components/test_runner/accessibility_controller.h

   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 COMPONENTS_TEST_RUNNER_ACCESSIBILITY_CONTROLLER_H_
   6 #define COMPONENTS_TEST_RUNNER_ACCESSIBILITY_CONTROLLER_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/weak_ptr.h"
  11 #include "components/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 test_runner {
  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::Local<v8::Function> callback);
  47   void UnsetNotificationListener();
  48   v8::Local<v8::Object> FocusedElement();
  49   v8::Local<v8::Object> RootElement();
  50   v8::Local<v8::Object> AccessibleElementById(const std::string& id);
  51
  52   v8::Local<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 test_runner
  74
  75 #endif  // COMPONENTS_TEST_RUNNER_ACCESSIBILITY_CONTROLLER_H_