030e6aa507
Previously, the overview BoxLayout was sized and positioned explicitly using the primary monitor coordinates, as its parent was at 0,0 and with a fixed layout manager. Now we use a bin layout, so we need to position and size the stack actor, and set the overview boxlayout to expand. Take also the occasion to use a MonitorConstraint instead of handling position and size manually. https://bugzilla.gnome.org/show_bug.cgi?id=694969
739 lines
25 KiB
JavaScript
739 lines
25 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const Gtk = imports.gi.Gtk;
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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 Shell = imports.gi.Shell;
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const Gdk = imports.gi.Gdk;
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const Background = imports.ui.background;
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const Dash = imports.ui.dash;
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const DND = imports.ui.dnd;
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const LayoutManager = imports.ui.layout;
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const Main = imports.ui.main;
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const MessageTray = imports.ui.messageTray;
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const OverviewControls = imports.ui.overviewControls;
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const Panel = imports.ui.panel;
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const Params = imports.misc.params;
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const Tweener = imports.ui.tweener;
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const ViewSelector = imports.ui.viewSelector;
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const WorkspaceThumbnail = imports.ui.workspaceThumbnail;
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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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// Must be less than ANIMATION_TIME, since we switch to
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// or from the overview completely after ANIMATION_TIME,
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// and don't want the shading animation to get cut off
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const SHADE_ANIMATION_TIME = .20;
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const DND_WINDOW_SWITCH_TIMEOUT = 1250;
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const ShellInfo = new Lang.Class({
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Name: 'ShellInfo',
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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, options) {
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options = Params.parse(options, { undoCallback: null,
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forFeedback: false
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});
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let undoCallback = options.undoCallback;
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let forFeedback = options.forFeedback;
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if (this._source == null) {
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this._source = new MessageTray.SystemNotificationSource();
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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 = null;
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if (this._source.notifications.length == 0) {
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notification = new MessageTray.Notification(this._source, text, null);
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notification.setTransient(true);
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notification.setForFeedback(forFeedback);
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} else {
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notification = this._source.notifications[0];
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notification.update(text, null, { clear: true });
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}
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this._undoCallback = undoCallback;
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if (undoCallback) {
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notification.addButton('system-undo', _("Undo"));
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notification.connect('action-invoked', 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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const Overview = new Lang.Class({
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Name: 'Overview',
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_init: function() {
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this._overviewCreated = false;
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this._initCalled = false;
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this._controlPressed = false;
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global.stage.connect('captured-event', Lang.bind(this, this._capturedEvent));
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Main.sessionMode.connect('updated', Lang.bind(this, this._sessionUpdated));
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this._sessionUpdated();
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},
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_createOverview: function() {
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if (this._overviewCreated)
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return;
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if (this.isDummy)
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return;
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this._overviewCreated = true;
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// The main Background actors are inside global.window_group which are
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// hidden when displaying the overview, so we create a new
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// one. Instances of this class share a single CoglTexture behind the
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// scenes which allows us to show the background with different
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// rendering options without duplicating the texture data.
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let monitor = Main.layoutManager.primaryMonitor;
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this._desktopFade = new St.Bin();
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global.overlay_group.add_actor(this._desktopFade);
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let layout = new Clutter.BinLayout();
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this._stack = new Clutter.Actor({ layout_manager: layout });
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this._stack.add_constraint(new LayoutManager.MonitorConstraint({ primary: true }));
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/* Translators: This is the main view to select
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activities. See also note for "Activities" string. */
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this._overview = new St.BoxLayout({ name: 'overview',
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accessible_name: _("Overview"),
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reactive: true,
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vertical: true,
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x_expand: true,
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y_expand: true });
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this._overview._delegate = this;
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this._groupStack = new St.Widget({ layout_manager: new Clutter.BinLayout(),
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x_expand: true, y_expand: true,
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clip_to_allocation: true });
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this._group = new St.BoxLayout({ name: 'overview-group',
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reactive: true,
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x_expand: true, y_expand: true });
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this._groupStack.add_actor(this._group);
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this._backgroundGroup = new Meta.BackgroundGroup();
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global.overlay_group.add_child(this._backgroundGroup);
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this._backgroundGroup.hide();
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this._bgManagers = [];
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this.visible = false; // animating to overview, in overview, animating out
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this._shown = false; // show() and not hide()
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this._shownTemporarily = false; // showTemporarily() and not hideTemporarily()
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this._modal = false; // have a modal grab
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this.animationInProgress = false;
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this.visibleTarget = 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._overview.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._stack.hide();
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this._stack.add_actor(this._overview);
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global.overlay_group.add_actor(this._stack);
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this._coverPane.hide();
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// XDND
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this._dragMonitor = {
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dragMotion: Lang.bind(this, this._onDragMotion)
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};
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Main.xdndHandler.connect('drag-begin', Lang.bind(this, this._onDragBegin));
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Main.xdndHandler.connect('drag-end', Lang.bind(this, this._onDragEnd));
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global.screen.connect('restacked', Lang.bind(this, this._onRestacked));
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this._group.connect('scroll-event', Lang.bind(this, this._onScrollEvent));
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this._windowSwitchTimeoutId = 0;
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this._windowSwitchTimestamp = 0;
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this._lastActiveWorkspaceIndex = -1;
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this._lastHoveredWindow = null;
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this._needsFakePointerEvent = false;
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if (this._initCalled)
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this.init();
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},
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_updateBackgrounds: function() {
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for (let i = 0; i < this._bgManagers.length; i++)
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this._bgManagers[i].destroy();
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this._bgManagers = [];
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for (let i = 0; i < Main.layoutManager.monitors.length; i++) {
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let bgManager = new Background.BackgroundManager({ container: this._backgroundGroup,
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monitorIndex: i,
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effects: Meta.BackgroundEffects.VIGNETTE });
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this._bgManagers.push(bgManager);
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}
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},
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_unshadeBackgrounds: function() {
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let backgrounds = this._backgroundGroup.get_children();
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for (let i = 0; i < backgrounds.length; i++) {
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let background = backgrounds[i]._delegate;
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Tweener.addTween(background,
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{ brightness: 1.0,
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time: SHADE_ANIMATION_TIME,
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transition: 'easeOutQuad'
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});
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Tweener.addTween(background,
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{ vignetteSharpness: 0.0,
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time: SHADE_ANIMATION_TIME,
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transition: 'easeOutQuad'
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});
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}
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},
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_shadeBackgrounds: function() {
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let backgrounds = this._backgroundGroup.get_children();
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for (let i = 0; i < backgrounds.length; i++) {
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let background = backgrounds[i]._delegate;
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Tweener.addTween(background,
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{ brightness: 0.8,
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time: SHADE_ANIMATION_TIME,
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transition: 'easeOutQuad'
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});
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Tweener.addTween(background,
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{ vignetteSharpness: 0.7,
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time: SHADE_ANIMATION_TIME,
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transition: 'easeOutQuad'
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});
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}
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},
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_capturedEvent: function(actor, event) {
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let type = event.type();
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if (type != Clutter.EventType.KEY_PRESS &&
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type != Clutter.EventType.KEY_RELEASE)
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return false;
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let symbol = event.get_key_symbol();
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if (symbol == Clutter.KEY_Control_L ||
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symbol == Clutter.KEY_Control_R)
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this._controlPressed = type == Clutter.EventType.KEY_PRESS;
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return false;
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},
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_sessionUpdated: function() {
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this.isDummy = !Main.sessionMode.hasOverview;
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this._createOverview();
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},
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// The members we construct that are implemented in JS might
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// want to access the overview as Main.overview to connect
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// signal handlers and so forth. So we create them after
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// construction in this init() method.
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init: function() {
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this._initCalled = true;
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if (this.isDummy)
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return;
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this._shellInfo = new ShellInfo();
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// Add a clone of the panel to the overview so spacing and such is
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// automatic
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this._panelGhost = new St.Bin({ child: new Clutter.Clone({ source: Main.panel.actor }),
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reactive: false,
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opacity: 0 });
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this._overview.add_actor(this._panelGhost);
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this._searchEntry = new St.Entry({ name: 'searchEntry',
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/* Translators: this is the text displayed
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in the search entry when no search is
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active; it should not exceed ~30
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characters. */
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hint_text: _("Type to search…"),
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track_hover: true,
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can_focus: true });
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this._searchEntryBin = new St.Bin({ child: this._searchEntry,
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x_align: St.Align.MIDDLE });
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this._overview.add_actor(this._searchEntryBin);
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// Create controls
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this._dash = new Dash.Dash();
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this._viewSelector = new ViewSelector.ViewSelector(this._searchEntry,
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this._dash.showAppsButton);
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this._thumbnailsBox = new WorkspaceThumbnail.ThumbnailsBox();
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this._controls = new OverviewControls.ControlsManager(this._dash,
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this._thumbnailsBox,
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this._viewSelector);
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this._controls.dashActor.x_align = Clutter.ActorAlign.START;
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this._controls.dashActor.y_expand = true;
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// Put the dash in a separate layer to allow content to be centered
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this._groupStack.add_actor(this._controls.dashActor);
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// Pack all the actors into the group
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this._group.add_actor(this._controls.dashSpacer);
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this._group.add(this._viewSelector.actor, { x_fill: true,
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expand: true });
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this._group.add_actor(this._controls.thumbnailsActor);
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// Add our same-line elements after the search entry
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this._overview.add(this._groupStack, { y_fill: true, expand: true });
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this._stack.add_actor(this._controls.indicatorActor);
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// TODO - recalculate everything when desktop size changes
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this.dashIconSize = this._dash.iconSize;
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this._dash.connect('icon-size-changed',
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Lang.bind(this, function() {
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this.dashIconSize = this._dash.iconSize;
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}));
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Main.layoutManager.connect('monitors-changed', Lang.bind(this, this._relayout));
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this._relayout();
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},
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addSearchProvider: function(provider) {
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this._viewSelector.addSearchProvider(provider);
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},
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removeSearchProvider: function(provider) {
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this._viewSelector.removeSearchProvider(provider);
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},
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//
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// options:
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// - undoCallback (function): the callback to be called if undo support is needed
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// - forFeedback (boolean): whether the message is for direct feedback of a user action
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//
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setMessage: function(text, options) {
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if (this.isDummy)
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return;
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this._shellInfo.setMessage(text, options);
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},
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_onDragBegin: function() {
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DND.addDragMonitor(this._dragMonitor);
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// Remember the workspace we started from
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this._lastActiveWorkspaceIndex = global.screen.get_active_workspace_index();
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},
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_onDragEnd: function(time) {
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// In case the drag was canceled while in the overview
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// we have to go back to where we started and hide
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// the overview
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if (this._shownTemporarily) {
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global.screen.get_workspace_by_index(this._lastActiveWorkspaceIndex).activate(time);
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this.hideTemporarily();
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}
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this._resetWindowSwitchTimeout();
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this._lastHoveredWindow = null;
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DND.removeDragMonitor(this._dragMonitor);
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this.endItemDrag();
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},
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_resetWindowSwitchTimeout: function() {
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if (this._windowSwitchTimeoutId != 0) {
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Mainloop.source_remove(this._windowSwitchTimeoutId);
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this._windowSwitchTimeoutId = 0;
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this._needsFakePointerEvent = false;
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}
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},
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_fakePointerEvent: function() {
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let display = Gdk.Display.get_default();
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let deviceManager = display.get_device_manager();
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let pointer = deviceManager.get_client_pointer();
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let [screen, pointerX, pointerY] = pointer.get_position();
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pointer.warp(screen, pointerX, pointerY);
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},
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_onDragMotion: function(dragEvent) {
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let targetIsWindow = dragEvent.targetActor &&
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dragEvent.targetActor._delegate &&
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dragEvent.targetActor._delegate.metaWindow &&
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!(dragEvent.targetActor._delegate instanceof WorkspaceThumbnail.WindowClone);
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this._windowSwitchTimestamp = global.get_current_time();
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if (targetIsWindow &&
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dragEvent.targetActor._delegate.metaWindow == this._lastHoveredWindow)
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return DND.DragMotionResult.CONTINUE;
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this._lastHoveredWindow = null;
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this._resetWindowSwitchTimeout();
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if (targetIsWindow) {
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this._lastHoveredWindow = dragEvent.targetActor._delegate.metaWindow;
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this._windowSwitchTimeoutId = Mainloop.timeout_add(DND_WINDOW_SWITCH_TIMEOUT,
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Lang.bind(this, function() {
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this._needsFakePointerEvent = true;
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Main.activateWindow(dragEvent.targetActor._delegate.metaWindow,
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this._windowSwitchTimestamp);
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this.hideTemporarily();
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this._lastHoveredWindow = null;
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}));
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}
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return DND.DragMotionResult.CONTINUE;
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},
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_onScrollEvent: function(actor, event) {
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this.emit('scroll-event', event);
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},
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addAction: function(action) {
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if (this.isDummy)
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return;
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this._overview.add_action(action);
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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 window = windows[0];
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let clone = new Clutter.Clone({ source: window.get_texture(),
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x: window.x, y: window.y });
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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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// To avoid updating the position and size of the workspaces
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// we just hide the overview. The positions will be updated
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// when it is next shown.
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this.hide();
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let workArea = Main.layoutManager.getWorkAreaForMonitor(Main.layoutManager.primaryIndex);
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this._coverPane.set_position(0, workArea.y);
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this._coverPane.set_size(workArea.width, workArea.height);
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this._updateBackgrounds();
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},
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_onRestacked: function() {
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let stack = global.get_window_actors();
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let stackIndices = {};
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for (let i = 0; i < stack.length; i++) {
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// Use the stable sequence for an integer to use as a hash key
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stackIndices[stack[i].get_meta_window().get_stable_sequence()] = i;
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}
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this.emit('windows-restacked', stackIndices);
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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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cancelledItemDrag: function(source) {
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this.emit('item-drag-cancelled');
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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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cancelledWindowDrag: function(source) {
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this.emit('window-drag-cancelled');
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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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// show:
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//
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// Animates the overview visible and grabs mouse and keyboard input
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show : function() {
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if (this.isDummy)
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return;
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if (this._shown)
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return;
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this._shown = true;
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this._syncInputMode();
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if (!this._modal)
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return;
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this._animateVisible();
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},
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fadeInDesktop: function() {
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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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fadeOutDesktop: function() {
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if (!this._desktopFade.child)
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this._desktopFade.child = this._getDesktopClone();
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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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});
|
|
},
|
|
|
|
_animateVisible: function() {
|
|
if (this.visible || this.animationInProgress)
|
|
return;
|
|
|
|
this.visible = true;
|
|
this.animationInProgress = true;
|
|
this.visibleTarget = true;
|
|
|
|
// All the the actors in the window group are completely obscured,
|
|
// hiding the group holding them while the Overview is displayed greatly
|
|
// increases performance of the Overview especially when there are many
|
|
// windows visible.
|
|
//
|
|
// If we switched to displaying the actors in the Overview rather than
|
|
// clones of them, this would obviously no longer be necessary.
|
|
//
|
|
// Disable unredirection while in the overview
|
|
Meta.disable_unredirect_for_screen(global.screen);
|
|
global.window_group.hide();
|
|
global.top_window_group.hide();
|
|
this._stack.show();
|
|
this._backgroundGroup.show();
|
|
this._viewSelector.show();
|
|
|
|
this._stack.opacity = 0;
|
|
Tweener.addTween(this._stack,
|
|
{ opacity: 255,
|
|
transition: 'easeOutQuad',
|
|
time: ANIMATION_TIME,
|
|
onComplete: this._showDone,
|
|
onCompleteScope: this
|
|
});
|
|
this._shadeBackgrounds();
|
|
|
|
this._coverPane.raise_top();
|
|
this._coverPane.show();
|
|
this.emit('showing');
|
|
},
|
|
|
|
// showTemporarily:
|
|
//
|
|
// Animates the overview visible without grabbing mouse and keyboard input;
|
|
// if show() has already been called, this has no immediate effect, but
|
|
// will result in the overview not being hidden until hideTemporarily() is
|
|
// called.
|
|
showTemporarily: function() {
|
|
if (this.isDummy)
|
|
return;
|
|
|
|
if (this._shownTemporarily)
|
|
return;
|
|
|
|
this._syncInputMode();
|
|
this._animateVisible();
|
|
this._shownTemporarily = true;
|
|
},
|
|
|
|
// hide:
|
|
//
|
|
// Reverses the effect of show()
|
|
hide: function() {
|
|
if (this.isDummy)
|
|
return;
|
|
|
|
if (!this._shown)
|
|
return;
|
|
|
|
if (this._controlPressed)
|
|
return;
|
|
|
|
if (!this._shownTemporarily)
|
|
this._animateNotVisible();
|
|
|
|
this._shown = false;
|
|
this._syncInputMode();
|
|
},
|
|
|
|
// hideTemporarily:
|
|
//
|
|
// Reverses the effect of showTemporarily()
|
|
hideTemporarily: function() {
|
|
if (this.isDummy)
|
|
return;
|
|
|
|
if (!this._shownTemporarily)
|
|
return;
|
|
|
|
if (!this._shown)
|
|
this._animateNotVisible();
|
|
|
|
this._shownTemporarily = false;
|
|
this._syncInputMode();
|
|
},
|
|
|
|
toggle: function() {
|
|
if (this.isDummy)
|
|
return;
|
|
|
|
if (this.visible)
|
|
this.hide();
|
|
else
|
|
this.show();
|
|
},
|
|
|
|
//// Private methods ////
|
|
|
|
_syncInputMode: function() {
|
|
// We delay input mode changes during animation so that when removing the
|
|
// overview we don't have a problem with the release of a press/release
|
|
// going to an application.
|
|
if (this.animationInProgress)
|
|
return;
|
|
|
|
if (this._shown) {
|
|
if (!this._modal) {
|
|
if (Main.pushModal(this._overview,
|
|
{ keybindingMode: Shell.KeyBindingMode.OVERVIEW }))
|
|
this._modal = true;
|
|
else
|
|
this.hide();
|
|
}
|
|
} else if (this._shownTemporarily) {
|
|
if (this._modal) {
|
|
Main.popModal(this._overview);
|
|
this._modal = false;
|
|
}
|
|
global.stage_input_mode = Shell.StageInputMode.FULLSCREEN;
|
|
} else {
|
|
if (this._modal) {
|
|
Main.popModal(this._overview);
|
|
this._modal = false;
|
|
}
|
|
else if (global.stage_input_mode == Shell.StageInputMode.FULLSCREEN)
|
|
global.stage_input_mode = Shell.StageInputMode.NORMAL;
|
|
}
|
|
},
|
|
|
|
_animateNotVisible: function() {
|
|
if (!this.visible || this.animationInProgress)
|
|
return;
|
|
|
|
this.animationInProgress = true;
|
|
this.visibleTarget = false;
|
|
|
|
this._viewSelector.zoomFromOverview();
|
|
|
|
// Make other elements fade out.
|
|
Tweener.addTween(this._stack,
|
|
{ opacity: 0,
|
|
transition: 'easeOutQuad',
|
|
time: ANIMATION_TIME,
|
|
onComplete: this._hideDone,
|
|
onCompleteScope: this
|
|
});
|
|
this._unshadeBackgrounds();
|
|
|
|
this._coverPane.raise_top();
|
|
this._coverPane.show();
|
|
this.emit('hiding');
|
|
},
|
|
|
|
_showDone: function() {
|
|
this.animationInProgress = false;
|
|
this._desktopFade.hide();
|
|
this._coverPane.hide();
|
|
|
|
this.emit('shown');
|
|
// Handle any calls to hide* while we were showing
|
|
if (!this._shown && !this._shownTemporarily)
|
|
this._animateNotVisible();
|
|
|
|
this._syncInputMode();
|
|
global.sync_pointer();
|
|
},
|
|
|
|
_hideDone: function() {
|
|
// Re-enable unredirection
|
|
Meta.enable_unredirect_for_screen(global.screen);
|
|
|
|
global.window_group.show();
|
|
global.top_window_group.show();
|
|
|
|
this._viewSelector.hide();
|
|
this._desktopFade.hide();
|
|
this._backgroundGroup.hide();
|
|
this._stack.hide();
|
|
|
|
this.visible = false;
|
|
this.animationInProgress = false;
|
|
|
|
this._coverPane.hide();
|
|
|
|
this.emit('hidden');
|
|
// Handle any calls to show* while we were hiding
|
|
if (this._shown || this._shownTemporarily)
|
|
this._animateVisible();
|
|
|
|
this._syncInputMode();
|
|
|
|
// Fake a pointer event if requested
|
|
if (this._needsFakePointerEvent) {
|
|
this._fakePointerEvent();
|
|
this._needsFakePointerEvent = false;
|
|
}
|
|
}
|
|
});
|
|
Signals.addSignalMethods(Overview.prototype);
|