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
  55 /* headers signals */
  56 static void on_recpt_activated (ModestMailHeaderView *header_view, const gchar *address, ModestMsgView *msg_view);
  57 static void on_attachment_activated (ModestAttachmentsView * att_view, gint index, gpointer);
  58
  59 /* GtkHtml signals */
  60 static gboolean on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
  61 static gboolean on_url_requested (GtkWidget *widget, const gchar *uri, GtkHTMLStream *stream,
  62                                   ModestMsgView *msg_view);
  63 static gboolean on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view);
  64
  65 /* size allocation handlers */
  66 static void size_request (GtkWidget *widget, GtkRequisition *req, gpointer userdata);
  67 static void size_allocate (GtkWidget *widget, GtkAllocation *alloc, gpointer userdata);
  68 static void html_adjustment_changed (GtkAdjustment *adj, ModestMsgView * view);
  69
  70 /* list my signals */
  71 enum {
  72         LINK_CLICKED_SIGNAL,
  73         LINK_HOVER_SIGNAL,
  74         ATTACHMENT_CLICKED_SIGNAL,
  75         RECPT_ACTIVATED_SIGNAL,
  76         LAST_SIGNAL
  77 };
  78
  79 typedef struct _ModestMsgViewPrivate ModestMsgViewPrivate;
  80 struct _ModestMsgViewPrivate {
  81         GtkWidget   *table;
  82         GtkWidget   *gtkhtml;
  83         GtkWidget   *mail_header_view;
  84         GtkWidget   *attachments_view;
  85
  86         TnyMsg      *msg;
  87
  88         GtkWidget   *headers_box;
  89         GtkWidget   *html_scroll;
  90
  91         guint full_width, full_height, html_height;
  92
  93         gulong  sig1, sig2, sig3;
  94 };
  95 #define MODEST_MSG_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  96                                                  MODEST_TYPE_MSG_VIEW, \
  97                                                  ModestMsgViewPrivate))
  98 /* globals */
  99 static GtkContainerClass *parent_class = NULL;
 100
 101 /* uncomment the following if you have defined any signals */
 102 static guint signals[LAST_SIGNAL] = {0};
 103
 104 GType
 105 modest_msg_view_get_type (void)
 106 {
 107         static GType my_type = 0;
 108         if (!my_type) {
 109                 static const GTypeInfo my_info = {
 110                         sizeof(ModestMsgViewClass),
 111                         NULL,           /* base init */
 112                         NULL,           /* base finalize */
 113                         (GClassInitFunc) modest_msg_view_class_init,
 114                         NULL,           /* class finalize */
 115                         NULL,           /* class data */
 116                         sizeof(ModestMsgView),
 117                         1,              /* n_preallocs */
 118                         (GInstanceInitFunc) modest_msg_view_init,
 119                         NULL
 120                 };
 121                 my_type = g_type_register_static (GTK_TYPE_VIEWPORT,
 122                                                   "ModestMsgView",
 123                                                   &my_info, 0);
 124         }
 125         return my_type;
 126 }
 127
 128 static void
 129 modest_msg_view_class_init (ModestMsgViewClass *klass)
 130 {
 131         GObjectClass *gobject_class;
 132         GtkWidgetClass *widget_class;
 133         gobject_class = (GObjectClass*) klass;
 134         widget_class = (GtkWidgetClass *) klass;
 135
 136         parent_class            = g_type_class_peek_parent (klass);
 137         gobject_class->finalize = modest_msg_view_finalize;
 138
 139         g_type_class_add_private (gobject_class, sizeof(ModestMsgViewPrivate));
 140
 141         signals[LINK_CLICKED_SIGNAL] =
 142                 g_signal_new ("link_clicked",
 143                               G_TYPE_FROM_CLASS (gobject_class),
 144                               G_SIGNAL_RUN_FIRST,
 145                               G_STRUCT_OFFSET(ModestMsgViewClass, link_clicked),
 146                               NULL, NULL,
 147                               g_cclosure_marshal_VOID__STRING,
 148                               G_TYPE_NONE, 1, G_TYPE_STRING);
 149
 150         signals[ATTACHMENT_CLICKED_SIGNAL] =
 151                 g_signal_new ("attachment_clicked",
 152                               G_TYPE_FROM_CLASS (gobject_class),
 153                               G_SIGNAL_RUN_FIRST,
 154                               G_STRUCT_OFFSET(ModestMsgViewClass, attachment_clicked),
 155                               NULL, NULL,
 156                               g_cclosure_marshal_VOID__POINTER,
 157                               G_TYPE_NONE, 1, G_TYPE_INT);
 158
 159         signals[LINK_HOVER_SIGNAL] =
 160                 g_signal_new ("link_hover",
 161                               G_TYPE_FROM_CLASS (gobject_class),
 162                               G_SIGNAL_RUN_FIRST,
 163                               G_STRUCT_OFFSET(ModestMsgViewClass, link_hover),
 164                               NULL, NULL,
 165                               g_cclosure_marshal_VOID__STRING,
 166                               G_TYPE_NONE, 1, G_TYPE_STRING);
 167
 168         signals[RECPT_ACTIVATED_SIGNAL] =
 169                 g_signal_new ("recpt_activated",
 170                               G_TYPE_FROM_CLASS (gobject_class),
 171                               G_SIGNAL_RUN_FIRST,
 172                               G_STRUCT_OFFSET(ModestMsgViewClass, recpt_activated),
 173                               NULL, NULL,
 174                               g_cclosure_marshal_VOID__STRING,
 175                               G_TYPE_NONE, 1, G_TYPE_STRING);
 176 }
 177
 178 /* THIS IS A HACK: we modify the size requisition and allocation system to negociate the
 179  * size of the GtkHtml so that it gets the correct height, and reports it to this widget
 180  * to propagate the new allocation. It should make it work when it's included in a scrolled
 181  * window with a viewport */
 182
 183 static void
 184 size_request (GtkWidget *widget,
 185               GtkRequisition *req,
 186               gpointer userdata)
 187 {
 188         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (widget);
 189         GtkRequisition req_headers;
 190
 191         g_message ("SIZE REQUEST START w %d h %d", req->width, req->height);
 192
 193         /* tries to allocate as much as possible of the current allocation for headers box */
 194
 195         req_headers.height = priv->full_height;
 196         req_headers.width = req->width;
 197         req->height = priv->full_height;
 198
 199         g_message ("SIZE REQUEST HEADER START w %d h %d", req_headers.width, req_headers.height);
 200         gtk_widget_size_request (priv->headers_box, &req_headers);
 201         g_message ("SIZE REQUEST HEADER END w %d h %d", req_headers.width, req_headers.height);
 202         g_message ("SIZE REQUEST END w %d h %d", req->width, req->height);
 203 }
 204
 205 static void
 206 size_allocate (GtkWidget *widget,
 207                GtkAllocation *alloc,
 208                gpointer userdata)
 209 {
 210         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (widget);
 211         GtkAllocation headers_alloc;
 212         GtkAllocation html_alloc;
 213         GtkAdjustment *hadj, *vadj;
 214
 215         g_message ("SIZE_ALLOCATE START w %d h %d", alloc->width, alloc->height);
 216
 217         priv->full_width = alloc->width;
 218         priv->full_height = alloc->height;
 219
 220         hadj = gtk_viewport_get_hadjustment (GTK_VIEWPORT (widget));
 221         vadj = gtk_viewport_get_vadjustment (GTK_VIEWPORT (widget));
 222
 223         /* allocates all the visible with for the header. The height is
 224            taken from the last requisition of the widget, supposing it's
 225            been calculated depending on this width */
 226         headers_alloc.x = alloc->x;
 227         headers_alloc.y = alloc->y;
 228         headers_alloc.width = alloc->width;
 229         headers_alloc.height = priv->headers_box->requisition.height;
 230         if (priv->html_height != priv->gtkhtml->requisition.height)
 231                 gtk_widget_size_allocate (priv->headers_box, &headers_alloc);
 232
 233         /* allocates the gtk html space trying to negociate that it takes
 234          * the available space, and as much height as it needs. To do this,
 235          * it takes the internal adjustment upper value (see html_adjustment_changed)
 236          */
 237         html_alloc.x = alloc->x;
 238         html_alloc.y = alloc->y + headers_alloc.height;
 239         html_alloc.width = alloc->width;
 240         html_alloc.height = MAX(alloc->height, priv->html_height);
 241         gtk_widget_size_allocate (priv->gtkhtml, &html_alloc);
 242
 243         /* Corrects the allocation of the full widget to include the final
 244          * gtkhtml height */
 245         priv->full_height = headers_alloc.height + priv->html_height;
 246         alloc->height = priv->full_height;
 247
 248         g_message ("SIZE_ALLOCATE END w %d h %d", alloc->width, alloc->height);
 249
 250 }
 251
 252
 253 static void
 254 html_adjustment_changed (GtkAdjustment *adj,
 255                          ModestMsgView * view)
 256 {
 257         ModestMsgViewPrivate *priv = MODEST_MSG_VIEW_GET_PRIVATE (view);
 258
 259         g_message ("ADJUSTMENT CHANGED START upper %f html_height %d", adj->upper, priv->html_height);
 260
 261         /* correct the html height calculation depending on the range exposed
 262          * by the html vertical adjustment
 263          */
 264         if (((gint) adj->upper) != priv->gtkhtml->allocation.height) {
 265                 priv->html_height = (gint) adj->upper;
 266         }
 267         gtk_widget_queue_resize (GTK_WIDGET(view));
 268 }
 269
 270
 271 static void
 272 modest_msg_view_init (ModestMsgView *obj)
 273 {
 274         ModestMsgViewPrivate *priv;
 275
 276         priv = MODEST_MSG_VIEW_GET_PRIVATE(obj);
 277
 278
 279         priv->full_width = 0;
 280         priv->full_height = 0;
 281         priv->html_height = G_MAXINT;
 282
 283         priv->table = gtk_table_new (2, 2, FALSE);
 284
 285         gtk_table_set_row_spacings (GTK_TABLE (priv->table), 0);
 286         gtk_table_set_col_spacings (GTK_TABLE (priv->table), 0);
 287
 288         priv->html_scroll = gtk_scrolled_window_new (NULL, NULL);
 289         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->html_scroll), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 290
 291         priv->msg                     = NULL;
 292
 293         priv->gtkhtml                 = gtk_html_new();
 294         gtk_html_set_editable        (GTK_HTML(priv->gtkhtml), FALSE);
 295         gtk_html_allow_selection     (GTK_HTML(priv->gtkhtml), TRUE);
 296         gtk_html_set_caret_mode      (GTK_HTML(priv->gtkhtml), FALSE);
 297         gtk_html_set_blocking        (GTK_HTML(priv->gtkhtml), FALSE);
 298         gtk_html_set_images_blocking (GTK_HTML(priv->gtkhtml), FALSE);
 299
 300         priv->mail_header_view        = GTK_WIDGET(modest_mail_header_view_new ());
 301         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
 302
 303         priv->attachments_view        = GTK_WIDGET(modest_attachments_view_new (NULL));
 304         gtk_widget_set_no_show_all (priv->attachments_view, TRUE);
 305
 306         priv->sig1 = g_signal_connect (G_OBJECT(priv->gtkhtml), "link_clicked",
 307                                        G_CALLBACK(on_link_clicked), obj);
 308         priv->sig2 = g_signal_connect (G_OBJECT(priv->gtkhtml), "url_requested",
 309                                        G_CALLBACK(on_url_requested), obj);
 310         priv->sig3 = g_signal_connect (G_OBJECT(priv->gtkhtml), "on_url",
 311                                        G_CALLBACK(on_link_hover), obj);
 312
 313         g_signal_connect (G_OBJECT (priv->mail_header_view), "recpt-activated",
 314                           G_CALLBACK (on_recpt_activated), obj);
 315
 316         g_signal_connect (G_OBJECT (priv->attachments_view), "activate",
 317                           G_CALLBACK (on_attachment_activated), obj);
 318 }
 319
 320
 321 static void
 322 modest_msg_view_finalize (GObject *obj)
 323 {
 324         ModestMsgViewPrivate *priv;
 325         priv = MODEST_MSG_VIEW_GET_PRIVATE (obj);
 326
 327         if (priv->msg) {
 328                 g_object_unref (G_OBJECT(priv->msg));
 329                 priv->msg = NULL;
 330         }
 331
 332         /* we cannot disconnect sigs, because priv->gtkhtml is
 333          * already dead */
 334
 335         priv->gtkhtml = NULL;
 336         priv->attachments_view = NULL;
 337
 338         G_OBJECT_CLASS(parent_class)->finalize (obj);
 339 }
 340
 341 GtkWidget*
 342 modest_msg_view_new (TnyMsg *msg)
 343 {
 344         GObject *obj;
 345         ModestMsgView* self;
 346         ModestMsgViewPrivate *priv;
 347
 348         obj  = G_OBJECT(g_object_new(MODEST_TYPE_MSG_VIEW, NULL));
 349         self = MODEST_MSG_VIEW(obj);
 350         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
 351
 352         priv->headers_box = gtk_vbox_new (0, FALSE);
 353
 354         if (priv->mail_header_view)
 355                 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->mail_header_view, FALSE, FALSE, 0);
 356
 357         if (priv->attachments_view)
 358                 gtk_box_pack_start (GTK_BOX(priv->headers_box), priv->attachments_view, FALSE, FALSE, 0);
 359
 360         gtk_table_attach (GTK_TABLE (priv->table), priv->headers_box, 0, 1, 0, 1, GTK_EXPAND, 0, 0, 0);
 361         gtk_table_attach (GTK_TABLE (priv->table), gtk_label_new (""), 1, 2, 0, 1, 0, GTK_FILL|GTK_SHRINK, 0, 0);
 362
 363         if (priv->gtkhtml) {
 364                 gtk_container_add (GTK_CONTAINER (priv->html_scroll), priv->gtkhtml);
 365                 gtk_table_attach (GTK_TABLE(priv->table), priv->html_scroll, 0, 2, 1, 2, GTK_EXPAND, GTK_EXPAND, 0, 0);
 366         }
 367
 368         gtk_container_add (GTK_CONTAINER (self), priv->table);
 369
 370         modest_msg_view_set_message (self, msg);
 371
 372         g_signal_connect (G_OBJECT (self), "size-request", G_CALLBACK (size_request), NULL);
 373         g_signal_connect (G_OBJECT (self), "size-allocate", G_CALLBACK (size_allocate), NULL);
 374         g_signal_connect (G_OBJECT (gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(priv->html_scroll))),
 375                           "changed", G_CALLBACK (html_adjustment_changed), self);
 376
 377         return GTK_WIDGET(self);
 378 }
 379
 380 static void
 381 on_recpt_activated (ModestMailHeaderView *header_view,
 382                     const gchar *address,
 383                     ModestMsgView * view)
 384 {
 385         g_signal_emit (G_OBJECT (view), signals[RECPT_ACTIVATED_SIGNAL], 0, address);
 386 }
 387
 388 static void
 389 on_attachment_activated (ModestAttachmentsView * att_view, gint index, gpointer msg_view)
 390 {
 391
 392
 393         if (index == 0) {
 394                 /* index is 1-based, so 0 indicates an error */
 395                 g_printerr ("modest: invalid attachment index: %d\n", index);
 396                 return;
 397         }
 398
 399         g_signal_emit (G_OBJECT(msg_view), signals[ATTACHMENT_CLICKED_SIGNAL],
 400                        0, index);
 401 }
 402
 403 static gboolean
 404 on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
 405 {
 406         g_return_val_if_fail (msg_view, FALSE);
 407
 408         g_signal_emit (G_OBJECT(msg_view), signals[LINK_CLICKED_SIGNAL],
 409                        0, uri);
 410
 411         return FALSE;
 412 }
 413
 414
 415 static gboolean
 416 on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
 417 {
 418         g_signal_emit (G_OBJECT(msg_view), signals[LINK_HOVER_SIGNAL],
 419                        0, uri);
 420
 421         return FALSE;
 422 }
 423
 424
 425
 426 static TnyMimePart *
 427 find_cid_image (TnyMsg *msg, const gchar *cid)
 428 {
 429         TnyMimePart *part = NULL;
 430         TnyList *parts;
 431         TnyIterator *iter;
 432
 433         g_return_val_if_fail (msg, NULL);
 434         g_return_val_if_fail (cid, NULL);
 435
 436         parts  = TNY_LIST (tny_simple_list_new());
 437
 438         tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
 439         iter   = tny_list_create_iterator (parts);
 440
 441         while (!tny_iterator_is_done(iter)) {
 442                 const gchar *part_cid;
 443                 part = TNY_MIME_PART(tny_iterator_get_current(iter));
 444                 part_cid = tny_mime_part_get_content_id (part);
 445
 446                 if (part_cid && strcmp (cid, part_cid) == 0)
 447                         break;
 448
 449                 g_object_unref (G_OBJECT(part));
 450
 451                 part = NULL;
 452                 tny_iterator_next (iter);
 453         }
 454
 455         g_object_unref (G_OBJECT(iter));
 456         g_object_unref (G_OBJECT(parts));
 457
 458         return part;
 459 }
 460
 461
 462 static gboolean
 463 on_url_requested (GtkWidget *widget, const gchar *uri,
 464                   GtkHTMLStream *stream, ModestMsgView *msg_view)
 465 {
 466         ModestMsgViewPrivate *priv;
 467         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 468
 469         if (g_str_has_prefix (uri, "cid:")) {
 470                 /* +4 ==> skip "cid:" */
 471                 TnyMimePart *part = find_cid_image (priv->msg, uri + 4);
 472                 if (!part) {
 473                         g_printerr ("modest: '%s' not found\n", uri + 4);
 474                         gtk_html_stream_close (stream, GTK_HTML_STREAM_ERROR);
 475                 } else {
 476                         TnyStream *tny_stream =
 477                                 TNY_STREAM(modest_tny_stream_gtkhtml_new(stream));
 478                         tny_mime_part_decode_to_stream ((TnyMimePart*)part,
 479                                                                   tny_stream);
 480                         gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
 481
 482                         g_object_unref (G_OBJECT(tny_stream));
 483                         g_object_unref (G_OBJECT(part));
 484                 }
 485         }
 486
 487         return TRUE;
 488 }
 489
 490 static gboolean
 491 set_html_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
 492 {
 493         GtkHTMLStream *gtkhtml_stream;
 494         TnyStream *tny_stream;
 495         ModestMsgViewPrivate *priv;
 496
 497         g_return_val_if_fail (self, FALSE);
 498         g_return_val_if_fail (tny_body, FALSE);
 499
 500         priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
 501
 502         gtkhtml_stream = gtk_html_begin(GTK_HTML(priv->gtkhtml));
 503
 504         tny_stream     = TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream));
 505         tny_stream_reset (tny_stream);
 506
 507         tny_mime_part_decode_to_stream ((TnyMimePart*)tny_body, tny_stream);
 508         g_object_unref (G_OBJECT(tny_stream));
 509
 510         gtk_html_stream_destroy (gtkhtml_stream);
 511
 512         return TRUE;
 513 }
 514
 515
 516 /* FIXME: this is a hack --> we use the tny_text_buffer_stream to
 517  * get the message text, then write to gtkhtml 'by hand' */
 518 static gboolean
 519 set_text_message (ModestMsgView *self, TnyMimePart *tny_body, TnyMsg *msg)
 520 {
 521         GtkTextBuffer *buf;
 522         GtkTextIter begin, end;
 523         TnyStream* txt_stream, *tny_stream;
 524         GtkHTMLStream *gtkhtml_stream;
 525         gchar *txt;
 526         ModestMsgViewPrivate *priv;
 527
 528         g_return_val_if_fail (self, FALSE);
 529         g_return_val_if_fail (tny_body, FALSE);
 530
 531         priv           = MODEST_MSG_VIEW_GET_PRIVATE(self);
 532
 533         buf            = gtk_text_buffer_new (NULL);
 534         txt_stream     = TNY_STREAM(tny_gtk_text_buffer_stream_new (buf));
 535
 536         tny_stream_reset (txt_stream);
 537
 538         gtkhtml_stream = gtk_html_begin(GTK_HTML(priv->gtkhtml));
 539         tny_stream =  TNY_STREAM(modest_tny_stream_gtkhtml_new (gtkhtml_stream));
 540
 541         // FIXME: tinymail
 542         tny_mime_part_decode_to_stream ((TnyMimePart*)tny_body, txt_stream);
 543         tny_stream_reset (txt_stream);
 544
 545         gtk_text_buffer_get_bounds (buf, &begin, &end);
 546         txt = gtk_text_buffer_get_text (buf, &begin, &end, FALSE);
 547         if (txt) {
 548                 gchar *html = modest_text_utils_convert_to_html (txt);
 549                 tny_stream_write (tny_stream, html, strlen(html));
 550                 tny_stream_reset (tny_stream);
 551                 g_free (txt);
 552                 g_free (html);
 553         }
 554
 555         g_object_unref (G_OBJECT(tny_stream));
 556         g_object_unref (G_OBJECT(txt_stream));
 557         g_object_unref (G_OBJECT(buf));
 558
 559         gtk_html_stream_destroy (gtkhtml_stream);
 560
 561         return TRUE;
 562 }
 563
 564
 565 static gboolean
 566 set_empty_message (ModestMsgView *self)
 567 {
 568         ModestMsgViewPrivate *priv;
 569
 570         g_return_val_if_fail (self, FALSE);
 571         priv           = MODEST_MSG_VIEW_GET_PRIVATE(self);
 572
 573         gtk_html_load_from_string (GTK_HTML(priv->gtkhtml),
 574                                    "", 1);
 575
 576         return TRUE;
 577 }
 578
 579
 580 void
 581 modest_msg_view_set_message (ModestMsgView *self, TnyMsg *msg)
 582 {
 583         TnyMimePart *body;
 584         ModestMsgViewPrivate *priv;
 585         TnyHeader *header;
 586
 587         g_return_if_fail (self);
 588
 589         priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
 590         gtk_widget_set_no_show_all (priv->mail_header_view, FALSE);
 591
 592         if (msg != priv->msg) {
 593                 if (priv->msg)
 594                         g_object_unref (G_OBJECT(priv->msg));
 595                 if (msg)
 596                         g_object_ref   (G_OBJECT(msg));
 597                 priv->msg = msg;
 598         }
 599
 600         if (!msg) {
 601                 tny_header_view_clear (TNY_HEADER_VIEW (priv->mail_header_view));
 602                 gtk_widget_hide_all (priv->mail_header_view);
 603                 gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
 604                 set_empty_message (self);
 605                 return;
 606         }
 607
 608         header = tny_msg_get_header (msg);
 609         tny_header_view_set_header (TNY_HEADER_VIEW (priv->mail_header_view), header);
 610         g_object_unref (header);
 611
 612         modest_attachments_view_set_message (MODEST_ATTACHMENTS_VIEW(priv->attachments_view),
 613                                              msg);
 614
 615         body = modest_tny_msg_find_body_part (msg,TRUE);
 616         if (body) {
 617                 if (tny_mime_part_content_type_is (body, "text/html"))
 618                         set_html_message (self, body, msg);
 619                 else
 620                         set_text_message (self, body, msg);
 621         } else
 622                 set_empty_message (self);
 623
 624         gtk_widget_queue_resize (GTK_WIDGET (self));
 625
 626         gtk_widget_show (priv->gtkhtml);
 627         gtk_widget_show_all (priv->mail_header_view);
 628         gtk_widget_set_no_show_all (priv->mail_header_view, TRUE);
 629
 630 }
 631
 632
 633 TnyMsg*
 634 modest_msg_view_get_message (ModestMsgView *self)
 635 {
 636         g_return_val_if_fail (self, NULL);
 637
 638         return MODEST_MSG_VIEW_GET_PRIVATE(self)->msg;
 639 }
 640