amis-rpc-design/node_modules/react-native/React/Fabric/Utils/PlatformRunLoopObserver.h
2023-10-07 19:42:30 +08:00

55 lines
1.3 KiB
C++

/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <CoreFoundation/CFRunLoop.h>
#include <CoreFoundation/CoreFoundation.h>
#include <react/utils/RunLoopObserver.h>
namespace facebook {
namespace react {
/*
* Concrete iOS-specific implementation of `RunLoopObserver` using
* `CFRunLoopObserver` under the hood.
*/
class PlatformRunLoopObserver : public RunLoopObserver {
public:
PlatformRunLoopObserver(
RunLoopObserver::Activity activities,
RunLoopObserver::WeakOwner const &owner,
CFRunLoopRef runLoop);
~PlatformRunLoopObserver();
virtual bool isOnRunLoopThread() const noexcept override;
private:
void startObserving() const noexcept override;
void stopObserving() const noexcept override;
CFRunLoopRef runLoop_;
CFRunLoopObserverRef mainRunLoopObserver_;
};
/*
* Convenience specialization of `PlatformRunLoopObserver` observing the main
* run loop.
*/
class MainRunLoopObserver final : public PlatformRunLoopObserver {
public:
MainRunLoopObserver(
RunLoopObserver::Activity activities,
RunLoopObserver::WeakOwner const &owner)
: PlatformRunLoopObserver(activities, owner, CFRunLoopGetMain()) {}
};
} // namespace react
} // namespace facebook