src/Tizen.NUI/src/internal/NUICoreBackend.cs

   1 /*
   2  * Copyright (c) 2018 Samsung Electronics Co., Ltd.
   3  *
   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
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  *
  16  */
  17
  18 using System;
  19 using System.Collections.Generic;
  20
  21 using Tizen.Applications.CoreBackend;
  22 using Tizen.Applications;
  23
  24 namespace Tizen.NUI
  25 {
  26     class NUICoreBackend : ICoreBackend
  27     {
  28         /// <summary>
  29         /// The Application instance to connect event.
  30         /// </summary>
  31         protected Application _application;
  32         private string _stylesheet = "";
  33         private NUIApplication.WindowMode _windowMode = NUIApplication.WindowMode.Opaque;
  34
  35         /// <summary>
  36         /// The Dictionary to contain each type of event callback.
  37         /// </summary>
  38         protected IDictionary<EventType, object> Handlers = new Dictionary<EventType, object>();
  39
  40         /// <summary>
  41         /// The default Constructor.
  42         /// </summary>
  43         public NUICoreBackend()
  44         {
  45         }
  46
  47         /// <summary>
  48         /// The constructor with stylesheet.
  49         /// </summary>
  50         public NUICoreBackend(string stylesheet)
  51         {
  52             _stylesheet = stylesheet;
  53         }
  54
  55         /// <summary>
  56         /// The constructor with stylesheet and window mode.
  57         /// </summary>
  58         public NUICoreBackend(string stylesheet, NUIApplication.WindowMode windowMode)
  59         {
  60             _stylesheet = stylesheet;
  61             _windowMode = windowMode;
  62         }
  63
  64         /// <summary>
  65         /// Adds NUIApplication event to Application.
  66         /// Puts each type of event callback in Dictionary.
  67         /// </summary>
  68         /// <param name="evType">The type of event.</param>
  69         /// <param name="handler">The event callback.</param>
  70         public void AddEventHandler(EventType evType, Action handler)
  71         {
  72             Handlers.Add(evType, handler);
  73         }
  74
  75         /// <summary>
  76         /// Adds NUIApplication event to Application.
  77         /// Puts each type of event callback in Dictionary.
  78         /// </summary>
  79         /// <typeparam name="TEventArgs">The argument type for the event.</typeparam>
  80         /// <param name="evType">The type of event.</param>
  81         /// <param name="handler">The event callback.</param>
  82         public void AddEventHandler<TEventArgs>(EventType evType, Action<TEventArgs> handler) where TEventArgs : EventArgs
  83         {
  84             Handlers.Add(evType, handler);
  85         }
  86
  87
  88         /// <summary>
  89         /// The Dispose function.
  90         /// </summary>
  91         public void Dispose()
  92         {
  93             if(_application != null)
  94             {
  95                 _application.Dispose();
  96             }
  97         }
  98
  99         /// <summary>
 100         /// The Exit application.
 101         /// </summary>
 102         public void Exit()
 103         {
 104             if(_application != null)
 105             {
 106                 _application.Quit();
 107             }
 108         }
 109
 110         /// <summary>
 111         /// Ensures that the function passed in is called from the main loop when it is idle.
 112         /// </summary>
 113         /// <param name="func">The function to call</param>
 114         /// <returns>true if added successfully, false otherwise</returns>
 115         public bool AddIdle(System.Delegate func)
 116         {
 117             return _application.AddIdle(func);
 118         }
 119
 120         /// <summary>
 121         /// The Run application.
 122         /// </summary>
 123         /// <param name="args">The arguments from commandline.</param>
 124         public void Run(string[] args)
 125         {
 126             TizenSynchronizationContext.Initialize();
 127             NDalicPINVOKE.SWIGStringHelper.RegistCallback();
 128
 129             args[0] = Tizen.Applications.Application.Current.ApplicationInfo.ExecutablePath;
 130             if (args.Length == 1)
 131             {
 132                 _application = Application.NewApplication();
 133             }
 134             else if (args.Length > 1)
 135             {
 136                 _application = Application.NewApplication(args, _stylesheet, (Application.WindowMode)_windowMode);
 137             }
 138
 139             _application.BatteryLow += OnBatteryLow;
 140             _application.LanguageChanged += OnLanguageChanged;
 141             _application.MemoryLow += OnMemoryLow;
 142             _application.RegionChanged += OnRegionChanged;
 143
 144             _application.Initialized += OnInitialized;
 145             _application.Resumed += OnResumed;
 146             _application.Terminating += OnTerminated;
 147             _application.Paused += OnPaused;
 148             _application.AppControl += OnAppControl;
 149
 150             _application.MainLoop();
 151             _application.Dispose();
 152         }
 153
 154         /// <summary>
 155         /// The Region changed event callback function.
 156         /// </summary>
 157         /// <param name="source">The application instance.</param>
 158         /// <param name="e">The event argument for RegionChanged.</param>
 159         private void OnRegionChanged(object source, NUIApplicationRegionChangedEventArgs e)
 160         {
 161             Log.Info("NUI", "NUICorebackend OnRegionChanged Called");
 162             var handler = Handlers[EventType.RegionFormatChanged] as Action<RegionFormatChangedEventArgs>;
 163             handler?.Invoke( new RegionFormatChangedEventArgs((source as Application)?.GetRegion()));
 164         }
 165
 166         /// <summary>
 167         /// The Memory Low event callback function.
 168         /// </summary>
 169         /// <param name="source">The application instance.</param>
 170         /// <param name="e">The event argument for MemoryLow.</param>
 171         private void OnMemoryLow(object source, NUIApplicationMemoryLowEventArgs e)
 172         {
 173             Log.Info("NUI", "NUICorebackend OnMemoryLow Called");
 174             var handler = Handlers[EventType.LowMemory] as Action<LowMemoryEventArgs>;
 175
 176             switch ( e.MemoryStatus )
 177             {
 178                 case Application.MemoryStatus.Normal:
 179                 {
 180                     handler?.Invoke( new LowMemoryEventArgs(LowMemoryStatus.None));
 181                     break;
 182                 }
 183                 case Application.MemoryStatus.Low:
 184                 {
 185                     handler?.Invoke(new LowMemoryEventArgs(LowMemoryStatus.SoftWarning));
 186                     break;
 187                 }
 188                 case Application.MemoryStatus.CriticallyLow:
 189                 {
 190                     handler?.Invoke(new LowMemoryEventArgs(LowMemoryStatus.HardWarning));
 191                     break;
 192                 }
 193             }
 194         }
 195
 196         /// <summary>
 197         /// The Language changed event callback function.
 198         /// </summary>
 199         /// <param name="source">The application instance.</param>
 200         /// <param name="e">The event argument for LanguageChanged.</param>
 201         private void OnLanguageChanged(object source, NUIApplicationLanguageChangedEventArgs e)
 202         {
 203             Log.Info("NUI", "NUICorebackend OnLanguageChanged Called");
 204             var handler = Handlers[EventType.LocaleChanged] as Action<LocaleChangedEventArgs>;
 205             handler?.Invoke( new LocaleChangedEventArgs((source as Application)?.GetLanguage()));
 206         }
 207
 208         /// <summary>
 209         /// The Battery Low event callback function.
 210         /// </summary>
 211         /// <param name="source">The application instance.</param>
 212         /// <param name="e">The event argument for BatteryLow.</param>
 213         private void OnBatteryLow(object source, NUIApplicationBatteryLowEventArgs e)
 214         {
 215             Log.Info("NUI", "NUICorebackend OnBatteryLow Called");
 216             var handler = Handlers[EventType.LowBattery] as Action<LowBatteryEventArgs>;
 217             switch( e.BatteryStatus )
 218             {
 219                 case Application.BatteryStatus.Normal:
 220                 {
 221                     handler?.Invoke(new LowBatteryEventArgs(LowBatteryStatus.None));
 222                     break;
 223                 }
 224                 case Application.BatteryStatus.CriticallyLow:
 225                 {
 226                     handler?.Invoke(new LowBatteryEventArgs(LowBatteryStatus.CriticalLow));
 227                     break;
 228                 }
 229                 case Application.BatteryStatus.PowerOff:
 230                 {
 231                     handler?.Invoke(new LowBatteryEventArgs(LowBatteryStatus.PowerOff));
 232                     break;
 233                 }
 234             }
 235         }
 236
 237         /// <summary>
 238         /// The Initialized event callback function.
 239         /// </summary>
 240         /// <param name="source">The application instance.</param>
 241         /// <param name="e">The event argument for Initialized.</param>
 242         private void OnInitialized(object source, NUIApplicationInitEventArgs e)
 243         {
 244             Log.Info("NUI", "NUICorebackend OnPreCreated Called");
 245             var preCreateHandler = Handlers[EventType.PreCreated] as Action;
 246             preCreateHandler?.Invoke();
 247
 248             Log.Info("NUI", "NUICorebackend OnCreate Called");
 249             var createHandler = Handlers[EventType.Created] as Action;
 250             createHandler?.Invoke();
 251         }
 252
 253         /// <summary>
 254         /// The Terminated event callback function.
 255         /// </summary>
 256         /// <param name="source">The application instance.</param>
 257         /// <param name="e">The event argument for Terminated.</param>
 258         private void OnTerminated(object source, NUIApplicationTerminatingEventArgs e)
 259         {
 260             Log.Info("NUI", "NUICorebackend OnTerminated Called");
 261             var handler = Handlers[EventType.Terminated] as Action;
 262             handler?.Invoke();
 263         }
 264
 265         /// <summary>
 266         /// The Resumed event callback function.
 267         /// </summary>
 268         /// <param name="source">The application instance.</param>
 269         /// <param name="e">The event argument for Resumed.</param>
 270         private void OnResumed(object source, NUIApplicationResumedEventArgs e)
 271         {
 272             Log.Info("NUI", "NUICorebackend OnResumed Called");
 273             var handler = Handlers[EventType.Resumed] as Action;
 274             handler?.Invoke();
 275         }
 276
 277         /// <summary>
 278         /// The App control event callback function.
 279         /// </summary>
 280         /// <param name="source">The application instance.</param>
 281         /// <param name="e">The event argument for AppControl.</param>
 282         private void OnAppControl(object source, NUIApplicationAppControlEventArgs e)
 283         {
 284             Log.Info("NUI", "NUICorebackend OnAppControl Called");
 285             var handler = Handlers[EventType.AppControlReceived] as Action<AppControlReceivedEventArgs>;
 286             SafeAppControlHandle handle = new SafeAppControlHandle(e.VoidP,false);
 287             handler?.Invoke( new AppControlReceivedEventArgs(new ReceivedAppControl(handle)) );
 288         }
 289
 290         /// <summary>
 291         /// The Paused event callback function.
 292         /// </summary>
 293         /// <param name="source">The application instance.</param>
 294         /// <param name="e">The event argument for Paused.</param>
 295         private void OnPaused(object source, NUIApplicationPausedEventArgs e)
 296         {
 297             Log.Info("NUI", "NUICorebackend OnPaused Called");
 298             var handler = Handlers[EventType.Paused] as Action;
 299             handler?.Invoke();
 300         }
 301
 302
 303         internal Application ApplicationHandle
 304         {
 305                 get
 306                 {
 307                         return _application;
 308                 }
 309         }
 310
 311     }
 312 }