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., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, 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-tp-file.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                 DEBUG ("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 const gchar *
 170 empathy_icon_name_from_account (McAccount *account)
 171 {
 172         McProfile *profile;
 173
 174         profile = mc_account_get_profile (account);
 175
 176         return mc_profile_get_icon_name (profile);
 177 }
 178
 179 const gchar *
 180 empathy_icon_name_for_presence (McPresence presence)
 181 {
 182         switch (presence) {
 183         case MC_PRESENCE_AVAILABLE:
 184                 return EMPATHY_IMAGE_AVAILABLE;
 185         case MC_PRESENCE_DO_NOT_DISTURB:
 186                 return EMPATHY_IMAGE_BUSY;
 187         case MC_PRESENCE_AWAY:
 188                 return EMPATHY_IMAGE_AWAY;
 189         case MC_PRESENCE_EXTENDED_AWAY:
 190                 return EMPATHY_IMAGE_EXT_AWAY;
 191         case MC_PRESENCE_HIDDEN:
 192                 return EMPATHY_IMAGE_HIDDEN;
 193         case MC_PRESENCE_OFFLINE:
 194         case MC_PRESENCE_UNSET:
 195                 return EMPATHY_IMAGE_OFFLINE;
 196         default:
 197                 g_assert_not_reached ();
 198         }
 199
 200         return NULL;
 201 }
 202
 203 const gchar *
 204 empathy_icon_name_for_contact (EmpathyContact *contact)
 205 {
 206         McPresence presence;
 207
 208         g_return_val_if_fail (EMPATHY_IS_CONTACT (contact),
 209                               EMPATHY_IMAGE_OFFLINE);
 210
 211         presence = empathy_contact_get_presence (contact);
 212         return empathy_icon_name_for_presence (presence);
 213 }
 214
 215 GdkPixbuf *
 216 empathy_pixbuf_from_data (gchar *data,
 217                           gsize  data_size)
 218 {
 219         return empathy_pixbuf_from_data_and_mime (data, data_size, NULL);
 220 }
 221
 222 GdkPixbuf *
 223 empathy_pixbuf_from_data_and_mime (gchar  *data,
 224                                    gsize   data_size,
 225                                    gchar **mime_type)
 226 {
 227         GdkPixbufLoader *loader;
 228         GdkPixbufFormat *format;
 229         GdkPixbuf       *pixbuf = NULL;
 230         gchar          **mime_types;
 231         GError          *error = NULL;
 232
 233         if (!data) {
 234                 return NULL;
 235         }
 236
 237         loader = gdk_pixbuf_loader_new ();
 238         if (!gdk_pixbuf_loader_write (loader, data, data_size, &error)) {
 239                 DEBUG ("Failed to write to pixbuf loader: %s",
 240                         error ? error->message : "No error given");
 241                 goto out;
 242         }
 243         if (!gdk_pixbuf_loader_close (loader, &error)) {
 244                 DEBUG ("Failed to close pixbuf loader: %s",
 245                         error ? error->message : "No error given");
 246                 goto out;
 247         }
 248
 249         pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
 250         if (pixbuf) {
 251                 g_object_ref (pixbuf);
 252
 253                 if (mime_type != NULL) {
 254                         format = gdk_pixbuf_loader_get_format (loader);
 255                         mime_types = gdk_pixbuf_format_get_mime_types (format);
 256
 257                         *mime_type = g_strdup (*mime_types);
 258                         if (mime_types[1] != NULL) {
 259                                 DEBUG ("Loader supports more than one mime "
 260                                         "type! Picking the first one, %s",
 261                                         *mime_type);
 262                         }
 263                         g_strfreev (mime_types);
 264                 }
 265         }
 266
 267 out:
 268         g_clear_error (&error);
 269         g_object_unref (loader);
 270
 271         return pixbuf;
 272 }
 273
 274 struct SizeData {
 275         gint     width;
 276         gint     height;
 277         gboolean preserve_aspect_ratio;
 278 };
 279
 280 static void
 281 pixbuf_from_avatar_size_prepared_cb (GdkPixbufLoader *loader,
 282                                      int              width,
 283                                      int              height,
 284                                      struct SizeData *data)
 285 {
 286         g_return_if_fail (width > 0 && height > 0);
 287
 288         if (data->preserve_aspect_ratio && (data->width > 0 || data->height > 0)) {
 289                 if (width < data->width && height < data->height) {
 290                         width = width;
 291                         height = height;
 292                 }
 293
 294                 if (data->width < 0) {
 295                         width = width * (double) data->height / (gdouble) height;
 296                         height = data->height;
 297                 } else if (data->height < 0) {
 298                         height = height * (double) data->width / (double) width;
 299                         width = data->width;
 300                 } else if ((double) height * (double) data->width >
 301                            (double) width * (double) data->height) {
 302                         width = 0.5 + (double) width * (double) data->height / (double) height;
 303                         height = data->height;
 304                 } else {
 305                         height = 0.5 + (double) height * (double) data->width / (double) width;
 306                         width = data->width;
 307                 }
 308         } else {
 309                 if (data->width > 0) {
 310                         width = data->width;
 311                 }
 312
 313                 if (data->height > 0) {
 314                         height = data->height;
 315                 }
 316         }
 317
 318         gdk_pixbuf_loader_set_size (loader, width, height);
 319 }
 320
 321 static void
 322 empathy_avatar_pixbuf_roundify (GdkPixbuf *pixbuf)
 323 {
 324         gint width, height, rowstride;
 325         guchar *pixels;
 326
 327         width = gdk_pixbuf_get_width (pixbuf);
 328         height = gdk_pixbuf_get_height (pixbuf);
 329         rowstride = gdk_pixbuf_get_rowstride (pixbuf);
 330         pixels = gdk_pixbuf_get_pixels (pixbuf);
 331
 332         if (width < 6 || height < 6) {
 333                 return;
 334         }
 335
 336         /* Top left */
 337         pixels[3] = 0;
 338         pixels[7] = 0x80;
 339         pixels[11] = 0xC0;
 340         pixels[rowstride + 3] = 0x80;
 341         pixels[rowstride * 2 + 3] = 0xC0;
 342
 343         /* Top right */
 344         pixels[width * 4 - 1] = 0;
 345         pixels[width * 4 - 5] = 0x80;
 346         pixels[width * 4 - 9] = 0xC0;
 347         pixels[rowstride + (width * 4) - 1] = 0x80;
 348         pixels[(2 * rowstride) + (width * 4) - 1] = 0xC0;
 349
 350         /* Bottom left */
 351         pixels[(height - 1) * rowstride + 3] = 0;
 352         pixels[(height - 1) * rowstride + 7] = 0x80;
 353         pixels[(height - 1) * rowstride + 11] = 0xC0;
 354         pixels[(height - 2) * rowstride + 3] = 0x80;
 355         pixels[(height - 3) * rowstride + 3] = 0xC0;
 356
 357         /* Bottom right */
 358         pixels[height * rowstride - 1] = 0;
 359         pixels[(height - 1) * rowstride - 1] = 0x80;
 360         pixels[(height - 2) * rowstride - 1] = 0xC0;
 361         pixels[height * rowstride - 5] = 0x80;
 362         pixels[height * rowstride - 9] = 0xC0;
 363 }
 364
 365 static gboolean
 366 empathy_gdk_pixbuf_is_opaque (GdkPixbuf *pixbuf)
 367 {
 368         gint width, height, rowstride, i;
 369         guchar *pixels;
 370         guchar *row;
 371
 372         width = gdk_pixbuf_get_width (pixbuf);
 373         height = gdk_pixbuf_get_height (pixbuf);
 374         rowstride = gdk_pixbuf_get_rowstride (pixbuf);
 375         pixels = gdk_pixbuf_get_pixels (pixbuf);
 376
 377         row = pixels;
 378         for (i = 3; i < rowstride; i+=4) {
 379                 if (row[i] < 0xfe) {
 380                         return FALSE;
 381                 }
 382         }
 383
 384         for (i = 1; i < height - 1; i++) {
 385                 row = pixels + (i*rowstride);
 386                 if (row[3] < 0xfe || row[rowstride-1] < 0xfe) {
 387                         return FALSE;
 388                 }
 389         }
 390
 391         row = pixels + ((height-1) * rowstride);
 392         for (i = 3; i < rowstride; i+=4) {
 393                 if (row[i] < 0xfe) {
 394                         return FALSE;
 395                 }
 396         }
 397
 398         return TRUE;
 399 }
 400
 401 GdkPixbuf *
 402 empathy_pixbuf_from_avatar_scaled (EmpathyAvatar *avatar,
 403                                   gint          width,
 404                                   gint          height)
 405 {
 406         GdkPixbuf        *pixbuf;
 407         GdkPixbufLoader  *loader;
 408         struct SizeData   data;
 409         GError           *error = NULL;
 410
 411         if (!avatar) {
 412                 return NULL;
 413         }
 414
 415         data.width = width;
 416         data.height = height;
 417         data.preserve_aspect_ratio = TRUE;
 418
 419         loader = gdk_pixbuf_loader_new ();
 420
 421         g_signal_connect (loader, "size-prepared",
 422                           G_CALLBACK (pixbuf_from_avatar_size_prepared_cb),
 423                           &data);
 424
 425         if (!gdk_pixbuf_loader_write (loader, avatar->data, avatar->len, &error)) {
 426                 g_warning ("Couldn't write avatar image:%p with "
 427                            "length:%" G_GSIZE_FORMAT " to pixbuf loader: %s",
 428                            avatar->data, avatar->len, error->message);
 429                 g_error_free (error);
 430                 return NULL;
 431         }
 432
 433         gdk_pixbuf_loader_close (loader, NULL);
 434
 435         pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
 436         if (!gdk_pixbuf_get_has_alpha (pixbuf)) {
 437                 GdkPixbuf *rounded_pixbuf;
 438
 439                 rounded_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
 440                                                  gdk_pixbuf_get_width (pixbuf),
 441                                                  gdk_pixbuf_get_height (pixbuf));
 442                 gdk_pixbuf_copy_area (pixbuf, 0, 0,
 443                                       gdk_pixbuf_get_width (pixbuf),
 444                                       gdk_pixbuf_get_height (pixbuf),
 445                                       rounded_pixbuf,
 446                                       0, 0);
 447                 pixbuf = rounded_pixbuf;
 448         } else {
 449                 g_object_ref (pixbuf);
 450         }
 451
 452         if (empathy_gdk_pixbuf_is_opaque (pixbuf)) {
 453                 empathy_avatar_pixbuf_roundify (pixbuf);
 454         }
 455
 456         g_object_unref (loader);
 457
 458         return pixbuf;
 459 }
 460
 461 GdkPixbuf *
 462 empathy_pixbuf_avatar_from_contact_scaled (EmpathyContact *contact,
 463                                           gint           width,
 464                                           gint           height)
 465 {
 466         EmpathyAvatar *avatar;
 467
 468         g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 469
 470         avatar = empathy_contact_get_avatar (contact);
 471
 472         return empathy_pixbuf_from_avatar_scaled (avatar, width, height);
 473 }
 474
 475 GdkPixbuf *
 476 empathy_pixbuf_scale_down_if_necessary (GdkPixbuf *pixbuf, gint max_size)
 477 {
 478         gint      width, height;
 479         gdouble   factor;
 480
 481         width = gdk_pixbuf_get_width (pixbuf);
 482         height = gdk_pixbuf_get_height (pixbuf);
 483
 484         if (width > 0 && (width > max_size || height > max_size)) {
 485                 factor = (gdouble) max_size / MAX (width, height);
 486
 487                 width = width * factor;
 488                 height = height * factor;
 489
 490                 return gdk_pixbuf_scale_simple (pixbuf,
 491                                                 width, height,
 492                                                 GDK_INTERP_HYPER);
 493         }
 494
 495         return g_object_ref (pixbuf);
 496 }
 497
 498 GdkPixbuf *
 499 empathy_pixbuf_from_icon_name_sized (const gchar *icon_name,
 500                                      gint size)
 501 {
 502         GtkIconTheme *theme;
 503         GdkPixbuf *pixbuf;
 504         GError *error = NULL;
 505
 506         if (!icon_name) {
 507                 return NULL;
 508         }
 509
 510         theme = gtk_icon_theme_get_default ();
 511
 512         pixbuf = gtk_icon_theme_load_icon (theme,
 513                                            icon_name,
 514                                            size,
 515                                            0,
 516                                            &error);
 517         if (error) {
 518                 DEBUG ("Error loading icon: %s", error->message);
 519                 g_clear_error (&error);
 520         }
 521
 522         return pixbuf;
 523 }
 524
 525 GdkPixbuf *
 526 empathy_pixbuf_from_icon_name (const gchar *icon_name,
 527                                GtkIconSize  icon_size)
 528 {
 529         gint  w, h;
 530         gint  size = 48;
 531
 532         if (!icon_name) {
 533                 return NULL;
 534         }
 535
 536         if (gtk_icon_size_lookup (icon_size, &w, &h)) {
 537                 size = (w + h) / 2;
 538         }
 539
 540         return empathy_pixbuf_from_icon_name_sized (icon_name, size);
 541 }
 542
 543 /* Stolen from GtkSourceView, hence the weird intendation. Please keep it like
 544  * that to make it easier to apply changes from the original code.
 545  */
 546 #define GTK_TEXT_UNKNOWN_CHAR 0xFFFC
 547
 548 /* this function acts like g_utf8_offset_to_pointer() except that if it finds a
 549  * decomposable character it consumes the decomposition length from the given
 550  * offset.  So it's useful when the offset was calculated for the normalized
 551  * version of str, but we need a pointer to str itself. */
 552 static const gchar *
 553 pointer_from_offset_skipping_decomp (const gchar *str, gint offset)
 554 {
 555         gchar *casefold, *normal;
 556         const gchar *p, *q;
 557
 558         p = str;
 559         while (offset > 0)
 560         {
 561                 q = g_utf8_next_char (p);
 562                 casefold = g_utf8_casefold (p, q - p);
 563                 normal = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 564                 offset -= g_utf8_strlen (normal, -1);
 565                 g_free (casefold);
 566                 g_free (normal);
 567                 p = q;
 568         }
 569         return p;
 570 }
 571
 572 static const gchar *
 573 g_utf8_strcasestr (const gchar *haystack, const gchar *needle)
 574 {
 575         gsize needle_len;
 576         gsize haystack_len;
 577         const gchar *ret = NULL;
 578         gchar *p;
 579         gchar *casefold;
 580         gchar *caseless_haystack;
 581         gint i;
 582
 583         g_return_val_if_fail (haystack != NULL, NULL);
 584         g_return_val_if_fail (needle != NULL, NULL);
 585
 586         casefold = g_utf8_casefold (haystack, -1);
 587         caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 588         g_free (casefold);
 589
 590         needle_len = g_utf8_strlen (needle, -1);
 591         haystack_len = g_utf8_strlen (caseless_haystack, -1);
 592
 593         if (needle_len == 0)
 594         {
 595                 ret = (gchar *)haystack;
 596                 goto finally_1;
 597         }
 598
 599         if (haystack_len < needle_len)
 600         {
 601                 ret = NULL;
 602                 goto finally_1;
 603         }
 604
 605         p = (gchar*)caseless_haystack;
 606         needle_len = strlen (needle);
 607         i = 0;
 608
 609         while (*p)
 610         {
 611                 if ((strncmp (p, needle, needle_len) == 0))
 612                 {
 613                         ret = pointer_from_offset_skipping_decomp (haystack, i);
 614                         goto finally_1;
 615                 }
 616
 617                 p = g_utf8_next_char (p);
 618                 i++;
 619         }
 620
 621 finally_1:
 622         g_free (caseless_haystack);
 623
 624         return ret;
 625 }
 626
 627 static gboolean
 628 g_utf8_caselessnmatch (const char *s1, const char *s2,
 629                        gssize n1, gssize n2)
 630 {
 631         gchar *casefold;
 632         gchar *normalized_s1;
 633         gchar *normalized_s2;
 634         gint len_s1;
 635         gint len_s2;
 636         gboolean ret = FALSE;
 637
 638         g_return_val_if_fail (s1 != NULL, FALSE);
 639         g_return_val_if_fail (s2 != NULL, FALSE);
 640         g_return_val_if_fail (n1 > 0, FALSE);
 641         g_return_val_if_fail (n2 > 0, FALSE);
 642
 643         casefold = g_utf8_casefold (s1, n1);
 644         normalized_s1 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 645         g_free (casefold);
 646
 647         casefold = g_utf8_casefold (s2, n2);
 648         normalized_s2 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 649         g_free (casefold);
 650
 651         len_s1 = strlen (normalized_s1);
 652         len_s2 = strlen (normalized_s2);
 653
 654         if (len_s1 < len_s2)
 655                 goto finally_2;
 656
 657         ret = (strncmp (normalized_s1, normalized_s2, len_s2) == 0);
 658
 659 finally_2:
 660         g_free (normalized_s1);
 661         g_free (normalized_s2);
 662
 663         return ret;
 664 }
 665
 666 static void
 667 forward_chars_with_skipping (GtkTextIter *iter,
 668                              gint         count,
 669                              gboolean     skip_invisible,
 670                              gboolean     skip_nontext,
 671                              gboolean     skip_decomp)
 672 {
 673         gint i;
 674
 675         g_return_if_fail (count >= 0);
 676
 677         i = count;
 678
 679         while (i > 0)
 680         {
 681                 gboolean ignored = FALSE;
 682
 683                 /* minimal workaround to avoid the infinite loop of bug #168247.
 684                  * It doesn't fix the problemjust the symptom...
 685                  */
 686                 if (gtk_text_iter_is_end (iter))
 687                         return;
 688
 689                 if (skip_nontext && gtk_text_iter_get_char (iter) == GTK_TEXT_UNKNOWN_CHAR)
 690                         ignored = TRUE;
 691
 692                 if (!ignored && skip_invisible &&
 693                     /* _gtk_text_btree_char_is_invisible (iter)*/ FALSE)
 694                         ignored = TRUE;
 695
 696                 if (!ignored && skip_decomp)
 697                 {
 698                         /* being UTF8 correct sucks; this accounts for extra
 699                            offsets coming from canonical decompositions of
 700                            UTF8 characters (e.g. accented characters) which
 701                            g_utf8_normalize() performs */
 702                         gchar *normal;
 703                         gchar buffer[6];
 704                         gint buffer_len;
 705
 706                         buffer_len = g_unichar_to_utf8 (gtk_text_iter_get_char (iter), buffer);
 707                         normal = g_utf8_normalize (buffer, buffer_len, G_NORMALIZE_NFD);
 708                         i -= (g_utf8_strlen (normal, -1) - 1);
 709                         g_free (normal);
 710                 }
 711
 712                 gtk_text_iter_forward_char (iter);
 713
 714                 if (!ignored)
 715                         --i;
 716         }
 717 }
 718
 719 static gboolean
 720 lines_match (const GtkTextIter *start,
 721              const gchar      **lines,
 722              gboolean           visible_only,
 723              gboolean           slice,
 724              GtkTextIter       *match_start,
 725              GtkTextIter       *match_end)
 726 {
 727         GtkTextIter next;
 728         gchar *line_text;
 729         const gchar *found;
 730         gint offset;
 731
 732         if (*lines == NULL || **lines == '\0')
 733         {
 734                 if (match_start)
 735                         *match_start = *start;
 736                 if (match_end)
 737                         *match_end = *start;
 738                 return TRUE;
 739         }
 740
 741         next = *start;
 742         gtk_text_iter_forward_line (&next);
 743
 744         /* No more text in buffer, but *lines is nonempty */
 745         if (gtk_text_iter_equal (start, &next))
 746                 return FALSE;
 747
 748         if (slice)
 749         {
 750                 if (visible_only)
 751                         line_text = gtk_text_iter_get_visible_slice (start, &next);
 752                 else
 753                         line_text = gtk_text_iter_get_slice (start, &next);
 754         }
 755         else
 756         {
 757                 if (visible_only)
 758                         line_text = gtk_text_iter_get_visible_text (start, &next);
 759                 else
 760                         line_text = gtk_text_iter_get_text (start, &next);
 761         }
 762
 763         if (match_start) /* if this is the first line we're matching */
 764         {
 765                 found = g_utf8_strcasestr (line_text, *lines);
 766         }
 767         else
 768         {
 769                 /* If it's not the first line, we have to match from the
 770                  * start of the line.
 771                  */
 772                 if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
 773                                            strlen (*lines)))
 774                         found = line_text;
 775                 else
 776                         found = NULL;
 777         }
 778
 779         if (found == NULL)
 780         {
 781                 g_free (line_text);
 782                 return FALSE;
 783         }
 784
 785         /* Get offset to start of search string */
 786         offset = g_utf8_strlen (line_text, found - line_text);
 787
 788         next = *start;
 789
 790         /* If match start needs to be returned, set it to the
 791          * start of the search string.
 792          */
 793         forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
 794         if (match_start)
 795         {
 796                 *match_start = next;
 797         }
 798
 799         /* Go to end of search string */
 800         forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
 801
 802         g_free (line_text);
 803
 804         ++lines;
 805
 806         if (match_end)
 807                 *match_end = next;
 808
 809         /* pass NULL for match_start, since we don't need to find the
 810          * start again.
 811          */
 812         return lines_match (&next, lines, visible_only, slice, NULL, match_end);
 813 }
 814
 815 /* strsplit () that retains the delimiter as part of the string. */
 816 static gchar **
 817 strbreakup (const char *string,
 818             const char *delimiter,
 819             gint        max_tokens)
 820 {
 821         GSList *string_list = NULL, *slist;
 822         gchar **str_array, *s, *casefold, *new_string;
 823         guint i, n = 1;
 824
 825         g_return_val_if_fail (string != NULL, NULL);
 826         g_return_val_if_fail (delimiter != NULL, NULL);
 827
 828         if (max_tokens < 1)
 829                 max_tokens = G_MAXINT;
 830
 831         s = strstr (string, delimiter);
 832         if (s)
 833         {
 834                 guint delimiter_len = strlen (delimiter);
 835
 836                 do
 837                 {
 838                         guint len;
 839
 840                         len = s - string + delimiter_len;
 841                         new_string = g_new (gchar, len + 1);
 842                         strncpy (new_string, string, len);
 843                         new_string[len] = 0;
 844                         casefold = g_utf8_casefold (new_string, -1);
 845                         g_free (new_string);
 846                         new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 847                         g_free (casefold);
 848                         string_list = g_slist_prepend (string_list, new_string);
 849                         n++;
 850                         string = s + delimiter_len;
 851                         s = strstr (string, delimiter);
 852                 } while (--max_tokens && s);
 853         }
 854
 855         if (*string)
 856         {
 857                 n++;
 858                 casefold = g_utf8_casefold (string, -1);
 859                 new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 860                 g_free (casefold);
 861                 string_list = g_slist_prepend (string_list, new_string);
 862         }
 863
 864         str_array = g_new (gchar*, n);
 865
 866         i = n - 1;
 867
 868         str_array[i--] = NULL;
 869         for (slist = string_list; slist; slist = slist->next)
 870                 str_array[i--] = slist->data;
 871
 872         g_slist_free (string_list);
 873
 874         return str_array;
 875 }
 876
 877 gboolean
 878 empathy_text_iter_forward_search (const GtkTextIter   *iter,
 879                                  const gchar         *str,
 880                                  GtkTextIter         *match_start,
 881                                  GtkTextIter         *match_end,
 882                                  const GtkTextIter   *limit)
 883 {
 884         gchar **lines = NULL;
 885         GtkTextIter match;
 886         gboolean retval = FALSE;
 887         GtkTextIter search;
 888         gboolean visible_only;
 889         gboolean slice;
 890
 891         g_return_val_if_fail (iter != NULL, FALSE);
 892         g_return_val_if_fail (str != NULL, FALSE);
 893
 894         if (limit && gtk_text_iter_compare (iter, limit) >= 0)
 895                 return FALSE;
 896
 897         if (*str == '\0') {
 898                 /* If we can move one char, return the empty string there */
 899                 match = *iter;
 900
 901                 if (gtk_text_iter_forward_char (&match)) {
 902                         if (limit && gtk_text_iter_equal (&match, limit)) {
 903                                 return FALSE;
 904                         }
 905
 906                         if (match_start) {
 907                                 *match_start = match;
 908                         }
 909                         if (match_end) {
 910                                 *match_end = match;
 911                         }
 912                         return TRUE;
 913                 } else {
 914                         return FALSE;
 915                 }
 916         }
 917
 918         visible_only = TRUE;
 919         slice = FALSE;
 920
 921         /* locate all lines */
 922         lines = strbreakup (str, "\n", -1);
 923
 924         search = *iter;
 925
 926         do {
 927                 /* This loop has an inefficient worst-case, where
 928                  * gtk_text_iter_get_text () is called repeatedly on
 929                  * a single line.
 930                  */
 931                 GtkTextIter end;
 932
 933                 if (limit && gtk_text_iter_compare (&search, limit) >= 0) {
 934                         break;
 935                 }
 936
 937                 if (lines_match (&search, (const gchar**)lines,
 938                                  visible_only, slice, &match, &end)) {
 939                         if (limit == NULL ||
 940                             (limit && gtk_text_iter_compare (&end, limit) <= 0)) {
 941                                 retval = TRUE;
 942
 943                                 if (match_start) {
 944                                         *match_start = match;
 945                                 }
 946                                 if (match_end) {
 947                                         *match_end = end;
 948                                 }
 949                         }
 950                         break;
 951                 }
 952         } while (gtk_text_iter_forward_line (&search));
 953
 954         g_strfreev ((gchar**)lines);
 955
 956         return retval;
 957 }
 958
 959 static const gchar *
 960 g_utf8_strrcasestr (const gchar *haystack, const gchar *needle)
 961 {
 962         gsize needle_len;
 963         gsize haystack_len;
 964         const gchar *ret = NULL;
 965         gchar *p;
 966         gchar *casefold;
 967         gchar *caseless_haystack;
 968         gint i;
 969
 970         g_return_val_if_fail (haystack != NULL, NULL);
 971         g_return_val_if_fail (needle != NULL, NULL);
 972
 973         casefold = g_utf8_casefold (haystack, -1);
 974         caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 975         g_free (casefold);
 976
 977         needle_len = g_utf8_strlen (needle, -1);
 978         haystack_len = g_utf8_strlen (caseless_haystack, -1);
 979
 980         if (needle_len == 0)
 981         {
 982                 ret = (gchar *)haystack;
 983                 goto finally_1;
 984         }
 985
 986         if (haystack_len < needle_len)
 987         {
 988                 ret = NULL;
 989                 goto finally_1;
 990         }
 991
 992         i = haystack_len - needle_len;
 993         p = g_utf8_offset_to_pointer (caseless_haystack, i);
 994         needle_len = strlen (needle);
 995
 996         while (p >= caseless_haystack)
 997         {
 998                 if (strncmp (p, needle, needle_len) == 0)
 999                 {
1000                         ret = pointer_from_offset_skipping_decomp (haystack, i);
1001                         goto finally_1;
1002                 }
1003
1004                 p = g_utf8_prev_char (p);
1005                 i--;
1006         }
1007
1008 finally_1:
1009         g_free (caseless_haystack);
1010
1011         return ret;
1012 }
1013
1014 static gboolean
1015 backward_lines_match (const GtkTextIter *start,
1016                       const gchar      **lines,
1017                       gboolean           visible_only,
1018                       gboolean           slice,
1019                       GtkTextIter       *match_start,
1020                       GtkTextIter       *match_end)
1021 {
1022         GtkTextIter line, next;
1023         gchar *line_text;
1024         const gchar *found;
1025         gint offset;
1026
1027         if (*lines == NULL || **lines == '\0')
1028         {
1029                 if (match_start)
1030                         *match_start = *start;
1031                 if (match_end)
1032                         *match_end = *start;
1033                 return TRUE;
1034         }
1035
1036         line = next = *start;
1037         if (gtk_text_iter_get_line_offset (&next) == 0)
1038         {
1039                 if (!gtk_text_iter_backward_line (&next))
1040                         return FALSE;
1041         }
1042         else
1043                 gtk_text_iter_set_line_offset (&next, 0);
1044
1045         if (slice)
1046         {
1047                 if (visible_only)
1048                         line_text = gtk_text_iter_get_visible_slice (&next, &line);
1049                 else
1050                         line_text = gtk_text_iter_get_slice (&next, &line);
1051         }
1052         else
1053         {
1054                 if (visible_only)
1055                         line_text = gtk_text_iter_get_visible_text (&next, &line);
1056                 else
1057                         line_text = gtk_text_iter_get_text (&next, &line);
1058         }
1059
1060         if (match_start) /* if this is the first line we're matching */
1061         {
1062                 found = g_utf8_strrcasestr (line_text, *lines);
1063         }
1064         else
1065         {
1066                 /* If it's not the first line, we have to match from the
1067                  * start of the line.
1068                  */
1069                 if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
1070                                            strlen (*lines)))
1071                         found = line_text;
1072                 else
1073                         found = NULL;
1074         }
1075
1076         if (found == NULL)
1077         {
1078                 g_free (line_text);
1079                 return FALSE;
1080         }
1081
1082         /* Get offset to start of search string */
1083         offset = g_utf8_strlen (line_text, found - line_text);
1084
1085         forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
1086
1087         /* If match start needs to be returned, set it to the
1088          * start of the search string.
1089          */
1090         if (match_start)
1091         {
1092                 *match_start = next;
1093         }
1094
1095         /* Go to end of search string */
1096         forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
1097
1098         g_free (line_text);
1099
1100         ++lines;
1101
1102         if (match_end)
1103                 *match_end = next;
1104
1105         /* try to match the rest of the lines forward, passing NULL
1106          * for match_start so lines_match will try to match the entire
1107          * line */
1108         return lines_match (&next, lines, visible_only,
1109                             slice, NULL, match_end);
1110 }
1111
1112 gboolean
1113 empathy_text_iter_backward_search (const GtkTextIter   *iter,
1114                                   const gchar         *str,
1115                                   GtkTextIter         *match_start,
1116                                   GtkTextIter         *match_end,
1117                                   const GtkTextIter   *limit)
1118 {
1119         gchar **lines = NULL;
1120         GtkTextIter match;
1121         gboolean retval = FALSE;
1122         GtkTextIter search;
1123         gboolean visible_only;
1124         gboolean slice;
1125
1126         g_return_val_if_fail (iter != NULL, FALSE);
1127         g_return_val_if_fail (str != NULL, FALSE);
1128
1129         if (limit && gtk_text_iter_compare (iter, limit) <= 0)
1130                 return FALSE;
1131
1132         if (*str == '\0')
1133         {
1134                 /* If we can move one char, return the empty string there */
1135                 match = *iter;
1136
1137                 if (gtk_text_iter_backward_char (&match))
1138                 {
1139                         if (limit && gtk_text_iter_equal (&match, limit))
1140                                 return FALSE;
1141
1142                         if (match_start)
1143                                 *match_start = match;
1144                         if (match_end)
1145                                 *match_end = match;
1146                         return TRUE;
1147                 }
1148                 else
1149                 {
1150                         return FALSE;
1151                 }
1152         }
1153
1154         visible_only = TRUE;
1155         slice = TRUE;
1156
1157         /* locate all lines */
1158         lines = strbreakup (str, "\n", -1);
1159
1160         search = *iter;
1161
1162         while (TRUE)
1163         {
1164                 /* This loop has an inefficient worst-case, where
1165                  * gtk_text_iter_get_text () is called repeatedly on
1166                  * a single line.
1167                  */
1168                 GtkTextIter end;
1169
1170                 if (limit && gtk_text_iter_compare (&search, limit) <= 0)
1171                         break;
1172
1173                 if (backward_lines_match (&search, (const gchar**)lines,
1174                                           visible_only, slice, &match, &end))
1175                 {
1176                         if (limit == NULL || (limit &&
1177                                               gtk_text_iter_compare (&end, limit) > 0))
1178                         {
1179                                 retval = TRUE;
1180
1181                                 if (match_start)
1182                                         *match_start = match;
1183                                 if (match_end)
1184                                         *match_end = end;
1185                         }
1186                         break;
1187                 }
1188
1189                 if (gtk_text_iter_get_line_offset (&search) == 0)
1190                 {
1191                         if (!gtk_text_iter_backward_line (&search))
1192                                 break;
1193                 }
1194                 else
1195                 {
1196                         gtk_text_iter_set_line_offset (&search, 0);
1197                 }
1198         }
1199
1200         g_strfreev ((gchar**)lines);
1201
1202         return retval;
1203 }
1204
1205 gboolean
1206 empathy_window_get_is_visible (GtkWindow *window)
1207 {
1208         GdkWindowState  state;
1209         GdkWindow      *gdk_window;
1210
1211         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
1212
1213         gdk_window = GTK_WIDGET (window)->window;
1214         if (!gdk_window) {
1215                 return FALSE;
1216         }
1217
1218         state = gdk_window_get_state (gdk_window);
1219         if (state & (GDK_WINDOW_STATE_WITHDRAWN | GDK_WINDOW_STATE_ICONIFIED)) {
1220                 return FALSE;
1221         }
1222
1223         return TRUE;
1224 }
1225
1226 void
1227 empathy_window_iconify (GtkWindow *window, GtkStatusIcon *status_icon)
1228 {
1229         GdkRectangle  icon_location;
1230         gulong        data[4];
1231         Display      *dpy;
1232         GdkWindow    *gdk_window;
1233
1234         gtk_status_icon_get_geometry (status_icon, NULL, &icon_location, NULL);
1235         gdk_window = GTK_WIDGET (window)->window;
1236         dpy = gdk_x11_drawable_get_xdisplay (gdk_window);
1237
1238         data[0] = icon_location.x;
1239         data[1] = icon_location.y;
1240         data[2] = icon_location.width;
1241         data[3] = icon_location.height;
1242
1243         XChangeProperty (dpy,
1244                          GDK_WINDOW_XID (gdk_window),
1245                          gdk_x11_get_xatom_by_name_for_display (gdk_drawable_get_display (gdk_window),
1246                          "_NET_WM_ICON_GEOMETRY"),
1247                          XA_CARDINAL, 32, PropModeReplace,
1248                          (guchar *)&data, 4);
1249
1250         gtk_window_set_skip_taskbar_hint (window, TRUE);
1251         gtk_window_iconify (window);
1252 }
1253
1254 /* Takes care of moving the window to the current workspace. */
1255 void
1256 empathy_window_present (GtkWindow *window,
1257                         gboolean   steal_focus)
1258 {
1259         guint32 timestamp;
1260
1261         g_return_if_fail (GTK_IS_WINDOW (window));
1262
1263         /* There are three cases: hidden, visible, visible on another
1264          * workspace.
1265          */
1266
1267         if (!empathy_window_get_is_visible (window)) {
1268                 /* Hide it so present brings it to the current workspace. */
1269                 gtk_widget_hide (GTK_WIDGET (window));
1270         }
1271
1272         timestamp = gtk_get_current_event_time ();
1273         gtk_window_set_skip_taskbar_hint (window, FALSE);
1274         gtk_window_present_with_time (window, timestamp);
1275         /* FIXME: This shouldn't be required as gtk_window_present's doc says
1276          *        it deiconify automatically. */
1277         gtk_window_deiconify (window);
1278 }
1279
1280 GtkWindow *
1281 empathy_get_toplevel_window (GtkWidget *widget)
1282 {
1283         GtkWidget *toplevel;
1284
1285         g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
1286
1287         toplevel = gtk_widget_get_toplevel (widget);
1288         if (GTK_IS_WINDOW (toplevel) &&
1289             GTK_WIDGET_TOPLEVEL (toplevel)) {
1290                 return GTK_WINDOW (toplevel);
1291         }
1292
1293         return NULL;
1294 }
1295
1296 /* The URL opening code can't handle schemeless strings, so we try to be
1297  * smart and add http if there is no scheme or doesn't look like a mail
1298  * address. This should work in most cases, and let us click on strings
1299  * like "www.gnome.org".
1300  */
1301 static gchar *
1302 fixup_url (const gchar *url)
1303 {
1304         if (g_str_has_prefix (url, "ghelp:") ||
1305             g_str_has_prefix (url, "mailto:") ||
1306             strstr (url, ":/")) {
1307                 return NULL;
1308         }
1309
1310         if (strstr (url, "@")) {
1311                 return g_strdup_printf ("mailto:%s", url);
1312         }
1313
1314         return g_strdup_printf ("http://%s", url);
1315 }
1316
1317 void
1318 empathy_url_show (GtkWidget *parent,
1319                   const char *url)
1320 {
1321         gchar  *real_url;
1322         GError *error = NULL;
1323
1324         real_url = fixup_url (url);
1325         if (real_url) {
1326                 url = real_url;
1327         }
1328
1329         gtk_show_uri (gtk_widget_get_screen (parent), url,
1330                       gtk_get_current_event_time (), &error);
1331
1332         if (error) {
1333                 GtkWidget *dialog;
1334
1335                 dialog = gtk_message_dialog_new (NULL, 0,
1336                                                  GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
1337                                                  _("Unable to open URI"));
1338                 gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
1339                                                           "%s", error->message);
1340
1341                 g_signal_connect (dialog, "response",
1342                                   G_CALLBACK (gtk_widget_destroy),
1343                                   NULL);
1344                 gtk_window_present (GTK_WINDOW (dialog));
1345
1346                 g_clear_error (&error);
1347         }
1348
1349         g_free (real_url);
1350 }
1351
1352 static void
1353 link_button_hook (GtkLinkButton *button,
1354                   const gchar *link,
1355                   gpointer user_data)
1356 {
1357         empathy_url_show (GTK_WIDGET (button), link);
1358 }
1359
1360 GtkWidget *
1361 empathy_link_button_new (const gchar *url,
1362                         const gchar *title)
1363 {
1364         static gboolean hook = FALSE;
1365
1366         if (!hook) {
1367                 hook = TRUE;
1368                 gtk_link_button_set_uri_hook (link_button_hook, NULL, NULL);
1369         }
1370
1371         return gtk_link_button_new_with_label (url, title);
1372 }
1373
1374 void
1375 empathy_toggle_button_set_state_quietly (GtkWidget *widget,
1376                                         GCallback  callback,
1377                                         gpointer   user_data,
1378                                         gboolean   active)
1379 {
1380         g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
1381
1382         g_signal_handlers_block_by_func (widget, callback, user_data);
1383         g_object_set (widget, "active", active, NULL);
1384         g_signal_handlers_unblock_by_func (widget, callback, user_data);
1385 }
1386
1387 /* Sending files with the file chooser */
1388
1389 static void
1390 file_manager_send_file_request_cb (EmpathyDispatchOperation *operation,
1391                                    const GError *error, gpointer user_data)
1392 {
1393         GFile *file = (GFile *)user_data;
1394         EmpathyTpFile *tp_file;
1395
1396         if (error != NULL) {
1397                 DEBUG ("Couldn't request channel: %s", error->message);
1398                 g_object_unref (file);
1399                 return;
1400         }
1401
1402         DEBUG ("Starting to send file");
1403
1404         tp_file = EMPATHY_TP_FILE (
1405                 empathy_dispatch_operation_get_channel_wrapper (operation));
1406
1407         empathy_tp_file_offer (tp_file, file, NULL);
1408
1409         g_object_unref (file);
1410 }
1411
1412 static void
1413 file_manager_send_file_response_cb (GtkDialog      *widget,
1414                                     gint            response_id,
1415                                     EmpathyContact *contact)
1416 {
1417         if (response_id == GTK_RESPONSE_OK) {
1418                 GSList *list;
1419                 GSList *l;
1420
1421                 list = gtk_file_chooser_get_uris (GTK_FILE_CHOOSER (widget));
1422
1423                 DEBUG ("File chooser selected files:");
1424
1425                 for (l = list; l; l = l->next) {
1426                         gchar            *uri;
1427                         GFile            *gfile;
1428                         GFileInfo        *info;
1429                         GtkRecentManager *manager;
1430                         gchar *filename;
1431                         GTimeVal mtime;
1432                         GError *error = NULL;
1433
1434                         uri = l->data;
1435                         gfile = g_file_new_for_uri (uri);
1436                         info = g_file_query_info (gfile,
1437                                 G_FILE_ATTRIBUTE_STANDARD_SIZE ","
1438                                 G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE ","
1439                                 G_FILE_ATTRIBUTE_TIME_MODIFIED,
1440                                 0, NULL, &error);
1441
1442                         if (error) {
1443                                 DEBUG ("Can't get info about the file: %s", error->message);
1444                                 g_clear_error (&error);
1445                                 g_object_unref (gfile);
1446                                 continue;
1447                         }
1448
1449                         DEBUG ("\t%s", uri);
1450                         filename = g_file_get_basename (gfile);
1451                         g_file_info_get_modification_time (info, &mtime);
1452
1453                         empathy_dispatcher_send_file_to_contact (contact,
1454                                 filename, g_file_info_get_size (info), mtime.tv_sec,
1455                                 g_file_info_get_content_type (info),
1456                                 file_manager_send_file_request_cb, gfile);
1457
1458                         g_free (filename);
1459                         g_object_unref (info);
1460
1461                         manager = gtk_recent_manager_get_default ();
1462                         gtk_recent_manager_add_item (manager, uri);
1463
1464                         g_free (uri);
1465                 }
1466                 g_slist_free (list);
1467         }
1468
1469         gtk_widget_destroy (GTK_WIDGET (widget));
1470 }
1471
1472 void
1473 empathy_send_file_with_file_chooser (EmpathyContact *contact)
1474 {
1475         GtkWidget               *widget;
1476         GtkWidget               *button;
1477
1478         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
1479
1480         DEBUG ("Creating selection file chooser");
1481
1482         widget = gtk_file_chooser_dialog_new (_("Select a file"),
1483                                               NULL,
1484                                               GTK_FILE_CHOOSER_ACTION_OPEN,
1485                                               GTK_STOCK_CANCEL,
1486                                               GTK_RESPONSE_CANCEL,
1487                                               NULL);
1488
1489         /* send button */
1490         button = gtk_button_new_with_mnemonic (_("_Send"));
1491         gtk_button_set_image (GTK_BUTTON (button),
1492                 gtk_image_new_from_icon_name (EMPATHY_IMAGE_DOCUMENT_SEND,
1493                                               GTK_ICON_SIZE_BUTTON));
1494         gtk_widget_show (button);
1495         gtk_dialog_add_action_widget (GTK_DIALOG (widget), button,
1496                                       GTK_RESPONSE_OK);
1497         GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
1498         gtk_dialog_set_default_response (GTK_DIALOG (widget),
1499                                          GTK_RESPONSE_OK);
1500
1501         g_signal_connect (widget, "response",
1502                           G_CALLBACK (file_manager_send_file_response_cb),
1503                           contact);
1504
1505         gtk_widget_show (widget);
1506 }
1507
1508 typedef struct {
1509         EmpathySound sound_id;
1510         const char * event_ca_id;
1511         const char * event_ca_description;
1512         const char * gconf_key;
1513 } EmpathySoundEntry;
1514
1515 /* NOTE: these entries MUST be in the same order than EmpathySound enum */
1516 static EmpathySoundEntry sound_entries[LAST_EMPATHY_SOUND] = {
1517         { EMPATHY_SOUND_MESSAGE_INCOMING, "message-new-instant",
1518           N_("Received an instant message"), EMPATHY_PREFS_SOUNDS_INCOMING_MESSAGE } ,
1519         { EMPATHY_SOUND_MESSAGE_OUTGOING, "message-sent-instant",
1520           N_("Sent an instant message"), EMPATHY_PREFS_SOUNDS_OUTGOING_MESSAGE } ,
1521         { EMPATHY_SOUND_CONVERSATION_NEW, "message-new-instant",
1522           N_("Incoming chat request"), EMPATHY_PREFS_SOUNDS_NEW_CONVERSATION },
1523         { EMPATHY_SOUND_CONTACT_CONNECTED, "service-login",
1524           N_("Contact connected"), EMPATHY_PREFS_SOUNDS_CONTACT_LOGIN },
1525         { EMPATHY_SOUND_CONTACT_DISCONNECTED, "service-logout",
1526           N_("Contact disconnected"), EMPATHY_PREFS_SOUNDS_CONTACT_LOGOUT },
1527         { EMPATHY_SOUND_ACCOUNT_CONNECTED, "service-login",
1528           N_("Connected to server"), EMPATHY_PREFS_SOUNDS_SERVICE_LOGIN },
1529         { EMPATHY_SOUND_ACCOUNT_DISCONNECTED, "service-logout",
1530           N_("Disconnected from server"), EMPATHY_PREFS_SOUNDS_SERVICE_LOGOUT },
1531         { EMPATHY_SOUND_PHONE_INCOMING, "phone-incoming-call",
1532           N_("Incoming voice call"), NULL },
1533         { EMPATHY_SOUND_PHONE_OUTGOING, "phone-outgoing-calling",
1534           N_("Outgoing voice call"), NULL },
1535         { EMPATHY_SOUND_PHONE_HANGUP, "phone-hangup",
1536           N_("Voice call ended"), NULL },
1537 };
1538
1539
1540 static gboolean
1541 empathy_sound_pref_is_enabled (const char *key)
1542 {
1543         EmpathyConf *conf;
1544         gboolean res;
1545
1546         conf = empathy_conf_get ();
1547         res = FALSE;
1548
1549         empathy_conf_get_bool (conf, EMPATHY_PREFS_SOUNDS_ENABLED, &res);
1550
1551         if (!res) {
1552                 return FALSE;
1553         }
1554
1555         if (!empathy_check_available_state ()) {
1556                 empathy_conf_get_bool (conf, EMPATHY_PREFS_SOUNDS_DISABLED_AWAY,
1557                                        &res);
1558                 if (res) {
1559                         return FALSE;
1560                 }
1561         }
1562
1563         empathy_conf_get_bool (conf, key, &res);
1564
1565         return res;
1566 }
1567
1568 void
1569 empathy_sound_stop (EmpathySound sound_id)
1570 {
1571         EmpathySoundEntry *entry;
1572
1573         g_return_if_fail (sound_id < LAST_EMPATHY_SOUND);
1574
1575         entry = &(sound_entries[sound_id]);
1576         g_return_if_fail (entry->sound_id == sound_id);
1577
1578         ca_context_cancel (ca_gtk_context_get (), entry->sound_id);
1579 }
1580
1581
1582 gboolean
1583 empathy_sound_play_full (GtkWidget *widget, EmpathySound sound_id,
1584         ca_finish_callback_t callback, gpointer user_data)
1585 {
1586         EmpathySoundEntry *entry;
1587         gboolean should_play = TRUE;
1588         ca_proplist *p = NULL;
1589         ca_context *c;
1590
1591         g_return_val_if_fail (sound_id < LAST_EMPATHY_SOUND, FALSE);
1592
1593         entry = &(sound_entries[sound_id]);
1594         g_return_val_if_fail (entry->sound_id == sound_id, FALSE);
1595
1596         if (entry->gconf_key != NULL) {
1597                 should_play = empathy_sound_pref_is_enabled (entry->gconf_key);
1598         }
1599
1600         if (!should_play)
1601                 return FALSE;
1602
1603         c = ca_gtk_context_get ();
1604         ca_context_cancel (c, entry->sound_id);
1605
1606         DEBUG ("Play sound \"%s\" (%s)",
1607                entry->event_ca_id,
1608                entry->event_ca_description);
1609
1610         if (ca_proplist_create(&p) < 0)
1611                 goto failed;
1612
1613         if (ca_proplist_sets (p, CA_PROP_EVENT_ID, entry->event_ca_id) < 0)
1614                 goto failed;
1615
1616         if (ca_proplist_sets (p, CA_PROP_EVENT_DESCRIPTION,
1617                         gettext (entry->event_ca_id)) < 0)
1618                 goto failed;
1619
1620         if (ca_gtk_proplist_set_for_widget (p, widget) < 0)
1621                 goto failed;
1622
1623         ca_context_play_full (ca_gtk_context_get (), entry->sound_id,
1624                 p, callback, user_data);
1625
1626         ca_proplist_destroy (p);
1627
1628         return TRUE;
1629
1630 failed:
1631         if (p != NULL)
1632                 ca_proplist_destroy (p);
1633
1634         return FALSE;
1635 }
1636
1637 void
1638 empathy_sound_play (GtkWidget *widget, EmpathySound sound_id)
1639 {
1640         empathy_sound_play_full (widget, sound_id, NULL, NULL);
1641 }
1642