2 * Copyright (c) 2021 Samsung Electronics Co., Ltd.
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.Runtime.InteropServices;
20 using System.ComponentModel;
26 /// ProcessorController handles ProcessorCallbacks those are requested to be called for each end of event process.
27 /// If there are works those required to be called after all of the event process for the efficiency, add them ProcessorController.
28 /// The calling order is not guaranteed but ProcessorCallbackes of LayoutController those are added by using AddLayoutControllerProcessor,
29 /// are called after ordinaly ProcessCallbacks added by AddProcessor.
31 /// The added callbacks will be called every time of event tick.
32 /// If the callback is not be wanted to be called anymore, remove it.
34 internal sealed class ProcessorController : Disposable
36 private static ProcessorController instance = null;
38 private ProcessorController() : this(Interop.ProcessorController.New(), true)
42 internal ProcessorController(global::System.IntPtr cPtr, bool cMemoryOwn) : base(cPtr, cMemoryOwn)
44 processorCallback = new ProcessorEventHandler(Process);
45 Interop.ProcessorController.SetCallback(SwigCPtr, processorCallback);
48 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
49 internal delegate void ProcessorEventHandler();
51 private ProcessorEventHandler processorCallback = null;
53 public event EventHandler ProcessorOnceEvent;
54 public event EventHandler ProcessorEvent;
55 public event EventHandler LayoutProcessorEvent;
57 public static ProcessorController Instance
63 instance = new ProcessorController();
71 ProcessorOnceEvent?.Invoke(this, null);
72 ProcessorOnceEvent = null;
73 ProcessorEvent?.Invoke(this, null);
74 LayoutProcessorEvent?.Invoke(this, null);
78 /// Dispose ProcessorController.
80 [EditorBrowsable(EditorBrowsableState.Never)]
81 protected override void Dispose(DisposeTypes type)
83 Interop.ProcessorController.RemoveCallback(SwigCPtr, processorCallback);
84 ProcessorOnceEvent = null;
85 ProcessorEvent = null;
86 LayoutProcessorEvent = null;
87 GC.SuppressFinalize(this);
91 } // class ProcessorController
92 } // namespace Tizen.NUI