The Tor Browser: media/webrtc/signaling/src/peerconnection/MediaStreamList.cpp@6474c204b198

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

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

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

     3  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #include "CSFLog.h"

     6 #include "base/basictypes.h"

     7 #include "MediaStreamList.h"

     8 #ifdef MOZILLA_INTERNAL_API

     9 #include "mozilla/dom/MediaStreamListBinding.h"

    10 #endif

    11 #include "nsIScriptGlobalObject.h"

    12 #include "PeerConnectionImpl.h"

    13 #include "PeerConnectionMedia.h"

    15 namespace mozilla {

    16 namespace dom {

    18 MediaStreamList::MediaStreamList(sipcc::PeerConnectionImpl* peerConnection,

    19                                  StreamType type)

    20   : mPeerConnection(peerConnection),

    21     mType(type)

    22 {

    23   SetIsDOMBinding();

    24 }

    26 MediaStreamList::~MediaStreamList()

    27 {

    28 }

    30 #ifdef MOZILLA_INTERNAL_API

    31 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(MediaStreamList)

    32 #else

    33 NS_IMPL_CYCLE_COLLECTION_CLASS(MediaStreamList)

    34 NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(MediaStreamList)

    35 NS_IMPL_CYCLE_COLLECTION_UNLINK_END

    36 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(MediaStreamList)

    37 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END

    38 NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(MediaStreamList)

    39 NS_IMPL_CYCLE_COLLECTION_TRACE_END

    40 #endif

    42 NS_IMPL_CYCLE_COLLECTING_ADDREF(MediaStreamList)

    43 NS_IMPL_CYCLE_COLLECTING_RELEASE(MediaStreamList)

    44 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MediaStreamList)

    45   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY

    46   NS_INTERFACE_MAP_ENTRY(nsISupports)

    47 NS_INTERFACE_MAP_END

    49 JSObject*

    50 MediaStreamList::WrapObject(JSContext* cx)

    51 {

    52 #ifdef MOZILLA_INTERNAL_API

    53   return MediaStreamListBinding::Wrap(cx, this);

    54 #else

    55   return nullptr;

    56 #endif

    57 }

    59 nsISupports*

    60 MediaStreamList::GetParentObject()

    61 {

    62   return mPeerConnection->GetWindow();

    63 }

    65 template<class T>

    66 static DOMMediaStream*

    67 GetStreamFromInfo(T* info, bool& found)

    68 {

    69   if (!info) {

    70     found = false;

    71     return nullptr;

    72   }

    74   found = true;

    75   return info->GetMediaStream();

    76 }

    78 DOMMediaStream*

    79 MediaStreamList::IndexedGetter(uint32_t index, bool& found)

    80 {

    81   if (!mPeerConnection->media()) { // PeerConnection closed

    82     found = false;

    83     return nullptr;

    84   }

    85   if (mType == Local) {

    86     return GetStreamFromInfo(mPeerConnection->media()->

    87       GetLocalStream(index), found);

    88   }

    90   return GetStreamFromInfo(mPeerConnection->media()->

    91     GetRemoteStream(index), found);

    92 }

    94 uint32_t

    95 MediaStreamList::Length()

    96 {

    97   if (!mPeerConnection->media()) { // PeerConnection closed

    98     return 0;

    99   }

   100   return mType == Local ? mPeerConnection->media()->LocalStreamsLength() :

   101       mPeerConnection->media()->RemoteStreamsLength();

   102 }

   104 } // namespace dom

   105 } // namespace mozilla

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