This repository has been archived on 2022-03-12. You can view files and clone it, but cannot push or open issues or pull requests.

58 lines
1.5 KiB
Plaintext
Raw Normal View History

2021-04-02 02:24:13 +03:00
/*
* 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.
*/
#include "RuntimeEventBeat.h"
namespace facebook {
namespace react {
RuntimeEventBeat::RuntimeEventBeat(EventBeat::SharedOwnerBox const &ownerBox, RuntimeExecutor runtimeExecutor)
: EventBeat(ownerBox), runtimeExecutor_(std::move(runtimeExecutor))
{
mainRunLoopObserver_ = CFRunLoopObserverCreateWithHandler(
NULL /* allocator */,
kCFRunLoopBeforeWaiting /* activities */,
true /* repeats */,
0 /* order */,
^(CFRunLoopObserverRef observer, CFRunLoopActivity activity) {
// Note: We only `induce` beat here; actual beat will be performed on
// a different thread.
this->induce();
});
assert(mainRunLoopObserver_);
CFRunLoopAddObserver(CFRunLoopGetMain(), mainRunLoopObserver_, kCFRunLoopCommonModes);
}
RuntimeEventBeat::~RuntimeEventBeat()
{
CFRunLoopRemoveObserver(CFRunLoopGetMain(), mainRunLoopObserver_, kCFRunLoopCommonModes);
CFRelease(mainRunLoopObserver_);
}
void RuntimeEventBeat::induce() const
{
if (!isRequested_ || isBusy_) {
return;
}
isBusy_ = true;
runtimeExecutor_([this, ownerBox = ownerBox_](jsi::Runtime &runtime) mutable {
auto owner = ownerBox->owner.lock();
if (!owner) {
return;
}
this->beat(runtime);
isBusy_ = false;
});
}
} // namespace react
} // namespace facebook