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