New InputMethod api for Views.

views/view.h

 // Copyright (c) 2011 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 VIEWS_VIEW_H_
 #define VIEWS_VIEW_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 34 matching lines @@
 #if defined(OS_WIN)
 class NativeViewAccessibilityWin;
 #endif
 
 namespace views {
 
 class Background;
 class Border;
 class FocusManager;
 class FocusTraversable;
+class InputMethod;
 class LayoutManager;
 class RootView;
 class ScrollView;
+class TextInputClient;
 class Widget;
 class Window;
 
 // ContextMenuController is responsible for showing the context menu for a
 // View. To use a ContextMenuController invoke SetContextMenuController on a
 // View. When the appropriate user gesture occurs ShowContextMenu is invoked
 // on the ContextMenuController.
 //
 // Setting a ContextMenuController on a view makes the view process mouse
 // events.
@@ skipping 609 matching lines @@
   // chance.
   virtual bool OnKeyPressed(const KeyEvent& event);
   virtual bool OnKeyReleased(const KeyEvent& event);
 
   // Invoked when the user uses the mousewheel. Implementors should return true
   // if the event has been processed and false otherwise. This message is sent
   // if the view is focused. If the event has not been processed, the parent
   // will be given a chance.
   virtual bool OnMouseWheel(const MouseWheelEvent& event);
 
+  // Returns the View's TextInputClient instance or NULL if the View doesn't
+  // support text input.
+  virtual TextInputClient* GetTextInputClient();
+
+  // Convenience method to retrieve the InputMethod associated with the
+  // Widget that contains this view. Returns NULL if this view is not part of a
+  // view hierarchy with a Widget.
+  virtual InputMethod* GetInputMethod();
+
   // Accelerators --------------------------------------------------------------
 
   // Sets a keyboard accelerator for that view. When the user presses the
   // accelerator key combination, the AcceleratorPressed method is invoked.
   // Note that you can set multiple accelerators for a view by invoking this
   // method several times.
   virtual void AddAccelerator(const Accelerator& accelerator);
 
   // Removes the specified accelerator for this view.
   virtual void RemoveAccelerator(const Accelerator& accelerator);
@@ skipping 697 matching lines @@
   // The Windows-specific accessibility implementation for this View.
   scoped_refptr<NativeViewAccessibilityWin> native_view_accessibility_win_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(View);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_VIEW_H_