third_party/WebKit/Source/devtools/front_end/main/FrontendWebSocketAPI.js

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 /**
   6  * @constructor
   7  * @implements {WebInspector.Linkifier.LinkHandler}
   8  */
   9 WebInspector.FrontendWebSocketAPI = function()
  10 {
  11     InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.DispatchFrontendAPIMessage, this._onFrontendAPIMessage, this);
  12     InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.FrontendAPIAttached, this._onAttach, this);
  13     InspectorFrontendHost.events.addEventListener(InspectorFrontendHostAPI.Events.FrontendAPIDetached, this._onDetach, this);
  14 }
  15
  16 WebInspector.FrontendWebSocketAPI.prototype = {
  17     _onAttach: function()
  18     {
  19         WebInspector.workspace.addEventListener(WebInspector.Workspace.Events.UISourceCodeContentCommitted, this._workingCopyCommitted, this);
  20         WebInspector.workspace.addEventListener(WebInspector.Workspace.Events.UISourceCodeWorkingCopyChanged, this._workingCopyChanged, this);
  21         WebInspector.Linkifier.setLinkHandler(this);
  22     },
  23
  24     _onDetach: function()
  25     {
  26         WebInspector.workspace.removeEventListener(WebInspector.Workspace.Events.UISourceCodeContentCommitted, this._workingCopyCommitted, this);
  27         WebInspector.workspace.removeEventListener(WebInspector.Workspace.Events.UISourceCodeWorkingCopyChanged, this._workingCopyChanged, this);
  28         WebInspector.Linkifier.setLinkHandler(null);
  29     },
  30
  31     /**
  32      * @override
  33      * @param {string} url
  34      * @param {number=} lineNumber
  35      * @return {boolean}
  36      */
  37     handleLink: function(url, lineNumber)
  38     {
  39         var uiSourceCode = WebInspector.networkMapping.uiSourceCodeForURLForAnyTarget(url);
  40         if (uiSourceCode)
  41             url = uiSourceCode.originURL();
  42         if (url.startsWith("file://")) {
  43             var file = url.substring(7);
  44             this._issueFrontendAPINotification("Frontend.revealLocation", { file: file, line: lineNumber });
  45             return true;
  46         }
  47         return false;
  48     },
  49
  50     /**
  51      * @param {!WebInspector.Event} event
  52      */
  53     _onFrontendAPIMessage: function(event)
  54     {
  55         var message = JSON.parse(/** @type {string} */ (event.data));
  56         this._dispatchFrontendAPIMessage(message["id"], message["method"], message["params"] || null);
  57     },
  58
  59     /**
  60      * @param {number} id
  61      * @param {string} method
  62      * @param {?Object} params
  63      */
  64     _dispatchFrontendAPIMessage: function(id, method, params)
  65     {
  66         this._dispatchingFrontendMessage = true;
  67         switch (method) {
  68         case "Frontend.updateBuffer":
  69             var file = params["file"];
  70             var buffer = params["buffer"];
  71             var saved = params["saved"];
  72             var uiSourceCode = WebInspector.workspace.filesystemUISourceCode("file://" + file);
  73             if (uiSourceCode) {
  74                 if (buffer !== uiSourceCode.workingCopy())
  75                     uiSourceCode.setWorkingCopy(buffer);
  76                 if (saved)
  77                     uiSourceCode.checkContentUpdated();
  78             }
  79             this._issueResponse(id);
  80             break;
  81         default:
  82             WebInspector.console.log("Unhandled API message: " + method);
  83         }
  84         this._dispatchingFrontendMessage = false;
  85     },
  86
  87     /**
  88      * @param {!WebInspector.Event} event
  89      * @param {boolean=} saved
  90      */
  91     _workingCopyChanged: function(event, saved)
  92     {
  93         if (this._dispatchingFrontendMessage)
  94             return;
  95         var uiSourceCode = /** @type {!WebInspector.UISourceCode} */ (event.data["uiSourceCode"]);
  96         var url = uiSourceCode.originURL();
  97         if (url.startsWith("file://"))
  98             url = url.substring(7);
  99         var params = { file: url, buffer: uiSourceCode.workingCopy() };
 100         if (saved)
 101             params.saved = true;
 102         this._issueFrontendAPINotification("Frontend.bufferUpdated", params);
 103     },
 104
 105     /**
 106      * @param {!WebInspector.Event} event
 107      */
 108     _workingCopyCommitted: function(event)
 109     {
 110         this._workingCopyChanged(event, true);
 111     },
 112
 113     /**
 114      * @param {number} id
 115      * @param {!Object=} params
 116      */
 117     _issueResponse: function(id, params)
 118     {
 119         var object = {id: id};
 120         if (params)
 121             object.params = params;
 122         InspectorFrontendHost.sendFrontendAPINotification(JSON.stringify(object));
 123     },
 124
 125     /**
 126      * @param {string} method
 127      * @param {?Object} params
 128      */
 129     _issueFrontendAPINotification: function(method, params)
 130     {
 131         InspectorFrontendHost.sendFrontendAPINotification(JSON.stringify({ method: method, params: params }));
 132     }
 133 }