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      1 // Copyright 2014 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 #ifndef CONTENT_SHELL_RENDERER_TEST_RUNNER_ACCESSIBILITY_CONTROLLER_H_
      6 #define CONTENT_SHELL_RENDERER_TEST_RUNNER_ACCESSIBILITY_CONTROLLER_H_
      7 
      8 #include <vector>
      9 
     10 #include "base/memory/weak_ptr.h"
     11 #include "content/shell/renderer/test_runner/web_ax_object_proxy.h"
     12 #include "third_party/WebKit/public/web/WebAXObject.h"
     13 #include "v8/include/v8.h"
     14 
     15 namespace blink {
     16 class WebFrame;
     17 class WebString;
     18 class WebView;
     19 }
     20 
     21 namespace content {
     22 
     23 class WebTestDelegate;
     24 
     25 class AccessibilityController :
     26       public base::SupportsWeakPtr<AccessibilityController> {
     27  public:
     28   AccessibilityController();
     29   ~AccessibilityController();
     30 
     31   void Reset();
     32   void Install(blink::WebFrame* frame);
     33   void SetFocusedElement(const blink::WebAXObject&);
     34   bool ShouldLogAccessibilityEvents();
     35   void NotificationReceived(const blink::WebAXObject& target,
     36                             const std::string& notification_name);
     37 
     38   void SetDelegate(WebTestDelegate* delegate);
     39   void SetWebView(blink::WebView* web_view);
     40 
     41  private:
     42   friend class AccessibilityControllerBindings;
     43 
     44   // Bound methods and properties
     45   void LogAccessibilityEvents();
     46   void SetNotificationListener(v8::Handle<v8::Function> callback);
     47   void UnsetNotificationListener();
     48   v8::Handle<v8::Object> FocusedElement();
     49   v8::Handle<v8::Object> RootElement();
     50   v8::Handle<v8::Object> AccessibleElementById(const std::string& id);
     51 
     52   v8::Handle<v8::Object> FindAccessibleElementByIdRecursive(
     53       const blink::WebAXObject&, const blink::WebString& id);
     54 
     55   // If true, will log all accessibility notifications.
     56   bool log_accessibility_events_;
     57 
     58   blink::WebAXObject focused_element_;
     59   blink::WebAXObject root_element_;
     60 
     61   WebAXObjectProxyList elements_;
     62 
     63   v8::Persistent<v8::Function> notification_callback_;
     64 
     65   WebTestDelegate* delegate_;
     66   blink::WebView* web_view_;
     67 
     68   base::WeakPtrFactory<AccessibilityController> weak_factory_;
     69 
     70   DISALLOW_COPY_AND_ASSIGN(AccessibilityController);
     71 };
     72 
     73 }  // namespace content
     74 
     75 #endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_ACCESSIBILITY_CONTROLLER_H_
     76