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-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-iface.h>
  39
  40 #include <modest-tny-msg-actions.h>
  41 #include "modest-msg-view.h"
  42 #include "modest-tny-stream-gtkhtml.h"
  43
  44
  45 /* 'private'/'protected' functions */
  46 static void     modest_msg_view_class_init   (ModestMsgViewClass *klass);
  47 static void     modest_msg_view_init         (ModestMsgView *obj);
  48 static void     modest_msg_view_finalize     (GObject *obj);
  49
  50
  51 static GSList*  get_url_matches (GString *txt);
  52 static gboolean on_link_clicked (GtkWidget *widget, const gchar *uri,
  53                                  ModestMsgView *msg_view);
  54 static gboolean on_url_requested (GtkWidget *widget, const gchar *uri,
  55                                   GtkHTMLStream *stream,
  56                                   ModestMsgView *msg_view);
  57 static gboolean on_link_hover (GtkWidget *widget, const gchar *uri,
  58                                ModestMsgView *msg_view);
  59
  60 /*
  61  * we need these regexps to find URLs in plain text e-mails
  62  */
  63 typedef struct _UrlMatchPattern UrlMatchPattern;
  64 struct _UrlMatchPattern {
  65         gchar   *regex;
  66         regex_t *preg;
  67         gchar   *prefix;
  68
  69 };
  70
  71 #define ATT_PREFIX "att:"
  72
  73 #define MAIL_VIEWER_URL_MATCH_PATTERNS  {                               \
  74         { "(file|rtsp|http|ftp|https)://[-A-Za-z0-9_$.+!*(),;:@%&=?/~#]+[-A-Za-z0-9_$%&=?/~#]",\
  75           NULL, NULL },\
  76         { "www\\.[-a-z0-9.]+[-a-z0-9](:[0-9]*)?(/[-A-Za-z0-9_$.+!*(),;:@%&=?/~#]*[^]}\\),?!;:\"]?)?",\
  77           NULL, "http://" },\
  78         { "ftp\\.[-a-z0-9.]+[-a-z0-9](:[0-9]*)?(/[-A-Za-z0-9_$.+!*(),;:@%&=?/~#]*[^]}\\),?!;:\"]?)?",\
  79           NULL, "ftp://" },\
  80         { "(voipto|callto|chatto|jabberto|xmpp):[-_a-z@0-9.\\+]+", \
  81            NULL, NULL},                                             \
  82         { "mailto:[-_a-z0-9.\\+]+@[-_a-z0-9.]+",                    \
  83           NULL, NULL},\
  84         { "[-_a-z0-9.\\+]+@[-_a-z0-9.]+",\
  85           NULL, "mailto:"}\
  86         }
  87
  88
  89 /* list my signals */
  90 enum {
  91         LINK_CLICKED_SIGNAL,
  92         LINK_HOVER_SIGNAL,
  93         ATTACHMENT_CLICKED_SIGNAL,
  94         LAST_SIGNAL
  95 };
  96
  97 typedef struct _ModestMsgViewPrivate ModestMsgViewPrivate;
  98 struct _ModestMsgViewPrivate {
  99         GtkWidget *gtkhtml;
 100         const TnyMsgIface *msg;
 101 };
 102 #define MODEST_MSG_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
 103                                                  MODEST_TYPE_MSG_VIEW, \
 104                                                  ModestMsgViewPrivate))
 105 /* globals */
 106 static GtkContainerClass *parent_class = NULL;
 107
 108 /* uncomment the following if you have defined any signals */
 109 static guint signals[LAST_SIGNAL] = {0};
 110
 111 GType
 112 modest_msg_view_get_type (void)
 113 {
 114         static GType my_type = 0;
 115         if (!my_type) {
 116                 static const GTypeInfo my_info = {
 117                         sizeof(ModestMsgViewClass),
 118                         NULL,           /* base init */
 119                         NULL,           /* base finalize */
 120                         (GClassInitFunc) modest_msg_view_class_init,
 121                         NULL,           /* class finalize */
 122                         NULL,           /* class data */
 123                         sizeof(ModestMsgView),
 124                         1,              /* n_preallocs */
 125                         (GInstanceInitFunc) modest_msg_view_init,
 126                 };
 127                 my_type = g_type_register_static (GTK_TYPE_SCROLLED_WINDOW,
 128                                                   "ModestMsgView",
 129                                                   &my_info, 0);
 130         }
 131         return my_type;
 132 }
 133
 134 static void
 135 modest_msg_view_class_init (ModestMsgViewClass *klass)
 136 {
 137         GObjectClass *gobject_class;
 138         gobject_class = (GObjectClass*) klass;
 139
 140         parent_class            = g_type_class_peek_parent (klass);
 141         gobject_class->finalize = modest_msg_view_finalize;
 142
 143         g_type_class_add_private (gobject_class, sizeof(ModestMsgViewPrivate));
 144
 145
 146         signals[LINK_CLICKED_SIGNAL] =
 147                 g_signal_new ("link_clicked",
 148                               G_TYPE_FROM_CLASS (gobject_class),
 149                               G_SIGNAL_RUN_FIRST,
 150                               G_STRUCT_OFFSET(ModestMsgViewClass, link_clicked),
 151                               NULL, NULL,
 152                               g_cclosure_marshal_VOID__STRING,
 153                               G_TYPE_NONE, 1, G_TYPE_STRING);
 154
 155         signals[ATTACHMENT_CLICKED_SIGNAL] =
 156                 g_signal_new ("attachment_clicked",
 157                               G_TYPE_FROM_CLASS (gobject_class),
 158                               G_SIGNAL_RUN_FIRST,
 159                               G_STRUCT_OFFSET(ModestMsgViewClass, attachment_clicked),
 160                               NULL, NULL,
 161                               g_cclosure_marshal_VOID__POINTER,
 162                               G_TYPE_NONE, 1, G_TYPE_INT);
 163
 164         signals[LINK_HOVER_SIGNAL] =
 165                 g_signal_new ("link_hover",
 166                               G_TYPE_FROM_CLASS (gobject_class),
 167                               G_SIGNAL_RUN_FIRST,
 168                               G_STRUCT_OFFSET(ModestMsgViewClass, link_hover),
 169                               NULL, NULL,
 170                               g_cclosure_marshal_VOID__STRING,
 171                               G_TYPE_NONE, 1, G_TYPE_STRING);
 172 }
 173
 174 static void
 175 modest_msg_view_init (ModestMsgView *obj)
 176 {
 177         ModestMsgViewPrivate *priv;
 178
 179         priv = MODEST_MSG_VIEW_GET_PRIVATE(obj);
 180
 181         priv->msg                     = NULL;
 182         priv->gtkhtml                 = gtk_html_new();
 183
 184         gtk_html_set_editable        (GTK_HTML(priv->gtkhtml), FALSE);
 185         gtk_html_allow_selection     (GTK_HTML(priv->gtkhtml), TRUE);
 186         gtk_html_set_caret_mode      (GTK_HTML(priv->gtkhtml), FALSE);
 187         gtk_html_set_blocking        (GTK_HTML(priv->gtkhtml), FALSE);
 188         gtk_html_set_images_blocking (GTK_HTML(priv->gtkhtml), FALSE);
 189
 190         g_signal_connect (G_OBJECT(priv->gtkhtml), "link_clicked",
 191                           G_CALLBACK(on_link_clicked), obj);
 192
 193         g_signal_connect (G_OBJECT(priv->gtkhtml), "url_requested",
 194                           G_CALLBACK(on_url_requested), obj);
 195
 196         g_signal_connect (G_OBJECT(priv->gtkhtml), "on_url",
 197                           G_CALLBACK(on_link_hover), obj);
 198 }
 199
 200
 201 static void
 202 modest_msg_view_finalize (GObject *obj)
 203 {
 204         G_OBJECT_CLASS(parent_class)->finalize (obj);
 205 }
 206
 207
 208 GtkWidget*
 209 modest_msg_view_new (const TnyMsgIface *msg)
 210 {
 211         GObject *obj;
 212         ModestMsgView* self;
 213         ModestMsgViewPrivate *priv;
 214
 215         obj  = G_OBJECT(g_object_new(MODEST_TYPE_MSG_VIEW, NULL));
 216         self = MODEST_MSG_VIEW(obj);
 217         priv = MODEST_MSG_VIEW_GET_PRIVATE (self);
 218
 219         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(self),
 220                                        GTK_POLICY_AUTOMATIC,
 221                                        GTK_POLICY_AUTOMATIC);
 222
 223         if (priv->gtkhtml)
 224                 gtk_container_add (GTK_CONTAINER(obj), priv->gtkhtml);
 225
 226         if (msg)
 227                 modest_msg_view_set_message (self, msg);
 228
 229         return GTK_WIDGET(self);
 230 }
 231
 232
 233 static gboolean
 234 on_link_clicked (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
 235 {
 236         int index;
 237
 238         g_return_val_if_fail (msg_view, FALSE);
 239
 240         /* is it an attachment? */
 241         if (g_str_has_prefix(uri, ATT_PREFIX)) {
 242
 243                 index = atoi (uri + strlen(ATT_PREFIX));
 244
 245                 if (index == 0) {
 246                         /* index is 1-based, so 0 indicates an error */
 247                         g_printerr ("modest: invalid attachment id: %s\n", uri);
 248                         return FALSE;
 249                 }
 250
 251                 g_signal_emit (G_OBJECT(msg_view), signals[ATTACHMENT_CLICKED_SIGNAL],
 252                                0, index);
 253                 return FALSE;
 254         }
 255
 256         g_signal_emit (G_OBJECT(msg_view), signals[LINK_CLICKED_SIGNAL],
 257                        0, uri);
 258
 259         return FALSE;
 260 }
 261
 262
 263
 264 static gboolean
 265 on_link_hover (GtkWidget *widget, const gchar *uri, ModestMsgView *msg_view)
 266 {
 267         if (uri && g_str_has_prefix (uri, ATT_PREFIX))
 268                 return FALSE;
 269
 270         g_signal_emit (G_OBJECT(msg_view), signals[LINK_HOVER_SIGNAL],
 271                        0, uri);
 272
 273         return FALSE;
 274 }
 275
 276
 277
 278 static TnyMsgMimePartIface *
 279 find_cid_image (const TnyMsgIface *msg, const gchar *cid)
 280 {
 281         TnyMsgMimePartIface *part = NULL;
 282         const TnyListIface *parts;
 283         TnyIteratorIface *iter;
 284
 285         g_return_val_if_fail (msg, NULL);
 286         g_return_val_if_fail (cid, NULL);
 287
 288         parts  = tny_msg_iface_get_parts ((TnyMsgIface*)msg); // FIXME: tinymail
 289         iter   = tny_list_iface_create_iterator ((TnyListIface*)parts);
 290
 291         while (!tny_iterator_iface_is_done(iter)) {
 292                 const gchar *part_cid;
 293                 part = TNY_MSG_MIME_PART_IFACE(tny_iterator_iface_current(iter));
 294                 part_cid = tny_msg_mime_part_iface_get_content_id (part);
 295
 296                 if (part_cid && strcmp (cid, part_cid) == 0)
 297                         break;
 298
 299                 part = NULL;
 300                 tny_iterator_iface_next (iter);
 301         }
 302
 303         g_object_unref (G_OBJECT(iter));
 304         return part;
 305 }
 306
 307
 308 static gboolean
 309 on_url_requested (GtkWidget *widget, const gchar *uri,
 310                   GtkHTMLStream *stream,
 311                   ModestMsgView *msg_view)
 312 {
 313         ModestMsgViewPrivate *priv;
 314         priv = MODEST_MSG_VIEW_GET_PRIVATE (msg_view);
 315
 316         if (g_str_has_prefix (uri, "cid:")) {
 317                 /* +4 ==> skip "cid:" */
 318                 const TnyMsgMimePartIface *part = find_cid_image (priv->msg, uri + 4);
 319                 if (!part) {
 320                         g_printerr ("modest: '%s' not found\n", uri + 4);
 321                         gtk_html_stream_close (stream, GTK_HTML_STREAM_ERROR);
 322                 } else {
 323                         TnyStreamIface *tny_stream =
 324                                 TNY_STREAM_IFACE(modest_tny_stream_gtkhtml_new(stream));
 325                         // FIXME: tinymail
 326                         tny_msg_mime_part_iface_decode_to_stream ((TnyMsgMimePartIface*)part,
 327                                                                   tny_stream);
 328                         gtk_html_stream_close (stream, GTK_HTML_STREAM_OK);
 329                 }
 330         }
 331
 332         return TRUE;
 333 }
 334
 335
 336 typedef struct  {
 337         guint offset;
 338         guint len;
 339         const gchar* prefix;
 340 } url_match_t;
 341
 342
 343
 344 /* render the attachments as hyperlinks in html */
 345 static gchar*
 346 attachments_as_html (ModestMsgView *self, const TnyMsgIface *msg)
 347 {
 348         ModestMsgViewPrivate *priv;
 349         GString *appendix;
 350         const TnyListIface *parts;
 351         TnyIteratorIface *iter;
 352         gchar *html;
 353         int index = 0;
 354
 355         if (!msg)
 356                 return NULL;
 357
 358         priv  = MODEST_MSG_VIEW_GET_PRIVATE (self);
 359         parts = tny_msg_iface_get_parts ((TnyMsgIface*)msg);
 360         // FIXME: tinymail
 361         iter  = tny_list_iface_create_iterator ((TnyListIface*)parts);
 362
 363         appendix= g_string_new ("");
 364
 365         while (!tny_iterator_iface_is_done(iter)) {
 366                 TnyMsgMimePartIface *part;
 367
 368                 ++index; /* attachment numbers are 1-based */
 369
 370                 part = TNY_MSG_MIME_PART_IFACE(tny_iterator_iface_current (iter));
 371
 372                 if (tny_msg_mime_part_iface_is_attachment (part)) {
 373
 374                         const gchar *filename = tny_msg_mime_part_iface_get_filename(part);
 375                         if (!filename)
 376                                 filename = _("attachment");
 377
 378                         g_string_append_printf (appendix, "<a href=\"%s%d\">%s</a> \n",
 379                                                 ATT_PREFIX, index, filename);
 380                 }
 381                 tny_iterator_iface_next (iter);
 382         }
 383         g_object_unref (G_OBJECT(iter));
 384
 385         if (appendix->len == 0)
 386                 return g_string_free (appendix, TRUE);
 387
 388         html = g_strdup_printf ("<strong>%s:</strong> %s\n<hr>",
 389                                 _("Attachments"), appendix->str);
 390         g_string_free (appendix, TRUE);
 391
 392         return html;
 393 }
 394
 395
 396
 397 static void
 398 hyperlinkify_plain_text (GString *txt)
 399 {
 400         GSList *cursor;
 401         GSList *match_list = get_url_matches (txt);
 402
 403         /* we will work backwards, so the offsets stay valid */
 404         for (cursor = match_list; cursor; cursor = cursor->next) {
 405
 406                 url_match_t *match = (url_match_t*) cursor->data;
 407                 gchar *url  = g_strndup (txt->str + match->offset, match->len);
 408                 gchar *repl = NULL; /* replacement  */
 409
 410                 /* the prefix is NULL: use the one that is already there */
 411                 repl = g_strdup_printf ("<a href=\"%s%s\">%s</a>",
 412                                         match->prefix ? match->prefix : "", url, url);
 413
 414                 /* replace the old thing with our hyperlink
 415                  * replacement thing */
 416                 g_string_erase  (txt, match->offset, match->len);
 417                 g_string_insert (txt, match->offset, repl);
 418
 419                 g_free (url);
 420                 g_free (repl);
 421
 422                 g_free (cursor->data);
 423         }
 424
 425         g_slist_free (match_list);
 426 }
 427
 428
 429
 430 static gchar *
 431 convert_to_html (const gchar *data)
 432 {
 433         int              i;
 434         gboolean         first_space = TRUE;
 435         GString         *html;
 436         gsize           len;
 437
 438         if (!data)
 439                 return NULL;
 440
 441         len = strlen (data);
 442         html = g_string_sized_new (len + 100);  /* just a  guess... */
 443
 444         g_string_append_printf (html,
 445                                 "<html>"
 446                                 "<head>"
 447                                 "<meta http-equiv=\"content-type\""
 448                                 " content=\"text/html; charset=utf8\">"
 449                                 "</head>"
 450                                 "<body><tt>");
 451
 452         /* replace with special html chars where needed*/
 453         for (i = 0; i != len; ++i)  {
 454                 char    kar = data[i];
 455                 switch (kar) {
 456
 457                 case 0:  break; /* ignore embedded \0s */
 458                 case '<' : g_string_append   (html, "&lt;"); break;
 459                 case '>' : g_string_append   (html, "&gt;"); break;
 460                 case '&' : g_string_append   (html, "&quot;"); break;
 461                 case '\n': g_string_append   (html, "<br>\n"); break;
 462                 default:
 463                         if (kar == ' ') {
 464                                 g_string_append (html, first_space ? " " : "&nbsp;");
 465                                 first_space = FALSE;
 466                         } else  if (kar == '\t')
 467                                 g_string_append (html, "&nbsp; &nbsp;&nbsp;");
 468                         else {
 469                                 int charnum = 0;
 470                                 first_space = TRUE;
 471                                 /* optimization trick: accumulate 'normal' chars, then copy */
 472                                 do {
 473                                         kar = data [++charnum + i];
 474
 475                                 } while ((i + charnum < len) &&
 476                                          (kar > '>' || (kar != '<' && kar != '>'
 477                                                         && kar != '&' && kar !=  ' '
 478                                                         && kar != '\n' && kar != '\t')));
 479                                 g_string_append_len (html, &data[i], charnum);
 480                                 i += (charnum  - 1);
 481                         }
 482                 }
 483         }
 484
 485         g_string_append (html, "</tt></body></html>");
 486         hyperlinkify_plain_text (html);
 487
 488         return g_string_free (html, FALSE);
 489 }
 490
 491
 492
 493
 494 static gint
 495 cmp_offsets_reverse (const url_match_t *match1, const url_match_t *match2)
 496 {
 497         return match2->offset - match1->offset;
 498 }
 499
 500
 501
 502 /*
 503  * check if the match is inside an existing match... */
 504 static void
 505 chk_partial_match (const url_match_t *match, int* offset)
 506 {
 507         if (*offset >= match->offset && *offset < match->offset + match->len)
 508                 *offset = -1;
 509 }
 510
 511 static GSList*
 512 get_url_matches (GString *txt)
 513 {
 514         regmatch_t rm;
 515         int rv, i, offset = 0;
 516         GSList *match_list = NULL;
 517
 518         static UrlMatchPattern patterns[] = MAIL_VIEWER_URL_MATCH_PATTERNS;
 519         const size_t pattern_num = sizeof(patterns)/sizeof(UrlMatchPattern);
 520
 521         /* initalize the regexps */
 522         for (i = 0; i != pattern_num; ++i) {
 523                 patterns[i].preg = g_new0 (regex_t,1);
 524                 g_assert(regcomp (patterns[i].preg, patterns[i].regex,
 525                                   REG_ICASE|REG_EXTENDED|REG_NEWLINE) == 0);
 526         }
 527         /* find all the matches */
 528         for (i = 0; i != pattern_num; ++i) {
 529                 offset     = 0;
 530                 while (1) {
 531                         int test_offset;
 532                         if ((rv = regexec (patterns[i].preg, txt->str + offset, 1, &rm, 0)) != 0) {
 533                                 g_assert (rv == REG_NOMATCH); /* this should not happen */
 534                                 break; /* try next regexp */
 535                         }
 536                         if (rm.rm_so == -1)
 537                                 break;
 538
 539                         /* FIXME: optimize this */
 540                         /* to avoid partial matches on something that was already found... */
 541                         /* check_partial_match will put -1 in the data ptr if that is the case */
 542                         test_offset = offset + rm.rm_so;
 543                         g_slist_foreach (match_list, (GFunc)chk_partial_match, &test_offset);
 544
 545                         /* make a list of our matches (<offset, len, prefix> tupels)*/
 546                         if (test_offset != -1) {
 547                                 url_match_t *match = g_new (url_match_t,1);
 548                                 match->offset = offset + rm.rm_so;
 549                                 match->len    = rm.rm_eo - rm.rm_so;
 550                                 match->prefix = patterns[i].prefix;
 551                                 match_list = g_slist_prepend (match_list, match);
 552                         }
 553                         offset += rm.rm_eo;
 554                 }
 555         }
 556
 557         for (i = 0; i != pattern_num; ++i) {
 558                 regfree (patterns[i].preg);
 559                 g_free  (patterns[i].preg);
 560         } /* don't free patterns itself -- it's static */
 561
 562         /* now sort the list, so the matches are in reverse order of occurence.
 563          * that way, we can do the replacements starting from the end, so we don't need
 564          * to recalculate the offsets
 565          */
 566         match_list = g_slist_sort (match_list,
 567                                    (GCompareFunc)cmp_offsets_reverse);
 568         return match_list;
 569 }
 570
 571
 572
 573 static gboolean
 574 set_html_message (ModestMsgView *self, const TnyMsgMimePartIface *tny_body,
 575                   const TnyMsgIface *msg)
 576 {
 577         gchar *html_attachments;
 578         TnyStreamIface *gtkhtml_stream;
 579         ModestMsgViewPrivate *priv;
 580
 581         g_return_val_if_fail (self, FALSE);
 582         g_return_val_if_fail (tny_body, FALSE);
 583
 584         priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
 585
 586         gtkhtml_stream =
 587                 TNY_STREAM_IFACE(modest_tny_stream_gtkhtml_new
 588                                  (gtk_html_begin(GTK_HTML(priv->gtkhtml))));
 589
 590         tny_stream_iface_reset (gtkhtml_stream);
 591
 592         html_attachments = attachments_as_html(self, msg);
 593         if (html_attachments) {
 594                 tny_stream_iface_write (gtkhtml_stream, html_attachments,
 595                                         strlen(html_attachments));
 596                 tny_stream_iface_reset (gtkhtml_stream);
 597                 g_free (html_attachments);
 598         }
 599
 600         // FIXME: tinymail
 601         tny_msg_mime_part_iface_decode_to_stream ((TnyMsgMimePartIface*)tny_body,
 602                                                   gtkhtml_stream);
 603
 604         g_object_unref (G_OBJECT(gtkhtml_stream));
 605
 606         return TRUE;
 607 }
 608
 609
 610 /* this is a hack --> we use the tny_text_buffer_stream to
 611  * get the message text, then write to gtkhtml 'by hand' */
 612 static gboolean
 613 set_text_message (ModestMsgView *self, const TnyMsgMimePartIface *tny_body,
 614                   const TnyMsgIface *msg)
 615 {
 616         GtkTextBuffer *buf;
 617         GtkTextIter begin, end;
 618         TnyStreamIface* txt_stream, *gtkhtml_stream;
 619         gchar *txt, *html_attachments;
 620         ModestMsgViewPrivate *priv;
 621
 622         g_return_val_if_fail (self, FALSE);
 623         g_return_val_if_fail (tny_body, FALSE);
 624
 625         priv           = MODEST_MSG_VIEW_GET_PRIVATE(self);
 626
 627         buf            = gtk_text_buffer_new (NULL);
 628         txt_stream     = TNY_STREAM_IFACE(tny_text_buffer_stream_new (buf));
 629
 630         tny_stream_iface_reset (txt_stream);
 631
 632         gtkhtml_stream =
 633                 TNY_STREAM_IFACE(modest_tny_stream_gtkhtml_new
 634                                  (gtk_html_begin(GTK_HTML(priv->gtkhtml))));
 635
 636         html_attachments = attachments_as_html(self, msg);
 637         if (html_attachments) {
 638                 tny_stream_iface_write (gtkhtml_stream, html_attachments,
 639                                         strlen(html_attachments));
 640                 tny_stream_iface_reset (gtkhtml_stream);
 641                 g_free (html_attachments);
 642         }
 643
 644         // FIXME: tinymail
 645         tny_msg_mime_part_iface_decode_to_stream ((TnyMsgMimePartIface*)tny_body,
 646                                                   txt_stream);
 647         tny_stream_iface_reset (txt_stream);
 648
 649         gtk_text_buffer_get_bounds (buf, &begin, &end);
 650         txt = gtk_text_buffer_get_text (buf, &begin, &end, FALSE);
 651         if (txt) {
 652                 gchar *html = convert_to_html (txt);
 653                 tny_stream_iface_write (gtkhtml_stream, html, strlen(html));
 654                 tny_stream_iface_reset (gtkhtml_stream);
 655                 g_free (txt);
 656                 g_free (html);
 657         }
 658
 659         g_object_unref (G_OBJECT(gtkhtml_stream));
 660         g_object_unref (G_OBJECT(txt_stream));
 661         g_object_unref (G_OBJECT(buf));
 662
 663         return TRUE;
 664 }
 665
 666
 667 static gboolean
 668 set_empty_message (ModestMsgView *self)
 669 {
 670         ModestMsgViewPrivate *priv;
 671
 672         g_return_val_if_fail (self, FALSE);
 673         priv           = MODEST_MSG_VIEW_GET_PRIVATE(self);
 674
 675         gtk_html_load_from_string (GTK_HTML(priv->gtkhtml),
 676                                    "", 1);
 677
 678         return TRUE;
 679 }
 680
 681
 682 gchar *
 683 modest_msg_view_get_selected_text (ModestMsgView *self)
 684 {
 685         ModestMsgViewPrivate *priv;
 686         gchar *sel;
 687         GtkWidget *html;
 688         int len;
 689         GtkClipboard *clip;
 690
 691         g_return_val_if_fail (self, NULL);
 692         priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
 693         html = priv->gtkhtml;
 694
 695         /* I'm sure there is a better way to check for selected text */
 696         sel = gtk_html_get_selection_html(GTK_HTML(html), &len);
 697         if (!sel)
 698                 return NULL;
 699
 700         g_free(sel);
 701
 702         clip = gtk_widget_get_clipboard(html, GDK_SELECTION_PRIMARY);
 703         return gtk_clipboard_wait_for_text(clip);
 704 }
 705
 706
 707 void
 708 modest_msg_view_set_message (ModestMsgView *self, const TnyMsgIface *msg)
 709 {
 710         TnyMsgMimePartIface *body;
 711         ModestMsgViewPrivate *priv;
 712
 713         g_return_if_fail (self);
 714
 715         priv = MODEST_MSG_VIEW_GET_PRIVATE(self);
 716
 717         priv->msg = msg;
 718
 719         if (!msg) {
 720                 set_empty_message (self);
 721                 return;
 722         }
 723
 724         body = modest_tny_msg_actions_find_body_part (msg, TRUE);
 725         if (body) {
 726                 if (tny_msg_mime_part_iface_content_type_is (body, "text/html"))
 727                         set_html_message (self, body, msg);
 728                 else
 729                         set_text_message (self, body, msg);
 730                 return;
 731         } else
 732                 set_empty_message (self);
 733 }