gecko-dev/dom/ipc/AudioParent.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set sw=4 ts=8 et tw=80 : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Audio IPC
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Doug Turner <dougt@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef mozilla_dom_AudioParent_h
#define mozilla_dom_AudioParent_h
#include "mozilla/dom/PAudioParent.h"
#include "nsAudioStream.h"
#include "nsITimer.h"
namespace mozilla {
namespace dom {
class AudioParent : public PAudioParent, public nsITimerCallback
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSITIMERCALLBACK
virtual bool
RecvWrite(const nsCString& data, const PRUint32& count);
virtual bool
RecvSetVolume(const float& aVolume);
virtual bool
RecvMinWriteSize();
virtual bool
RecvDrain();
virtual bool
RecvPause();
virtual bool
RecvResume();
virtual bool
RecvShutdown();
virtual bool
SendMinWriteSizeDone(PRInt32 minFrames);
virtual bool
SendDrainDone();
AudioParent(PRInt32 aNumChannels, PRInt32 aRate, PRInt32 aFormat);
virtual ~AudioParent();
virtual void ActorDestroy(ActorDestroyReason);
nsRefPtr<nsAudioStream> mStream;
nsCOMPtr<nsITimer> mTimer;
private:
void Shutdown();
bool mIPCOpen;
};
} // namespace dom
} // namespace mozilla
#endif