src/third_party/WebKit/Source/devtools/front_end/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     _htmlView: function()
  86     {
  87         var dataURL = this.request.asDataURL();
  88         if (dataURL !== null)
  89             return new WebInspector.RequestHTMLView(this.request, dataURL);
  90     },
  91
  92     _createPreviewView: function()
  93     {
  94         if (this.request.contentError())
  95             return this._createMessageView(WebInspector.UIString("Failed to load response data"));
  96
  97         var jsonMediaTypeRE = /^application\/[^;]*\+json/;
  98         if (this.request.mimeType === "application/json" || jsonMediaTypeRE.test(this.request.mimeType)) {
  99             var jsonView = this._jsonView();
 100             if (jsonView)
 101                 return jsonView;
 102         }
 103
 104         if (this.request.hasErrorStatusCode()) {
 105             var htmlView = this._htmlView();
 106             if (htmlView)
 107                 return htmlView;
 108         }
 109
 110         if (this.request.type === WebInspector.resourceTypes.XHR) {
 111             var jsonView = this._jsonView();
 112             if (jsonView)
 113                 return jsonView;
 114         }
 115
 116         if (this.request.type === WebInspector.resourceTypes.XHR && this.request.mimeType === "text/html") {
 117             var htmlView = this._htmlView();
 118             if (htmlView)
 119                 return htmlView;
 120         }
 121
 122         if (this._responseView.sourceView)
 123             return this._responseView.sourceView;
 124
 125         if (this.request.type === WebInspector.resourceTypes.Other)
 126             return this._createEmptyView();
 127
 128         return WebInspector.RequestView.nonSourceViewForRequest(this.request);
 129     },
 130
 131     __proto__: WebInspector.RequestContentView.prototype
 132 }