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 using Tizen.Applications.CoreBackend;
  21 using Tizen.Applications;
  22
  23 namespace Tizen.NUI
  24 {
  25     class NUICoreBackend : ICoreBackend
  26     {
  27         /// <summary>
  28         /// The Application instance to connect event.
  29         /// </summary>
  30         protected Application _application;
  31         private string _stylesheet = "";
  32         private NUIApplication.WindowMode _windowMode = NUIApplication.WindowMode.Opaque;
  33         private Size2D _windowSize = null;
  34         private Position2D _windowPosition = null;
  35
  36         /// <summary>
  37         /// The Dictionary to contain each type of event callback.
  38         /// </summary>
  39         protected IDictionary<EventType, object> Handlers = new Dictionary<EventType, object>();
  40
  41         /// <summary>
  42         /// The default Constructor.
  43         /// </summary>
  44         public NUICoreBackend()
  45         {
  46         }
  47
  48         /// <summary>
  49         /// The constructor with stylesheet.
  50         /// </summary>
  51         public NUICoreBackend(string stylesheet)
  52         {
  53             _stylesheet = stylesheet;
  54         }
  55
  56         /// <summary>
  57         /// The constructor with stylesheet and window mode.
  58         /// </summary>
  59         public NUICoreBackend(string stylesheet, NUIApplication.WindowMode windowMode)
  60         {
  61             _stylesheet = stylesheet;
  62             _windowMode = windowMode;
  63         }
  64
  65         /// <summary>
  66         /// The constructor with stylesheet, window mode, window size and window position.
  67         /// </summary>
  68         public NUICoreBackend(string stylesheet, NUIApplication.WindowMode windowMode, Size2D windowSize, Position2D windowPosition)
  69         {
  70             _stylesheet = stylesheet;
  71             _windowMode = windowMode;
  72             _windowSize = windowSize;
  73             _windowPosition = windowPosition;
  74         }
  75
  76         /// <summary>
  77         /// Adds NUIApplication event to Application.
  78         /// Puts each type of event callback in Dictionary.
  79         /// </summary>
  80         /// <param name="evType">The type of event.</param>
  81         /// <param name="handler">The event callback.</param>
  82         public void AddEventHandler(EventType evType, Action handler)
  83         {
  84             Handlers.Add(evType, handler);
  85         }
  86
  87         /// <summary>
  88         /// Adds NUIApplication event to Application.
  89         /// Puts each type of event callback in Dictionary.
  90         /// </summary>
  91         /// <typeparam name="TEventArgs">The argument type for the event.</typeparam>
  92         /// <param name="evType">The type of event.</param>
  93         /// <param name="handler">The event callback.</param>
  94         public void AddEventHandler<TEventArgs>(EventType evType, Action<TEventArgs> handler) where TEventArgs : EventArgs
  95         {
  96             Handlers.Add(evType, handler);
  97         }
  98
  99         /// <summary>
 100         /// The Dispose function.
 101         /// </summary>
 102         public void Dispose()
 103         {
 104             if (_application != null)
 105             {
 106                 _application.Dispose();
 107             }
 108         }
 109
 110         /// <summary>
 111         /// The Exit application.
 112         /// </summary>
 113         public void Exit()
 114         {
 115             if (_application != null)
 116             {
 117                 _application.Quit();
 118             }
 119         }
 120
 121         /// <summary>
 122         /// Ensures that the function passed in is called from the main loop when it is idle.
 123         /// </summary>
 124         /// <param name="func">The function to call</param>
 125         /// <returns>true if added successfully, false otherwise</returns>
 126         public bool AddIdle(System.Delegate func)
 127         {
 128             return _application.AddIdle(func);
 129         }
 130
 131         /// <summary>
 132         /// The Run application.
 133         /// </summary>
 134         /// <param name="args">The arguments from commandline.</param>
 135         public void Run(string[] args)
 136         {
 137             TizenSynchronizationContext.Initialize();
 138             NDalicPINVOKE.SWIGStringHelper.RegistCallback();
 139
 140             args[0] = Tizen.Applications.Application.Current.ApplicationInfo.ExecutablePath;
 141             if ("" == args[0])
 142             {
 143                 args[0] = this.GetType().Assembly.FullName;
 144             }
 145
 146             if (args.Length == 1)
 147             {
 148                 if (_windowSize != null)
 149                 {
 150                     _application = Application.NewApplication(_stylesheet, (Application.WindowMode)_windowMode, new Rectangle(_windowPosition.X, _windowPosition.Y, _windowSize.Width, _windowSize.Height));
 151                 }
 152                 else
 153                 {
 154                     _application = Application.NewApplication(_stylesheet, (Application.WindowMode)_windowMode);
 155                 }
 156             }
 157             else if (args.Length > 1)
 158             {
 159                 if (_windowSize != null)
 160                 {
 161                     _application = Application.NewApplication(args, _stylesheet, (Application.WindowMode)_windowMode, new Rectangle(_windowPosition.X, _windowPosition.Y, _windowSize.Width, _windowSize.Height));
 162                 }
 163                 else
 164                 {
 165                     _application = Application.NewApplication(args, _stylesheet, (Application.WindowMode)_windowMode);
 166                 }
 167             }
 168
 169             _application.BatteryLow += OnBatteryLow;
 170             _application.LanguageChanged += OnLanguageChanged;
 171             _application.MemoryLow += OnMemoryLow;
 172             _application.RegionChanged += OnRegionChanged;
 173
 174             _application.Initialized += OnInitialized;
 175             _application.Resumed += OnResumed;
 176             _application.Terminating += OnTerminated;
 177             _application.Paused += OnPaused;
 178             _application.AppControl += OnAppControl;
 179
 180             _application.MainLoop();
 181             _application.Dispose();
 182         }
 183
 184         /// <summary>
 185         /// The Region changed event callback function.
 186         /// </summary>
 187         /// <param name="source">The application instance.</param>
 188         /// <param name="e">The event argument for RegionChanged.</param>
 189         private void OnRegionChanged(object source, NUIApplicationRegionChangedEventArgs e)
 190         {
 191             Log.Info("NUI", "NUICorebackend OnRegionChanged Called");
 192             var handler = Handlers[EventType.RegionFormatChanged] as Action<RegionFormatChangedEventArgs>;
 193             handler?.Invoke(new RegionFormatChangedEventArgs((source as Application)?.GetRegion()));
 194         }
 195
 196         /// <summary>
 197         /// The Memory Low event callback function.
 198         /// </summary>
 199         /// <param name="source">The application instance.</param>
 200         /// <param name="e">The event argument for MemoryLow.</param>
 201         private void OnMemoryLow(object source, NUIApplicationMemoryLowEventArgs e)
 202         {
 203             Log.Info("NUI", "NUICorebackend OnMemoryLow Called");
 204             var handler = Handlers[EventType.LowMemory] as Action<LowMemoryEventArgs>;
 205
 206             switch (e.MemoryStatus)
 207             {
 208                 case Application.MemoryStatus.Normal:
 209                     {
 210                         handler?.Invoke(new LowMemoryEventArgs(LowMemoryStatus.None));
 211                         break;
 212                     }
 213                 case Application.MemoryStatus.Low:
 214                     {
 215                         handler?.Invoke(new LowMemoryEventArgs(LowMemoryStatus.SoftWarning));
 216                         break;
 217                     }
 218                 case Application.MemoryStatus.CriticallyLow:
 219                     {
 220                         handler?.Invoke(new LowMemoryEventArgs(LowMemoryStatus.HardWarning));
 221                         break;
 222                     }
 223             }
 224         }
 225
 226         /// <summary>
 227         /// The Language changed event callback function.
 228         /// </summary>
 229         /// <param name="source">The application instance.</param>
 230         /// <param name="e">The event argument for LanguageChanged.</param>
 231         private void OnLanguageChanged(object source, NUIApplicationLanguageChangedEventArgs e)
 232         {
 233             Log.Info("NUI", "NUICorebackend OnLanguageChanged Called");
 234             var handler = Handlers[EventType.LocaleChanged] as Action<LocaleChangedEventArgs>;
 235             handler?.Invoke(new LocaleChangedEventArgs((source as Application)?.GetLanguage()));
 236         }
 237
 238         /// <summary>
 239         /// The Battery Low event callback function.
 240         /// </summary>
 241         /// <param name="source">The application instance.</param>
 242         /// <param name="e">The event argument for BatteryLow.</param>
 243         private void OnBatteryLow(object source, NUIApplicationBatteryLowEventArgs e)
 244         {
 245             Log.Info("NUI", "NUICorebackend OnBatteryLow Called");
 246             var handler = Handlers[EventType.LowBattery] as Action<LowBatteryEventArgs>;
 247             switch (e.BatteryStatus)
 248             {
 249                 case Application.BatteryStatus.Normal:
 250                     {
 251                         handler?.Invoke(new LowBatteryEventArgs(LowBatteryStatus.None));
 252                         break;
 253                     }
 254                 case Application.BatteryStatus.CriticallyLow:
 255                     {
 256                         handler?.Invoke(new LowBatteryEventArgs(LowBatteryStatus.CriticalLow));
 257                         break;
 258                     }
 259                 case Application.BatteryStatus.PowerOff:
 260                     {
 261                         handler?.Invoke(new LowBatteryEventArgs(LowBatteryStatus.PowerOff));
 262                         break;
 263                     }
 264             }
 265         }
 266
 267         /// <summary>
 268         /// The Initialized event callback function.
 269         /// </summary>
 270         /// <param name="source">The application instance.</param>
 271         /// <param name="e">The event argument for Initialized.</param>
 272         private void OnInitialized(object source, NUIApplicationInitEventArgs e)
 273         {
 274             Log.Info("NUI", "NUICorebackend OnPreCreated Called");
 275             var preCreateHandler = Handlers[EventType.PreCreated] as Action;
 276             preCreateHandler?.Invoke();
 277
 278             Log.Info("NUI", "NUICorebackend OnCreate Called");
 279             var createHandler = Handlers[EventType.Created] as Action;
 280             createHandler?.Invoke();
 281         }
 282
 283         /// <summary>
 284         /// The Terminated event callback function.
 285         /// </summary>
 286         /// <param name="source">The application instance.</param>
 287         /// <param name="e">The event argument for Terminated.</param>
 288         private void OnTerminated(object source, NUIApplicationTerminatingEventArgs e)
 289         {
 290             Log.Info("NUI", "NUICorebackend OnTerminated Called");
 291             var handler = Handlers[EventType.Terminated] as Action;
 292             handler?.Invoke();
 293         }
 294
 295         /// <summary>
 296         /// The Resumed event callback function.
 297         /// </summary>
 298         /// <param name="source">The application instance.</param>
 299         /// <param name="e">The event argument for Resumed.</param>
 300         private void OnResumed(object source, NUIApplicationResumedEventArgs e)
 301         {
 302             Log.Info("NUI", "NUICorebackend OnResumed Called");
 303             var handler = Handlers[EventType.Resumed] as Action;
 304             handler?.Invoke();
 305         }
 306
 307         /// <summary>
 308         /// The App control event callback function.
 309         /// </summary>
 310         /// <param name="source">The application instance.</param>
 311         /// <param name="e">The event argument for AppControl.</param>
 312         private void OnAppControl(object source, NUIApplicationAppControlEventArgs e)
 313         {
 314             Log.Info("NUI", "NUICorebackend OnAppControl Called");
 315             var handler = Handlers[EventType.AppControlReceived] as Action<AppControlReceivedEventArgs>;
 316             SafeAppControlHandle handle = new SafeAppControlHandle(e.VoidP, false);
 317             handler?.Invoke(new AppControlReceivedEventArgs(new ReceivedAppControl(handle)));
 318         }
 319
 320         /// <summary>
 321         /// The Paused event callback function.
 322         /// </summary>
 323         /// <param name="source">The application instance.</param>
 324         /// <param name="e">The event argument for Paused.</param>
 325         private void OnPaused(object source, NUIApplicationPausedEventArgs e)
 326         {
 327             Log.Info("NUI", "NUICorebackend OnPaused Called");
 328             var handler = Handlers[EventType.Paused] as Action;
 329             handler?.Invoke();
 330         }
 331
 332         internal Application ApplicationHandle
 333         {
 334             get
 335             {
 336                 return _application;
 337             }
 338         }
 339     }
 340 }