gecko/content/media/webaudio/AudioParam.h
Ehsan Akhgari b2bde00794 Backed out 3 changesets (bug 836076) becasue bug 804387 is getting backed out
Backed out changeset d567b1bb34ad (bug 836076)
Backed out changeset 51f7c9e31f9a (bug 836076)
Backed out changeset 901c735274bc (bug 836076)

--HG--
rename : content/media/AudioEventTimeline.h => content/media/webaudio/AudioEventTimeline.h
2013-02-05 01:28:38 -05:00

88 lines
2.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef AudioParam_h_
#define AudioParam_h_
#include "AudioEventTimeline.h"
#include "nsWrapperCache.h"
#include "nsCycleCollectionParticipant.h"
#include "nsCOMPtr.h"
#include "EnableWebAudioCheck.h"
#include "nsAutoPtr.h"
#include "AudioContext.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/Util.h"
struct JSContext;
class nsIDOMWindow;
namespace mozilla {
class ErrorResult;
namespace dom {
typedef AudioEventTimeline<ErrorResult> AudioParamTimeline;
class AudioParam MOZ_FINAL : public nsWrapperCache,
public EnableWebAudioCheck,
public AudioParamTimeline
{
public:
AudioParam(AudioContext* aContext,
float aDefaultValue,
float aMinValue,
float aMaxValue);
virtual ~AudioParam();
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(AudioParam)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(AudioParam)
AudioContext* GetParentObject() const
{
return mContext;
}
virtual JSObject* WrapObject(JSContext* aCx, JSObject* aScope,
bool* aTriedToWrap);
// We override SetValueCurveAtTime to convert the Float32Array to the wrapper
// object.
void SetValueCurveAtTime(JSContext* cx, const Float32Array& aValues, double aStartTime, double aDuration, ErrorResult& aRv)
{
AudioParamTimeline::SetValueCurveAtTime(aValues.Data(), aValues.Length(),
aStartTime, aDuration, aRv);
}
float MinValue() const
{
return mMinValue;
}
float MaxValue() const
{
return mMaxValue;
}
float DefaultValue() const
{
return mDefaultValue;
}
private:
nsRefPtr<AudioContext> mContext;
const float mDefaultValue;
const float mMinValue;
const float mMaxValue;
};
}
}
#endif