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      1 /*
      2  * Copyright (C) 2008 Apple 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
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "RenderReplica.h"
     31 
     32 #include "RenderLayer.h"
     33 
     34 namespace WebCore {
     35 
     36 RenderReplica::RenderReplica(Node* n)
     37 : RenderBox(n)
     38 {
     39     // This is a hack. Replicas are synthetic, and don't pick up the attributes of the
     40     // renderers being replicated, so they always report that they are inline, non-replaced.
     41     // However, we need transforms to be applied to replicas for reflections, so have to pass
     42     // the if (!isInline() || isReplaced()) check before setHasTransform().
     43     setReplaced(true);
     44 }
     45 
     46 RenderReplica::~RenderReplica()
     47 {}
     48 
     49 void RenderReplica::layout()
     50 {
     51     setFrameRect(parentBox()->borderBoxRect());
     52     updateLayerTransform();
     53     setNeedsLayout(false);
     54 }
     55 
     56 void RenderReplica::computePreferredLogicalWidths()
     57 {
     58     m_minPreferredLogicalWidth = parentBox()->width();
     59     m_maxPreferredLogicalWidth = m_minPreferredLogicalWidth;
     60     setPreferredLogicalWidthsDirty(false);
     61 }
     62 
     63 void RenderReplica::paint(PaintInfo& paintInfo, int tx, int ty)
     64 {
     65     if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseMask)
     66         return;
     67 
     68     tx += x();
     69     ty += y();
     70 
     71     if (paintInfo.phase == PaintPhaseForeground)
     72         // Turn around and paint the parent layer. Use temporary clipRects, so that the layer doesn't end up caching clip rects
     73         // computing using the wrong rootLayer
     74         layer()->parent()->paintLayer(layer()->transform() ? layer()->parent() : layer()->enclosingTransformedAncestor(),
     75                                       paintInfo.context, paintInfo.rect,
     76                                       PaintBehaviorNormal, 0, 0,
     77                                       RenderLayer::PaintLayerHaveTransparency | RenderLayer::PaintLayerAppliedTransform | RenderLayer::PaintLayerTemporaryClipRects | RenderLayer::PaintLayerPaintingReflection);
     78     else if (paintInfo.phase == PaintPhaseMask)
     79         paintMask(paintInfo, tx, ty);
     80 }
     81 
     82 } // namespace WebCore
     83