClass *widget_class;
 156         GtkObjectClass *gtkobject_class;
 157         GtkContainerClass *container_class;
 158         gobject_class = (GObjectClass*) klass;
 159         widget_class = (GtkWidgetClass *) klass;
 160         gtkobject_class = (GtkObjectClass *) klass;
 161         container_class = (GtkContainerClass *) klass;
 162
 163         parent_class            = g_type_class_peek_parent (klass);
 164         gobject_class->finalize = modest_msg_view_finalize;
 165         gtkobject_class->destroy = modest_msg_view_destroy;
 166
 167         widget_class->realize = realize;
 168         widget_class->unrealize = unrealize;
 169         widget_class->expose_event = expose;
 170         widget_class->size_request = size_request;
 171         widget_class->size_allocate = size_allocate;
 172
 173         container_class->forall = forall;
 174         container_class->remove = container_remove;
 175
 176         klass->set_scroll_adjustments = set_scroll_adjustments;
 177
 178         g_type_class_add_private (gobject_class, sizeof(ModestMsgViewPrivate));
 179
 180         signals[LINK_CLICKED_SIGNAL] =
 181                 g_signal_new ("link_clicked",
 182                               G_TYPE_FROM_CLASS (gobject_class),
 183                               G_SIGNAL_RUN_FIRST,
 184                               G_STRUCT_OFFSET(ModestMsgViewClass, link_clicked),
 185                               NULL, NULL,
 186                               g_cclosure_marshal_VOID__STRING,
 187                               G_TYPE_NONE, 1, G_TYPE_STRING);
 188
 189         signals[ATTACHMENT_CLICKED_SIGNAL] =
 190                 g_signal_new ("attachment_clicked",
 191                               G_TYPE_FROM_CLASS (gobject_class),
 192                               G_SIGNAL_RUN_FIRST,
 193                               G_STRUCT_OFFSET(ModestMsgViewClass, attachment_clicked),
 194                               NULL, NULL,
 195                               g_cclosure_marshal_VOID__POINTER,
 196                               G_TYPE_NONE, 1, G_TYPE_INT);
 197
 198         signals[LINK_HOVER_SIGNAL] =
 199                 g_signal_new ("link_hover",
 200                               G_TYPE_FROM_CLASS (gobject_class),
 201                               G_SIGNAL_RUN_FIRST,
 202                               G_STRUCT_OFFSET(ModestMsgViewClass, link_hover),
 203                               NULL, NULL,
 204                               g_cclosure_marshal_VOID__STRING,
 205                               G_TYPE_NONE, 1, G_TYPE_STRING);
 206
 207         signals[RECPT_ACTIVATED_SIGNAL] =
 208                 g_signal_new ("recpt_activated",
 209                               G_TYPE_FROM_CLASS (gobject_class),
 210                               G_SIGNAL_RUN_FIRST,
 211                               G_STRUCT_OFFSET(ModestMsgViewClass, recpt_activated),
 212                               NULL, NULL,
 213                               g_cclosure_marshal_VOID__STRING,
 214                               G_TYPE_NONE, 1, G_TYPE_STRING);
 215
 216         widget_class->set_scroll_adjustments_signal =
 217                 g_signal_new ("set_scroll_adjustments",
 218                               G_OBJECT_CLASS_TYPE (gobject_class),
 219                               G_SIGNAL_RUN_LAST|G_SIGNAL_ACTION,
 220                               G_STRUCT_OFFSET (ModestMsgViewClass, set_scroll_adjustments),
 221                               NULL, NULL,
 222                               modest_marshal_VOID__POINTER_POINTER,
 223                               G_TYPE_NONE, 2,
 224                               GTK_TYPE_ADJUSTMENT,
 225                               GTK_TYPE_ADJUSTMENT);
 226 }
 227
 228 static void
 229 disconnect_hadjustment (ModestMsgView *msg_view)
 230 {
 231         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 232
 233         if (priv->hadj) {
 234                 g_signal_handlers_disconnect_by_func(priv->hadj, adjustment_value_changed, msg_view);
 235                 g_object_unref (priv->hadj);
 236                 priv->hadj = NULL;
 237         }
 238 }
 239
 240 static void
 241 disconnect_vadjustment (ModestMsgView *msg_view)
 242 {
 243         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 244
 245         if (priv->vadj) {
 246                 g_signal_handlers_disconnect_by_func(priv->vadj, adjustment_value_changed, msg_view);
 247                 g_object_unref (priv->vadj);
 248                 priv->vadj = NULL;
 249         }
 250 }
 251
 252 static void
 253 get_view_allocation (ModestMsgView *msg_view, GtkAllocation *allocation)
 254 {
 255         /* This method gets the allocation of the widget in parent widget. It's the
 256            real position and size of the widget */
 257
 258         allocation->x = 0;
 259         allocation->y = 0;
 260
 261         allocation->width = MAX (1, GTK_WIDGET (msg_view)->allocation.width);
 262         allocation->height = MAX (1, GTK_WIDGET (msg_view)->allocation.height);
 263
 264 }
 265
 266 static void
 267 reclamp_adjustment (GtkAdjustment *adj,
 268                     gboolean *value_changed)
 269 {
 270         gdouble value = adj->value;
 271
 272         /* Correct value to be inside the expected values of a scroll */
 273
 274         value = CLAMP (value, 0, adj->upper - adj->page_size);
 275
 276         if (value != adj->value) {
 277                 adj->value = value;
 278                 if (value_changed)
 279                         *value_changed = TRUE;
 280         } else if (value_changed) {
 281                 *value_changed = FALSE;
 282         }
 283 }
 284
 285 static void
 286 set_hadjustment_values (ModestMsgView *msg_view,
 287                         gboolean *value_changed)
 288 {
 289         GtkAllocation view_allocation;
 290         GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
 291
 292         get_view_allocation (msg_view, &view_allocation);
 293         hadj->page_size = view_allocation.width;
 294         hadj->step_increment = view_allocation.width * 0.1;
 295         hadj->page_increment = view_allocation.width * 0.9;
 296
 297         hadj->lower = 0;
 298         hadj->upper = view_allocation.width;
 299
 300         reclamp_adjustment (hadj, value_changed);
 301
 302 }
 303
 304 static void
 305 set_vadjustment_values (ModestMsgView *msg_view,
 306                         gboolean *value_changed)
 307 {
 308         GtkAllocation view_allocation;
 309         GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
 310         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 311         gint full_height = 0;
 312         GtkAdjustment *html_vadj;
 313
 314         get_view_allocation (msg_view, &view_allocation);
 315         vadj->page_size = view_allocation.height;
 316         vadj->step_increment = view_allocation.height * 0.1;
 317         vadj->page_increment = view_allocation.height * 0.9;
 318
 319         vadj->lower = 0;
 320
 321         if (priv->headers_box && GTK_WIDGET_VISIBLE(priv->headers_box)) {
 322                 GtkRequisition child_requisition;
 323
 324                 gtk_widget_get_child_requisition (priv->headers_box, &child_requisition);
 325                 full_height = child_requisition.height;
 326         } else {
 327                 full_height = 0;
 328         }
 329
 330         /* Get the real height of the embedded html */
 331         if (priv->html_scroll && GTK_WIDGET_VISIBLE(priv->html_scroll)) {
 332                 html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 333                 full_height += html_vadj->upper;
 334         }
 335
 336         vadj->upper = MAX (view_allocation.height, full_height);
 337
 338         reclamp_adjustment (vadj, value_changed);
 339
 340 }
 341
 342 static void
 343 set_scroll_adjustments (ModestMsgView *msg_view,
 344                         GtkAdjustment *hadj,
 345                         GtkAdjustment *vadj)
 346 {
 347         modest_msg_view_set_hadjustment (msg_view, hadj);
 348         modest_msg_view_set_vadjustment (msg_view, vadj);
 349 }
 350
 351 static void
 352 realize (GtkWidget *widget)
 353 {
 354         ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
 355         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 356         GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
 357         GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
 358         GdkWindowAttr attributes;
 359         gint event_mask;
 360         gint attributes_mask;
 361         GtkAllocation view_allocation;
 362
 363         GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 364
 365         /* The structure of the GdkWindow's is:
 366          *    * widget->window: the shown gdkwindow embedding all the stuff inside
 367          *    * view_window: a backing store gdkwindow containing the headers and contents
 368          *      being scrolled. This window should have all the visible and non visible
 369          *      widgets inside.
 370          *    * headers_window: gdk window for headers_box.
 371          *    * html_window: gdk window for html_scroll (the scrolled window containing the
 372          *      gtkhtml showing the contents of the mail).
 373          */
 374
 375         attributes.x = widget->allocation.x;
 376         attributes.y = widget->allocation.y;
 377         attributes.width = widget->allocation.width;
 378         attributes.height = widget->allocation.height;
 379         attributes.window_type = GDK_WINDOW_CHILD;
 380         attributes.wclass = GDK_INPUT_OUTPUT;
 381         attributes.visual = gtk_widget_get_visual (widget);
 382         attributes.colormap = gtk_widget_get_colormap (widget);
 383
 384         event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
 385         attributes.event_mask = event_mask | GDK_BUTTON_PRESS_MASK;
 386         attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 387
 388         widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
 389                                          &attributes, attributes_mask);
 390         gdk_window_set_user_data (widget->window, msg_view);
 391
 392         get_view_allocation (msg_view, &view_allocation);
 393
 394         attributes.x = view_allocation.x;
 395         attributes.y = view_allocation.y;
 396         attributes.width = view_allocation.width;
 397         attributes.height = view_allocation.height;
 398         attributes.event_mask = 0;
 399         priv->view_window = gdk_window_new (widget->window, &attributes, attributes_mask);
 400         gdk_window_set_user_data (priv->view_window, msg_view);
 401         gdk_window_set_back_pixmap (priv->view_window, NULL, FALSE);
 402
 403         attributes.x = -hadj->value;
 404         attributes.y = -vadj->value;
 405         attributes.width = hadj->upper;
 406         if (priv->headers_box)
 407                 attributes.height = GTK_WIDGET (priv->headers_box)->allocation.height;
 408         else
 409                 attributes.height = 1;
 410         attributes.event_mask = event_mask;
 411
 412         priv->headers_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 413         gdk_window_set_user_data (priv->headers_window, msg_view);
 414
 415         if (priv->headers_box)
 416                 gtk_widget_set_parent_window (priv->headers_box, priv->headers_window);
 417
 418         attributes.x = -hadj->value;
 419         if (priv->headers_box)
 420                 attributes.y = GTK_WIDGET (priv->headers_box)->allocation.height - vadj->value;
 421         else
 422                 attributes.y = -vadj->value;
 423         attributes.width = hadj->upper;
 424         if (priv->headers_box)
 425                 attributes.height = vadj->upper - GTK_WIDGET (priv->headers_box)->allocation.height;
 426         else
 427                 attributes.height = vadj->upper;
 428         attributes.event_mask = event_mask;
 429
 430         priv->html_window = gdk_window_new (priv->view_window, &attributes, attributes_mask);
 431         gdk_window_set_user_data (priv->html_window, msg_view);
 432
 433         if (priv->html_scroll)
 434                 gtk_widget_set_parent_window (priv->html_scroll, priv->html_window);
 435
 436         widget->style = gtk_style_attach (widget->style, widget->window);
 437         gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 438         gtk_style_set_background (widget->style, priv->headers_window, GTK_STATE_NORMAL);
 439         gtk_style_set_background (widget->style, priv->html_window, GTK_STATE_NORMAL);
 440
 441         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 442                            GTK_SHADOW_NONE,
 443                            NULL, widget, "msgviewheaders",
 444                            0,0,-1,-1);
 445         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 446                            GTK_SHADOW_NONE,
 447                            NULL, widget, "msgviewcontents",
 448                            0,0,-1,-1);
 449
 450         gdk_window_show (priv->view_window);
 451         gdk_window_show (priv->headers_window);
 452         gdk_window_show (priv->html_window);
 453
 454 }
 455
 456 static void
 457 unrealize (GtkWidget *widget)
 458 {
 459         ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
 460         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 461
 462         gdk_window_set_user_data (priv->view_window, NULL);
 463         gdk_window_destroy (priv->view_window);
 464         priv->view_window = NULL;
 465
 466         gdk_window_set_user_data (priv->headers_window, NULL);
 467         gdk_window_destroy (priv->headers_window);
 468         priv->headers_window = NULL;
 469
 470         gdk_window_set_user_data (priv->html_window, NULL);
 471         gdk_window_destroy (priv->html_window);
 472         priv->html_window = NULL;
 473
 474         if (GTK_WIDGET_CLASS (parent_class)->unrealize)
 475                 ( * GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
 476
 477 }
 478
 479 static gint
 480 expose (GtkWidget *widget,
 481         GdkEventExpose *event)
 482 {
 483         ModestMsgView *msg_view;
 484         ModestMsgViewPrivate *priv;
 485
 486         if (GTK_WIDGET_DRAWABLE (widget)) {
 487                 msg_view = MODEST_MSG_VIEW (widget);
 488                 priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 489                 if (event->window == widget->window) {
 490                         gtk_paint_shadow (widget->style, widget->window,
 491                                           GTK_STATE_NORMAL, GTK_SHADOW_NONE,
 492                                           &event->area, widget, "msgview",
 493                                           0,0,-1,-1);
 494                 } else if (event->window == priv->headers_window) {
 495                         gtk_paint_flat_box(widget->style, priv->headers_window, GTK_STATE_NORMAL,
 496                                            GTK_SHADOW_NONE,
 497                                            &event->area, widget, "msgviewheaders",
 498                                            0,0,-1,-1);
 499                 } else if (event->window == priv->html_window) {
 500                         gtk_paint_flat_box(widget->style, priv->html_window, GTK_STATE_NORMAL,
 501                                            GTK_SHADOW_NONE,
 502                                            &event->area, widget, "msgviewcontents",
 503                                            0,0,-1,-1);
 504                 }
 505                 if (priv->headers_box)
 506                         gtk_container_propagate_expose (GTK_CONTAINER (msg_view), priv->headers_box, event);
 507                 if (priv->html_scroll)
 508                         gtk_container_propagate_expose (GTK_CONTAINER (msg_view), priv->html_scroll, event);
 509                 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
 510         }
 511
 512         return FALSE;
 513 }
 514
 515 static void
 516 forall (GtkContainer *container,
 517         gboolean include_internals,
 518         GtkCallback callback,
 519         gpointer userdata)
 520 {
 521         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (container);
 522         g_return_if_fail (callback != NULL);
 523
 524         if (priv->headers_box)
 525                 (*callback) (priv->headers_box, userdata);
 526         if (priv->html_scroll)
 527                 (*callback) (priv->html_scroll, userdata);
 528 }
 529
 530 static void
 531 container_remove (GtkContainer *container,
 532                   GtkWidget *widget)
 533 {
 534         gboolean was_visible = FALSE;
 535         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (container);
 536         was_visible = GTK_WIDGET_VISIBLE (widget);
 537         if (widget == priv->headers_box) {
 538                 gtk_widget_unparent (priv->headers_box);
 539                 priv->headers_box = NULL;
 540         } else if (widget == priv->html_scroll) {
 541                 gtk_widget_unparent (priv->html_scroll);
 542                 priv->html_scroll = NULL;
 543         } else {
 544                 return;
 545         }
 546         if (was_visible)
 547                 gtk_widget_queue_resize (GTK_WIDGET(container));
 548
 549 }
 550
 551 static void
 552 size_request (GtkWidget *widget,
 553               GtkRequisition *req)
 554 {
 555         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (widget);
 556         GtkRequisition child_req;
 557
 558         req->width = 0;
 559         req->height = 0;
 560
 561         gtk_widget_size_request (priv->headers_box, &child_req);
 562         req->width = child_req.width;
 563         req->height += child_req.height;
 564         gtk_widget_size_request (priv->html_scroll, &child_req);
 565         req->width = MAX (child_req.width, req->width);
 566         req->height += child_req.height;
 567
 568 }
 569
 570 static void
 571 size_allocate (GtkWidget *widget,
 572                GtkAllocation *allocation)
 573 {
 574         ModestMsgView *msg_view = MODEST_MSG_VIEW (widget);
 575         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 576         gboolean hadj_value_changed, vadj_value_changed;
 577         GtkAllocation headers_allocation, html_allocation;
 578         GtkAdjustment *html_vadj;
 579
 580         widget->allocation = *allocation;
 581         set_hadjustment_values (msg_view, &hadj_value_changed);
 582         set_vadjustment_values (msg_view, &vadj_value_changed);
 583
 584         headers_allocation.x = 0;
 585         headers_allocation.y = 0;
 586         headers_allocation.width = allocation->width;
 587         if (priv->headers_box)
 588                 headers_allocation.height = GTK_WIDGET (priv->headers_box)->requisition.height;
 589         else
 590                 headers_allocation.height = 0;
 591
 592         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->html_scroll));
 593
 594         html_allocation.x = 0;
 595         html_allocation.y = headers_allocation.height;
 596         html_allocation.width = allocation->width;
 597         html_allocation.height = MAX ((gint) html_vadj->upper, (gint)(priv->vadj->upper - headers_allocation.height));
 598
 599         if (GTK_WIDGET_REALIZED (widget)) {
 600                 GtkAllocation view_allocation;
 601                 gdk_window_move_resize (widget->window,
 602                                         allocation->x,
 603                                         allocation->y,
 604                                         allocation->width,
 605                                         allocation->height);
 606
 607                 get_view_allocation (msg_view, &view_allocation);
 608
 609                 gdk_window_move_resize (priv->view_window,
 610                                         view_allocation.x,
 611                                         view_allocation.y,
 612                                         view_allocation.width,
 613                                         view_allocation.height);
 614                 gdk_window_move_resize (priv->headers_window,
 615                                         0,
 616                                         (gint) (- priv->vadj->value),
 617                                         allocation->width,
 618                                         headers_allocation.height);
 619                 gdk_window_move_resize (priv->html_window,
 620                                         (gint) (- priv->hadj->value),
 621                                         (gint) (html_allocation.y - priv->vadj->value),
 622                                         (gint) priv->hadj->upper,
 623                                         html_allocation.height);
 624         }
 625
 626         if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 627                 gtk_widget_size_allocate (priv->headers_box, &headers_allocation);
 628         }
 629         if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 630                 html_allocation.x = 0;
 631                 html_allocation.y = 0;
 632                 html_allocation.width = (gint) priv->hadj->upper;
 633                 html_allocation.height = (gint) priv->vadj->upper - headers_allocation.height;
 634                 gtk_widget_size_allocate (priv->html_scroll, &html_allocation);
 635         }
 636         gtk_adjustment_changed (priv->hadj);
 637         gtk_adjustment_changed (priv->vadj);
 638
 639         if (hadj_value_changed)
 640                 gtk_adjustment_value_changed (priv->hadj);
 641         if (vadj_value_changed)
 642                 gtk_adjustment_value_changed (priv->vadj);
 643
 644 }
 645
 646 static void
 647 adjustment_value_changed (GtkAdjustment *adj, gpointer data)
 648 {
 649         ModestMsgView *msg_view = NULL;
 650         ModestMsgViewPrivate *priv = NULL;
 651
 652         g_return_if_fail (GTK_IS_ADJUSTMENT (adj));
 653         g_return_if_fail (MODEST_IS_MSG_VIEW (data));
 654
 655         msg_view = MODEST_MSG_VIEW (data);
 656         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 657
 658         if (GTK_WIDGET_REALIZED (msg_view)) {
 659                 GtkAdjustment *hadj = modest_msg_view_get_hadjustment (msg_view);
 660                 GtkAdjustment *vadj = modest_msg_view_get_vadjustment (msg_view);
 661                 gint headers_offset = 0;
 662
 663                 gtk_widget_queue_resize (priv->html_scroll);
 664
 665                 if (priv->headers_box && GTK_WIDGET_VISIBLE (priv->headers_box)) {
 666                         gint old_x, old_y;
 667                         gint new_x, new_y;
 668                         gdk_window_get_position (priv->headers_window, &old_x, &old_y);
 669                         new_x = 0;
 670                         new_y = -vadj->value;
 671
 672                         headers_offset = GTK_WIDGET(priv->headers_box)->allocation.height;
 673
 674                         if (new_x != old_x || new_y != old_y) {
 675                                 gdk_window_move (priv->headers_window, new_x, new_y);
 676                                 gdk_window_process_updates (priv->headers_window, TRUE);
 677                         }
 678                 }
 679
 680                 if (priv->html_scroll && GTK_WIDGET_VISIBLE (priv->html_scroll)) {
 681                         gint old_x, old_y;
 682                         gint new_x, new_y;
 683                         gdk_window_get_position (priv->html_window, &old_x, &old_y);
 684                         new_x = -hadj->value;
 685                         new_y = headers_offset - vadj->value;
 686
 687                         if (new_x != old_x || new_y != old_y) {
 688                                 gdk_window_move (priv->html_window, new_x, new_y);
 689                                 gdk_window_process_updates (priv->html_window, TRUE);
 690                         }
 691                 }
 692
 693         }
 694 }
 695
 696 static void
 697 html_adjustment_changed (GtkAdjustment *adj,
 698                          gpointer userdata)
 699 {
 700         ModestMsgView *msg_view = MODEST_MSG_VIEW (userdata);
 701         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 702         GtkAdjustment *html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
 703         gboolean vadj_changed;
 704         gint new_height;
 705
 706         priv->html_scroll->requisition.height = html_vadj->upper;
 707         priv->html_scroll->allocation.height = html_vadj->upper;
 708
 709         set_vadjustment_values (msg_view, &vadj_changed);
 710
 711         new_height = MAX ((gint) html_vadj->upper, (gint) (priv->vadj->upper - priv->headers_box->allocation.height));
 712
 713         gtk_adjustment_changed (priv->vadj);
 714         if (GTK_WIDGET_DRAWABLE (priv->html_scroll)) {
 715                 gdk_window_resize (priv->html_window, (gint) priv->hadj->upper, (gint) new_height);
 716                 gdk_window_process_updates (priv->view_window, TRUE);
 717                 gtk_container_resize_children (GTK_CONTAINER (msg_view));
 718         }
 719
 720 }
 721
 722 static void
 723 modest_msg_view_init (ModestMsgView *obj)
 724 {
 725         ModestMsgViewPrivate *priv;
 726         GtkAdjustment *html_vadj;
 727
 728         GTK_WIDGET_UNSET_FLAGS (obj, GTK_NO_WINDOW);
 729         gtk_widget_set_redraw_on_allocate (GTK_WIDGET (obj), TRUE);
 730         gtk_container_set_reallocate_redraws (GTK_CONTAINER (obj), TRUE);
 731         gtk_container_set_resize_mode (GTK_CONTAINER (obj), GTK_RESIZE_QUEUE);
 732
 733         priv = MODEST_MSG_VIEW_GET_PRIVATE(obj);
 734
 735         priv->hadj = NULL;
 736         priv->vadj = NULL;
 737         priv->view_window = NULL;
 738         priv->headers_window = NULL;
 739         priv->html_window = NULL;
 740
 741
 742         gtk_widget_push_composite_child ();
 743         priv->html_scroll = gtk_scrolled_window_new (NULL, NULL);
 744         gtk_widget_set_composite_name (priv->html_scroll, "contents");
 745         gtk_widget_pop_composite_child ();
 746         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->html_scroll), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 747
 748         priv->msg                     = NULL;
 749
 750         priv->gtkhtml                 = gtk_html_new();
 751         gtk_html_set_editable        (GTK_HTML(priv->gtkhtml), FALSE);
 752         gtk_html_allow_selection     (GTK_HTML(priv->gtkhtml), TRUE);
 753         gtk_html_set_caret_mode      (GTK_HTML(priv->gtkhtml), FALSE);
 754         gtk_html_set_blocking        (GTK_HTML(priv->gtkhtml), FALSE);
 755         gtk_html_set_images_blocking (GTK_HTML(priv->gtkhtml), FALSE);
 756
 757         priv->mail_header_view        = GTK_WIDGET(modest_mail_header_view_new ());
 758         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
 759
 760         priv->attachments_view        = GTK_WIDGET(modest_attachments_view_new (NULL));
 761         gtk_widget_set_no_show_all (priv->attachments_view, TRUE);
 762
 763         priv->sig1 = g_signal_connect (G_OBJECT(priv->gtkhtml), "link_clicked",
 764                                        G_CALLBACK(on_link_clicked), obj);
 765         priv->sig2 = g_signal_connect (G_OBJECT(priv->gtkhtml), "url_requested",
 766                                        G_CALLBACK(on_url_requested), obj);
 767         priv->sig3 = g_signal_connect (G_OBJECT(priv->gtkhtml), "on_url",
 768                                        G_CALLBACK(on_link_hover), obj);
 769
 770         g_signal_connect (G_OBJECT (priv->mail_header_view), "recpt-activated",
 771                           G_CALLBACK (on_recpt_activated), obj);
 772
 773         g_signal_connect (G_OBJECT (priv->attachments_view), "activate",
 774                           G_CALLBACK (on_attachment_activated), obj);
 775
 776         html_vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW(priv->html_scroll));
 777
 778         g_signal_connect (G_OBJECT (html_vadj), "changed",
 779                           G_CALLBACK (html_adjustment_changed), obj);
 780
 781 }
 782
 783
 784 static void
 785 modest_msg_view_finalize (GObject *obj)
 786 {
 787         ModestMsgViewPrivate *priv;
 788         priv = MODEST_MSG_VIEW_GET_PRIVATE (obj);
 789
 790         if (priv->msg) {
 791                 g_object_unref (G_OBJECT(priv->msg));
 792                 priv->msg = NULL;
 793         }
 794
 795         /* we cannot disconnect sigs, because priv->gtkhtml is
 796          * already dead */
 797
 798         disconnect_vadjustment (MODEST_MSG_VIEW(obj));
 799         disconnect_hadjustment (MODEST_MSG_VIEW(obj));
 800
 801         priv->gtkhtml = NULL;
 802         priv->attachments_view = NULL;
 803
 804         G_OBJECT_CLASS(parent_class)->finalize (obj);
 805 }
 806
 807 static void
 808 modest_msg_view_destroy (GtkObject *obj)
 809 {
 810         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (obj);
 811         disconnect_vadjustment (MODEST_MSG_VIEW(obj));
 812         disconnect_hadjustment (MODEST_MSG_VIEW(obj));
 813
 814         GTK_OBJECT_CLASS(parent_class)->destroy (obj);
 815 }
 816
 817 GtkAdjustment *
 818 modest_msg_view_get_vadjustment (ModestMsgView *msg_view)
 819 {
 820         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 821
 822         if (!priv->vadj)
 823                 modest_msg_view_set_vadjustment (msg_view, NULL);
 824
 825         return priv->vadj;
 826
 827 }
 828
 829 GtkAdjustment *
 830 modest_msg_view_get_hadjustment (ModestMsgView *msg_view)
 831 {
 832         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 833
 834         if (!priv->hadj)
 835                 modest_msg_view_set_hadjustment (msg_view, NULL);
 836
 837         return priv->hadj;
 838
 839 }
 840
 841 void
 842 modest_msg_view_set_hadjustment (ModestMsgView *msg_view, GtkAdjustment *hadj)
 843 {
 844         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 845         gboolean value_changed;
 846
 847         if (hadj && hadj == priv->hadj)
 848                 return;
 849
 850         if (!hadj)
 851                 hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0));
 852         disconnect_hadjustment (msg_view);
 853         g_object_ref (G_OBJECT (hadj));
 854         gtk_object_sink (GTK_OBJECT (hadj));
 855         priv->hadj = hadj;
 856         set_hadjustment_values (msg_view, &value_changed);
 857
 858         g_signal_connect (hadj, "value_changed", G_CALLBACK (adjustment_value_changed),
 859                           msg_view);
 860
 861         gtk_adjustment_changed (hadj);
 862         if (value_changed)
 863                 gtk_adjustment_value_changed (hadj);
 864         else
 865                 adjustment_value_changed (hadj, msg_view);
 866 }
 867
 868 void
 869 modest_msg_view_set_vadjustment (ModestMsgView *msg_view, GtkAdjustment *vadj)
 870 {
 871         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 872         gboolean value_changed;
 873
 874         if (vadj && vadj == priv->vadj)
 875                 return;
 876
 877         if (!vadj)
 878                 vadj = (GtkAdjustment *) gtk_adjustment_new (0.0,0.0,0.0,0.0,0.0,0.0);
 879         disconnect_vadjustment (msg_view);
 880         g_object_ref (G_OBJECT (vadj));
 881         gtk_object_sink (GTK_OBJECT (vadj));
 882         priv->vadj = vadj;
 883         set_vadjustment_values (msg_view, &value_changed);
 884
 885         g_signal_connect (vadj, "value_changed", G_CALLBACK (adjustment_value_changed),
 886                           msg_view);
 887
 888         gtk_adjustment_changed (vadj);
 889         if (value_changed)
 890                 gtk_adjustment_value_changed (vadj);
 891         else
 892                 adjustment_value_changed (vadj, msg_view);
 893 }
 894
 895 GtkWidget*
 896 modest_msg_view_new (TnyMsg *msg)
 897 {
 898         GObject *obj;
 899         ModestMsgView* self;
 900         ModestMsgViewPrivate *priv;
 901
 902         obj  = G_OBJECT(g_object_new(MODEST_TYPE_MSG_VIEW, NULL));
 903         self = MODEST_MSG_VIEW(obj);
 904         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
 905
 906         gtk_widget_push_composite_child ();
 907         priv->headers_box = gtk_vbox_new (0, FALSE);
 908         gtk_widget_set_composite_name (priv->headers_box, "headers");
 909         gtk_widget_pop_composite_child ();
 910
 911         if (priv->mail_header_view)
 912                 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->mail_header_view, FALSE, FALSE, 0);
 913
 914         if (priv->attachments_view)
 915                 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->attachments_view, FALSE, FALSE, 0);
 916
 917         gtk_widget_set_parent (priv->headers_box, GTK_WIDGET (self));
 918
 919         if (priv->gtkhtml) {
 920                 gtk_container_add (GTK_CONTAINER (priv->html_scroll), priv->gtkhtml);
 921                 gtk_widget_set_parent (priv->html_scroll, GTK_WIDGET(self));
 922         }
 923
 924         modest_msg_view_set_message (self, msg);
 925
 926         return GTK_WIDGET(self);
 927 }
 928
 929 static void
 930 on_recpt_activated (ModestMailHeaderView *header_view,
 931                     const gchar *address,
 932                     ModestMsgView * view)
 933 {
 934         g_signal_emit (G_OBJECT (view), signals[RECPT_ACTIVATED_SIGNAL], 0, address);
 935 }
 936
 937 static void
 938 on_attachment_activated (ModestAttachmentsView * att_view, gint index, gpointer msg_view)
 939 {
 940
 941
 942         if (index == 0) {
 943                 /* index is 1-based, so 0 indicates an error */
 944                 g_printerr ("modest: invalid attachment index: %d\n", index);
 945                 return;
 946         }
 947
 948         g_signal_emit (G_OBJECT(msg_view), signals[ATTACHMENT_CLICKED_SIGNAL],
 949                        0, index);
 950 }
 951
 952 static gboolean
 953 on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
 954 {
 955         g_return_val_if_fail (msg_view, FALSE);
 956
 957         g_signal_emit (G_OBJECT(msg_view), signals[LINK_CLICKED_SIGNAL],
 958                        0, uri);
 959
 960         return FALSE;
 961 }
 962
 963
 964 static gboolean
 965 on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
 966 {
 967         g_signal_emit (G_OBJECT(msg_view), signals[LINK_HOVER_SIGNAL],
 968                        0, uri);
 969
 970         return FALSE;
 971 }
 972
 973
 974
 975 static TnyMimePart *
 976 find_cid_image (TnyMsg *msg, const gchar *cid)
 977 {
 978         TnyMimePart *part = NULL;
 979         TnyList *parts;
 980         TnyIterator *iter;
 981
 982         g_return_val_if_fail (msg, NULL);
 983         g_return_val_if_fail (cid, NULL);
 984
 985         parts  = TNY_LIST (tny_simple_list_new());
 986
 987         tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
 988         iter   = tny_list_create_iterator (parts);
 989
 990         while (!tny_iterator_is_done(iter)) {
 991                 const gchar *part_cid;
 992                 part = TNY_MIME_PART(tny_iterator_get_current(iter));
 993                 part_cid = tny_mime_part_get_content_id (part);
 994
 995                 if (part_cid && strcmp (cid, part_cid) == 0)
 996                         break;
 997
 998                 g_object_unref (G_OBJECT(part));
 999
1000                 part = NULL;
1001                 tny_iterator_next (iter);
1002         }
1003
1004         g_object_unref (G_OBJECT(iter));
1005         g_object_unref (G_OBJECT(parts));
1006
1007         return part;
1008 }
1009
1010
1011 static gboolean
1012 on_url_requested (GtkWidget *widget, const gchar *uri,
1013                   GtkHTMLStream *stream, ModestMsgView *msg_view)
1014 {
1015         ModestMsgViewPrivate *priv;
1016         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
1017
1018         if (g_str_has_prefix (uri, "cid:")) {
1019                 /* +4 ==> skip "cid:" */
1020                 TnyMimePart *part = find_cid_image (priv->msg, uri + 4);
1021                 if (!part) {
1022                         g_printerr ("modest: '%s' not found\n", uri + 4);
1023                         gtk_html_stream_close (stream, GTK_HTML_STREAM_ERROR);
1024                 } else {
1025                         TnyStream *tny_stream =
1026                                 TNY_STREAM(modest_tny_stream_gtkhtml_new(stream));
1027                         tny_mime_part_decode_to_stream ((TnyMimePart*)part,
1028                                                                   tny_stream);
1029                         gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
1030
1031                         g_object_unref (G_OBJECT(tny_stream));
1032                         g_object_unref (G_OBJECT(part));
1033                 }
1034         }
1035
1036         return TRUE;
1037 }
1038
1039 static gboolean
1040 set_html_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
1041 {
1042         GtkHTMLStream *gtkhtml_stream;
1043         TnyStream *tny_stream;
1044         ModestMsgViewPrivate *priv;
1045
1046         g_return_val_if_fail (self, FALSE);
1047         g_return_val_if_fail (tny_body, FALSE);
1048
1049         priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1050
1051         gtkhtml_stream = gtk_html_begin(GTK_HTML(priv->gtkhtml));
1052
1053         tny_stream     = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream));
1054         tny_stream_reset (tny_stream);
1055
1056         tny_mime_part_decode_to_stream ((TnyMimePart*)tny_body, tny_stream);
1057         g_object_unref (G_OBJECT(tny_stream));
1058
1059         gtk_html_stream_destroy (gtkhtml_stream);
1060
1061         return TRUE;
1062 }
1063
1064
1065 /* FIXME: this is a hack --> we use the tny_text_buffer_stream to
1066  * get the message text, then write to gtkhtml 'by hand' */
1067 static gboolean
1068 set_text_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
1069 {
1070         GtkTextBuffer *buf;
1071         GtkTextIter begin, end;
1072         TnyStream* txt_stream, *tny_stream;
1073         GtkHTMLStream *gtkhtml_stream;
1074         gchar *txt;
1075         ModestMsgViewPrivate *priv;
1076
1077         g_return_val_if_fail (self, FALSE);
1078         g_return_val_if_fail (tny_body, FALSE);
1079
1080         priv           = MODEST_MSG_VIEW_GET_PRIVATE(self);
1081
1082         buf            = gtk_text_buffer_new (NULL);
1083         txt_stream     = TNY_STREAM(tny_gtk_text_buffer_stream_new (buf));
1084
1085         tny_stream_reset (txt_stream);
1086
1087         gtkhtml_stream = gtk_html_begin(GTK_HTML(priv->gtkhtml));
1088         tny_stream =  TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream));
1089
1090         // FIXME: tinymail
1091         tny_mime_part_decode_to_stream ((TnyMimePart*)tny_body, txt_stream);
1092         tny_stream_reset (txt_stream);
1093
1094         gtk_text_buffer_get_bounds (buf, &begin, &end);
1095         txt = gtk_text_buffer_get_text (buf, &begin, &end, FALSE);
1096         if (txt) {
1097                 gchar *html = modest_text_utils_convert_to_html (txt);
1098                 tny_stream_write (tny_stream, html, strlen(html));
1099                 tny_stream_reset (tny_stream);
1100                 g_free (txt);
1101                 g_free (html);
1102         }
1103
1104         g_object_unref (G_OBJECT(tny_stream));
1105         g_object_unref (G_OBJECT(txt_stream));
1106         g_object_unref (G_OBJECT(buf));
1107
1108         gtk_html_stream_destroy (gtkhtml_stream);
1109
1110         return TRUE;
1111 }
1112
1113
1114 static gboolean
1115 set_empty_message (ModestMsgView *self)
1116 {
1117         ModestMsgViewPrivate *priv;
1118
1119         g_return_val_if_fail (self, FALSE);
1120         priv           = MODEST_MSG_VIEW_GET_PRIVATE(self);
1121
1122         gtk_html_load_from_string (GTK_HTML(priv->gtkhtml),
1123                                    "", 1);
1124
1125         return TRUE;
1126 }
1127
1128
1129 void
1130 modest_msg_view_set_message (ModestMsgView *self, TnyMsg *msg)
1131 {
1132         TnyMimePart *body;
1133         ModestMsgViewPrivate *priv;
1134         TnyHeader *header;
1135
1136         g_return_if_fail (self);
1137
1138         priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
1139         gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
1140
1141         if (msg != priv->msg) {
1142                 if (priv->msg)
1143                         g_object_unref (G_OBJECT(priv->msg));
1144                 if (msg)
1145                         g_object_ref   (G_OBJECT(msg));
1146                 priv->msg = msg;
1147         }
1148
1149         if (!msg) {
1150                 tny_header_view_clear (TNY_HEADER_VIEW (priv->mail_header_view));
1151                 gtk_widget_hide_all (priv->mail_header_view);
1152                 gtk_widget_hide_all (priv->attachments_view);
1153                 gtk_widget_set_no_show_all (priv->attachments_view, TRUE);
1154                 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1155                 set_empty_message (self);
1156                 gtk_widget_queue_resize (GTK_WIDGET(self));
1157                 gtk_widget_queue_draw (GTK_WIDGET(self));
1158                 return;
1159         }
1160
1161         header = tny_msg_get_header (msg);
1162         tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
1163         g_object_unref (header);
1164
1165         modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW(priv->attachments_view),
1166                                              msg);
1167
1168         body = modest_tny_msg_find_body_part (msg,TRUE);
1169         if (body) {
1170                 if (tny_mime_part_content_type_is (body, "text/html"))
1171                         set_html_message (self, body, msg);
1172                 else
1173                         set_text_message (self, body, msg);
1174         } else
1175                 set_empty_message (self);
1176
1177         gtk_widget_show (priv->gtkhtml);
1178         gtk_widget_show_all (priv->mail_header_view);
1179         gtk_widget_show_all (priv->attachments_view);
1180         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
1181         gtk_widget_queue_resize (GTK_WIDGET(self));
1182         gtk_widget_queue_draw (GTK_WIDGET(self));
1183
1184         if (priv->hadj != NULL)
1185                 priv->hadj->value = 0.0;
1186         if (priv->vadj != NULL)
1187                 priv->vadj->value = 0.0;
1188
1189 }
1190
1191
1192 TnyMsg*
1193 modest_msg_view_get_message (ModestMsgView *self)
1194 {
1195         g_return_val_if_fail (self, NULL);
1196
1197         return MODEST_MSG_VIEW_GET_PRIVATE(self)->msg;
1198 }
1199