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/*
* Copyright (C) 2013 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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.
*/
#ifndef TextTrackRegion_h
#define TextTrackRegion_h
#if ENABLE(VIDEO_TRACK) && ENABLE(WEBVTT_REGIONS)
#include "FloatPoint.h"
#include "TextTrack.h"
#include <wtf/PassOwnPtr.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class TextTrackRegion : public RefCounted<TextTrackRegion> {
public:
static PassRefPtr<TextTrackRegion> create()
{
return adoptRef(new TextTrackRegion());
}
virtual ~TextTrackRegion();
TextTrack* track() const { return m_track; }
void setTrack(TextTrack*);
const String& id() const { return m_id; }
void setId(const String&);
double width() const { return m_width; }
void setWidth(double, ExceptionCode&);
long height() const { return m_heightInLines; }
void setHeight(long, ExceptionCode&);
double regionAnchorX() const { return m_regionAnchor.x(); }
void setRegionAnchorX(double, ExceptionCode&);
double regionAnchorY() const { return m_regionAnchor.y(); }
void setRegionAnchorY(double, ExceptionCode&);
double viewportAnchorX() const { return m_viewportAnchor.x(); }
void setViewportAnchorX(double, ExceptionCode&);
double viewportAnchorY() const { return m_viewportAnchor.y(); }
void setViewportAnchorY(double, ExceptionCode&);
const AtomicString scroll() const;
void setScroll(const AtomicString&, ExceptionCode&);
void updateParametersFromRegion(TextTrackRegion*);
const String& regionSettings() const { return m_settings; }
void setRegionSettings(const String&);
private:
TextTrackRegion();
enum RegionSetting {
None,
Id,
Width,
Height,
RegionAnchor,
ViewportAnchor,
Scroll
};
RegionSetting getSettingFromString(const String&);
void parseSettingValue(RegionSetting, const String&);
void parseSetting(const String&, unsigned*);
String m_id;
String m_settings;
double m_width;
unsigned m_heightInLines;
FloatPoint m_regionAnchor;
FloatPoint m_viewportAnchor;
bool m_scroll;
// The member variable track can be a raw pointer as it will never
// reference a destroyed TextTrack, as this member variable
// is cleared in the TextTrack destructor and it is generally
// set/reset within the addRegion and removeRegion methods.
TextTrack* m_track;
};
} // namespace WebCore
#endif
#endif
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