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      1 /*
      2  * Copyright (C) 2010 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  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #import "config.h"
     27 #import "PluginProxy.h"
     28 
     29 #if ENABLE(PLUGIN_PROCESS)
     30 
     31 #import <WebKitSystemInterface.h>
     32 
     33 namespace WebKit {
     34 
     35 PlatformLayer* PluginProxy::pluginLayer()
     36 {
     37     if (!m_pluginLayer && m_remoteLayerClientID) {
     38         CALayer *renderLayer = WKMakeRenderLayer(m_remoteLayerClientID);
     39 
     40         // Create a layer with flipped geometry and add the real plug-in layer as a sublayer
     41         // so the coordinate system will match the event coordinate system.
     42         m_pluginLayer.adoptNS([[CALayer alloc] init]);
     43         [m_pluginLayer.get() setGeometryFlipped:YES];
     44 
     45         [renderLayer setAutoresizingMask:kCALayerWidthSizable | kCALayerHeightSizable];
     46         [m_pluginLayer.get() addSublayer:renderLayer];
     47     }
     48 
     49     return m_pluginLayer.get();
     50 }
     51 
     52 bool PluginProxy::needsBackingStore() const
     53 {
     54     return !m_remoteLayerClientID;
     55 }
     56 
     57 } // namespace WebKit
     58 
     59 #endif // ENABLE(PLUGIN_PROCESS)
     60