eef194c3aa
According to the designers, system notifications should be transient; so now that transient notifications are supported properly, make use of it instead of using a timeout to remove the associated source.
442 lines
14 KiB
JavaScript
442 lines
14 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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const Clutter = imports.gi.Clutter;
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const Meta = imports.gi.Meta;
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const Mainloop = imports.mainloop;
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const Signals = imports.signals;
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const Lang = imports.lang;
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const St = imports.gi.St;
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const Gettext = imports.gettext.domain('gnome-shell');
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const _ = Gettext.gettext;
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const AppDisplay = imports.ui.appDisplay;
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const Dash = imports.ui.dash;
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const DocDisplay = imports.ui.docDisplay;
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const GenericDisplay = imports.ui.genericDisplay;
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const Lightbox = imports.ui.lightbox;
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const Main = imports.ui.main;
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const MessageTray = imports.ui.messageTray;
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const Panel = imports.ui.panel;
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const PlaceDisplay = imports.ui.placeDisplay;
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const Tweener = imports.ui.tweener;
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const ViewSelector = imports.ui.viewSelector;
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const WorkspacesView = imports.ui.workspacesView;
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// Time for initial animation going into Overview mode
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const ANIMATION_TIME = 0.25;
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// We split the screen vertically between the dash and the view selector.
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const DASH_SPLIT_FRACTION = 0.1;
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function Source() {
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this._init();
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}
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Source.prototype = {
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__proto__: MessageTray.Source.prototype,
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_init: function() {
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MessageTray.Source.prototype._init.call(this,
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"System Information");
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this._setSummaryIcon(this.createNotificationIcon());
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},
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createNotificationIcon: function() {
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return new St.Icon({ icon_name: 'dialog-information',
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icon_type: St.IconType.SYMBOLIC,
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icon_size: this.ICON_SIZE });
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},
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_notificationClicked: function() {
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this.destroy();
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}
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}
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function ShellInfo() {
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this._init();
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}
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ShellInfo.prototype = {
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_init: function() {
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this._source = null;
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this._undoCallback = null;
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},
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_onUndoClicked: function() {
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if (this._undoCallback)
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this._undoCallback();
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this._undoCallback = null;
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if (this._source)
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this._source.destroy();
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},
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setMessage: function(text, undoCallback, undoLabel) {
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if (this._source == null) {
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this._source = new Source();
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this._source.connect('destroy', Lang.bind(this,
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function() {
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this._source = null;
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}));
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Main.messageTray.add(this._source);
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}
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let notification = this._source.notification;
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if (notification == null)
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notification = new MessageTray.Notification(this._source, text, null);
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else
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notification.update(text, null, { clear: true });
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notification.setTransient(true);
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this._undoCallback = undoCallback;
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if (undoCallback) {
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notification.addButton('system-undo',
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undoLabel ? undoLabel : _("Undo"));
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notification.connect('action-invoked',
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Lang.bind(this, this._onUndoClicked));
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}
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this._source.notify(notification);
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}
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};
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function Overview() {
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this._init();
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}
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Overview.prototype = {
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_init : function() {
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// The actual global.background_actor is inside global.window_group,
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// which is hidden when displaying the overview, so we display a clone.
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this._background = new Clutter.Clone({ source: global.background_actor });
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this._background.hide();
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global.overlay_group.add_actor(this._background);
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this._desktopFade = new St.Bin();
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global.overlay_group.add_actor(this._desktopFade);
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this._spacing = 0;
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this._group = new St.Group({ name: 'overview' });
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this._group._delegate = this;
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this._group.connect('style-changed',
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Lang.bind(this, function() {
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let node = this._group.get_theme_node();
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let spacing = node.get_length('spacing');
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if (spacing != this._spacing) {
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this._spacing = spacing;
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this.relayout();
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}
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}));
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this.shellInfo = new ShellInfo();
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this._workspacesDisplay = null;
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this.visible = false;
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this.animationInProgress = false;
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this._hideInProgress = false;
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// During transitions, we raise this to the top to avoid having the overview
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// area be reactive; it causes too many issues such as double clicks on
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// Dash elements, or mouseover handlers in the workspaces.
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this._coverPane = new Clutter.Rectangle({ opacity: 0,
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reactive: true });
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this._group.add_actor(this._coverPane);
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this._coverPane.connect('event', Lang.bind(this, function (actor, event) { return true; }));
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this._group.hide();
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global.overlay_group.add_actor(this._group);
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this.viewSelector = new ViewSelector.ViewSelector();
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this._group.add_actor(this.viewSelector.actor);
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this._workspacesDisplay = new WorkspacesView.WorkspacesDisplay();
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this.viewSelector.addViewTab(_("Windows"), this._workspacesDisplay.actor);
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let appView = new AppDisplay.AllAppDisplay();
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this.viewSelector.addViewTab(_("Applications"), appView.actor);
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// Default search providers
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this.viewSelector.addSearchProvider(new AppDisplay.AppSearchProvider());
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this.viewSelector.addSearchProvider(new AppDisplay.PrefsSearchProvider());
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this.viewSelector.addSearchProvider(new PlaceDisplay.PlaceSearchProvider());
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this.viewSelector.addSearchProvider(new DocDisplay.DocSearchProvider());
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// TODO - recalculate everything when desktop size changes
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this._dash = new Dash.Dash();
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this._group.add_actor(this._dash.actor);
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this._dash.actor.add_constraint(this.viewSelector.constrainY);
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this._dash.actor.add_constraint(this.viewSelector.constrainHeight);
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this._coverPane.lower_bottom();
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this.workspaces = null;
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},
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_getDesktopClone: function() {
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let windows = global.get_window_actors().filter(function(w) {
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return w.meta_window.get_window_type() == Meta.WindowType.DESKTOP;
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});
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if (windows.length == 0)
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return null;
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let clone = new Clutter.Clone({ source: windows[0].get_texture() });
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clone.source.connect('destroy', Lang.bind(this, function() {
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clone.destroy();
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}));
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return clone;
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},
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relayout: function () {
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let primary = global.get_primary_monitor();
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let rtl = (St.Widget.get_default_direction () == St.TextDirection.RTL);
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let contentY = Panel.PANEL_HEIGHT;
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let contentHeight = primary.height - contentY - Main.messageTray.actor.height;
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this._group.set_position(primary.x, primary.y);
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this._group.set_size(primary.width, primary.height);
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this._coverPane.set_position(0, contentY);
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this._coverPane.set_size(primary.width, contentHeight);
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let viewWidth = (1.0 - DASH_SPLIT_FRACTION) * primary.width - this._spacing;
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let viewHeight = contentHeight - 2 * this._spacing;
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let viewY = contentY + this._spacing;
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let viewX = rtl ? 0
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: Math.floor(DASH_SPLIT_FRACTION * primary.width) + this._spacing;
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// Set the dash's x position - y is handled by a constraint
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let dashX;
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if (rtl) {
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this._dash.actor.set_anchor_point_from_gravity(Clutter.Gravity.NORTH_EAST);
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dashX = primary.width;
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} else {
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dashX = 0;
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}
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this._dash.actor.set_x(dashX);
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this.viewSelector.actor.set_position(viewX, viewY);
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this.viewSelector.actor.set_size(viewWidth, viewHeight);
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},
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//// Public methods ////
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beginItemDrag: function(source) {
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this.emit('item-drag-begin');
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},
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endItemDrag: function(source) {
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this.emit('item-drag-end');
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},
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beginWindowDrag: function(source) {
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this.emit('window-drag-begin');
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},
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endWindowDrag: function(source) {
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this.emit('window-drag-end');
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},
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// Returns the scale the Overview has when we just start zooming out
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// to overview mode. That is, when just the active workspace is showing.
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getZoomedInScale : function() {
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return 1 / this.workspaces.getScale();
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},
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// Returns the position the Overview has when we just start zooming out
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// to overview mode. That is, when just the active workspace is showing.
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getZoomedInPosition : function() {
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let [posX, posY] = this.workspaces.getActiveWorkspacePosition();
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let scale = this.getZoomedInScale();
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return [- posX * scale, - posY * scale];
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},
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// Returns the current scale of the Overview.
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getScale : function() {
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return this.workspaces.actor.scaleX;
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},
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// Returns the current position of the Overview.
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getPosition : function() {
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return [this.workspaces.actor.x, this.workspaces.actor.y];
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},
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show : function() {
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if (this.visible)
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return;
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if (!Main.pushModal(this.viewSelector.actor))
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return;
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this.visible = true;
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this.animationInProgress = true;
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// All the the actors in the window group are completely obscured,
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// hiding the group holding them while the Overview is displayed greatly
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// increases performance of the Overview especially when there are many
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// windows visible.
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//
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// If we switched to displaying the actors in the Overview rather than
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// clones of them, this would obviously no longer be necessary.
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global.window_group.hide();
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this._group.show();
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this._background.show();
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this.viewSelector.show();
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this._workspacesDisplay.show();
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this._dash.show();
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this.workspaces = this._workspacesDisplay.workspacesView;
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global.overlay_group.add_actor(this.workspaces.actor);
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if (!this._desktopFade.child)
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this._desktopFade.child = this._getDesktopClone();
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if (!this.workspaces.getActiveWorkspace().hasMaximizedWindows()) {
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this._desktopFade.opacity = 255;
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this._desktopFade.show();
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Tweener.addTween(this._desktopFade,
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{ opacity: 0,
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time: ANIMATION_TIME,
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transition: 'easeOutQuad'
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});
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}
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// Create a zoom out effect. First scale the workspaces view up and
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// position it so that the active workspace fills up the whole screen,
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// then transform it to its normal dimensions and position.
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// The opposite transition is used in hide().
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this.workspaces.actor.scaleX = this.workspaces.actor.scaleY = this.getZoomedInScale();
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[this.workspaces.actor.x, this.workspaces.actor.y] = this.getZoomedInPosition();
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let primary = global.get_primary_monitor();
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Tweener.addTween(this.workspaces.actor,
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{ x: primary.x - this._group.x,
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y: primary.y - this._group.y,
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scaleX: 1,
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scaleY: 1,
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transition: 'easeOutQuad',
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time: ANIMATION_TIME,
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onComplete: this._showDone,
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onCompleteScope: this
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});
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// Make the other elements fade in.
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this._group.opacity = 0;
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Tweener.addTween(this._group,
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{ opacity: 255,
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transition: 'easeOutQuad',
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time: ANIMATION_TIME
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});
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this._coverPane.raise_top();
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this.emit('showing');
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},
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hide: function() {
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if (!this.visible || this._hideInProgress)
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return;
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this.animationInProgress = true;
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this._hideInProgress = true;
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if (!this.workspaces.getActiveWorkspace().hasMaximizedWindows()) {
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this._desktopFade.opacity = 0;
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this._desktopFade.show();
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Tweener.addTween(this._desktopFade,
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{ opacity: 255,
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time: ANIMATION_TIME,
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transition: 'easeOutQuad' });
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}
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this.workspaces.hide();
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// Create a zoom in effect by transforming the workspaces view so that
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// the active workspace fills up the whole screen. The opposite
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// transition is used in show().
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let scale = this.getZoomedInScale();
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let [posX, posY] = this.getZoomedInPosition();
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Tweener.addTween(this.workspaces.actor,
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{ x: posX,
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y: posY,
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scaleX: scale,
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scaleY: scale,
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transition: 'easeOutQuad',
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time: ANIMATION_TIME,
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onComplete: this._hideDone,
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onCompleteScope: this
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});
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// Make other elements fade out.
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Tweener.addTween(this._group,
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{ opacity: 0,
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transition: 'easeOutQuad',
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time: ANIMATION_TIME
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});
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this._coverPane.raise_top();
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this.emit('hiding');
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},
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toggle: function() {
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if (this.visible)
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this.hide();
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else
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this.show();
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},
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/**
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* getWorkspacesForWindow:
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* @metaWindow: A #MetaWindow
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*
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* Returns the Workspaces object associated with the given window.
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* This method is not be accessible if the overview is not open
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* and will return %null.
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*/
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getWorkspacesForWindow: function(metaWindow) {
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return this.workspaces;
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},
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//// Private methods ////
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_showDone: function() {
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if (this._hideInProgress)
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return;
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this.animationInProgress = false;
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this._desktopFade.hide();
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this._coverPane.lower_bottom();
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this.emit('shown');
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},
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_hideDone: function() {
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global.window_group.show();
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this.workspaces.destroy();
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this.workspaces = null;
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this._workspacesDisplay.hide();
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this.viewSelector.hide();
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this._dash.hide();
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this._desktopFade.hide();
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this._background.hide();
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this._group.hide();
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this.visible = false;
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this.animationInProgress = false;
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this._hideInProgress = false;
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this._coverPane.lower_bottom();
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Main.popModal(this.viewSelector.actor);
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this.emit('hidden');
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}
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};
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Signals.addSignalMethods(Overview.prototype);
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