src/gui/base/win_util.h - mozc (280e38f)

win_util.h @280e38f — raw · history · blame

// Copyright 2010-2016, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef MOZC_GUI_BASE_WIN_UTIL_H_
#define MOZC_GUI_BASE_WIN_UTIL_H_

#include "base/port.h"

namespace mozc {
namespace gui {

class WinUtil {
 public:
  // Activate a visible window first found in the process specified by
  // |process_id|. The caller process must satisfy the condition
  // described in the following document.
  // http://msdn.microsoft.com/en-us/library/windows/desktop/ms633539.aspx
  static void ActivateWindow(uint32 process_id);

  // return true if IME hotkey is disabled.
  static bool GetIMEHotKeyDisabled();

  // If |disabled| true, disable IME hotkey (Ctrl+Shift).
  // return true if the operation finishes successfully.
  // This function actually edits the registry entry as follows:
  // - |disabled| is true:
  //    Set "3" (REG_SZ) to "Keyboard Layout\\Toggle\\Layout Hotkey".
  // - |disabled| is false:
  //  Remove "Keyboard Layout\\Toggle\\Layout Hotkey".
  //  It is OK to remove this value. After removing the entry,
  //  Default setting is used.
  static bool SetIMEHotKeyDisabled(bool disabled);

  // This method keeps JumpList to be up-to-date on Windows 7.
  // Does nothing on any other platform.
  static void KeepJumpListUpToDate();

 private:
  WinUtil() {}
  ~WinUtil() {}

  DISALLOW_COPY_AND_ASSIGN(WinUtil);
};
}  // namespace gui
}  // namespace mozc

#endif  // MOZC_GUI_BASE_WIN_UTIL_H_
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