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/*
* 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 ResponseReceived(Resource*,
const ResourceResponse&,
std::unique_ptr<WebDataConsumerHandle>) override;
bool RedirectReceived(Resource*,
const ResourceRequest&,
const ResourceResponse&) override;
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
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