2 * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the License);
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an AS IS BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 using System.Collections.Concurrent;
23 /// EcoreMainloop is a helper class, which provides the functions relative to Ecore's main loop.
25 /// <since_tizen> preview </since_tizen>
26 public static class EcoreMainloop
29 static readonly ConcurrentDictionary<int, Func<bool>> _taskMap = new ConcurrentDictionary<int, Func<bool>>();
30 static readonly Object _taskLock = new Object();
31 static int _newTaskId = 0;
33 static Interop.Ecore.EcoreTaskCallback _nativeHandler;
35 static EcoreMainloop()
37 Interop.Ecore.ecore_init();
38 Interop.Ecore.ecore_main_loop_glib_integrate();
39 _nativeHandler = NativeHandler;
43 /// Checks if you are calling this function from the main thread.
45 /// <remarks>True if the calling function is the same thread, false otherwise.</remarks>
46 /// <since_tizen> preview </since_tizen>
47 public static bool IsMainThread => Interop.Eina.eina_main_loop_is();
50 /// Runs the application main loop.
52 /// <since_tizen> preview </since_tizen>
53 public static void Begin()
55 Interop.Ecore.ecore_main_loop_begin();
59 /// Quits the main loop, once all the events currently on the queue have been processed.
61 /// <since_tizen> preview </since_tizen>
62 public static void Quit()
64 Interop.Ecore.ecore_main_loop_quit();
68 /// Adds an idler handler.
70 /// <param name="task">The action to call when idle.</param>
71 /// <since_tizen> preview </since_tizen>
72 public static void Post(Action task)
74 int id = RegistHandler(() => { task(); return false; });
75 Interop.Ecore.ecore_idler_add(_nativeHandler, (IntPtr)id);
79 /// Calls the callback asynchronously in the main loop.
81 /// <param name="task">The action wanted to be called.</param>
82 /// <since_tizen> preview </since_tizen>
83 public static void PostAndWakeUp(Action task)
91 int id = RegistHandler(() => { task(); return false; });
92 Interop.Ecore.ecore_main_loop_thread_safe_call_async(_nativeHandler, (IntPtr)id);
97 /// Calls the callback synchronously in the main loop.
99 /// <param name="task">The action wanted to be called.</param>
100 /// <since_tizen> preview </since_tizen>
101 public static void Send(Action task)
103 int id = RegistHandler(() => { task(); return false; });
104 Interop.Ecore.ecore_main_loop_thread_safe_call_sync(_nativeHandler, (IntPtr)id);
108 /// Creates a timer to call the given function in the given period of time.
110 /// <param name="interval">The interval in seconds.</param>
111 /// <param name="handler">The given function.</param>
112 /// <returns>A timer object handler on success, or null on failure.</returns>
113 /// <since_tizen> preview </since_tizen>
114 public static IntPtr AddTimer(double interval, Func<bool> handler)
116 int id = RegistHandler(handler);
117 return Interop.Ecore.ecore_timer_add(interval, _nativeHandler, (IntPtr)id);
121 /// Removes the specified timer from the timer list.
123 /// <param name="id">The specified timer handler</param>
124 /// <since_tizen> preview </since_tizen>
125 public static void RemoveTimer(IntPtr id)
127 int taskId = (int)Interop.Ecore.ecore_timer_del(id);
129 _taskMap.TryRemove(taskId, out unused);
132 static int RegistHandler(Func<bool> task)
137 taskId = _newTaskId++;
139 _taskMap[taskId] = task;
143 static bool NativeHandler(IntPtr user_data)
145 int task_id = (int)user_data;
146 Func<bool> userAction = null;
147 if (_taskMap.TryGetValue(task_id, out userAction))
151 if (userAction != null)
153 result = userAction();
158 _taskMap.TryRemove(task_id, out userAction);