Source/WebKit/UIProcess/API/mac/WKContentViewMac.mm

/*
* Copyright (C) 2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/

#import "config.h"
#import "WKContentViewMac.h"

#if PLATFORM(MAC)

#import "RemoteLayerTreeDrawingAreaProxy.h"
#import "WebPageProxy.h"
#import <QuartzCore/CATransaction.h>

@implementation WKContentView {
    RefPtr<WebKit::WebPageProxy> _page;
}

- (instancetype)initWithFrame:(NSRect)frame page:(RefPtr<WebKit::WebPageProxy>&&)page
{
    self = [super initWithFrame:frame];
    if (!self)
        return nil;
    
    _page = WTFMove(page);
    _page->setUseFixedLayout(true);
    _page->setDelegatesScrolling(true);

    [self setWantsLayer:YES];
    return self;
}

- (BOOL)isFlipped
{
    return YES;
}

- (void)_setAcceleratedCompositingRootLayer:(CALayer *)layer
{
    [CATransaction begin];
    [CATransaction setDisableActions:YES];

    [self layer].sublayers = layer ? @[ layer ] : nil;

    [CATransaction commit];
}

@end

#endif // PLATFORM(MAC)