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/*
* Copyright (C) 2014 Cable Television Labs Inc. All rights reserved.
* Copyright (C) 2014 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. ``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
* 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.
*/
#pragma once
#if ENABLE(VIDEO)
#include "SerializedPlatformDataCue.h"
#include "TextTrackCue.h"
#include <JavaScriptCore/Strong.h>
#include <wtf/MediaTime.h>
#include <wtf/TypeCasts.h>
namespace JSC {
class ArrayBuffer;
class JSValue;
}
namespace WebCore {
class ScriptExecutionContext;
class DataCue final : public TextTrackCue {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(DataCue);
public:
static Ref<DataCue> create(Document&, double start, double end, ArrayBuffer& data);
static Ref<DataCue> create(Document&, double start, double end, JSC::JSValue, const String& type);
static Ref<DataCue> create(Document&, const MediaTime& start, const MediaTime& end, std::span<const uint8_t> data);
static Ref<DataCue> create(Document&, const MediaTime& start, const MediaTime& end, Ref<SerializedPlatformDataCue>&&, const String& type);
virtual ~DataCue();
RefPtr<JSC::ArrayBuffer> data() const;
void setData(JSC::ArrayBuffer&);
const SerializedPlatformDataCue* platformValue() const { return m_platformValue.get(); }
JSC::JSValue value(JSC::JSGlobalObject&) const;
void setValue(JSC::JSGlobalObject&, JSC::JSValue);
String type() const { return m_type; }
void setType(const String& type) { m_type = type; }
private:
DataCue(Document&, const MediaTime& start, const MediaTime& end, ArrayBuffer&, const String&);
DataCue(Document&, const MediaTime& start, const MediaTime& end, std::span<const uint8_t>);
DataCue(Document&, const MediaTime& start, const MediaTime& end, Ref<SerializedPlatformDataCue>&&, const String&);
DataCue(Document&, const MediaTime& start, const MediaTime& end, JSC::JSValue, const String&);
JSC::JSValue valueOrNull() const;
CueType cueType() const final { return Data; }
bool cueContentsMatch(const TextTrackCue&) const final;
void toJSON(JSON::Object&) const final;
RefPtr<ArrayBuffer> m_data;
String m_type;
RefPtr<SerializedPlatformDataCue> m_platformValue;
// FIXME: The following use of JSC::Strong is incorrect and can lead to storage leaks
// due to reference cycles; we should use JSValueInWrappedObject instead.
// https://bugs.webkit.org/show_bug.cgi?id=201173
JSC::Strong<JSC::Unknown> m_value;
};
} // namespace WebCore
namespace WTF {
template<> struct LogArgument<WebCore::DataCue> : LogArgument<WebCore::TextTrackCue> { };
}
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::DataCue)
static bool isType(const WebCore::TextTrackCue& cue) { return cue.cueType() == WebCore::TextTrackCue::Data; }
SPECIALIZE_TYPE_TRAITS_END()
#endif
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