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 #include "LayerBackedDrawingAreaProxy.h"

    27 

    28 #include "DrawingAreaMessageKinds.h"

    29 #include "DrawingAreaProxyMessageKinds.h"

    30 #include <QuartzCore/QuartzCore.h>

    31 #include "WKAPICast.h"

    32 #include "WKView.h"

    33 #include "WKViewInternal.h"

    34 #include "WebKitSystemInterface.h"

    35 #include "WebPageProxy.h"

    36 

    37 using namespace WebCore;

    38 

    39 namespace WebKit {

    40 

    41 WebPageProxy* LayerBackedDrawingAreaProxy::page()

    42 {

    43     return toWK([m_webView pageRef]);

    44 }

    45 

    46 void LayerBackedDrawingAreaProxy::platformSetSize()

    47 {

    48     [m_compositingRootLayer.get() setBounds:CGRectMake(0, 0, m_viewSize.width(), m_viewSize.height())];

    49 }

    50 

    51 void LayerBackedDrawingAreaProxy::attachCompositingContext(uint32_t contextID)

    52 {

    53 #if HAVE(HOSTED_CORE_ANIMATION)

    54     m_compositingRootLayer = WKMakeRenderLayer(contextID);

    55 

    56     // Turn off default animations.

    57     NSNull *nullValue = [NSNull null];

    58     NSDictionary *actions = [NSDictionary dictionaryWithObjectsAndKeys:

    59                              nullValue, @"anchorPoint",

    60                              nullValue, @"bounds",

    61                              nullValue, @"contents",

    62                              nullValue, @"contentsRect",

    63                              nullValue, @"opacity",

    64                              nullValue, @"position",

    65                              nullValue, @"sublayerTransform",

    66                              nullValue, @"sublayers",

    67                              nullValue, @"transform",

    68                              nil];

    69     [m_compositingRootLayer.get() setStyle:[NSDictionary dictionaryWithObject:actions forKey:@"actions"]];

    70     

    71     [m_compositingRootLayer.get() setAnchorPoint:CGPointZero];

    72     [m_compositingRootLayer.get() setBounds:CGRectMake(0, 0, m_viewSize.width(), m_viewSize.height())];

    73     

    74     // FIXME: this fixes the layer jiggle when resizing the window, but breaks layer flipping because

    75     // CA doesn't propagate the kCALayerFlagFlippedAbove through the remote layer.

    76     // [m_compositingRootLayer.get() setGeometryFlipped:YES];

    77 

    78 #ifndef NDEBUG

    79     [m_compositingRootLayer.get() setName:@"Compositing root layer"];

    80 #endif

    81 

    82     [m_webView _startAcceleratedCompositing:m_compositingRootLayer.get()];

    83 #endif

    84 }

    85 

    86 void LayerBackedDrawingAreaProxy::detachCompositingContext()

    87 {

    88     [m_webView _stopAcceleratedCompositing];

    89     m_compositingRootLayer = 0;

    90 }

    91 

    92 } // namespace WebKit