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#ifndef MBGL_UTIL_RUN_LOOP
#define MBGL_UTIL_RUN_LOOP
#include <memory>
#include <mutex>
#include <functional>
#include <queue>
namespace uv {
class async;
class loop;
}
namespace mbgl {
namespace util {
template <typename T> class Thread;
class RunLoop {
friend Thread<RunLoop>;
protected:
// These are called by the Thread<> wrapper.
RunLoop();
~RunLoop();
// Called by the Thread<> wrapper to start the loop. When you implement this
// method in a child class, you *must* call this function as the last action.
void start();
protected:
// Called by the Thread<> wrapper to terminate this loop.
void stop();
// Obtain the underlying loop object in case you want to attach additional listeners.
uv::loop& loop() { return *runloop; };
private:
// Invokes function in the run loop.
void process();
public:
// Schedules a function to be executed as part of this run loop.
void invoke(std::function<void()>&& fn);
private:
const std::unique_ptr<uv::loop> runloop;
const std::unique_ptr<uv::async> runloopAsync;
std::mutex runloopMutex;
std::queue<std::function<void()>> runloopQueue;
};
}
}
#endif
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