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20645681d1
Summary: This also illustrates how we should use EventHandlers objects. Reviewed By: fkgozali Differential Revision: D8053357 fbshipit-source-id: cba084c8a871e40c7536720fce290c3467d33061
71 lines
1.8 KiB
Plaintext
71 lines
1.8 KiB
Plaintext
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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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 "RCTViewComponentView.h"
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#import <fabric/view/ViewProps.h>
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#import <fabric/view/ViewEventHandlers.h>
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using namespace facebook::react;
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@implementation RCTViewComponentView
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- (void)updateProps:(SharedProps)props
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oldProps:(SharedProps)oldProps
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{
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if (!oldProps) {
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oldProps = _props ?: std::make_shared<ViewProps>();
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}
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_props = props;
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auto oldViewProps = *std::dynamic_pointer_cast<const ViewProps>(oldProps);
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auto newViewProps = *std::dynamic_pointer_cast<const ViewProps>(props);
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if (oldViewProps.backgroundColor != newViewProps.backgroundColor) {
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self.backgroundColor = [UIColor colorWithCGColor:newViewProps.backgroundColor.get()];
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}
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// TODO: Implement all sutable non-layout <View> props.
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}
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- (void)updateEventHandlers:(SharedEventHandlers)eventHandlers
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{
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assert(std::dynamic_pointer_cast<const ViewEventHandlers>(eventHandlers));
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_eventHandlers = std::static_pointer_cast<const ViewEventHandlers>(eventHandlers);
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}
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- (void)updateLayoutMetrics:(LayoutMetrics)layoutMetrics
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oldLayoutMetrics:(LayoutMetrics)oldLayoutMetrics
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{
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[super updateLayoutMetrics:layoutMetrics oldLayoutMetrics:oldLayoutMetrics];
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_layoutMetrics = layoutMetrics;
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}
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#pragma mark - Accessibility Events
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- (BOOL)accessibilityActivate
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{
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_eventHandlers->onAccessibilityTap();
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return YES;
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}
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- (BOOL)accessibilityPerformMagicTap
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{
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_eventHandlers->onAccessibilityMagicTap();
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return YES;
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}
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- (BOOL)didActivateAccessibilityCustomAction:(UIAccessibilityCustomAction *)action
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{
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_eventHandlers->onAccessibilityAction([action.name cStringUsingEncoding:NSASCIIStringEncoding]);
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return YES;
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}
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@end
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