libempathy-gtk/empathy-ui-utils.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2002-2007 Imendio AB
   4  * Copyright (C) 2007-2008 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  19  * Boston, MA  02110-1301  USA
  20  *
  21  * Authors: Mikael Hallendal <micke@imendio.com>
  22  *          Richard Hult <richard@imendio.com>
  23  *          Martyn Russell <martyn@imendio.com>
  24  *          Xavier Claessens <xclaesse@gmail.com>
  25  *          Jonny Lamb <jonny.lamb@collabora.co.uk>
  26  *
  27  *          Part of this file is copied from GtkSourceView (gtksourceiter.c):
  28  *          Paolo Maggi
  29  *          Jeroen Zwartepoorte
  30  */
  31
  32 #include <config.h>
  33
  34 #include <string.h>
  35 #include <X11/Xatom.h>
  36 #include <gdk/gdkx.h>
  37 #include <glib/gi18n-lib.h>
  38 #include <gtk/gtk.h>
  39 #include <gio/gio.h>
  40
  41 #include <libmissioncontrol/mc-profile.h>
  42
  43 #include "empathy-ui-utils.h"
  44 #include "empathy-images.h"
  45 #include "empathy-conf.h"
  46
  47 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  48 #include <libempathy/empathy-debug.h>
  49 #include <libempathy/empathy-utils.h>
  50 #include <libempathy/empathy-dispatcher.h>
  51 #include <libempathy/empathy-idle.h>
  52 #include <libempathy/empathy-ft-factory.h>
  53
  54 #define SCHEMES "(https?|s?ftps?|nntp|news|javascript|about|ghelp|apt|telnet|"\
  55                 "file|webcal|mailto)"
  56 #define BODY "([^\\ \\n]+)"
  57 #define END_BODY "([^\\ \\n]*[^,;\?><()\\ \"\\.\\n])"
  58 #define URI_REGEX "("SCHEMES"://"END_BODY")" \
  59                   "|((mailto:)?"BODY"@"BODY"\\."END_BODY")"\
  60                   "|((www|ftp)\\."END_BODY")"
  61
  62 void
  63 empathy_gtk_init (void)
  64 {
  65         static gboolean initialized = FALSE;
  66
  67         if (initialized)
  68                 return;
  69
  70         empathy_init ();
  71         gtk_icon_theme_append_search_path (gtk_icon_theme_get_default (),
  72                                            PKGDATADIR G_DIR_SEPARATOR_S "icons");
  73
  74         initialized = TRUE;
  75 }
  76
  77 GRegex *
  78 empathy_uri_regex_dup_singleton (void)
  79 {
  80         static GRegex *uri_regex = NULL;
  81
  82         /* We intentionally leak the regex so it's not recomputed */
  83         if (!uri_regex) {
  84                 uri_regex = g_regex_new (URI_REGEX, 0, 0, NULL);
  85         }
  86
  87         return g_regex_ref (uri_regex);
  88 }
  89
  90 static GtkBuilder *
  91 builder_get_file_valist (const gchar *filename,
  92                          const gchar *first_object,
  93                          va_list      args)
  94 {
  95         GtkBuilder  *gui;
  96         const gchar *name;
  97         GObject    **object_ptr;
  98         GError      *error = NULL;
  99
 100         DEBUG ("Loading file %s", filename);
 101
 102         gui = gtk_builder_new ();
 103         if (!gtk_builder_add_from_file (gui, filename, &error)) {
 104                 g_critical ("GtkBuilder Error: %s", error->message);
 105                 g_clear_error (&error);
 106                 g_object_unref (gui);
 107                 return NULL;
 108         }
 109
 110         for (name = first_object; name; name = va_arg (args, const gchar *)) {
 111                 object_ptr = va_arg (args, GObject**);
 112
 113                 *object_ptr = gtk_builder_get_object (gui, name);
 114
 115                 if (!*object_ptr) {
 116                         g_warning ("File is missing object '%s'.", name);
 117                         continue;
 118                 }
 119         }
 120
 121         return gui;
 122 }
 123
 124 GtkBuilder *
 125 empathy_builder_get_file (const gchar *filename,
 126                           const gchar *first_object,
 127                           ...)
 128 {
 129         GtkBuilder *gui;
 130         va_list     args;
 131
 132         va_start (args, first_object);
 133         gui = builder_get_file_valist (filename, first_object, args);
 134         va_end (args);
 135
 136         return gui;
 137 }
 138
 139 void
 140 empathy_builder_connect (GtkBuilder *gui,
 141                          gpointer    user_data,
 142                          gchar      *first_object,
 143                          ...)
 144 {
 145         va_list      args;
 146         const gchar *name;
 147         const gchar *signal;
 148         GObject     *object;
 149         GCallback    callback;
 150
 151         va_start (args, first_object);
 152         for (name = first_object; name; name = va_arg (args, const gchar *)) {
 153                 signal = va_arg (args, const gchar *);
 154                 callback = va_arg (args, GCallback);
 155
 156                 object = gtk_builder_get_object (gui, name);
 157                 if (!object) {
 158                         g_warning ("File is missing object '%s'.", name);
 159                         continue;
 160                 }
 161
 162                 g_signal_connect (object, signal, callback, user_data);
 163         }
 164
 165         va_end (args);
 166 }
 167
 168 GtkWidget *
 169 empathy_builder_unref_and_keep_widget (GtkBuilder *gui,
 170                                        GtkWidget  *widget)
 171 {
 172         /* On construction gui sinks the initial reference to widget. When gui
 173          * is finalized it will drop its ref to widget. We take our own ref to
 174          * prevent widget being finalised. The widget is forced to have a
 175          * floating reference, like when it was initially unowned so that it can
 176          * be used like any other GtkWidget. */
 177
 178         g_object_ref (widget);
 179         g_object_force_floating (G_OBJECT (widget));
 180         g_object_unref (gui);
 181
 182         return widget;
 183 }
 184
 185 const gchar *
 186 empathy_icon_name_from_account (EmpathyAccount *account)
 187 {
 188         McProfile *profile;
 189
 190         profile = empathy_account_get_profile (account);
 191
 192         return mc_profile_get_icon_name (profile);
 193 }
 194
 195 const gchar *
 196 empathy_icon_name_for_presence (TpConnectionPresenceType presence)
 197 {
 198         switch (presence) {
 199         case TP_CONNECTION_PRESENCE_TYPE_AVAILABLE:
 200                 return EMPATHY_IMAGE_AVAILABLE;
 201         case TP_CONNECTION_PRESENCE_TYPE_BUSY:
 202                 return EMPATHY_IMAGE_BUSY;
 203         case TP_CONNECTION_PRESENCE_TYPE_AWAY:
 204                 return EMPATHY_IMAGE_AWAY;
 205         case TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY:
 206                 return EMPATHY_IMAGE_EXT_AWAY;
 207         case TP_CONNECTION_PRESENCE_TYPE_HIDDEN:
 208                 return EMPATHY_IMAGE_HIDDEN;
 209         case TP_CONNECTION_PRESENCE_TYPE_OFFLINE:
 210         case TP_CONNECTION_PRESENCE_TYPE_ERROR:
 211         case TP_CONNECTION_PRESENCE_TYPE_UNKNOWN:
 212                 return EMPATHY_IMAGE_OFFLINE;
 213         case TP_CONNECTION_PRESENCE_TYPE_UNSET:
 214                 return NULL;
 215         }
 216
 217         return NULL;
 218 }
 219
 220 const gchar *
 221 empathy_icon_name_for_contact (EmpathyContact *contact)
 222 {
 223         TpConnectionPresenceType presence;
 224
 225         g_return_val_if_fail (EMPATHY_IS_CONTACT (contact),
 226                               EMPATHY_IMAGE_OFFLINE);
 227
 228         presence = empathy_contact_get_presence (contact);
 229         return empathy_icon_name_for_presence (presence);
 230 }
 231
 232 GdkPixbuf *
 233 empathy_pixbuf_from_data (gchar *data,
 234                           gsize  data_size)
 235 {
 236         return empathy_pixbuf_from_data_and_mime (data, data_size, NULL);
 237 }
 238
 239 GdkPixbuf *
 240 empathy_pixbuf_from_data_and_mime (gchar  *data,
 241                                    gsize   data_size,
 242                                    gchar **mime_type)
 243 {
 244         GdkPixbufLoader *loader;
 245         GdkPixbufFormat *format;
 246         GdkPixbuf       *pixbuf = NULL;
 247         gchar          **mime_types;
 248         GError          *error = NULL;
 249
 250         if (!data) {
 251                 return NULL;
 252         }
 253
 254         loader = gdk_pixbuf_loader_new ();
 255         if (!gdk_pixbuf_loader_write (loader, data, data_size, &error)) {
 256                 DEBUG ("Failed to write to pixbuf loader: %s",
 257                         error ? error->message : "No error given");
 258                 goto out;
 259         }
 260         if (!gdk_pixbuf_loader_close (loader, &error)) {
 261                 DEBUG ("Failed to close pixbuf loader: %s",
 262                         error ? error->message : "No error given");
 263                 goto out;
 264         }
 265
 266         pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
 267         if (pixbuf) {
 268                 g_object_ref (pixbuf);
 269
 270                 if (mime_type != NULL) {
 271                         format = gdk_pixbuf_loader_get_format (loader);
 272                         mime_types = gdk_pixbuf_format_get_mime_types (format);
 273
 274                         *mime_type = g_strdup (*mime_types);
 275                         if (mime_types[1] != NULL) {
 276                                 DEBUG ("Loader supports more than one mime "
 277                                         "type! Picking the first one, %s",
 278                                         *mime_type);
 279                         }
 280                         g_strfreev (mime_types);
 281                 }
 282         }
 283
 284 out:
 285         g_clear_error (&error);
 286         g_object_unref (loader);
 287
 288         return pixbuf;
 289 }
 290
 291 struct SizeData {
 292         gint     width;
 293         gint     height;
 294         gboolean preserve_aspect_ratio;
 295 };
 296
 297 static void
 298 pixbuf_from_avatar_size_prepared_cb (GdkPixbufLoader *loader,
 299                                      int              width,
 300                                      int              height,
 301                                      struct SizeData *data)
 302 {
 303         g_return_if_fail (width > 0 && height > 0);
 304
 305         if (data->preserve_aspect_ratio && (data->width > 0 || data->height > 0)) {
 306                 if (width < data->width && height < data->height) {
 307                         width = width;
 308                         height = height;
 309                 }
 310
 311                 if (data->width < 0) {
 312                         width = width * (double) data->height / (gdouble) height;
 313                         height = data->height;
 314                 } else if (data->height < 0) {
 315                         height = height * (double) data->width / (double) width;
 316                         width = data->width;
 317                 } else if ((double) height * (double) data->width >
 318                            (double) width * (double) data->height) {
 319                         width = 0.5 + (double) width * (double) data->height / (double) height;
 320                         height = data->height;
 321                 } else {
 322                         height = 0.5 + (double) height * (double) data->width / (double) width;
 323                         width = data->width;
 324                 }
 325         } else {
 326                 if (data->width > 0) {
 327                         width = data->width;
 328                 }
 329
 330                 if (data->height > 0) {
 331                         height = data->height;
 332                 }
 333         }
 334
 335         gdk_pixbuf_loader_set_size (loader, width, height);
 336 }
 337
 338 static void
 339 empathy_avatar_pixbuf_roundify (GdkPixbuf *pixbuf)
 340 {
 341         gint width, height, rowstride;
 342         guchar *pixels;
 343
 344         width = gdk_pixbuf_get_width (pixbuf);
 345         height = gdk_pixbuf_get_height (pixbuf);
 346         rowstride = gdk_pixbuf_get_rowstride (pixbuf);
 347         pixels = gdk_pixbuf_get_pixels (pixbuf);
 348
 349         if (width < 6 || height < 6) {
 350                 return;
 351         }
 352
 353         /* Top left */
 354         pixels[3] = 0;
 355         pixels[7] = 0x80;
 356         pixels[11] = 0xC0;
 357         pixels[rowstride + 3] = 0x80;
 358         pixels[rowstride * 2 + 3] = 0xC0;
 359
 360         /* Top right */
 361         pixels[width * 4 - 1] = 0;
 362         pixels[width * 4 - 5] = 0x80;
 363         pixels[width * 4 - 9] = 0xC0;
 364         pixels[rowstride + (width * 4) - 1] = 0x80;
 365         pixels[(2 * rowstride) + (width * 4) - 1] = 0xC0;
 366
 367         /* Bottom left */
 368         pixels[(height - 1) * rowstride + 3] = 0;
 369         pixels[(height - 1) * rowstride + 7] = 0x80;
 370         pixels[(height - 1) * rowstride + 11] = 0xC0;
 371         pixels[(height - 2) * rowstride + 3] = 0x80;
 372         pixels[(height - 3) * rowstride + 3] = 0xC0;
 373
 374         /* Bottom right */
 375         pixels[height * rowstride - 1] = 0;
 376         pixels[(height - 1) * rowstride - 1] = 0x80;
 377         pixels[(height - 2) * rowstride - 1] = 0xC0;
 378         pixels[height * rowstride - 5] = 0x80;
 379         pixels[height * rowstride - 9] = 0xC0;
 380 }
 381
 382 static gboolean
 383 empathy_gdk_pixbuf_is_opaque (GdkPixbuf *pixbuf)
 384 {
 385         gint width, height, rowstride, i;
 386         guchar *pixels;
 387         guchar *row;
 388
 389         width = gdk_pixbuf_get_width (pixbuf);
 390         height = gdk_pixbuf_get_height (pixbuf);
 391         rowstride = gdk_pixbuf_get_rowstride (pixbuf);
 392         pixels = gdk_pixbuf_get_pixels (pixbuf);
 393
 394         row = pixels;
 395         for (i = 3; i < rowstride; i+=4) {
 396                 if (row[i] < 0xfe) {
 397                         return FALSE;
 398                 }
 399         }
 400
 401         for (i = 1; i < height - 1; i++) {
 402                 row = pixels + (i*rowstride);
 403                 if (row[3] < 0xfe || row[rowstride-1] < 0xfe) {
 404                         return FALSE;
 405                 }
 406         }
 407
 408         row = pixels + ((height-1) * rowstride);
 409         for (i = 3; i < rowstride; i+=4) {
 410                 if (row[i] < 0xfe) {
 411                         return FALSE;
 412                 }
 413         }
 414
 415         return TRUE;
 416 }
 417
 418 GdkPixbuf *
 419 empathy_pixbuf_from_avatar_scaled (EmpathyAvatar *avatar,
 420                                   gint          width,
 421                                   gint          height)
 422 {
 423         GdkPixbuf        *pixbuf;
 424         GdkPixbufLoader  *loader;
 425         struct SizeData   data;
 426         GError           *error = NULL;
 427
 428         if (!avatar) {
 429                 return NULL;
 430         }
 431
 432         data.width = width;
 433         data.height = height;
 434         data.preserve_aspect_ratio = TRUE;
 435
 436         loader = gdk_pixbuf_loader_new ();
 437
 438         g_signal_connect (loader, "size-prepared",
 439                           G_CALLBACK (pixbuf_from_avatar_size_prepared_cb),
 440                           &data);
 441
 442         if (!gdk_pixbuf_loader_write (loader, avatar->data, avatar->len, &error)) {
 443                 g_warning ("Couldn't write avatar image:%p with "
 444                            "length:%" G_GSIZE_FORMAT " to pixbuf loader: %s",
 445                            avatar->data, avatar->len, error->message);
 446                 g_error_free (error);
 447                 return NULL;
 448         }
 449
 450         gdk_pixbuf_loader_close (loader, NULL);
 451
 452         pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
 453         if (!gdk_pixbuf_get_has_alpha (pixbuf)) {
 454                 GdkPixbuf *rounded_pixbuf;
 455
 456                 rounded_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
 457                                                  gdk_pixbuf_get_width (pixbuf),
 458                                                  gdk_pixbuf_get_height (pixbuf));
 459                 gdk_pixbuf_copy_area (pixbuf, 0, 0,
 460                                       gdk_pixbuf_get_width (pixbuf),
 461                                       gdk_pixbuf_get_height (pixbuf),
 462                                       rounded_pixbuf,
 463                                       0, 0);
 464                 pixbuf = rounded_pixbuf;
 465         } else {
 466                 g_object_ref (pixbuf);
 467         }
 468
 469         if (empathy_gdk_pixbuf_is_opaque (pixbuf)) {
 470                 empathy_avatar_pixbuf_roundify (pixbuf);
 471         }
 472
 473         g_object_unref (loader);
 474
 475         return pixbuf;
 476 }
 477
 478 GdkPixbuf *
 479 empathy_pixbuf_avatar_from_contact_scaled (EmpathyContact *contact,
 480                                           gint           width,
 481                                           gint           height)
 482 {
 483         EmpathyAvatar *avatar;
 484
 485         g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 486
 487         avatar = empathy_contact_get_avatar (contact);
 488
 489         return empathy_pixbuf_from_avatar_scaled (avatar, width, height);
 490 }
 491
 492 GdkPixbuf *
 493 empathy_pixbuf_scale_down_if_necessary (GdkPixbuf *pixbuf, gint max_size)
 494 {
 495         gint      width, height;
 496         gdouble   factor;
 497
 498         width = gdk_pixbuf_get_width (pixbuf);
 499         height = gdk_pixbuf_get_height (pixbuf);
 500
 501         if (width > 0 && (width > max_size || height > max_size)) {
 502                 factor = (gdouble) max_size / MAX (width, height);
 503
 504                 width = width * factor;
 505                 height = height * factor;
 506
 507                 return gdk_pixbuf_scale_simple (pixbuf,
 508                                                 width, height,
 509                                                 GDK_INTERP_HYPER);
 510         }
 511
 512         return g_object_ref (pixbuf);
 513 }
 514
 515 GdkPixbuf *
 516 empathy_pixbuf_from_icon_name_sized (const gchar *icon_name,
 517                                      gint size)
 518 {
 519         GtkIconTheme *theme;
 520         GdkPixbuf *pixbuf;
 521         GError *error = NULL;
 522
 523         if (!icon_name) {
 524                 return NULL;
 525         }
 526
 527         theme = gtk_icon_theme_get_default ();
 528
 529         pixbuf = gtk_icon_theme_load_icon (theme,
 530                                            icon_name,
 531                                            size,
 532                                            0,
 533                                            &error);
 534         if (error) {
 535                 DEBUG ("Error loading icon: %s", error->message);
 536                 g_clear_error (&error);
 537         }
 538
 539         return pixbuf;
 540 }
 541
 542 GdkPixbuf *
 543 empathy_pixbuf_from_icon_name (const gchar *icon_name,
 544                                GtkIconSize  icon_size)
 545 {
 546         gint  w, h;
 547         gint  size = 48;
 548
 549         if (!icon_name) {
 550                 return NULL;
 551         }
 552
 553         if (gtk_icon_size_lookup (icon_size, &w, &h)) {
 554                 size = (w + h) / 2;
 555         }
 556
 557         return empathy_pixbuf_from_icon_name_sized (icon_name, size);
 558 }
 559
 560 gchar *
 561 empathy_filename_from_icon_name (const gchar *icon_name,
 562                                  GtkIconSize  icon_size)
 563 {
 564         GtkIconTheme *icon_theme;
 565         GtkIconInfo  *icon_info;
 566         gint          w, h;
 567         gint          size = 48;
 568         gchar        *ret;
 569
 570         icon_theme = gtk_icon_theme_get_default ();
 571
 572         if (gtk_icon_size_lookup (icon_size, &w, &h)) {
 573                 size = (w + h) / 2;
 574         }
 575
 576         icon_info = gtk_icon_theme_lookup_icon (icon_theme, icon_name, size, 0);
 577         ret = g_strdup (gtk_icon_info_get_filename (icon_info));
 578         gtk_icon_info_free (icon_info);
 579
 580         return ret;
 581 }
 582
 583 /* Stolen from GtkSourceView, hence the weird intendation. Please keep it like
 584  * that to make it easier to apply changes from the original code.
 585  */
 586 #define GTK_TEXT_UNKNOWN_CHAR 0xFFFC
 587
 588 /* this function acts like g_utf8_offset_to_pointer() except that if it finds a
 589  * decomposable character it consumes the decomposition length from the given
 590  * offset.  So it's useful when the offset was calculated for the normalized
 591  * version of str, but we need a pointer to str itself. */
 592 static const gchar *
 593 pointer_from_offset_skipping_decomp (const gchar *str, gint offset)
 594 {
 595         gchar *casefold, *normal;
 596         const gchar *p, *q;
 597
 598         p = str;
 599         while (offset > 0)
 600         {
 601                 q = g_utf8_next_char (p);
 602                 casefold = g_utf8_casefold (p, q - p);
 603                 normal = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 604                 offset -= g_utf8_strlen (normal, -1);
 605                 g_free (casefold);
 606                 g_free (normal);
 607                 p = q;
 608         }
 609         return p;
 610 }
 611
 612 static const gchar *
 613 g_utf8_strcasestr (const gchar *haystack, const gchar *needle)
 614 {
 615         gsize needle_len;
 616         gsize haystack_len;
 617         const gchar *ret = NULL;
 618         gchar *p;
 619         gchar *casefold;
 620         gchar *caseless_haystack;
 621         gint i;
 622
 623         g_return_val_if_fail (haystack != NULL, NULL);
 624         g_return_val_if_fail (needle != NULL, NULL);
 625
 626         casefold = g_utf8_casefold (haystack, -1);
 627         caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 628         g_free (casefold);
 629
 630         needle_len = g_utf8_strlen (needle, -1);
 631         haystack_len = g_utf8_strlen (caseless_haystack, -1);
 632
 633         if (needle_len == 0)
 634         {
 635                 ret = (gchar *) haystack;
 636                 goto finally_1;
 637         }
 638
 639         if (haystack_len < needle_len)
 640         {
 641                 ret = NULL;
 642                 goto finally_1;
 643         }
 644
 645         p = (gchar *) caseless_haystack;
 646         needle_len = strlen (needle);
 647         i = 0;
 648
 649         while (*p)
 650         {
 651                 if ((strncmp (p, needle, needle_len) == 0))
 652                 {
 653                         ret = pointer_from_offset_skipping_decomp (haystack, i);
 654                         goto finally_1;
 655                 }
 656
 657                 p = g_utf8_next_char (p);
 658                 i++;
 659         }
 660
 661 finally_1:
 662         g_free (caseless_haystack);
 663
 664         return ret;
 665 }
 666
 667 static gboolean
 668 g_utf8_caselessnmatch (const char *s1, const char *s2,
 669                        gssize n1, gssize n2)
 670 {
 671         gchar *casefold;
 672         gchar *normalized_s1;
 673         gchar *normalized_s2;
 674         gint len_s1;
 675         gint len_s2;
 676         gboolean ret = FALSE;
 677
 678         g_return_val_if_fail (s1 != NULL, FALSE);
 679         g_return_val_if_fail (s2 != NULL, FALSE);
 680         g_return_val_if_fail (n1 > 0, FALSE);
 681         g_return_val_if_fail (n2 > 0, FALSE);
 682
 683         casefold = g_utf8_casefold (s1, n1);
 684         normalized_s1 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 685         g_free (casefold);
 686
 687         casefold = g_utf8_casefold (s2, n2);
 688         normalized_s2 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 689         g_free (casefold);
 690
 691         len_s1 = strlen (normalized_s1);
 692         len_s2 = strlen (normalized_s2);
 693
 694         if (len_s1 < len_s2)
 695                 goto finally_2;
 696
 697         ret = (strncmp (normalized_s1, normalized_s2, len_s2) == 0);
 698
 699 finally_2:
 700         g_free (normalized_s1);
 701         g_free (normalized_s2);
 702
 703         return ret;
 704 }
 705
 706 static void
 707 forward_chars_with_skipping (GtkTextIter *iter,
 708                              gint         count,
 709                              gboolean     skip_invisible,
 710                              gboolean     skip_nontext,
 711                              gboolean     skip_decomp)
 712 {
 713         gint i;
 714
 715         g_return_if_fail (count >= 0);
 716
 717         i = count;
 718
 719         while (i > 0)
 720         {
 721                 gboolean ignored = FALSE;
 722
 723                 /* minimal workaround to avoid the infinite loop of bug #168247.
 724                  * It doesn't fix the problemjust the symptom...
 725                  */
 726                 if (gtk_text_iter_is_end (iter))
 727                         return;
 728
 729                 if (skip_nontext && gtk_text_iter_get_char (iter) == GTK_TEXT_UNKNOWN_CHAR)
 730                         ignored = TRUE;
 731
 732                 if (!ignored && skip_invisible &&
 733                     /* _gtk_text_btree_char_is_invisible (iter)*/ FALSE)
 734                         ignored = TRUE;
 735
 736                 if (!ignored && skip_decomp)
 737                 {
 738                         /* being UTF8 correct sucks; this accounts for extra
 739                            offsets coming from canonical decompositions of
 740                            UTF8 characters (e.g. accented characters) which
 741                            g_utf8_normalize () performs */
 742                         gchar *normal;
 743                         gchar buffer[6];
 744                         gint buffer_len;
 745
 746                         buffer_len = g_unichar_to_utf8 (gtk_text_iter_get_char (iter), buffer);
 747                         normal = g_utf8_normalize (buffer, buffer_len, G_NORMALIZE_NFD);
 748                         i -= (g_utf8_strlen (normal, -1) - 1);
 749                         g_free (normal);
 750                 }
 751
 752                 gtk_text_iter_forward_char (iter);
 753
 754                 if (!ignored)
 755                         --i;
 756         }
 757 }
 758
 759 static gboolean
 760 lines_match (const GtkTextIter *start,
 761              const gchar      **lines,
 762              gboolean           visible_only,
 763              gboolean           slice,
 764              GtkTextIter       *match_start,
 765              GtkTextIter       *match_end)
 766 {
 767         GtkTextIter next;
 768         gchar *line_text;
 769         const gchar *found;
 770         gint offset;
 771
 772         if (*lines == NULL || **lines == '\0')
 773         {
 774                 if (match_start)
 775                         *match_start = *start;
 776                 if (match_end)
 777                         *match_end = *start;
 778                 return TRUE;
 779         }
 780
 781         next = *start;
 782         gtk_text_iter_forward_line (&next);
 783
 784         /* No more text in buffer, but *lines is nonempty */
 785         if (gtk_text_iter_equal (start, &next))
 786                 return FALSE;
 787
 788         if (slice)
 789         {
 790                 if (visible_only)
 791                         line_text = gtk_text_iter_get_visible_slice (start, &next);
 792                 else
 793                         line_text = gtk_text_iter_get_slice (start, &next);
 794         }
 795         else
 796         {
 797                 if (visible_only)
 798                         line_text = gtk_text_iter_get_visible_text (start, &next);
 799                 else
 800                         line_text = gtk_text_iter_get_text (start, &next);
 801         }
 802
 803         if (match_start) /* if this is the first line we're matching */
 804         {
 805                 found = g_utf8_strcasestr (line_text, *lines);
 806         }
 807         else
 808         {
 809                 /* If it's not the first line, we have to match from the
 810                  * start of the line.
 811                  */
 812                 if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
 813                                            strlen (*lines)))
 814                         found = line_text;
 815                 else
 816                         found = NULL;
 817         }
 818
 819         if (found == NULL)
 820         {
 821                 g_free (line_text);
 822                 return FALSE;
 823         }
 824
 825         /* Get offset to start of search string */
 826         offset = g_utf8_strlen (line_text, found - line_text);
 827
 828         next = *start;
 829
 830         /* If match start needs to be returned, set it to the
 831          * start of the search string.
 832          */
 833         forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
 834         if (match_start)
 835         {
 836                 *match_start = next;
 837         }
 838
 839         /* Go to end of search string */
 840         forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
 841
 842         g_free (line_text);
 843
 844         ++lines;
 845
 846         if (match_end)
 847                 *match_end = next;
 848
 849         /* pass NULL for match_start, since we don't need to find the
 850          * start again.
 851          */
 852         return lines_match (&next, lines, visible_only, slice, NULL, match_end);
 853 }
 854
 855 /* strsplit () that retains the delimiter as part of the string. */
 856 static gchar **
 857 strbreakup (const char *string,
 858             const char *delimiter,
 859             gint        max_tokens)
 860 {
 861         GSList *string_list = NULL, *slist;
 862         gchar **str_array, *s, *casefold, *new_string;
 863         guint i, n = 1;
 864
 865         g_return_val_if_fail (string != NULL, NULL);
 866         g_return_val_if_fail (delimiter != NULL, NULL);
 867
 868         if (max_tokens < 1)
 869                 max_tokens = G_MAXINT;
 870
 871         s = strstr (string, delimiter);
 872         if (s)
 873         {
 874                 guint delimiter_len = strlen (delimiter);
 875
 876                 do
 877                 {
 878                         guint len;
 879
 880                         len = s - string + delimiter_len;
 881                         new_string = g_new (gchar, len + 1);
 882                         strncpy (new_string, string, len);
 883                         new_string[len] = 0;
 884                         casefold = g_utf8_casefold (new_string, -1);
 885                         g_free (new_string);
 886                         new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 887                         g_free (casefold);
 888                         string_list = g_slist_prepend (string_list, new_string);
 889                         n++;
 890                         string = s + delimiter_len;
 891                         s = strstr (string, delimiter);
 892                 } while (--max_tokens && s);
 893         }
 894
 895         if (*string)
 896         {
 897                 n++;
 898                 casefold = g_utf8_casefold (string, -1);
 899                 new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 900                 g_free (casefold);
 901                 string_list = g_slist_prepend (string_list, new_string);
 902         }
 903
 904         str_array = g_new (gchar*, n);
 905
 906         i = n - 1;
 907
 908         str_array[i--] = NULL;
 909         for (slist = string_list; slist; slist = slist->next)
 910                 str_array[i--] = slist->data;
 911
 912         g_slist_free (string_list);
 913
 914         return str_array;
 915 }
 916
 917 gboolean
 918 empathy_text_iter_forward_search (const GtkTextIter   *iter,
 919                                  const gchar         *str,
 920                                  GtkTextIter         *match_start,
 921                                  GtkTextIter         *match_end,
 922                                  const GtkTextIter   *limit)
 923 {
 924         gchar **lines = NULL;
 925         GtkTextIter match;
 926         gboolean retval = FALSE;
 927         GtkTextIter search;
 928         gboolean visible_only;
 929         gboolean slice;
 930
 931         g_return_val_if_fail (iter != NULL, FALSE);
 932         g_return_val_if_fail (str != NULL, FALSE);
 933
 934         if (limit && gtk_text_iter_compare (iter, limit) >= 0)
 935                 return FALSE;
 936
 937         if (*str == '\0') {
 938                 /* If we can move one char, return the empty string there */
 939                 match = *iter;
 940
 941                 if (gtk_text_iter_forward_char (&match)) {
 942                         if (limit && gtk_text_iter_equal (&match, limit)) {
 943                                 return FALSE;
 944                         }
 945
 946                         if (match_start) {
 947                                 *match_start = match;
 948                         }
 949                         if (match_end) {
 950                                 *match_end = match;
 951                         }
 952                         return TRUE;
 953                 } else {
 954                         return FALSE;
 955                 }
 956         }
 957
 958         visible_only = TRUE;
 959         slice = FALSE;
 960
 961         /* locate all lines */
 962         lines = strbreakup (str, "\n", -1);
 963
 964         search = *iter;
 965
 966         do {
 967                 /* This loop has an inefficient worst-case, where
 968                  * gtk_text_iter_get_text () is called repeatedly on
 969                  * a single line.
 970                  */
 971                 GtkTextIter end;
 972
 973                 if (limit && gtk_text_iter_compare (&search, limit) >= 0) {
 974                         break;
 975                 }
 976
 977                 if (lines_match (&search, (const gchar**)lines,
 978                                  visible_only, slice, &match, &end)) {
 979                         if (limit == NULL ||
 980                             (limit && gtk_text_iter_compare (&end, limit) <= 0)) {
 981                                 retval = TRUE;
 982
 983                                 if (match_start) {
 984                                         *match_start = match;
 985                                 }
 986                                 if (match_end) {
 987                                         *match_end = end;
 988                                 }
 989                         }
 990                         break;
 991                 }
 992         } while (gtk_text_iter_forward_line (&search));
 993
 994         g_strfreev ((gchar **) lines);
 995
 996         return retval;
 997 }
 998
 999 static const gchar *
1000 g_utf8_strrcasestr (const gchar *haystack, const gchar *needle)
1001 {
1002         gsize needle_len;
1003         gsize haystack_len;
1004         const gchar *ret = NULL;
1005         gchar *p;
1006         gchar *casefold;
1007         gchar *caseless_haystack;
1008         gint i;
1009
1010         g_return_val_if_fail (haystack != NULL, NULL);
1011         g_return_val_if_fail (needle != NULL, NULL);
1012
1013         casefold = g_utf8_casefold (haystack, -1);
1014         caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
1015         g_free (casefold);
1016
1017         needle_len = g_utf8_strlen (needle, -1);
1018         haystack_len = g_utf8_strlen (caseless_haystack, -1);
1019
1020         if (needle_len == 0)
1021         {
1022                 ret = (gchar *) haystack;
1023                 goto finally_1;
1024         }
1025
1026         if (haystack_len < needle_len)
1027         {
1028                 ret = NULL;
1029                 goto finally_1;
1030         }
1031
1032         i = haystack_len - needle_len;
1033         p = g_utf8_offset_to_pointer (caseless_haystack, i);
1034         needle_len = strlen (needle);
1035
1036         while (p >= caseless_haystack)
1037         {
1038                 if (strncmp (p, needle, needle_len) == 0)
1039                 {
1040                         ret = pointer_from_offset_skipping_decomp (haystack, i);
1041                         goto finally_1;
1042                 }
1043
1044                 p = g_utf8_prev_char (p);
1045                 i--;
1046         }
1047
1048 finally_1:
1049         g_free (caseless_haystack);
1050
1051         return ret;
1052 }
1053
1054 static gboolean
1055 backward_lines_match (const GtkTextIter *start,
1056                       const gchar      **lines,
1057                       gboolean           visible_only,
1058                       gboolean           slice,
1059                       GtkTextIter       *match_start,
1060                       GtkTextIter       *match_end)
1061 {
1062         GtkTextIter line, next;
1063         gchar *line_text;
1064         const gchar *found;
1065         gint offset;
1066
1067         if (*lines == NULL || **lines == '\0')
1068         {
1069                 if (match_start)
1070                         *match_start = *start;
1071                 if (match_end)
1072                         *match_end = *start;
1073                 return TRUE;
1074         }
1075
1076         line = next = *start;
1077         if (gtk_text_iter_get_line_offset (&next) == 0)
1078         {
1079                 if (!gtk_text_iter_backward_line (&next))
1080                         return FALSE;
1081         }
1082         else
1083                 gtk_text_iter_set_line_offset (&next, 0);
1084
1085         if (slice)
1086         {
1087                 if (visible_only)
1088                         line_text = gtk_text_iter_get_visible_slice (&next, &line);
1089                 else
1090                         line_text = gtk_text_iter_get_slice (&next, &line);
1091         }
1092         else
1093         {
1094                 if (visible_only)
1095                         line_text = gtk_text_iter_get_visible_text (&next, &line);
1096                 else
1097                         line_text = gtk_text_iter_get_text (&next, &line);
1098         }
1099
1100         if (match_start) /* if this is the first line we're matching */
1101         {
1102                 found = g_utf8_strrcasestr (line_text, *lines);
1103         }
1104         else
1105         {
1106                 /* If it's not the first line, we have to match from the
1107                  * start of the line.
1108                  */
1109                 if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
1110                                            strlen (*lines)))
1111                         found = line_text;
1112                 else
1113                         found = NULL;
1114         }
1115
1116         if (found == NULL)
1117         {
1118                 g_free (line_text);
1119                 return FALSE;
1120         }
1121
1122         /* Get offset to start of search string */
1123         offset = g_utf8_strlen (line_text, found - line_text);
1124
1125         forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
1126
1127         /* If match start needs to be returned, set it to the
1128          * start of the search string.
1129          */
1130         if (match_start)
1131         {
1132                 *match_start = next;
1133         }
1134
1135         /* Go to end of search string */
1136         forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
1137
1138         g_free (line_text);
1139
1140         ++lines;
1141
1142         if (match_end)
1143                 *match_end = next;
1144
1145         /* try to match the rest of the lines forward, passing NULL
1146          * for match_start so lines_match will try to match the entire
1147          * line */
1148         return lines_match (&next, lines, visible_only,
1149                             slice, NULL, match_end);
1150 }
1151
1152 gboolean
1153 empathy_text_iter_backward_search (const GtkTextIter   *iter,
1154                                   const gchar         *str,
1155                                   GtkTextIter         *match_start,
1156                                   GtkTextIter         *match_end,
1157                                   const GtkTextIter   *limit)
1158 {
1159         gchar **lines = NULL;
1160         GtkTextIter match;
1161         gboolean retval = FALSE;
1162         GtkTextIter search;
1163         gboolean visible_only;
1164         gboolean slice;
1165
1166         g_return_val_if_fail (iter != NULL, FALSE);
1167         g_return_val_if_fail (str != NULL, FALSE);
1168
1169         if (limit && gtk_text_iter_compare (iter, limit) <= 0)
1170                 return FALSE;
1171
1172         if (*str == '\0')
1173         {
1174                 /* If we can move one char, return the empty string there */
1175                 match = *iter;
1176
1177                 if (gtk_text_iter_backward_char (&match))
1178                 {
1179                         if (limit && gtk_text_iter_equal (&match, limit))
1180                                 return FALSE;
1181
1182                         if (match_start)
1183                                 *match_start = match;
1184                         if (match_end)
1185                                 *match_end = match;
1186                         return TRUE;
1187                 }
1188                 else
1189                 {
1190                         return FALSE;
1191                 }
1192         }
1193
1194         visible_only = TRUE;
1195         slice = TRUE;
1196
1197         /* locate all lines */
1198         lines = strbreakup (str, "\n", -1);
1199
1200         search = *iter;
1201
1202         while (TRUE)
1203         {
1204                 /* This loop has an inefficient worst-case, where
1205                  * gtk_text_iter_get_text () is called repeatedly on
1206                  * a single line.
1207                  */
1208                 GtkTextIter end;
1209
1210                 if (limit && gtk_text_iter_compare (&search, limit) <= 0)
1211                         break;
1212
1213                 if (backward_lines_match (&search, (const gchar**)lines,
1214                                           visible_only, slice, &match, &end))
1215                 {
1216                         if (limit == NULL || (limit &&
1217                                               gtk_text_iter_compare (&end, limit) > 0))
1218                         {
1219                                 retval = TRUE;
1220
1221                                 if (match_start)
1222                                         *match_start = match;
1223                                 if (match_end)
1224                                         *match_end = end;
1225                         }
1226                         break;
1227                 }
1228
1229                 if (gtk_text_iter_get_line_offset (&search) == 0)
1230                 {
1231                         if (!gtk_text_iter_backward_line (&search))
1232                                 break;
1233                 }
1234                 else
1235                 {
1236                         gtk_text_iter_set_line_offset (&search, 0);
1237                 }
1238         }
1239
1240         g_strfreev ((gchar **) lines);
1241
1242         return retval;
1243 }
1244
1245 gboolean
1246 empathy_window_get_is_visible (GtkWindow *window)
1247 {
1248         GdkWindowState  state;
1249         GdkWindow      *gdk_window;
1250
1251         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
1252
1253         gdk_window = gtk_widget_get_window (GTK_WIDGET (window));
1254         if (!gdk_window) {
1255                 return FALSE;
1256         }
1257
1258         state = gdk_window_get_state (gdk_window);
1259         if (state & (GDK_WINDOW_STATE_WITHDRAWN | GDK_WINDOW_STATE_ICONIFIED)) {
1260                 return FALSE;
1261         }
1262
1263         return TRUE;
1264 }
1265
1266 void
1267 empathy_window_iconify (GtkWindow *window, GtkStatusIcon *status_icon)
1268 {
1269         GdkRectangle  icon_location;
1270         gulong        data[4];
1271         Display      *dpy;
1272         GdkWindow    *gdk_window;
1273
1274         gtk_status_icon_get_geometry (status_icon, NULL, &icon_location, NULL);
1275         gdk_window = gtk_widget_get_window (GTK_WIDGET (window));
1276         dpy = gdk_x11_drawable_get_xdisplay (gdk_window);
1277
1278         data[0] = icon_location.x;
1279         data[1] = icon_location.y;
1280         data[2] = icon_location.width;
1281         data[3] = icon_location.height;
1282
1283         XChangeProperty (dpy,
1284                          GDK_WINDOW_XID (gdk_window),
1285                          gdk_x11_get_xatom_by_name_for_display (gdk_drawable_get_display (gdk_window),
1286                          "_NET_WM_ICON_GEOMETRY"),
1287                          XA_CARDINAL, 32, PropModeReplace,
1288                          (guchar *)&data, 4);
1289
1290         gtk_window_set_skip_taskbar_hint (window, TRUE);
1291         gtk_window_iconify (window);
1292 }
1293
1294 /* Takes care of moving the window to the current workspace. */
1295 void
1296 empathy_window_present (GtkWindow *window,
1297                         gboolean   steal_focus)
1298 {
1299         guint32 timestamp;
1300
1301         g_return_if_fail (GTK_IS_WINDOW (window));
1302
1303         /* There are three cases: hidden, visible, visible on another
1304          * workspace.
1305          */
1306
1307         if (!empathy_window_get_is_visible (window)) {
1308                 /* Hide it so present brings it to the current workspace. */
1309                 gtk_widget_hide (GTK_WIDGET (window));
1310         }
1311
1312         timestamp = gtk_get_current_event_time ();
1313         gtk_window_present_with_time (window, timestamp);
1314         gtk_window_set_skip_taskbar_hint (window, FALSE);
1315         /* FIXME: This shouldn't be required as gtk_window_present's doc says
1316          *        it deiconify automatically. */
1317         gtk_window_deiconify (window);
1318 }
1319
1320 GtkWindow *
1321 empathy_get_toplevel_window (GtkWidget *widget)
1322 {
1323         GtkWidget *toplevel;
1324
1325         g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
1326
1327         toplevel = gtk_widget_get_toplevel (widget);
1328         if (GTK_IS_WINDOW (toplevel) &&
1329             GTK_WIDGET_TOPLEVEL (toplevel)) {
1330                 return GTK_WINDOW (toplevel);
1331         }
1332
1333         return NULL;
1334 }
1335
1336 /* The URL opening code can't handle schemeless strings, so we try to be
1337  * smart and add http if there is no scheme or doesn't look like a mail
1338  * address. This should work in most cases, and let us click on strings
1339  * like "www.gnome.org".
1340  */
1341 static gchar *
1342 fixup_url (const gchar *url)
1343 {
1344         if (g_str_has_prefix (url, "ghelp:") ||
1345             g_str_has_prefix (url, "mailto:") ||
1346             strstr (url, ":/")) {
1347                 return NULL;
1348         }
1349
1350         if (strstr (url, "@")) {
1351                 return g_strdup_printf ("mailto:%s", url);
1352         }
1353
1354         return g_strdup_printf ("http://%s", url);
1355 }
1356
1357 void
1358 empathy_url_show (GtkWidget *parent,
1359                   const char *url)
1360 {
1361         gchar  *real_url;
1362         GError *error = NULL;
1363
1364         real_url = fixup_url (url);
1365         if (real_url) {
1366                 url = real_url;
1367         }
1368
1369         gtk_show_uri (gtk_widget_get_screen (parent), url,
1370                       gtk_get_current_event_time (), &error);
1371
1372         if (error) {
1373                 GtkWidget *dialog;
1374
1375                 dialog = gtk_message_dialog_new (NULL, 0,
1376                                                  GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
1377                                                  _("Unable to open URI"));
1378                 gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
1379                                                           "%s", error->message);
1380
1381                 g_signal_connect (dialog, "response",
1382                                   G_CALLBACK (gtk_widget_destroy),
1383                                   NULL);
1384                 gtk_window_present (GTK_WINDOW (dialog));
1385
1386                 g_clear_error (&error);
1387         }
1388
1389         g_free (real_url);
1390 }
1391
1392 static void
1393 link_button_hook (GtkLinkButton *button,
1394                   const gchar *link,
1395                   gpointer user_data)
1396 {
1397         empathy_url_show (GTK_WIDGET (button), link);
1398 }
1399
1400 GtkWidget *
1401 empathy_link_button_new (const gchar *url,
1402                         const gchar *title)
1403 {
1404         static gboolean hook = FALSE;
1405
1406         if (!hook) {
1407                 hook = TRUE;
1408                 gtk_link_button_set_uri_hook (link_button_hook, NULL, NULL);
1409         }
1410
1411         return gtk_link_button_new_with_label (url, title);
1412 }
1413
1414 void
1415 empathy_toggle_button_set_state_quietly (GtkWidget *widget,
1416                                         GCallback  callback,
1417                                         gpointer   user_data,
1418                                         gboolean   active)
1419 {
1420         g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
1421
1422         g_signal_handlers_block_by_func (widget, callback, user_data);
1423         g_object_set (widget, "active", active, NULL);
1424         g_signal_handlers_unblock_by_func (widget, callback, user_data);
1425 }
1426
1427 static void
1428 file_manager_send_file_response_cb (GtkDialog      *widget,
1429                                     gint            response_id,
1430                                     EmpathyContact *contact)
1431 {
1432         EmpathyFTFactory *factory;
1433         GFile *file;
1434         gchar *uri;
1435         GtkRecentManager *manager;
1436
1437         if (response_id == GTK_RESPONSE_OK) {
1438                 file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (widget));
1439                 uri = g_file_get_uri (file);
1440
1441                 factory = empathy_ft_factory_dup_singleton ();
1442
1443                 empathy_ft_factory_new_transfer_outgoing (factory, contact,
1444                                                           file);
1445
1446                 manager = gtk_recent_manager_get_default ();
1447                 gtk_recent_manager_add_item (manager, uri);
1448
1449                 g_free (uri);
1450                 g_object_unref (factory);
1451                 g_object_unref (file);
1452         }
1453
1454         gtk_widget_destroy (GTK_WIDGET (widget));
1455 }
1456
1457 void
1458 empathy_send_file_with_file_chooser (EmpathyContact *contact)
1459 {
1460         GtkWidget               *widget;
1461         GtkWidget               *button;
1462
1463         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
1464
1465         DEBUG ("Creating selection file chooser");
1466
1467         widget = gtk_file_chooser_dialog_new (_("Select a file"),
1468                                               NULL,
1469                                               GTK_FILE_CHOOSER_ACTION_OPEN,
1470                                               GTK_STOCK_CANCEL,
1471                                               GTK_RESPONSE_CANCEL,
1472                                               NULL);
1473
1474         /* send button */
1475         button = gtk_button_new_with_mnemonic (_("_Send"));
1476         gtk_button_set_image (GTK_BUTTON (button),
1477                 gtk_image_new_from_icon_name (EMPATHY_IMAGE_DOCUMENT_SEND,
1478                                               GTK_ICON_SIZE_BUTTON));
1479         gtk_widget_show (button);
1480         gtk_dialog_add_action_widget (GTK_DIALOG (widget), button,
1481                                       GTK_RESPONSE_OK);
1482         GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
1483         gtk_dialog_set_default_response (GTK_DIALOG (widget),
1484                                          GTK_RESPONSE_OK);
1485
1486         g_signal_connect (widget, "response",
1487                           G_CALLBACK (file_manager_send_file_response_cb),
1488                           contact);
1489
1490         gtk_widget_show (widget);
1491 }
1492
1493 static void
1494 file_manager_receive_file_response_cb (GtkDialog *dialog,
1495                                        GtkResponseType response,
1496                                        EmpathyFTHandler *handler)
1497 {
1498         EmpathyFTFactory *factory;
1499         GFile *file;
1500
1501         if (response == GTK_RESPONSE_OK) {
1502                 factory = empathy_ft_factory_dup_singleton ();
1503                 file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
1504
1505                 empathy_ft_factory_set_destination_for_incoming_handler
1506                         (factory, handler, file);
1507
1508                 g_object_unref (factory);
1509                 g_object_unref (file);
1510         } else {
1511                 /* unref the handler, as we dismissed the file chooser,
1512                  * and refused the transfer.
1513                  */
1514                 g_object_unref (handler);
1515         }
1516
1517         gtk_widget_destroy (GTK_WIDGET (dialog));
1518 }
1519
1520 void
1521 empathy_receive_file_with_file_chooser (EmpathyFTHandler *handler)
1522 {
1523         GtkWidget *widget;
1524
1525         widget = gtk_file_chooser_dialog_new (_("Select a destination"),
1526                                               NULL,
1527                                               GTK_FILE_CHOOSER_ACTION_SAVE,
1528                                               GTK_STOCK_CANCEL,
1529                                               GTK_RESPONSE_CANCEL,
1530                                               GTK_STOCK_SAVE,
1531                                               GTK_RESPONSE_OK,
1532                                               NULL);
1533         gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (widget),
1534                 empathy_ft_handler_get_filename (handler));
1535         gtk_file_chooser_set_do_overwrite_confirmation
1536                 (GTK_FILE_CHOOSER (widget), TRUE);
1537
1538         g_signal_connect (widget, "response",
1539                 G_CALLBACK (file_manager_receive_file_response_cb), handler);
1540
1541         gtk_widget_show (widget);
1542 }