src/third_party/WebKit/Source/devtools/front_end/network/RequestPreviewView.js

   1 /*
   2  * Copyright (C) 2011 Google 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 are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 /**
  32  * @constructor
  33  * @extends {WebInspector.RequestContentView}
  34  * @param {!WebInspector.NetworkRequest} request
  35  */
  36 WebInspector.RequestPreviewView = function(request, responseView)
  37 {
  38     WebInspector.RequestContentView.call(this, request);
  39     this._responseView = responseView;
  40 }
  41
  42 WebInspector.RequestPreviewView.prototype = {
  43     contentLoaded: function()
  44     {
  45         if (!this.request.content && !this.request.contentError()) {
  46             if (!this._emptyView) {
  47                 this._emptyView = this._createEmptyView();
  48                 this._emptyView.show(this.element);
  49                 this.innerView = this._emptyView;
  50             }
  51         } else {
  52             if (this._emptyView) {
  53                 this._emptyView.detach();
  54                 delete this._emptyView;
  55             }
  56
  57             if (!this._previewView)
  58                 this._previewView = this._createPreviewView();
  59             this._previewView.show(this.element);
  60             this.innerView = this._previewView;
  61         }
  62     },
  63
  64     _createEmptyView: function()
  65     {
  66         return this._createMessageView(WebInspector.UIString("This request has no preview available."));
  67     },
  68
  69     /**
  70      * @param {string} message
  71      * @return {!WebInspector.EmptyView}
  72      */
  73     _createMessageView: function(message)
  74     {
  75         return new WebInspector.EmptyView(message);
  76     },
  77
  78     _jsonView: function()
  79     {
  80         var parsedJSON = WebInspector.RequestJSONView.parseJSON(this.request.content);
  81         if (parsedJSON)
  82             return new WebInspector.RequestJSONView(this.request, parsedJSON);
  83     },
  84
  85     /**
  86      * @return {?WebInspector.RequestHTMLView}
  87      */
  88     _htmlErrorPreview: function()
  89     {
  90         var whitelist = ["text/html", "text/plain", "application/xhtml+xml"];
  91         if (whitelist.indexOf(this.request.mimeType) === -1)
  92             return null;
  93
  94         var dataURL = this.request.asDataURL();
  95         if (dataURL === null)
  96             return null;
  97
  98         return new WebInspector.RequestHTMLView(this.request, dataURL);
  99     },
 100
 101     _createPreviewView: function()
 102     {
 103         if (this.request.contentError())
 104             return this._createMessageView(WebInspector.UIString("Failed to load response data"));
 105
 106         var mimeType = this.request.mimeType || "";
 107         if (mimeType === "application/json" || mimeType.endsWith("+json")) {
 108             var jsonView = this._jsonView();
 109             if (jsonView)
 110                 return jsonView;
 111         }
 112
 113         if (this.request.hasErrorStatusCode()) {
 114             var htmlErrorPreview = this._htmlErrorPreview();
 115             if (htmlErrorPreview)
 116                 return htmlErrorPreview;
 117         }
 118
 119         if (this.request.type === WebInspector.resourceTypes.XHR) {
 120             var jsonView = this._jsonView();
 121             if (jsonView)
 122                 return jsonView;
 123             var htmlErrorPreview = this._htmlErrorPreview();
 124             if (htmlErrorPreview)
 125                 return htmlErrorPreview;
 126         }
 127
 128         if (this._responseView.sourceView)
 129             return this._responseView.sourceView;
 130
 131         if (this.request.type === WebInspector.resourceTypes.Other)
 132             return this._createEmptyView();
 133
 134         return WebInspector.RequestView.nonSourceViewForRequest(this.request);
 135     },
 136
 137     __proto__: WebInspector.RequestContentView.prototype
 138 }