react-native/ReactCommon/cxxreact/ExecutorToken.h

55 lines
1.4 KiB
C++

// Copyright 2004-present Facebook. All Rights Reserved.
#pragma once
#include <cxxreact/Executor.h>
namespace facebook {
namespace react {
/**
* This class exists so that we have a type for the shared_ptr on ExecutorToken
* that implements a virtual destructor.
*/
class PlatformExecutorToken {
public:
virtual ~PlatformExecutorToken() {}
};
/**
* Class corresponding to a JS VM that can call into native modules. This is
* passed to native modules to allow their JS module calls/callbacks to be
* routed back to the proper JS VM on the proper thread.
*/
class ExecutorToken {
public:
/**
* This should only be used by the implementation of the platform ExecutorToken.
* Do not use as a client of ExecutorToken.
*/
explicit ExecutorToken(std::shared_ptr<PlatformExecutorToken> platformToken) :
platformToken_(platformToken) {}
std::shared_ptr<PlatformExecutorToken> getPlatformExecutorToken() const {
return platformToken_;
}
bool operator==(const ExecutorToken& other) const {
return platformToken_.get() == other.platformToken_.get();
}
private:
std::shared_ptr<PlatformExecutorToken> platformToken_;
};
} }
namespace std {
template<>
struct hash<facebook::react::ExecutorToken> {
size_t operator()(const facebook::react::ExecutorToken& token) const {
return (size_t) token.getPlatformExecutorToken().get();
}
};
}