The Tor Browser: content/media/webaudio/ScriptProcessorNode.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim:set ts=2 sw=2 sts=2 et cindent: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef ScriptProcessorNode_h_

     8 #define ScriptProcessorNode_h_

    10 #include "AudioNode.h"

    11 #include "nsAutoPtr.h"

    13 namespace mozilla {

    14 namespace dom {

    16 class AudioContext;

    17 class SharedBuffers;

    19 class ScriptProcessorNode : public AudioNode

    20 {

    21 public:

    22   ScriptProcessorNode(AudioContext* aContext,

    23                       uint32_t aBufferSize,

    24                       uint32_t aNumberOfInputChannels,

    25                       uint32_t aNumberOfOutputChannels);

    26   virtual ~ScriptProcessorNode();

    28   NS_DECL_ISUPPORTS_INHERITED

    30   IMPL_EVENT_HANDLER(audioprocess)

    32   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;

    34   virtual void Connect(AudioNode& aDestination, uint32_t aOutput,

    35                        uint32_t aInput, ErrorResult& aRv) MOZ_OVERRIDE

    36   {

    37     AudioNode::Connect(aDestination, aOutput, aInput, aRv);

    38     if (!aRv.Failed()) {

    39       MarkActive();

    40     }

    41   }

    43   virtual void Connect(AudioParam& aDestination, uint32_t aOutput,

    44                        ErrorResult& aRv) MOZ_OVERRIDE

    45   {

    46     AudioNode::Connect(aDestination, aOutput, aRv);

    47     if (!aRv.Failed()) {

    48       MarkActive();

    49     }

    50   }

    52   virtual void Disconnect(uint32_t aOutput, ErrorResult& aRv) MOZ_OVERRIDE

    53   {

    54     AudioNode::Disconnect(aOutput, aRv);

    55     if (!aRv.Failed() && OutputNodes().IsEmpty() && OutputParams().IsEmpty()) {

    56       MarkInactive();

    57     }

    58   }

    60   virtual void SetChannelCount(uint32_t aChannelCount, ErrorResult& aRv) MOZ_OVERRIDE

    61   {

    62     if (aChannelCount != ChannelCount()) {

    63       aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);

    64     }

    65     return;

    66   }

    67   virtual void SetChannelCountModeValue(ChannelCountMode aMode, ErrorResult& aRv) MOZ_OVERRIDE

    68   {

    69     if (aMode != ChannelCountMode::Explicit) {

    70       aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);

    71     }

    72     return;

    73   }

    75   uint32_t BufferSize() const

    76   {

    77     return mBufferSize;

    78   }

    80   SharedBuffers* GetSharedBuffers() const

    81   {

    82     return mSharedBuffers;

    83   }

    85   uint32_t NumberOfOutputChannels() const

    86   {

    87     return mNumberOfOutputChannels;

    88   }

    90   using DOMEventTargetHelper::DispatchTrustedEvent;

    92   virtual const char* NodeType() const

    93   {

    94     return "ScriptProcessorNode";

    95   }

    97   virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;

    98   virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;

   100 private:

   101   nsAutoPtr<SharedBuffers> mSharedBuffers;

   102   const uint32_t mBufferSize;

   103   const uint32_t mNumberOfOutputChannels;

   104 };

   106 }

   107 }

   109 #endif

The Tor Browser / file revision