656efd33af
There's a few things going on here, that unfortunately must happen in lockstep: - The gnome-desktop-3.0 dependency gets replaced by gnome-desktop-4 and gnome-bg-4. The code in ui/background.js required minor updates. - The libnma dependency gets replaced by a libnma4 dependency. The code in misc/modemManager.js required minor updates. - The gtk3 dependency is torn down everywhere but tests. Some missing GdkPixbuf dependencies had to be added to compensate for its lack. - gtk_init_check() is no longer called As a result, we replace a hard gtk3 dependency with a soft gtk4 run-time linking one, only added indirectly through gnome-bg-4 and libnma4. Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2655>
841 lines
28 KiB
JavaScript
841 lines
28 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
|
|
/* exported SystemBackground, BackgroundManager */
|
|
|
|
// READ THIS FIRST
|
|
// Background handling is a maze of objects, both objects in this file, and
|
|
// also objects inside Mutter. They all have a role.
|
|
//
|
|
// BackgroundManager
|
|
// The only object that other parts of GNOME Shell deal with; a
|
|
// BackgroundManager creates background actors and adds them to
|
|
// the specified container. When the background is changed by the
|
|
// user it will fade out the old actor and fade in the new actor.
|
|
// (This is separate from the fading for an animated background,
|
|
// since using two actors is quite inefficient.)
|
|
//
|
|
// MetaBackgroundImage
|
|
// An object represented an image file that will be used for drawing
|
|
// the background. MetaBackgroundImage objects asynchronously load,
|
|
// so they are first created in an unloaded state, then later emit
|
|
// a ::loaded signal when the Cogl object becomes available.
|
|
//
|
|
// MetaBackgroundImageCache
|
|
// A cache from filename to MetaBackgroundImage.
|
|
//
|
|
// BackgroundSource
|
|
// An object that is created for each GSettings schema (separate
|
|
// settings schemas are used for the lock screen and main background),
|
|
// and holds a reference to shared Background objects.
|
|
//
|
|
// MetaBackground
|
|
// Holds the specification of a background - a background color
|
|
// or gradient and one or two images blended together.
|
|
//
|
|
// Background
|
|
// JS delegate object that Connects a MetaBackground to the GSettings
|
|
// schema for the background.
|
|
//
|
|
// Animation
|
|
// A helper object that handles loading a XML-based animation; it is a
|
|
// wrapper for GnomeDesktop.BGSlideShow
|
|
//
|
|
// MetaBackgroundActor
|
|
// An actor that draws the background for a single monitor
|
|
//
|
|
// BackgroundCache
|
|
// A cache of Settings schema => BackgroundSource and of a single Animation.
|
|
// Also used to share file monitors.
|
|
//
|
|
// A static image, background color or gradient is relatively straightforward. The
|
|
// calling code creates a separate BackgroundManager for each monitor. Since they
|
|
// are created for the same GSettings schema, they will use the same BackgroundSource
|
|
// object, which provides a single Background and correspondingly a single
|
|
// MetaBackground object.
|
|
//
|
|
// BackgroundManager BackgroundManager
|
|
// | \ / |
|
|
// | BackgroundSource | looked up in BackgroundCache
|
|
// | | |
|
|
// | Background |
|
|
// | | |
|
|
// MetaBackgroundActor | MetaBackgroundActor
|
|
// \ | /
|
|
// `------- MetaBackground ------'
|
|
// |
|
|
// MetaBackgroundImage looked up in MetaBackgroundImageCache
|
|
//
|
|
// The animated case is tricker because the animation XML file can specify different
|
|
// files for different monitor resolutions and aspect ratios. For this reason,
|
|
// the BackgroundSource provides different Background share a single Animation object,
|
|
// which tracks the animation, but use different MetaBackground objects. In the
|
|
// common case, the different MetaBackground objects will be created for the
|
|
// same filename and look up the *same* MetaBackgroundImage object, so there is
|
|
// little wasted memory:
|
|
//
|
|
// BackgroundManager BackgroundManager
|
|
// | \ / |
|
|
// | BackgroundSource | looked up in BackgroundCache
|
|
// | / \ |
|
|
// | Background Background |
|
|
// | | \ / | |
|
|
// | | Animation | | looked up in BackgroundCache
|
|
// MetaBackgroundA|tor Me|aBackgroundActor
|
|
// \ | | /
|
|
// MetaBackground MetaBackground
|
|
// \ /
|
|
// MetaBackgroundImage looked up in MetaBackgroundImageCache
|
|
// MetaBackgroundImage
|
|
//
|
|
// But the case of different filenames and different background images
|
|
// is possible as well:
|
|
// ....
|
|
// MetaBackground MetaBackground
|
|
// | |
|
|
// MetaBackgroundImage MetaBackgroundImage
|
|
// MetaBackgroundImage MetaBackgroundImage
|
|
|
|
const {Clutter, GDesktopEnums, Gio, GLib, GObject, GnomeBG, GnomeDesktop, Meta} = imports.gi;
|
|
const Signals = imports.misc.signals;
|
|
|
|
const LoginManager = imports.misc.loginManager;
|
|
const Main = imports.ui.main;
|
|
const Params = imports.misc.params;
|
|
|
|
var DEFAULT_BACKGROUND_COLOR = Clutter.Color.from_pixel(0x2e3436ff);
|
|
|
|
const BACKGROUND_SCHEMA = 'org.gnome.desktop.background';
|
|
const PRIMARY_COLOR_KEY = 'primary-color';
|
|
const SECONDARY_COLOR_KEY = 'secondary-color';
|
|
const COLOR_SHADING_TYPE_KEY = 'color-shading-type';
|
|
const BACKGROUND_STYLE_KEY = 'picture-options';
|
|
const PICTURE_URI_KEY = 'picture-uri';
|
|
const PICTURE_URI_DARK_KEY = 'picture-uri-dark';
|
|
|
|
const INTERFACE_SCHEMA = 'org.gnome.desktop.interface';
|
|
const COLOR_SCHEME_KEY = 'color-scheme';
|
|
|
|
var FADE_ANIMATION_TIME = 1000;
|
|
|
|
// These parameters affect how often we redraw.
|
|
// The first is how different (percent crossfaded) the slide show
|
|
// has to look before redrawing and the second is the minimum
|
|
// frequency (in seconds) we're willing to wake up
|
|
var ANIMATION_OPACITY_STEP_INCREMENT = 4.0;
|
|
var ANIMATION_MIN_WAKEUP_INTERVAL = 1.0;
|
|
|
|
let _backgroundCache = null;
|
|
|
|
function _fileEqual0(file1, file2) {
|
|
if (file1 == file2)
|
|
return true;
|
|
|
|
if (!file1 || !file2)
|
|
return false;
|
|
|
|
return file1.equal(file2);
|
|
}
|
|
|
|
var BackgroundCache = class BackgroundCache extends Signals.EventEmitter {
|
|
constructor() {
|
|
super();
|
|
|
|
this._fileMonitors = {};
|
|
this._backgroundSources = {};
|
|
this._animations = {};
|
|
}
|
|
|
|
monitorFile(file) {
|
|
let key = file.hash();
|
|
if (this._fileMonitors[key])
|
|
return;
|
|
|
|
let monitor = file.monitor(Gio.FileMonitorFlags.NONE, null);
|
|
monitor.connect('changed',
|
|
(obj, theFile, otherFile, eventType) => {
|
|
// Ignore CHANGED and CREATED events, since in both cases
|
|
// we'll get a CHANGES_DONE_HINT event when done.
|
|
if (eventType != Gio.FileMonitorEvent.CHANGED &&
|
|
eventType != Gio.FileMonitorEvent.CREATED)
|
|
this.emit('file-changed', file);
|
|
});
|
|
|
|
this._fileMonitors[key] = monitor;
|
|
}
|
|
|
|
getAnimation(params) {
|
|
params = Params.parse(params, {
|
|
file: null,
|
|
settingsSchema: null,
|
|
onLoaded: null,
|
|
});
|
|
|
|
let animation = this._animations[params.settingsSchema];
|
|
if (animation && _fileEqual0(animation.file, params.file)) {
|
|
if (params.onLoaded) {
|
|
let id = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
|
|
params.onLoaded(this._animations[params.settingsSchema]);
|
|
return GLib.SOURCE_REMOVE;
|
|
});
|
|
GLib.Source.set_name_by_id(id, '[gnome-shell] params.onLoaded');
|
|
}
|
|
return;
|
|
}
|
|
|
|
animation = new Animation({ file: params.file });
|
|
|
|
animation.load_async(null, () => {
|
|
this._animations[params.settingsSchema] = animation;
|
|
|
|
if (params.onLoaded) {
|
|
let id = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
|
|
params.onLoaded(this._animations[params.settingsSchema]);
|
|
return GLib.SOURCE_REMOVE;
|
|
});
|
|
GLib.Source.set_name_by_id(id, '[gnome-shell] params.onLoaded');
|
|
}
|
|
});
|
|
}
|
|
|
|
getBackgroundSource(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(settingsSchema) {
|
|
if (settingsSchema in this._backgroundSources) {
|
|
let source = this._backgroundSources[settingsSchema];
|
|
source._useCount--;
|
|
if (source._useCount == 0) {
|
|
delete this._backgroundSources[settingsSchema];
|
|
source.destroy();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
function getBackgroundCache() {
|
|
if (!_backgroundCache)
|
|
_backgroundCache = new BackgroundCache();
|
|
return _backgroundCache;
|
|
}
|
|
|
|
var Background = GObject.registerClass({
|
|
Signals: { 'loaded': {}, 'bg-changed': {} },
|
|
}, class Background extends Meta.Background {
|
|
_init(params) {
|
|
params = Params.parse(params, {
|
|
monitorIndex: 0,
|
|
layoutManager: Main.layoutManager,
|
|
settings: null,
|
|
file: null,
|
|
style: null,
|
|
});
|
|
|
|
super._init({ meta_display: global.display });
|
|
|
|
this._settings = params.settings;
|
|
this._file = params.file;
|
|
this._style = params.style;
|
|
this._monitorIndex = params.monitorIndex;
|
|
this._layoutManager = params.layoutManager;
|
|
this._fileWatches = {};
|
|
this._cancellable = new Gio.Cancellable();
|
|
this.isLoaded = false;
|
|
|
|
this._interfaceSettings = new Gio.Settings({ schema_id: INTERFACE_SCHEMA });
|
|
|
|
this._clock = new GnomeDesktop.WallClock();
|
|
this._clock.connectObject('notify::timezone',
|
|
() => {
|
|
if (this._animation)
|
|
this._loadAnimation(this._animation.file);
|
|
}, this);
|
|
|
|
let loginManager = LoginManager.getLoginManager();
|
|
loginManager.connectObject('prepare-for-sleep',
|
|
(lm, aboutToSuspend) => {
|
|
if (aboutToSuspend)
|
|
return;
|
|
this._refreshAnimation();
|
|
}, this);
|
|
|
|
this._settings.connectObject('changed',
|
|
this._emitChangedSignal.bind(this), this);
|
|
|
|
this._interfaceSettings.connectObject(`changed::${COLOR_SCHEME_KEY}`,
|
|
this._emitChangedSignal.bind(this), this);
|
|
|
|
this._load();
|
|
}
|
|
|
|
destroy() {
|
|
this._cancellable.cancel();
|
|
this._removeAnimationTimeout();
|
|
|
|
let i;
|
|
let keys = Object.keys(this._fileWatches);
|
|
for (i = 0; i < keys.length; i++)
|
|
this._cache.disconnect(this._fileWatches[keys[i]]);
|
|
|
|
this._fileWatches = null;
|
|
|
|
this._clock.disconnectObject(this);
|
|
this._clock = null;
|
|
|
|
LoginManager.getLoginManager().disconnectObject(this);
|
|
this._settings.disconnectObject(this);
|
|
this._interfaceSettings.disconnectObject(this);
|
|
|
|
if (this._changedIdleId) {
|
|
GLib.source_remove(this._changedIdleId);
|
|
this._changedIdleId = 0;
|
|
}
|
|
}
|
|
|
|
_emitChangedSignal() {
|
|
if (this._changedIdleId)
|
|
return;
|
|
|
|
this._changedIdleId = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
|
|
this._changedIdleId = 0;
|
|
this.emit('bg-changed');
|
|
return GLib.SOURCE_REMOVE;
|
|
});
|
|
GLib.Source.set_name_by_id(this._changedIdleId,
|
|
'[gnome-shell] Background._emitChangedSignal');
|
|
}
|
|
|
|
updateResolution() {
|
|
if (this._animation)
|
|
this._refreshAnimation();
|
|
}
|
|
|
|
_refreshAnimation() {
|
|
if (!this._animation)
|
|
return;
|
|
|
|
this._removeAnimationTimeout();
|
|
this._updateAnimation();
|
|
}
|
|
|
|
_setLoaded() {
|
|
if (this.isLoaded)
|
|
return;
|
|
|
|
this.isLoaded = true;
|
|
if (this._cancellable?.is_cancelled())
|
|
return;
|
|
|
|
let id = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
|
|
this.emit('loaded');
|
|
return GLib.SOURCE_REMOVE;
|
|
});
|
|
GLib.Source.set_name_by_id(id, '[gnome-shell] Background._setLoaded Idle');
|
|
}
|
|
|
|
_loadPattern() {
|
|
let colorString, res_, color, secondColor;
|
|
|
|
colorString = this._settings.get_string(PRIMARY_COLOR_KEY);
|
|
[res_, color] = Clutter.Color.from_string(colorString);
|
|
colorString = this._settings.get_string(SECONDARY_COLOR_KEY);
|
|
[res_, secondColor] = Clutter.Color.from_string(colorString);
|
|
|
|
let shadingType = this._settings.get_enum(COLOR_SHADING_TYPE_KEY);
|
|
|
|
if (shadingType == GDesktopEnums.BackgroundShading.SOLID)
|
|
this.set_color(color);
|
|
else
|
|
this.set_gradient(shadingType, color, secondColor);
|
|
}
|
|
|
|
_watchFile(file) {
|
|
let key = file.hash();
|
|
if (this._fileWatches[key])
|
|
return;
|
|
|
|
this._cache.monitorFile(file);
|
|
let signalId = this._cache.connect('file-changed',
|
|
(cache, changedFile) => {
|
|
if (changedFile.equal(file)) {
|
|
let imageCache = Meta.BackgroundImageCache.get_default();
|
|
imageCache.purge(changedFile);
|
|
this._emitChangedSignal();
|
|
}
|
|
});
|
|
this._fileWatches[key] = signalId;
|
|
}
|
|
|
|
_removeAnimationTimeout() {
|
|
if (this._updateAnimationTimeoutId) {
|
|
GLib.source_remove(this._updateAnimationTimeoutId);
|
|
this._updateAnimationTimeoutId = 0;
|
|
}
|
|
}
|
|
|
|
_updateAnimation() {
|
|
this._updateAnimationTimeoutId = 0;
|
|
|
|
this._animation.update(this._layoutManager.monitors[this._monitorIndex]);
|
|
let files = this._animation.keyFrameFiles;
|
|
|
|
let finish = () => {
|
|
this._setLoaded();
|
|
if (files.length > 1) {
|
|
this.set_blend(files[0], files[1],
|
|
this._animation.transitionProgress,
|
|
this._style);
|
|
} else if (files.length > 0) {
|
|
this.set_file(files[0], this._style);
|
|
} else {
|
|
this.set_file(null, this._style);
|
|
}
|
|
this._queueUpdateAnimation();
|
|
};
|
|
|
|
let cache = Meta.BackgroundImageCache.get_default();
|
|
let numPendingImages = files.length;
|
|
for (let i = 0; i < files.length; i++) {
|
|
this._watchFile(files[i]);
|
|
let image = cache.load(files[i]);
|
|
if (image.is_loaded()) {
|
|
numPendingImages--;
|
|
if (numPendingImages == 0)
|
|
finish();
|
|
} else {
|
|
// eslint-disable-next-line no-loop-func
|
|
let id = image.connect('loaded', () => {
|
|
image.disconnect(id);
|
|
numPendingImages--;
|
|
if (numPendingImages == 0)
|
|
finish();
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
_queueUpdateAnimation() {
|
|
if (this._updateAnimationTimeoutId != 0)
|
|
return;
|
|
|
|
if (!this._cancellable || this._cancellable.is_cancelled())
|
|
return;
|
|
|
|
if (!this._animation.transitionDuration)
|
|
return;
|
|
|
|
let nSteps = 255 / ANIMATION_OPACITY_STEP_INCREMENT;
|
|
let timePerStep = (this._animation.transitionDuration * 1000) / nSteps;
|
|
|
|
let interval = Math.max(ANIMATION_MIN_WAKEUP_INTERVAL * 1000,
|
|
timePerStep);
|
|
|
|
if (interval > GLib.MAXUINT32)
|
|
return;
|
|
|
|
this._updateAnimationTimeoutId = GLib.timeout_add(GLib.PRIORITY_DEFAULT,
|
|
interval,
|
|
() => {
|
|
this._updateAnimationTimeoutId = 0;
|
|
this._updateAnimation();
|
|
return GLib.SOURCE_REMOVE;
|
|
});
|
|
GLib.Source.set_name_by_id(this._updateAnimationTimeoutId, '[gnome-shell] this._updateAnimation');
|
|
}
|
|
|
|
_loadAnimation(file) {
|
|
this._cache.getAnimation({
|
|
file,
|
|
settingsSchema: this._settings.schema_id,
|
|
onLoaded: animation => {
|
|
this._animation = animation;
|
|
|
|
if (!this._animation || this._cancellable.is_cancelled()) {
|
|
this._setLoaded();
|
|
return;
|
|
}
|
|
|
|
this._updateAnimation();
|
|
this._watchFile(file);
|
|
},
|
|
});
|
|
}
|
|
|
|
_loadImage(file) {
|
|
this.set_file(file, this._style);
|
|
this._watchFile(file);
|
|
|
|
let cache = Meta.BackgroundImageCache.get_default();
|
|
let image = cache.load(file);
|
|
if (image.is_loaded()) {
|
|
this._setLoaded();
|
|
} else {
|
|
let id = image.connect('loaded', () => {
|
|
this._setLoaded();
|
|
image.disconnect(id);
|
|
});
|
|
}
|
|
}
|
|
|
|
async _loadFile(file) {
|
|
let info;
|
|
try {
|
|
info = await file.query_info_async(
|
|
Gio.FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
|
|
Gio.FileQueryInfoFlags.NONE,
|
|
0,
|
|
this._cancellable);
|
|
} catch (e) {
|
|
this._setLoaded();
|
|
return;
|
|
}
|
|
|
|
const contentType = info.get_content_type();
|
|
if (contentType === 'application/xml')
|
|
this._loadAnimation(file);
|
|
else
|
|
this._loadImage(file);
|
|
}
|
|
|
|
_load() {
|
|
this._cache = getBackgroundCache();
|
|
|
|
this._loadPattern();
|
|
|
|
if (!this._file) {
|
|
this._setLoaded();
|
|
return;
|
|
}
|
|
|
|
this._loadFile(this._file);
|
|
}
|
|
});
|
|
|
|
let _systemBackground;
|
|
|
|
var SystemBackground = GObject.registerClass({
|
|
Signals: { 'loaded': {} },
|
|
}, class SystemBackground extends Meta.BackgroundActor {
|
|
_init() {
|
|
if (_systemBackground == null) {
|
|
_systemBackground = new Meta.Background({ meta_display: global.display });
|
|
_systemBackground.set_color(DEFAULT_BACKGROUND_COLOR);
|
|
}
|
|
|
|
super._init({
|
|
meta_display: global.display,
|
|
monitor: 0,
|
|
});
|
|
this.content.background = _systemBackground;
|
|
|
|
let id = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
|
|
this.emit('loaded');
|
|
return GLib.SOURCE_REMOVE;
|
|
});
|
|
GLib.Source.set_name_by_id(id, '[gnome-shell] SystemBackground.loaded');
|
|
}
|
|
});
|
|
|
|
var BackgroundSource = class BackgroundSource {
|
|
constructor(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 = [];
|
|
|
|
const monitorManager = global.backend.get_monitor_manager();
|
|
this._monitorsChangedId =
|
|
monitorManager.connect('monitors-changed',
|
|
this._onMonitorsChanged.bind(this));
|
|
|
|
this._interfaceSettings = new Gio.Settings({ schema_id: INTERFACE_SCHEMA });
|
|
}
|
|
|
|
_onMonitorsChanged() {
|
|
for (let monitorIndex in this._backgrounds) {
|
|
let background = this._backgrounds[monitorIndex];
|
|
|
|
if (monitorIndex < this._layoutManager.monitors.length) {
|
|
background.updateResolution();
|
|
} else {
|
|
background.disconnect(background._changedId);
|
|
background.destroy();
|
|
delete this._backgrounds[monitorIndex];
|
|
}
|
|
}
|
|
}
|
|
|
|
getBackground(monitorIndex) {
|
|
let file = null;
|
|
let style;
|
|
|
|
// We don't watch changes to settings here,
|
|
// instead we rely on Background to watch those
|
|
// and emit 'bg-changed' at the right time
|
|
|
|
if (this._overrideImage != null) {
|
|
file = Gio.File.new_for_path(this._overrideImage);
|
|
style = GDesktopEnums.BackgroundStyle.ZOOM; // Hardcode
|
|
} else {
|
|
style = this._settings.get_enum(BACKGROUND_STYLE_KEY);
|
|
if (style != GDesktopEnums.BackgroundStyle.NONE) {
|
|
const colorScheme = this._interfaceSettings.get_enum('color-scheme');
|
|
const uri = this._settings.get_string(
|
|
colorScheme === GDesktopEnums.ColorScheme.PREFER_DARK
|
|
? PICTURE_URI_DARK_KEY
|
|
: PICTURE_URI_KEY);
|
|
|
|
file = Gio.File.new_for_commandline_arg(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 (file == null || !file.get_basename().endsWith('.xml'))
|
|
monitorIndex = 0;
|
|
|
|
if (!(monitorIndex in this._backgrounds)) {
|
|
let background = new Background({
|
|
monitorIndex,
|
|
layoutManager: this._layoutManager,
|
|
settings: this._settings,
|
|
file,
|
|
style,
|
|
});
|
|
|
|
background._changedId = background.connect('bg-changed', () => {
|
|
background.disconnect(background._changedId);
|
|
background.destroy();
|
|
delete this._backgrounds[monitorIndex];
|
|
});
|
|
|
|
this._backgrounds[monitorIndex] = background;
|
|
}
|
|
|
|
return this._backgrounds[monitorIndex];
|
|
}
|
|
|
|
destroy() {
|
|
const monitorManager = global.backend.get_monitor_manager();
|
|
monitorManager.disconnect(this._monitorsChangedId);
|
|
|
|
for (let monitorIndex in this._backgrounds) {
|
|
let background = this._backgrounds[monitorIndex];
|
|
background.disconnect(background._changedId);
|
|
background.destroy();
|
|
}
|
|
|
|
this._backgrounds = null;
|
|
}
|
|
};
|
|
|
|
var Animation = GObject.registerClass(
|
|
class Animation extends GnomeBG.BGSlideShow {
|
|
_init(params) {
|
|
super._init(params);
|
|
|
|
this.keyFrameFiles = [];
|
|
this.transitionProgress = 0.0;
|
|
this.transitionDuration = 0.0;
|
|
this.loaded = false;
|
|
}
|
|
|
|
// eslint-disable-next-line camelcase
|
|
load_async(cancellable, callback) {
|
|
super.load_async(cancellable, () => {
|
|
this.loaded = true;
|
|
|
|
callback?.();
|
|
});
|
|
}
|
|
|
|
update(monitor) {
|
|
this.keyFrameFiles = [];
|
|
|
|
if (this.get_num_slides() < 1)
|
|
return;
|
|
|
|
let [progress, duration, isFixed_, filename1, filename2] =
|
|
this.get_current_slide(monitor.width, monitor.height);
|
|
|
|
this.transitionDuration = duration;
|
|
this.transitionProgress = progress;
|
|
|
|
if (filename1)
|
|
this.keyFrameFiles.push(Gio.File.new_for_path(filename1));
|
|
|
|
if (filename2)
|
|
this.keyFrameFiles.push(Gio.File.new_for_path(filename2));
|
|
}
|
|
});
|
|
|
|
var BackgroundManager = class BackgroundManager extends Signals.EventEmitter {
|
|
constructor(params) {
|
|
super();
|
|
params = Params.parse(params, {
|
|
container: null,
|
|
layoutManager: Main.layoutManager,
|
|
monitorIndex: null,
|
|
vignette: false,
|
|
controlPosition: true,
|
|
settingsSchema: BACKGROUND_SCHEMA,
|
|
useContentSize: true,
|
|
});
|
|
|
|
let cache = getBackgroundCache();
|
|
this._settingsSchema = params.settingsSchema;
|
|
this._backgroundSource = cache.getBackgroundSource(params.layoutManager, params.settingsSchema);
|
|
|
|
this._container = params.container;
|
|
this._layoutManager = params.layoutManager;
|
|
this._vignette = params.vignette;
|
|
this._monitorIndex = params.monitorIndex;
|
|
this._controlPosition = params.controlPosition;
|
|
this._useContentSize = params.useContentSize;
|
|
|
|
this.backgroundActor = this._createBackgroundActor();
|
|
this._newBackgroundActor = null;
|
|
}
|
|
|
|
destroy() {
|
|
let cache = getBackgroundCache();
|
|
cache.releaseBackgroundSource(this._settingsSchema);
|
|
this._backgroundSource = null;
|
|
|
|
if (this._newBackgroundActor) {
|
|
this._newBackgroundActor.destroy();
|
|
this._newBackgroundActor = null;
|
|
}
|
|
|
|
if (this.backgroundActor) {
|
|
this.backgroundActor.destroy();
|
|
this.backgroundActor = null;
|
|
}
|
|
}
|
|
|
|
_swapBackgroundActor() {
|
|
let oldBackgroundActor = this.backgroundActor;
|
|
this.backgroundActor = this._newBackgroundActor;
|
|
this._newBackgroundActor = null;
|
|
this.emit('changed');
|
|
|
|
if (Main.layoutManager.screenTransition.visible) {
|
|
oldBackgroundActor.destroy();
|
|
return;
|
|
}
|
|
|
|
oldBackgroundActor.ease({
|
|
opacity: 0,
|
|
duration: FADE_ANIMATION_TIME,
|
|
mode: Clutter.AnimationMode.EASE_OUT_QUAD,
|
|
onComplete: () => oldBackgroundActor.destroy(),
|
|
});
|
|
}
|
|
|
|
_updateBackgroundActor() {
|
|
if (this._newBackgroundActor) {
|
|
/* Skip displaying existing background queued for load */
|
|
this._newBackgroundActor.destroy();
|
|
this._newBackgroundActor = null;
|
|
}
|
|
|
|
let newBackgroundActor = this._createBackgroundActor();
|
|
|
|
const oldContent = this.backgroundActor.content;
|
|
const newContent = newBackgroundActor.content;
|
|
|
|
newContent.vignette_sharpness = oldContent.vignette_sharpness;
|
|
newContent.brightness = oldContent.brightness;
|
|
|
|
newBackgroundActor.visible = this.backgroundActor.visible;
|
|
|
|
this._newBackgroundActor = newBackgroundActor;
|
|
|
|
const { background } = newBackgroundActor.content;
|
|
|
|
if (background.isLoaded) {
|
|
this._swapBackgroundActor();
|
|
} else {
|
|
newBackgroundActor.loadedSignalId = background.connect('loaded',
|
|
() => {
|
|
background.disconnect(newBackgroundActor.loadedSignalId);
|
|
newBackgroundActor.loadedSignalId = 0;
|
|
|
|
this._swapBackgroundActor();
|
|
});
|
|
}
|
|
}
|
|
|
|
_createBackgroundActor() {
|
|
let background = this._backgroundSource.getBackground(this._monitorIndex);
|
|
let backgroundActor = new Meta.BackgroundActor({
|
|
meta_display: global.display,
|
|
monitor: this._monitorIndex,
|
|
request_mode: this._useContentSize
|
|
? Clutter.RequestMode.CONTENT_SIZE
|
|
: Clutter.RequestMode.HEIGHT_FOR_WIDTH,
|
|
x_expand: !this._useContentSize,
|
|
y_expand: !this._useContentSize,
|
|
});
|
|
backgroundActor.content.set({
|
|
background,
|
|
vignette: this._vignette,
|
|
vignette_sharpness: 0.5,
|
|
brightness: 0.5,
|
|
});
|
|
|
|
this._container.add_child(backgroundActor);
|
|
|
|
if (this._controlPosition) {
|
|
let monitor = this._layoutManager.monitors[this._monitorIndex];
|
|
backgroundActor.set_position(monitor.x, monitor.y);
|
|
this._container.set_child_below_sibling(backgroundActor, null);
|
|
}
|
|
|
|
let changeSignalId = background.connect('bg-changed', () => {
|
|
background.disconnect(changeSignalId);
|
|
changeSignalId = null;
|
|
this._updateBackgroundActor();
|
|
});
|
|
|
|
let loadedSignalId;
|
|
if (background.isLoaded) {
|
|
GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
|
|
this.emit('loaded');
|
|
return GLib.SOURCE_REMOVE;
|
|
});
|
|
} else {
|
|
loadedSignalId = background.connect('loaded', () => {
|
|
background.disconnect(loadedSignalId);
|
|
loadedSignalId = null;
|
|
this.emit('loaded');
|
|
});
|
|
}
|
|
|
|
backgroundActor.connect('destroy', () => {
|
|
if (changeSignalId)
|
|
background.disconnect(changeSignalId);
|
|
|
|
if (loadedSignalId)
|
|
background.disconnect(loadedSignalId);
|
|
|
|
if (backgroundActor.loadedSignalId)
|
|
background.disconnect(backgroundActor.loadedSignalId);
|
|
});
|
|
|
|
return backgroundActor;
|
|
}
|
|
};
|