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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 "core/rendering/RenderReplica.h"
     31 
     32 #include "core/paint/ReplicaPainter.h"
     33 #include "core/rendering/GraphicsContextAnnotator.h"
     34 #include "core/rendering/RenderLayer.h"
     35 
     36 namespace blink {
     37 
     38 RenderReplica::RenderReplica()
     39     : RenderBox(0)
     40 {
     41     // This is a hack. Replicas are synthetic, and don't pick up the attributes of the
     42     // renderers being replicated, so they always report that they are inline, non-replaced.
     43     // However, we need transforms to be applied to replicas for reflections, so have to pass
     44     // the if (!isInline() || isReplaced()) check before setHasTransform().
     45     setReplaced(true);
     46 }
     47 
     48 RenderReplica* RenderReplica::createAnonymous(Document* document)
     49 {
     50     RenderReplica* renderer = new RenderReplica();
     51     renderer->setDocumentForAnonymous(document);
     52     return renderer;
     53 }
     54 
     55 RenderReplica::~RenderReplica()
     56 {
     57 }
     58 
     59 void RenderReplica::layout()
     60 {
     61     setFrameRect(parentBox()->borderBoxRect());
     62     addVisualOverflow(parentBox()->visualOverflowRect());
     63     updateLayerTransformAfterLayout();
     64     clearNeedsLayout();
     65 }
     66 
     67 void RenderReplica::computePreferredLogicalWidths()
     68 {
     69     m_minPreferredLogicalWidth = parentBox()->width();
     70     m_maxPreferredLogicalWidth = m_minPreferredLogicalWidth;
     71     clearPreferredLogicalWidthsDirty();
     72 }
     73 
     74 void RenderReplica::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
     75 {
     76     ReplicaPainter(*this).paint(paintInfo, paintOffset);
     77 }
     78 
     79 } // namespace blink
     80