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Clear audio_output when the call ends
[empathy-mirror.git] / libempathy-gtk / empathy-ui-utils.c
blob0b0bf305065d59ca69da592d2a4dc4bf4279115e
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) 2007-2010 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 * Travis Reitter <travis.reitter@collabora.co.uk>
27 *
28 * Part of this file is copied from GtkSourceView (gtksourceiter.c):
29 * Paolo Maggi
30 * Jeroen Zwartepoorte
31 */
32
33 #include <config.h>
34
35 #include <string.h>
36 #include <X11/Xatom.h>
37 #include <gdk/gdkx.h>
38 #include <glib/gi18n-lib.h>
39 #include <gtk/gtk.h>
40 #include <gio/gio.h>
41
42 #include <telepathy-glib/util.h>
43 #include <folks/folks.h>
44
45 #include "empathy-ui-utils.h"
46 #include "empathy-images.h"
47 #include "empathy-live-search.h"
48 #include "empathy-smiley-manager.h"
49
50 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
51 #include <libempathy/empathy-debug.h>
52 #include <libempathy/empathy-utils.h>
53 #include <libempathy/empathy-ft-factory.h>
54
55 void
56 empathy_gtk_init (void)
57 {
58 static gboolean initialized = FALSE;
59
60 if (initialized)
61 return;
62
63 empathy_init ();
64 gtk_icon_theme_append_search_path (gtk_icon_theme_get_default (),
65 PKGDATADIR G_DIR_SEPARATOR_S "icons");
66
67 initialized = TRUE;
68 }
69
70 static GtkBuilder *
71 builder_get_file_valist (const gchar *filename,
72 const gchar *first_object,
73 va_list args)
74 {
75 GtkBuilder *gui;
76 const gchar *name;
77 GObject **object_ptr;
78 GError *error = NULL;
79
80 DEBUG ("Loading file %s", filename);
81
82 gui = gtk_builder_new ();
83 gtk_builder_set_translation_domain (gui, GETTEXT_PACKAGE);
84 if (!gtk_builder_add_from_file (gui, filename, &error)) {
85 g_critical ("GtkBuilder Error (%s): %s",
86 filename, error->message);
87 g_clear_error (&error);
88 g_object_unref (gui);
89
90 /* we need to iterate and set all of the pointers to NULL */
91 for (name = first_object; name;
92 name = va_arg (args, const gchar *)) {
93 object_ptr = va_arg (args, GObject**);
94
95 *object_ptr = NULL;
96 }
97
98 return NULL;
99 }
100
101 for (name = first_object; name; name = va_arg (args, const gchar *)) {
102 object_ptr = va_arg (args, GObject**);
103
104 *object_ptr = gtk_builder_get_object (gui, name);
105
106 if (!*object_ptr) {
107 g_warning ("File is missing object '%s'.", name);
108 continue;
109 }
110 }
111
112 return gui;
113 }
114
115 GtkBuilder *
116 empathy_builder_get_file (const gchar *filename,
117 const gchar *first_object,
118 ...)
119 {
120 GtkBuilder *gui;
121 va_list args;
122
123 va_start (args, first_object);
124 gui = builder_get_file_valist (filename, first_object, args);
125 va_end (args);
126
127 return gui;
128 }
129
130 void
131 empathy_builder_connect (GtkBuilder *gui,
132 gpointer user_data,
133 const gchar *first_object,
134 ...)
135 {
136 va_list args;
137 const gchar *name;
138 const gchar *sig;
139 GObject *object;
140 GCallback callback;
141
142 va_start (args, first_object);
143 for (name = first_object; name; name = va_arg (args, const gchar *)) {
144 sig = va_arg (args, const gchar *);
145 callback = va_arg (args, GCallback);
146
147 object = gtk_builder_get_object (gui, name);
148 if (!object) {
149 g_warning ("File is missing object '%s'.", name);
150 continue;
151 }
152
153 g_signal_connect (object, sig, callback, user_data);
154 }
155
156 va_end (args);
157 }
158
159 GtkWidget *
160 empathy_builder_unref_and_keep_widget (GtkBuilder *gui,
161 GtkWidget *widget)
162 {
163 /* On construction gui sinks the initial reference to widget. When gui
164 * is finalized it will drop its ref to widget. We take our own ref to
165 * prevent widget being finalised. The widget is forced to have a
166 * floating reference, like when it was initially unowned so that it can
167 * be used like any other GtkWidget. */
168
169 g_object_ref (widget);
170 g_object_force_floating (G_OBJECT (widget));
171 g_object_unref (gui);
172
173 return widget;
174 }
175
176 const gchar *
177 empathy_icon_name_for_presence (TpConnectionPresenceType presence)
178 {
179 switch (presence) {
180 case TP_CONNECTION_PRESENCE_TYPE_AVAILABLE:
181 return EMPATHY_IMAGE_AVAILABLE;
182 case TP_CONNECTION_PRESENCE_TYPE_BUSY:
183 return EMPATHY_IMAGE_BUSY;
184 case TP_CONNECTION_PRESENCE_TYPE_AWAY:
185 return EMPATHY_IMAGE_AWAY;
186 case TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY:
187 if (gtk_icon_theme_has_icon (gtk_icon_theme_get_default (),
188 EMPATHY_IMAGE_EXT_AWAY))
189 return EMPATHY_IMAGE_EXT_AWAY;
190
191 /* The 'extended-away' icon is not an official one so we fallback to idle if
192 * it's not implemented */
193 return EMPATHY_IMAGE_IDLE;
194 case TP_CONNECTION_PRESENCE_TYPE_HIDDEN:
195 if (gtk_icon_theme_has_icon (gtk_icon_theme_get_default (),
196 EMPATHY_IMAGE_HIDDEN))
197 return EMPATHY_IMAGE_HIDDEN;
198
199 /* The 'hidden' icon is not an official one so we fallback to offline if
200 * it's not implemented */
201 return EMPATHY_IMAGE_OFFLINE;
202 case TP_CONNECTION_PRESENCE_TYPE_OFFLINE:
203 case TP_CONNECTION_PRESENCE_TYPE_ERROR:
204 return EMPATHY_IMAGE_OFFLINE;
205 case TP_CONNECTION_PRESENCE_TYPE_UNKNOWN:
206 return EMPATHY_IMAGE_PENDING;
207 case TP_CONNECTION_PRESENCE_TYPE_UNSET:
208 default:
209 return NULL;
210 }
211
212 return NULL;
213 }
214
215 const gchar *
216 empathy_icon_name_for_contact (EmpathyContact *contact)
217 {
218 TpConnectionPresenceType presence;
219
220 g_return_val_if_fail (EMPATHY_IS_CONTACT (contact),
221 EMPATHY_IMAGE_OFFLINE);
222
223 presence = empathy_contact_get_presence (contact);
224 return empathy_icon_name_for_presence (presence);
225 }
226
227 const gchar *
228 empathy_icon_name_for_individual (FolksIndividual *individual)
229 {
230 FolksPresenceType folks_presence;
231 TpConnectionPresenceType presence;
232
233 folks_presence =
234 folks_presence_details_get_presence_type (
235 FOLKS_PRESENCE_DETAILS (individual));
236 presence = empathy_folks_presence_type_to_tp (folks_presence);
237
238 return empathy_icon_name_for_presence (presence);
239 }
240
241 const gchar *
242 empathy_protocol_name_for_contact (EmpathyContact *contact)
243 {
244 TpAccount *account;
245
246 g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
247
248 account = empathy_contact_get_account (contact);
249 if (account == NULL) {
250 return NULL;
251 }
252
253 return tp_account_get_icon_name (account);
254 }
255
256 GdkPixbuf *
257 empathy_pixbuf_from_data (gchar *data,
258 gsize data_size)
259 {
260 return empathy_pixbuf_from_data_and_mime (data, data_size, NULL);
261 }
262
263 GdkPixbuf *
264 empathy_pixbuf_from_data_and_mime (gchar *data,
265 gsize data_size,
266 gchar **mime_type)
267 {
268 GdkPixbufLoader *loader;
269 GdkPixbufFormat *format;
270 GdkPixbuf *pixbuf = NULL;
271 gchar **mime_types;
272 GError *error = NULL;
273
274 if (!data) {
275 return NULL;
276 }
277
278 loader = gdk_pixbuf_loader_new ();
279 if (!gdk_pixbuf_loader_write (loader, (guchar *) data, data_size, &error)) {
280 DEBUG ("Failed to write to pixbuf loader: %s",
281 error ? error->message : "No error given");
282 goto out;
283 }
284 if (!gdk_pixbuf_loader_close (loader, &error)) {
285 DEBUG ("Failed to close pixbuf loader: %s",
286 error ? error->message : "No error given");
287 goto out;
288 }
289
290 pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
291 if (pixbuf) {
292 g_object_ref (pixbuf);
293
294 if (mime_type != NULL) {
295 format = gdk_pixbuf_loader_get_format (loader);
296 mime_types = gdk_pixbuf_format_get_mime_types (format);
297
298 *mime_type = g_strdup (*mime_types);
299 if (mime_types[1] != NULL) {
300 DEBUG ("Loader supports more than one mime "
301 "type! Picking the first one, %s",
302 *mime_type);
303 }
304 g_strfreev (mime_types);
305 }
306 }
307
308 out:
309 g_clear_error (&error);
310 g_object_unref (loader);
311
312 return pixbuf;
313 }
314
315 struct SizeData {
316 gint width;
317 gint height;
318 gboolean preserve_aspect_ratio;
319 };
320
321 static void
322 pixbuf_from_avatar_size_prepared_cb (GdkPixbufLoader *loader,
323 int width,
324 int height,
325 struct SizeData *data)
326 {
327 g_return_if_fail (width > 0 && height > 0);
328
329 if (data->preserve_aspect_ratio && (data->width > 0 || data->height > 0)) {
330 if (width < data->width && height < data->height) {
331 width = width;
332 height = height;
333 }
334
335 if (data->width < 0) {
336 width = width * (double) data->height / (gdouble) height;
337 height = data->height;
338 } else if (data->height < 0) {
339 height = height * (double) data->width / (double) width;
340 width = data->width;
341 } else if ((double) height * (double) data->width >
342 (double) width * (double) data->height) {
343 width = 0.5 + (double) width * (double) data->height / (double) height;
344 height = data->height;
345 } else {
346 height = 0.5 + (double) height * (double) data->width / (double) width;
347 width = data->width;
348 }
349 } else {
350 if (data->width > 0) {
351 width = data->width;
352 }
353
354 if (data->height > 0) {
355 height = data->height;
356 }
357 }
358
359 gdk_pixbuf_loader_set_size (loader, width, height);
360 }
361
362 static void
363 empathy_avatar_pixbuf_roundify (GdkPixbuf *pixbuf)
364 {
365 gint width, height, rowstride;
366 guchar *pixels;
367
368 width = gdk_pixbuf_get_width (pixbuf);
369 height = gdk_pixbuf_get_height (pixbuf);
370 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
371 pixels = gdk_pixbuf_get_pixels (pixbuf);
372
373 if (width < 6 || height < 6) {
374 return;
375 }
376
377 /* Top left */
378 pixels[3] = 0;
379 pixels[7] = 0x80;
380 pixels[11] = 0xC0;
381 pixels[rowstride + 3] = 0x80;
382 pixels[rowstride * 2 + 3] = 0xC0;
383
384 /* Top right */
385 pixels[width * 4 - 1] = 0;
386 pixels[width * 4 - 5] = 0x80;
387 pixels[width * 4 - 9] = 0xC0;
388 pixels[rowstride + (width * 4) - 1] = 0x80;
389 pixels[(2 * rowstride) + (width * 4) - 1] = 0xC0;
390
391 /* Bottom left */
392 pixels[(height - 1) * rowstride + 3] = 0;
393 pixels[(height - 1) * rowstride + 7] = 0x80;
394 pixels[(height - 1) * rowstride + 11] = 0xC0;
395 pixels[(height - 2) * rowstride + 3] = 0x80;
396 pixels[(height - 3) * rowstride + 3] = 0xC0;
397
398 /* Bottom right */
399 pixels[height * rowstride - 1] = 0;
400 pixels[(height - 1) * rowstride - 1] = 0x80;
401 pixels[(height - 2) * rowstride - 1] = 0xC0;
402 pixels[height * rowstride - 5] = 0x80;
403 pixels[height * rowstride - 9] = 0xC0;
404 }
405
406 static gboolean
407 empathy_gdk_pixbuf_is_opaque (GdkPixbuf *pixbuf)
408 {
409 gint height, rowstride, i;
410 guchar *pixels;
411 guchar *row;
412
413 height = gdk_pixbuf_get_height (pixbuf);
414 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
415 pixels = gdk_pixbuf_get_pixels (pixbuf);
416
417 row = pixels;
418 for (i = 3; i < rowstride; i+=4) {
419 if (row[i] < 0xfe) {
420 return FALSE;
421 }
422 }
423
424 for (i = 1; i < height - 1; i++) {
425 row = pixels + (i*rowstride);
426 if (row[3] < 0xfe || row[rowstride-1] < 0xfe) {
427 return FALSE;
428 }
429 }
430
431 row = pixels + ((height-1) * rowstride);
432 for (i = 3; i < rowstride; i+=4) {
433 if (row[i] < 0xfe) {
434 return FALSE;
435 }
436 }
437
438 return TRUE;
439 }
440
441 static GdkPixbuf *
442 avatar_pixbuf_from_loader (GdkPixbufLoader *loader)
443 {
444 GdkPixbuf *pixbuf;
445
446 pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
447 if (!gdk_pixbuf_get_has_alpha (pixbuf)) {
448 GdkPixbuf *rounded_pixbuf;
449
450 rounded_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
451 gdk_pixbuf_get_width (pixbuf),
452 gdk_pixbuf_get_height (pixbuf));
453 gdk_pixbuf_copy_area (pixbuf, 0, 0,
454 gdk_pixbuf_get_width (pixbuf),
455 gdk_pixbuf_get_height (pixbuf),
456 rounded_pixbuf,
457 0, 0);
458 pixbuf = rounded_pixbuf;
459 } else {
460 g_object_ref (pixbuf);
461 }
462
463 if (empathy_gdk_pixbuf_is_opaque (pixbuf)) {
464 empathy_avatar_pixbuf_roundify (pixbuf);
465 }
466
467 return pixbuf;
468 }
469
470 GdkPixbuf *
471 empathy_pixbuf_from_avatar_scaled (EmpathyAvatar *avatar,
472 gint width,
473 gint height)
474 {
475 GdkPixbuf *pixbuf;
476 GdkPixbufLoader *loader;
477 struct SizeData data;
478 GError *error = NULL;
479
480 if (!avatar) {
481 return NULL;
482 }
483
484 data.width = width;
485 data.height = height;
486 data.preserve_aspect_ratio = TRUE;
487
488 loader = gdk_pixbuf_loader_new ();
489
490 g_signal_connect (loader, "size-prepared",
491 G_CALLBACK (pixbuf_from_avatar_size_prepared_cb),
492 &data);
493
494 if (!gdk_pixbuf_loader_write (loader, avatar->data, avatar->len, &error)) {
495 g_warning ("Couldn't write avatar image:%p with "
496 "length:%" G_GSIZE_FORMAT " to pixbuf loader: %s",
497 avatar->data, avatar->len, error->message);
498 g_error_free (error);
499 return NULL;
500 }
501
502 gdk_pixbuf_loader_close (loader, NULL);
503 pixbuf = avatar_pixbuf_from_loader (loader);
504
505 g_object_unref (loader);
506
507 return pixbuf;
508 }
509
510 GdkPixbuf *
511 empathy_pixbuf_avatar_from_contact_scaled (EmpathyContact *contact,
512 gint width,
513 gint height)
514 {
515 EmpathyAvatar *avatar;
516
517 g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
518
519 avatar = empathy_contact_get_avatar (contact);
520
521 return empathy_pixbuf_from_avatar_scaled (avatar, width, height);
522 }
523
524 typedef struct {
525 FolksIndividual *individual;
526 GSimpleAsyncResult *result;
527 guint width;
528 guint height;
529 } PixbufAvatarFromIndividualClosure;
530
531 static PixbufAvatarFromIndividualClosure *
532 pixbuf_avatar_from_individual_closure_new (FolksIndividual *individual,
533 GSimpleAsyncResult *result,
534 gint width,
535 gint height)
536 {
537 PixbufAvatarFromIndividualClosure *closure;
538
539 g_return_val_if_fail (FOLKS_IS_INDIVIDUAL (individual), NULL);
540 g_return_val_if_fail (G_IS_ASYNC_RESULT (result), NULL);
541
542 closure = g_new0 (PixbufAvatarFromIndividualClosure, 1);
543 closure->individual = g_object_ref (individual);
544 closure->result = g_object_ref (result);
545 closure->width = width;
546 closure->height = height;
547
548 return closure;
549 }
550
551 static void
552 pixbuf_avatar_from_individual_closure_free (
553 PixbufAvatarFromIndividualClosure *closure)
554 {
555 g_object_unref (closure->individual);
556 g_object_unref (closure->result);
557 g_free (closure);
558 }
559
560 static void
561 avatar_file_load_contents_cb (GObject *object,
562 GAsyncResult *result,
563 gpointer user_data)
564 {
565 GFile *file = G_FILE (object);
566 PixbufAvatarFromIndividualClosure *closure = user_data;
567 char *data = NULL;
568 gsize data_size;
569 struct SizeData size_data;
570 GError *error = NULL;
571 GdkPixbufLoader *loader = NULL;
572
573 if (!g_file_load_contents_finish (file, result, &data, &data_size,
574 NULL, &error)) {
575 DEBUG ("failed to load avatar from file: %s",
576 error->message);
577 g_simple_async_result_set_from_error (closure->result, error);
578 goto out;
579 }
580
581 size_data.width = closure->width;
582 size_data.height = closure->height;
583 size_data.preserve_aspect_ratio = TRUE;
584
585 loader = gdk_pixbuf_loader_new ();
586
587 g_signal_connect (loader, "size-prepared",
588 G_CALLBACK (pixbuf_from_avatar_size_prepared_cb),
589 &size_data);
590
591 if (!gdk_pixbuf_loader_write (loader, (guchar *) data, data_size,
592 &error)) {
593 DEBUG ("Failed to write to pixbuf loader: %s",
594 error ? error->message : "No error given");
595 g_simple_async_result_set_from_error (closure->result, error);
596 goto out;
597 }
598 if (!gdk_pixbuf_loader_close (loader, &error)) {
599 DEBUG ("Failed to close pixbuf loader: %s",
600 error ? error->message : "No error given");
601 g_simple_async_result_set_from_error (closure->result, error);
602 goto out;
603 }
604
605 g_simple_async_result_set_op_res_gpointer (closure->result,
606 avatar_pixbuf_from_loader (loader), g_object_unref);
607
608 out:
609 g_simple_async_result_complete (closure->result);
610
611 g_clear_error (&error);
612 g_free (data);
613 tp_clear_object (&loader);
614 pixbuf_avatar_from_individual_closure_free (closure);
615 }
616
617 void
618 empathy_pixbuf_avatar_from_individual_scaled_async (
619 FolksIndividual *individual,
620 gint width,
621 gint height,
622 GCancellable *cancellable,
623 GAsyncReadyCallback callback,
624 gpointer user_data)
625 {
626 GFile *avatar_file;
627 GSimpleAsyncResult *result;
628 PixbufAvatarFromIndividualClosure *closure;
629
630 result = g_simple_async_result_new (G_OBJECT (individual),
631 callback, user_data,
632 empathy_pixbuf_avatar_from_individual_scaled_async);
633
634 avatar_file =
635 folks_avatar_details_get_avatar (FOLKS_AVATAR_DETAILS (individual));
636 if (avatar_file == NULL)
637 goto out;
638
639 closure = pixbuf_avatar_from_individual_closure_new (individual, result,
640 width, height);
641 if (closure == NULL)
642 goto out;
643
644 g_file_load_contents_async (avatar_file, cancellable,
645 avatar_file_load_contents_cb, closure);
646
647 g_object_unref (result);
648
649 return;
650
651 out:
652 g_simple_async_result_set_op_res_gpointer (result, NULL, NULL);
653 g_simple_async_result_complete (result);
654 g_object_unref (result);
655 }
656
657 /* Return a ref on the GdkPixbuf */
658 GdkPixbuf *
659 empathy_pixbuf_avatar_from_individual_scaled_finish (
660 FolksIndividual *individual,
661 GAsyncResult *result,
662 GError **error)
663 {
664 GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result);
665 gboolean result_valid;
666 GdkPixbuf *pixbuf;
667
668 g_return_val_if_fail (FOLKS_IS_INDIVIDUAL (individual), NULL);
669 g_return_val_if_fail (G_IS_SIMPLE_ASYNC_RESULT (simple), NULL);
670
671 if (g_simple_async_result_propagate_error (simple, error))
672 return NULL;
673
674 result_valid = g_simple_async_result_is_valid (result,
675 G_OBJECT (individual),
676 empathy_pixbuf_avatar_from_individual_scaled_async);
677 g_return_val_if_fail (result_valid, NULL);
678
679 pixbuf = g_simple_async_result_get_op_res_gpointer (simple);
680 return pixbuf != NULL ? g_object_ref (pixbuf) : NULL;
681 }
682
683 GdkPixbuf *
684 empathy_pixbuf_contact_status_icon (EmpathyContact *contact,
685 gboolean show_protocol)
686 {
687 const gchar *icon_name;
688
689 g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
690
691 icon_name = empathy_icon_name_for_contact (contact);
692
693 if (icon_name == NULL) {
694 return NULL;
695 }
696 return empathy_pixbuf_contact_status_icon_with_icon_name (contact,
697 icon_name,
698 show_protocol);
699 }
700
701 GdkPixbuf *
702 empathy_pixbuf_contact_status_icon_with_icon_name (EmpathyContact *contact,
703 const gchar *icon_name,
704 gboolean show_protocol)
705 {
706 GdkPixbuf *pix_status;
707 GdkPixbuf *pix_protocol;
708 gchar *icon_filename;
709 gint height, width;
710 gint numerator, denominator;
711
712 g_return_val_if_fail (EMPATHY_IS_CONTACT (contact) ||
713 (show_protocol == FALSE), NULL);
714 g_return_val_if_fail (icon_name != NULL, NULL);
715
716 numerator = 3;
717 denominator = 4;
718
719 icon_filename = empathy_filename_from_icon_name (icon_name,
720 GTK_ICON_SIZE_MENU);
721 if (icon_filename == NULL) {
722 DEBUG ("icon name: %s could not be found\n", icon_name);
723 return NULL;
724 }
725
726 pix_status = gdk_pixbuf_new_from_file (icon_filename, NULL);
727
728 if (pix_status == NULL) {
729 DEBUG ("Could not open icon %s\n", icon_filename);
730 g_free (icon_filename);
731 return NULL;
732 }
733
734 g_free (icon_filename);
735
736 if (!show_protocol)
737 return pix_status;
738
739 height = gdk_pixbuf_get_height (pix_status);
740 width = gdk_pixbuf_get_width (pix_status);
741
742 pix_protocol = empathy_pixbuf_protocol_from_contact_scaled (contact,
743 width * numerator / denominator,
744 height * numerator / denominator);
745
746 if (pix_protocol == NULL) {
747 return pix_status;
748 }
749 gdk_pixbuf_composite (pix_protocol, pix_status,
750 0, height - height * numerator / denominator,
751 width * numerator / denominator, height * numerator / denominator,
752 0, height - height * numerator / denominator,
753 1, 1,
754 GDK_INTERP_BILINEAR, 255);
755
756 g_object_unref (pix_protocol);
757
758 return pix_status;
759 }
760
761 GdkPixbuf *
762 empathy_pixbuf_protocol_from_contact_scaled (EmpathyContact *contact,
763 gint width,
764 gint height)
765 {
766 TpAccount *account;
767 gchar *filename;
768 GdkPixbuf *pixbuf = NULL;
769
770 g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
771
772 account = empathy_contact_get_account (contact);
773 filename = empathy_filename_from_icon_name (tp_account_get_icon_name (account),
774 GTK_ICON_SIZE_MENU);
775 if (filename != NULL) {
776 pixbuf = gdk_pixbuf_new_from_file_at_size (filename, width, height, NULL);
777 g_free (filename);
778 }
779
780 return pixbuf;
781 }
782
783 GdkPixbuf *
784 empathy_pixbuf_scale_down_if_necessary (GdkPixbuf *pixbuf, gint max_size)
785 {
786 gint width, height;
787 gdouble factor;
788
789 width = gdk_pixbuf_get_width (pixbuf);
790 height = gdk_pixbuf_get_height (pixbuf);
791
792 if (width > 0 && (width > max_size || height > max_size)) {
793 factor = (gdouble) max_size / MAX (width, height);
794
795 width = width * factor;
796 height = height * factor;
797
798 return gdk_pixbuf_scale_simple (pixbuf,
799 width, height,
800 GDK_INTERP_HYPER);
801 }
802
803 return g_object_ref (pixbuf);
804 }
805
806 GdkPixbuf *
807 empathy_pixbuf_from_icon_name_sized (const gchar *icon_name,
808 gint size)
809 {
810 GtkIconTheme *theme;
811 GdkPixbuf *pixbuf;
812 GError *error = NULL;
813
814 if (!icon_name) {
815 return NULL;
816 }
817
818 theme = gtk_icon_theme_get_default ();
819
820 pixbuf = gtk_icon_theme_load_icon (theme,
821 icon_name,
822 size,
823 0,
824 &error);
825 if (error) {
826 DEBUG ("Error loading icon: %s", error->message);
827 g_clear_error (&error);
828 }
829
830 return pixbuf;
831 }
832
833 GdkPixbuf *
834 empathy_pixbuf_from_icon_name (const gchar *icon_name,
835 GtkIconSize icon_size)
836 {
837 gint w, h;
838 gint size = 48;
839
840 if (!icon_name) {
841 return NULL;
842 }
843
844 if (gtk_icon_size_lookup (icon_size, &w, &h)) {
845 size = (w + h) / 2;
846 }
847
848 return empathy_pixbuf_from_icon_name_sized (icon_name, size);
849 }
850
851 gchar *
852 empathy_filename_from_icon_name (const gchar *icon_name,
853 GtkIconSize icon_size)
854 {
855 GtkIconTheme *icon_theme;
856 GtkIconInfo *icon_info;
857 gint w, h;
858 gint size = 48;
859 gchar *ret;
860
861 icon_theme = gtk_icon_theme_get_default ();
862
863 if (gtk_icon_size_lookup (icon_size, &w, &h)) {
864 size = (w + h) / 2;
865 }
866
867 icon_info = gtk_icon_theme_lookup_icon (icon_theme, icon_name, size, 0);
868 ret = g_strdup (gtk_icon_info_get_filename (icon_info));
869 gtk_icon_info_free (icon_info);
870
871 return ret;
872 }
873
874 /* Stolen from GtkSourceView, hence the weird intendation. Please keep it like
875 * that to make it easier to apply changes from the original code.
876 */
877 #define GTK_TEXT_UNKNOWN_CHAR 0xFFFC
878
879 /* this function acts like g_utf8_offset_to_pointer() except that if it finds a
880 * decomposable character it consumes the decomposition length from the given
881 * offset. So it's useful when the offset was calculated for the normalized
882 * version of str, but we need a pointer to str itself. */
883 static const gchar *
884 pointer_from_offset_skipping_decomp (const gchar *str, gint offset)
885 {
886 gchar *casefold, *normal;
887 const gchar *p, *q;
888
889 p = str;
890 while (offset > 0)
891 {
892 q = g_utf8_next_char (p);
893 casefold = g_utf8_casefold (p, q - p);
894 normal = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
895 offset -= g_utf8_strlen (normal, -1);
896 g_free (casefold);
897 g_free (normal);
898 p = q;
899 }
900 return p;
901 }
902
903 static const gchar *
904 g_utf8_strcasestr (const gchar *haystack, const gchar *needle)
905 {
906 gsize needle_len;
907 gsize haystack_len;
908 const gchar *ret = NULL;
909 gchar *p;
910 gchar *casefold;
911 gchar *caseless_haystack;
912 gint i;
913
914 g_return_val_if_fail (haystack != NULL, NULL);
915 g_return_val_if_fail (needle != NULL, NULL);
916
917 casefold = g_utf8_casefold (haystack, -1);
918 caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
919 g_free (casefold);
920
921 needle_len = g_utf8_strlen (needle, -1);
922 haystack_len = g_utf8_strlen (caseless_haystack, -1);
923
924 if (needle_len == 0)
925 {
926 ret = (gchar *) haystack;
927 goto finally_1;
928 }
929
930 if (haystack_len < needle_len)
931 {
932 ret = NULL;
933 goto finally_1;
934 }
935
936 p = (gchar *) caseless_haystack;
937 needle_len = strlen (needle);
938 i = 0;
939
940 while (*p)
941 {
942 if ((strncmp (p, needle, needle_len) == 0))
943 {
944 ret = pointer_from_offset_skipping_decomp (haystack, i);
945 goto finally_1;
946 }
947
948 p = g_utf8_next_char (p);
949 i++;
950 }
951
952 finally_1:
953 g_free (caseless_haystack);
954
955 return ret;
956 }
957
958 static gboolean
959 g_utf8_caselessnmatch (const char *s1, const char *s2,
960 gssize n1, gssize n2)
961 {
962 gchar *casefold;
963 gchar *normalized_s1;
964 gchar *normalized_s2;
965 gint len_s1;
966 gint len_s2;
967 gboolean ret = FALSE;
968
969 g_return_val_if_fail (s1 != NULL, FALSE);
970 g_return_val_if_fail (s2 != NULL, FALSE);
971 g_return_val_if_fail (n1 > 0, FALSE);
972 g_return_val_if_fail (n2 > 0, FALSE);
973
974 casefold = g_utf8_casefold (s1, n1);
975 normalized_s1 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
976 g_free (casefold);
977
978 casefold = g_utf8_casefold (s2, n2);
979 normalized_s2 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
980 g_free (casefold);
981
982 len_s1 = strlen (normalized_s1);
983 len_s2 = strlen (normalized_s2);
984
985 if (len_s1 < len_s2)
986 goto finally_2;
987
988 ret = (strncmp (normalized_s1, normalized_s2, len_s2) == 0);
989
990 finally_2:
991 g_free (normalized_s1);
992 g_free (normalized_s2);
993
994 return ret;
995 }
996
997 static void
998 forward_chars_with_skipping (GtkTextIter *iter,
999 gint count,
1000 gboolean skip_invisible,
1001 gboolean skip_nontext,
1002 gboolean skip_decomp)
1003 {
1004 gint i;
1005
1006 g_return_if_fail (count >= 0);
1007
1008 i = count;
1009
1010 while (i > 0)
1011 {
1012 gboolean ignored = FALSE;
1013
1014 /* minimal workaround to avoid the infinite loop of bug #168247.
1015 * It doesn't fix the problemjust the symptom...
1016 */
1017 if (gtk_text_iter_is_end (iter))
1018 return;
1019
1020 if (skip_nontext && gtk_text_iter_get_char (iter) == GTK_TEXT_UNKNOWN_CHAR)
1021 ignored = TRUE;
1022
1023 if (!ignored && skip_invisible &&
1024 /* _gtk_text_btree_char_is_invisible (iter)*/ FALSE)
1025 ignored = TRUE;
1026
1027 if (!ignored && skip_decomp)
1028 {
1029 /* being UTF8 correct sucks; this accounts for extra
1030 offsets coming from canonical decompositions of
1031 UTF8 characters (e.g. accented characters) which
1032 g_utf8_normalize () performs */
1033 gchar *normal;
1034 gchar buffer[6];
1035 gint buffer_len;
1036
1037 buffer_len = g_unichar_to_utf8 (gtk_text_iter_get_char (iter), buffer);
1038 normal = g_utf8_normalize (buffer, buffer_len, G_NORMALIZE_NFD);
1039 i -= (g_utf8_strlen (normal, -1) - 1);
1040 g_free (normal);
1041 }
1042
1043 gtk_text_iter_forward_char (iter);
1044
1045 if (!ignored)
1046 --i;
1047 }
1048 }
1049
1050 static gboolean
1051 lines_match (const GtkTextIter *start,
1052 const gchar **lines,
1053 gboolean visible_only,
1054 gboolean slice,
1055 GtkTextIter *match_start,
1056 GtkTextIter *match_end)
1057 {
1058 GtkTextIter next;
1059 gchar *line_text;
1060 const gchar *found;
1061 gint offset;
1062
1063 if (*lines == NULL || **lines == '\0')
1064 {
1065 if (match_start)
1066 *match_start = *start;
1067 if (match_end)
1068 *match_end = *start;
1069 return TRUE;
1070 }
1071
1072 next = *start;
1073 gtk_text_iter_forward_line (&next);
1074
1075 /* No more text in buffer, but *lines is nonempty */
1076 if (gtk_text_iter_equal (start, &next))
1077 return FALSE;
1078
1079 if (slice)
1080 {
1081 if (visible_only)
1082 line_text = gtk_text_iter_get_visible_slice (start, &next);
1083 else
1084 line_text = gtk_text_iter_get_slice (start, &next);
1085 }
1086 else
1087 {
1088 if (visible_only)
1089 line_text = gtk_text_iter_get_visible_text (start, &next);
1090 else
1091 line_text = gtk_text_iter_get_text (start, &next);
1092 }
1093
1094 if (match_start) /* if this is the first line we're matching */
1095 {
1096 found = g_utf8_strcasestr (line_text, *lines);
1097 }
1098 else
1099 {
1100 /* If it's not the first line, we have to match from the
1101 * start of the line.
1102 */
1103 if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
1104 strlen (*lines)))
1105 found = line_text;
1106 else
1107 found = NULL;
1108 }
1109
1110 if (found == NULL)
1111 {
1112 g_free (line_text);
1113 return FALSE;
1114 }
1115
1116 /* Get offset to start of search string */
1117 offset = g_utf8_strlen (line_text, found - line_text);
1118
1119 next = *start;
1120
1121 /* If match start needs to be returned, set it to the
1122 * start of the search string.
1123 */
1124 forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
1125 if (match_start)
1126 {
1127 *match_start = next;
1128 }
1129
1130 /* Go to end of search string */
1131 forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
1132
1133 g_free (line_text);
1134
1135 ++lines;
1136
1137 if (match_end)
1138 *match_end = next;
1139
1140 /* pass NULL for match_start, since we don't need to find the
1141 * start again.
1142 */
1143 return lines_match (&next, lines, visible_only, slice, NULL, match_end);
1144 }
1145
1146 /* strsplit () that retains the delimiter as part of the string. */
1147 static gchar **
1148 strbreakup (const char *string,
1149 const char *delimiter,
1150 gint max_tokens)
1151 {
1152 GSList *string_list = NULL, *slist;
1153 gchar **str_array, *s, *casefold, *new_string;
1154 guint i, n = 1;
1155
1156 g_return_val_if_fail (string != NULL, NULL);
1157 g_return_val_if_fail (delimiter != NULL, NULL);
1158
1159 if (max_tokens < 1)
1160 max_tokens = G_MAXINT;
1161
1162 s = strstr (string, delimiter);
1163 if (s)
1164 {
1165 guint delimiter_len = strlen (delimiter);
1166
1167 do
1168 {
1169 guint len;
1170
1171 len = s - string + delimiter_len;
1172 new_string = g_new (gchar, len + 1);
1173 strncpy (new_string, string, len);
1174 new_string[len] = 0;
1175 casefold = g_utf8_casefold (new_string, -1);
1176 g_free (new_string);
1177 new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
1178 g_free (casefold);
1179 string_list = g_slist_prepend (string_list, new_string);
1180 n++;
1181 string = s + delimiter_len;
1182 s = strstr (string, delimiter);
1183 } while (--max_tokens && s);
1184 }
1185
1186 if (*string)
1187 {
1188 n++;
1189 casefold = g_utf8_casefold (string, -1);
1190 new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
1191 g_free (casefold);
1192 string_list = g_slist_prepend (string_list, new_string);
1193 }
1194
1195 str_array = g_new (gchar*, n);
1196
1197 i = n - 1;
1198
1199 str_array[i--] = NULL;
1200 for (slist = string_list; slist; slist = slist->next)
1201 str_array[i--] = slist->data;
1202
1203 g_slist_free (string_list);
1204
1205 return str_array;
1206 }
1207
1208 gboolean
1209 empathy_text_iter_forward_search (const GtkTextIter *iter,
1210 const gchar *str,
1211 GtkTextIter *match_start,
1212 GtkTextIter *match_end,
1213 const GtkTextIter *limit)
1214 {
1215 gchar **lines = NULL;
1216 GtkTextIter match;
1217 gboolean retval = FALSE;
1218 GtkTextIter search;
1219 gboolean visible_only;
1220 gboolean slice;
1221
1222 g_return_val_if_fail (iter != NULL, FALSE);
1223 g_return_val_if_fail (str != NULL, FALSE);
1224
1225 if (limit && gtk_text_iter_compare (iter, limit) >= 0)
1226 return FALSE;
1227
1228 if (*str == '\0') {
1229 /* If we can move one char, return the empty string there */
1230 match = *iter;
1231
1232 if (gtk_text_iter_forward_char (&match)) {
1233 if (limit && gtk_text_iter_equal (&match, limit)) {
1234 return FALSE;
1235 }
1236
1237 if (match_start) {
1238 *match_start = match;
1239 }
1240 if (match_end) {
1241 *match_end = match;
1242 }
1243 return TRUE;
1244 } else {
1245 return FALSE;
1246 }
1247 }
1248
1249 visible_only = TRUE;
1250 slice = FALSE;
1251
1252 /* locate all lines */
1253 lines = strbreakup (str, "\n", -1);
1254
1255 search = *iter;
1256
1257 do {
1258 /* This loop has an inefficient worst-case, where
1259 * gtk_text_iter_get_text () is called repeatedly on
1260 * a single line.
1261 */
1262 GtkTextIter end;
1263
1264 if (limit && gtk_text_iter_compare (&search, limit) >= 0) {
1265 break;
1266 }
1267
1268 if (lines_match (&search, (const gchar**)lines,
1269 visible_only, slice, &match, &end)) {
1270 if (limit == NULL ||
1271 (limit && gtk_text_iter_compare (&end, limit) <= 0)) {
1272 retval = TRUE;
1273
1274 if (match_start) {
1275 *match_start = match;
1276 }
1277 if (match_end) {
1278 *match_end = end;
1279 }
1280 }
1281 break;
1282 }
1283 } while (gtk_text_iter_forward_line (&search));
1284
1285 g_strfreev ((gchar **) lines);
1286
1287 return retval;
1288 }
1289
1290 static const gchar *
1291 g_utf8_strrcasestr (const gchar *haystack, const gchar *needle)
1292 {
1293 gsize needle_len;
1294 gsize haystack_len;
1295 const gchar *ret = NULL;
1296 gchar *p;
1297 gchar *casefold;
1298 gchar *caseless_haystack;
1299 gint i;
1300
1301 g_return_val_if_fail (haystack != NULL, NULL);
1302 g_return_val_if_fail (needle != NULL, NULL);
1303
1304 casefold = g_utf8_casefold (haystack, -1);
1305 caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
1306 g_free (casefold);
1307
1308 needle_len = g_utf8_strlen (needle, -1);
1309 haystack_len = g_utf8_strlen (caseless_haystack, -1);
1310
1311 if (needle_len == 0)
1312 {
1313 ret = (gchar *) haystack;
1314 goto finally_1;
1315 }
1316
1317 if (haystack_len < needle_len)
1318 {
1319 ret = NULL;
1320 goto finally_1;
1321 }
1322
1323 i = haystack_len - needle_len;
1324 p = g_utf8_offset_to_pointer (caseless_haystack, i);
1325 needle_len = strlen (needle);
1326
1327 while (p >= caseless_haystack)
1328 {
1329 if (strncmp (p, needle, needle_len) == 0)
1330 {
1331 ret = pointer_from_offset_skipping_decomp (haystack, i);
1332 goto finally_1;
1333 }
1334
1335 p = g_utf8_prev_char (p);
1336 i--;
1337 }
1338
1339 finally_1:
1340 g_free (caseless_haystack);
1341
1342 return ret;
1343 }
1344
1345 static gboolean
1346 backward_lines_match (const GtkTextIter *start,
1347 const gchar **lines,
1348 gboolean visible_only,
1349 gboolean slice,
1350 GtkTextIter *match_start,
1351 GtkTextIter *match_end)
1352 {
1353 GtkTextIter line, next;
1354 gchar *line_text;
1355 const gchar *found;
1356 gint offset;
1357
1358 if (*lines == NULL || **lines == '\0')
1359 {
1360 if (match_start)
1361 *match_start = *start;
1362 if (match_end)
1363 *match_end = *start;
1364 return TRUE;
1365 }
1366
1367 line = next = *start;
1368 if (gtk_text_iter_get_line_offset (&next) == 0)
1369 {
1370 if (!gtk_text_iter_backward_line (&next))
1371 return FALSE;
1372 }
1373 else
1374 gtk_text_iter_set_line_offset (&next, 0);
1375
1376 if (slice)
1377 {
1378 if (visible_only)
1379 line_text = gtk_text_iter_get_visible_slice (&next, &line);
1380 else
1381 line_text = gtk_text_iter_get_slice (&next, &line);
1382 }
1383 else
1384 {
1385 if (visible_only)
1386 line_text = gtk_text_iter_get_visible_text (&next, &line);
1387 else
1388 line_text = gtk_text_iter_get_text (&next, &line);
1389 }
1390
1391 if (match_start) /* if this is the first line we're matching */
1392 {
1393 found = g_utf8_strrcasestr (line_text, *lines);
1394 }
1395 else
1396 {
1397 /* If it's not the first line, we have to match from the
1398 * start of the line.
1399 */
1400 if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
1401 strlen (*lines)))
1402 found = line_text;
1403 else
1404 found = NULL;
1405 }
1406
1407 if (found == NULL)
1408 {
1409 g_free (line_text);
1410 return FALSE;
1411 }
1412
1413 /* Get offset to start of search string */
1414 offset = g_utf8_strlen (line_text, found - line_text);
1415
1416 forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
1417
1418 /* If match start needs to be returned, set it to the
1419 * start of the search string.
1420 */
1421 if (match_start)
1422 {
1423 *match_start = next;
1424 }
1425
1426 /* Go to end of search string */
1427 forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
1428
1429 g_free (line_text);
1430
1431 ++lines;
1432
1433 if (match_end)
1434 *match_end = next;
1435
1436 /* try to match the rest of the lines forward, passing NULL
1437 * for match_start so lines_match will try to match the entire
1438 * line */
1439 return lines_match (&next, lines, visible_only,
1440 slice, NULL, match_end);
1441 }
1442
1443 gboolean
1444 empathy_text_iter_backward_search (const GtkTextIter *iter,
1445 const gchar *str,
1446 GtkTextIter *match_start,
1447 GtkTextIter *match_end,
1448 const GtkTextIter *limit)
1449 {
1450 gchar **lines = NULL;
1451 GtkTextIter match;
1452 gboolean retval = FALSE;
1453 GtkTextIter search;
1454 gboolean visible_only;
1455 gboolean slice;
1456
1457 g_return_val_if_fail (iter != NULL, FALSE);
1458 g_return_val_if_fail (str != NULL, FALSE);
1459
1460 if (limit && gtk_text_iter_compare (iter, limit) <= 0)
1461 return FALSE;
1462
1463 if (*str == '\0')
1464 {
1465 /* If we can move one char, return the empty string there */
1466 match = *iter;
1467
1468 if (gtk_text_iter_backward_char (&match))
1469 {
1470 if (limit && gtk_text_iter_equal (&match, limit))
1471 return FALSE;
1472
1473 if (match_start)
1474 *match_start = match;
1475 if (match_end)
1476 *match_end = match;
1477 return TRUE;
1478 }
1479 else
1480 {
1481 return FALSE;
1482 }
1483 }
1484
1485 visible_only = TRUE;
1486 slice = TRUE;
1487
1488 /* locate all lines */
1489 lines = strbreakup (str, "\n", -1);
1490
1491 search = *iter;
1492
1493 while (TRUE)
1494 {
1495 /* This loop has an inefficient worst-case, where
1496 * gtk_text_iter_get_text () is called repeatedly on
1497 * a single line.
1498 */
1499 GtkTextIter end;
1500
1501 if (limit && gtk_text_iter_compare (&search, limit) <= 0)
1502 break;
1503
1504 if (backward_lines_match (&search, (const gchar**)lines,
1505 visible_only, slice, &match, &end))
1506 {
1507 if (limit == NULL || (limit &&
1508 gtk_text_iter_compare (&end, limit) > 0))
1509 {
1510 retval = TRUE;
1511
1512 if (match_start)
1513 *match_start = match;
1514 if (match_end)
1515 *match_end = end;
1516 }
1517 break;
1518 }
1519
1520 if (gtk_text_iter_get_line_offset (&search) == 0)
1521 {
1522 if (!gtk_text_iter_backward_line (&search))
1523 break;
1524 }
1525 else
1526 {
1527 gtk_text_iter_set_line_offset (&search, 0);
1528 }
1529 }
1530
1531 g_strfreev ((gchar **) lines);
1532
1533 return retval;
1534 }
1535
1536 /* Takes care of moving the window to the current workspace. */
1537 void
1538 empathy_window_present_with_time (GtkWindow *window,
1539 guint32 timestamp)
1540 {
1541 GdkWindow *gdk_window;
1542
1543 g_return_if_fail (GTK_IS_WINDOW (window));
1544
1545 /* Move the window to the current workspace before trying to show it.
1546 * This is the behaviour people expect when clicking on the statusbar icon. */
1547 gdk_window = gtk_widget_get_window (GTK_WIDGET (window));
1548 if (gdk_window) {
1549 gint x, y;
1550 gint w, h;
1551
1552 /* Has no effect if the WM has viewports, like compiz */
1553 gdk_x11_window_move_to_current_desktop (gdk_window);
1554
1555 /* If window is still off-screen, hide it to force it to
1556 * reposition on the current workspace. */
1557 gtk_window_get_position (window, &x, &y);
1558 gtk_window_get_size (window, &w, &h);
1559 if (!EMPATHY_RECT_IS_ON_SCREEN (x, y, w, h))
1560 gtk_widget_hide (GTK_WIDGET (window));
1561 }
1562
1563 if (timestamp == GDK_CURRENT_TIME)
1564 gtk_window_present (window);
1565 else
1566 gtk_window_present_with_time (window, timestamp);
1567 }
1568
1569 void
1570 empathy_window_present (GtkWindow *window)
1571 {
1572 empathy_window_present_with_time (window, gtk_get_current_event_time ());
1573 }
1574
1575 GtkWindow *
1576 empathy_get_toplevel_window (GtkWidget *widget)
1577 {
1578 GtkWidget *toplevel;
1579
1580 g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
1581
1582 toplevel = gtk_widget_get_toplevel (widget);
1583 if (GTK_IS_WINDOW (toplevel) &&
1584 gtk_widget_is_toplevel (toplevel)) {
1585 return GTK_WINDOW (toplevel);
1586 }
1587
1588 return NULL;
1589 }
1590
1591 /** empathy_make_absolute_url_len:
1592 * @url: an url
1593 * @len: a length
1594 *
1595 * Same as #empathy_make_absolute_url but for a limited string length
1596 */
1597 gchar *
1598 empathy_make_absolute_url_len (const gchar *url,
1599 guint len)
1600 {
1601 g_return_val_if_fail (url != NULL, NULL);
1602
1603 if (g_str_has_prefix (url, "ghelp:") ||
1604 g_str_has_prefix (url, "mailto:") ||
1605 strstr (url, ":/")) {
1606 return g_strndup (url, len);
1607 }
1608
1609 if (strstr (url, "@")) {
1610 return g_strdup_printf ("mailto:%.*s", len, url);
1611 }
1612
1613 return g_strdup_printf ("http://%.*s", len, url);
1614 }
1615
1616 /** empathy_make_absolute_url:
1617 * @url: an url
1618 *
1619 * The URL opening code can't handle schemeless strings, so we try to be
1620 * smart and add http if there is no scheme or doesn't look like a mail
1621 * address. This should work in most cases, and let us click on strings
1622 * like "www.gnome.org".
1623 *
1624 * Returns: a newly allocated url with proper mailto: or http:// prefix, use
1625 * g_free when your are done with it
1626 */
1627 gchar *
1628 empathy_make_absolute_url (const gchar *url)
1629 {
1630 return empathy_make_absolute_url_len (url, strlen (url));
1631 }
1632
1633 void
1634 empathy_url_show (GtkWidget *parent,
1635 const char *url)
1636 {
1637 gchar *real_url;
1638 GError *error = NULL;
1639
1640 g_return_if_fail (parent == NULL || GTK_IS_WIDGET (parent));
1641 g_return_if_fail (url != NULL);
1642
1643 real_url = empathy_make_absolute_url (url);
1644
1645 gtk_show_uri (parent ? gtk_widget_get_screen (parent) : NULL, real_url,
1646 gtk_get_current_event_time (), &error);
1647
1648 if (error) {
1649 GtkWidget *dialog;
1650
1651 dialog = gtk_message_dialog_new (NULL, 0,
1652 GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
1653 _("Unable to open URI"));
1654 gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
1655 "%s", error->message);
1656
1657 g_signal_connect (dialog, "response",
1658 G_CALLBACK (gtk_widget_destroy),
1659 NULL);
1660 gtk_window_present (GTK_WINDOW (dialog));
1661
1662 g_clear_error (&error);
1663 }
1664
1665 g_free (real_url);
1666 }
1667
1668 void
1669 empathy_send_file (EmpathyContact *contact, GFile *file)
1670 {
1671 EmpathyFTFactory *factory;
1672 GtkRecentManager *manager;
1673 gchar *uri;
1674
1675 g_return_if_fail (EMPATHY_IS_CONTACT (contact));
1676 g_return_if_fail (G_IS_FILE (file));
1677
1678 factory = empathy_ft_factory_dup_singleton ();
1679
1680 empathy_ft_factory_new_transfer_outgoing (factory, contact, file);
1681
1682 uri = g_file_get_uri (file);
1683 manager = gtk_recent_manager_get_default ();
1684 gtk_recent_manager_add_item (manager, uri);
1685 g_free (uri);
1686
1687 g_object_unref (factory);
1688 }
1689
1690 void
1691 empathy_send_file_from_uri_list (EmpathyContact *contact, const gchar *uri_list)
1692 {
1693 const gchar *nl;
1694 GFile *file;
1695
1696 /* Only handle a single file for now. It would be wicked cool to be
1697 able to do multiple files, offering to zip them or whatever like
1698 nautilus-sendto does. Note that text/uri-list is defined to have
1699 each line terminated by \r\n, but we can be tolerant of applications
1700 that only use \n or don't terminate single-line entries.
1701 */
1702 nl = strstr (uri_list, "\r\n");
1703 if (!nl) {
1704 nl = strchr (uri_list, '\n');
1705 }
1706 if (nl) {
1707 gchar *uri = g_strndup (uri_list, nl - uri_list);
1708 file = g_file_new_for_uri (uri);
1709 g_free (uri);
1710 }
1711 else {
1712 file = g_file_new_for_uri (uri_list);
1713 }
1714
1715 empathy_send_file (contact, file);
1716
1717 g_object_unref (file);
1718 }
1719
1720 static void
1721 file_manager_send_file_response_cb (GtkDialog *widget,
1722 gint response_id,
1723 EmpathyContact *contact)
1724 {
1725 GFile *file;
1726
1727 if (response_id == GTK_RESPONSE_OK) {
1728 file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (widget));
1729
1730 empathy_send_file (contact, file);
1731
1732 g_object_unref (file);
1733 }
1734
1735 gtk_widget_destroy (GTK_WIDGET (widget));
1736 }
1737
1738 void
1739 empathy_send_file_with_file_chooser (EmpathyContact *contact)
1740 {
1741 GtkWidget *widget;
1742 GtkWidget *button;
1743
1744 g_return_if_fail (EMPATHY_IS_CONTACT (contact));
1745
1746 DEBUG ("Creating selection file chooser");
1747
1748 widget = gtk_file_chooser_dialog_new (_("Select a file"),
1749 NULL,
1750 GTK_FILE_CHOOSER_ACTION_OPEN,
1751 GTK_STOCK_CANCEL,
1752 GTK_RESPONSE_CANCEL,
1753 NULL);
1754
1755 /* send button */
1756 button = gtk_button_new_with_mnemonic (_("_Send"));
1757 gtk_button_set_image (GTK_BUTTON (button),
1758 gtk_image_new_from_icon_name (EMPATHY_IMAGE_DOCUMENT_SEND,
1759 GTK_ICON_SIZE_BUTTON));
1760 gtk_widget_show (button);
1761 gtk_dialog_add_action_widget (GTK_DIALOG (widget), button,
1762 GTK_RESPONSE_OK);
1763 gtk_widget_set_can_default (button, TRUE);
1764 gtk_dialog_set_default_response (GTK_DIALOG (widget),
1765 GTK_RESPONSE_OK);
1766
1767 gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (widget), FALSE);
1768
1769 gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (widget),
1770 g_get_home_dir ());
1771
1772 g_signal_connect (widget, "response",
1773 G_CALLBACK (file_manager_send_file_response_cb),
1774 contact);
1775
1776 gtk_widget_show (widget);
1777 }
1778
1779 static void
1780 file_manager_receive_file_response_cb (GtkDialog *dialog,
1781 GtkResponseType response,
1782 EmpathyFTHandler *handler)
1783 {
1784 EmpathyFTFactory *factory;
1785 GFile *file;
1786
1787 if (response == GTK_RESPONSE_OK) {
1788 GFile *parent;
1789 GFileInfo *info;
1790 guint64 free_space, file_size;
1791 GError *error = NULL;
1792
1793 file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
1794 parent = g_file_get_parent (file);
1795 info = g_file_query_filesystem_info (parent,
1796 G_FILE_ATTRIBUTE_FILESYSTEM_FREE,
1797 NULL, &error);
1798
1799 g_object_unref (parent);
1800
1801 if (error != NULL) {
1802 g_warning ("Error: %s", error->message);
1803
1804 g_object_unref (file);
1805 return;
1806 }
1807
1808 free_space = g_file_info_get_attribute_uint64 (info,
1809 G_FILE_ATTRIBUTE_FILESYSTEM_FREE);
1810 file_size = empathy_ft_handler_get_total_bytes (handler);
1811
1812 g_object_unref (info);
1813
1814 if (file_size > free_space) {
1815 GtkWidget *message = gtk_message_dialog_new (
1816 GTK_WINDOW (dialog),
1817 GTK_DIALOG_MODAL,
1818 GTK_MESSAGE_ERROR,
1819 GTK_BUTTONS_CLOSE,
1820 _("Insufficient free space to save file"));
1821 char *file_size_str, *free_space_str;
1822
1823 file_size_str = g_format_size_for_display (file_size);
1824 free_space_str = g_format_size_for_display (free_space);
1825
1826 gtk_message_dialog_format_secondary_text (
1827 GTK_MESSAGE_DIALOG (message),
1828 _("%s of free space are required to save this "
1829 "file, but only %s is available. Please "
1830 "choose another location."),
1831 file_size_str, free_space_str);
1832
1833 gtk_dialog_run (GTK_DIALOG (message));
1834
1835 g_free (file_size_str);
1836 g_free (free_space_str);
1837 gtk_widget_destroy (message);
1838
1839 g_object_unref (file);
1840
1841 return;
1842 }
1843
1844 factory = empathy_ft_factory_dup_singleton ();
1845
1846 empathy_ft_factory_set_destination_for_incoming_handler (
1847 factory, handler, file);
1848
1849 g_object_unref (factory);
1850 g_object_unref (file);
1851 } else {
1852 /* unref the handler, as we dismissed the file chooser,
1853 * and refused the transfer.
1854 */
1855 g_object_unref (handler);
1856 }
1857
1858 gtk_widget_destroy (GTK_WIDGET (dialog));
1859 }
1860
1861 void
1862 empathy_receive_file_with_file_chooser (EmpathyFTHandler *handler)
1863 {
1864 GtkWidget *widget;
1865 const gchar *dir;
1866 EmpathyContact *contact;
1867 gchar *title;
1868
1869 contact = empathy_ft_handler_get_contact (handler);
1870 g_assert (contact != NULL);
1871
1872 title = g_strdup_printf (_("Incoming file from %s"),
1873 empathy_contact_get_alias (contact));
1874
1875 widget = gtk_file_chooser_dialog_new (title,
1876 NULL,
1877 GTK_FILE_CHOOSER_ACTION_SAVE,
1878 GTK_STOCK_CANCEL,
1879 GTK_RESPONSE_CANCEL,
1880 GTK_STOCK_SAVE,
1881 GTK_RESPONSE_OK,
1882 NULL);
1883 gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (widget),
1884 empathy_ft_handler_get_filename (handler));
1885 gtk_file_chooser_set_do_overwrite_confirmation
1886 (GTK_FILE_CHOOSER (widget), TRUE);
1887
1888 dir = g_get_user_special_dir (G_USER_DIRECTORY_DOWNLOAD);
1889 if (dir == NULL)
1890 /* Fallback to $HOME if $XDG_DOWNLOAD_DIR is not set */
1891 dir = g_get_home_dir ();
1892
1893 gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (widget), dir);
1894
1895 g_signal_connect (widget, "response",
1896 G_CALLBACK (file_manager_receive_file_response_cb), handler);
1897
1898 gtk_widget_show (widget);
1899 g_free (title);
1900 }
1901
1902 void
1903 empathy_make_color_whiter (GdkRGBA *color)
1904 {
1905 const GdkRGBA white = { 1.0, 1.0, 1.0, 1.0 };
1906
1907 color->red = (color->red + white.red) / 2;
1908 color->green = (color->green + white.green) / 2;
1909 color->blue = (color->blue + white.blue) / 2;
1910 }
1911
1912 static void
1913 menu_deactivate_cb (GtkMenu *menu,
1914 gpointer user_data)
1915 {
1916 /* FIXME: we shouldn't have to disconnect the signal (bgo #641327) */
1917 g_signal_handlers_disconnect_by_func (menu,
1918 menu_deactivate_cb, user_data);
1919
1920 gtk_menu_detach (menu);
1921 }
1922
1923 /* Convenient function to create a GtkMenu attached to @attach_to and detach
1924 * it when the menu is not displayed any more. This is useful when creating a
1925 * context menu that we want to get rid as soon as it as been displayed. */
1926 GtkWidget *
1927 empathy_context_menu_new (GtkWidget *attach_to)
1928 {
1929 GtkWidget *menu;
1930
1931 menu = gtk_menu_new ();
1932
1933 gtk_menu_attach_to_widget (GTK_MENU (menu), attach_to, NULL);
1934
1935 /* menu is initially unowned but gtk_menu_attach_to_widget () taked its
1936 * floating ref. We can either wait that @attach_to releases its ref when
1937 * it will be destroyed (when leaving Empathy most of the time) or explicitely
1938 * detach the menu when it's not displayed any more.
1939 * We go for the latter as we don't want to keep useless menus in memory
1940 * during the whole lifetime of Empathy. */
1941 g_signal_connect (menu, "deactivate", G_CALLBACK (menu_deactivate_cb), NULL);
1942
1943 return menu;
1944 }
1945
1946 gint64
1947 empathy_get_current_action_time (void)
1948 {
1949 return (tp_user_action_time_from_x11 (gtk_get_current_event_time ()));
1950 }
1951
1952 /* @words = empathy_live_search_strip_utf8_string (@text);
1953 *
1954 * User has to pass both so we don't have to compute @words ourself each time
1955 * this function is called. */
1956 gboolean
1957 empathy_individual_match_string (FolksIndividual *individual,
1958 const char *text,
1959 GPtrArray *words)
1960 {
1961 const gchar *str;
1962 GeeSet *personas;
1963 GeeIterator *iter;
1964 gboolean retval = FALSE;
1965
1966 /* check alias name */
1967 str = folks_alias_details_get_alias (FOLKS_ALIAS_DETAILS (individual));
1968
1969 if (empathy_live_search_match_words (str, words))
1970 return TRUE;
1971
1972 personas = folks_individual_get_personas (individual);
1973
1974 /* check contact id, remove the @server.com part */
1975 iter = gee_iterable_iterator (GEE_ITERABLE (personas));
1976 while (retval == FALSE && gee_iterator_next (iter))
1977 {
1978 FolksPersona *persona = gee_iterator_get (iter);
1979 const gchar *p;
1980
1981 if (empathy_folks_persona_is_interesting (persona))
1982 {
1983 str = folks_persona_get_display_id (persona);
1984
1985 /* Accept the persona if @text is a full prefix of his ID; that allows
1986 * user to find, say, a jabber contact by typing his JID. */
1987 if (!g_str_has_prefix (str, text))
1988 {
1989 retval = TRUE;
1990 }
1991 else
1992 {
1993 gchar *dup_str = NULL;
1994 gboolean visible;
1995
1996 p = strstr (str, "@");
1997 if (p != NULL)
1998 str = dup_str = g_strndup (str, p - str);
1999
2000 visible = empathy_live_search_match_words (str, words);
2001 g_free (dup_str);
2002 if (visible)
2003 retval = TRUE;
2004 }
2005 }
2006 g_clear_object (&persona);
2007 }
2008 g_clear_object (&iter);
2009
2010 /* FIXME: Add more rules here, we could check phone numbers in
2011 * contact's vCard for example. */
2012 return retval;
2013 }
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