RWHI should implement BrowserAccessibilityDelegate

content/browser/renderer_host/render_widget_host_impl.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <deque>
 #include <list>
 #include <map>
 #include <queue>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/process/kill.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "build/build_config.h"
 #include "cc/resources/shared_bitmap.h"
+#include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/renderer_host/input/input_ack_handler.h"
 #include "content/browser/renderer_host/input/input_router_client.h"
 #include "content/browser/renderer_host/input/synthetic_gesture.h"
 #include "content/browser/renderer_host/input/touch_emulator_client.h"
 #include "content/common/input/synthetic_gesture_packet.h"
 #include "content/common/view_message_enums.h"
 #include "content/port/browser/event_with_latency_info.h"
 #include "content/port/common/input_event_ack_state.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/common/page_zoom.h"
@@ skipping 47 matching lines @@
 class RenderWidgetHostDelegate;
 class RenderWidgetHostViewPort;
 class SyntheticGestureController;
 class TimeoutMonitor;
 class TouchEmulator;
 class WebCursor;
 struct EditCommand;
 
 // This implements the RenderWidgetHost interface that is exposed to
 // embedders of content, and adds things only visible to content.
-class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
-                                            public InputRouterClient,
-                                            public InputAckHandler,
-                                            public TouchEmulatorClient,
-                                            public IPC::Listener {
+class CONTENT_EXPORT RenderWidgetHostImpl
+    : virtual public RenderWidgetHost,
+      public InputRouterClient,
+      public InputAckHandler,
+      public TouchEmulatorClient,
+      public IPC::Listener,
+      public BrowserAccessibilityDelegate {
  public:
   // routing_id can be MSG_ROUTING_NONE, in which case the next available
   // routing id is taken from the RenderProcessHost.
   // If this object outlives |delegate|, DetachDelegate() must be called when
   // |delegate| goes away.
   RenderWidgetHostImpl(RenderWidgetHostDelegate* delegate,
                        RenderProcessHost* process,
                        int routing_id,
                        bool hidden);
   virtual ~RenderWidgetHostImpl();
@@ skipping 57 matching lines @@
   virtual void RemoveKeyPressEventCallback(
       const KeyPressEventCallback& callback) OVERRIDE;
   virtual void AddMouseEventCallback(
       const MouseEventCallback& callback) OVERRIDE;
   virtual void RemoveMouseEventCallback(
       const MouseEventCallback& callback) OVERRIDE;
   virtual void GetWebScreenInfo(blink::WebScreenInfo* result) OVERRIDE;
 
   virtual SkBitmap::Config PreferredReadbackFormat() OVERRIDE;
 
-  virtual void AccessibilityDoDefaultAction(int object_id) OVERRIDE;
-  virtual void AccessibilitySetFocus(int object_id) OVERRIDE;
+  // BrowserAccessibilityDelegate
+  virtual void AccessibilitySetFocus(int acc_obj_id) OVERRIDE;
+  virtual void AccessibilityDoDefaultAction(int acc_obj_id) OVERRIDE;
+  virtual void AccessibilityShowMenu(int acc_obj_id) OVERRIDE;
   virtual void AccessibilityScrollToMakeVisible(
       int acc_obj_id, gfx::Rect subfocus) OVERRIDE;
   virtual void AccessibilityScrollToPoint(
       int acc_obj_id, gfx::Point point) OVERRIDE;
   virtual void AccessibilitySetTextSelection(
       int acc_obj_id, int start_offset, int end_offset) OVERRIDE;
+  virtual bool AccessibilityViewHasFocus() const OVERRIDE;
+  virtual gfx::Rect AccessibilityGetViewBounds() const OVERRIDE;
+  virtual gfx::Point AccessibilityOriginInScreen(const gfx::Rect& bounds)
+      const OVERRIDE;
+  virtual void AccessibilityFatalError() OVERRIDE;
 
   const NativeWebKeyboardEvent* GetLastKeyboardEvent() const;
 
   // Notification that the screen info has changed.
   void NotifyScreenInfoChanged();
 
   // Invalidates the cached screen info so that next resize request
   // will carry the up to date screen info. Unlike
   // |NotifyScreenInfoChanged|, this doesn't send a message to the renderer.
   void InvalidateScreenInfo();
@@ skipping 199 matching lines @@
   // Removes the given accessibility mode from the current accessibility mode
   // bitmap, managing the bits that are shared with other modes such that a
   // bit will only be turned off when all modes that depend on it have been
   // removed.
   void RemoveAccessibilityMode(AccessibilityMode mode);
 
   // Resets the accessibility mode to the default setting in
   // BrowserStateAccessibilityImpl.
   void ResetAccessibilityMode();
 
-  // Kill the renderer because we got a fatal accessibility error.
-  void FatalAccessibilityTreeError();
-
 #if defined(OS_WIN)
   void SetParentNativeViewAccessible(
       gfx::NativeViewAccessible accessible_parent);
   gfx::NativeViewAccessible GetParentNativeViewAccessible() const;
 #endif
 
   // Executes the edit command on the RenderView.
   void ExecuteEditCommand(const std::string& command,
                           const std::string& value);
 
@@ skipping 466 matching lines @@
 #endif
 
   int64 last_input_number_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_