66 lines
1.6 KiB
Plaintext
66 lines
1.6 KiB
Plaintext
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/*
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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 "MainRunLoopEventBeat.h"
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#import <React/RCTUtils.h>
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#import <mutex>
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namespace facebook {
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namespace react {
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MainRunLoopEventBeat::MainRunLoopEventBeat(EventBeat::SharedOwnerBox const &ownerBox, RuntimeExecutor runtimeExecutor)
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: EventBeat(ownerBox), runtimeExecutor_(std::move(runtimeExecutor))
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{
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mainRunLoopObserver_ = CFRunLoopObserverCreateWithHandler(
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NULL /* allocator */,
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kCFRunLoopBeforeWaiting /* activities */,
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true /* repeats */,
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0 /* order */,
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^(CFRunLoopObserverRef observer, CFRunLoopActivity activity) {
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if (!this->isRequested_) {
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return;
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}
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this->lockExecutorAndBeat();
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});
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assert(mainRunLoopObserver_);
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CFRunLoopAddObserver(CFRunLoopGetMain(), mainRunLoopObserver_, kCFRunLoopCommonModes);
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}
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MainRunLoopEventBeat::~MainRunLoopEventBeat()
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{
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CFRunLoopRemoveObserver(CFRunLoopGetMain(), mainRunLoopObserver_, kCFRunLoopCommonModes);
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CFRelease(mainRunLoopObserver_);
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}
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void MainRunLoopEventBeat::induce() const
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{
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if (!this->isRequested_) {
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return;
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}
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RCTExecuteOnMainQueue(^{
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this->lockExecutorAndBeat();
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});
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}
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void MainRunLoopEventBeat::lockExecutorAndBeat() const
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{
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auto owner = ownerBox_->owner.lock();
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if (!owner) {
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return;
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}
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executeSynchronouslyOnSameThread_CAN_DEADLOCK(runtimeExecutor_, [this](jsi::Runtime &runtime) { beat(runtime); });
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}
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} // namespace react
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} // namespace facebook
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