react-native/React/Fabric/Mounting/RCTViewComponentView.mm
Valentin Shergin dd3a6eda70 Fabric: Devirtualizing of props parsing infra
Summary:
This diff contains several tight to each other changes (which can/should not be split into several diffs):
 * The props parsing/conversion process was de-virtualized: we don't use virtual `apply` method to parse props anymore. Instead, we use old-fashioned constructors.
 * All fields of Props classes which represent props values were marked as `const` which make impossible to modify them after the objects were created (even if we have non-const value-of/pointer-to the whole Props object). Those fields are also `public` now.
 * All custom handwritten getters were removed (because we don't need them anymore).

So, now we don't need all those custom getters which makes code much more compact, performant and codegen-friendly.

Reviewed By: fkgozali

Differential Revision: D7901245

fbshipit-source-id: 9f4b1fd2da64bf963b63215ed3bd74b9d3c58dd5
2018-05-14 16:03:49 -07:00

43 lines
1.1 KiB
Plaintext

/**
* 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 = _props ?: std::make_shared<ViewProps>();
}
_props = props;
auto oldViewProps = *std::dynamic_pointer_cast<const ViewProps>(oldProps);
auto newViewProps = *std::dynamic_pointer_cast<const ViewProps>(props);
if (oldViewProps.backgroundColor != newViewProps.backgroundColor) {
self.backgroundColor = [UIColor colorWithCGColor:newViewProps.backgroundColor.get()];
}
// TODO: Implement all sutable non-layout <View> props.
}
- (void)updateLayoutMetrics:(LayoutMetrics)layoutMetrics
oldLayoutMetrics:(LayoutMetrics)oldLayoutMetrics
{
[super updateLayoutMetrics:layoutMetrics oldLayoutMetrics:oldLayoutMetrics];
_layoutMetrics = layoutMetrics;
}
@end