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  • Committer: Package Import Robot
  • Author(s): Michael Biebl
  • Date: 2012-05-30 13:19:38 UTC
  • mfrom: (18.1.24 experimental)
  • Revision ID: package-import@ubuntu.com-20120530131938-i3trc1g1p3is2u6x
Tags: 3.4.1-3
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js/ui/lightbox.js
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const Lang = imports.lang;
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const Meta = imports.gi.Meta;
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const St = imports.gi.St;
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 * @container and will track any changes in its size. You can override
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 * this by passing an explicit width and height in @params.
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 */
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function Lightbox(container, params) {
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    this._init(container, params);
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}
 
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const Lightbox = new Lang.Class({
 
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    Name: 'Lightbox',
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Lightbox.prototype = {
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    _init : function(container, params) {
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        params = Params.parse(params, { inhibitEvents: false,
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                                        width: null,
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        if (params.width && params.height) {
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            this.actor.width = params.width;
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            this.actor.height = params.height;
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            this._allocationChangedSignalId = 0;
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        } else {
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            this.actor.width = container.width;
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            this.actor.height = container.height;
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            this._allocationChangedSignalId = container.connect('allocation-changed', Lang.bind(this, this._allocationChanged));
 
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            let constraint = new Clutter.BindConstraint({ source: container,
 
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                                                          coordinate: Clutter.BindCoordinate.ALL });
 
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            this.actor.add_constraint(constraint);
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        }
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        this._actorAddedSignalId = container.connect('actor-added', Lang.bind(this, this._actorAdded));
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        this._highlighted = null;
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    },
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    _allocationChanged : function(container, box, flags) {
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        Meta.later_add(Meta.LaterType.BEFORE_REDRAW, Lang.bind(this, function() {
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            this.actor.width = this.width;
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            this.actor.height = this.height;
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            return false;
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        }));
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        this.width = this._container.width;
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        this.height = this._container.height;
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    },
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    _actorAdded : function(container, newChild) {
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        let children = this._container.get_children();
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        let myIndex = children.indexOf(this.actor);
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     * by destroying its container or by explicitly calling this.destroy().
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     */
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    _onDestroy: function() {
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        if (this._allocationChangedSignalId != 0)
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            this._container.disconnect(this._allocationChangedSignalId);
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        this._container.disconnect(this._actorAddedSignalId);
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        this._container.disconnect(this._actorRemovedSignalId);
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        this.highlight(null);
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    }
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};
 
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});