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 gchar *
 562 empathy_filename_from_icon_name (const gchar *icon_name,
 563                                  GtkIconSize  icon_size)
 564 {
 565         GtkIconTheme *icon_theme;
 566         GtkIconInfo  *icon_info;
 567         gint          w, h;
 568         gint          size = 48;
 569         gchar        *ret;
 570
 571         icon_theme = gtk_icon_theme_get_default ();
 572
 573         if (gtk_icon_size_lookup (icon_size, &w, &h)) {
 574                 size = (w + h) / 2;
 575         }
 576
 577         icon_info = gtk_icon_theme_lookup_icon (icon_theme, icon_name, size, 0);
 578         ret = g_strdup (gtk_icon_info_get_filename (icon_info));
 579         gtk_icon_info_free (icon_info);
 580
 581         return ret;
 582 }
 583
 584 /* Stolen from GtkSourceView, hence the weird intendation. Please keep it like
 585  * that to make it easier to apply changes from the original code.
 586  */
 587 #define GTK_TEXT_UNKNOWN_CHAR 0xFFFC
 588
 589 /* this function acts like g_utf8_offset_to_pointer() except that if it finds a
 590  * decomposable character it consumes the decomposition length from the given
 591  * offset.  So it's useful when the offset was calculated for the normalized
 592  * version of str, but we need a pointer to str itself. */
 593 static const gchar *
 594 pointer_from_offset_skipping_decomp (const gchar *str, gint offset)
 595 {
 596         gchar *casefold, *normal;
 597         const gchar *p, *q;
 598
 599         p = str;
 600         while (offset > 0)
 601         {
 602                 q = g_utf8_next_char (p);
 603                 casefold = g_utf8_casefold (p, q - p);
 604                 normal = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 605                 offset -= g_utf8_strlen (normal, -1);
 606                 g_free (casefold);
 607                 g_free (normal);
 608                 p = q;
 609         }
 610         return p;
 611 }
 612
 613 static const gchar *
 614 g_utf8_strcasestr (const gchar *haystack, const gchar *needle)
 615 {
 616         gsize needle_len;
 617         gsize haystack_len;
 618         const gchar *ret = NULL;
 619         gchar *p;
 620         gchar *casefold;
 621         gchar *caseless_haystack;
 622         gint i;
 623
 624         g_return_val_if_fail (haystack != NULL, NULL);
 625         g_return_val_if_fail (needle != NULL, NULL);
 626
 627         casefold = g_utf8_casefold (haystack, -1);
 628         caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 629         g_free (casefold);
 630
 631         needle_len = g_utf8_strlen (needle, -1);
 632         haystack_len = g_utf8_strlen (caseless_haystack, -1);
 633
 634         if (needle_len == 0)
 635         {
 636                 ret = (gchar *) haystack;
 637                 goto finally_1;
 638         }
 639
 640         if (haystack_len < needle_len)
 641         {
 642                 ret = NULL;
 643                 goto finally_1;
 644         }
 645
 646         p = (gchar *) caseless_haystack;
 647         needle_len = strlen (needle);
 648         i = 0;
 649
 650         while (*p)
 651         {
 652                 if ((strncmp (p, needle, needle_len) == 0))
 653                 {
 654                         ret = pointer_from_offset_skipping_decomp (haystack, i);
 655                         goto finally_1;
 656                 }
 657
 658                 p = g_utf8_next_char (p);
 659                 i++;
 660         }
 661
 662 finally_1:
 663         g_free (caseless_haystack);
 664
 665         return ret;
 666 }
 667
 668 static gboolean
 669 g_utf8_caselessnmatch (const char *s1, const char *s2,
 670                        gssize n1, gssize n2)
 671 {
 672         gchar *casefold;
 673         gchar *normalized_s1;
 674         gchar *normalized_s2;
 675         gint len_s1;
 676         gint len_s2;
 677         gboolean ret = FALSE;
 678
 679         g_return_val_if_fail (s1 != NULL, FALSE);
 680         g_return_val_if_fail (s2 != NULL, FALSE);
 681         g_return_val_if_fail (n1 > 0, FALSE);
 682         g_return_val_if_fail (n2 > 0, FALSE);
 683
 684         casefold = g_utf8_casefold (s1, n1);
 685         normalized_s1 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 686         g_free (casefold);
 687
 688         casefold = g_utf8_casefold (s2, n2);
 689         normalized_s2 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 690         g_free (casefold);
 691
 692         len_s1 = strlen (normalized_s1);
 693         len_s2 = strlen (normalized_s2);
 694
 695         if (len_s1 < len_s2)
 696                 goto finally_2;
 697
 698         ret = (strncmp (normalized_s1, normalized_s2, len_s2) == 0);
 699
 700 finally_2:
 701         g_free (normalized_s1);
 702         g_free (normalized_s2);
 703
 704         return ret;
 705 }
 706
 707 static void
 708 forward_chars_with_skipping (GtkTextIter *iter,
 709                              gint         count,
 710                              gboolean     skip_invisible,
 711                              gboolean     skip_nontext,
 712                              gboolean     skip_decomp)
 713 {
 714         gint i;
 715
 716         g_return_if_fail (count >= 0);
 717
 718         i = count;
 719
 720         while (i > 0)
 721         {
 722                 gboolean ignored = FALSE;
 723
 724                 /* minimal workaround to avoid the infinite loop of bug #168247.
 725                  * It doesn't fix the problemjust the symptom...
 726                  */
 727                 if (gtk_text_iter_is_end (iter))
 728                         return;
 729
 730                 if (skip_nontext && gtk_text_iter_get_char (iter) == GTK_TEXT_UNKNOWN_CHAR)
 731                         ignored = TRUE;
 732
 733                 if (!ignored && skip_invisible &&
 734                     /* _gtk_text_btree_char_is_invisible (iter)*/ FALSE)
 735                         ignored = TRUE;
 736
 737                 if (!ignored && skip_decomp)
 738                 {
 739                         /* being UTF8 correct sucks; this accounts for extra
 740                            offsets coming from canonical decompositions of
 741                            UTF8 characters (e.g. accented characters) which
 742                            g_utf8_normalize () performs */
 743                         gchar *normal;
 744                         gchar buffer[6];
 745                         gint buffer_len;
 746
 747                         buffer_len = g_unichar_to_utf8 (gtk_text_iter_get_char (iter), buffer);
 748                         normal = g_utf8_normalize (buffer, buffer_len, G_NORMALIZE_NFD);
 749                         i -= (g_utf8_strlen (normal, -1) - 1);
 750                         g_free (normal);
 751                 }
 752
 753                 gtk_text_iter_forward_char (iter);
 754
 755                 if (!ignored)
 756                         --i;
 757         }
 758 }
 759
 760 static gboolean
 761 lines_match (const GtkTextIter *start,
 762              const gchar      **lines,
 763              gboolean           visible_only,
 764              gboolean           slice,
 765              GtkTextIter       *match_start,
 766              GtkTextIter       *match_end)
 767 {
 768         GtkTextIter next;
 769         gchar *line_text;
 770         const gchar *found;
 771         gint offset;
 772
 773         if (*lines == NULL || **lines == '\0')
 774         {
 775                 if (match_start)
 776                         *match_start = *start;
 777                 if (match_end)
 778                         *match_end = *start;
 779                 return TRUE;
 780         }
 781
 782         next = *start;
 783         gtk_text_iter_forward_line (&next);
 784
 785         /* No more text in buffer, but *lines is nonempty */
 786         if (gtk_text_iter_equal (start, &next))
 787                 return FALSE;
 788
 789         if (slice)
 790         {
 791                 if (visible_only)
 792                         line_text = gtk_text_iter_get_visible_slice (start, &next);
 793                 else
 794                         line_text = gtk_text_iter_get_slice (start, &next);
 795         }
 796         else
 797         {
 798                 if (visible_only)
 799                         line_text = gtk_text_iter_get_visible_text (start, &next);
 800                 else
 801                         line_text = gtk_text_iter_get_text (start, &next);
 802         }
 803
 804         if (match_start) /* if this is the first line we're matching */
 805         {
 806                 found = g_utf8_strcasestr (line_text, *lines);
 807         }
 808         else
 809         {
 810                 /* If it's not the first line, we have to match from the
 811                  * start of the line.
 812                  */
 813                 if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
 814                                            strlen (*lines)))
 815                         found = line_text;
 816                 else
 817                         found = NULL;
 818         }
 819
 820         if (found == NULL)
 821         {
 822                 g_free (line_text);
 823                 return FALSE;
 824         }
 825
 826         /* Get offset to start of search string */
 827         offset = g_utf8_strlen (line_text, found - line_text);
 828
 829         next = *start;
 830
 831         /* If match start needs to be returned, set it to the
 832          * start of the search string.
 833          */
 834         forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
 835         if (match_start)
 836         {
 837                 *match_start = next;
 838         }
 839
 840         /* Go to end of search string */
 841         forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
 842
 843         g_free (line_text);
 844
 845         ++lines;
 846
 847         if (match_end)
 848                 *match_end = next;
 849
 850         /* pass NULL for match_start, since we don't need to find the
 851          * start again.
 852          */
 853         return lines_match (&next, lines, visible_only, slice, NULL, match_end);
 854 }
 855
 856 /* strsplit () that retains the delimiter as part of the string. */
 857 static gchar **
 858 strbreakup (const char *string,
 859             const char *delimiter,
 860             gint        max_tokens)
 861 {
 862         GSList *string_list = NULL, *slist;
 863         gchar **str_array, *s, *casefold, *new_string;
 864         guint i, n = 1;
 865
 866         g_return_val_if_fail (string != NULL, NULL);
 867         g_return_val_if_fail (delimiter != NULL, NULL);
 868
 869         if (max_tokens < 1)
 870                 max_tokens = G_MAXINT;
 871
 872         s = strstr (string, delimiter);
 873         if (s)
 874         {
 875                 guint delimiter_len = strlen (delimiter);
 876
 877                 do
 878                 {
 879                         guint len;
 880
 881                         len = s - string + delimiter_len;
 882                         new_string = g_new (gchar, len + 1);
 883                         strncpy (new_string, string, len);
 884                         new_string[len] = 0;
 885                         casefold = g_utf8_casefold (new_string, -1);
 886                         g_free (new_string);
 887                         new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 888                         g_free (casefold);
 889                         string_list = g_slist_prepend (string_list, new_string);
 890                         n++;
 891                         string = s + delimiter_len;
 892                         s = strstr (string, delimiter);
 893                 } while (--max_tokens && s);
 894         }
 895
 896         if (*string)
 897         {
 898                 n++;
 899                 casefold = g_utf8_casefold (string, -1);
 900                 new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 901                 g_free (casefold);
 902                 string_list = g_slist_prepend (string_list, new_string);
 903         }
 904
 905         str_array = g_new (gchar*, n);
 906
 907         i = n - 1;
 908
 909         str_array[i--] = NULL;
 910         for (slist = string_list; slist; slist = slist->next)
 911                 str_array[i--] = slist->data;
 912
 913         g_slist_free (string_list);
 914
 915         return str_array;
 916 }
 917
 918 gboolean
 919 empathy_text_iter_forward_search (const GtkTextIter   *iter,
 920                                  const gchar         *str,
 921                                  GtkTextIter         *match_start,
 922                                  GtkTextIter         *match_end,
 923                                  const GtkTextIter   *limit)
 924 {
 925         gchar **lines = NULL;
 926         GtkTextIter match;
 927         gboolean retval = FALSE;
 928         GtkTextIter search;
 929         gboolean visible_only;
 930         gboolean slice;
 931
 932         g_return_val_if_fail (iter != NULL, FALSE);
 933         g_return_val_if_fail (str != NULL, FALSE);
 934
 935         if (limit && gtk_text_iter_compare (iter, limit) >= 0)
 936                 return FALSE;
 937
 938         if (*str == '\0') {
 939                 /* If we can move one char, return the empty string there */
 940                 match = *iter;
 941
 942                 if (gtk_text_iter_forward_char (&match)) {
 943                         if (limit && gtk_text_iter_equal (&match, limit)) {
 944                                 return FALSE;
 945                         }
 946
 947                         if (match_start) {
 948                                 *match_start = match;
 949                         }
 950                         if (match_end) {
 951                                 *match_end = match;
 952                         }
 953                         return TRUE;
 954                 } else {
 955                         return FALSE;
 956                 }
 957         }
 958
 959         visible_only = TRUE;
 960         slice = FALSE;
 961
 962         /* locate all lines */
 963         lines = strbreakup (str, "\n", -1);
 964
 965         search = *iter;
 966
 967         do {
 968                 /* This loop has an inefficient worst-case, where
 969                  * gtk_text_iter_get_text () is called repeatedly on
 970                  * a single line.
 971                  */
 972                 GtkTextIter end;
 973
 974                 if (limit && gtk_text_iter_compare (&search, limit) >= 0) {
 975                         break;
 976                 }
 977
 978                 if (lines_match (&search, (const gchar**)lines,
 979                                  visible_only, slice, &match, &end)) {
 980                         if (limit == NULL ||
 981                             (limit && gtk_text_iter_compare (&end, limit) <= 0)) {
 982                                 retval = TRUE;
 983
 984                                 if (match_start) {
 985                                         *match_start = match;
 986                                 }
 987                                 if (match_end) {
 988                                         *match_end = end;
 989                                 }
 990                         }
 991                         break;
 992                 }
 993         } while (gtk_text_iter_forward_line (&search));
 994
 995         g_strfreev ((gchar **) lines);
 996
 997         return retval;
 998 }
 999
1000 static const gchar *
1001 g_utf8_strrcasestr (const gchar *haystack, const gchar *needle)
1002 {
1003         gsize needle_len;
1004         gsize haystack_len;
1005         const gchar *ret = NULL;
1006         gchar *p;
1007         gchar *casefold;
1008         gchar *caseless_haystack;
1009         gint i;
1010
1011         g_return_val_if_fail (haystack != NULL, NULL);
1012         g_return_val_if_fail (needle != NULL, NULL);
1013
1014         casefold = g_utf8_casefold (haystack, -1);
1015         caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
1016         g_free (casefold);
1017
1018         needle_len = g_utf8_strlen (needle, -1);
1019         haystack_len = g_utf8_strlen (caseless_haystack, -1);
1020
1021         if (needle_len == 0)
1022         {
1023                 ret = (gchar *) haystack;
1024                 goto finally_1;
1025         }
1026
1027         if (haystack_len < needle_len)
1028         {
1029                 ret = NULL;
1030                 goto finally_1;
1031         }
1032
1033         i = haystack_len - needle_len;
1034         p = g_utf8_offset_to_pointer (caseless_haystack, i);
1035         needle_len = strlen (needle);
1036
1037         while (p >= caseless_haystack)
1038         {
1039                 if (strncmp (p, needle, needle_len) == 0)
1040                 {
1041                         ret = pointer_from_offset_skipping_decomp (haystack, i);
1042                         goto finally_1;
1043                 }
1044
1045                 p = g_utf8_prev_char (p);
1046                 i--;
1047         }
1048
1049 finally_1:
1050         g_free (caseless_haystack);
1051
1052         return ret;
1053 }
1054
1055 static gboolean
1056 backward_lines_match (const GtkTextIter *start,
1057                       const gchar      **lines,
1058                       gboolean           visible_only,
1059                       gboolean           slice,
1060                       GtkTextIter       *match_start,
1061                       GtkTextIter       *match_end)
1062 {
1063         GtkTextIter line, next;
1064         gchar *line_text;
1065         const gchar *found;
1066         gint offset;
1067
1068         if (*lines == NULL || **lines == '\0')
1069         {
1070                 if (match_start)
1071                         *match_start = *start;
1072                 if (match_end)
1073                         *match_end = *start;
1074                 return TRUE;
1075         }
1076
1077         line = next = *start;
1078         if (gtk_text_iter_get_line_offset (&next) == 0)
1079         {
1080                 if (!gtk_text_iter_backward_line (&next))
1081                         return FALSE;
1082         }
1083         else
1084                 gtk_text_iter_set_line_offset (&next, 0);
1085
1086         if (slice)
1087         {
1088                 if (visible_only)
1089                         line_text = gtk_text_iter_get_visible_slice (&next, &line);
1090                 else
1091                         line_text = gtk_text_iter_get_slice (&next, &line);
1092         }
1093         else
1094         {
1095                 if (visible_only)
1096                         line_text = gtk_text_iter_get_visible_text (&next, &line);
1097                 else
1098                         line_text = gtk_text_iter_get_text (&next, &line);
1099         }
1100
1101         if (match_start) /* if this is the first line we're matching */
1102         {
1103                 found = g_utf8_strrcasestr (line_text, *lines);
1104         }
1105         else
1106         {
1107                 /* If it's not the first line, we have to match from the
1108                  * start of the line.
1109                  */
1110                 if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
1111                                            strlen (*lines)))
1112                         found = line_text;
1113                 else
1114                         found = NULL;
1115         }
1116
1117         if (found == NULL)
1118         {
1119                 g_free (line_text);
1120                 return FALSE;
1121         }
1122
1123         /* Get offset to start of search string */
1124         offset = g_utf8_strlen (line_text, found - line_text);
1125
1126         forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
1127
1128         /* If match start needs to be returned, set it to the
1129          * start of the search string.
1130          */
1131         if (match_start)
1132         {
1133                 *match_start = next;
1134         }
1135
1136         /* Go to end of search string */
1137         forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
1138
1139         g_free (line_text);
1140
1141         ++lines;
1142
1143         if (match_end)
1144                 *match_end = next;
1145
1146         /* try to match the rest of the lines forward, passing NULL
1147          * for match_start so lines_match will try to match the entire
1148          * line */
1149         return lines_match (&next, lines, visible_only,
1150                             slice, NULL, match_end);
1151 }
1152
1153 gboolean
1154 empathy_text_iter_backward_search (const GtkTextIter   *iter,
1155                                   const gchar         *str,
1156                                   GtkTextIter         *match_start,
1157                                   GtkTextIter         *match_end,
1158                                   const GtkTextIter   *limit)
1159 {
1160         gchar **lines = NULL;
1161         GtkTextIter match;
1162         gboolean retval = FALSE;
1163         GtkTextIter search;
1164         gboolean visible_only;
1165         gboolean slice;
1166
1167         g_return_val_if_fail (iter != NULL, FALSE);
1168         g_return_val_if_fail (str != NULL, FALSE);
1169
1170         if (limit && gtk_text_iter_compare (iter, limit) <= 0)
1171                 return FALSE;
1172
1173         if (*str == '\0')
1174         {
1175                 /* If we can move one char, return the empty string there */
1176                 match = *iter;
1177
1178                 if (gtk_text_iter_backward_char (&match))
1179                 {
1180                         if (limit && gtk_text_iter_equal (&match, limit))
1181                                 return FALSE;
1182
1183                         if (match_start)
1184                                 *match_start = match;
1185                         if (match_end)
1186                                 *match_end = match;
1187                         return TRUE;
1188                 }
1189                 else
1190                 {
1191                         return FALSE;
1192                 }
1193         }
1194
1195         visible_only = TRUE;
1196         slice = TRUE;
1197
1198         /* locate all lines */
1199         lines = strbreakup (str, "\n", -1);
1200
1201         search = *iter;
1202
1203         while (TRUE)
1204         {
1205                 /* This loop has an inefficient worst-case, where
1206                  * gtk_text_iter_get_text () is called repeatedly on
1207                  * a single line.
1208                  */
1209                 GtkTextIter end;
1210
1211                 if (limit && gtk_text_iter_compare (&search, limit) <= 0)
1212                         break;
1213
1214                 if (backward_lines_match (&search, (const gchar**)lines,
1215                                           visible_only, slice, &match, &end))
1216                 {
1217                         if (limit == NULL || (limit &&
1218                                               gtk_text_iter_compare (&end, limit) > 0))
1219                         {
1220                                 retval = TRUE;
1221
1222                                 if (match_start)
1223                                         *match_start = match;
1224                                 if (match_end)
1225                                         *match_end = end;
1226                         }
1227                         break;
1228                 }
1229
1230                 if (gtk_text_iter_get_line_offset (&search) == 0)
1231                 {
1232                         if (!gtk_text_iter_backward_line (&search))
1233                                 break;
1234                 }
1235                 else
1236                 {
1237                         gtk_text_iter_set_line_offset (&search, 0);
1238                 }
1239         }
1240
1241         g_strfreev ((gchar **) lines);
1242
1243         return retval;
1244 }
1245
1246 gboolean
1247 empathy_window_get_is_visible (GtkWindow *window)
1248 {
1249         GdkWindowState  state;
1250         GdkWindow      *gdk_window;
1251
1252         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
1253
1254         gdk_window = GTK_WIDGET (window)->window;
1255         if (!gdk_window) {
1256                 return FALSE;
1257         }
1258
1259         state = gdk_window_get_state (gdk_window);
1260         if (state & (GDK_WINDOW_STATE_WITHDRAWN | GDK_WINDOW_STATE_ICONIFIED)) {
1261                 return FALSE;
1262         }
1263
1264         return TRUE;
1265 }
1266
1267 void
1268 empathy_window_iconify (GtkWindow *window, GtkStatusIcon *status_icon)
1269 {
1270         GdkRectangle  icon_location;
1271         gulong        data[4];
1272         Display      *dpy;
1273         GdkWindow    *gdk_window;
1274
1275         gtk_status_icon_get_geometry (status_icon, NULL, &icon_location, NULL);
1276         gdk_window = GTK_WIDGET (window)->window;
1277         dpy = gdk_x11_drawable_get_xdisplay (gdk_window);
1278
1279         data[0] = icon_location.x;
1280         data[1] = icon_location.y;
1281         data[2] = icon_location.width;
1282         data[3] = icon_location.height;
1283
1284         XChangeProperty (dpy,
1285                          GDK_WINDOW_XID (gdk_window),
1286                          gdk_x11_get_xatom_by_name_for_display (gdk_drawable_get_display (gdk_window),
1287                          "_NET_WM_ICON_GEOMETRY"),
1288                          XA_CARDINAL, 32, PropModeReplace,
1289                          (guchar *)&data, 4);
1290
1291         gtk_window_set_skip_taskbar_hint (window, TRUE);
1292         gtk_window_iconify (window);
1293 }
1294
1295 /* Takes care of moving the window to the current workspace. */
1296 void
1297 empathy_window_present (GtkWindow *window,
1298                         gboolean   steal_focus)
1299 {
1300         guint32 timestamp;
1301
1302         g_return_if_fail (GTK_IS_WINDOW (window));
1303
1304         /* There are three cases: hidden, visible, visible on another
1305          * workspace.
1306          */
1307
1308         if (!empathy_window_get_is_visible (window)) {
1309                 /* Hide it so present brings it to the current workspace. */
1310                 gtk_widget_hide (GTK_WIDGET (window));
1311         }
1312
1313         timestamp = gtk_get_current_event_time ();
1314         gtk_window_set_skip_taskbar_hint (window, FALSE);
1315         gtk_window_present_with_time (window, timestamp);
1316         /* FIXME: This shouldn't be required as gtk_window_present's doc says
1317          *        it deiconify automatically. */
1318         gtk_window_deiconify (window);
1319 }
1320
1321 GtkWindow *
1322 empathy_get_toplevel_window (GtkWidget *widget)
1323 {
1324         GtkWidget *toplevel;
1325
1326         g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
1327
1328         toplevel = gtk_widget_get_toplevel (widget);
1329         if (GTK_IS_WINDOW (toplevel) &&
1330             GTK_WIDGET_TOPLEVEL (toplevel)) {
1331                 return GTK_WINDOW (toplevel);
1332         }
1333
1334         return NULL;
1335 }
1336
1337 /* The URL opening code can't handle schemeless strings, so we try to be
1338  * smart and add http if there is no scheme or doesn't look like a mail
1339  * address. This should work in most cases, and let us click on strings
1340  * like "www.gnome.org".
1341  */
1342 static gchar *
1343 fixup_url (const gchar *url)
1344 {
1345         if (g_str_has_prefix (url, "ghelp:") ||
1346             g_str_has_prefix (url, "mailto:") ||
1347             strstr (url, ":/")) {
1348                 return NULL;
1349         }
1350
1351         if (strstr (url, "@")) {
1352                 return g_strdup_printf ("mailto:%s", url);
1353         }
1354
1355         return g_strdup_printf ("http://%s", url);
1356 }
1357
1358 void
1359 empathy_url_show (GtkWidget *parent,
1360                   const char *url)
1361 {
1362         gchar  *real_url;
1363         GError *error = NULL;
1364
1365         real_url = fixup_url (url);
1366         if (real_url) {
1367                 url = real_url;
1368         }
1369
1370         gtk_show_uri (gtk_widget_get_screen (parent), url,
1371                       gtk_get_current_event_time (), &error);
1372
1373         if (error) {
1374                 GtkWidget *dialog;
1375
1376                 dialog = gtk_message_dialog_new (NULL, 0,
1377                                                  GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
1378                                                  _("Unable to open URI"));
1379                 gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
1380                                                           "%s", error->message);
1381
1382                 g_signal_connect (dialog, "response",
1383                                   G_CALLBACK (gtk_widget_destroy),
1384                                   NULL);
1385                 gtk_window_present (GTK_WINDOW (dialog));
1386
1387                 g_clear_error (&error);
1388         }
1389
1390         g_free (real_url);
1391 }
1392
1393 static void
1394 link_button_hook (GtkLinkButton *button,
1395                   const gchar *link,
1396                   gpointer user_data)
1397 {
1398         empathy_url_show (GTK_WIDGET (button), link);
1399 }
1400
1401 GtkWidget *
1402 empathy_link_button_new (const gchar *url,
1403                         const gchar *title)
1404 {
1405         static gboolean hook = FALSE;
1406
1407         if (!hook) {
1408                 hook = TRUE;
1409                 gtk_link_button_set_uri_hook (link_button_hook, NULL, NULL);
1410         }
1411
1412         return gtk_link_button_new_with_label (url, title);
1413 }
1414
1415 void
1416 empathy_toggle_button_set_state_quietly (GtkWidget *widget,
1417                                         GCallback  callback,
1418                                         gpointer   user_data,
1419                                         gboolean   active)
1420 {
1421         g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
1422
1423         g_signal_handlers_block_by_func (widget, callback, user_data);
1424         g_object_set (widget, "active", active, NULL);
1425         g_signal_handlers_unblock_by_func (widget, callback, user_data);
1426 }
1427
1428 static void
1429 file_manager_send_file_response_cb (GtkDialog      *widget,
1430                                     gint            response_id,
1431                                     EmpathyContact *contact)
1432 {
1433         EmpathyFTFactory *factory;
1434         GFile *file;
1435         gchar *uri;
1436         GtkRecentManager *manager;
1437
1438         if (response_id == GTK_RESPONSE_OK) {
1439                 file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (widget));
1440                 uri = g_file_get_uri (file);
1441
1442                 factory = empathy_ft_factory_dup_singleton ();
1443
1444                 empathy_ft_factory_new_transfer_outgoing (factory, contact,
1445                                                           file);
1446
1447                 manager = gtk_recent_manager_get_default ();
1448                 gtk_recent_manager_add_item (manager, uri);
1449
1450                 g_free (uri);
1451                 g_object_unref (factory);
1452                 g_object_unref (file);
1453         }
1454
1455         gtk_widget_destroy (GTK_WIDGET (widget));
1456 }
1457
1458 void
1459 empathy_send_file_with_file_chooser (EmpathyContact *contact)
1460 {
1461         GtkWidget               *widget;
1462         GtkWidget               *button;
1463
1464         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
1465
1466         DEBUG ("Creating selection file chooser");
1467
1468         widget = gtk_file_chooser_dialog_new (_("Select a file"),
1469                                               NULL,
1470                                               GTK_FILE_CHOOSER_ACTION_OPEN,
1471                                               GTK_STOCK_CANCEL,
1472                                               GTK_RESPONSE_CANCEL,
1473                                               NULL);
1474
1475         /* send button */
1476         button = gtk_button_new_with_mnemonic (_("_Send"));
1477         gtk_button_set_image (GTK_BUTTON (button),
1478                 gtk_image_new_from_icon_name (EMPATHY_IMAGE_DOCUMENT_SEND,
1479                                               GTK_ICON_SIZE_BUTTON));
1480         gtk_widget_show (button);
1481         gtk_dialog_add_action_widget (GTK_DIALOG (widget), button,
1482                                       GTK_RESPONSE_OK);
1483         GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
1484         gtk_dialog_set_default_response (GTK_DIALOG (widget),
1485                                          GTK_RESPONSE_OK);
1486
1487         g_signal_connect (widget, "response",
1488                           G_CALLBACK (file_manager_send_file_response_cb),
1489                           contact);
1490
1491         gtk_widget_show (widget);
1492 }
1493
1494 static void
1495 file_manager_receive_file_response_cb (GtkDialog *dialog,
1496                                        GtkResponseType response,
1497                                        EmpathyFTHandler *handler)
1498 {
1499         EmpathyFTFactory *factory;
1500         GFile *file;
1501
1502         if (response == GTK_RESPONSE_OK) {
1503                 factory = empathy_ft_factory_dup_singleton ();
1504                 file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
1505
1506                 empathy_ft_factory_set_destination_for_incoming_handler
1507                         (factory, handler, file);
1508
1509                 g_object_unref (factory);
1510                 g_object_unref (file);
1511         } else {
1512                 /* unref the handler, as we dismissed the file chooser,
1513                  * and refused the transfer.
1514                  */
1515                 g_object_unref (handler);
1516         }
1517
1518         gtk_widget_destroy (GTK_WIDGET (dialog));
1519 }
1520
1521 void
1522 empathy_receive_file_with_file_chooser (EmpathyFTHandler *handler)
1523 {
1524         GtkWidget *widget;
1525
1526         widget = gtk_file_chooser_dialog_new (_("Select a destination"),
1527                                               NULL,
1528                                               GTK_FILE_CHOOSER_ACTION_SAVE,
1529                                               GTK_STOCK_CANCEL,
1530                                               GTK_RESPONSE_CANCEL,
1531                                               GTK_STOCK_SAVE,
1532                                               GTK_RESPONSE_OK,
1533                                               NULL);
1534         gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (widget),
1535                 empathy_ft_handler_get_filename (handler));
1536         gtk_file_chooser_set_do_overwrite_confirmation
1537                 (GTK_FILE_CHOOSER (widget), TRUE);
1538
1539         g_signal_connect (widget, "response",
1540                 G_CALLBACK (file_manager_receive_file_response_cb), handler);
1541
1542         gtk_widget_show (widget);
1543 }
1544
1545 typedef struct {
1546         EmpathySound sound_id;
1547         const char * event_ca_id;
1548         const char * event_ca_description;
1549         const char * gconf_key;
1550 } EmpathySoundEntry;
1551
1552 /* NOTE: these entries MUST be in the same order than EmpathySound enum */
1553 static EmpathySoundEntry sound_entries[LAST_EMPATHY_SOUND] = {
1554         { EMPATHY_SOUND_MESSAGE_INCOMING, "message-new-instant",
1555           N_("Received an instant message"), EMPATHY_PREFS_SOUNDS_INCOMING_MESSAGE } ,
1556         { EMPATHY_SOUND_MESSAGE_OUTGOING, "message-sent-instant",
1557           N_("Sent an instant message"), EMPATHY_PREFS_SOUNDS_OUTGOING_MESSAGE } ,
1558         { EMPATHY_SOUND_CONVERSATION_NEW, "message-new-instant",
1559           N_("Incoming chat request"), EMPATHY_PREFS_SOUNDS_NEW_CONVERSATION },
1560         { EMPATHY_SOUND_CONTACT_CONNECTED, "service-login",
1561           N_("Contact connected"), EMPATHY_PREFS_SOUNDS_CONTACT_LOGIN },
1562         { EMPATHY_SOUND_CONTACT_DISCONNECTED, "service-logout",
1563           N_("Contact disconnected"), EMPATHY_PREFS_SOUNDS_CONTACT_LOGOUT },
1564         { EMPATHY_SOUND_ACCOUNT_CONNECTED, "service-login",
1565           N_("Connected to server"), EMPATHY_PREFS_SOUNDS_SERVICE_LOGIN },
1566         { EMPATHY_SOUND_ACCOUNT_DISCONNECTED, "service-logout",
1567           N_("Disconnected from server"), EMPATHY_PREFS_SOUNDS_SERVICE_LOGOUT },
1568         { EMPATHY_SOUND_PHONE_INCOMING, "phone-incoming-call",
1569           N_("Incoming voice call"), NULL },
1570         { EMPATHY_SOUND_PHONE_OUTGOING, "phone-outgoing-calling",
1571           N_("Outgoing voice call"), NULL },
1572         { EMPATHY_SOUND_PHONE_HANGUP, "phone-hangup",
1573           N_("Voice call ended"), NULL },
1574 };
1575
1576
1577 static gboolean
1578 empathy_sound_pref_is_enabled (const char *key)
1579 {
1580         EmpathyConf *conf;
1581         gboolean res;
1582
1583         conf = empathy_conf_get ();
1584         res = FALSE;
1585
1586         empathy_conf_get_bool (conf, EMPATHY_PREFS_SOUNDS_ENABLED, &res);
1587
1588         if (!res) {
1589                 return FALSE;
1590         }
1591
1592         if (!empathy_check_available_state ()) {
1593                 empathy_conf_get_bool (conf, EMPATHY_PREFS_SOUNDS_DISABLED_AWAY,
1594                                        &res);
1595                 if (res) {
1596                         return FALSE;
1597                 }
1598         }
1599
1600         empathy_conf_get_bool (conf, key, &res);
1601
1602         return res;
1603 }
1604
1605 void
1606 empathy_sound_stop (EmpathySound sound_id)
1607 {
1608         EmpathySoundEntry *entry;
1609
1610         g_return_if_fail (sound_id < LAST_EMPATHY_SOUND);
1611
1612         entry = &(sound_entries[sound_id]);
1613         g_return_if_fail (entry->sound_id == sound_id);
1614
1615         ca_context_cancel (ca_gtk_context_get (), entry->sound_id);
1616 }
1617
1618
1619 gboolean
1620 empathy_sound_play_full (GtkWidget *widget, EmpathySound sound_id,
1621         ca_finish_callback_t callback, gpointer user_data)
1622 {
1623         EmpathySoundEntry *entry;
1624         gboolean should_play = TRUE;
1625         ca_proplist *p = NULL;
1626         ca_context *c;
1627
1628         g_return_val_if_fail (sound_id < LAST_EMPATHY_SOUND, FALSE);
1629
1630         entry = &(sound_entries[sound_id]);
1631         g_return_val_if_fail (entry->sound_id == sound_id, FALSE);
1632
1633         if (entry->gconf_key != NULL) {
1634                 should_play = empathy_sound_pref_is_enabled (entry->gconf_key);
1635         }
1636
1637         if (!should_play)
1638                 return FALSE;
1639
1640         c = ca_gtk_context_get ();
1641         ca_context_cancel (c, entry->sound_id);
1642
1643         DEBUG ("Play sound \"%s\" (%s)",
1644                entry->event_ca_id,
1645                entry->event_ca_description);
1646
1647         if (ca_proplist_create (&p) < 0)
1648                 goto failed;
1649
1650         if (ca_proplist_sets (p, CA_PROP_EVENT_ID, entry->event_ca_id) < 0)
1651                 goto failed;
1652
1653         if (ca_proplist_sets (p, CA_PROP_EVENT_DESCRIPTION,
1654                         gettext (entry->event_ca_id)) < 0)
1655                 goto failed;
1656
1657         if (ca_gtk_proplist_set_for_widget (p, widget) < 0)
1658                 goto failed;
1659
1660         ca_context_play_full (ca_gtk_context_get (), entry->sound_id,
1661                 p, callback, user_data);
1662
1663         ca_proplist_destroy (p);
1664
1665         return TRUE;
1666
1667 failed:
1668         if (p != NULL)
1669                 ca_proplist_destroy (p);
1670
1671         return FALSE;
1672 }
1673
1674 void
1675 empathy_sound_play (GtkWidget *widget, EmpathySound sound_id)
1676 {
1677         empathy_sound_play_full (widget, sound_id, NULL, NULL);
1678 }
1679