WebCoreCALayerExtras.mm   [plain text]

/*
* Copyright (C) 2013-2017 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. ``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
* 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 "WebCoreCALayerExtras.h"

#import <pal/spi/cocoa/QuartzCoreSPI.h>

@implementation CALayer (WebCoreCALayerExtras)

- (void)web_disableAllActions
{
NSNull *nullValue = [NSNull null];
self.style = @{
@"actions" : @{
@"anchorPoint" : nullValue,
@"anchorPointZ" : nullValue,
@"backgroundColor" : nullValue,
@"borderColor" : nullValue,
@"borderWidth" : nullValue,
@"bounds" : nullValue,
@"contents" : nullValue,
@"contentsRect" : nullValue,
@"contentsScale" : nullValue,
@"cornerRadius" : nullValue,
@"opacity" : nullValue,
@"position" : nullValue,
@"shadowColor" : nullValue,
@"sublayerTransform" : nullValue,
@"sublayers" : nullValue,
@"transform" : nullValue,
@"zPosition" : nullValue
}
};
}

- (void)_web_setLayerBoundsOrigin:(CGPoint)origin
{
CGRect bounds = [self bounds];
bounds.origin = origin;
[self setBounds:bounds];
}

- (void)_web_setLayerTopLeftPosition:(CGPoint)position
{
CGSize layerSize = [self bounds].size;
CGPoint anchorPoint = [self anchorPoint];
CGPoint newPosition = CGPointMake(position.x + anchorPoint.x * layerSize.width, position.y + anchorPoint.y * layerSize.height);
if (isnan(newPosition.x) || isnan(newPosition.y)) {
WTFLogAlways("Attempt to call [CALayer setPosition] with NaN: newPosition=(%f, %f) position=(%f, %f) anchorPoint=(%f, %f)",
newPosition.x, newPosition.y, position.x, position.y, anchorPoint.x, anchorPoint.y);
ASSERT_NOT_REACHED();
return;
}

[self setPosition:newPosition];
}

+ (CALayer *)_web_renderLayerWithContextID:(uint32_t)contextID
{
CALayerHost *layerHost = [CALayerHost layer];
layerHost.contextId = contextID;
return layerHost;
}

@end