1/*
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26WebInspector.View = function(element)
27{
28    this.element = element || document.createElement("div");
29    this._visible = false;
30}
31
32WebInspector.View.prototype = {
33    get visible()
34    {
35        return this._visible;
36    },
37
38    set visible(x)
39    {
40        if (this._visible === x)
41            return;
42
43        if (x)
44            this.show();
45        else
46            this.hide();
47    },
48
49    show: function(parentElement)
50    {
51        this._visible = true;
52        if (parentElement && parentElement !== this.element.parentNode) {
53            this.detach();
54            parentElement.appendChild(this.element);
55        }
56        if (!this.element.parentNode && this.attach)
57            this.attach();
58        this.element.addStyleClass("visible");
59    },
60
61    hide: function()
62    {
63        this.element.removeStyleClass("visible");
64        this._visible = false;
65    },
66
67    detach: function()
68    {
69        if (this.element.parentNode)
70            this.element.parentNode.removeChild(this.element);
71    }
72}
73
74WebInspector.View.prototype.__proto__ = WebInspector.Object.prototype;
75