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      1 /*
      2  * Copyright (c) 2009, Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 
     33 #if ENABLE(SVG)
     34 #include "RenderSVGModelObject.h"
     35 
     36 #include "RenderSVGResource.h"
     37 #include "SVGStyledElement.h"
     38 
     39 namespace WebCore {
     40 
     41 RenderSVGModelObject::RenderSVGModelObject(SVGStyledElement* node)
     42     : RenderObject(node)
     43 {
     44 }
     45 
     46 IntRect RenderSVGModelObject::clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer)
     47 {
     48     return SVGRenderSupport::clippedOverflowRectForRepaint(this, repaintContainer);
     49 }
     50 
     51 void RenderSVGModelObject::computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& repaintRect, bool fixed)
     52 {
     53     SVGRenderSupport::computeRectForRepaint(this, repaintContainer, repaintRect, fixed);
     54 }
     55 
     56 void RenderSVGModelObject::mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool fixed , bool useTransforms, TransformState& transformState) const
     57 {
     58     SVGRenderSupport::mapLocalToContainer(this, repaintContainer, fixed, useTransforms, transformState);
     59 }
     60 
     61 // Copied from RenderBox, this method likely requires further refactoring to work easily for both SVG and CSS Box Model content.
     62 // FIXME: This may also need to move into SVGRenderSupport as the RenderBox version depends
     63 // on borderBoundingBox() which SVG RenderBox subclases (like SVGRenderBlock) do not implement.
     64 IntRect RenderSVGModelObject::outlineBoundsForRepaint(RenderBoxModelObject* repaintContainer, IntPoint*) const
     65 {
     66     IntRect box = enclosingIntRect(repaintRectInLocalCoordinates());
     67     adjustRectForOutlineAndShadow(box);
     68 
     69     FloatQuad containerRelativeQuad = localToContainerQuad(FloatRect(box), repaintContainer);
     70     return containerRelativeQuad.enclosingBoundingBox();
     71 }
     72 
     73 void RenderSVGModelObject::absoluteRects(Vector<IntRect>&, int, int)
     74 {
     75     // This code path should never be taken for SVG, as we're assuming useTransforms=true everywhere, absoluteQuads should be used.
     76     ASSERT_NOT_REACHED();
     77 }
     78 
     79 void RenderSVGModelObject::absoluteQuads(Vector<FloatQuad>& quads)
     80 {
     81     quads.append(localToAbsoluteQuad(strokeBoundingBox()));
     82 }
     83 
     84 void RenderSVGModelObject::destroy()
     85 {
     86     SVGResourcesCache::clientDestroyed(this);
     87     RenderObject::destroy();
     88 }
     89 
     90 void RenderSVGModelObject::styleWillChange(StyleDifference diff, const RenderStyle* newStyle)
     91 {
     92     if (diff == StyleDifferenceLayout)
     93         setNeedsBoundariesUpdate();
     94     RenderObject::styleWillChange(diff, newStyle);
     95 }
     96 
     97 void RenderSVGModelObject::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
     98 {
     99     RenderObject::styleDidChange(diff, oldStyle);
    100     SVGResourcesCache::clientStyleChanged(this, diff, style());
    101 }
    102 
    103 void RenderSVGModelObject::updateFromElement()
    104 {
    105     RenderObject::updateFromElement();
    106     SVGResourcesCache::clientUpdatedFromElement(this, style());
    107 }
    108 
    109 bool RenderSVGModelObject::nodeAtPoint(const HitTestRequest&, HitTestResult&, int, int, int, int, HitTestAction)
    110 {
    111     ASSERT_NOT_REACHED();
    112     return false;
    113 }
    114 
    115 } // namespace WebCore
    116 
    117 #endif // ENABLE(SVG)
    118