| /* |
| * Copyright (C) 2011 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_TEXT_TRACK_LOADER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_TEXT_TRACK_LOADER_H_ |
| |
| #include "third_party/blink/renderer/core/html/track/vtt/vtt_parser.h" |
| #include "third_party/blink/renderer/platform/cross_origin_attribute_value.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/raw_resource.h" |
| |
| namespace blink { |
| |
| class Document; |
| class TextTrackLoader; |
| |
| class TextTrackLoaderClient : public GarbageCollectedMixin { |
| public: |
| virtual ~TextTrackLoaderClient() = default; |
| |
| virtual void NewCuesAvailable(TextTrackLoader*) = 0; |
| virtual void CueLoadingCompleted(TextTrackLoader*, bool loading_failed) = 0; |
| }; |
| |
| class TextTrackLoader final : public GarbageCollectedFinalized<TextTrackLoader>, |
| public RawResourceClient, |
| private VTTParserClient { |
| USING_GARBAGE_COLLECTED_MIXIN(TextTrackLoader); |
| |
| public: |
| static TextTrackLoader* Create(TextTrackLoaderClient& client, |
| Document& document) { |
| return new TextTrackLoader(client, document); |
| } |
| ~TextTrackLoader() override; |
| |
| bool Load(const KURL&, CrossOriginAttributeValue); |
| void CancelLoad(); |
| |
| enum State { kLoading, kFinished, kFailed }; |
| State LoadState() { return state_; } |
| |
| void GetNewCues(HeapVector<Member<TextTrackCue>>& output_cues); |
| |
| void Trace(blink::Visitor*) override; |
| |
| private: |
| // RawResourceClient |
| void DataReceived(Resource*, const char* data, size_t length) override; |
| void NotifyFinished(Resource*) override; |
| String DebugName() const override { return "TextTrackLoader"; } |
| |
| // VTTParserClient |
| void NewCuesParsed() override; |
| void FileFailedToParse() override; |
| |
| TextTrackLoader(TextTrackLoaderClient&, Document&); |
| |
| void CueLoadTimerFired(TimerBase*); |
| void CorsPolicyPreventedLoad(const SecurityOrigin*, const KURL&); |
| |
| Document& GetDocument() const { return *document_; } |
| |
| Member<TextTrackLoaderClient> client_; |
| Member<VTTParser> cue_parser_; |
| // FIXME: Remove this pointer and get the Document from m_client. |
| Member<Document> document_; |
| TaskRunnerTimer<TextTrackLoader> cue_load_timer_; |
| State state_; |
| bool new_cues_available_; |
| }; |
| |
| } // namespace blink |
| |
| #endif |