diff options
Diffstat (limited to 'panels/background/cc-background-panel.c')
| -rw-r--r-- | panels/background/cc-background-panel.c | 455 |
1 files changed, 455 insertions, 0 deletions
diff --git a/panels/background/cc-background-panel.c b/panels/background/cc-background-panel.c new file mode 100644 index 0000000..f748e9a --- /dev/null +++ b/panels/background/cc-background-panel.c @@ -0,0 +1,455 @@ +/* + * Copyright (C) 2010 Intel, Inc + * + * 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, see <http://www.gnu.org/licenses/>. + * + * Author: Thomas Wood <thomas.wood@intel.com> + * + */ + +#include <config.h> + +#include <string.h> +#include <glib.h> +#include <glib/gi18n-lib.h> +#include <glib/gstdio.h> + +#include <gdesktop-enums.h> + +#include "cc-background-panel.h" + +#include "cc-background-chooser.h" +#include "cc-background-item.h" +#include "cc-background-preview.h" +#include "cc-background-resources.h" +#include "cc-background-xml.h" + +#define WP_PATH_ID "org.gnome.desktop.background" +#define WP_LOCK_PATH_ID "org.gnome.desktop.screensaver" +#define WP_URI_KEY "picture-uri" +#define WP_URI_DARK_KEY "picture-uri-dark" +#define WP_OPTIONS_KEY "picture-options" +#define WP_SHADING_KEY "color-shading-type" +#define WP_PCOLOR_KEY "primary-color" +#define WP_SCOLOR_KEY "secondary-color" + +#define INTERFACE_PATH_ID "org.gnome.desktop.interface" +#define INTERFACE_COLOR_SCHEME_KEY "color-scheme" + +struct _CcBackgroundPanel +{ + CcPanel parent_instance; + + GDBusConnection *connection; + + GSettings *settings; + GSettings *lock_settings; + GSettings *interface_settings; + + GnomeDesktopThumbnailFactory *thumb_factory; + GDBusProxy *proxy; + + CcBackgroundItem *current_background; + + CcBackgroundChooser *background_chooser; + CcBackgroundPreview *default_preview; + CcBackgroundPreview *dark_preview; + GtkToggleButton *default_toggle; + GtkToggleButton *dark_toggle; +}; + +CC_PANEL_REGISTER (CcBackgroundPanel, cc_background_panel) + +static void +load_custom_css (CcBackgroundPanel *self) +{ + g_autoptr(GtkCssProvider) provider = NULL; + + provider = gtk_css_provider_new (); + gtk_css_provider_load_from_resource (provider, "/org/gnome/control-center/background/preview.css"); + gtk_style_context_add_provider_for_display (gdk_display_get_default (), + GTK_STYLE_PROVIDER (provider), + GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); +} + +static void +reload_color_scheme_toggles (CcBackgroundPanel *self) +{ + GDesktopColorScheme scheme; + + scheme = g_settings_get_enum (self->interface_settings, INTERFACE_COLOR_SCHEME_KEY); + + if (scheme == G_DESKTOP_COLOR_SCHEME_DEFAULT) + { + gtk_toggle_button_set_active (self->default_toggle, TRUE); + } + else if (scheme == G_DESKTOP_COLOR_SCHEME_PREFER_DARK) + { + gtk_toggle_button_set_active (self->dark_toggle, TRUE); + } + else + { + gtk_toggle_button_set_active (self->default_toggle, FALSE); + gtk_toggle_button_set_active (self->dark_toggle, FALSE); + } +} + +static void +transition_screen (CcBackgroundPanel *self) +{ + g_autoptr (GError) error = NULL; + + if (!self->proxy) + return; + + g_dbus_proxy_call_sync (self->proxy, + "ScreenTransition", + NULL, + G_DBUS_CALL_FLAGS_NONE, + -1, + NULL, + &error); + + if (error) + g_warning ("Couldn't transition screen: %s", error->message); +} + +static void +set_color_scheme (CcBackgroundPanel *self, + GDesktopColorScheme color_scheme) +{ + GDesktopColorScheme scheme; + + scheme = g_settings_get_enum (self->interface_settings, + INTERFACE_COLOR_SCHEME_KEY); + + /* We have to check the equality manually to avoid starting an unnecessary + * screen transition */ + if (color_scheme == scheme) + return; + + transition_screen (self); + + g_settings_set_enum (self->interface_settings, + INTERFACE_COLOR_SCHEME_KEY, + color_scheme); +} + +/* Color schemes */ + +static void +on_color_scheme_toggle_active_cb (CcBackgroundPanel *self) +{ + if (gtk_toggle_button_get_active (self->default_toggle)) + set_color_scheme (self, G_DESKTOP_COLOR_SCHEME_DEFAULT); + else if (gtk_toggle_button_get_active (self->dark_toggle)) + set_color_scheme (self, G_DESKTOP_COLOR_SCHEME_PREFER_DARK); +} + +static void +got_transition_proxy_cb (GObject *source_object, + GAsyncResult *res, + gpointer data) +{ + g_autoptr(GError) error = NULL; + CcBackgroundPanel *self = data; + + self->proxy = g_dbus_proxy_new_for_bus_finish (res, &error); + + if (self->proxy == NULL) + { + g_warning ("Error creating proxy: %s", error->message); + return; + } +} + +/* Background */ + +static void +update_preview (CcBackgroundPanel *panel) +{ + CcBackgroundItem *current_background; + + current_background = panel->current_background; + cc_background_preview_set_item (panel->default_preview, current_background); + cc_background_preview_set_item (panel->dark_preview, current_background); +} + +static gchar * +get_save_path (void) +{ + return g_build_filename (g_get_user_config_dir (), + "gnome-control-center", + "backgrounds", + "last-edited.xml", + NULL); +} + +static void +reload_current_bg (CcBackgroundPanel *panel) +{ + g_autoptr(CcBackgroundItem) saved = NULL; + CcBackgroundItem *configured; + GSettings *settings = NULL; + g_autofree gchar *uri = NULL; + g_autofree gchar *dark_uri = NULL; + g_autofree gchar *pcolor = NULL; + g_autofree gchar *scolor = NULL; + + /* Load the saved configuration */ + uri = get_save_path (); + saved = cc_background_xml_get_item (uri); + + /* initalise the current background information from settings */ + settings = panel->settings; + uri = g_settings_get_string (settings, WP_URI_KEY); + if (uri && *uri == '\0') + g_clear_pointer (&uri, g_free); + + + configured = cc_background_item_new (uri); + + dark_uri = g_settings_get_string (settings, WP_URI_DARK_KEY); + pcolor = g_settings_get_string (settings, WP_PCOLOR_KEY); + scolor = g_settings_get_string (settings, WP_SCOLOR_KEY); + g_object_set (G_OBJECT (configured), + "name", _("Current background"), + "uri-dark", dark_uri, + "placement", g_settings_get_enum (settings, WP_OPTIONS_KEY), + "shading", g_settings_get_enum (settings, WP_SHADING_KEY), + "primary-color", pcolor, + "secondary-color", scolor, + NULL); + + if (saved != NULL && cc_background_item_compare (saved, configured)) + { + CcBackgroundItemFlags flags; + flags = cc_background_item_get_flags (saved); + /* Special case for colours */ + if (cc_background_item_get_placement (saved) == G_DESKTOP_BACKGROUND_STYLE_NONE) + flags &=~ (CC_BACKGROUND_ITEM_HAS_PCOLOR | CC_BACKGROUND_ITEM_HAS_SCOLOR); + g_object_set (G_OBJECT (configured), + "name", cc_background_item_get_name (saved), + "flags", flags, + "source-url", cc_background_item_get_source_url (saved), + "source-xml", cc_background_item_get_source_xml (saved), + NULL); + } + + g_clear_object (&panel->current_background); + panel->current_background = configured; + cc_background_item_load (configured, NULL); +} + +static gboolean +create_save_dir (void) +{ + g_autofree char *path = NULL; + + path = g_build_filename (g_get_user_config_dir (), + "gnome-control-center", + "backgrounds", + NULL); + if (g_mkdir_with_parents (path, USER_DIR_MODE) < 0) + { + g_warning ("Failed to create directory '%s'", path); + return FALSE; + } + return TRUE; +} + +static void +set_background (CcBackgroundPanel *panel, + GSettings *settings, + CcBackgroundItem *item, + gboolean set_dark) +{ + GDesktopBackgroundStyle style; + CcBackgroundItemFlags flags; + g_autofree gchar *filename = NULL; + const char *uri; + + if (item == NULL) + return; + + uri = cc_background_item_get_uri (item); + flags = cc_background_item_get_flags (item); + + g_settings_set_string (settings, WP_URI_KEY, uri); + + if (set_dark) + { + const char *uri_dark; + + uri_dark = cc_background_item_get_uri_dark (item); + + if (uri_dark && uri_dark[0]) + g_settings_set_string (settings, WP_URI_DARK_KEY, uri_dark); + else + g_settings_set_string (settings, WP_URI_DARK_KEY, uri); + } + + /* Also set the placement if we have a URI and the previous value was none */ + if (flags & CC_BACKGROUND_ITEM_HAS_PLACEMENT) + { + g_settings_set_enum (settings, WP_OPTIONS_KEY, cc_background_item_get_placement (item)); + } + else if (uri != NULL) + { + style = g_settings_get_enum (settings, WP_OPTIONS_KEY); + if (style == G_DESKTOP_BACKGROUND_STYLE_NONE) + g_settings_set_enum (settings, WP_OPTIONS_KEY, cc_background_item_get_placement (item)); + } + + if (flags & CC_BACKGROUND_ITEM_HAS_SHADING) + g_settings_set_enum (settings, WP_SHADING_KEY, cc_background_item_get_shading (item)); + + g_settings_set_string (settings, WP_PCOLOR_KEY, cc_background_item_get_pcolor (item)); + g_settings_set_string (settings, WP_SCOLOR_KEY, cc_background_item_get_scolor (item)); + + /* Apply all changes */ + g_settings_apply (settings); + + /* Save the source XML if there is one */ + filename = get_save_path (); + if (create_save_dir ()) + cc_background_xml_save (panel->current_background, filename); +} + +static void +on_chooser_background_chosen_cb (CcBackgroundPanel *self, + CcBackgroundItem *item) +{ + set_background (self, self->settings, item, TRUE); + set_background (self, self->lock_settings, item, FALSE); +} + +static void +on_add_picture_button_clicked_cb (CcBackgroundPanel *self) +{ + cc_background_chooser_select_file (self->background_chooser); +} + +static const char * +cc_background_panel_get_help_uri (CcPanel *panel) +{ + return "help:gnome-help/look-background"; +} + +static void +cc_background_panel_dispose (GObject *object) +{ + CcBackgroundPanel *panel = CC_BACKGROUND_PANEL (object); + + g_clear_object (&panel->settings); + g_clear_object (&panel->lock_settings); + g_clear_object (&panel->interface_settings); + g_clear_object (&panel->thumb_factory); + g_clear_object (&panel->proxy); + + G_OBJECT_CLASS (cc_background_panel_parent_class)->dispose (object); +} + +static void +cc_background_panel_finalize (GObject *object) +{ + CcBackgroundPanel *panel = CC_BACKGROUND_PANEL (object); + + g_clear_object (&panel->current_background); + + G_OBJECT_CLASS (cc_background_panel_parent_class)->finalize (object); +} + +static void +cc_background_panel_class_init (CcBackgroundPanelClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + CcPanelClass *panel_class = CC_PANEL_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + g_type_ensure (CC_TYPE_BACKGROUND_CHOOSER); + g_type_ensure (CC_TYPE_BACKGROUND_PREVIEW); + + panel_class->get_help_uri = cc_background_panel_get_help_uri; + + object_class->dispose = cc_background_panel_dispose; + object_class->finalize = cc_background_panel_finalize; + + gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/background/cc-background-panel.ui"); + + gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, background_chooser); + gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, default_preview); + gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, dark_preview); + gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, default_toggle); + gtk_widget_class_bind_template_child (widget_class, CcBackgroundPanel, dark_toggle); + + gtk_widget_class_bind_template_callback (widget_class, on_color_scheme_toggle_active_cb); + gtk_widget_class_bind_template_callback (widget_class, on_chooser_background_chosen_cb); + gtk_widget_class_bind_template_callback (widget_class, on_add_picture_button_clicked_cb); +} + +static void +on_settings_changed (CcBackgroundPanel *panel) +{ + reload_current_bg (panel); + update_preview (panel); +} + +static void +cc_background_panel_init (CcBackgroundPanel *panel) +{ + g_resources_register (cc_background_get_resource ()); + + gtk_widget_init_template (GTK_WIDGET (panel)); + + panel->connection = g_application_get_dbus_connection (g_application_get_default ()); + + panel->thumb_factory = gnome_desktop_thumbnail_factory_new (GNOME_DESKTOP_THUMBNAIL_SIZE_LARGE); + + panel->settings = g_settings_new (WP_PATH_ID); + g_settings_delay (panel->settings); + + panel->lock_settings = g_settings_new (WP_LOCK_PATH_ID); + g_settings_delay (panel->lock_settings); + + panel->interface_settings = g_settings_new (INTERFACE_PATH_ID); + + /* Load the background */ + reload_current_bg (panel); + update_preview (panel); + + /* Background settings */ + g_signal_connect_object (panel->settings, "changed", G_CALLBACK (on_settings_changed), panel, G_CONNECT_SWAPPED); + + /* Interface settings */ + reload_color_scheme_toggles (panel); + + g_signal_connect_object (panel->interface_settings, + "changed::" INTERFACE_COLOR_SCHEME_KEY, + G_CALLBACK (reload_color_scheme_toggles), + panel, + G_CONNECT_SWAPPED); + + g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION, + G_DBUS_PROXY_FLAGS_NONE, + NULL, + "org.gnome.Shell", + "/org/gnome/Shell", + "org.gnome.Shell", + NULL, + got_transition_proxy_cb, + panel); + + load_custom_css (panel); +} |