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/*
* Copyright (C) 2012 Victor Carbune (victor@rosedu.org)
*
* 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 COMPUTER, 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 COMPUTER, 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.
*/
#ifndef RenderVTTCue_h
#define RenderVTTCue_h
#include "core/rendering/RenderBlockFlow.h"
#include "core/rendering/RenderInline.h"
#include "platform/geometry/FloatPoint.h"
#include "platform/heap/Handle.h"
namespace blink {
class VTTCue;
class VTTCueBox;
class RenderVTTCue final : public RenderBlockFlow {
public:
explicit RenderVTTCue(VTTCueBox*);
virtual void trace(Visitor*) override;
private:
virtual void layout() override;
bool isOutside() const;
bool isOverlapping() const;
bool shouldSwitchDirection(InlineFlowBox*, LayoutUnit) const;
void moveBoxesByStep(LayoutUnit);
bool switchDirection(bool&, LayoutUnit&);
bool findFirstLineBox(InlineFlowBox*&);
bool initializeLayoutParameters(InlineFlowBox*, LayoutUnit&, LayoutUnit&);
void placeBoxInDefaultPosition(LayoutUnit, bool&);
void repositionCueSnapToLinesSet();
void repositionCueSnapToLinesNotSet();
RawPtrWillBeMember<VTTCue> m_cue;
FloatPoint m_fallbackPosition;
};
} // namespace blink
#endif // RenderVTTCue_h
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