blob: 8b057b2e0833a7c47c5eae793a714e381be7e0f5 [file] [log] [blame]
// Copyright 2013 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.
#include <Windows.h>
#include "base/memory/scoped_ptr.h"
namespace metro_driver {
class InputSourceObserver;
// An interface through which information about the input source can be
// retrieved, where an input source represents an IME or a keyboard layout.
class InputSource {
virtual ~InputSource() {}
// Create an instance. Returns NULL if fails.
static scoped_ptr<InputSource> Create();
// Returns true if |langid| and |is_ime| are filled based on the current
// active input source.
virtual bool GetActiveSource(LANGID* langid, bool* is_ime) = 0;
// Adds/Removes an observer to receive notifications when the active input
// source is changed.
virtual void AddObserver(InputSourceObserver* observer) = 0;
virtual void RemoveObserver(InputSourceObserver* observer) = 0;
} // namespace metro_driver