flutter::GLFWEventLoop Class Reference

#include <glfw_event_loop.h>

Inheritance diagram for flutter::GLFWEventLoop:

Public Member Functions
	GLFWEventLoop (std::thread::id main_thread_id, const TaskExpiredCallback &on_task_expired)
virtual	~GLFWEventLoop ()
	GLFWEventLoop (const GLFWEventLoop &)=delete
GLFWEventLoop &	operator= (const GLFWEventLoop &)=delete
Public Member Functions inherited from flutter::EventLoop
	EventLoop (std::thread::id main_thread_id, const TaskExpiredCallback &on_task_expired)
virtual	~EventLoop ()
	EventLoop (const EventLoop &)=delete
EventLoop &	operator= (const EventLoop &)=delete
bool	RunsTasksOnCurrentThread () const
void	WaitForEvents (std::chrono::nanoseconds max_wait=std::chrono::nanoseconds::max())
void	PostTask (FlutterTask flutter_task, uint64_t flutter_target_time_nanos)

Private Member Functions
void	WaitUntil (const TaskTimePoint &time) override
void	Wake () override

Additional Inherited Members
Public Types inherited from flutter::EventLoop
using	TaskExpiredCallback = std::function< void(const FlutterTask *)>
Protected Types inherited from flutter::EventLoop
using	TaskTimePoint = std::chrono::steady_clock::time_point
Protected Member Functions inherited from flutter::EventLoop
std::mutex &	GetTaskQueueMutex ()
Static Protected Member Functions inherited from flutter::EventLoop
static TaskTimePoint	TimePointFromFlutterTime (uint64_t flutter_target_time_nanos)
Protected Attributes inherited from flutter::EventLoop
std::thread::id	main_thread_id_
TaskExpiredCallback	on_task_expired_
std::mutex	task_queue_mutex_
std::priority_queue< Task, std::deque< Task >, Task::Comparer >	task_queue_

Detailed Description

Definition at line 14 of file glfw_event_loop.h.

Constructor & Destructor Documentation

GLFWEventLoop() [1/2]

flutter::GLFWEventLoop::GLFWEventLoop	(	std::thread::id	main_thread_id,
		const TaskExpiredCallback &	on_task_expired
	)

Definition at line 14 of file glfw_event_loop.cc.

    : EventLoop(main_thread_id, on_task_expired) {}

~GLFWEventLoop()

flutter::GLFWEventLoop::~GLFWEventLoop ( )

virtualdefault

GLFWEventLoop() [2/2]

flutter::GLFWEventLoop::GLFWEventLoop ( const GLFWEventLoop &  )

delete

Member Function Documentation

operator=()

GLFWEventLoop & flutter::GLFWEventLoop::operator= ( const GLFWEventLoop &  )

delete

WaitUntil()

void flutter::GLFWEventLoop::WaitUntil ( const TaskTimePoint &  time )

overrideprivatevirtual

Implements flutter::EventLoop.

Definition at line 20 of file glfw_event_loop.cc.

                                                       {
  const auto now = TaskTimePoint::clock::now();
 
  // Make sure the seconds are not integral.
  using Seconds = std::chrono::duration<double, std::ratio<1>>;
  const auto duration_to_wait = std::chrono::duration_cast<Seconds>(time - now);
 
  if (duration_to_wait.count() > 0.0) {
    ::glfwWaitEventsTimeout(duration_to_wait.count());
  } else {
    // Avoid engine task priority inversion by making sure GLFW events are
    // always processed even when there is no need to wait for pending engine
    // tasks.
    ::glfwPollEvents();
  }
}

Wake()

void flutter::GLFWEventLoop::Wake ( )

overrideprivatevirtual

Implements flutter::EventLoop.

Definition at line 37 of file glfw_event_loop.cc.

                         {
  ::glfwPostEmptyEvent();
}

---

The documentation for this class was generated from the following files:

• shell/platform/glfw/glfw_event_loop.h
• shell/platform/glfw/glfw_event_loop.cc