Files
react-native/React/Fabric/Mounting/RCTViewComponentView.mm
Valentin Shergin 9646c5cb3c Fabric: RCTViewComponentView, storing just applied layoutMetrics
Summary:
This will be useful for this class and for subclasses soon.
For instance, when we draw something in `drawRect:`, we need to know exact content frame for rendering.

Reviewed By: mdvacca

Differential Revision: D7751855

fbshipit-source-id: 5d688368edd7b4f3c8c19d54ca701a9cc361270b
2018-05-08 19:24:10 -07:00

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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 "RCTViewComponentView.h"
#import <fabric/view/ViewProps.h>
using namespace facebook::react;
@implementation RCTViewComponentView
- (void)updateProps:(facebook::react::SharedProps)props
oldProps:(facebook::react::SharedProps)oldProps
{
if (!oldProps) {
oldProps = std::make_shared<ViewProps>();
}
auto oldViewProps = *std::dynamic_pointer_cast<const ViewProps>(oldProps);
auto newViewProps = *std::dynamic_pointer_cast<const ViewProps>(props);
if (oldViewProps.getBackgroundColor() != newViewProps.getBackgroundColor()) {
self.backgroundColor = [UIColor colorWithCGColor:newViewProps.getBackgroundColor().get()];
}
// TODO: Implement all sutable non-layout <View> props.
}
- (void)updateLayoutMetrics:(LayoutMetrics)layoutMetrics
oldLayoutMetrics:(LayoutMetrics)oldLayoutMetrics
{
[super updateLayoutMetrics:layoutMetrics oldLayoutMetrics:oldLayoutMetrics];
_layoutMetrics = layoutMetrics;
}
@end