mirror of
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92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "AudioContext.h"
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#include "nsContentUtils.h"
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#include "nsIDOMWindow.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/AudioContextBinding.h"
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#include "AudioDestinationNode.h"
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#include "AudioBufferSourceNode.h"
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#include "AudioBuffer.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_CLASS(AudioContext)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_NATIVE(AudioContext)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mWindow)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mDestination)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER_NATIVE
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NATIVE_BEGIN(AudioContext)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mWindow)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mDestination)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_NATIVE_BEGIN(AudioContext)
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NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(AudioContext, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(AudioContext, Release)
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AudioContext::AudioContext(nsIDOMWindow* aWindow)
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: mWindow(aWindow)
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, mDestination(new AudioDestinationNode(this))
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{
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SetIsDOMBinding();
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}
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AudioContext::~AudioContext()
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{
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}
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JSObject*
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AudioContext::WrapObject(JSContext* aCx, JSObject* aScope,
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bool* aTriedToWrap)
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{
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return mozAudioContextBinding::Wrap(aCx, aScope, this, aTriedToWrap);
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}
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/* static */ already_AddRefed<AudioContext>
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AudioContext::Constructor(nsISupports* aGlobal, ErrorResult& aRv)
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{
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nsCOMPtr<nsIDOMWindow> window = do_QueryInterface(aGlobal);
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if (!window) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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AudioContext* object = new AudioContext(window);
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NS_ADDREF(object);
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return object;
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}
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already_AddRefed<AudioBufferSourceNode>
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AudioContext::CreateBufferSource()
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{
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nsRefPtr<AudioBufferSourceNode> bufferNode =
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new AudioBufferSourceNode(this);
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return bufferNode.forget();
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}
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already_AddRefed<AudioBuffer>
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AudioContext::CreateBuffer(JSContext* aJSContext, uint32_t aNumberOfChannels,
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uint32_t aLength, float aSampleRate,
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ErrorResult& aRv)
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{
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nsRefPtr<AudioBuffer> buffer = new AudioBuffer(this, aLength, aSampleRate);
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if (!buffer->InitializeBuffers(aNumberOfChannels, aJSContext)) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return nullptr;
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}
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return buffer.forget();
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}
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}
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}
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