third_party/WebKit/Source/core/paint/BlockPainter.h

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BlockPainter_h
#define BlockPainter_h

#include "wtf/Allocator.h"

namespace blink {

struct PaintInfo;
class InlineBox;
class LayoutBlock;
class LayoutBox;
class LayoutFlexibleBox;
class LayoutObject;
class LayoutPoint;
class LayoutRect;

class BlockPainter {
    STACK_ALLOCATED();
public:
    BlockPainter(const LayoutBlock& block) : m_layoutBlock(block) { }

    void paint(const PaintInfo&, const LayoutPoint& paintOffset);
    void paintObject(const PaintInfo&, const LayoutPoint&);
    void paintContents(const PaintInfo&, const LayoutPoint&);
    void paintChildren(const PaintInfo&, const LayoutPoint&);
    void paintChild(const LayoutBox&, const PaintInfo&, const LayoutPoint&);
    void paintOverflowControlsIfNeeded(const PaintInfo&, const LayoutPoint&);

    // See ObjectPainter::paintAllPhasesAtomically().
    void paintAllChildPhasesAtomically(const LayoutBox&, const PaintInfo&, const LayoutPoint&);
    static void paintChildrenOfFlexibleBox(const LayoutFlexibleBox&, const PaintInfo&, const LayoutPoint& paintOffset);
    static void paintInlineBox(const InlineBox&, const PaintInfo&, const LayoutPoint& paintOffset);

    // The adjustedPaintOffset should include the location (offset) of the object itself.
    bool intersectsPaintRect(const PaintInfo&, const LayoutPoint& adjustedPaintOffset) const;

private:
    void paintCarets(const PaintInfo&, const LayoutPoint&);

    const LayoutBlock& m_layoutBlock;
};

} // namespace blink

#endif // BlockPainter_h