summaryrefslogtreecommitdiff
path: root/src/eom-application.c
blob: dbf1cb119126bbd4d52756809e096e0702792174 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
/* Eye Of Mate - Application Facade
 *
 * Copyright (C) 2006 The Free Software Foundation
 *
 * Author: Lucas Rocha <lucasr@gnome.org>
 *
 * Based on evince code (shell/ev-application.h) by:
 * 	- Martin Kretzschmar <martink@gnome.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "eom-image.h"
#include "eom-session.h"
#include "eom-window.h"
#include "eom-application.h"
#include "eom-util.h"

#include "totem-scrsaver.h"

#include <string.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <glib-object.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>

#define APPLICATION_SERVICE_NAME "org.mate.eom.ApplicationService"

static void eom_application_load_accelerators (void);
static void eom_application_save_accelerators (void);

#define EOM_APPLICATION_GET_PRIVATE(object) \
	(G_TYPE_INSTANCE_GET_PRIVATE ((object), EOM_TYPE_APPLICATION, EomApplicationPrivate))

G_DEFINE_TYPE (EomApplication, eom_application, GTK_TYPE_APPLICATION);

static void
eom_application_activate (GApplication *application)
{
	eom_application_open_window (EOM_APPLICATION (application),
				     GDK_CURRENT_TIME,
				     EOM_APPLICATION (application)->flags,
				     NULL);
}

static void
eom_application_open (GApplication *application,
		      GFile       **files,
		      gint          n_files,
		      const gchar  *hint)
{
	GSList *list = NULL;

	while (n_files--)
		list = g_slist_prepend (list, files[n_files]);

	eom_application_open_file_list (EOM_APPLICATION (application),
					list, GDK_CURRENT_TIME,
					EOM_APPLICATION (application)->flags,
					NULL);
}

static void
eom_application_finalize (GObject *object)
{
	EomApplication *application = EOM_APPLICATION (object);

	if (application->toolbars_model) {
		g_object_unref (application->toolbars_model);
		application->toolbars_model = NULL;
		g_free (application->toolbars_file);
		application->toolbars_file = NULL;
	}
	if (application->plugin_engine) {
		g_object_unref (application->plugin_engine);
		application->plugin_engine = NULL;
	}
	eom_application_save_accelerators ();
}

static void
eom_application_add_platform_data (GApplication *application,
				   GVariantBuilder *builder)
{
	EomApplication *app = EOM_APPLICATION (application);

	G_APPLICATION_CLASS (eom_application_parent_class)->add_platform_data (application,
									       builder);

	if (app->flags) {
		g_variant_builder_add (builder, "{sv}",
				       "eom-application-startup-flags",
				       g_variant_new_byte (app->flags));
	}
}

static void
eom_application_before_emit (GApplication *application,
			     GVariant *platform_data)
{
	GVariantIter iter;
	const gchar *key;
	GVariant *value;

	EOM_APPLICATION (application)->flags = 0;
	g_variant_iter_init (&iter, platform_data);
	while (g_variant_iter_loop (&iter, "{&sv}", &key, &value)) {
		if (strcmp (key, "eom-application-startup-flags") == 0) {
			EOM_APPLICATION (application)->flags = g_variant_get_byte (value);
		}
	}

	G_APPLICATION_CLASS (eom_application_parent_class)->before_emit (application,
									 platform_data);
}

static void
eom_application_class_init (EomApplicationClass *eom_application_class)
{
	GApplicationClass *application_class;
	GObjectClass *object_class;

	application_class = (GApplicationClass *) eom_application_class;
	object_class = (GObjectClass *) eom_application_class;

	object_class->finalize = eom_application_finalize;

	application_class->activate = eom_application_activate;
	application_class->open = eom_application_open;
	application_class->add_platform_data = eom_application_add_platform_data;
	application_class->before_emit = eom_application_before_emit;
}

static void
eom_application_init (EomApplication *eom_application)
{
	const gchar *dot_dir = eom_util_dot_dir ();

	eom_session_init (eom_application);

	eom_application->toolbars_model = egg_toolbars_model_new ();
	eom_application->plugin_engine = eom_plugin_engine_new ();
	eom_application->flags = 0;

	egg_toolbars_model_load_names (eom_application->toolbars_model,
				       EOM_DATA_DIR "/eom-toolbar.xml");

	if (G_LIKELY (dot_dir != NULL))
		eom_application->toolbars_file = g_build_filename
			(dot_dir, "eom_toolbar.xml", NULL);

	if (!dot_dir || !egg_toolbars_model_load_toolbars (eom_application->toolbars_model,
					       eom_application->toolbars_file)) {

		egg_toolbars_model_load_toolbars (eom_application->toolbars_model,
						  EOM_DATA_DIR "/eom-toolbar.xml");
	}

	egg_toolbars_model_set_flags (eom_application->toolbars_model, 0,
				      EGG_TB_MODEL_NOT_REMOVABLE);

	eom_application_load_accelerators ();
}

/**
 * eom_application_get_instance:
 *
 * Returns a singleton instance of #EomApplication currently running.
 * If not running yet, it will create one.
 *
 * Returns: (transfer none): a running #EomApplication.
 **/
EomApplication *
eom_application_get_instance (void)
{
	static EomApplication *instance;

	if (!instance) {
		instance = EOM_APPLICATION (g_object_new (EOM_TYPE_APPLICATION,
							  "application-id", APPLICATION_SERVICE_NAME,
							  "flags", G_APPLICATION_HANDLES_OPEN,
							  NULL));
	}

	return instance;
}

static EomWindow *
eom_application_get_empty_window (EomApplication *application)
{
	EomWindow *empty_window = NULL;
	GList *windows;
	GList *l;

	g_return_val_if_fail (EOM_IS_APPLICATION (application), NULL);

	windows = gtk_application_get_windows (GTK_APPLICATION (application));

	for (l = windows; l != NULL; l = l->next) {
		EomWindow *window = EOM_WINDOW (l->data);

		if (eom_window_is_empty (window)) {
			empty_window = window;
			break;
		}
	}

	return empty_window;
}

/**
 * eom_application_open_window:
 * @application: An #EomApplication.
 * @timestamp: The timestamp of the user interaction which triggered this call
 * (see gtk_window_present_with_time()).
 * @flags: A set of #EomStartupFlags influencing a new windows' state.
 * @error: Return location for a #GError, or NULL to ignore errors.
 *
 * Opens and presents an empty #EomWindow to the user. If there is
 * an empty window already open, this will be used. Otherwise, a
 * new one will be instantiated.
 *
 * Returns: %FALSE if @application is invalid, %TRUE otherwise
 **/
gboolean
eom_application_open_window (EomApplication  *application,
			     guint32         timestamp,
			     EomStartupFlags flags,
			     GError        **error)
{
	GtkWidget *new_window = NULL;

	new_window = GTK_WIDGET (eom_application_get_empty_window (application));

	if (new_window == NULL) {
		new_window = eom_window_new (flags);
	}

	g_return_val_if_fail (EOM_IS_APPLICATION (application), FALSE);

	gtk_window_present_with_time (GTK_WINDOW (new_window),
				      timestamp);

	return TRUE;
}

static EomWindow *
eom_application_get_file_window (EomApplication *application, GFile *file)
{
	EomWindow *file_window = NULL;
	GList *windows;
	GList *l;

	g_return_val_if_fail (file != NULL, NULL);
	g_return_val_if_fail (EOM_IS_APPLICATION (application), NULL);

	windows = gtk_window_list_toplevels ();

	for (l = windows; l != NULL; l = l->next) {
		if (EOM_IS_WINDOW (l->data)) {
			EomWindow *window = EOM_WINDOW (l->data);

			if (!eom_window_is_empty (window)) {
				EomImage *image = eom_window_get_image (window);
				GFile *window_file;

				window_file = eom_image_get_file (image);
				if (g_file_equal (window_file, file)) {
					file_window = window;
					break;
				}
			}
		}
	}

	g_list_free (windows);

	return file_window;
}

static void
eom_application_show_window (EomWindow *window, gpointer user_data)
{
	guint32 timestamp = GPOINTER_TO_UINT (user_data);
	
	/* set the proper interaction time on the window.
	 * Fall back to roundtripping to the X server when we
	 * don't have the timestamp, e.g. when launched from
	 * terminal. We also need to make sure that the window
	 * has been realized otherwise it will not work. lame.
	 */
	if (!gtk_widget_get_realized (GTK_WIDGET (window)))
		gtk_widget_realize (GTK_WIDGET (window));
	
	if (timestamp <= 0)
		timestamp = gdk_x11_get_server_time (gtk_widget_get_window (GTK_WIDGET (window)));
	
	gdk_x11_window_set_user_time (gtk_widget_get_window (GTK_WIDGET (window)),
				                  timestamp);
		      
	gtk_window_present (GTK_WINDOW (window));
}

/**
 * eom_application_open_file_list:
 * @application: An #EomApplication.
 * @file_list: (element-type GFile): A list of #GFile<!-- -->s
 * @timestamp: The timestamp of the user interaction which triggered this call
 * (see gtk_window_present_with_time()).
 * @flags: A set of #EomStartupFlags influencing a new windows' state.
 * @error: Return location for a #GError, or NULL to ignore errors.
 *
 * Opens a list of files in a #EomWindow. If an #EomWindow displaying the first
 * image in the list is already open, this will be used. Otherwise, an empty
 * #EomWindow is used, either already existing or newly created.
 *
 * Returns: Currently always %TRUE.
 **/
gboolean
eom_application_open_file_list (EomApplication  *application,
				GSList          *file_list,
				guint           timestamp,
				EomStartupFlags flags,
				GError         **error)
{
	EomWindow *new_window = NULL;

	if (file_list != NULL)
		new_window = eom_application_get_file_window (application,
							      (GFile *) file_list->data);

	if (new_window != NULL) {
		gtk_window_present_with_time (GTK_WINDOW (new_window),
					      timestamp);
		return TRUE;
	}

	new_window = eom_application_get_empty_window (application);

	if (new_window == NULL) {
		new_window = EOM_WINDOW (eom_window_new (flags));
	}

	g_signal_connect (new_window,
			  "prepared",
			  G_CALLBACK (eom_application_show_window),
			  GUINT_TO_POINTER (timestamp));

	eom_window_open_file_list (new_window, file_list);

	return TRUE;
}

/**
 * eom_application_open_uri_list:
 * @application: An #EomApplication.
 * @uri_list: (element-type utf8): A list of URIs.
 * @timestamp: The timestamp of the user interaction which triggered this call
 * (see gtk_window_present_with_time()).
 * @flags: A set of #EomStartupFlags influencing a new windows' state.
 * @error: Return location for a #GError, or NULL to ignore errors.
 *
 * Opens a list of images, from a list of URIs. See
 * eom_application_open_file_list() for details.
 *
 * Returns: Currently always %TRUE.
 **/
gboolean
eom_application_open_uri_list (EomApplication  *application,
 			       GSList          *uri_list,
 			       guint           timestamp,
 			       EomStartupFlags flags,
 			       GError         **error)
{
 	GSList *file_list = NULL;

 	g_return_val_if_fail (EOM_IS_APPLICATION (application), FALSE);

 	file_list = eom_util_string_list_to_file_list (uri_list);

 	return eom_application_open_file_list (application,
					       file_list,
					       timestamp,
					       flags,
					       error);
}

/**
 * eom_application_open_uris:
 * @application: an #EomApplication
 * @uris:  A #GList of URI strings.
 * @timestamp: The timestamp of the user interaction which triggered this call
 * (see gtk_window_present_with_time()).
 * @flags: A set of #EomStartupFlags influencing a new windows' state.
 * @error: Return location for a #GError, or NULL to ignore errors.
 *
 * Opens a list of images, from a list of URI strings. See
 * eom_application_open_file_list() for details.
 *
 * Returns: Currently always %TRUE.
 **/
gboolean
eom_application_open_uris (EomApplication  *application,
 			   gchar          **uris,
 			   guint           timestamp,
 			   EomStartupFlags flags,
 			   GError        **error)
{
 	GSList *file_list = NULL;

 	file_list = eom_util_strings_to_file_list (uris);

 	return eom_application_open_file_list (application, file_list, timestamp,
						    flags, error);
}

/**
 * eom_application_get_toolbars_model:
 * @application: An #EomApplication.
 *
 * Retrieves the #EggToolbarsModel for the toolbar in #EomApplication.
 *
 * Returns: (transfer none): An #EggToolbarsModel.
 **/
EggToolbarsModel *
eom_application_get_toolbars_model (EomApplication *application)
{
	g_return_val_if_fail (EOM_IS_APPLICATION (application), NULL);

	return application->toolbars_model;
}

/**
 * eom_application_save_toolbars_model:
 * @application: An #EomApplication.
 *
 * Causes the saving of the model of the toolbar in #EomApplication to a file.
 **/
void
eom_application_save_toolbars_model (EomApplication *application)
{
	if (G_LIKELY(application->toolbars_file != NULL))
        	egg_toolbars_model_save_toolbars (application->toolbars_model,
				 	          application->toolbars_file,
						  "1.0");
}

/**
 * eom_application_reset_toolbars_model:
 * @app: an #EomApplication
 *
 * Restores the toolbars model to the defaults.
 **/
void
eom_application_reset_toolbars_model (EomApplication *app)
{
	g_return_if_fail (EOM_IS_APPLICATION (app));

	g_object_unref (app->toolbars_model);

	app->toolbars_model = egg_toolbars_model_new ();

	egg_toolbars_model_load_names (app->toolbars_model,
				       EOM_DATA_DIR "/eom-toolbar.xml");
	egg_toolbars_model_load_toolbars (app->toolbars_model,
					  EOM_DATA_DIR "/eom-toolbar.xml");
	egg_toolbars_model_set_flags (app->toolbars_model, 0,
				      EGG_TB_MODEL_NOT_REMOVABLE);
}

/**
 * eom_application_screensaver_enable:
 * @application: an #EomApplication.
 *
 * Enables the screensaver. Usually necessary after a call to
 * eom_application_screensaver_disable().
 **/
void
eom_application_screensaver_enable (EomApplication *application)
{
        if (application->scr_saver)
                totem_scrsaver_enable (application->scr_saver);
}

/**
 * eom_application_screensaver_disable:
 * @application: an #EomApplication.
 *
 * Disables the screensaver. Useful when the application is in fullscreen or
 * similar mode.
 **/
void
eom_application_screensaver_disable (EomApplication *application)
{
        if (application->scr_saver)
                totem_scrsaver_disable (application->scr_saver);
}

static void
eom_application_load_accelerators (void)
{
		gchar* accelfile = g_build_filename(g_get_user_config_dir(), "mate", "accels", "eom", NULL);

	/* gtk_accel_map_load does nothing if the file does not exist */
	gtk_accel_map_load (accelfile);
	g_free (accelfile);
}

static void
eom_application_save_accelerators (void)
{
		gchar* accelfile = g_build_filename(g_get_user_config_dir(), "mate", "accels", "eom", NULL);

	gtk_accel_map_save (accelfile);
	g_free (accelfile);
}