5c60d8982e
Commit 4632db177 removed a required include statement, re-add it to
fix DND from the dash.
598 lines
22 KiB
JavaScript
598 lines
22 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 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 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 Panel = imports.ui.panel;
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const Dash = imports.ui.dash;
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const Tweener = imports.ui.tweener;
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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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// Time for pane menus to fade in/out
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const PANE_FADE_TIME = 0.1;
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// We divide the screen into a grid of rows and columns, which we use
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// to help us position the Overview components, such as the side panel
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// that lists applications and documents, the workspaces display, and
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// the button for adding additional workspaces.
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// In the regular mode, the side panel takes up one column on the left,
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// and the workspaces display takes up the remaining columns.
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// In the expanded side panel display mode, the side panel takes up two
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// columns, and the workspaces display slides all the way to the right,
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// being visible only in the last quarter of the right-most column.
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// In the future, this mode will have more components, such as a display
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// of documents which were recently opened with a given application, which
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// will take up the remaining sections of the display.
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const WIDE_SCREEN_CUT_OFF_RATIO = 1.4;
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// A common netbook resolution is 1024x600, which trips the widescreen
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// ratio. However that leaves way too few pixels for the dash. So
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// just treat this as a regular screen.
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const WIDE_SCREEN_MINIMUM_HEIGHT = 768;
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const COLUMNS_REGULAR_SCREEN = 4;
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const ROWS_REGULAR_SCREEN = 8;
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const COLUMNS_WIDE_SCREEN = 5;
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const ROWS_WIDE_SCREEN = 10;
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const DEFAULT_PADDING = 4;
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// Padding around workspace grid / Spacing between Dash and Workspaces
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const WORKSPACE_GRID_PADDING = 12;
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const COLUMNS_FOR_WORKSPACES_REGULAR_SCREEN = 3;
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const ROWS_FOR_WORKSPACES_REGULAR_SCREEN = 6;
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const COLUMNS_FOR_WORKSPACES_WIDE_SCREEN = 4;
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const ROWS_FOR_WORKSPACES_WIDE_SCREEN = 8;
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// A multi-state; PENDING is used during animations
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const STATE_ACTIVE = true;
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const STATE_PENDING_INACTIVE = false;
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const STATE_INACTIVE = false;
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const SHADOW_COLOR = new Clutter.Color();
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SHADOW_COLOR.from_pixel(0x00000033);
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const TRANSPARENT_COLOR = new Clutter.Color();
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TRANSPARENT_COLOR.from_pixel(0x00000000);
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const SHADOW_WIDTH = 6;
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const NUMBER_OF_SECTIONS_IN_SEARCH = 2;
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const INFO_BAR_HIDE_TIMEOUT = 10;
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let wideScreen = false;
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let displayGridColumnWidth = null;
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let displayGridRowHeight = null;
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function InfoBar() {
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this._init();
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}
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InfoBar.prototype = {
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_init: function() {
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this.actor = new St.Bin({ style_class: 'info-bar-panel',
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x_fill: true,
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y_fill: false });
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this._label = new St.Label();
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this._undo = new St.Button({ style_class: 'info-bar-link-button' });
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let bin = new St.Bin({ x_fill: false,
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y_fill: false,
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x_align: St.Align.MIDDLE,
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y_align: St.Align.MIDDLE });
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this.actor.set_child(bin);
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let box = new St.BoxLayout({ style_class: 'info-bar' });
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bin.set_child(box);
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this._timeoutId = 0;
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box.add(this._label, {'y-fill' : false, 'y-align' : St.Align.MIDDLE});
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box.add(this._undo);
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this.actor.set_opacity(0);
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this._undoCallback = null;
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this._undo.connect('clicked', Lang.bind(this, this._onUndoClicked));
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},
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_onUndoClicked: function() {
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Mainloop.source_remove(this._timeoutId);
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this._timeoutId = 0;
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if (this._undoCallback)
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this._undoCallback();
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this.actor.set_opacity(0);
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this._undoCallback = null;
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},
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_hideDone: function() {
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this._undoCallback = null;
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},
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_hide: function() {
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Tweener.addTween(this.actor,
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{ opacity: 0,
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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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},
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_onTimeout: function() {
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this._timeoutId = 0;
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this._hide();
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return false;
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},
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setMessage: function(text, undoCallback, undoLabel) {
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if (this._timeoutId)
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Mainloop.source_remove(this._timeoutId);
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this._timeout = false;
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this._label.text = text;
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Tweener.addTween(this.actor,
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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._timeoutId = Mainloop.timeout_add_seconds(INFO_BAR_HIDE_TIMEOUT, Lang.bind(this, this._onTimeout));
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if (undoLabel)
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this._undo.label = undoLabel;
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else
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this._undo.label = _("Undo");
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this._undoCallback = undoCallback;
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if (undoCallback)
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this._undo.show();
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else
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this._undo.hide();
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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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this._group = new St.Group({ style_class: 'overview' });
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this._group._delegate = this;
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this._group.connect('destroy', Lang.bind(this,
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function() {
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if (this._lightbox) {
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this._lightbox.destroy();
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this._lightbox = null;
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}
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}));
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this.infoBar = new InfoBar();
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this._group.add_actor(this.infoBar.actor);
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this._workspacesManager = null;
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this._lightbox = 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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this._recalculateGridSizes();
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this._activeDisplayPane = null;
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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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// Similar to the cover pane but used for dialogs ("panes"); see the comments
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// in addPane below.
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this._transparentBackground = new Clutter.Rectangle({ opacity: 0,
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reactive: true });
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this._group.add_actor(this._transparentBackground);
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// Background color for the Overview
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this._backOver = new St.Label();
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this._group.add_actor(this._backOver);
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this._group.hide();
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global.overlay_group.add_actor(this._group);
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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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// Container to hold popup pane chrome.
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this._paneContainer = new St.BoxLayout({ style_class: 'overview-pane' });
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// Note here we explicitly don't set the paneContainer to be reactive yet; that's done
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// inside the notify::visible handler on panes.
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this._paneContainer.connect('button-release-event', Lang.bind(this, function(background) {
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this._activeDisplayPane.close();
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return true;
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}));
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this._group.add_actor(this._paneContainer);
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this._transparentBackground.lower_bottom();
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this._paneContainer.hide();
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this._coverPane.lower_bottom();
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this.workspaces = null;
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},
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_onViewChanged: function() {
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if (!this.visible)
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return;
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this.workspaces = this._workspacesManager.workspacesView;
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// Show new workspacesView
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this._group.add_actor(this.workspaces.actor);
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this._workspacesBar.raise(this.workspaces.actor);
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this._dash.actor.raise(this.workspaces.actor);
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},
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_recalculateGridSizes: function () {
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let primary = global.get_primary_monitor();
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wideScreen = (primary.width/primary.height > WIDE_SCREEN_CUT_OFF_RATIO) &&
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(primary.height >= WIDE_SCREEN_MINIMUM_HEIGHT);
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// We divide the screen into an imaginary grid which helps us determine the layout of
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// different visual components.
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if (wideScreen) {
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displayGridColumnWidth = Math.floor(primary.width / COLUMNS_WIDE_SCREEN);
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displayGridRowHeight = Math.floor(primary.height / ROWS_WIDE_SCREEN);
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} else {
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displayGridColumnWidth = Math.floor(primary.width / COLUMNS_REGULAR_SCREEN);
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displayGridRowHeight = Math.floor(primary.height / ROWS_REGULAR_SCREEN);
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}
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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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this._recalculateGridSizes();
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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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let contentY = Panel.PANEL_HEIGHT;
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let contentHeight = primary.height - contentY;
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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 workspaceColumnsUsed = wideScreen ? COLUMNS_FOR_WORKSPACES_WIDE_SCREEN : COLUMNS_FOR_WORKSPACES_REGULAR_SCREEN;
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let workspaceRowsUsed = wideScreen ? ROWS_FOR_WORKSPACES_WIDE_SCREEN : ROWS_FOR_WORKSPACES_REGULAR_SCREEN;
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this._workspacesWidth = displayGridColumnWidth * workspaceColumnsUsed
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- WORKSPACE_GRID_PADDING * 2;
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// We scale the vertical padding by (primary.height / primary.width)
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// so that the workspace preserves its aspect ratio.
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this._workspacesHeight = Math.floor(displayGridRowHeight * workspaceRowsUsed
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- WORKSPACE_GRID_PADDING * (primary.height / primary.width) * 2);
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if (rtl) {
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this._workspacesX = WORKSPACE_GRID_PADDING;
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} else {
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this._workspacesX = displayGridColumnWidth + WORKSPACE_GRID_PADDING;
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}
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this._workspacesY = Math.floor(displayGridRowHeight + WORKSPACE_GRID_PADDING * (primary.height / primary.width));
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if (rtl) {
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this._dash.actor.set_position(primary.width - displayGridColumnWidth, contentY);
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} else {
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this._dash.actor.set_position(0, contentY);
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}
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this._dash.actor.set_size(displayGridColumnWidth, contentHeight);
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this._dash.searchArea.height = this._workspacesY - contentY;
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this._dash.sectionArea.height = this._workspacesHeight;
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this._dash.searchResults.actor.height = this._workspacesHeight;
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this.infoBar.actor.set_position(displayGridColumnWidth, Panel.PANEL_HEIGHT);
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this.infoBar.actor.set_size(primary.width - displayGridColumnWidth, this._workspacesY - Panel.PANEL_HEIGHT);
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this.infoBar.actor.raise_top();
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// place the 'Add Workspace' button in the bottom row of the grid
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this._workspacesBarX = this._workspacesX;
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this._workspacesBarWidth = this._workspacesWidth;
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this._workspacesBarY = primary.height - displayGridRowHeight;
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// The parent (this._group) is positioned at the top left of the primary monitor
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// while this._backOver occupies the entire screen.
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this._backOver.set_position(- primary.x, - primary.y);
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this._backOver.set_size(global.screen_width, global.screen_height);
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this._paneContainer.set_position(this._dash.actor.x + this._dash.actor.width + DEFAULT_PADDING,
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this._workspacesY);
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// Dynamic width
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this._paneContainer.height = this._workspacesHeight;
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if (rtl) {
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this._paneContainer.connect('notify::width', Lang.bind(this, function (paneContainer) {
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paneContainer.x = this._dash.actor.x - (DEFAULT_PADDING + paneContainer.width);
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}));
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}
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this._transparentBackground.set_position(primary.x, primary.y);
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this._transparentBackground.set_size(primary.width, primary.height);
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},
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addPane: function (pane, align) {
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pane.actor.height = .9 * this._workspacesHeight;
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this._paneContainer.add(pane.actor, { expand: true,
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y_fill: false,
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y_align: align });
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// When a pane is displayed, we raise the transparent background to the top
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// and connect to button-release-event on it, then raise the pane above that.
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// The idea here is that clicking anywhere outside the pane should close it.
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// When the active pane is closed, undo the effect.
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let backgroundEventId = null;
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pane.connect('open-state-changed', Lang.bind(this, function (pane, isOpen) {
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if (isOpen) {
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this._activeDisplayPane = pane;
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this._transparentBackground.raise_top();
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this._paneContainer.raise_top();
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this._paneContainer.show();
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this._paneReady = false;
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if (backgroundEventId != null)
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this._transparentBackground.disconnect(backgroundEventId);
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backgroundEventId = this._transparentBackground.connect('captured-event', Lang.bind(this, function (actor, event) {
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if (event.get_source() != this._transparentBackground)
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return false;
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if (event.type() == Clutter.EventType.BUTTON_PRESS)
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this._paneReady = true;
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if (event.type() == Clutter.EventType.BUTTON_RELEASE
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&& this._paneReady)
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this._activeDisplayPane.close();
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return true;
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}));
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if (!this._lightbox)
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this._lightbox = new Lightbox.Lightbox(this._group,
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{ fadeTime: PANE_FADE_TIME });
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this._lightbox.show();
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this._lightbox.highlight(this._paneContainer);
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} else if (pane == this._activeDisplayPane) {
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this._activeDisplayPane = null;
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if (backgroundEventId != null) {
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this._transparentBackground.disconnect(backgroundEventId);
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backgroundEventId = null;
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}
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this._transparentBackground.lower_bottom();
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this._paneContainer.hide();
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this._lightbox.hide();
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}
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}));
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},
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//// Public methods ////
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beginItemDrag: function(source) {
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// Close any active panes if @source is a GenericDisplayItem.
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// This allows the user to place the item on any workspace.
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if (source instanceof GenericDisplay.GenericDisplayItem)
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if (this._activeDisplayPane != null)
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this._activeDisplayPane.close();
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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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// 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._group.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._group.x, this._group.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._dash.actor))
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return;
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this.visible = true;
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this.animationInProgress = true;
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this._dash.show();
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/* TODO: make this stuff dynamic */
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this._workspacesManager =
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new WorkspacesView.WorkspacesManager(this._workspacesWidth,
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this._workspacesHeight,
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this._workspacesX,
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this._workspacesY);
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this._workspacesManager.connect('view-changed',
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Lang.bind(this, this._onViewChanged));
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this.workspaces = this._workspacesManager.workspacesView;
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this._group.add_actor(this.workspaces.actor);
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// The workspaces actor is as big as the screen, so we have to raise the dash above it
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// for drag and drop to work. In the future we should fix the workspaces to not
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// be as big as the screen.
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this._dash.actor.raise(this.workspaces.actor);
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this._workspacesBar = this._workspacesManager.controlsBar.actor;
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this._workspacesBar.set_position(this._workspacesBarX,
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this._workspacesBarY);
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this._workspacesBar.width = this._workspacesBarWidth;
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this._group.add_actor(this._workspacesBar);
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this._workspacesBar.raise(this.workspaces.actor);
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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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// Create a zoom out effect. First scale the Overview group up and
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// position it so that the active workspace fills up the whole screen,
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// then transform the group to its normal dimensions and position.
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// The opposite transition is used in hide().
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this._group.scaleX = this._group.scaleY = this.getZoomedInScale();
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[this._group.x, this._group.y] = this.getZoomedInPosition();
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let primary = global.get_primary_monitor();
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Tweener.addTween(this._group,
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{ x: primary.x,
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y: primary.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 Dash fade in so that it doesn't appear too big.
|
|
this._dash.actor.opacity = 0;
|
|
Tweener.addTween(this._dash.actor,
|
|
{ opacity: 255,
|
|
transition: 'easeOutQuad',
|
|
time: ANIMATION_TIME
|
|
});
|
|
|
|
this._coverPane.raise_top();
|
|
this.emit('showing');
|
|
},
|
|
|
|
hide: function() {
|
|
if (!this.visible || this._hideInProgress)
|
|
return;
|
|
|
|
this.animationInProgress = true;
|
|
this._hideInProgress = true;
|
|
if (this._activeDisplayPane != null)
|
|
this._activeDisplayPane.close();
|
|
this.workspaces.hide();
|
|
|
|
// Create a zoom in effect by transforming the Overview group so that
|
|
// the active workspace fills up the whole screen. The opposite
|
|
// transition is used in show().
|
|
let scale = this.getZoomedInScale();
|
|
let [posX, posY] = this.getZoomedInPosition();
|
|
Tweener.addTween(this._group,
|
|
{ x: posX,
|
|
y: posY,
|
|
scaleX: scale,
|
|
scaleY: scale,
|
|
transition: 'easeOutQuad',
|
|
time: ANIMATION_TIME,
|
|
onComplete: this._hideDone,
|
|
onCompleteScope: this
|
|
});
|
|
|
|
// Make Dash fade out so that it doesn't appear to big.
|
|
Tweener.addTween(this._dash.actor,
|
|
{ opacity: 0,
|
|
transition: 'easeOutQuad',
|
|
time: ANIMATION_TIME
|
|
});
|
|
|
|
this._coverPane.raise_top();
|
|
this.emit('hiding');
|
|
},
|
|
|
|
toggle: function() {
|
|
if (this.visible)
|
|
this.hide();
|
|
else
|
|
this.show();
|
|
},
|
|
|
|
/**
|
|
* getWorkspacesForWindow:
|
|
* @metaWindow: A #MetaWindow
|
|
*
|
|
* Returns the Workspaces object associated with the given window.
|
|
* This method is not be accessible if the overview is not open
|
|
* and will return %null.
|
|
*/
|
|
getWorkspacesForWindow: function(metaWindow) {
|
|
return this.workspaces;
|
|
},
|
|
|
|
//// Private methods ////
|
|
|
|
_showDone: function() {
|
|
if (this._hideInProgress)
|
|
return;
|
|
|
|
this.animationInProgress = false;
|
|
this._coverPane.lower_bottom();
|
|
|
|
this.emit('shown');
|
|
},
|
|
|
|
_hideDone: function() {
|
|
global.window_group.show();
|
|
|
|
this.workspaces.destroy();
|
|
this.workspaces = null;
|
|
|
|
this._workspacesBar.destroy();
|
|
this._workspacesBar = null;
|
|
|
|
this._workspacesManager = null;
|
|
|
|
this._dash.hide();
|
|
this._group.hide();
|
|
|
|
this.visible = false;
|
|
this.animationInProgress = false;
|
|
this._hideInProgress = false;
|
|
|
|
this._coverPane.lower_bottom();
|
|
|
|
Main.popModal(this._dash.actor);
|
|
this.emit('hidden');
|
|
}
|
|
};
|
|
Signals.addSignalMethods(Overview.prototype);
|