Replace PeekMessage for TSF awareness

base/win/text_services_bridge.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 BASE_WIN_TEXT_SERVICES_BRIDGE_H_
+#define BASE_WIN_TEXT_SERVICES_BRIDGE_H_
+
+#include <msctf.h>
+#include <Windows.h>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/win/metro.h"
+#include "base/win/scoped_com_initializer.h"
+#include "base/win/scoped_comptr.h"
+#include "base/message_pump_win.h"
+
+namespace base {
+namespace win {
+
+class TextServicesBridge : public base::MessagePumpForUI::MessageFilter {
+ public:
+  TextServicesBridge();
+  virtual ~TextServicesBridge();
+  virtual bool Init() OVERRIDE;
+  // Wraps for ITfMessagePump::PeekMessage with win32 PeekMessage signature.
+  // Obtains messages from application message queue.

[rvargas (doing something else), 2012/08/21 19:45:37]

These comments belong to the cc file. This is just the implementation of an
interface, and the interface is documented somewhere else.

[yoichio, 2012/08/22 08:06:50]

Done.

+  virtual BOOL DoPeekMessage(MSG* msg,
+                             HWND hwnd,
+                             UINT msg_filter_min,
+                             UINT msg_filter_max,
+                             UINT remove_msg) OVERRIDE;
+  // Sends msg to Text Service Manager.
+  // The msg will be used to input composition text.
+  // Returns true if|msg| was consumed by text service manager.
+  virtual bool ProcessMessage(const MSG& message) OVERRIDE;
+
+ private:
+  TfClientId client_id_;
+  bool is_initialized_;
+  base::win::ScopedCOMInitializer scoped_com_initialiser_;
+  base::win::ScopedComPtr<ITfThreadMgr> thread_mgr_;
+  base::win::ScopedComPtr<ITfMessagePump> message_pump_;
+  base::win::ScopedComPtr<ITfKeystrokeMgr> keystroke_mgr_;
+
+  DISALLOW_COPY_AND_ASSIGN(TextServicesBridge);
+};
+
+}  // namespace win
+}  // namespace base
+
+#endif  // BASE_WIN_TEXT_SERVICES_BRIDGE_H_