Files
react-native/ReactCommon/react/utils/RunLoopObserver.cpp
T
Joshua Gross 9f120efcf4 ReactCommon/utils: Migrate uses of NDEBUG to REACT_NATIVE_DEBUG + react_native_assert
Summary:
For better cross-platform consistency, migrate usages of NDEBUG to REACT_NATIVE_DEBUG. See flags.h for explanation.

Changelog: [Internal]

Reviewed By: PeteTheHeat

Differential Revision: D26695275

fbshipit-source-id: 85aae94105a2817d345d25f736386e545dff0a9a
2021-02-26 23:30:01 -08:00

64 lines
1.5 KiB
C++

/*
* 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 "RunLoopObserver.h"
#include <react/debug/react_native_assert.h>
namespace facebook {
namespace react {
RunLoopObserver::RunLoopObserver(
Activity activities,
WeakOwner const &owner) noexcept
: activities_(activities), owner_(owner) {}
void RunLoopObserver::setDelegate(Delegate const *delegate) const noexcept {
// We need these constraints to ensure basic thread-safety.
react_native_assert(delegate && "A delegate must not be `nullptr`.");
react_native_assert(
!delegate_ && "`RunLoopObserver::setDelegate` must be called once.");
delegate_ = delegate;
}
void RunLoopObserver::enable() const noexcept {
if (enabled_) {
return;
}
enabled_ = true;
startObserving();
}
void RunLoopObserver::disable() const noexcept {
if (!enabled_) {
return;
}
enabled_ = false;
stopObserving();
}
void RunLoopObserver::activityDidChange(Activity activity) const noexcept {
if (!enabled_) {
return;
}
react_native_assert(
!owner_.expired() &&
"`owner_` is null. The caller must `lock` the owner and check it for being not null.");
delegate_->activityDidChange(delegate_, activity);
}
RunLoopObserver::WeakOwner RunLoopObserver::getOwner() const noexcept {
return owner_;
}
} // namespace react
} // namespace facebook