react-native/React/Fabric/Mounting/UIView+ComponentViewProtocol.mm
Valentin Shergin 1064dad9bf Fabric: Support of updating EventHandlers on mounting layer
Summary:
Pretty trivial; new type of mount item & new method in the component protocol.
The default implementation in `UIView+ComponentViewProtocol` does nothing.

Reviewed By: fkgozali

Differential Revision: D8053355

fbshipit-source-id: a0418edf17ca75c4b94942b04acd93f3ea5d27e0
2018-05-22 16:31:58 -07:00

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1.7 KiB
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/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import "UIView+ComponentViewProtocol.h"
#import <React/RCTAssert.h>
#import "RCTConversions.h"
@implementation UIView (ComponentViewProtocol)
- (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView
index:(NSInteger)index
{
[self insertSubview:childComponentView atIndex:index];
}
- (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView
index:(NSInteger)index
{
RCTAssert(childComponentView.superview == self, @"Attempt to unmount improperly mounted component view.");
[childComponentView removeFromSuperview];
}
- (void)updateProps:(facebook::react::SharedProps)props
oldProps:(facebook::react::SharedProps)oldProps
{
// Default implementation does nothing.
}
- (void)updateEventHandlers:(facebook::react::SharedEventHandlers)eventHandlers
{
// Default implementation does nothing.
}
- (void)updateLocalData:(facebook::react::SharedLocalData)localData
oldLocalData:(facebook::react::SharedLocalData)oldLocalData
{
// Default implementation does nothing.
}
- (void)updateLayoutMetrics:(facebook::react::LayoutMetrics)layoutMetrics
oldLayoutMetrics:(facebook::react::LayoutMetrics)oldLayoutMetrics
{
if (layoutMetrics.frame != oldLayoutMetrics.frame) {
self.frame = RCTCGRectFromRect(layoutMetrics.frame);
}
// TODO: Apply another layout metrics here.
}
- (void)prepareForRecycle
{
// Default implementation does nothing.
}
@end