99 lines
3.8 KiB
C++
99 lines
3.8 KiB
C++
/*
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* Copyright (C) 2014 Cable Television Labs Inc. All rights reserved.
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* Copyright (C) 2014 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(VIDEO)
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#include "SerializedPlatformDataCue.h"
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#include "TextTrackCue.h"
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#include <wtf/MediaTime.h>
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#include <wtf/TypeCasts.h>
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namespace JSC {
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class ArrayBuffer;
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class JSValue;
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}
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namespace WebCore {
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class ScriptExecutionContext;
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class DataCue final : public TextTrackCue {
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WTF_MAKE_ISO_ALLOCATED(DataCue);
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public:
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static Ref<DataCue> create(Document&, double start, double end, ArrayBuffer& data);
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static Ref<DataCue> create(Document&, double start, double end, JSC::JSValue, const String& type);
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static Ref<DataCue> create(Document&, const MediaTime& start, const MediaTime& end, const void* data, unsigned length);
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static Ref<DataCue> create(Document&, const MediaTime& start, const MediaTime& end, Ref<SerializedPlatformDataCue>&&, const String& type);
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virtual ~DataCue();
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RefPtr<JSC::ArrayBuffer> data() const;
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void setData(JSC::ArrayBuffer&);
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const SerializedPlatformDataCue* platformValue() const { return m_platformValue.get(); }
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JSC::JSValue value(JSC::JSGlobalObject&) const;
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void setValue(JSC::JSGlobalObject&, JSC::JSValue);
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String type() const { return m_type; }
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void setType(const String& type) { m_type = type; }
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private:
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DataCue(Document&, const MediaTime& start, const MediaTime& end, ArrayBuffer&, const String&);
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DataCue(Document&, const MediaTime& start, const MediaTime& end, const void*, unsigned);
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DataCue(Document&, const MediaTime& start, const MediaTime& end, Ref<SerializedPlatformDataCue>&&, const String&);
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DataCue(Document&, const MediaTime& start, const MediaTime& end, JSC::JSValue, const String&);
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JSC::JSValue valueOrNull() const;
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CueType cueType() const final { return Data; }
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bool cueContentsMatch(const TextTrackCue&) const final;
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void toJSON(JSON::Object&) const final;
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RefPtr<ArrayBuffer> m_data;
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String m_type;
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RefPtr<SerializedPlatformDataCue> m_platformValue;
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// FIXME: The following use of JSC::Strong is incorrect and can lead to storage leaks
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// due to reference cycles; we should use JSValueInWrappedObject instead.
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// https://bugs.webkit.org/show_bug.cgi?id=201173
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JSC::Strong<JSC::Unknown> m_value;
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};
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} // namespace WebCore
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namespace WTF {
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template<> struct LogArgument<WebCore::DataCue> : LogArgument<WebCore::TextTrackCue> { };
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}
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SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::DataCue)
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static bool isType(const WebCore::TextTrackCue& cue) { return cue.cueType() == WebCore::TextTrackCue::Data; }
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SPECIALIZE_TYPE_TRAITS_END()
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#endif
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