| // Copyright 2017 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_DOM_TRACK_DEFAULT_LIST_H_ |
| #define COBALT_DOM_TRACK_DEFAULT_LIST_H_ |
| |
| #include <set> |
| #include <string> |
| #include <utility> |
| |
| #include "base/compiler_specific.h" |
| #include "cobalt/dom/dom_exception.h" |
| #include "cobalt/dom/track_default.h" |
| #include "cobalt/script/exception_state.h" |
| #include "cobalt/script/sequence.h" |
| #include "cobalt/script/wrappable.h" |
| |
| namespace cobalt { |
| namespace dom { |
| |
| // The TrackDefaultList is a simple container object for TrackDefault objects. |
| // https://www.w3.org/TR/2016/CR-media-source-20160705/#trackdefaultlist |
| class TrackDefaultList : public script::Wrappable { |
| public: |
| // Web API: TrackDefaultList |
| // |
| explicit TrackDefaultList(script::ExceptionState* exception_state) { |
| UNREFERENCED_PARAMETER(exception_state); |
| } |
| TrackDefaultList( |
| const script::Sequence<scoped_refptr<TrackDefault> >& track_defaults, |
| script::ExceptionState* exception_state) { |
| // |track_defaults| shouldn't contain two or more TrackDefault objects with |
| // the same |type| and the same |byte_stream_track_id|. |
| typedef std::pair<TrackDefault::TrackDefaultType, std::string> TypeAndId; |
| std::set<TypeAndId> type_and_ids; |
| for (script::Sequence<scoped_refptr<TrackDefault> >::size_type i = 0; |
| i < track_defaults.size(); ++i) { |
| scoped_refptr<TrackDefault> track_default = track_defaults.at(i); |
| TypeAndId type_and_id(track_default->type(), |
| track_default->byte_stream_track_id()); |
| if (!type_and_ids.insert(type_and_id).second) { |
| DOMException::Raise(DOMException::kInvalidAccessErr, exception_state); |
| return; |
| } |
| } |
| track_defaults_ = track_defaults; |
| } |
| |
| uint32 length() const { return static_cast<uint32>(track_defaults_.size()); } |
| scoped_refptr<TrackDefault> AnonymousIndexedGetter(uint32 index) const { |
| if (index < length()) { |
| return track_defaults_.at(index); |
| } |
| return NULL; |
| } |
| |
| DEFINE_WRAPPABLE_TYPE(TrackDefaultList); |
| |
| private: |
| script::Sequence<scoped_refptr<TrackDefault> > track_defaults_; |
| }; |
| |
| } // namespace dom |
| } // namespace cobalt |
| |
| #endif // COBALT_DOM_TRACK_DEFAULT_LIST_H_ |