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 #include <canberra-gtk.h>
  41
  42 #include <libmissioncontrol/mc-profile.h>
  43
  44 #include "empathy-ui-utils.h"
  45 #include "empathy-images.h"
  46 #include "empathy-conf.h"
  47
  48 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  49 #include <libempathy/empathy-debug.h>
  50 #include <libempathy/empathy-utils.h>
  51 #include <libempathy/empathy-dispatcher.h>
  52 #include <libempathy/empathy-idle.h>
  53 #include <libempathy/empathy-ft-factory.h>
  54
  55 #define SCHEMES "(https?|s?ftps?|nntp|news|javascript|about|ghelp|apt|telnet|"\
  56                 "file|webcal|mailto)"
  57 #define BODY "([^\\ \\n]+)"
  58 #define END_BODY "([^\\ \\n]*[^,;\?><()\\ \"\\.\\n])"
  59 #define URI_REGEX "("SCHEMES"://"END_BODY")" \
  60                   "|((mailto:)?"BODY"@"BODY"\\."END_BODY")"\
  61                   "|((www|ftp)\\."END_BODY")"
  62
  63 void
  64 empathy_gtk_init (void)
  65 {
  66         static gboolean initialized = FALSE;
  67
  68         if (initialized)
  69                 return;
  70
  71         empathy_init ();
  72         gtk_icon_theme_append_search_path (gtk_icon_theme_get_default (),
  73                                            PKGDATADIR G_DIR_SEPARATOR_S "icons");
  74
  75         initialized = TRUE;
  76 }
  77
  78 GRegex *
  79 empathy_uri_regex_dup_singleton (void)
  80 {
  81         static GRegex *uri_regex = NULL;
  82
  83         /* We intentionally leak the regex so it's not recomputed */
  84         if (!uri_regex) {
  85                 uri_regex = g_regex_new (URI_REGEX, 0, 0, NULL);
  86         }
  87
  88         return g_regex_ref (uri_regex);
  89 }
  90
  91 static GtkBuilder *
  92 builder_get_file_valist (const gchar *filename,
  93                          const gchar *first_object,
  94                          va_list      args)
  95 {
  96         GtkBuilder  *gui;
  97         const gchar *name;
  98         GObject    **object_ptr;
  99         GError      *error = NULL;
 100
 101         DEBUG ("Loading file %s", filename);
 102
 103         gui = gtk_builder_new ();
 104         if (!gtk_builder_add_from_file (gui, filename, &error)) {
 105                 g_critical ("GtkBuilder Error: %s", error->message);
 106                 g_clear_error (&error);
 107                 g_object_unref (gui);
 108                 return NULL;
 109         }
 110
 111         for (name = first_object; name; name = va_arg (args, const gchar *)) {
 112                 object_ptr = va_arg (args, GObject**);
 113
 114                 *object_ptr = gtk_builder_get_object (gui, name);
 115
 116                 if (!*object_ptr) {
 117                         g_warning ("File is missing object '%s'.", name);
 118                         continue;
 119                 }
 120         }
 121
 122         return gui;
 123 }
 124
 125 GtkBuilder *
 126 empathy_builder_get_file (const gchar *filename,
 127                           const gchar *first_object,
 128                           ...)
 129 {
 130         GtkBuilder *gui;
 131         va_list     args;
 132
 133         va_start (args, first_object);
 134         gui = builder_get_file_valist (filename, first_object, args);
 135         va_end (args);
 136
 137         return gui;
 138 }
 139
 140 void
 141 empathy_builder_connect (GtkBuilder *gui,
 142                          gpointer    user_data,
 143                          gchar      *first_object,
 144                          ...)
 145 {
 146         va_list      args;
 147         const gchar *name;
 148         const gchar *signal;
 149         GObject     *object;
 150         GCallback    callback;
 151
 152         va_start (args, first_object);
 153         for (name = first_object; name; name = va_arg (args, const gchar *)) {
 154                 signal = va_arg (args, const gchar *);
 155                 callback = va_arg (args, GCallback);
 156
 157                 object = gtk_builder_get_object (gui, name);
 158                 if (!object) {
 159                         g_warning ("File is missing object '%s'.", name);
 160                         continue;
 161                 }
 162
 163                 g_signal_connect (object, signal, callback, user_data);
 164         }
 165
 166         va_end (args);
 167 }
 168
 169 GtkWidget *
 170 empathy_builder_unref_and_keep_widget (GtkBuilder *gui,
 171                                        GtkWidget  *widget)
 172 {
 173         /* On construction gui sinks the initial reference to widget. When gui
 174          * is finalized it will drop its ref to widget. We take our own ref to
 175          * prevent widget being finalised. The widget is forced to have a
 176          * floating reference, like when it was initially unowned so that it can
 177          * be used like any other GtkWidget. */
 178
 179         g_object_ref (widget);
 180         g_object_force_floating (G_OBJECT (widget));
 181         g_object_unref (gui);
 182
 183         return widget;
 184 }
 185
 186 const gchar *
 187 empathy_icon_name_from_account (McAccount *account)
 188 {
 189         McProfile *profile;
 190
 191         profile = mc_account_get_profile (account);
 192
 193         return mc_profile_get_icon_name (profile);
 194 }
 195
 196 const gchar *
 197 empathy_icon_name_for_presence (TpConnectionPresenceType presence)
 198 {
 199         switch (presence) {
 200         case TP_CONNECTION_PRESENCE_TYPE_AVAILABLE:
 201                 return EMPATHY_IMAGE_AVAILABLE;
 202         case TP_CONNECTION_PRESENCE_TYPE_BUSY:
 203                 return EMPATHY_IMAGE_BUSY;
 204         case TP_CONNECTION_PRESENCE_TYPE_AWAY:
 205                 return EMPATHY_IMAGE_AWAY;
 206         case TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY:
 207                 return EMPATHY_IMAGE_EXT_AWAY;
 208         case TP_CONNECTION_PRESENCE_TYPE_HIDDEN:
 209                 return EMPATHY_IMAGE_HIDDEN;
 210         case TP_CONNECTION_PRESENCE_TYPE_OFFLINE:
 211         case TP_CONNECTION_PRESENCE_TYPE_ERROR:
 212         case TP_CONNECTION_PRESENCE_TYPE_UNKNOWN:
 213                 return EMPATHY_IMAGE_OFFLINE;
 214         case TP_CONNECTION_PRESENCE_TYPE_UNSET:
 215                 return NULL;
 216         }
 217
 218         return NULL;
 219 }
 220
 221 const gchar *
 222 empathy_icon_name_for_contact (EmpathyContact *contact)
 223 {
 224         TpConnectionPresenceType presence;
 225
 226         g_return_val_if_fail (EMPATHY_IS_CONTACT (contact),
 227                               EMPATHY_IMAGE_OFFLINE);
 228
 229         presence = empathy_contact_get_presence (contact);
 230         return empathy_icon_name_for_presence (presence);
 231 }
 232
 233 GdkPixbuf *
 234 empathy_pixbuf_from_data (gchar *data,
 235                           gsize  data_size)
 236 {
 237         return empathy_pixbuf_from_data_and_mime (data, data_size, NULL);
 238 }
 239
 240 GdkPixbuf *
 241 empathy_pixbuf_from_data_and_mime (gchar  *data,
 242                                    gsize   data_size,
 243                                    gchar **mime_type)
 244 {
 245         GdkPixbufLoader *loader;
 246         GdkPixbufFormat *format;
 247         GdkPixbuf       *pixbuf = NULL;
 248         gchar          **mime_types;
 249         GError          *error = NULL;
 250
 251         if (!data) {
 252                 return NULL;
 253         }
 254
 255         loader = gdk_pixbuf_loader_new ();
 256         if (!gdk_pixbuf_loader_write (loader, data, data_size, &error)) {
 257                 DEBUG ("Failed to write to pixbuf loader: %s",
 258                         error ? error->message : "No error given");
 259                 goto out;
 260         }
 261         if (!gdk_pixbuf_loader_close (loader, &error)) {
 262                 DEBUG ("Failed to close pixbuf loader: %s",
 263                         error ? error->message : "No error given");
 264                 goto out;
 265         }
 266
 267         pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
 268         if (pixbuf) {
 269                 g_object_ref (pixbuf);
 270
 271                 if (mime_type != NULL) {
 272                         format = gdk_pixbuf_loader_get_format (loader);
 273                         mime_types = gdk_pixbuf_format_get_mime_types (format);
 274
 275                         *mime_type = g_strdup (*mime_types);
 276                         if (mime_types[1] != NULL) {
 277                                 DEBUG ("Loader supports more than one mime "
 278                                         "type! Picking the first one, %s",
 279                                         *mime_type);
 280                         }
 281                         g_strfreev (mime_types);
 282                 }
 283         }
 284
 285 out:
 286         g_clear_error (&error);
 287         g_object_unref (loader);
 288
 289         return pixbuf;
 290 }
 291
 292 struct SizeData {
 293         gint     width;
 294         gint     height;
 295         gboolean preserve_aspect_ratio;
 296 };
 297
 298 static void
 299 pixbuf_from_avatar_size_prepared_cb (GdkPixbufLoader *loader,
 300                                      int              width,
 301                                      int              height,
 302                                      struct SizeData *data)
 303 {
 304         g_return_if_fail (width > 0 && height > 0);
 305
 306         if (data->preserve_aspect_ratio && (data->width > 0 || data->height > 0)) {
 307                 if (width < data->width && height < data->height) {
 308                         width = width;
 309                         height = height;
 310                 }
 311
 312                 if (data->width < 0) {
 313                         width = width * (double) data->height / (gdouble) height;
 314                         height = data->height;
 315                 } else if (data->height < 0) {
 316                         height = height * (double) data->width / (double) width;
 317                         width = data->width;
 318                 } else if ((double) height * (double) data->width >
 319                            (double) width * (double) data->height) {
 320                         width = 0.5 + (double) width * (double) data->height / (double) height;
 321                         height = data->height;
 322                 } else {
 323                         height = 0.5 + (double) height * (double) data->width / (double) width;
 324                         width = data->width;
 325                 }
 326         } else {
 327                 if (data->width > 0) {
 328                         width = data->width;
 329                 }
 330
 331                 if (data->height > 0) {
 332                         height = data->height;
 333                 }
 334         }
 335
 336         gdk_pixbuf_loader_set_size (loader, width, height);
 337 }
 338
 339 static void
 340 empathy_avatar_pixbuf_roundify (GdkPixbuf *pixbuf)
 341 {
 342         gint width, height, rowstride;
 343         guchar *pixels;
 344
 345         width = gdk_pixbuf_get_width (pixbuf);
 346         height = gdk_pixbuf_get_height (pixbuf);
 347         rowstride = gdk_pixbuf_get_rowstride (pixbuf);
 348         pixels = gdk_pixbuf_get_pixels (pixbuf);
 349
 350         if (width < 6 || height < 6) {
 351                 return;
 352         }
 353
 354         /* Top left */
 355         pixels[3] = 0;
 356         pixels[7] = 0x80;
 357         pixels[11] = 0xC0;
 358         pixels[rowstride + 3] = 0x80;
 359         pixels[rowstride * 2 + 3] = 0xC0;
 360
 361         /* Top right */
 362         pixels[width * 4 - 1] = 0;
 363         pixels[width * 4 - 5] = 0x80;
 364         pixels[width * 4 - 9] = 0xC0;
 365         pixels[rowstride + (width * 4) - 1] = 0x80;
 366         pixels[(2 * rowstride) + (width * 4) - 1] = 0xC0;
 367
 368         /* Bottom left */
 369         pixels[(height - 1) * rowstride + 3] = 0;
 370         pixels[(height - 1) * rowstride + 7] = 0x80;
 371         pixels[(height - 1) * rowstride + 11] = 0xC0;
 372         pixels[(height - 2) * rowstride + 3] = 0x80;
 373         pixels[(height - 3) * rowstride + 3] = 0xC0;
 374
 375         /* Bottom right */
 376         pixels[height * rowstride - 1] = 0;
 377         pixels[(height - 1) * rowstride - 1] = 0x80;
 378         pixels[(height - 2) * rowstride - 1] = 0xC0;
 379         pixels[height * rowstride - 5] = 0x80;
 380         pixels[height * rowstride - 9] = 0xC0;
 381 }
 382
 383 static gboolean
 384 empathy_gdk_pixbuf_is_opaque (GdkPixbuf *pixbuf)
 385 {
 386         gint width, height, rowstride, i;
 387         guchar *pixels;
 388         guchar *row;
 389
 390         width = gdk_pixbuf_get_width (pixbuf);
 391         height = gdk_pixbuf_get_height (pixbuf);
 392         rowstride = gdk_pixbuf_get_rowstride (pixbuf);
 393         pixels = gdk_pixbuf_get_pixels (pixbuf);
 394
 395         row = pixels;
 396         for (i = 3; i < rowstride; i+=4) {
 397                 if (row[i] < 0xfe) {
 398                         return FALSE;
 399                 }
 400         }
 401
 402         for (i = 1; i < height - 1; i++) {
 403                 row = pixels + (i*rowstride);
 404                 if (row[3] < 0xfe || row[rowstride-1] < 0xfe) {
 405                         return FALSE;
 406                 }
 407         }
 408
 409         row = pixels + ((height-1) * rowstride);
 410         for (i = 3; i < rowstride; i+=4) {
 411                 if (row[i] < 0xfe) {
 412                         return FALSE;
 413                 }
 414         }
 415
 416         return TRUE;
 417 }
 418
 419 GdkPixbuf *
 420 empathy_pixbuf_from_avatar_scaled (EmpathyAvatar *avatar,
 421                                   gint          width,
 422                                   gint          height)
 423 {
 424         GdkPixbuf        *pixbuf;
 425         GdkPixbufLoader  *loader;
 426         struct SizeData   data;
 427         GError           *error = NULL;
 428
 429         if (!avatar) {
 430                 return NULL;
 431         }
 432
 433         data.width = width;
 434         data.height = height;
 435         data.preserve_aspect_ratio = TRUE;
 436
 437         loader = gdk_pixbuf_loader_new ();
 438
 439         g_signal_connect (loader, "size-prepared",
 440                           G_CALLBACK (pixbuf_from_avatar_size_prepared_cb),
 441                           &data);
 442
 443         if (!gdk_pixbuf_loader_write (loader, avatar->data, avatar->len, &error)) {
 444                 g_warning ("Couldn't write avatar image:%p with "
 445                            "length:%" G_GSIZE_FORMAT " to pixbuf loader: %s",
 446                            avatar->data, avatar->len, error->message);
 447                 g_error_free (error);
 448                 return NULL;
 449         }
 450
 451         gdk_pixbuf_loader_close (loader, NULL);
 452
 453         pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
 454         if (!gdk_pixbuf_get_has_alpha (pixbuf)) {
 455                 GdkPixbuf *rounded_pixbuf;
 456
 457                 rounded_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
 458                                                  gdk_pixbuf_get_width (pixbuf),
 459                                                  gdk_pixbuf_get_height (pixbuf));
 460                 gdk_pixbuf_copy_area (pixbuf, 0, 0,
 461                                       gdk_pixbuf_get_width (pixbuf),
 462                                       gdk_pixbuf_get_height (pixbuf),
 463                                       rounded_pixbuf,
 464                                       0, 0);
 465                 pixbuf = rounded_pixbuf;
 466         } else {
 467                 g_object_ref (pixbuf);
 468         }
 469
 470         if (empathy_gdk_pixbuf_is_opaque (pixbuf)) {
 471                 empathy_avatar_pixbuf_roundify (pixbuf);
 472         }
 473
 474         g_object_unref (loader);
 475
 476         return pixbuf;
 477 }
 478
 479 GdkPixbuf *
 480 empathy_pixbuf_avatar_from_contact_scaled (EmpathyContact *contact,
 481                                           gint           width,
 482                                           gint           height)
 483 {
 484         EmpathyAvatar *avatar;
 485
 486         g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 487
 488         avatar = empathy_contact_get_avatar (contact);
 489
 490         return empathy_pixbuf_from_avatar_scaled (avatar, width, height);
 491 }
 492
 493 GdkPixbuf *
 494 empathy_pixbuf_scale_down_if_necessary (GdkPixbuf *pixbuf, gint max_size)
 495 {
 496         gint      width, height;
 497         gdouble   factor;
 498
 499         width = gdk_pixbuf_get_width (pixbuf);
 500         height = gdk_pixbuf_get_height (pixbuf);
 501
 502         if (width > 0 && (width > max_size || height > max_size)) {
 503                 factor = (gdouble) max_size / MAX (width, height);
 504
 505                 width = width * factor;
 506                 height = height * factor;
 507
 508                 return gdk_pixbuf_scale_simple (pixbuf,
 509                                                 width, height,
 510                                                 GDK_INTERP_HYPER);
 511         }
 512
 513         return g_object_ref (pixbuf);
 514 }
 515
 516 GdkPixbuf *
 517 empathy_pixbuf_from_icon_name_sized (const gchar *icon_name,
 518                                      gint size)
 519 {
 520         GtkIconTheme *theme;
 521         GdkPixbuf *pixbuf;
 522         GError *error = NULL;
 523
 524         if (!icon_name) {
 525                 return NULL;
 526         }
 527
 528         theme = gtk_icon_theme_get_default ();
 529
 530         pixbuf = gtk_icon_theme_load_icon (theme,
 531                                            icon_name,
 532                                            size,
 533                                            0,
 534                                            &error);
 535         if (error) {
 536                 DEBUG ("Error loading icon: %s", error->message);
 537                 g_clear_error (&error);
 538         }
 539
 540         return pixbuf;
 541 }
 542
 543 GdkPixbuf *
 544 empathy_pixbuf_from_icon_name (const gchar *icon_name,
 545                                GtkIconSize  icon_size)
 546 {
 547         gint  w, h;
 548         gint  size = 48;
 549
 550         if (!icon_name) {
 551                 return NULL;
 552         }
 553
 554         if (gtk_icon_size_lookup (icon_size, &w, &h)) {
 555                 size = (w + h) / 2;
 556         }
 557
 558         return empathy_pixbuf_from_icon_name_sized (icon_name, size);
 559 }
 560
 561 /* Stolen from GtkSourceView, hence the weird intendation. Please keep it like
 562  * that to make it easier to apply changes from the original code.
 563  */
 564 #define GTK_TEXT_UNKNOWN_CHAR 0xFFFC
 565
 566 /* this function acts like g_utf8_offset_to_pointer() except that if it finds a
 567  * decomposable character it consumes the decomposition length from the given
 568  * offset.  So it's useful when the offset was calculated for the normalized
 569  * version of str, but we need a pointer to str itself. */
 570 static const gchar *
 571 pointer_from_offset_skipping_decomp (const gchar *str, gint offset)
 572 {
 573         gchar *casefold, *normal;
 574         const gchar *p, *q;
 575
 576         p = str;
 577         while (offset > 0)
 578         {
 579                 q = g_utf8_next_char (p);
 580                 casefold = g_utf8_casefold (p, q - p);
 581                 normal = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 582                 offset -= g_utf8_strlen (normal, -1);
 583                 g_free (casefold);
 584                 g_free (normal);
 585                 p = q;
 586         }
 587         return p;
 588 }
 589
 590 static const gchar *
 591 g_utf8_strcasestr (const gchar *haystack, const gchar *needle)
 592 {
 593         gsize needle_len;
 594         gsize haystack_len;
 595         const gchar *ret = NULL;
 596         gchar *p;
 597         gchar *casefold;
 598         gchar *caseless_haystack;
 599         gint i;
 600
 601         g_return_val_if_fail (haystack != NULL, NULL);
 602         g_return_val_if_fail (needle != NULL, NULL);
 603
 604         casefold = g_utf8_casefold (haystack, -1);
 605         caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 606         g_free (casefold);
 607
 608         needle_len = g_utf8_strlen (needle, -1);
 609         haystack_len = g_utf8_strlen (caseless_haystack, -1);
 610
 611         if (needle_len == 0)
 612         {
 613                 ret = (gchar *) haystack;
 614                 goto finally_1;
 615         }
 616
 617         if (haystack_len < needle_len)
 618         {
 619                 ret = NULL;
 620                 goto finally_1;
 621         }
 622
 623         p = (gchar *) caseless_haystack;
 624         needle_len = strlen (needle);
 625         i = 0;
 626
 627         while (*p)
 628         {
 629                 if ((strncmp (p, needle, needle_len) == 0))
 630                 {
 631                         ret = pointer_from_offset_skipping_decomp (haystack, i);
 632                         goto finally_1;
 633                 }
 634
 635                 p = g_utf8_next_char (p);
 636                 i++;
 637         }
 638
 639 finally_1:
 640         g_free (caseless_haystack);
 641
 642         return ret;
 643 }
 644
 645 static gboolean
 646 g_utf8_caselessnmatch (const char *s1, const char *s2,
 647                        gssize n1, gssize n2)
 648 {
 649         gchar *casefold;
 650         gchar *normalized_s1;
 651         gchar *normalized_s2;
 652         gint len_s1;
 653         gint len_s2;
 654         gboolean ret = FALSE;
 655
 656         g_return_val_if_fail (s1 != NULL, FALSE);
 657         g_return_val_if_fail (s2 != NULL, FALSE);
 658         g_return_val_if_fail (n1 > 0, FALSE);
 659         g_return_val_if_fail (n2 > 0, FALSE);
 660
 661         casefold = g_utf8_casefold (s1, n1);
 662         normalized_s1 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 663         g_free (casefold);
 664
 665         casefold = g_utf8_casefold (s2, n2);
 666         normalized_s2 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 667         g_free (casefold);
 668
 669         len_s1 = strlen (normalized_s1);
 670         len_s2 = strlen (normalized_s2);
 671
 672         if (len_s1 < len_s2)
 673                 goto finally_2;
 674
 675         ret = (strncmp (normalized_s1, normalized_s2, len_s2) == 0);
 676
 677 finally_2:
 678         g_free (normalized_s1);
 679         g_free (normalized_s2);
 680
 681         return ret;
 682 }
 683
 684 static void
 685 forward_chars_with_skipping (GtkTextIter *iter,
 686                              gint         count,
 687                              gboolean     skip_invisible,
 688                              gboolean     skip_nontext,
 689                              gboolean     skip_decomp)
 690 {
 691         gint i;
 692
 693         g_return_if_fail (count >= 0);
 694
 695         i = count;
 696
 697         while (i > 0)
 698         {
 699                 gboolean ignored = FALSE;
 700
 701                 /* minimal workaround to avoid the infinite loop of bug #168247.
 702                  * It doesn't fix the problemjust the symptom...
 703                  */
 704                 if (gtk_text_iter_is_end (iter))
 705                         return;
 706
 707                 if (skip_nontext && gtk_text_iter_get_char (iter) == GTK_TEXT_UNKNOWN_CHAR)
 708                         ignored = TRUE;
 709
 710                 if (!ignored && skip_invisible &&
 711                     /* _gtk_text_btree_char_is_invisible (iter)*/ FALSE)
 712                         ignored = TRUE;
 713
 714                 if (!ignored && skip_decomp)
 715                 {
 716                         /* being UTF8 correct sucks; this accounts for extra
 717                            offsets coming from canonical decompositions of
 718                            UTF8 characters (e.g. accented characters) which
 719                            g_utf8_normalize () performs */
 720                         gchar *normal;
 721                         gchar buffer[6];
 722                         gint buffer_len;
 723
 724                         buffer_len = g_unichar_to_utf8 (gtk_text_iter_get_char (iter), buffer);
 725                         normal = g_utf8_normalize (buffer, buffer_len, G_NORMALIZE_NFD);
 726                         i -= (g_utf8_strlen (normal, -1) - 1);
 727                         g_free (normal);
 728                 }
 729
 730                 gtk_text_iter_forward_char (iter);
 731
 732                 if (!ignored)
 733                         --i;
 734         }
 735 }
 736
 737 static gboolean
 738 lines_match (const GtkTextIter *start,
 739              const gchar      **lines,
 740              gboolean           visible_only,
 741              gboolean           slice,
 742              GtkTextIter       *match_start,
 743              GtkTextIter       *match_end)
 744 {
 745         GtkTextIter next;
 746         gchar *line_text;
 747         const gchar *found;
 748         gint offset;
 749
 750         if (*lines == NULL || **lines == '\0')
 751         {
 752                 if (match_start)
 753                         *match_start = *start;
 754                 if (match_end)
 755                         *match_end = *start;
 756                 return TRUE;
 757         }
 758
 759         next = *start;
 760         gtk_text_iter_forward_line (&next);
 761
 762         /* No more text in buffer, but *lines is nonempty */
 763         if (gtk_text_iter_equal (start, &next))
 764                 return FALSE;
 765
 766         if (slice)
 767         {
 768                 if (visible_only)
 769                         line_text = gtk_text_iter_get_visible_slice (start, &next);
 770                 else
 771                         line_text = gtk_text_iter_get_slice (start, &next);
 772         }
 773         else
 774         {
 775                 if (visible_only)
 776                         line_text = gtk_text_iter_get_visible_text (start, &next);
 777                 else
 778                         line_text = gtk_text_iter_get_text (start, &next);
 779         }
 780
 781         if (match_start) /* if this is the first line we're matching */
 782         {
 783                 found = g_utf8_strcasestr (line_text, *lines);
 784         }
 785         else
 786         {
 787                 /* If it's not the first line, we have to match from the
 788                  * start of the line.
 789                  */
 790                 if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
 791                                            strlen (*lines)))
 792                         found = line_text;
 793                 else
 794                         found = NULL;
 795         }
 796
 797         if (found == NULL)
 798         {
 799                 g_free (line_text);
 800                 return FALSE;
 801         }
 802
 803         /* Get offset to start of search string */
 804         offset = g_utf8_strlen (line_text, found - line_text);
 805
 806         next = *start;
 807
 808         /* If match start needs to be returned, set it to the
 809          * start of the search string.
 810          */
 811         forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
 812         if (match_start)
 813         {
 814                 *match_start = next;
 815         }
 816
 817         /* Go to end of search string */
 818         forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
 819
 820         g_free (line_text);
 821
 822         ++lines;
 823
 824         if (match_end)
 825                 *match_end = next;
 826
 827         /* pass NULL for match_start, since we don't need to find the
 828          * start again.
 829          */
 830         return lines_match (&next, lines, visible_only, slice, NULL, match_end);
 831 }
 832
 833 /* strsplit () that retains the delimiter as part of the string. */
 834 static gchar **
 835 strbreakup (const char *string,
 836             const char *delimiter,
 837             gint        max_tokens)
 838 {
 839         GSList *string_list = NULL, *slist;
 840         gchar **str_array, *s, *casefold, *new_string;
 841         guint i, n = 1;
 842
 843         g_return_val_if_fail (string != NULL, NULL);
 844         g_return_val_if_fail (delimiter != NULL, NULL);
 845
 846         if (max_tokens < 1)
 847                 max_tokens = G_MAXINT;
 848
 849         s = strstr (string, delimiter);
 850         if (s)
 851         {
 852                 guint delimiter_len = strlen (delimiter);
 853
 854                 do
 855                 {
 856                         guint len;
 857
 858                         len = s - string + delimiter_len;
 859                         new_string = g_new (gchar, len + 1);
 860                         strncpy (new_string, string, len);
 861                         new_string[len] = 0;
 862                         casefold = g_utf8_casefold (new_string, -1);
 863                         g_free (new_string);
 864                         new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 865                         g_free (casefold);
 866                         string_list = g_slist_prepend (string_list, new_string);
 867                         n++;
 868                         string = s + delimiter_len;
 869                         s = strstr (string, delimiter);
 870                 } while (--max_tokens && s);
 871         }
 872
 873         if (*string)
 874         {
 875                 n++;
 876                 casefold = g_utf8_casefold (string, -1);
 877                 new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 878                 g_free (casefold);
 879                 string_list = g_slist_prepend (string_list, new_string);
 880         }
 881
 882         str_array = g_new (gchar*, n);
 883
 884         i = n - 1;
 885
 886         str_array[i--] = NULL;
 887         for (slist = string_list; slist; slist = slist->next)
 888                 str_array[i--] = slist->data;
 889
 890         g_slist_free (string_list);
 891
 892         return str_array;
 893 }
 894
 895 gboolean
 896 empathy_text_iter_forward_search (const GtkTextIter   *iter,
 897                                  const gchar         *str,
 898                                  GtkTextIter         *match_start,
 899                                  GtkTextIter         *match_end,
 900                                  const GtkTextIter   *limit)
 901 {
 902         gchar **lines = NULL;
 903         GtkTextIter match;
 904         gboolean retval = FALSE;
 905         GtkTextIter search;
 906         gboolean visible_only;
 907         gboolean slice;
 908
 909         g_return_val_if_fail (iter != NULL, FALSE);
 910         g_return_val_if_fail (str != NULL, FALSE);
 911
 912         if (limit && gtk_text_iter_compare (iter, limit) >= 0)
 913                 return FALSE;
 914
 915         if (*str == '\0') {
 916                 /* If we can move one char, return the empty string there */
 917                 match = *iter;
 918
 919                 if (gtk_text_iter_forward_char (&match)) {
 920                         if (limit && gtk_text_iter_equal (&match, limit)) {
 921                                 return FALSE;
 922                         }
 923
 924                         if (match_start) {
 925                                 *match_start = match;
 926                         }
 927                         if (match_end) {
 928                                 *match_end = match;
 929                         }
 930                         return TRUE;
 931                 } else {
 932                         return FALSE;
 933                 }
 934         }
 935
 936         visible_only = TRUE;
 937         slice = FALSE;
 938
 939         /* locate all lines */
 940         lines = strbreakup (str, "\n", -1);
 941
 942         search = *iter;
 943
 944         do {
 945                 /* This loop has an inefficient worst-case, where
 946                  * gtk_text_iter_get_text () is called repeatedly on
 947                  * a single line.
 948                  */
 949                 GtkTextIter end;
 950
 951                 if (limit && gtk_text_iter_compare (&search, limit) >= 0) {
 952                         break;
 953                 }
 954
 955                 if (lines_match (&search, (const gchar**)lines,
 956                                  visible_only, slice, &match, &end)) {
 957                         if (limit == NULL ||
 958                             (limit && gtk_text_iter_compare (&end, limit) <= 0)) {
 959                                 retval = TRUE;
 960
 961                                 if (match_start) {
 962                                         *match_start = match;
 963                                 }
 964                                 if (match_end) {
 965                                         *match_end = end;
 966                                 }
 967                         }
 968                         break;
 969                 }
 970         } while (gtk_text_iter_forward_line (&search));
 971
 972         g_strfreev ((gchar **) lines);
 973
 974         return retval;
 975 }
 976
 977 static const gchar *
 978 g_utf8_strrcasestr (const gchar *haystack, const gchar *needle)
 979 {
 980         gsize needle_len;
 981         gsize haystack_len;
 982         const gchar *ret = NULL;
 983         gchar *p;
 984         gchar *casefold;
 985         gchar *caseless_haystack;
 986         gint i;
 987
 988         g_return_val_if_fail (haystack != NULL, NULL);
 989         g_return_val_if_fail (needle != NULL, NULL);
 990
 991         casefold = g_utf8_casefold (haystack, -1);
 992         caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 993         g_free (casefold);
 994
 995         needle_len = g_utf8_strlen (needle, -1);
 996         haystack_len = g_utf8_strlen (caseless_haystack, -1);
 997
 998         if (needle_len == 0)
 999         {
1000                 ret = (gchar *) haystack;
1001                 goto finally_1;
1002         }
1003
1004         if (haystack_len < needle_len)
1005         {
1006                 ret = NULL;
1007                 goto finally_1;
1008         }
1009
1010         i = haystack_len - needle_len;
1011         p = g_utf8_offset_to_pointer (caseless_haystack, i);
1012         needle_len = strlen (needle);
1013
1014         while (p >= caseless_haystack)
1015         {
1016                 if (strncmp (p, needle, needle_len) == 0)
1017                 {
1018                         ret = pointer_from_offset_skipping_decomp (haystack, i);
1019                         goto finally_1;
1020                 }
1021
1022                 p = g_utf8_prev_char (p);
1023                 i--;
1024         }
1025
1026 finally_1:
1027         g_free (caseless_haystack);
1028
1029         return ret;
1030 }
1031
1032 static gboolean
1033 backward_lines_match (const GtkTextIter *start,
1034                       const gchar      **lines,
1035                       gboolean           visible_only,
1036                       gboolean           slice,
1037                       GtkTextIter       *match_start,
1038                       GtkTextIter       *match_end)
1039 {
1040         GtkTextIter line, next;
1041         gchar *line_text;
1042         const gchar *found;
1043         gint offset;
1044
1045         if (*lines == NULL || **lines == '\0')
1046         {
1047                 if (match_start)
1048                         *match_start = *start;
1049                 if (match_end)
1050                         *match_end = *start;
1051                 return TRUE;
1052         }
1053
1054         line = next = *start;
1055         if (gtk_text_iter_get_line_offset (&next) == 0)
1056         {
1057                 if (!gtk_text_iter_backward_line (&next))
1058                         return FALSE;
1059         }
1060         else
1061                 gtk_text_iter_set_line_offset (&next, 0);
1062
1063         if (slice)
1064         {
1065                 if (visible_only)
1066                         line_text = gtk_text_iter_get_visible_slice (&next, &line);
1067                 else
1068                         line_text = gtk_text_iter_get_slice (&next, &line);
1069         }
1070         else
1071         {
1072                 if (visible_only)
1073                         line_text = gtk_text_iter_get_visible_text (&next, &line);
1074                 else
1075                         line_text = gtk_text_iter_get_text (&next, &line);
1076         }
1077
1078         if (match_start) /* if this is the first line we're matching */
1079         {
1080                 found = g_utf8_strrcasestr (line_text, *lines);
1081         }
1082         else
1083         {
1084                 /* If it's not the first line, we have to match from the
1085                  * start of the line.
1086                  */
1087                 if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
1088                                            strlen (*lines)))
1089                         found = line_text;
1090                 else
1091                         found = NULL;
1092         }
1093
1094         if (found == NULL)
1095         {
1096                 g_free (line_text);
1097                 return FALSE;
1098         }
1099
1100         /* Get offset to start of search string */
1101         offset = g_utf8_strlen (line_text, found - line_text);
1102
1103         forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
1104
1105         /* If match start needs to be returned, set it to the
1106          * start of the search string.
1107          */
1108         if (match_start)
1109         {
1110                 *match_start = next;
1111         }
1112
1113         /* Go to end of search string */
1114         forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
1115
1116         g_free (line_text);
1117
1118         ++lines;
1119
1120         if (match_end)
1121                 *match_end = next;
1122
1123         /* try to match the rest of the lines forward, passing NULL
1124          * for match_start so lines_match will try to match the entire
1125          * line */
1126         return lines_match (&next, lines, visible_only,
1127                             slice, NULL, match_end);
1128 }
1129
1130 gboolean
1131 empathy_text_iter_backward_search (const GtkTextIter   *iter,
1132                                   const gchar         *str,
1133                                   GtkTextIter         *match_start,
1134                                   GtkTextIter         *match_end,
1135                                   const GtkTextIter   *limit)
1136 {
1137         gchar **lines = NULL;
1138         GtkTextIter match;
1139         gboolean retval = FALSE;
1140         GtkTextIter search;
1141         gboolean visible_only;
1142         gboolean slice;
1143
1144         g_return_val_if_fail (iter != NULL, FALSE);
1145         g_return_val_if_fail (str != NULL, FALSE);
1146
1147         if (limit && gtk_text_iter_compare (iter, limit) <= 0)
1148                 return FALSE;
1149
1150         if (*str == '\0')
1151         {
1152                 /* If we can move one char, return the empty string there */
1153                 match = *iter;
1154
1155                 if (gtk_text_iter_backward_char (&match))
1156                 {
1157                         if (limit && gtk_text_iter_equal (&match, limit))
1158                                 return FALSE;
1159
1160                         if (match_start)
1161                                 *match_start = match;
1162                         if (match_end)
1163                                 *match_end = match;
1164                         return TRUE;
1165                 }
1166                 else
1167                 {
1168                         return FALSE;
1169                 }
1170         }
1171
1172         visible_only = TRUE;
1173         slice = TRUE;
1174
1175         /* locate all lines */
1176         lines = strbreakup (str, "\n", -1);
1177
1178         search = *iter;
1179
1180         while (TRUE)
1181         {
1182                 /* This loop has an inefficient worst-case, where
1183                  * gtk_text_iter_get_text () is called repeatedly on
1184                  * a single line.
1185                  */
1186                 GtkTextIter end;
1187
1188                 if (limit && gtk_text_iter_compare (&search, limit) <= 0)
1189                         break;
1190
1191                 if (backward_lines_match (&search, (const gchar**)lines,
1192                                           visible_only, slice, &match, &end))
1193                 {
1194                         if (limit == NULL || (limit &&
1195                                               gtk_text_iter_compare (&end, limit) > 0))
1196                         {
1197                                 retval = TRUE;
1198
1199                                 if (match_start)
1200                                         *match_start = match;
1201                                 if (match_end)
1202                                         *match_end = end;
1203                         }
1204                         break;
1205                 }
1206
1207                 if (gtk_text_iter_get_line_offset (&search) == 0)
1208                 {
1209                         if (!gtk_text_iter_backward_line (&search))
1210                                 break;
1211                 }
1212                 else
1213                 {
1214                         gtk_text_iter_set_line_offset (&search, 0);
1215                 }
1216         }
1217
1218         g_strfreev ((gchar **) lines);
1219
1220         return retval;
1221 }
1222
1223 gboolean
1224 empathy_window_get_is_visible (GtkWindow *window)
1225 {
1226         GdkWindowState  state;
1227         GdkWindow      *gdk_window;
1228
1229         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
1230
1231         gdk_window = GTK_WIDGET (window)->window;
1232         if (!gdk_window) {
1233                 return FALSE;
1234         }
1235
1236         state = gdk_window_get_state (gdk_window);
1237         if (state & (GDK_WINDOW_STATE_WITHDRAWN | GDK_WINDOW_STATE_ICONIFIED)) {
1238                 return FALSE;
1239         }
1240
1241         return TRUE;
1242 }
1243
1244 void
1245 empathy_window_iconify (GtkWindow *window, GtkStatusIcon *status_icon)
1246 {
1247         GdkRectangle  icon_location;
1248         gulong        data[4];
1249         Display      *dpy;
1250         GdkWindow    *gdk_window;
1251
1252         gtk_status_icon_get_geometry (status_icon, NULL, &icon_location, NULL);
1253         gdk_window = GTK_WIDGET (window)->window;
1254         dpy = gdk_x11_drawable_get_xdisplay (gdk_window);
1255
1256         data[0] = icon_location.x;
1257         data[1] = icon_location.y;
1258         data[2] = icon_location.width;
1259         data[3] = icon_location.height;
1260
1261         XChangeProperty (dpy,
1262                          GDK_WINDOW_XID (gdk_window),
1263                          gdk_x11_get_xatom_by_name_for_display (gdk_drawable_get_display (gdk_window),
1264                          "_NET_WM_ICON_GEOMETRY"),
1265                          XA_CARDINAL, 32, PropModeReplace,
1266                          (guchar *)&data, 4);
1267
1268         gtk_window_set_skip_taskbar_hint (window, TRUE);
1269         gtk_window_iconify (window);
1270 }
1271
1272 /* Takes care of moving the window to the current workspace. */
1273 void
1274 empathy_window_present (GtkWindow *window,
1275                         gboolean   steal_focus)
1276 {
1277         guint32 timestamp;
1278
1279         g_return_if_fail (GTK_IS_WINDOW (window));
1280
1281         /* There are three cases: hidden, visible, visible on another
1282          * workspace.
1283          */
1284
1285         if (!empathy_window_get_is_visible (window)) {
1286                 /* Hide it so present brings it to the current workspace. */
1287                 gtk_widget_hide (GTK_WIDGET (window));
1288         }
1289
1290         timestamp = gtk_get_current_event_time ();
1291         gtk_window_set_skip_taskbar_hint (window, FALSE);
1292         gtk_window_present_with_time (window, timestamp);
1293         /* FIXME: This shouldn't be required as gtk_window_present's doc says
1294          *        it deiconify automatically. */
1295         gtk_window_deiconify (window);
1296 }
1297
1298 GtkWindow *
1299 empathy_get_toplevel_window (GtkWidget *widget)
1300 {
1301         GtkWidget *toplevel;
1302
1303         g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
1304
1305         toplevel = gtk_widget_get_toplevel (widget);
1306         if (GTK_IS_WINDOW (toplevel) &&
1307             GTK_WIDGET_TOPLEVEL (toplevel)) {
1308                 return GTK_WINDOW (toplevel);
1309         }
1310
1311         return NULL;
1312 }
1313
1314 /* The URL opening code can't handle schemeless strings, so we try to be
1315  * smart and add http if there is no scheme or doesn't look like a mail
1316  * address. This should work in most cases, and let us click on strings
1317  * like "www.gnome.org".
1318  */
1319 static gchar *
1320 fixup_url (const gchar *url)
1321 {
1322         if (g_str_has_prefix (url, "ghelp:") ||
1323             g_str_has_prefix (url, "mailto:") ||
1324             strstr (url, ":/")) {
1325                 return NULL;
1326         }
1327
1328         if (strstr (url, "@")) {
1329                 return g_strdup_printf ("mailto:%s", url);
1330         }
1331
1332         return g_strdup_printf ("http://%s", url);
1333 }
1334
1335 void
1336 empathy_url_show (GtkWidget *parent,
1337                   const char *url)
1338 {
1339         gchar  *real_url;
1340         GError *error = NULL;
1341
1342         real_url = fixup_url (url);
1343         if (real_url) {
1344                 url = real_url;
1345         }
1346
1347         gtk_show_uri (gtk_widget_get_screen (parent), url,
1348                       gtk_get_current_event_time (), &error);
1349
1350         if (error) {
1351                 GtkWidget *dialog;
1352
1353                 dialog = gtk_message_dialog_new (NULL, 0,
1354                                                  GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
1355                                                  _("Unable to open URI"));
1356                 gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
1357                                                           "%s", error->message);
1358
1359                 g_signal_connect (dialog, "response",
1360                                   G_CALLBACK (gtk_widget_destroy),
1361                                   NULL);
1362                 gtk_window_present (GTK_WINDOW (dialog));
1363
1364                 g_clear_error (&error);
1365         }
1366
1367         g_free (real_url);
1368 }
1369
1370 static void
1371 link_button_hook (GtkLinkButton *button,
1372                   const gchar *link,
1373                   gpointer user_data)
1374 {
1375         empathy_url_show (GTK_WIDGET (button), link);
1376 }
1377
1378 GtkWidget *
1379 empathy_link_button_new (const gchar *url,
1380                         const gchar *title)
1381 {
1382         static gboolean hook = FALSE;
1383
1384         if (!hook) {
1385                 hook = TRUE;
1386                 gtk_link_button_set_uri_hook (link_button_hook, NULL, NULL);
1387         }
1388
1389         return gtk_link_button_new_with_label (url, title);
1390 }
1391
1392 void
1393 empathy_toggle_button_set_state_quietly (GtkWidget *widget,
1394                                         GCallback  callback,
1395                                         gpointer   user_data,
1396                                         gboolean   active)
1397 {
1398         g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
1399
1400         g_signal_handlers_block_by_func (widget, callback, user_data);
1401         g_object_set (widget, "active", active, NULL);
1402         g_signal_handlers_unblock_by_func (widget, callback, user_data);
1403 }
1404
1405 static void
1406 file_manager_send_file_response_cb (GtkDialog      *widget,
1407                                     gint            response_id,
1408                                     EmpathyContact *contact)
1409 {
1410         EmpathyFTFactory *factory;
1411         GFile *file;
1412         gchar *uri;
1413         GtkRecentManager *manager;
1414
1415         if (response_id == GTK_RESPONSE_OK) {
1416                 file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (widget));
1417                 uri = g_file_get_uri (file);
1418
1419                 factory = empathy_ft_factory_dup_singleton ();
1420
1421                 empathy_ft_factory_new_transfer_outgoing (factory, contact,
1422                                                           file);
1423
1424                 manager = gtk_recent_manager_get_default ();
1425                 gtk_recent_manager_add_item (manager, uri);
1426
1427                 g_free (uri);
1428                 g_object_unref (factory);
1429                 g_object_unref (file);
1430         }
1431
1432         gtk_widget_destroy (GTK_WIDGET (widget));
1433 }
1434
1435 void
1436 empathy_send_file_with_file_chooser (EmpathyContact *contact)
1437 {
1438         GtkWidget               *widget;
1439         GtkWidget               *button;
1440
1441         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
1442
1443         DEBUG ("Creating selection file chooser");
1444
1445         widget = gtk_file_chooser_dialog_new (_("Select a file"),
1446                                               NULL,
1447                                               GTK_FILE_CHOOSER_ACTION_OPEN,
1448                                               GTK_STOCK_CANCEL,
1449                                               GTK_RESPONSE_CANCEL,
1450                                               NULL);
1451
1452         /* send button */
1453         button = gtk_button_new_with_mnemonic (_("_Send"));
1454         gtk_button_set_image (GTK_BUTTON (button),
1455                 gtk_image_new_from_icon_name (EMPATHY_IMAGE_DOCUMENT_SEND,
1456                                               GTK_ICON_SIZE_BUTTON));
1457         gtk_widget_show (button);
1458         gtk_dialog_add_action_widget (GTK_DIALOG (widget), button,
1459                                       GTK_RESPONSE_OK);
1460         GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
1461         gtk_dialog_set_default_response (GTK_DIALOG (widget),
1462                                          GTK_RESPONSE_OK);
1463
1464         g_signal_connect (widget, "response",
1465                           G_CALLBACK (file_manager_send_file_response_cb),
1466                           contact);
1467
1468         gtk_widget_show (widget);
1469 }
1470
1471 static void
1472 file_manager_receive_file_response_cb (GtkDialog *dialog,
1473                                        GtkResponseType response,
1474                                        EmpathyFTHandler *handler)
1475 {
1476         EmpathyFTFactory *factory;
1477         GFile *file;
1478
1479         if (response == GTK_RESPONSE_OK) {
1480                 factory = empathy_ft_factory_dup_singleton ();
1481                 file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
1482
1483                 empathy_ft_factory_set_destination_for_incoming_handler
1484                         (factory, handler, file);
1485
1486                 g_object_unref (factory);
1487                 g_object_unref (file);
1488         } else {
1489                 /* unref the handler, as we dismissed the file chooser,
1490                  * and refused the transfer.
1491                  */
1492                 g_object_unref (handler);
1493         }
1494
1495         gtk_widget_destroy (GTK_WIDGET (dialog));
1496 }
1497
1498 void
1499 empathy_receive_file_with_file_chooser (EmpathyFTHandler *handler)
1500 {
1501         GtkWidget *widget;
1502
1503         widget = gtk_file_chooser_dialog_new (_("Select a destination"),
1504                                               NULL,
1505                                               GTK_FILE_CHOOSER_ACTION_SAVE,
1506                                               GTK_STOCK_CANCEL,
1507                                               GTK_RESPONSE_CANCEL,
1508                                               GTK_STOCK_SAVE,
1509                                               GTK_RESPONSE_OK,
1510                                               NULL);
1511         gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (widget),
1512                 empathy_ft_handler_get_filename (handler));
1513         gtk_file_chooser_set_do_overwrite_confirmation
1514                 (GTK_FILE_CHOOSER (widget), TRUE);
1515
1516         g_signal_connect (widget, "response",
1517                 G_CALLBACK (file_manager_receive_file_response_cb), handler);
1518
1519         gtk_widget_show (widget);
1520 }
1521
1522 typedef struct {
1523         EmpathySound sound_id;
1524         const char * event_ca_id;
1525         const char * event_ca_description;
1526         const char * gconf_key;
1527 } EmpathySoundEntry;
1528
1529 /* NOTE: these entries MUST be in the same order than EmpathySound enum */
1530 static EmpathySoundEntry sound_entries[LAST_EMPATHY_SOUND] = {
1531         { EMPATHY_SOUND_MESSAGE_INCOMING, "message-new-instant",
1532           N_("Received an instant message"), EMPATHY_PREFS_SOUNDS_INCOMING_MESSAGE } ,
1533         { EMPATHY_SOUND_MESSAGE_OUTGOING, "message-sent-instant",
1534           N_("Sent an instant message"), EMPATHY_PREFS_SOUNDS_OUTGOING_MESSAGE } ,
1535         { EMPATHY_SOUND_CONVERSATION_NEW, "message-new-instant",
1536           N_("Incoming chat request"), EMPATHY_PREFS_SOUNDS_NEW_CONVERSATION },
1537         { EMPATHY_SOUND_CONTACT_CONNECTED, "service-login",
1538           N_("Contact connected"), EMPATHY_PREFS_SOUNDS_CONTACT_LOGIN },
1539         { EMPATHY_SOUND_CONTACT_DISCONNECTED, "service-logout",
1540           N_("Contact disconnected"), EMPATHY_PREFS_SOUNDS_CONTACT_LOGOUT },
1541         { EMPATHY_SOUND_ACCOUNT_CONNECTED, "service-login",
1542           N_("Connected to server"), EMPATHY_PREFS_SOUNDS_SERVICE_LOGIN },
1543         { EMPATHY_SOUND_ACCOUNT_DISCONNECTED, "service-logout",
1544           N_("Disconnected from server"), EMPATHY_PREFS_SOUNDS_SERVICE_LOGOUT },
1545         { EMPATHY_SOUND_PHONE_INCOMING, "phone-incoming-call",
1546           N_("Incoming voice call"), NULL },
1547         { EMPATHY_SOUND_PHONE_OUTGOING, "phone-outgoing-calling",
1548           N_("Outgoing voice call"), NULL },
1549         { EMPATHY_SOUND_PHONE_HANGUP, "phone-hangup",
1550           N_("Voice call ended"), NULL },
1551 };
1552
1553
1554 static gboolean
1555 empathy_sound_pref_is_enabled (const char *key)
1556 {
1557         EmpathyConf *conf;
1558         gboolean res;
1559
1560         conf = empathy_conf_get ();
1561         res = FALSE;
1562
1563         empathy_conf_get_bool (conf, EMPATHY_PREFS_SOUNDS_ENABLED, &res);
1564
1565         if (!res) {
1566                 return FALSE;
1567         }
1568
1569         if (!empathy_check_available_state ()) {
1570                 empathy_conf_get_bool (conf, EMPATHY_PREFS_SOUNDS_DISABLED_AWAY,
1571                                        &res);
1572                 if (res) {
1573                         return FALSE;
1574                 }
1575         }
1576
1577         empathy_conf_get_bool (conf, key, &res);
1578
1579         return res;
1580 }
1581
1582 void
1583 empathy_sound_stop (EmpathySound sound_id)
1584 {
1585         EmpathySoundEntry *entry;
1586
1587         g_return_if_fail (sound_id < LAST_EMPATHY_SOUND);
1588
1589         entry = &(sound_entries[sound_id]);
1590         g_return_if_fail (entry->sound_id == sound_id);
1591
1592         ca_context_cancel (ca_gtk_context_get (), entry->sound_id);
1593 }
1594
1595
1596 gboolean
1597 empathy_sound_play_full (GtkWidget *widget, EmpathySound sound_id,
1598         ca_finish_callback_t callback, gpointer user_data)
1599 {
1600         EmpathySoundEntry *entry;
1601         gboolean should_play = TRUE;
1602         ca_proplist *p = NULL;
1603         ca_context *c;
1604
1605         g_return_val_if_fail (sound_id < LAST_EMPATHY_SOUND, FALSE);
1606
1607         entry = &(sound_entries[sound_id]);
1608         g_return_val_if_fail (entry->sound_id == sound_id, FALSE);
1609
1610         if (entry->gconf_key != NULL) {
1611                 should_play = empathy_sound_pref_is_enabled (entry->gconf_key);
1612         }
1613
1614         if (!should_play)
1615                 return FALSE;
1616
1617         c = ca_gtk_context_get ();
1618         ca_context_cancel (c, entry->sound_id);
1619
1620         DEBUG ("Play sound \"%s\" (%s)",
1621                entry->event_ca_id,
1622                entry->event_ca_description);
1623
1624         if (ca_proplist_create (&p) < 0)
1625                 goto failed;
1626
1627         if (ca_proplist_sets (p, CA_PROP_EVENT_ID, entry->event_ca_id) < 0)
1628                 goto failed;
1629
1630         if (ca_proplist_sets (p, CA_PROP_EVENT_DESCRIPTION,
1631                         gettext (entry->event_ca_id)) < 0)
1632                 goto failed;
1633
1634         if (ca_gtk_proplist_set_for_widget (p, widget) < 0)
1635                 goto failed;
1636
1637         ca_context_play_full (ca_gtk_context_get (), entry->sound_id,
1638                 p, callback, user_data);
1639
1640         ca_proplist_destroy (p);
1641
1642         return TRUE;
1643
1644 failed:
1645         if (p != NULL)
1646                 ca_proplist_destroy (p);
1647
1648         return FALSE;
1649 }
1650
1651 void
1652 empathy_sound_play (GtkWidget *widget, EmpathySound sound_id)
1653 {
1654         empathy_sound_play_full (widget, sound_id, NULL, NULL);
1655 }
1656