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, it provide functions relative 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 is 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 idling</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 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)
85 int id = RegistHandler(() => { task(); return false; });
86 Interop.Ecore.ecore_main_loop_thread_safe_call_async(_nativeHandler, (IntPtr)id);
90 /// Calls callback synchronously in the main loop.
92 /// <param name="task">The action wanted to be called</param>
93 /// <since_tizen> preview </since_tizen>
94 public static void Send(Action task)
96 int id = RegistHandler(() => { task(); return false; });
97 Interop.Ecore.ecore_main_loop_thread_safe_call_sync(_nativeHandler, (IntPtr)id);
101 /// Creates a timer to call the given function in the given period of time.
103 /// <param name="interval">The interval in seconds.</param>
104 /// <param name="handler">The given function.</param>
105 /// <returns>A timer object handler on success, NULL on failure.</returns>
106 /// <since_tizen> preview </since_tizen>
107 public static IntPtr AddTimer(double interval, Func<bool> handler)
109 int id = RegistHandler(handler);
110 return Interop.Ecore.ecore_timer_add(interval, _nativeHandler, (IntPtr)id);
114 /// Removes the specified timer from the timer list.
116 /// <param name="id">The specified timer handler</param>
117 /// <since_tizen> preview </since_tizen>
118 public static void RemoveTimer(IntPtr id)
120 int taskId = (int)Interop.Ecore.ecore_timer_del(id);
122 _taskMap.TryRemove(taskId, out unused);
125 static int RegistHandler(Func<bool> task)
130 taskId = _newTaskId++;
132 _taskMap[taskId] = task;
136 static bool NativeHandler(IntPtr user_data)
138 int task_id = (int)user_data;
139 Func<bool> userAction = null;
140 if (_taskMap.TryGetValue(task_id, out userAction))
144 if (userAction != null)
146 result = userAction();
151 _taskMap.TryRemove(task_id, out userAction);