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@ -1,5 +1,103 @@
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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// READ THIS FIRST
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// Background handling is a maze of objects, both objects in this file, and
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// also objects inside Mutter. They all have a role.
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//
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// BackgroundManager
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// The only object that other parts of GNOME Shell deal with; a
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// BackgroundManager creates background actors and adds them to
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// the specified container. When the background is changed by the
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// user it will fade out the old actor and fade in the new actor.
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// (This is separate from the fading for an animated background,
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// since using two actors is quite inefficient.)
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//
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// MetaBackgroundImage
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// An object represented an image file that will be used for drawing
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// the background. MetaBackgroundImage objects asynchronously load,
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// so they are first created in an unloaded state, then later emit
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// a ::loaded signal when the Cogl object becomes available.
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//
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// MetaBackgroundImageCache
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// A cache from filename to MetaBackgroundImage.
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//
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// BackgroundSource
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// An object that is created for each GSettings schema (separate
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// settings schemas are used for the lock screen and main background),
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// and holds a reference to shared Background objects.
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//
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// MetaBackground
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// Holds the specification of a background - a background color
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// or gradient and one or two images blended together.
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//
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// Background
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// JS delegate object that Connects a MetaBackground to the GSettings
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// schema for the background.
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//
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// Animation
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// A helper object that handles loading a XML-based animation; it is a
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// wrapper for GnomeDesktop.BGSlideShow
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//
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// MetaBackgroundActor
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// An actor that draws the background for a single monitor
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//
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// BackgroundActor
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// JS delegate object for MetaBackgroundActor.
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//
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// BackgroundCache
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// A cache of Settings schema => BackgroundSource and of a single Animation.
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// Also used to share file monitors.
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//
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// A static image, background color or gradient is relatively straightforward. The
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// calling code creates a separate BackgroundManager for each monitor. Since they
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// are created for the same GSettings schema, they will use the same BackgroundSource
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// object, which provides a single Background and correspondingly a single
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// MetaBackground object.
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//
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// BackgroundManager--- ----- BackgroundManager
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// BackgroundActor \./ BackgroundActor
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// | | \ | / | |
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// | | BackgroundSource | | looked up in BackgroundCache
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// | \ | / |
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// | `-------Background-------` |
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// MetaBackgroundActor | MetaBackgroundActor
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// \ | /
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// `--------- MetaBackground-------`
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// |
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// MetaBackgroundImage looked up in MetaBackgroundImageCache
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//
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// The animated case is tricker because the animation XML file can specify different
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// files for different monitor resolutions and aspect ratios. For this reason,
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// the BackgroundSource provides different Background share a single Animation object,
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// which tracks the animation, but use different MetaBackground objects. In the
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// common case, the different MetaBackground objects will be created for the
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// same filename and look up the *same* MetaBackgroundImage object, so there is
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// little wasted memory:
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//
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// BackgroundManager--- ----- BackgroundManager
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// BackgroundActor \./ BackgroundActor
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// | | \ | / | |
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// | | BackgroundSource | | looked up in BackgroundCache
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// | \ / \ / |
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// | Background Background |
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// | | \ / | |
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// | | Animation | | looked up in BackgroundCache
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// MetaBackg|oundActor MetaB|ckgroundActor
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// | | | |
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// | | | |
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// MetaBackground MetaBackground
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// \ /
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// MetaBackgroundImage looked up in MetaBackgroundImageCache
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// MetaBackgroundImage
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//
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// But the case of different filenames and different background images
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// is possible as well:
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// ....
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// MetaBackground MetaBackground
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// | |
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// MetaBackgroundImage MetaBackgroundImage
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// MetaBackgroundImage MetaBackgroundImage
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const Clutter = imports.gi.Clutter;
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const GDesktopEnums = imports.gi.GDesktopEnums;
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const Gio = imports.gi.Gio;
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@ -36,235 +134,25 @@ const BackgroundCache = new Lang.Class({
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Name: 'BackgroundCache',
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_init: function() {
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this._patterns = [];
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this._images = [];
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this._pendingFileLoads = [];
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this._fileMonitors = {};
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this._backgroundSources = {};
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},
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getPatternContent: function(params) {
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params = Params.parse(params, { monitorIndex: 0,
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color: null,
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secondColor: null,
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shadingType: null,
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effects: Meta.BackgroundEffects.NONE });
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let content = null;
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let candidateContent = null;
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for (let i = 0; i < this._patterns.length; i++) {
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if (this._patterns[i].get_shading() != params.shadingType)
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continue;
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if (!params.color.equal(this._patterns[i].get_color()))
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continue;
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if (params.shadingType != GDesktopEnums.BackgroundShading.SOLID &&
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!params.secondColor.equal(this._patterns[i].get_second_color()))
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continue;
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candidateContent = this._patterns[i];
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if (params.effects != this._patterns[i].effects)
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continue;
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break;
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}
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if (candidateContent) {
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content = candidateContent.copy(params.monitorIndex, params.effects);
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} else {
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content = new Meta.Background({ meta_screen: global.screen,
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monitor: params.monitorIndex,
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effects: params.effects });
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if (params.shadingType == GDesktopEnums.BackgroundShading.SOLID) {
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content.load_color(params.color);
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} else {
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content.load_gradient(params.shadingType, params.color, params.secondColor);
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}
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}
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this._patterns.push(content);
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return content;
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},
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_monitorFile: function(filename) {
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monitorFile: function(filename) {
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if (this._fileMonitors[filename])
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return;
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let file = Gio.File.new_for_path(filename);
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let monitor = file.monitor(Gio.FileMonitorFlags.NONE, null);
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let signalId = monitor.connect('changed',
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monitor.connect('changed',
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Lang.bind(this, function() {
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for (let i = 0; i < this._images.length; i++) {
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if (this._images[i].get_filename() == filename)
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this._images.splice(i, 1);
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}
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monitor.disconnect(signalId);
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this.emit('file-changed', filename);
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}));
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this._fileMonitors[filename] = monitor;
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},
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_removeContent: function(contentList, content) {
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let index = contentList.indexOf(content);
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if (index < 0)
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throw new Error("Trying to remove invalid content: " + content);
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contentList.splice(index, 1);
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},
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removePatternContent: function(content) {
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this._removeContent(this._patterns, content);
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},
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removeImageContent: function(content) {
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let filename = content.get_filename();
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let hasOtherUsers = this._images.some(function(content) { return filename == content.get_filename(); });
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if (!hasOtherUsers)
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delete this._fileMonitors[filename];
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this._removeContent(this._images, content);
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},
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_attachCallerToFileLoad: function(caller, fileLoad) {
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fileLoad.callers.push(caller);
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if (!caller.cancellable)
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return;
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caller.cancellable.connect(Lang.bind(this, function() {
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let idx = fileLoad.callers.indexOf(caller);
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fileLoad.callers.splice(idx, 1);
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if (fileLoad.callers.length == 0) {
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fileLoad.cancellable.cancel();
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let idx = this._pendingFileLoads.indexOf(fileLoad);
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this._pendingFileLoads.splice(idx, 1);
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}
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}));
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},
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_loadImageContent: function(params) {
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params = Params.parse(params, { monitorIndex: 0,
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style: null,
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filename: null,
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effects: Meta.BackgroundEffects.NONE,
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cancellable: null,
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onFinished: null });
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let caller = { monitorIndex: params.monitorIndex,
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effects: params.effects,
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cancellable: params.cancellable,
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onFinished: params.onFinished };
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for (let i = 0; i < this._pendingFileLoads.length; i++) {
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let fileLoad = this._pendingFileLoads[i];
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if (fileLoad.filename == params.filename &&
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fileLoad.style == params.style) {
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this._attachCallerToFileLoad(caller, fileLoad);
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return;
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}
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}
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let fileLoad = { filename: params.filename,
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style: params.style,
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cancellable: new Gio.Cancellable(),
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callers: [] };
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this._attachCallerToFileLoad(caller, fileLoad);
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let content = new Meta.Background({ meta_screen: global.screen });
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content.load_file_async(params.filename,
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params.style,
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params.cancellable,
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Lang.bind(this,
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function(object, result) {
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try {
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content.load_file_finish(result);
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this._monitorFile(params.filename);
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} catch(e) {
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content = null;
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}
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for (let i = 0; i < fileLoad.callers.length; i++) {
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let caller = fileLoad.callers[i];
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if (caller.onFinished) {
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let newContent;
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if (content) {
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newContent = content.copy(caller.monitorIndex, caller.effects);
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this._images.push(newContent);
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}
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caller.onFinished(newContent);
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}
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}
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let idx = this._pendingFileLoads.indexOf(fileLoad);
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this._pendingFileLoads.splice(idx, 1);
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}));
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},
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getImageContent: function(params) {
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params = Params.parse(params, { monitorIndex: 0,
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style: null,
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filename: null,
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effects: Meta.BackgroundEffects.NONE,
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cancellable: null,
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onFinished: null });
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let content = null;
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let candidateContent = null;
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for (let i = 0; i < this._images.length; i++) {
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if (this._images[i].get_style() != params.style)
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continue;
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if (this._images[i].get_filename() != params.filename)
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continue;
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if (params.style == GDesktopEnums.BackgroundStyle.SPANNED &&
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this._images[i].monitor != params.monitorIndex)
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continue;
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candidateContent = this._images[i];
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if (params.effects != this._images[i].effects)
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continue;
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break;
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}
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if (candidateContent) {
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content = candidateContent.copy(params.monitorIndex, params.effects);
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if (params.cancellable && params.cancellable.is_cancelled())
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content = null;
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else
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this._images.push(content);
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if (params.onFinished)
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params.onFinished(content);
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} else {
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this._loadImageContent({ filename: params.filename,
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style: params.style,
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effects: params.effects,
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monitorIndex: params.monitorIndex,
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cancellable: params.cancellable,
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onFinished: params.onFinished });
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}
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},
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getAnimation: function(params) {
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params = Params.parse(params, { filename: null,
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onLoaded: null });
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@ -282,7 +170,6 @@ const BackgroundCache = new Lang.Class({
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let animation = new Animation({ filename: params.filename });
|
|
|
|
|
|
|
|
|
|
animation.load(Lang.bind(this, function() {
|
|
|
|
|
this._monitorFile(params.filename);
|
|
|
|
|
this._animationFilename = params.filename;
|
|
|
|
|
this._animation = animation;
|
|
|
|
|
|
|
|
|
|
@ -294,6 +181,31 @@ const BackgroundCache = new Lang.Class({
|
|
|
|
|
GLib.Source.set_name_by_id(id, '[gnome-shell] params.onLoaded');
|
|
|
|
|
}
|
|
|
|
|
}));
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
getBackgroundSource: function(layoutManager, settingsSchema) {
|
|
|
|
|
// The layoutManager is always the same one; we pass in it since
|
|
|
|
|
// Main.layoutManager may not be set yet
|
|
|
|
|
|
|
|
|
|
if (!(settingsSchema in this._backgroundSources)) {
|
|
|
|
|
this._backgroundSources[settingsSchema] = new BackgroundSource(layoutManager, settingsSchema);
|
|
|
|
|
this._backgroundSources[settingsSchema]._useCount = 1;
|
|
|
|
|
} else {
|
|
|
|
|
this._backgroundSources[settingsSchema]._useCount++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return this._backgroundSources[settingsSchema];
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
releaseBackgroundSource: function(settingsSchema) {
|
|
|
|
|
if (settingsSchema in this._backgroundSources) {
|
|
|
|
|
let source = this._backgroundSources[settingsSchema];
|
|
|
|
|
source._useCount--;
|
|
|
|
|
if (source._useCount == 0) {
|
|
|
|
|
delete this._backgroundSources[settingsSchema];
|
|
|
|
|
source.destroy();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
Signals.addSignalMethods(BackgroundCache.prototype);
|
|
|
|
|
@ -310,28 +222,18 @@ const Background = new Lang.Class({
|
|
|
|
|
_init: function(params) {
|
|
|
|
|
params = Params.parse(params, { monitorIndex: 0,
|
|
|
|
|
layoutManager: Main.layoutManager,
|
|
|
|
|
effects: Meta.BackgroundEffects.NONE,
|
|
|
|
|
settings: null,
|
|
|
|
|
overrideImage: null });
|
|
|
|
|
this.actor = new Meta.BackgroundGroup();
|
|
|
|
|
this.actor._delegate = this;
|
|
|
|
|
filename: null,
|
|
|
|
|
style: null });
|
|
|
|
|
|
|
|
|
|
this._destroySignalId = this.actor.connect('destroy',
|
|
|
|
|
Lang.bind(this, this._destroy));
|
|
|
|
|
this.background = new Meta.Background({ 'meta-screen': global.screen });
|
|
|
|
|
|
|
|
|
|
this._settings = params.settings;
|
|
|
|
|
this._overrideImage = params.overrideImage;
|
|
|
|
|
this._filename = params.filename;
|
|
|
|
|
this._style = params.style;
|
|
|
|
|
this._monitorIndex = params.monitorIndex;
|
|
|
|
|
this._layoutManager = params.layoutManager;
|
|
|
|
|
this._effects = params.effects;
|
|
|
|
|
this._fileWatches = {};
|
|
|
|
|
this._pattern = null;
|
|
|
|
|
// contains a single image for static backgrounds and
|
|
|
|
|
// two images (from and to) for slide shows
|
|
|
|
|
this._images = {};
|
|
|
|
|
|
|
|
|
|
this._brightness = 1.0;
|
|
|
|
|
this._vignetteSharpness = 0.2;
|
|
|
|
|
this._cancellable = new Gio.Cancellable();
|
|
|
|
|
this.isLoaded = false;
|
|
|
|
|
|
|
|
|
|
@ -342,7 +244,7 @@ const Background = new Lang.Class({
|
|
|
|
|
this._load();
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
_destroy: function() {
|
|
|
|
|
destroy: function() {
|
|
|
|
|
this._cancellable.cancel();
|
|
|
|
|
|
|
|
|
|
if (this._updateAnimationTimeoutId) {
|
|
|
|
|
@ -357,28 +259,6 @@ const Background = new Lang.Class({
|
|
|
|
|
}
|
|
|
|
|
this._fileWatches = null;
|
|
|
|
|
|
|
|
|
|
if (this._pattern) {
|
|
|
|
|
if (this._pattern.content)
|
|
|
|
|
this._cache.removePatternContent(this._pattern.content);
|
|
|
|
|
|
|
|
|
|
this._pattern.destroy();
|
|
|
|
|
this._pattern = null;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
keys = Object.keys(this._images);
|
|
|
|
|
for (i = 0; i < keys.length; i++) {
|
|
|
|
|
let actor = this._images[keys[i]];
|
|
|
|
|
|
|
|
|
|
if (actor.content)
|
|
|
|
|
this._cache.removeImageContent(actor.content);
|
|
|
|
|
|
|
|
|
|
actor.destroy();
|
|
|
|
|
this._images[keys[i]] = null;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
this.actor.disconnect(this._destroySignalId);
|
|
|
|
|
this._destroySignalId = 0;
|
|
|
|
|
|
|
|
|
|
if (this._settingsChangedSignalId != 0)
|
|
|
|
|
this._settings.disconnect(this._settingsChangedSignalId);
|
|
|
|
|
this._settingsChangedSignalId = 0;
|
|
|
|
|
@ -407,22 +287,17 @@ const Background = new Lang.Class({
|
|
|
|
|
|
|
|
|
|
let shadingType = this._settings.get_enum(COLOR_SHADING_TYPE_KEY);
|
|
|
|
|
|
|
|
|
|
let content = this._cache.getPatternContent({ monitorIndex: this._monitorIndex,
|
|
|
|
|
effects: this._effects,
|
|
|
|
|
color: color,
|
|
|
|
|
secondColor: secondColor,
|
|
|
|
|
shadingType: shadingType });
|
|
|
|
|
|
|
|
|
|
this._pattern = new Meta.BackgroundActor();
|
|
|
|
|
this.actor.add_child(this._pattern);
|
|
|
|
|
|
|
|
|
|
this._pattern.content = content;
|
|
|
|
|
if (shadingType == GDesktopEnums.BackgroundShading.SOLID)
|
|
|
|
|
this.background.set_color(color);
|
|
|
|
|
else
|
|
|
|
|
this.background.set_gradient(shadingType, color, secondColor);
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
_watchCacheFile: function(filename) {
|
|
|
|
|
_watchFile: function(filename) {
|
|
|
|
|
if (this._fileWatches[filename])
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
this._cache.monitorFile(filename);
|
|
|
|
|
let signalId = this._cache.connect('file-changed',
|
|
|
|
|
Lang.bind(this, function(cache, changedFile) {
|
|
|
|
|
if (changedFile == filename) {
|
|
|
|
|
@ -432,82 +307,46 @@ const Background = new Lang.Class({
|
|
|
|
|
this._fileWatches[filename] = signalId;
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
_ensureImage: function(index) {
|
|
|
|
|
if (this._images[index])
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
let actor = new Meta.BackgroundActor();
|
|
|
|
|
|
|
|
|
|
// The background pattern is the first actor in
|
|
|
|
|
// the group, and all images should be above that.
|
|
|
|
|
this.actor.insert_child_at_index(actor, index + 1);
|
|
|
|
|
this._images[index] = actor;
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
_updateImage: function(index, content, filename) {
|
|
|
|
|
content.brightness = this._brightness;
|
|
|
|
|
content.vignette_sharpness = this._vignetteSharpness;
|
|
|
|
|
|
|
|
|
|
let image = this._images[index];
|
|
|
|
|
if (image.content)
|
|
|
|
|
this._cache.removeImageContent(image.content);
|
|
|
|
|
image.content = content;
|
|
|
|
|
this._watchCacheFile(filename);
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
_updateAnimationProgress: function() {
|
|
|
|
|
if (this._images[1])
|
|
|
|
|
this._images[1].opacity = this._animation.transitionProgress * 255;
|
|
|
|
|
|
|
|
|
|
this._queueUpdateAnimation();
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
_updateAnimation: function() {
|
|
|
|
|
this._updateAnimationTimeoutId = 0;
|
|
|
|
|
|
|
|
|
|
this._animation.update(this._layoutManager.monitors[this._monitorIndex]);
|
|
|
|
|
let files = this._animation.keyFrameFiles;
|
|
|
|
|
|
|
|
|
|
if (files.length == 0) {
|
|
|
|
|
let finish = Lang.bind(this, function() {
|
|
|
|
|
this._setLoaded();
|
|
|
|
|
if (files.length > 1) {
|
|
|
|
|
this.background.set_blend(files[0], files[1],
|
|
|
|
|
this._animation.transitionProgress,
|
|
|
|
|
this._style);
|
|
|
|
|
} else if (files.length > 0) {
|
|
|
|
|
this.background.set_filename(files[0], this._style);
|
|
|
|
|
} else {
|
|
|
|
|
this.background.set_filename(null, this._style);
|
|
|
|
|
}
|
|
|
|
|
this._queueUpdateAnimation();
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
let numPendingImages = files.length;
|
|
|
|
|
for (let i = 0; i < files.length; i++) {
|
|
|
|
|
if (this._images[i] && this._images[i].content &&
|
|
|
|
|
this._images[i].content.get_filename() == files[i]) {
|
|
|
|
|
|
|
|
|
|
numPendingImages--;
|
|
|
|
|
if (numPendingImages == 0)
|
|
|
|
|
this._updateAnimationProgress();
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
this._cache.getImageContent({ monitorIndex: this._monitorIndex,
|
|
|
|
|
effects: this._effects,
|
|
|
|
|
style: this._style,
|
|
|
|
|
filename: files[i],
|
|
|
|
|
cancellable: this._cancellable,
|
|
|
|
|
onFinished: Lang.bind(this, function(content, i) {
|
|
|
|
|
numPendingImages--;
|
|
|
|
|
|
|
|
|
|
if (!content) {
|
|
|
|
|
this._setLoaded();
|
|
|
|
|
if (numPendingImages == 0)
|
|
|
|
|
this._updateAnimationProgress();
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
this._ensureImage(i);
|
|
|
|
|
this._updateImage(i, content, files[i]);
|
|
|
|
|
|
|
|
|
|
if (numPendingImages == 0) {
|
|
|
|
|
this._setLoaded();
|
|
|
|
|
this._updateAnimationProgress();
|
|
|
|
|
}
|
|
|
|
|
}, i)
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
let cache = Meta.BackgroundImageCache.get_default();
|
|
|
|
|
let numPendingImages = files.length;
|
|
|
|
|
let images = [];
|
|
|
|
|
for (let i = 0; i < files.length; i++) {
|
|
|
|
|
this._watchFile(files[i]);
|
|
|
|
|
let image = cache.load(files[i]);
|
|
|
|
|
images.push(image);
|
|
|
|
|
if (image.is_loaded()) {
|
|
|
|
|
numPendingImages--;
|
|
|
|
|
if (numPendingImages == 0)
|
|
|
|
|
finish();
|
|
|
|
|
} else {
|
|
|
|
|
let id = image.connect('loaded',
|
|
|
|
|
Lang.bind(this, function() {
|
|
|
|
|
image.disconnect(id);
|
|
|
|
|
numPendingImages--;
|
|
|
|
|
if (numPendingImages == 0)
|
|
|
|
|
finish();
|
|
|
|
|
}));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
@ -551,25 +390,26 @@ const Background = new Lang.Class({
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
this._updateAnimation();
|
|
|
|
|
this._watchCacheFile(filename);
|
|
|
|
|
this._watchFile(filename);
|
|
|
|
|
})
|
|
|
|
|
});
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
_loadImage: function(filename) {
|
|
|
|
|
this._cache.getImageContent({ monitorIndex: this._monitorIndex,
|
|
|
|
|
effects: this._effects,
|
|
|
|
|
style: this._style,
|
|
|
|
|
filename: filename,
|
|
|
|
|
cancellable: this._cancellable,
|
|
|
|
|
onFinished: Lang.bind(this, function(content) {
|
|
|
|
|
if (content) {
|
|
|
|
|
this._ensureImage(0);
|
|
|
|
|
this._updateImage(0, content, filename);
|
|
|
|
|
}
|
|
|
|
|
this.background.set_filename(filename, this._style);
|
|
|
|
|
this._watchFile(filename);
|
|
|
|
|
|
|
|
|
|
let cache = Meta.BackgroundImageCache.get_default();
|
|
|
|
|
let image = cache.load(filename);
|
|
|
|
|
if (image.is_loaded())
|
|
|
|
|
this._setLoaded();
|
|
|
|
|
})
|
|
|
|
|
});
|
|
|
|
|
else {
|
|
|
|
|
let id = image.connect('loaded',
|
|
|
|
|
Lang.bind(this, function() {
|
|
|
|
|
this._setLoaded();
|
|
|
|
|
image.disconnect(id);
|
|
|
|
|
}));
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
_loadFile: function(filename) {
|
|
|
|
|
@ -584,30 +424,58 @@ const Background = new Lang.Class({
|
|
|
|
|
|
|
|
|
|
this._loadPattern();
|
|
|
|
|
|
|
|
|
|
let filename;
|
|
|
|
|
if (this._overrideImage != null) {
|
|
|
|
|
filename = this._overrideImage;
|
|
|
|
|
this._style = GDesktopEnums.BackgroundStyle.ZOOM; // Hardcode
|
|
|
|
|
if (!this._filename) {
|
|
|
|
|
this._setLoaded();
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
this._loadFile(this._filename);
|
|
|
|
|
},
|
|
|
|
|
});
|
|
|
|
|
Signals.addSignalMethods(Background.prototype);
|
|
|
|
|
|
|
|
|
|
const BackgroundActor = new Lang.Class({
|
|
|
|
|
Name: 'Background',
|
|
|
|
|
|
|
|
|
|
_init: function(params) {
|
|
|
|
|
params = Params.parse(params, { background: null,
|
|
|
|
|
monitorIndex: 0,
|
|
|
|
|
vignette: false });
|
|
|
|
|
|
|
|
|
|
this.actor = new Meta.BackgroundActor({ 'meta-screen': global.screen,
|
|
|
|
|
'monitor': params.monitorIndex,
|
|
|
|
|
'background': params.background.background });
|
|
|
|
|
this.actor._delegate = this;
|
|
|
|
|
|
|
|
|
|
this._vignette = params.vignette;
|
|
|
|
|
this._brightness = 1.0;
|
|
|
|
|
this._vignetteSharpness = 0.2;
|
|
|
|
|
|
|
|
|
|
if (this._vignette)
|
|
|
|
|
this.actor.add_vignette(this._vignetteSharpness, this._brightness);
|
|
|
|
|
|
|
|
|
|
if (params.background.isLoaded) {
|
|
|
|
|
this._setLoaded();
|
|
|
|
|
} else {
|
|
|
|
|
this._style = this._settings.get_enum(BACKGROUND_STYLE_KEY);
|
|
|
|
|
if (this._style == GDesktopEnums.BackgroundStyle.NONE) {
|
|
|
|
|
let loadedSignalId = params.background.connect('loaded',
|
|
|
|
|
Lang.bind(this, function() {
|
|
|
|
|
params.background.disconnect(loadedSignalId);
|
|
|
|
|
this._setLoaded();
|
|
|
|
|
}));
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
_setLoaded: function() {
|
|
|
|
|
if (this.isLoaded)
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
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|
|
let uri = this._settings.get_string(PICTURE_URI_KEY);
|
|
|
|
|
if (GLib.uri_parse_scheme(uri) != null)
|
|
|
|
|
filename = Gio.File.new_for_uri(uri).get_path();
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|
|
else
|
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|
|
filename = uri;
|
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|
|
}
|
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|
|
this.isLoaded = true;
|
|
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|
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|
|
if (!filename) {
|
|
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|
|
this._setLoaded();
|
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|
|
return;
|
|
|
|
|
}
|
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|
|
this._loadFile(filename);
|
|
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|
|
let id = GLib.idle_add(GLib.PRIORITY_DEFAULT, Lang.bind(this, function() {
|
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|
|
this.emit('loaded');
|
|
|
|
|
return GLib.SOURCE_REMOVE;
|
|
|
|
|
}));
|
|
|
|
|
GLib.Source.set_name_by_id(id, '[gnome-shell] this.emit');
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
get brightness() {
|
|
|
|
|
@ -616,15 +484,8 @@ const Background = new Lang.Class({
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|
|
set brightness(factor) {
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|
|
|
|
this._brightness = factor;
|
|
|
|
|
if (this._pattern && this._pattern.content)
|
|
|
|
|
this._pattern.content.brightness = factor;
|
|
|
|
|
|
|
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|
|
let keys = Object.keys(this._images);
|
|
|
|
|
for (let i = 0; i < keys.length; i++) {
|
|
|
|
|
let image = this._images[keys[i]];
|
|
|
|
|
if (image && image.content)
|
|
|
|
|
image.content.brightness = factor;
|
|
|
|
|
}
|
|
|
|
|
if (this._vignette)
|
|
|
|
|
this.actor.add_vignette(this._brightness, this._vignetteSharpness);
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
get vignetteSharpness() {
|
|
|
|
|
@ -633,47 +494,115 @@ const Background = new Lang.Class({
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|
|
|
|
|
|
|
|
set vignetteSharpness(sharpness) {
|
|
|
|
|
this._vignetteSharpness = sharpness;
|
|
|
|
|
if (this._pattern && this._pattern.content)
|
|
|
|
|
this._pattern.content.vignette_sharpness = sharpness;
|
|
|
|
|
|
|
|
|
|
let keys = Object.keys(this._images);
|
|
|
|
|
for (let i = 0; i < keys.length; i++) {
|
|
|
|
|
let image = this._images[keys[i]];
|
|
|
|
|
if (image && image.content)
|
|
|
|
|
image.content.vignette_sharpness = sharpness;
|
|
|
|
|
}
|
|
|
|
|
if (this._vignette)
|
|
|
|
|
this.actor.add_vignette(this._brightness, this._vignetteSharpness);
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
Signals.addSignalMethods(Background.prototype);
|
|
|
|
|
Signals.addSignalMethods(BackgroundActor.prototype);
|
|
|
|
|
|
|
|
|
|
let _systemBackground;
|
|
|
|
|
|
|
|
|
|
const SystemBackground = new Lang.Class({
|
|
|
|
|
Name: 'SystemBackground',
|
|
|
|
|
|
|
|
|
|
_init: function() {
|
|
|
|
|
this._cache = getBackgroundCache();
|
|
|
|
|
this.actor = new Meta.BackgroundActor();
|
|
|
|
|
let filename = global.datadir + '/theme/noise-texture.png';
|
|
|
|
|
|
|
|
|
|
this._cache.getImageContent({ style: GDesktopEnums.BackgroundStyle.WALLPAPER,
|
|
|
|
|
filename: global.datadir + '/theme/noise-texture.png',
|
|
|
|
|
effects: Meta.BackgroundEffects.NONE,
|
|
|
|
|
onFinished: Lang.bind(this, function(content) {
|
|
|
|
|
this.actor.content = content;
|
|
|
|
|
if (_systemBackground == null) {
|
|
|
|
|
_systemBackground = new Meta.Background({ 'meta-screen': global.screen });
|
|
|
|
|
_systemBackground.set_filename(filename, GDesktopEnums.BackgroundStyle.WALLPAPER);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
this.actor = new Meta.BackgroundActor({ 'meta-screen': global.screen,
|
|
|
|
|
'monitor': 0,
|
|
|
|
|
'background': _systemBackground });
|
|
|
|
|
|
|
|
|
|
let cache = Meta.BackgroundImageCache.get_default();
|
|
|
|
|
let image = cache.load(filename);
|
|
|
|
|
if (image.is_loaded()) {
|
|
|
|
|
image = null;
|
|
|
|
|
let id = GLib.idle_add(GLib.PRIORITY_DEFAULT, Lang.bind(this, function() {
|
|
|
|
|
this.emit('loaded');
|
|
|
|
|
})
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
_onDestroy: function() {
|
|
|
|
|
let content = this.actor.content;
|
|
|
|
|
|
|
|
|
|
if (content)
|
|
|
|
|
this._cache.removeImageContent(content);
|
|
|
|
|
return GLib.SOURCE_REMOVE;
|
|
|
|
|
}));
|
|
|
|
|
GLib.Source.set_name_by_id(id, '[gnome-shell] SystemBackground.loaded');
|
|
|
|
|
} else {
|
|
|
|
|
let id = image.connect('loaded',
|
|
|
|
|
Lang.bind(this, function() {
|
|
|
|
|
this.emit('loaded');
|
|
|
|
|
image.disconnect(id);
|
|
|
|
|
image = null;
|
|
|
|
|
}));
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
});
|
|
|
|
|
Signals.addSignalMethods(SystemBackground.prototype);
|
|
|
|
|
|
|
|
|
|
const BackgroundSource = new Lang.Class({
|
|
|
|
|
Name: 'BackgroundSource',
|
|
|
|
|
|
|
|
|
|
_init: function(layoutManager, settingsSchema) {
|
|
|
|
|
// Allow override the background image setting for performance testing
|
|
|
|
|
this._layoutManager = layoutManager;
|
|
|
|
|
this._overrideImage = GLib.getenv('SHELL_BACKGROUND_IMAGE');
|
|
|
|
|
this._settings = new Gio.Settings({ schema_id: settingsSchema });
|
|
|
|
|
this._backgrounds = [];
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
getBackground: function(monitorIndex) {
|
|
|
|
|
let filename = null;
|
|
|
|
|
let style;
|
|
|
|
|
|
|
|
|
|
if (this._overrideImage != null) {
|
|
|
|
|
filename = this._overrideImage;
|
|
|
|
|
style = GDesktopEnums.BackgroundStyle.ZOOM; // Hardcode
|
|
|
|
|
} else {
|
|
|
|
|
style = this._settings.get_enum(BACKGROUND_STYLE_KEY);
|
|
|
|
|
if (style != GDesktopEnums.BackgroundStyle.NONE) {
|
|
|
|
|
let uri = this._settings.get_string(PICTURE_URI_KEY);
|
|
|
|
|
if (GLib.uri_parse_scheme(uri) != null)
|
|
|
|
|
filename = Gio.File.new_for_uri(uri).get_path();
|
|
|
|
|
else
|
|
|
|
|
filename = uri;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Animated backgrounds are (potentially) per-monitor, since
|
|
|
|
|
// they can have variants that depend on the aspect ratio and
|
|
|
|
|
// size of the monitor; for other backgrounds we can use the
|
|
|
|
|
// same background object for all monitors.
|
|
|
|
|
if (filename == null || !filename.endsWith('.xml'))
|
|
|
|
|
monitorIndex = 0;
|
|
|
|
|
|
|
|
|
|
if (!(monitorIndex in this._backgrounds)) {
|
|
|
|
|
let background = new Background({
|
|
|
|
|
monitorIndex: monitorIndex,
|
|
|
|
|
layoutManager: this._layoutManager,
|
|
|
|
|
settings: this._settings,
|
|
|
|
|
filename: filename,
|
|
|
|
|
style: style
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
let changedId = background.connect('changed', Lang.bind(this, function() {
|
|
|
|
|
background.disconnect(changedId);
|
|
|
|
|
background.destroy();
|
|
|
|
|
delete this._backgrounds[monitorIndex];
|
|
|
|
|
}));
|
|
|
|
|
|
|
|
|
|
this._backgrounds[monitorIndex] = background;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return this._backgrounds[monitorIndex];
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
destroy: function() {
|
|
|
|
|
for (let monitorIndex in this._backgrounds)
|
|
|
|
|
this._backgrounds[monitorIndex].destroy();
|
|
|
|
|
|
|
|
|
|
this._backgrounds = null;
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
const Animation = new Lang.Class({
|
|
|
|
|
Name: 'Animation',
|
|
|
|
|
|
|
|
|
|
@ -731,16 +660,17 @@ const BackgroundManager = new Lang.Class({
|
|
|
|
|
params = Params.parse(params, { container: null,
|
|
|
|
|
layoutManager: Main.layoutManager,
|
|
|
|
|
monitorIndex: null,
|
|
|
|
|
effects: Meta.BackgroundEffects.NONE,
|
|
|
|
|
vignette: false,
|
|
|
|
|
controlPosition: true,
|
|
|
|
|
settingsSchema: BACKGROUND_SCHEMA });
|
|
|
|
|
|
|
|
|
|
// Allow override the background image setting for performance testing
|
|
|
|
|
this._overrideImage = GLib.getenv('SHELL_BACKGROUND_IMAGE');
|
|
|
|
|
this._settings = new Gio.Settings({ schema_id: params.settingsSchema });
|
|
|
|
|
let cache = getBackgroundCache();
|
|
|
|
|
this._settingsSchema = params.settingsSchema;
|
|
|
|
|
this._backgroundSource = cache.getBackgroundSource(params.layoutManager, params.settingsSchema);
|
|
|
|
|
|
|
|
|
|
this._container = params.container;
|
|
|
|
|
this._layoutManager = params.layoutManager;
|
|
|
|
|
this._effects = params.effects;
|
|
|
|
|
this._vignette = params.vignette;
|
|
|
|
|
this._monitorIndex = params.monitorIndex;
|
|
|
|
|
this._controlPosition = params.controlPosition;
|
|
|
|
|
|
|
|
|
|
@ -749,6 +679,10 @@ const BackgroundManager = new Lang.Class({
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
destroy: function() {
|
|
|
|
|
let cache = getBackgroundCache();
|
|
|
|
|
cache.releaseBackgroundSource(this._settingsSchema);
|
|
|
|
|
this._backgroundSource = null;
|
|
|
|
|
|
|
|
|
|
if (this._newBackground) {
|
|
|
|
|
this._newBackground.actor.destroy();
|
|
|
|
|
this._newBackground = null;
|
|
|
|
|
@ -795,36 +729,35 @@ const BackgroundManager = new Lang.Class({
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
_createBackground: function() {
|
|
|
|
|
let background = new Background({ monitorIndex: this._monitorIndex,
|
|
|
|
|
layoutManager: this._layoutManager,
|
|
|
|
|
effects: this._effects,
|
|
|
|
|
settings: this._settings,
|
|
|
|
|
overrideImage: this._overrideImage });
|
|
|
|
|
this._container.add_child(background.actor);
|
|
|
|
|
let background = this._backgroundSource.getBackground(this._monitorIndex);
|
|
|
|
|
let backgroundActor = new BackgroundActor({ background: background,
|
|
|
|
|
monitorIndex: this._monitorIndex,
|
|
|
|
|
vignette: this._vignette });
|
|
|
|
|
this._container.add_child(backgroundActor.actor);
|
|
|
|
|
|
|
|
|
|
let monitor = this._layoutManager.monitors[this._monitorIndex];
|
|
|
|
|
|
|
|
|
|
background.actor.set_size(monitor.width, monitor.height);
|
|
|
|
|
backgroundActor.actor.set_size(monitor.width, monitor.height);
|
|
|
|
|
if (this._controlPosition) {
|
|
|
|
|
background.actor.set_position(monitor.x, monitor.y);
|
|
|
|
|
background.actor.lower_bottom();
|
|
|
|
|
backgroundActor.actor.set_position(monitor.x, monitor.y);
|
|
|
|
|
backgroundActor.actor.lower_bottom();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
background.changeSignalId = background.connect('changed', Lang.bind(this, function() {
|
|
|
|
|
background.disconnect(background.changeSignalId);
|
|
|
|
|
background.changeSignalId = 0;
|
|
|
|
|
let changeSignalId = background.connect('changed', Lang.bind(this, function() {
|
|
|
|
|
background.disconnect(changeSignalId);
|
|
|
|
|
changeSignalId = null;
|
|
|
|
|
this._updateBackground();
|
|
|
|
|
}));
|
|
|
|
|
|
|
|
|
|
background.actor.connect('destroy', Lang.bind(this, function() {
|
|
|
|
|
if (background.changeSignalId)
|
|
|
|
|
background.disconnect(background.changeSignalId);
|
|
|
|
|
backgroundActor.actor.connect('destroy', Lang.bind(this, function() {
|
|
|
|
|
if (changeSignalId)
|
|
|
|
|
background.disconnect(changeSignalId);
|
|
|
|
|
|
|
|
|
|
if (background.loadedSignalId)
|
|
|
|
|
background.disconnect(background.loadedSignalId);
|
|
|
|
|
if (backgroundActor.loadedSignalId)
|
|
|
|
|
background.disconnect(loadedSignalId);
|
|
|
|
|
}));
|
|
|
|
|
|
|
|
|
|
return background;
|
|
|
|
|
return backgroundActor;
|
|
|
|
|
},
|
|
|
|
|
});
|
|
|
|
|
Signals.addSignalMethods(BackgroundManager.prototype);
|
|
|
|
|
|
