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/*
* Copyright (C) 2013 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. AND ITS 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 APPLE INC. OR ITS 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
#include "LayoutRect.h"
#include "RenderObject.h"
#include "VisiblePosition.h"
namespace WebCore {
class InlineTextBox;
class RenderStyle;
class RenderText;
class RenderTextLineBoxes {
public:
RenderTextLineBoxes();
InlineTextBox* first() const { return m_first; }
InlineTextBox* last() const { return m_last; }
InlineTextBox* createAndAppendLineBox(RenderText&);
void extract(InlineTextBox&);
void attach(InlineTextBox&);
void remove(InlineTextBox&);
void removeAllFromParent(RenderText&);
void deleteAll();
void dirtyAll();
bool dirtyRange(RenderText&, unsigned start, unsigned end, int lengthDelta);
InlineTextBox* findNext(int offset, int& position) const;
VisiblePosition positionForPoint(const RenderText&, const LayoutPoint&) const;
void setSelectionState(RenderText&, RenderObject::SelectionState);
LayoutRect selectionRectForRange(unsigned start, unsigned end);
void collectSelectionRectsForRange(unsigned start, unsigned end, Vector<LayoutRect>& rects);
LayoutRect visualOverflowBoundingBox(const RenderText&) const;
enum ClippingOption { NoClipping, ClipToEllipsis };
Vector<FloatQuad> absoluteQuads(const RenderText&, bool* wasFixed, ClippingOption) const;
Vector<FloatQuad> absoluteQuadsForRange(const RenderText&, unsigned start, unsigned end, bool useSelectionHeight, bool ignoreEmptyTextSelections, bool* wasFixed) const;
Vector<IntRect> absoluteRectsForRange(const RenderText&, unsigned start, unsigned end, bool useSelectionHeight, bool* wasFixed) const;
#if ASSERT_ENABLED
~RenderTextLineBoxes();
#endif
#if !ASSERT_WITH_SECURITY_IMPLICATION_DISABLED
void invalidateParentChildLists();
#endif
private:
void checkConsistency() const;
InlineTextBox* m_first;
InlineTextBox* m_last;
};
} // namespace WebCore