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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* @fileoverview Trash
* This is the class for the trash can that appears when dragging an app.
*/
cr.define('ntp', function() {
'use strict';
/**
* @constructor
*/
function Trash(trash) {
trash.__proto__ = Trash.prototype;
trash.initialize();
return trash;
}
Trash.prototype = {
__proto__: HTMLDivElement.prototype,
initialize: function(element) {
this.dragWrapper_ = new cr.ui.DragWrapper(this, this);
},
/**
* Determines whether we are interested in the drag data for |e|.
* @param {Event} e The event from drag enter.
* @return {boolean} True if we are interested in the drag data for |e|.
*/
shouldAcceptDrag: function(e) {
var tile = ntp.getCurrentlyDraggingTile();
if (!tile)
return false;
return tile.firstChild.canBeRemoved();
},
/**
* Drag over handler.
* @param {Event} e The drag event.
*/
doDragOver: function(e) {
ntp.getCurrentlyDraggingTile().dragClone.classList.add(
'hovering-on-trash');
ntp.setCurrentDropEffect(e.dataTransfer, 'move');
e.preventDefault();
},
/**
* Drag enter handler.
* @param {Event} e The drag event.
*/
doDragEnter: function(e) {
this.doDragOver(e);
},
/**
* Drop handler.
* @param {Event} e The drag event.
*/
doDrop: function(e) {
e.preventDefault();
var tile = ntp.getCurrentlyDraggingTile();
tile.firstChild.removeFromChrome();
tile.landedOnTrash = true;
},
/**
* Drag leave handler.
* @param {Event} e The drag event.
*/
doDragLeave: function(e) {
ntp.getCurrentlyDraggingTile().dragClone.classList.remove(
'hovering-on-trash');
},
};
return {
Trash: Trash,
};
});
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