122 lines
3.2 KiB
Plaintext
122 lines
3.2 KiB
Plaintext
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "RCTSwitchComponentView.h"
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#import <React/RCTConversions.h>
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#import <react/renderer/components/rncore/ComponentDescriptors.h>
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#import <react/renderer/components/rncore/EventEmitters.h>
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#import <react/renderer/components/rncore/Props.h>
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#import <react/renderer/components/rncore/RCTComponentViewHelpers.h>
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#import "RCTFabricComponentsPlugins.h"
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using namespace facebook::react;
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@interface RCTSwitchComponentView () <RCTSwitchViewProtocol>
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@end
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@implementation RCTSwitchComponentView {
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UISwitch *_switchView;
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BOOL _isInitialValueSet;
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}
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- (instancetype)initWithFrame:(CGRect)frame
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{
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if (self = [super initWithFrame:frame]) {
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static const auto defaultProps = std::make_shared<const SwitchProps>();
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_props = defaultProps;
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_switchView = [[UISwitch alloc] initWithFrame:self.bounds];
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[_switchView addTarget:self action:@selector(onChange:) forControlEvents:UIControlEventValueChanged];
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self.contentView = _switchView;
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}
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return self;
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}
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#pragma mark - RCTComponentViewProtocol
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- (void)prepareForRecycle
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{
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[super prepareForRecycle];
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_isInitialValueSet = NO;
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}
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+ (ComponentDescriptorProvider)componentDescriptorProvider
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{
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return concreteComponentDescriptorProvider<SwitchComponentDescriptor>();
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}
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- (void)updateProps:(Props::Shared const &)props oldProps:(Props::Shared const &)oldProps
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{
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const auto &oldSwitchProps = *std::static_pointer_cast<const SwitchProps>(_props);
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const auto &newSwitchProps = *std::static_pointer_cast<const SwitchProps>(props);
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// `value`
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if (oldSwitchProps.value != newSwitchProps.value) {
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BOOL shouldAnimate = _isInitialValueSet == YES;
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[_switchView setOn:newSwitchProps.value animated:shouldAnimate];
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_isInitialValueSet = YES;
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}
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// `disabled`
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if (oldSwitchProps.disabled != newSwitchProps.disabled) {
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_switchView.enabled = !newSwitchProps.disabled;
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}
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// `tintColor`
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if (oldSwitchProps.tintColor != newSwitchProps.tintColor) {
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_switchView.tintColor = RCTUIColorFromSharedColor(newSwitchProps.tintColor);
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}
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// `onTintColor
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if (oldSwitchProps.onTintColor != newSwitchProps.onTintColor) {
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_switchView.onTintColor = RCTUIColorFromSharedColor(newSwitchProps.onTintColor);
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}
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// `thumbTintColor`
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if (oldSwitchProps.thumbTintColor != newSwitchProps.thumbTintColor) {
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_switchView.thumbTintColor = RCTUIColorFromSharedColor(newSwitchProps.thumbTintColor);
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}
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[super updateProps:props oldProps:oldProps];
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}
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- (void)onChange:(UISwitch *)sender
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{
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const auto &props = *std::static_pointer_cast<const SwitchProps>(_props);
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if (props.value == sender.on) {
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return;
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}
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std::dynamic_pointer_cast<const SwitchEventEmitter>(_eventEmitter)
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->onChange(SwitchEventEmitter::OnChange{.value = static_cast<bool>(sender.on)});
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}
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#pragma mark - Native Commands
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- (void)handleCommand:(const NSString *)commandName args:(const NSArray *)args
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{
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RCTSwitchHandleCommand(self, commandName, args);
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}
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- (void)setValue:(BOOL)value
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{
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[_switchView setOn:value animated:YES];
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}
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@end
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Class<RCTComponentViewProtocol> RCTSwitchCls(void)
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{
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return RCTSwitchComponentView.class;
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}
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