GCC Code Coverage Report

Line	Branch	Exec	Source
1			/*
2			* Copyright (C) 2010 Intel, Inc
3			*
4			* This program is free software; you can redistribute it and/or modify
5			* it under the terms of the GNU General Public License as published by
6			* the Free Software Foundation; either version 2 of the License, or
7			* (at your option) any later version.
8			*
9			* This program is distributed in the hope that it will be useful,
10			* but WITHOUT ANY WARRANTY; without even the implied warranty of
11			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12			* GNU General Public License for more details.
13			*
14			* You should have received a copy of the GNU General Public License
15			* along with this program; if not, see <http://www.gnu.org/licenses/>.
16			*
17			* Author: Thomas Wood <thomas.wood@intel.com>
18			*
19			*/
20
21			#include <config.h>
22
23			#include <string.h>
24			#include <glib.h>
25			#include <glib/gi18n-lib.h>
26			#include <glib/gstdio.h>
27
28			#include <gdesktop-enums.h>
29
30			#include "cc-background-panel.h"
31
32			#include "cc-background-chooser.h"
33			#include "cc-background-item.h"
34			#include "cc-background-preview.h"
35			#include "cc-background-resources.h"
36
37			#define WP_PATH_ID "org.gnome.desktop.background"
38			#define WP_LOCK_PATH_ID "org.gnome.desktop.screensaver"
39			#define WP_URI_KEY "picture-uri"
40			#define WP_URI_DARK_KEY "picture-uri-dark"
41			#define WP_OPTIONS_KEY "picture-options"
42			#define WP_SHADING_KEY "color-shading-type"
43			#define WP_PCOLOR_KEY "primary-color"
44			#define WP_SCOLOR_KEY "secondary-color"
45
46			#define INTERFACE_PATH_ID "org.gnome.desktop.interface"
47			#define INTERFACE_COLOR_SCHEME_KEY "color-scheme"
48
49			struct _CcBackgroundPanel
50			{
51			CcPanel parent_instance;
52
53			GDBusConnection *connection;
54
55			GSettings *settings;
56			GSettings *lock_settings;
57			GSettings *interface_settings;
58
59			GDBusProxy *proxy;
60
61			CcBackgroundItem *current_background;
62
63			CcBackgroundChooser *background_chooser;
64			CcBackgroundPreview *default_preview;
65			CcBackgroundPreview *dark_preview;
66			GtkToggleButton *default_toggle;
67			GtkToggleButton *dark_toggle;
68			};
69
70		✗	CC_PANEL_REGISTER (CcBackgroundPanel, cc_background_panel)
71
72			static void on_settings_changed (CcBackgroundPanel *self);
73
74			static void
75		✗	load_custom_css (CcBackgroundPanel *self)
76			{
77		✗	g_autoptr(GtkCssProvider) provider = NULL;
78
79		✗	provider = gtk_css_provider_new ();
80		✗	gtk_css_provider_load_from_resource (provider, "/org/gnome/control-center/background/preview.css");
81		✗	gtk_style_context_add_provider_for_display (gdk_display_get_default (),
82		✗	GTK_STYLE_PROVIDER (provider),
83			GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
84		✗	}
85
86			static void
87		✗	reload_color_scheme_toggles (CcBackgroundPanel *self)
88			{
89			GDesktopColorScheme scheme;
90
91		✗	scheme = g_settings_get_enum (self->interface_settings, INTERFACE_COLOR_SCHEME_KEY);
92
93		✗	if (scheme == G_DESKTOP_COLOR_SCHEME_DEFAULT)
94			{
95		✗	gtk_toggle_button_set_active (self->default_toggle, TRUE);
96			}
97		✗	else if (scheme == G_DESKTOP_COLOR_SCHEME_PREFER_DARK)
98			{
99		✗	gtk_toggle_button_set_active (self->dark_toggle, TRUE);
100			}
101			else
102			{
103		✗	gtk_toggle_button_set_active (self->default_toggle, FALSE);
104		✗	gtk_toggle_button_set_active (self->dark_toggle, FALSE);
105			}
106		✗	}
107
108			static void
109		✗	transition_screen (CcBackgroundPanel *self)
110			{
111		✗	g_autoptr (GError) error = NULL;
112
113		✗	if (!self->proxy)
114		✗	return;
115
116		✗	g_dbus_proxy_call_sync (self->proxy,
117			"ScreenTransition",
118			NULL,
119			G_DBUS_CALL_FLAGS_NONE,
120			-1,
121			NULL,
122			&error);
123
124		✗	if (error)
125		✗	g_warning ("Couldn't transition screen: %s", error->message);
126			}
127
128			static void
129		✗	set_color_scheme (CcBackgroundPanel *self,
130			GDesktopColorScheme color_scheme)
131			{
132			GDesktopColorScheme scheme;
133
134		✗	scheme = g_settings_get_enum (self->interface_settings,
135			INTERFACE_COLOR_SCHEME_KEY);
136
137			/* We have to check the equality manually to avoid starting an unnecessary
138			* screen transition */
139		✗	if (color_scheme == scheme)
140		✗	return;
141
142		✗	transition_screen (self);
143
144		✗	g_settings_set_enum (self->interface_settings,
145			INTERFACE_COLOR_SCHEME_KEY,
146			color_scheme);
147			}
148
149			/* Color schemes */
150
151			static void
152		✗	on_color_scheme_toggle_active_cb (CcBackgroundPanel *self)
153			{
154		✗	if (gtk_toggle_button_get_active (self->default_toggle))
155		✗	set_color_scheme (self, G_DESKTOP_COLOR_SCHEME_DEFAULT);
156		✗	else if (gtk_toggle_button_get_active (self->dark_toggle))
157		✗	set_color_scheme (self, G_DESKTOP_COLOR_SCHEME_PREFER_DARK);
158		✗	}
159
160			static void
161		✗	got_transition_proxy_cb (GObject *source_object,
162			GAsyncResult *res,
163			gpointer data)
164			{
165		✗	g_autoptr(GError) error = NULL;
166		✗	CcBackgroundPanel *self = data;
167
168		✗	self->proxy = g_dbus_proxy_new_for_bus_finish (res, &error);
169
170		✗	if (self->proxy == NULL)
171			{
172		✗	g_warning ("Error creating proxy: %s", error->message);
173		✗	return;
174			}
175			}
176
177			/* Background */
178
179			static void
180		✗	update_preview (CcBackgroundPanel *self)
181			{
182			CcBackgroundItem *current_background;
183
184		✗	current_background = self->current_background;
185		✗	cc_background_preview_set_item (self->default_preview, current_background);
186		✗	cc_background_preview_set_item (self->dark_preview, current_background);
187		✗	}
188
189			static void
190		✗	reload_current_bg (CcBackgroundPanel *self)
191			{
192			CcBackgroundItem *configured;
193		✗	GSettings *settings = NULL;
194		✗	g_autofree gchar *uri = NULL;
195		✗	g_autofree gchar *dark_uri = NULL;
196		✗	g_autofree gchar *pcolor = NULL;
197		✗	g_autofree gchar *scolor = NULL;
198
199			/* initalise the current background information from settings */
200		✗	settings = self->settings;
201		✗	uri = g_settings_get_string (settings, WP_URI_KEY);
202		✗	if (uri && *uri == '\0')
203		✗	g_clear_pointer (&uri, g_free);
204
205
206		✗	configured = cc_background_item_new (uri);
207
208		✗	dark_uri = g_settings_get_string (settings, WP_URI_DARK_KEY);
209		✗	pcolor = g_settings_get_string (settings, WP_PCOLOR_KEY);
210		✗	scolor = g_settings_get_string (settings, WP_SCOLOR_KEY);
211		✗	g_object_set (G_OBJECT (configured),
212		✗	"name", _("Current background"),
213			"uri-dark", dark_uri,
214			"placement", g_settings_get_enum (settings, WP_OPTIONS_KEY),
215			"shading", g_settings_get_enum (settings, WP_SHADING_KEY),
216			"primary-color", pcolor,
217			"secondary-color", scolor,
218			NULL);
219
220		✗	g_clear_object (&self->current_background);
221		✗	self->current_background = configured;
222		✗	cc_background_item_load (configured, NULL);
223
224		✗	cc_background_chooser_set_active_item (self->background_chooser, configured);
225		✗	}
226
227			static void
228		✗	reset_settings_if_defaults (CcBackgroundPanel *self,
229			GSettings *settings,
230			gboolean check_dark)
231			{
232			gsize i;
233		✗	const char *keys[] = {
234			WP_URI_KEY, /* this key needs to be first */
235			WP_URI_DARK_KEY,
236			WP_OPTIONS_KEY,
237			WP_SHADING_KEY,
238			WP_PCOLOR_KEY,
239			WP_SCOLOR_KEY,
240			NULL
241			};
242
243		✗	for (i = 0; keys[i] != NULL; i++)
244			{
245		✗	g_autoptr (GVariant) default_value = NULL;
246		✗	g_autoptr (GVariant) user_value = NULL;
247			gboolean setting_is_default;
248
249		✗	if (!check_dark && g_str_equal (keys[i], WP_URI_DARK_KEY))
250		✗	continue;
251
252		✗	default_value = g_settings_get_default_value (settings, keys[i]);
253		✗	user_value = g_settings_get_value (settings, keys[i]);
254
255		✗	setting_is_default = g_variant_equal (default_value, user_value);
256
257			/* As a courtesy to distros that are a little lackadaisical about making sure
258			* schema defaults match the settings in the background item with the default
259			* picture, we only look at the URI to determine if we shouldn't clean out dconf.
260			*
261			* In otherwords, we still clean out the picture-uri key from dconf when a user
262			* selects the default background in control-center, even if after selecting it
263			* e.g., primary-color still mismatches with schema defaults.
264			*/
265		✗	if (g_str_equal (keys[i], WP_URI_KEY) && !setting_is_default)
266		✗	return;
267
268		✗	if (setting_is_default)
269		✗	g_settings_reset (settings, keys[i]);
270			}
271
272		✗	g_settings_apply (settings);
273			}
274
275			static void
276		✗	set_background (CcBackgroundPanel *self,
277			GSettings *settings,
278			CcBackgroundItem *item,
279			gboolean set_dark)
280			{
281			GDesktopBackgroundStyle style;
282			CcBackgroundItemFlags flags;
283		✗	g_autofree gchar *filename = NULL;
284			const char *uri;
285
286		✗	if (item == NULL)
287		✗	return;
288
289		✗	uri = cc_background_item_get_uri (item);
290		✗	flags = cc_background_item_get_flags (item);
291
292		✗	g_settings_set_string (settings, WP_URI_KEY, uri);
293
294		✗	if (set_dark)
295			{
296			const char *uri_dark;
297
298		✗	uri_dark = cc_background_item_get_uri_dark (item);
299
300		✗	if (uri_dark && uri_dark[0])
301		✗	g_settings_set_string (settings, WP_URI_DARK_KEY, uri_dark);
302			else
303		✗	g_settings_set_string (settings, WP_URI_DARK_KEY, uri);
304			}
305
306			/* Also set the placement if we have a URI and the previous value was none */
307		✗	if (flags & CC_BACKGROUND_ITEM_HAS_PLACEMENT)
308			{
309		✗	g_settings_set_enum (settings, WP_OPTIONS_KEY, cc_background_item_get_placement (item));
310			}
311		✗	else if (uri != NULL)
312			{
313		✗	style = g_settings_get_enum (settings, WP_OPTIONS_KEY);
314		✗	if (style == G_DESKTOP_BACKGROUND_STYLE_NONE)
315		✗	g_settings_set_enum (settings, WP_OPTIONS_KEY, cc_background_item_get_placement (item));
316			}
317
318		✗	if (flags & CC_BACKGROUND_ITEM_HAS_SHADING)
319		✗	g_settings_set_enum (settings, WP_SHADING_KEY, cc_background_item_get_shading (item));
320
321		✗	g_settings_set_string (settings, WP_PCOLOR_KEY, cc_background_item_get_pcolor (item));
322		✗	g_settings_set_string (settings, WP_SCOLOR_KEY, cc_background_item_get_scolor (item));
323
324			/* Apply all changes */
325		✗	g_settings_apply (settings);
326
327			/* Clean out dconf if the user went back to distro defaults */
328		✗	reset_settings_if_defaults (self, settings, set_dark);
329			}
330
331			static void
332		✗	on_chooser_background_chosen_cb (CcBackgroundPanel *self,
333			CcBackgroundItem *item)
334			{
335		✗	g_signal_handlers_block_by_func (self->settings, on_settings_changed, self);
336
337		✗	set_background (self, self->settings, item, TRUE);
338		✗	set_background (self, self->lock_settings, item, FALSE);
339
340		✗	on_settings_changed (self);
341
342		✗	g_signal_handlers_unblock_by_func (self->settings, on_settings_changed, self);
343		✗	}
344
345			static void
346		✗	on_add_picture_button_clicked_cb (CcBackgroundPanel *self)
347			{
348		✗	cc_background_chooser_select_file (self->background_chooser);
349		✗	}
350
351			static const char *
352		✗	cc_background_panel_get_help_uri (CcPanel *panel)
353			{
354		✗	return "help:gnome-help/look-background";
355			}
356
357			static void
358		✗	cc_background_panel_dispose (GObject *object)
359			{
360		✗	CcBackgroundPanel *self = CC_BACKGROUND_PANEL (object);
361
362		✗	g_clear_object (&self->settings);
363		✗	g_clear_object (&self->lock_settings);
364		✗	g_clear_object (&self->interface_settings);
365		✗	g_clear_object (&self->proxy);
366
367		✗	G_OBJECT_CLASS (cc_background_panel_parent_class)->dispose (object);
368		✗	}
369
370			static void
371		✗	cc_background_panel_finalize (GObject *object)
372			{
373		✗	CcBackgroundPanel *self = CC_BACKGROUND_PANEL (object);
374
375		✗	g_clear_object (&self->current_background);
376
377		✗	G_OBJECT_CLASS (cc_background_panel_parent_class)->finalize (object);
378		✗	}
379
380			static void
381		✗	cc_background_panel_class_init (CcBackgroundPanelClass *klass)
382			{
383		✗	GObjectClass *object_class = G_OBJECT_CLASS (klass);
384		✗	CcPanelClass *panel_class = CC_PANEL_CLASS (klass);
385		✗	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
386
387		✗	g_type_ensure (CC_TYPE_BACKGROUND_CHOOSER);
388		✗	g_type_ensure (CC_TYPE_BACKGROUND_PREVIEW);
389
390		✗	panel_class->get_help_uri = cc_background_panel_get_help_uri;
391
392		✗	object_class->dispose = cc_background_panel_dispose;
393		✗	object_class->finalize = cc_background_panel_finalize;
394
395		✗	gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/background/cc-background-panel.ui");
396
397		✗	gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, background_chooser);
398		✗	gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, default_preview);
399		✗	gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, dark_preview);
400		✗	gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, default_toggle);
401		✗	gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, dark_toggle);
402
403		✗	gtk_widget_class_bind_template_callback (widget_class, on_color_scheme_toggle_active_cb);
404		✗	gtk_widget_class_bind_template_callback (widget_class, on_chooser_background_chosen_cb);
405		✗	gtk_widget_class_bind_template_callback (widget_class, on_add_picture_button_clicked_cb);
406		✗	}
407
408			static void
409		✗	on_settings_changed (CcBackgroundPanel *self)
410			{
411		✗	reload_current_bg (self);
412		✗	update_preview (self);
413		✗	}
414
415			static void
416		✗	cc_background_panel_init (CcBackgroundPanel *self)
417			{
418		✗	g_resources_register (cc_background_get_resource ());
419
420		✗	gtk_widget_init_template (GTK_WIDGET (self));
421
422		✗	self->connection = g_application_get_dbus_connection (g_application_get_default ());
423
424		✗	self->settings = g_settings_new (WP_PATH_ID);
425		✗	g_settings_delay (self->settings);
426
427		✗	self->lock_settings = g_settings_new (WP_LOCK_PATH_ID);
428		✗	g_settings_delay (self->lock_settings);
429
430		✗	self->interface_settings = g_settings_new (INTERFACE_PATH_ID);
431
432			/* Load the background */
433		✗	reload_current_bg (self);
434		✗	update_preview (self);
435
436			/* Background settings */
437		✗	g_signal_connect_object (self->settings, "changed", G_CALLBACK (on_settings_changed), self, G_CONNECT_SWAPPED);
438
439			/* Interface settings */
440		✗	reload_color_scheme_toggles (self);
441
442		✗	g_signal_connect_object (self->interface_settings,
443			"changed::" INTERFACE_COLOR_SCHEME_KEY,
444			G_CALLBACK (reload_color_scheme_toggles),
445			self,
446			G_CONNECT_SWAPPED);
447
448		✗	g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION,
449			G_DBUS_PROXY_FLAGS_NONE,
450			NULL,
451			"org.gnome.Shell",
452			"/org/gnome/Shell",
453			"org.gnome.Shell",
454			NULL,
455			got_transition_proxy_cb,
456			self);
457
458		✗	load_custom_css (self);
459		✗	}
460