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1/*
2 * Copyright (C) 2007, 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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29WebInspector.ImageView = function(resource)
30{
31    WebInspector.ResourceView.call(this, resource);
32
33    this.element.addStyleClass("image");
34}
35
36WebInspector.ImageView.prototype = {
37    hasContent: function()
38    {
39        return true;
40    },
41
42    show: function(parentElement)
43    {
44        WebInspector.ResourceView.prototype.show.call(this, parentElement);
45        this._createContentIfNeeded();
46    },
47
48    _createContentIfNeeded: function()
49    {
50        if (this._container)
51            return;
52
53        var imageContainer = document.createElement("div");
54        imageContainer.className = "image";
55        this.element.appendChild(imageContainer);
56
57        var imagePreviewElement = document.createElement("img");
58        imagePreviewElement.addStyleClass("resource-image-view");
59        imageContainer.appendChild(imagePreviewElement);
60
61        this._container = document.createElement("div");
62        this._container.className = "info";
63        this.element.appendChild(this._container);
64
65        var imageNameElement = document.createElement("h1");
66        imageNameElement.className = "title";
67        imageNameElement.textContent = this.resource.displayName;
68        this._container.appendChild(imageNameElement);
69
70        var infoListElement = document.createElement("dl");
71        infoListElement.className = "infoList";
72
73        this.resource.populateImageSource(imagePreviewElement);
74
75        function onImageLoad()
76        {
77            var content = this.resource.content;
78            if (content)
79                var resourceSize = this._base64ToSize(content);
80            else
81                var resourceSize = this.resource.resourceSize;
82
83            var imageProperties = [
84                { name: WebInspector.UIString("Dimensions"), value: WebInspector.UIString("%d × %d", imagePreviewElement.naturalWidth, imagePreviewElement.naturalHeight) },
85                { name: WebInspector.UIString("File size"), value: Number.bytesToString(resourceSize) },
86                { name: WebInspector.UIString("MIME type"), value: this.resource.mimeType }
87            ];
88
89            infoListElement.removeChildren();
90            for (var i = 0; i < imageProperties.length; ++i) {
91                var dt = document.createElement("dt");
92                dt.textContent = imageProperties[i].name;
93                infoListElement.appendChild(dt);
94                var dd = document.createElement("dd");
95                dd.textContent = imageProperties[i].value;
96                infoListElement.appendChild(dd);
97            }
98            var dt = document.createElement("dt");
99            dt.textContent = WebInspector.UIString("URL");
100            infoListElement.appendChild(dt);
101            var dd = document.createElement("dd");
102            dd.appendChild(WebInspector.linkifyURLAsNode(this.resource.url));
103            infoListElement.appendChild(dd);
104
105            this._container.appendChild(infoListElement);
106        }
107        imagePreviewElement.addEventListener("load", onImageLoad.bind(this), false);
108    },
109
110    _base64ToSize: function(content)
111    {
112        if (!content.length)
113            return 0;
114        var size = (content.length || 0) * 3 / 4;
115        if (content.length > 0 && content[content.length - 1] === "=")
116            size--;
117        if (content.length > 1 && content[content.length - 2] === "=")
118            size--;
119        return size;
120    }
121}
122
123WebInspector.ImageView.prototype.__proto__ = WebInspector.ResourceView.prototype;
124