DevTools: support uiLocationToRawLocations for CSS

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @implements {SDK.SDKModelObserver<!SDK.CSSModel>}
  */
 Bindings.CSSWorkspaceBinding = class {
   /**
    * @param {!SDK.TargetManager} targetManager
@@ skipping 61 matching lines @@
       return null;
 
     var lineNumber = range.startLine;
     var columnNumber = range.startColumn;
     var rawLocation = new SDK.CSSLocation(
         header, header.lineNumberInSource(lineNumber), header.columnNumberInSource(lineNumber, columnNumber));
     return this.rawLocationToUILocation(rawLocation);
   }
 
   /**
-   * @param {?SDK.CSSLocation} rawLocation
+   * @param {!SDK.CSSLocation} rawLocation
    * @return {?Workspace.UILocation}
    */
   rawLocationToUILocation(rawLocation) {
-    if (!rawLocation)

[dgozman, 2017/05/04 17:44:37]

Seems unrelated :-)

[caseq, 2017/05/04 17:46:49]

It's a drive-by. Compiler, code search and tests think it's fine.

-      return null;
     for (var i = this._sourceMappings.length - 1; i >= 0; --i) {
       var uiLocation = this._sourceMappings[i].rawLocationToUILocation(rawLocation);
       if (uiLocation)
         return uiLocation;
     }
     return this._modelToInfo.get(rawLocation.cssModel())._rawLocationToUILocation(rawLocation);
   }
 
   /**
+   * @param {!Workspace.UILocation} uiLocation
+   * @return {!Array<!SDK.CSSLocation>}
+   */
+  uiLocationToRawLocations(uiLocation) {
+    for (var i = this._sourceMappings.length - 1; i >= 0; --i) {
+      var rawLocations = this._sourceMappings[i].uiLocationToRawLocations(uiLocation);
+      if (rawLocations.length)
+        return rawLocations;
+    }
+    var rawLocations = [];
+    for (var modelInfo of this._modelToInfo.values())
+      rawLocations.pushAll(modelInfo._uiLocationToRawLocations(uiLocation));
+    return rawLocations;
+  }
+
+  /**
    * @param {!Bindings.CSSWorkspaceBinding.SourceMapping} sourceMapping
    */
   addSourceMapping(sourceMapping) {
     this._sourceMappings.push(sourceMapping);
   }
 };
 
 /**
  * @interface
  */
 Bindings.CSSWorkspaceBinding.SourceMapping = function() {};
 
 Bindings.CSSWorkspaceBinding.SourceMapping.prototype = {
   /**
    * @param {!SDK.CSSLocation} rawLocation
    * @return {?Workspace.UILocation}
    */
   rawLocationToUILocation(rawLocation) {},
+
+  /**
+   * @param {!Workspace.UILocation} uiLocation
+   * @return {!Array<!SDK.CSSLocation>}
+   */
+  uiLocationToRawLocations(uiLocation) {},
 };
 
 Bindings.CSSWorkspaceBinding.ModelInfo = class {
   /**
    * @param {!SDK.CSSModel} cssModel
    * @param {!Workspace.Workspace} workspace
    */
   constructor(cssModel, workspace) {
     this._eventListeners = [
       cssModel.addEventListener(SDK.CSSModel.Events.StyleSheetAdded, this._styleSheetAdded, this),
@@ skipping 81 matching lines @@
    * @param {!SDK.CSSLocation} rawLocation
    * @return {?Workspace.UILocation}
    */
   _rawLocationToUILocation(rawLocation) {
     var uiLocation = null;
     uiLocation = uiLocation || this._sassSourceMapping.rawLocationToUILocation(rawLocation);
     uiLocation = uiLocation || this._stylesSourceMapping.rawLocationToUILocation(rawLocation);
     return uiLocation;
   }
 
+  /**
+   * @param {!Workspace.UILocation} uiLocation
+   * @return {!Array<!SDK.CSSLocation>}
+   */
+  _uiLocationToRawLocations(uiLocation) {
+    var rawLocations = this._sassSourceMapping.uiLocationToRawLocations(uiLocation);
+    if (rawLocations.length)
+      return rawLocations;
+    return this._stylesSourceMapping.uiLocationToRawLocations(uiLocation);
+  }
+
+
   _dispose() {
     Common.EventTarget.removeEventListeners(this._eventListeners);
     this._stylesSourceMapping.dispose();
     this._sassSourceMapping.dispose();
   }
 };
 
 /**
  * @unrestricted
  */
@@ skipping 38 matching lines @@
    */
   isBlackboxed() {
     return false;
   }
 };
 
 /**
  * @type {!Bindings.CSSWorkspaceBinding}
  */
 Bindings.cssWorkspaceBinding;