xref: /external/chromium_org/third_party/WebKit/Source/core/rendering/svg/SVGInlineFlowBox.cpp

/*
 * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
 * Copyright (C) 2006 Apple Computer Inc.
 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "config.h"
#include "core/rendering/svg/SVGInlineFlowBox.h"

#include "core/rendering/svg/RenderSVGInlineText.h"
#include "core/rendering/svg/SVGInlineTextBox.h"
#include "core/rendering/svg/SVGRenderingContext.h"

namespace blink {

void SVGInlineFlowBox::paintSelectionBackground(PaintInfo& paintInfo)
{
    ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);

    PaintInfo childPaintInfo(paintInfo);
    for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) {
        if (child->isSVGInlineTextBox())
            toSVGInlineTextBox(child)->paintSelectionBackground(childPaintInfo);
        else if (child->isSVGInlineFlowBox())
            toSVGInlineFlowBox(child)->paintSelectionBackground(childPaintInfo);
    }
}

void SVGInlineFlowBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit, LayoutUnit)
{
    ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);

    GraphicsContextStateSaver stateSaver(*paintInfo.context);
    SVGRenderingContext renderingContext(&renderer(), paintInfo);
    if (renderingContext.isRenderingPrepared()) {
        for (InlineBox* child = firstChild(); child; child = child->nextOnLine())
            child->paint(paintInfo, paintOffset, 0, 0);
    }
}

FloatRect SVGInlineFlowBox::calculateBoundaries() const
{
    FloatRect childRect;
    for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) {
        if (!child->isSVGInlineTextBox() && !child->isSVGInlineFlowBox())
            continue;
        childRect.unite(child->calculateBoundaries());
    }
    return childRect;
}

} // namespace blink