91707f4f82
Make gjs to compute the GType name for registered GObject-derived classes using the file basename and the first directory name, so that we can avoid name clashing, and ensure that no extension will break the shell by registering a name that is already used (by the shell or by any other extension). This requires gjs commit 02568304 [1] that will be part of release 3.35.2, so bump the required version as gjs does post-release version bumps. [1] https://gitlab.gnome.org/GNOME/gjs/merge_requests/337 https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/790
333 lines
11 KiB
JavaScript
333 lines
11 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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/* exported init */
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const Config = imports.misc.config;
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imports.gi.versions.Clutter = Config.LIBMUTTER_API_VERSION;
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imports.gi.versions.Gio = '2.0';
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imports.gi.versions.GdkPixbuf = '2.0';
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imports.gi.versions.Gtk = '3.0';
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imports.gi.versions.TelepathyGLib = '0.12';
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imports.gi.versions.TelepathyLogger = '0.2';
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const { Clutter, GLib, GObject, Meta, Shell, St } = imports.gi;
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const Gettext = imports.gettext;
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// We can't import shell JS modules yet, because they may have
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// variable initializations, etc, that depend on init() already having
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// been run.
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// "monkey patch" in some varargs ClutterContainer methods; we need
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// to do this per-container class since there is no representation
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// of interfaces in Javascript
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function _patchContainerClass(containerClass) {
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// This one is a straightforward mapping of the C method
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containerClass.prototype.child_set = function(actor, props) {
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let meta = this.get_child_meta(actor);
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for (let prop in props)
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meta[prop] = props[prop];
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};
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// clutter_container_add() actually is a an add-many-actors
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// method. We conveniently, but somewhat dubiously, take the
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// this opportunity to make it do something more useful.
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containerClass.prototype.add = function(actor, props) {
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this.add_actor(actor);
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if (props)
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this.child_set(actor, props);
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};
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}
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function _patchLayoutClass(layoutClass, styleProps) {
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if (styleProps)
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layoutClass.prototype.hookup_style = function(container) {
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container.connect('style-changed', () => {
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let node = container.get_theme_node();
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for (let prop in styleProps) {
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let [found, length] = node.lookup_length(styleProps[prop], false);
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if (found)
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this[prop] = length;
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}
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});
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};
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layoutClass.prototype.child_set = function(actor, props) {
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let meta = this.get_child_meta(actor.get_parent(), actor);
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for (let prop in props)
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meta[prop] = props[prop];
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};
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}
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function _makeEaseCallback(params, cleanup) {
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let onComplete = params.onComplete;
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delete params.onComplete;
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let onStopped = params.onStopped;
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delete params.onStopped;
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return isFinished => {
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cleanup();
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if (onStopped)
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onStopped(isFinished);
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if (onComplete && isFinished)
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onComplete();
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};
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}
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function _getPropertyTarget(actor, propName) {
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if (!propName.startsWith('@'))
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return [actor, propName];
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let [type, name, prop] = propName.split('.');
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switch (type) {
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case '@layout':
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return [actor.layout_manager, name];
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case '@actions':
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return [actor.get_action(name), prop];
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case '@constraints':
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return [actor.get_constraint(name), prop];
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case '@effects':
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return [actor.get_effect(name), prop];
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}
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throw new Error(`Invalid property name ${propName}`);
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}
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function _easeActor(actor, params) {
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actor.save_easing_state();
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if (params.duration != undefined)
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actor.set_easing_duration(params.duration);
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delete params.duration;
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if (params.delay != undefined)
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actor.set_easing_delay(params.delay);
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delete params.delay;
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let repeatCount = 0;
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if (params.repeatCount != undefined)
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repeatCount = params.repeatCount;
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delete params.repeatCount;
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let autoReverse = false;
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if (params.autoReverse != undefined)
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autoReverse = params.autoReverse;
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delete params.autoReverse;
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if (params.mode != undefined)
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actor.set_easing_mode(params.mode);
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delete params.mode;
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let cleanup = () => Meta.enable_unredirect_for_display(global.display);
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let callback = _makeEaseCallback(params, cleanup);
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// cancel overwritten transitions
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let animatedProps = Object.keys(params).map(p => p.replace('_', '-', 'g'));
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animatedProps.forEach(p => actor.remove_transition(p));
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actor.set(params);
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actor.restore_easing_state();
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let transition = animatedProps.map(p => actor.get_transition(p))
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.find(t => t !== null);
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if (transition && transition.delay)
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transition.connect('started', () => Meta.disable_unredirect_for_display(global.display));
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else
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Meta.disable_unredirect_for_display(global.display);
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if (transition) {
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transition.set({ repeatCount, autoReverse });
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transition.connect('stopped', (t, finished) => callback(finished));
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} else {
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callback(true);
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}
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}
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function _easeActorProperty(actor, propName, target, params) {
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// Avoid pointless difference with ease()
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if (params.mode)
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params.progress_mode = params.mode;
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delete params.mode;
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if (params.duration)
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params.duration = adjustAnimationTime(params.duration);
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let duration = Math.floor(params.duration || 0);
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let repeatCount = 0;
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if (params.repeatCount != undefined)
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repeatCount = params.repeatCount;
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delete params.repeatCount;
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let autoReverse = false;
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if (params.autoReverse != undefined)
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autoReverse = params.autoReverse;
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delete params.autoReverse;
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// Copy Clutter's behavior for implicit animations, see
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// should_skip_implicit_transition()
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if (actor instanceof Clutter.Actor && !actor.mapped)
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duration = 0;
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let cleanup = () => Meta.enable_unredirect_for_display(global.display);
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let callback = _makeEaseCallback(params, cleanup);
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// cancel overwritten transition
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actor.remove_transition(propName);
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if (duration == 0) {
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let [obj, prop] = _getPropertyTarget(actor, propName);
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obj[prop] = target;
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Meta.disable_unredirect_for_display(global.display);
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callback(true);
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return;
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}
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let pspec = actor.find_property(propName);
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let transition = new Clutter.PropertyTransition(Object.assign({
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property_name: propName,
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interval: new Clutter.Interval({ value_type: pspec.value_type }),
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remove_on_complete: true,
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repeat_count: repeatCount,
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auto_reverse: autoReverse,
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}, params));
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actor.add_transition(propName, transition);
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transition.set_to(target);
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if (transition.delay)
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transition.connect('started', () => Meta.disable_unredirect_for_display(global.display));
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else
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Meta.disable_unredirect_for_display(global.display);
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transition.connect('stopped', (t, finished) => callback(finished));
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}
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function _loggingFunc(...args) {
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let fields = { 'MESSAGE': args.join(', ') };
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let domain = "GNOME Shell";
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// If the caller is an extension, add it as metadata
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let extension = imports.misc.extensionUtils.getCurrentExtension();
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if (extension != null) {
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domain = extension.metadata.name;
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fields['GNOME_SHELL_EXTENSION_UUID'] = extension.uuid;
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fields['GNOME_SHELL_EXTENSION_NAME'] = extension.metadata.name;
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}
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GLib.log_structured(domain, GLib.LogLevelFlags.LEVEL_MESSAGE, fields);
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}
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function init() {
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// Add some bindings to the global JS namespace; (gjs keeps the web
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// browser convention of having that namespace be called 'window'.)
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window.global = Shell.Global.get();
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window.log = _loggingFunc;
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window._ = Gettext.gettext;
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window.C_ = Gettext.pgettext;
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window.ngettext = Gettext.ngettext;
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window.N_ = s => s;
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GObject.gtypeNameBasedOnJSPath = true;
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// Miscellaneous monkeypatching
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_patchContainerClass(St.BoxLayout);
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_patchLayoutClass(Clutter.TableLayout, { row_spacing: 'spacing-rows',
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column_spacing: 'spacing-columns' });
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_patchLayoutClass(Clutter.GridLayout, { row_spacing: 'spacing-rows',
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column_spacing: 'spacing-columns' });
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_patchLayoutClass(Clutter.BoxLayout, { spacing: 'spacing' });
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let origSetEasingDuration = Clutter.Actor.prototype.set_easing_duration;
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Clutter.Actor.prototype.set_easing_duration = function(msecs) {
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origSetEasingDuration.call(this, adjustAnimationTime(msecs));
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};
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let origSetEasingDelay = Clutter.Actor.prototype.set_easing_delay;
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Clutter.Actor.prototype.set_easing_delay = function(msecs) {
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origSetEasingDelay.call(this, adjustAnimationTime(msecs));
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};
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Clutter.Actor.prototype.ease = function(props, easingParams) {
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_easeActor(this, props, easingParams);
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};
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Clutter.Actor.prototype.ease_property = function(propName, target, params) {
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_easeActorProperty(this, propName, target, params);
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};
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St.Adjustment.prototype.ease = function(target, params) {
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// we're not an actor of course, but we implement the same
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// transition API as Clutter.Actor, so this works anyway
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_easeActorProperty(this, 'value', target, params);
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};
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Clutter.Actor.prototype.toString = function() {
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return St.describe_actor(this);
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};
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// Deprecation warning for former JS classes turned into an actor subclass
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Object.defineProperty(Clutter.Actor.prototype, 'actor', {
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get() {
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let klass = this.constructor.name;
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let { stack } = new Error();
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log(`Usage of object.actor is deprecated for ${klass}\n${stack}`);
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return this;
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}
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});
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St.set_slow_down_factor = function(factor) {
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let { stack } = new Error();
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log(`St.set_slow_down_factor() is deprecated, use St.Settings.slow_down_factor\n${stack}`);
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St.Settings.get().slow_down_factor = factor;
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};
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let origToString = Object.prototype.toString;
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Object.prototype.toString = function() {
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let base = origToString.call(this);
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try {
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if ('actor' in this && this.actor instanceof Clutter.Actor)
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return base.replace(/\]$/, ` delegate for ${this.actor.toString().substring(1)}`);
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else
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return base;
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} catch (e) {
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return base;
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}
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};
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// Work around https://bugzilla.mozilla.org/show_bug.cgi?id=508783
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Date.prototype.toLocaleFormat = function(format) {
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return Shell.util_format_date(format, this.getTime());
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};
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let slowdownEnv = GLib.getenv('GNOME_SHELL_SLOWDOWN_FACTOR');
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if (slowdownEnv) {
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let factor = parseFloat(slowdownEnv);
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if (!isNaN(factor) && factor > 0.0)
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St.Settings.get().slow_down_factor = factor;
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}
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// OK, now things are initialized enough that we can import shell JS
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const Format = imports.format;
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const Tweener = imports.ui.tweener;
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Tweener.init();
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String.prototype.format = Format.format;
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}
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// adjustAnimationTime:
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// @msecs: time in milliseconds
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//
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// Adjust @msecs to account for St's enable-animations
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// and slow-down-factor settings
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function adjustAnimationTime(msecs) {
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let settings = St.Settings.get();
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if (!settings.enable_animations)
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return 1;
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return settings.slow_down_factor * msecs;
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}
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