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/*
* Copyright (C) 2014 Igalia S.L.
* Copyright (C) 2017 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 THE COPYRIGHT HOLDER “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 HOLDER 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
#include "RenderSelectionInfo.h"
#if ENABLE(SERVICE_CONTROLS)
#include "SelectionRectGatherer.h"
#endif
namespace WebCore {
struct OldSelectionData;
class HighlightData {
public:
HighlightData(RenderView&);
class RenderRange {
public:
RenderRange() = default;
RenderRange(RenderObject* start, RenderObject* end, unsigned startOffset, unsigned endOffset)
: m_start(makeWeakPtr(start))
, m_end(makeWeakPtr(end))
, m_startOffset(startOffset)
, m_endOffset(endOffset)
{
}
RenderObject* start() const { return m_start.get(); }
RenderObject* end() const { return m_end.get(); }
Optional<unsigned> startOffset() const { return m_startOffset; }
Optional<unsigned> endOffset() const { return m_endOffset; }
bool operator==(const RenderRange& other) const
{
return m_start == other.m_start && m_end == other.m_end && m_startOffset == other.m_startOffset && m_endOffset == other.m_endOffset;
}
private:
WeakPtr<RenderObject> m_start;
WeakPtr<RenderObject> m_end;
Optional<unsigned> m_startOffset;
Optional<unsigned> m_endOffset;
};
void setRenderRange(const RenderRange&);
enum class RepaintMode { NewXOROld, NewMinusOld, Nothing };
void setSelection(const RenderRange&, RepaintMode = RepaintMode::NewXOROld);
const RenderRange& get() const { return m_renderRange; }
RenderObject* start() const { return m_renderRange.start(); }
RenderObject* end() const { return m_renderRange.end(); }
unsigned startOffset() const { ASSERT(m_renderRange.startOffset()); return m_renderRange.startOffset().valueOr(0); }
unsigned endOffset() const { ASSERT(m_renderRange.endOffset()); return m_renderRange.endOffset().valueOr(0); }
void clearSelection();
IntRect bounds() const { return collectBounds(ClipToVisibleContent::No); }
IntRect boundsClippedToVisibleContent() const { return collectBounds(ClipToVisibleContent::Yes); }
void repaint() const;
RenderObject::HighlightState highlightStateForRenderer(RenderObject&);
private:
enum class ClipToVisibleContent { Yes, No };
IntRect collectBounds(ClipToVisibleContent) const;
void applySelection(const RenderRange&, RepaintMode);
const RenderView& m_renderView;
#if ENABLE(SERVICE_CONTROLS)
SelectionRectGatherer m_selectionRectGatherer;
#endif
RenderRange m_renderRange;
bool m_selectionWasCaret { false };
};
} // namespace WebCore