DevTools: introduce uiSourceCode.mimeType() method

third_party/WebKit/Source/devtools/front_end/bindings/NetworkProject.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 205 matching lines @@
     var target = Bindings.NetworkProject.targetForUISourceCode(uiSourceCode);
     var resourceTreeModel = target && target.model(SDK.ResourceTreeModel);
     var attribution = uiSourceCode[Bindings.NetworkProject._frameAttributionSymbol];
     if (!resourceTreeModel || !attribution)
       return [];
     var frames = Array.from(attribution.keys()).map(frameId => resourceTreeModel.frameForId(frameId));
     return frames.filter(frame => !!frame);
   }
 
   /**
-   * @param {!Workspace.UISourceCode} uiSourceCode
-   * @return {string}
-   */
-  static uiSourceCodeMimeType(uiSourceCode) {
-    if (uiSourceCode[Bindings.NetworkProject._scriptSymbol] || uiSourceCode[Bindings.NetworkProject._styleSheetSymbol])
-      return uiSourceCode.contentType().canonicalMimeType();
-
-    var resource = uiSourceCode[Bindings.NetworkProject._resourceSymbol];
-    if (resource)
-      return resource.mimeType;
-    var mimeType = Common.ResourceType.mimeFromURL(uiSourceCode.url());
-    return mimeType || uiSourceCode.contentType().canonicalMimeType();
-  }
-
-  /**
    * @param {string} frameId
    * @param {boolean} isContentScripts
    * @return {!Bindings.ContentProviderBasedProject}
    */
   _workspaceProject(frameId, isContentScripts) {
     var projectId = Bindings.NetworkProject.projectId(this._target, frameId, isContentScripts);
     var projectType = isContentScripts ? Workspace.projectTypes.ContentScripts : Workspace.projectTypes.Network;
 
     var project = this._workspaceProjects.get(projectId);
     if (project)
@@ skipping 16 matching lines @@
         this._workspaceProjects.get(Bindings.NetworkProject.projectId(this._target, frameId, isContentScript));
     if (!project)
       return;
     project.removeFile(url);
   }
 
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {!Common.ContentProvider} contentProvider
    * @param {?Workspace.UISourceCodeMetadata} metadata
+   * @param {string} mimeType
    */
-  _addUISourceCodeWithProvider(uiSourceCode, contentProvider, metadata) {
+  _addUISourceCodeWithProvider(uiSourceCode, contentProvider, metadata, mimeType) {
     /** @type {!Bindings.ContentProviderBasedProject} */ (uiSourceCode.project())
-        .addUISourceCodeWithProvider(uiSourceCode, contentProvider, metadata);
+        .addUISourceCodeWithProvider(uiSourceCode, contentProvider, metadata, mimeType);
   }
 
   /**
    * @param {!SDK.Script} script
    * @return {boolean}
    */
   _acceptsScript(script) {
     if (!script.sourceURL || script.isLiveEdit() || (script.isInlineScript() && !script.hasSourceURL))
       return false;
     // Filter out embedder injected content scripts.
@@ skipping 10 matching lines @@
    */
   _parsedScriptSource(event) {
     var script = /** @type {!SDK.Script} */ (event.data);
     if (!this._acceptsScript(script))
       return;
     this._acceptedScripts.add(script);
     var originalContentProvider = script.originalContentProvider();
     var frameId = Bindings.frameIdForScript(script);
     script[Bindings.NetworkProject._frameIdSymbol] = frameId;
     var uiSourceCode = this._createFile(originalContentProvider, frameId, script.isContentScript());
-    uiSourceCode[Bindings.NetworkProject._scriptSymbol] = script;
     var metadata = this._fetchMetadata(frameId, uiSourceCode.url());
-    this._addUISourceCodeWithProvider(uiSourceCode, originalContentProvider, metadata);
+    this._addUISourceCodeWithProvider(uiSourceCode, originalContentProvider, metadata, 'text/javascript');
   }
 
   /**
    * @param {!Common.Event} event
    */
   _executionContextDestroyed(event) {
     var executionContext = /** @type {!SDK.ExecutionContext} */ (event.data);
     var scripts = this._debuggerModel.scriptsForExecutionContext(executionContext);
     this._removeScripts(scripts);
   }
@@ skipping 34 matching lines @@
    */
   _styleSheetAdded(event) {
     var header = /** @type {!SDK.CSSStyleSheetHeader} */ (event.data);
     if (!this._acceptsHeader(header))
       return;
 
     var originalContentProvider = header.originalContentProvider();
     var uiSourceCode = this._createFile(originalContentProvider, header.frameId, false);
     uiSourceCode[Bindings.NetworkProject._styleSheetSymbol] = header;
     var metadata = this._fetchMetadata(header.frameId, uiSourceCode.url());
-    this._addUISourceCodeWithProvider(uiSourceCode, originalContentProvider, metadata);
+    this._addUISourceCodeWithProvider(uiSourceCode, originalContentProvider, metadata, 'text/css');
   }
 
   /**
    * @param {!Common.Event} event
    */
   _styleSheetRemoved(event) {
     var header = /** @type {!SDK.CSSStyleSheetHeader} */ (event.data);
     if (!this._acceptsHeader(header))
       return;
     this._removeFileForURL(header.resourceURL(), header.frameId, false);
@@ skipping 29 matching lines @@
   }
 
   /**
    * @param {!SDK.Resource} resource
    */
   _addResource(resource) {
     if (!this._acceptsResource(resource))
       return;
 
     var uiSourceCode = this._createFile(resource, resource.frameId, false);
-    uiSourceCode[Bindings.NetworkProject._resourceSymbol] = resource;
-    this._addUISourceCodeWithProvider(uiSourceCode, resource, Bindings.resourceMetadata(resource));
+    this._addUISourceCodeWithProvider(uiSourceCode, resource, Bindings.resourceMetadata(resource), resource.mimeType);
   }
 
   /**
    * @param {!SDK.ResourceTreeFrame} frame
    */
   _removeFrameResources(frame) {
     var regularProject = this._workspaceProject(frame.id, false);
     var contentScriptsProject = this._workspaceProject(frame.id, true);
     for (var resource of frame.resources()) {
       if (!this._acceptsResource(resource))
@@ skipping 88 matching lines @@
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @return {?SDK.CSSStyleSheetHeader}
    */
   static styleHeaderForUISourceCode(uiSourceCode) {
     return uiSourceCode[Bindings.NetworkProject._styleSheetSymbol];
   }
 };
 
 Bindings.NetworkProject._networkProjectSymbol = Symbol('networkProject');
-Bindings.NetworkProject._resourceSymbol = Symbol('resource');
-Bindings.NetworkProject._scriptSymbol = Symbol('script');
 Bindings.NetworkProject._styleSheetSymbol = Symbol('styleSheet');
 Bindings.NetworkProject._targetSymbol = Symbol('target');
 Bindings.NetworkProject._frameIdSymbol = Symbol('frameid');
 
 Bindings.NetworkProject._frameAttributionSymbol = Symbol('Bindings.NetworkProject._frameAttributionSymbol');