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// Copyright (c) 2011 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_EXTENSION_SPEECH_INPUT_API_H_
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_SPEECH_INPUT_API_H_
#pragma once
#include "chrome/browser/extensions/extension_function.h"
#include "content/common/notification_service.h"
class ExtensionSpeechInputManager;
// Handles asynchronous operations such as starting or stopping speech
// recognition in the framework of the extension API state machine.
class SpeechInputAsyncFunction : public AsyncExtensionFunction,
public NotificationObserver {
protected:
SpeechInputAsyncFunction();
virtual void Run() OVERRIDE;
virtual bool RunImpl() = 0;
private:
// NotificationObserver.
virtual void Observe(int type,
const NotificationSource& source,
const NotificationDetails& details) OVERRIDE;
NotificationRegistrar registrar_;
};
// Implements experimental.speechInput.start.
class StartSpeechInputFunction : public SpeechInputAsyncFunction {
protected:
virtual bool RunImpl() OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.speechInput.start");
};
// Implements experimental.speechInput.stop.
class StopSpeechInputFunction : public SpeechInputAsyncFunction {
protected:
virtual bool RunImpl() OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.speechInput.stop");
};
// Implements experimental.speechInput.isRecording.
class IsRecordingSpeechInputFunction : public SyncIOThreadExtensionFunction {
protected:
virtual bool RunImpl() OVERRIDE;
DECLARE_EXTENSION_FUNCTION_NAME("experimental.speechInput.isRecording");
};
#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_SPEECH_INPUT_API_H_
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