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https://github.com/status-im/react-native.git
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33b966139e
Summary: This diff changes the behavior of the Scheduler.schedulerDidRequestPreliminaryViewAllocation to avoid pre-allocating views that are non-layoutables Reviewed By: shergin Differential Revision: D12962008 fbshipit-source-id: cb2670beafdcbd2116fbdaf2dc5d1b4726330ec2
100 lines
3.2 KiB
Plaintext
100 lines
3.2 KiB
Plaintext
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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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 "RCTScheduler.h"
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#import <react/uimanager/ContextContainer.h>
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#import <react/uimanager/Scheduler.h>
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#import <react/uimanager/SchedulerDelegate.h>
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#import <React/RCTFollyConvert.h>
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#import "RCTConversions.h"
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using namespace facebook::react;
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class SchedulerDelegateProxy: public SchedulerDelegate {
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public:
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SchedulerDelegateProxy(void *scheduler):
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scheduler_(scheduler) {}
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void schedulerDidFinishTransaction(Tag rootTag, const ShadowViewMutationList &mutations) override {
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RCTScheduler *scheduler = (__bridge RCTScheduler *)scheduler_;
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[scheduler.delegate schedulerDidFinishTransaction:mutations rootTag:rootTag];
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}
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void schedulerDidRequestPreliminaryViewAllocation(SurfaceId surfaceId, ComponentName componentName, bool isLayoutable, ComponentHandle componentHandle) override {
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RCTScheduler *scheduler = (__bridge RCTScheduler *)scheduler_;
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[scheduler.delegate schedulerDidRequestPreliminaryViewAllocationWithComponentName:RCTNSStringFromString(componentName, NSASCIIStringEncoding)];
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}
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private:
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void *scheduler_;
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};
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@implementation RCTScheduler {
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std::shared_ptr<Scheduler> _scheduler;
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std::shared_ptr<SchedulerDelegateProxy> _delegateProxy;
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}
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- (instancetype)initWithContextContainer:(std::shared_ptr<void>)contextContatiner
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{
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if (self = [super init]) {
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_delegateProxy = std::make_shared<SchedulerDelegateProxy>((__bridge void *)self);
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_scheduler = std::make_shared<Scheduler>(std::static_pointer_cast<ContextContainer>(contextContatiner));
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_scheduler->setDelegate(_delegateProxy.get());
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}
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return self;
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}
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- (void)dealloc
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{
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_scheduler->setDelegate(nullptr);
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}
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- (void)startSurfaceWithSurfaceId:(SurfaceId)surfaceId
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moduleName:(NSString *)moduleName
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initailProps:(NSDictionary *)initialProps
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layoutConstraints:(LayoutConstraints)layoutConstraints
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layoutContext:(LayoutContext)layoutContext;
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{
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auto props = convertIdToFollyDynamic(initialProps);
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_scheduler->startSurface(
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surfaceId,
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RCTStringFromNSString(moduleName),
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props,
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layoutConstraints,
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layoutContext);
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_scheduler->renderTemplateToSurface(
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surfaceId,
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props.getDefault("navigationConfig")
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.getDefault("initialUITemplate", "")
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.getString());
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}
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- (void)stopSurfaceWithSurfaceId:(SurfaceId)surfaceId
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{
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_scheduler->stopSurface(surfaceId);
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}
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- (CGSize)measureSurfaceWithLayoutConstraints:(LayoutConstraints)layoutConstraints
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layoutContext:(LayoutContext)layoutContext
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surfaceId:(SurfaceId)surfaceId
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{
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return RCTCGSizeFromSize(_scheduler->measureSurface(surfaceId, layoutConstraints, layoutContext));
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}
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- (void)constraintSurfaceLayoutWithLayoutConstraints:(LayoutConstraints)layoutConstraints
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layoutContext:(LayoutContext)layoutContext
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surfaceId:(SurfaceId)surfaceId
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{
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_scheduler->constraintSurfaceLayout(surfaceId, layoutConstraints, layoutContext);
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}
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@end
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