106 lines
2.1 KiB
Objective-C
106 lines
2.1 KiB
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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#import "OWSBezierPathView.h"
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#import <SignalCoreKit/OWSAsserts.h>
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NS_ASSUME_NONNULL_BEGIN
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#pragma mark -
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@implementation OWSBezierPathView
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- (id)init
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{
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self = [super init];
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if (self) {
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[self initCommon];
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}
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return self;
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}
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- (id)initWithFrame:(CGRect)frame
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{
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self = [super initWithFrame:frame];
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if (self) {
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[self initCommon];
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}
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return self;
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}
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- (void)initCommon
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{
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self.opaque = NO;
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self.userInteractionEnabled = NO;
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}
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- (void)setFrame:(CGRect)frame
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{
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BOOL didChangeSize = !CGSizeEqualToSize(frame.size, self.frame.size);
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[super setFrame:frame];
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if (didChangeSize) {
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[self updateLayers];
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}
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}
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- (void)setBounds:(CGRect)bounds
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{
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BOOL didChangeSize = !CGSizeEqualToSize(bounds.size, self.bounds.size);
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[super setBounds:bounds];
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if (didChangeSize) {
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[self updateLayers];
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}
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}
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- (void)setConfigureShapeLayerBlock:(ConfigureShapeLayerBlock)configureShapeLayerBlock
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{
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OWSAssertDebug(configureShapeLayerBlock);
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[self setConfigureShapeLayerBlocks:@[ configureShapeLayerBlock ]];
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}
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- (void)setConfigureShapeLayerBlocks:(NSArray<ConfigureShapeLayerBlock> *)configureShapeLayerBlocks
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{
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OWSAssertDebug(configureShapeLayerBlocks.count > 0);
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_configureShapeLayerBlocks = configureShapeLayerBlocks;
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[self updateLayers];
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}
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- (void)updateLayers
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{
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if (self.bounds.size.width <= 0.f || self.bounds.size.height <= 0.f) {
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return;
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}
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for (CALayer *layer in self.layer.sublayers) {
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[layer removeFromSuperlayer];
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}
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// Prevent the shape layer from animating changes.
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[CATransaction begin];
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[CATransaction setDisableActions:YES];
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for (ConfigureShapeLayerBlock configureShapeLayerBlock in self.configureShapeLayerBlocks) {
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CAShapeLayer *shapeLayer = [CAShapeLayer new];
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configureShapeLayerBlock(shapeLayer, self.bounds);
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[self.layer addSublayer:shapeLayer];
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}
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[CATransaction commit];
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[self setNeedsDisplay];
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}
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@end
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NS_ASSUME_NONNULL_END
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