IME (input method editor) support for Aura, part 3 of 3: Use ui::InputMethod in ash.

ui/aura/desktop_host.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 UI_AURA_DESKTOP_HOST_H_
 #define UI_AURA_DESKTOP_HOST_H_
 #pragma once
 
 #include "base/message_loop.h"
 #include "ui/aura/cursor.h"
+#include "ui/base/ime/input_method_delegate.h"
 #include "ui/gfx/native_widget_types.h"
 
+namespace ui {
+class InputMethod;
+}
+
 namespace gfx {
 class Point;
 class Rect;
 class Size;
 }
 
 namespace aura {
 
 class Desktop;
 
 // DesktopHost bridges between a native window and the embedded Desktop. It
 // provides the accelerated widget and maps events from the native os to aura.
-class DesktopHost : public MessageLoop::Dispatcher {
+class DesktopHost : public MessageLoop::Dispatcher,
+                    public ui::internal::InputMethodDelegate {
  public:
   virtual ~DesktopHost() {}
 
   // Creates a new DesktopHost. The caller owns the returned value.
   static DesktopHost* Create(const gfx::Rect& bounds);
 
   // Returns the actual size of the screen.
   // (gfx::Screen only reports on the virtual desktop exposed by Aura.)
   static gfx::Size GetNativeScreenSize();
 
@@ skipping 21 matching lines @@
   virtual void SetCursor(gfx::NativeCursor cursor) = 0;
 
   // Queries the mouse's current position relative to the host window.
   // The position is constrained within the host window.
   // You should probably call Desktop::last_mouse_location() instead; this
   // method can be expensive.
   virtual gfx::Point QueryMouseLocation() = 0;
 
   // Posts |native_event| to the platform's event queue.
   virtual void PostNativeEvent(const base::NativeEvent& native_event) = 0;
+
+  // Sets the input method for the desktop. DesktopHost owns the input method.
+  // The function is only for unit tests.
+  virtual void SetInputMethod(ui::InputMethod* input_method) = 0;
+
+  // Gets the input method for the desktop.

[sky, 2011/12/01 17:01:09]

Document ownership.

[Yusuke Sato, 2011/12/02 02:18:31]

Done.

+  virtual ui::InputMethod* GetInputMethod() const = 0;
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_DESKTOP_HOST_H_