react-native-macos/React/Fabric/RCTScheduler.mm

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/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import "RCTScheduler.h"
#import <react/debug/SystraceSection.h>
#import <react/uimanager/ComponentDescriptorFactory.h>
#import <react/uimanager/ContextContainer.h>
#import <react/uimanager/Scheduler.h>
#import <react/uimanager/SchedulerDelegate.h>
#import <React/RCTFollyConvert.h>
#import "RCTConversions.h"
using namespace facebook::react;
class SchedulerDelegateProxy : public SchedulerDelegate {
public:
SchedulerDelegateProxy(void *scheduler) : scheduler_(scheduler) {}
void schedulerDidFinishTransaction(
Tag rootTag,
const ShadowViewMutationList &mutations,
const long commitStartTime,
const long layoutTime) override
{
RCTScheduler *scheduler = (__bridge RCTScheduler *)scheduler_;
[scheduler.delegate schedulerDidFinishTransaction:mutations rootTag:rootTag];
}
void schedulerDidRequestPreliminaryViewAllocation(SurfaceId surfaceId, const ShadowView &shadowView) override
{
// Does nothing.
// Preemptive allocation of native views on iOS does not require this call.
}
private:
void *scheduler_;
};
@implementation RCTScheduler {
std::shared_ptr<Scheduler> _scheduler;
std::shared_ptr<SchedulerDelegateProxy> _delegateProxy;
}
- (instancetype)initWithContextContainer:(std::shared_ptr<void>)contextContainer
{
if (self = [super init]) {
_delegateProxy = std::make_shared<SchedulerDelegateProxy>((__bridge void *)self);
_scheduler = std::make_shared<Scheduler>(
std::static_pointer_cast<ContextContainer>(contextContainer), getDefaultComponentRegistryFactory());
_scheduler->setDelegate(_delegateProxy.get());
}
return self;
}
- (void)dealloc
{
_scheduler->setDelegate(nullptr);
}
- (void)startSurfaceWithSurfaceId:(SurfaceId)surfaceId
moduleName:(NSString *)moduleName
initialProps:(NSDictionary *)initialProps
layoutConstraints:(LayoutConstraints)layoutConstraints
layoutContext:(LayoutContext)layoutContext;
{
SystraceSection s("-[RCTScheduler startSurfaceWithSurfaceId:...]");
auto props = convertIdToFollyDynamic(initialProps);
_scheduler->startSurface(surfaceId, RCTStringFromNSString(moduleName), props, layoutConstraints, layoutContext);
_scheduler->renderTemplateToSurface(
surfaceId, props.getDefault("navigationConfig").getDefault("initialUITemplate", "").getString());
}
- (void)stopSurfaceWithSurfaceId:(SurfaceId)surfaceId
{
SystraceSection s("-[RCTScheduler stopSurfaceWithSurfaceId:]");
_scheduler->stopSurface(surfaceId);
}
- (CGSize)measureSurfaceWithLayoutConstraints:(LayoutConstraints)layoutConstraints
layoutContext:(LayoutContext)layoutContext
surfaceId:(SurfaceId)surfaceId
{
SystraceSection s("-[RCTScheduler measureSurfaceWithLayoutConstraints:]");
return RCTCGSizeFromSize(_scheduler->measureSurface(surfaceId, layoutConstraints, layoutContext));
}
- (void)constraintSurfaceLayoutWithLayoutConstraints:(LayoutConstraints)layoutConstraints
layoutContext:(LayoutContext)layoutContext
surfaceId:(SurfaceId)surfaceId
{
SystraceSection s("-[RCTScheduler constraintSurfaceLayoutWithLayoutConstraints:]");
_scheduler->constraintSurfaceLayout(surfaceId, layoutConstraints, layoutContext);
}
- (const ComponentDescriptor &)getComponentDescriptor:(ComponentHandle)handle
{
return _scheduler->getComponentDescriptor(handle);
}
@end