diff options
Diffstat (limited to 'dom/media/TextTrackCueList.cpp')
-rw-r--r-- | dom/media/TextTrackCueList.cpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/dom/media/TextTrackCueList.cpp b/dom/media/TextTrackCueList.cpp new file mode 100644 index 000000000..3e67472d5 --- /dev/null +++ b/dom/media/TextTrackCueList.cpp @@ -0,0 +1,173 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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/TextTrackCueList.h" +#include "mozilla/dom/TextTrackCueListBinding.h" +#include "mozilla/dom/TextTrackCue.h" + +namespace mozilla { +namespace dom { + +class CompareCuesByTime +{ +public: + bool Equals(TextTrackCue* aOne, TextTrackCue* aTwo) const { + return false; + } + bool LessThan(TextTrackCue* aOne, TextTrackCue* aTwo) const { + return aOne->StartTime() < aTwo->StartTime() || + (aOne->StartTime() == aTwo->StartTime() && + aOne->EndTime() >= aTwo->EndTime()); + } +}; + +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(TextTrackCueList, mParent, mList) + +NS_IMPL_CYCLE_COLLECTING_ADDREF(TextTrackCueList) +NS_IMPL_CYCLE_COLLECTING_RELEASE(TextTrackCueList) +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TextTrackCueList) + NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY + NS_INTERFACE_MAP_ENTRY(nsISupports) +NS_INTERFACE_MAP_END + +TextTrackCueList::TextTrackCueList(nsISupports* aParent) : mParent(aParent) +{ +} + +TextTrackCueList::~TextTrackCueList() +{} + +JSObject* +TextTrackCueList::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) +{ + return TextTrackCueListBinding::Wrap(aCx, this, aGivenProto); +} + +TextTrackCue* +TextTrackCueList::IndexedGetter(uint32_t aIndex, bool& aFound) +{ + aFound = aIndex < mList.Length(); + if (!aFound) { + return nullptr; + } + return mList[aIndex]; +} + +TextTrackCue* +TextTrackCueList::operator[](uint32_t aIndex) +{ + return mList.SafeElementAt(aIndex, nullptr); +} + +TextTrackCueList& +TextTrackCueList::operator=(const TextTrackCueList& aOther) +{ + mList = aOther.mList; + return *this; +} + +TextTrackCue* +TextTrackCueList::GetCueById(const nsAString& aId) +{ + if (aId.IsEmpty()) { + return nullptr; + } + + for (uint32_t i = 0; i < mList.Length(); i++) { + if (aId.Equals(mList[i]->Id())) { + return mList[i]; + } + } + return nullptr; +} + +void +TextTrackCueList::AddCue(TextTrackCue& aCue) +{ + if (mList.Contains(&aCue)) { + return; + } + mList.InsertElementSorted(&aCue, CompareCuesByTime()); +} + +void +TextTrackCueList::RemoveCue(TextTrackCue& aCue, ErrorResult& aRv) +{ + if (!mList.Contains(&aCue)) { + aRv.Throw(NS_ERROR_DOM_NOT_FOUND_ERR); + return; + } + mList.RemoveElement(&aCue); +} + +void +TextTrackCueList::RemoveCue(TextTrackCue& aCue) +{ + mList.RemoveElement(&aCue); +} + +void +TextTrackCueList::RemoveCueAt(uint32_t aIndex) +{ + if (aIndex < mList.Length()) { + mList.RemoveElementAt(aIndex); + } +} + +void +TextTrackCueList::RemoveAll() +{ + mList.Clear(); +} + +void +TextTrackCueList::GetArray(nsTArray<RefPtr<TextTrackCue> >& aCues) +{ + aCues = nsTArray<RefPtr<TextTrackCue> >(mList); +} + + +void +TextTrackCueList::SetCuesInactive() +{ + for(uint32_t i = 0; i < mList.Length(); ++i) { + mList[i]->SetActive(false); + } +} + +already_AddRefed<TextTrackCueList> +TextTrackCueList::GetCueListByTimeInterval(media::Interval<double>& aInterval) +{ + RefPtr<TextTrackCueList> output = new TextTrackCueList(mParent); + for (uint32_t i = 0; i < mList.Length(); ++i) { + TextTrackCue* cue = mList[i]; + if (cue->StartTime() <= aInterval.mEnd && + aInterval.mStart <= cue->EndTime()) { + output->AddCue(*cue); + } + } + return output.forget(); +} + +void +TextTrackCueList::NotifyCueUpdated(TextTrackCue *aCue) +{ + if (aCue) { + mList.RemoveElement(aCue); + mList.InsertElementSorted(aCue, CompareCuesByTime()); + } +} + +bool +TextTrackCueList::IsCueExist(TextTrackCue *aCue) +{ + if (aCue && mList.Contains(aCue)) { + return true; + } + return false; +} + +} // namespace dom +} // namespace mozilla |