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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 
     29 /**
     30  * @extends {WebInspector.ResourceView}
     31  * @constructor
     32  */
     33 WebInspector.ImageView = function(resource)
     34 {
     35     WebInspector.ResourceView.call(this, resource);
     36 
     37     this.element.classList.add("image");
     38 }
     39 
     40 WebInspector.ImageView.prototype = {
     41     /**
     42      * @return {boolean}
     43      */
     44     hasContent: function()
     45     {
     46         return true;
     47     },
     48 
     49     wasShown: function()
     50     {
     51         this._createContentIfNeeded();
     52     },
     53 
     54     _createContentIfNeeded: function()
     55     {
     56         if (this._container)
     57             return;
     58 
     59         var imageContainer = document.createElement("div");
     60         imageContainer.className = "image";
     61         this.element.appendChild(imageContainer);
     62 
     63         var imagePreviewElement = document.createElement("img");
     64         imagePreviewElement.classList.add("resource-image-view");
     65         imageContainer.appendChild(imagePreviewElement);
     66         imagePreviewElement.addEventListener("contextmenu", this._contextMenu.bind(this), true);
     67 
     68         this._container = document.createElement("div");
     69         this._container.className = "info";
     70         this.element.appendChild(this._container);
     71 
     72         var imageNameElement = document.createElement("h1");
     73         imageNameElement.className = "title";
     74         imageNameElement.textContent = this.resource.displayName;
     75         this._container.appendChild(imageNameElement);
     76 
     77         var infoListElement = document.createElement("dl");
     78         infoListElement.className = "infoList";
     79 
     80         this.resource.populateImageSource(imagePreviewElement);
     81 
     82         /**
     83          * @this {WebInspector.ImageView}
     84          */
     85         function onImageLoad()
     86         {
     87             var content = this.resource.content;
     88             if (content)
     89                 var resourceSize = this._base64ToSize(content);
     90             else
     91                 var resourceSize = this.resource.resourceSize;
     92 
     93             var imageProperties = [
     94                 { name: WebInspector.UIString("Dimensions"), value: WebInspector.UIString("%d  %d", imagePreviewElement.naturalWidth, imagePreviewElement.naturalHeight) },
     95                 { name: WebInspector.UIString("File size"), value: Number.bytesToString(resourceSize) },
     96                 { name: WebInspector.UIString("MIME type"), value: this.resource.mimeType }
     97             ];
     98 
     99             infoListElement.removeChildren();
    100             for (var i = 0; i < imageProperties.length; ++i) {
    101                 var dt = document.createElement("dt");
    102                 dt.textContent = imageProperties[i].name;
    103                 infoListElement.appendChild(dt);
    104                 var dd = document.createElement("dd");
    105                 dd.textContent = imageProperties[i].value;
    106                 infoListElement.appendChild(dd);
    107             }
    108             var dt = document.createElement("dt");
    109             dt.textContent = WebInspector.UIString("URL");
    110             infoListElement.appendChild(dt);
    111             var dd = document.createElement("dd");
    112             var externalResource = true;
    113             dd.appendChild(WebInspector.linkifyURLAsNode(this.resource.url, undefined, undefined, externalResource));
    114             infoListElement.appendChild(dd);
    115 
    116             this._container.appendChild(infoListElement);
    117         }
    118         imagePreviewElement.addEventListener("load", onImageLoad.bind(this), false);
    119         this._imagePreviewElement = imagePreviewElement;
    120     },
    121 
    122     _base64ToSize: function(content)
    123     {
    124         if (!content.length)
    125             return 0;
    126         var size = (content.length || 0) * 3 / 4;
    127         if (content.length > 0 && content[content.length - 1] === "=")
    128             size--;
    129         if (content.length > 1 && content[content.length - 2] === "=")
    130             size--;
    131         return size;
    132     },
    133 
    134     _contextMenu: function(event)
    135     {
    136         var contextMenu = new WebInspector.ContextMenu(event);
    137         contextMenu.appendItem(WebInspector.UIString(WebInspector.useLowerCaseMenuTitles() ? "Copy image URL" : "Copy Image URL"), this._copyImageURL.bind(this));
    138         if (this._imagePreviewElement.src)
    139             contextMenu.appendItem(WebInspector.UIString(WebInspector.useLowerCaseMenuTitles() ? "Copy image as Data URL" : "Copy Image As Data URL"), this._copyImageAsDataURL.bind(this));
    140         contextMenu.appendItem(WebInspector.UIString(WebInspector.useLowerCaseMenuTitles() ? "Open image in new tab" : "Open Image in New Tab"), this._openInNewTab.bind(this));
    141         contextMenu.show();
    142     },
    143 
    144     _copyImageAsDataURL: function()
    145     {
    146         InspectorFrontendHost.copyText(this._imagePreviewElement.src);
    147     },
    148 
    149     _copyImageURL: function()
    150     {
    151         InspectorFrontendHost.copyText(this.resource.url);
    152     },
    153 
    154     _openInNewTab: function()
    155     {
    156         InspectorFrontendHost.openInNewTab(this.resource.url);
    157     },
    158 
    159     __proto__: WebInspector.ResourceView.prototype
    160 }
    161