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// 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.
#ifndef CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_STUB_BRAILLE_CONTROLLER_H_
#define CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_STUB_BRAILLE_CONTROLLER_H_
#include "base/memory/singleton.h"
#include "chrome/browser/extensions/api/braille_display_private/braille_controller.h"
namespace extensions {
namespace api {
namespace braille_display_private {
// Stub implementation for the BrailleController interface.
class StubBrailleController : public BrailleController {
public:
StubBrailleController();
scoped_ptr<DisplayState> GetDisplayState() override;
void WriteDots(const std::vector<char>& cells) override;
void AddObserver(BrailleObserver* observer) override;
void RemoveObserver(BrailleObserver* observer) override;
static StubBrailleController* GetInstance();
private:
friend struct base::DefaultSingletonTraits<StubBrailleController>;
};
} // namespace braille_display_private
} // namespace api
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_STUB_BRAILLE_CONTROLLER_H_
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