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.
19 using Tizen.Applications.CoreBackend;
21 namespace Tizen.Applications
24 /// Class that represents an application controlled lifecycles by the backend system.
26 public class CoreApplication : Application
28 private readonly ICoreBackend _backend;
29 private bool _disposedValue = false;
32 /// Initializes the CoreApplication class.
34 /// <param name="backend">The backend instance implementing ICoreBacked interface.</param>
35 public CoreApplication(ICoreBackend backend)
41 /// Occurs when the application is launched.
43 public event EventHandler Created;
46 /// Occurs when the application is about to shutdown.
48 public event EventHandler Terminated;
51 /// Occurs whenever the application receives the appcontrol message.
53 public event EventHandler<AppControlReceivedEventArgs> AppControlReceived;
56 /// Occurs when the system memory is low.
58 public event EventHandler<LowMemoryEventArgs> LowMemory;
61 /// Occurs when the system battery is low.
63 public event EventHandler<LowBatteryEventArgs> LowBattery;
66 /// Occurs when the system language is chagned.
68 public event EventHandler<LocaleChangedEventArgs> LocaleChanged;
71 /// Occurs when the region format is changed.
73 public event EventHandler<RegionFormatChangedEventArgs> RegionFormatChanged;
76 /// Occurs when the device orientation is changed.
78 public event EventHandler<DeviceOrientationEventArgs> DeviceOrientationChanged;
81 /// The backend instance.
83 protected ICoreBackend Backend { get { return _backend; } }
86 /// Runs the application's main loop.
88 /// <param name="args">Arguments from commandline.</param>
89 public override void Run(string[] args)
93 _backend.AddEventHandler(EventType.Created, OnCreate);
94 _backend.AddEventHandler(EventType.Terminated, OnTerminate);
95 _backend.AddEventHandler<AppControlReceivedEventArgs>(EventType.AppControlReceived, OnAppControlReceived);
96 _backend.AddEventHandler<LowMemoryEventArgs>(EventType.LowMemory, OnLowMemory);
97 _backend.AddEventHandler<LowBatteryEventArgs>(EventType.LowBattery, OnLowBattery);
98 _backend.AddEventHandler<LocaleChangedEventArgs>(EventType.LocaleChanged, OnLocaleChanged);
99 _backend.AddEventHandler<RegionFormatChangedEventArgs>(EventType.RegionFormatChanged, OnRegionFormatChanged);
100 _backend.AddEventHandler<DeviceOrientationEventArgs>(EventType.DeviceOrientationChanged, OnDeviceOrientationChanged);
102 string[] argsClone = null;
106 argsClone = new string[1];
110 argsClone = new string[args.Length + 1];
111 args.CopyTo(argsClone, 1);
113 argsClone[0] = string.Empty;
114 _backend.Run(argsClone);
118 /// Exits the main loop of the application.
120 public override void Exit()
126 /// Overrides this method if want to handle behavior when the application is launched.
127 /// If base.OnCreated() is not called, the event 'Created' will not be emitted.
129 protected virtual void OnCreate()
131 Created?.Invoke(this, EventArgs.Empty);
135 /// Overrides this method if want to handle behavior when the application is terminated.
136 /// If base.OnTerminate() is not called, the event 'Terminated' will not be emitted.
138 protected virtual void OnTerminate()
140 Terminated?.Invoke(this, EventArgs.Empty);
144 /// Overrides this method if want to handle behavior when the application receives the appcontrol message.
145 /// If base.OnAppControlReceived() is not called, the event 'AppControlReceived' will not be emitted.
147 /// <param name="e"></param>
148 protected virtual void OnAppControlReceived(AppControlReceivedEventArgs e)
150 AppControlReceived?.Invoke(this, e);
154 /// Overrides this method if want to handle behavior when the system memory is low.
155 /// If base.OnLowMemory() is not called, the event 'LowMemory' will not be emitted.
157 protected virtual void OnLowMemory(LowMemoryEventArgs e)
159 LowMemory?.Invoke(this, e);
164 /// Overrides this method if want to handle behavior when the system battery is low.
165 /// If base.OnLowBattery() is not called, the event 'LowBattery' will not be emitted.
167 protected virtual void OnLowBattery(LowBatteryEventArgs e)
169 LowBattery?.Invoke(this, e);
173 /// Overrides this method if want to handle behavior when the system language is changed.
174 /// If base.OnLocaleChanged() is not called, the event 'LocaleChanged' will not be emitted.
176 protected virtual void OnLocaleChanged(LocaleChangedEventArgs e)
178 LocaleChanged?.Invoke(this, e);
182 /// Overrides this method if want to handle behavior when the region format is changed.
183 /// If base.OnRegionFormatChanged() is not called, the event 'RegionFormatChanged' will not be emitted.
185 protected virtual void OnRegionFormatChanged(RegionFormatChangedEventArgs e)
187 RegionFormatChanged?.Invoke(this, e);
191 /// Overrides this method if want to handle behavior when the device orientation is changed.
192 /// If base.OnRegionFormatChanged() is not called, the event 'RegionFormatChanged' will not be emitted.
194 protected virtual void OnDeviceOrientationChanged(DeviceOrientationEventArgs e)
196 DeviceOrientationChanged?.Invoke(this, e);
200 /// Releases any unmanaged resources used by this object. Can also dispose any other disposable objects.
202 /// <param name="disposing">If true, disposes any disposable objects. If false, does not dispose disposable objects.</param>
203 protected override void Dispose(bool disposing)
212 _disposedValue = true;
214 base.Dispose(disposing);