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ARTSurfaceView.m
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ARTSurfaceView.m
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/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import <React/ARTSurfaceView.h>
#import <React/RCTLog.h>
#import <React/ARTNode.h>
@implementation ARTSurfaceView
- (instancetype)initWithFrame:(CGRect)frame
{
if (self = [super initWithFrame:frame]) {
self.opaque = NO;
}
return self;
}
- (void)insertReactSubview:(RCTUIView *)subview atIndex:(NSInteger)atIndex // TODO(macOS ISS#3536887)
{
[super insertReactSubview:subview atIndex:atIndex];
[self insertSubview:subview atIndex:atIndex];
[self invalidate];
}
- (void)removeReactSubview:(RCTUIView *)subview // TODO(macOS ISS#3536887)
{
[super removeReactSubview:subview];
[self invalidate];
}
- (void)didUpdateReactSubviews
{
// Do nothing, as subviews are inserted by insertReactSubview:
}
- (void)invalidate
{
[self setNeedsDisplay];
}
- (void)drawRect:(CGRect)rect
{
[super drawRect:rect];
CGContextRef context = UIGraphicsGetCurrentContext();
for (RCTPlatformView *subview in self.subviews) {
if ([subview respondsToSelector:@selector(renderTo:)]) {
[(ARTNode *)subview renderTo:context];
} else {
// This is needed for legacy interop layer. Legacy interop layer
// is superview of the view that it is bridging, that's why we need
// to grab its first subview.
[(ARTNode *)subview.subviews.firstObject renderTo:context];
}
}
}
@end