/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim:set ts=2 sw=2 et tw=78: */ /* 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/. */ #include "mozilla/dom/HTMLMediaElement.h" #include "mozilla/dom/VideoStreamTrack.h" #include "mozilla/dom/VideoTrack.h" #include "mozilla/dom/VideoTrackBinding.h" #include "mozilla/dom/VideoTrackList.h" namespace mozilla { namespace dom { VideoTrack::VideoTrack(const nsAString& aId, const nsAString& aKind, const nsAString& aLabel, const nsAString& aLanguage, VideoStreamTrack* aStreamTarck) : MediaTrack(aId, aKind, aLabel, aLanguage) , mSelected(false) , mVideoStreamTrack(aStreamTarck) { } VideoTrack::~VideoTrack() { } NS_IMPL_CYCLE_COLLECTION_INHERITED(VideoTrack, MediaTrack, mVideoStreamTrack) NS_IMPL_ADDREF_INHERITED(VideoTrack, MediaTrack) NS_IMPL_RELEASE_INHERITED(VideoTrack, MediaTrack) NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(VideoTrack) NS_INTERFACE_MAP_END_INHERITING(MediaTrack) JSObject* VideoTrack::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) { return VideoTrackBinding::Wrap(aCx, this, aGivenProto); } void VideoTrack::SetSelected(bool aSelected) { SetEnabledInternal(aSelected, MediaTrack::DEFAULT); } void VideoTrack::SetEnabledInternal(bool aEnabled, int aFlags) { if (aEnabled == mSelected) { return; } mSelected = aEnabled; // If this VideoTrack is no longer in its original VideoTrackList, then // whether it is selected or not has no effect on its original list. if (!mList) { return; } VideoTrackList& list = static_cast<VideoTrackList&>(*mList); if (mSelected) { uint32_t curIndex = 0; // Unselect all video tracks except the current one. for (uint32_t i = 0; i < list.Length(); ++i) { if (list[i] == this) { curIndex = i; continue; } VideoTrack* track = list[i]; track->SetSelected(false); } // Set the index of selected video track to the current's index. list.mSelectedIndex = curIndex; HTMLMediaElement* element = mList->GetMediaElement(); if (element) { element->NotifyMediaTrackEnabled(this); } } else { list.mSelectedIndex = -1; HTMLMediaElement* element = mList->GetMediaElement(); if (element) { element->NotifyMediaTrackDisabled(this); } } // Fire the change event at selection changes on this video track, shall // propose a spec change later. if (!(aFlags & MediaTrack::FIRE_NO_EVENTS)) { list.CreateAndDispatchChangeEvent(); } } } // namespace dom } //namespace mozilla