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samples/isolate_example/windows/runner/run_loop.h

41 lines
1016 B

#ifndef RUNNER_RUN_LOOP_H_
#define RUNNER_RUN_LOOP_H_
#include <flutter/flutter_engine.h>
#include <chrono>
#include <set>
// A runloop that will service events for Flutter instances as well
// as native messages.
class RunLoop {
public:
RunLoop();
~RunLoop();
// Prevent copying
RunLoop(RunLoop const&) = delete;
RunLoop& operator=(RunLoop const&) = delete;
// Runs the run loop until the application quits.
void Run();
// Registers the given Flutter instance for event servicing.
void RegisterFlutterInstance(
flutter::FlutterEngine* flutter_instance);
// Unregisters the given Flutter instance from event servicing.
void UnregisterFlutterInstance(
flutter::FlutterEngine* flutter_instance);
private:
using TimePoint = std::chrono::steady_clock::time_point;
// Processes all currently pending messages for registered Flutter instances.
TimePoint ProcessFlutterMessages();
std::set<flutter::FlutterEngine*> flutter_instances_;
};
#endif // RUNNER_RUN_LOOP_H_