blob: 0d0fd4d737fd29baaa1ccb84d3b0c862a70d5d7b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import {DragWrapper, DragWrapperDelegate} from 'chrome://resources/js/drag_wrapper.js';
import {getCurrentlyDraggingTile, setCurrentDropEffect} from './tile_page.js';
/**
* @fileoverview Trash
* This is the class for the trash can that appears when dragging an app.
*/
/**
* @constructor
* @extends {HTMLDivElement}
* @implements {DragWrapperDelegate}
*/
export function Trash(trash) {
trash.__proto__ = Trash.prototype;
trash.initialize();
return trash;
}
Trash.prototype = {
__proto__: HTMLDivElement.prototype,
initialize(element) {
this.dragWrapper_ = new 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(e) {
const tile = getCurrentlyDraggingTile();
if (!tile) {
return false;
}
return tile.firstChild.canBeRemoved();
},
/** @override */
doDragOver(e) {
getCurrentlyDraggingTile().dragClone.classList.add('hovering-on-trash');
setCurrentDropEffect(e.dataTransfer, 'move');
e.preventDefault();
},
/** @override */
doDragEnter(e) {
this.doDragOver(e);
},
/** @override */
doDrop(e) {
e.preventDefault();
const tile = getCurrentlyDraggingTile();
tile.firstChild.removeFromChrome();
tile.landedOnTrash = true;
},
/** @override */
doDragLeave(e) {
getCurrentlyDraggingTile().dragClone.classList.remove('hovering-on-trash');
},
};
|
