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