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// 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 ASH_WM_EVENT_REWRITER_EVENT_FILTER_
#define ASH_WM_EVENT_REWRITER_EVENT_FILTER_
#include "ash/ash_export.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "ui/base/events/event_handler.h"
namespace ash {
class EventRewriterDelegate;
#if defined(OS_CHROMEOS)
class StickyKeys;
#endif // OS_CHROMEOS
namespace internal {
// An event filter that rewrites or drops an event.
class ASH_EXPORT EventRewriterEventFilter : public ui::EventHandler {
public:
EventRewriterEventFilter();
virtual ~EventRewriterEventFilter();
void SetEventRewriterDelegate(scoped_ptr<EventRewriterDelegate> delegate);
// Enables or disables sticky keys.
void EnableStickyKeys(bool enabled);
private:
// Overridden from ui::EventHandler:
virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
scoped_ptr<EventRewriterDelegate> delegate_;
#if defined(OS_CHROMEOS)
scoped_ptr<StickyKeys> sticky_keys_;
#endif // OS_CHROMEOS
DISALLOW_COPY_AND_ASSIGN(EventRewriterEventFilter);
};
} // namespace internal
} // namespace ash
#endif // ASH_WM_EVENT_REWRITER_EVENT_FILTER_
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