aboutsummaryrefslogtreecommitdiff
path: root/js/panels/resize-composer.js
blob: 6e5e89f824af1806a8d3afb880b014b5be2b01d7 (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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
</copyright> */

var Montage = require("montage/core/core").Montage;
var Composer = require("montage/ui/composer/composer").Composer;

exports.ResizeComposer = Montage.create(Composer, {

    enabled : {
        enumerable: false,
        value: true
    },

    inversed : {
        enumarable: false,
        value: false
    },

    _startX: {
        enumerable: false,
        value: 0
    },

    _startY: {
        enumerable: false,
        value: 0
    },

    _deltaX: {
        enumerable: false,
        value: 0
    },

    _deltaY: {
        enumerable: false,
        value: 0
    },

    _startTimestamp: {
        enumerable: false,
        value: 0
    },

    _reset: {
        enumerable: false,
        value: function() {
            this._startX = 0;
            this._startY = 0;
            this._deltaX = 0;
            this._deltaY = 0;
        }
    },

    _executeEvent: {
        value: function(eventName) {
            resizeEvent = document.createEvent("CustomEvent");
            resizeEvent.initCustomEvent(eventName, true, false, null);
            resizeEvent.startX = this._startX;
            resizeEvent.startY = this._startY;
            resizeEvent.dX = this._deltaX;
            resizeEvent.dY = this._deltaY;
            this.dispatchEvent(resizeEvent);
        }
    },

    load: {
        value: function() {
            this.element.addEventListener("mousedown", this, true);
        }
    },

    unload: {
        value: function() {
            this.element.removeEventListener("mousedown", this, true);
        }
    },

    captureMousedown: {
        value: function(e) {
            e.preventDefault();
            if (this.enabled) {
                this._reset();
                this._startX = e.clientX;
                this._startY = e.clientY;
                this._startTimestamp = e.timeStamp;
                window.addEventListener("mousemove", this, true);
                window.addEventListener("mouseup", this, true);
                this._executeEvent("resizeStart");
            }
        }
    },

    captureMouseup: {
        value: function(e) {
            e.preventDefault();
            window.removeEventListener("mousemove", this, true);
            window.removeEventListener("mouseup", this, true);
            this._executeEvent("resizeEnd");
        }
    },

    captureMousemove: {
        value: function(e) {
            this._deltaX = e.clientX - this._startX;
            this._deltaY = e.clientY - this._startY;
            this._executeEvent("resizeMove");
        }
    },

    deserializedFromTemplate: {
        value: function() {
            if (this.component) {
                this.component.addComposer(this);
            }
        }
    }

});