src/Tizen.NUI/src/public/Window.cs

   1 /*
   2  * Copyright(c) 2019 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 extern alias TizenSystemInformation;
  19 using TizenSystemInformation.Tizen.System;
  20 using global::System;
  21 using System.ComponentModel;
  22 using System.Collections.Generic;
  23 using global::System.Runtime.InteropServices;
  24 using Tizen.NUI.BaseComponents;
  25
  26 namespace Tizen.NUI
  27 {
  28     /// <summary>
  29     /// The window class is used internally for drawing.<br />
  30     /// The window has an orientation and indicator properties.<br />
  31     /// </summary>
  32     /// <since_tizen> 3 </since_tizen>
  33     public partial class Window : BaseHandle
  34     {
  35         private static readonly Window instance = Application.Instance?.GetWindow();
  36         private global::System.Runtime.InteropServices.HandleRef stageCPtr;
  37         private Layer _rootLayer;
  38         private string _windowTitle;
  39         private List<Layer> _childLayers = new List<Layer>();
  40         private LayoutController localController;
  41
  42         private bool IsSupportedMultiWindow()
  43         {
  44             bool isSupported = false;
  45             Information.TryGetValue("http://tizen.org/feature/opengles.surfaceless_context", out isSupported);
  46             return isSupported;
  47         }
  48
  49         internal Window(global::System.IntPtr cPtr, bool cMemoryOwn) : base(Interop.Window.Window_SWIGUpcast(cPtr), cMemoryOwn)
  50         {
  51             if (Interop.Stage.Stage_IsInstalled())
  52             {
  53                 stageCPtr = new global::System.Runtime.InteropServices.HandleRef(this, Interop.Stage.Stage_GetCurrent());
  54
  55                 localController = new LayoutController(this);
  56                 NUILog.Debug("layoutController id:" + localController.GetId());
  57             }
  58         }
  59
  60         /// <summary>
  61         /// Creates a new Window.<br />
  62         /// This creates an extra window in addition to the default main window<br />
  63         /// </summary>
  64         /// <param name="windowPosition">The position and size of the Window.</param>
  65         /// <param name="isTranslucent">Whether Window is translucent.</param>
  66         /// <returns>A new Window.</returns>
  67         /// <since_tizen> 6 </since_tizen>
  68         /// <feature> http://tizen.org/feature/opengles.surfaceless_context </feature>
  69         /// <exception cref="NotSupportedException">The required feature is not supported.</exception>
  70         public Window(Rectangle windowPosition = null, bool isTranslucent = false) : this(Interop.Window.Window_New__SWIG_0(Rectangle.getCPtr(windowPosition), "", isTranslucent), true)
  71         {
  72             if (IsSupportedMultiWindow() == false)
  73             {
  74                 NUILog.Error("This device does not support surfaceless_context. So Window cannot be created. ");
  75             }
  76             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
  77         }
  78
  79         /// <summary>
  80         /// Creates a new Window with a specific name.<br />
  81         /// This creates an extra window in addition to the default main window<br />
  82         /// </summary>
  83         /// <param name="name">The name for extra window. </param>
  84         /// <param name="windowPosition">The position and size of the Window.</param>
  85         /// <param name="isTranslucent">Whether Window is translucent.</param>
  86         /// <returns>A new Window.</returns>
  87         /// <since_tizen> 6 </since_tizen>
  88         /// <feature> http://tizen.org/feature/opengles.surfaceless_context </feature>
  89         /// <exception cref="NotSupportedException">The required feature is not supported.</exception>
  90         public Window(string name, Rectangle windowPosition = null, bool isTranslucent = false) : this(Interop.Window.Window_New__SWIG_0(Rectangle.getCPtr(windowPosition), name, isTranslucent), true)
  91         {
  92             if (IsSupportedMultiWindow() == false)
  93             {
  94                 NUILog.Error("This device does not support surfaceless_context. So Window cannot be created. ");
  95             }
  96             this._windowTitle = name;
  97             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
  98         }
  99
 100         /// <summary>
 101         /// Enumeration for orientation of the window is the way in which a rectangular page is oriented for normal viewing.
 102         /// </summary>
 103         /// <since_tizen> 3 </since_tizen>
 104         public enum WindowOrientation
 105         {
 106             /// <summary>
 107             /// Portrait orientation. The height of the display area is greater than the width.
 108             /// </summary>
 109             /// <since_tizen> 3 </since_tizen>
 110             Portrait = 0,
 111             /// <summary>
 112             /// Landscape orientation. A wide view area is needed.
 113             /// </summary>
 114             /// <since_tizen> 3 </since_tizen>
 115             Landscape = 90,
 116             /// <summary>
 117             /// Portrait inverse orientation.
 118             /// </summary>
 119             /// <since_tizen> 3 </since_tizen>
 120             PortraitInverse = 180,
 121             /// <summary>
 122             /// Landscape inverse orientation.
 123             /// </summary>
 124             /// <since_tizen> 3 </since_tizen>
 125             LandscapeInverse = 270,
 126             /// <summary>
 127             /// No orientation. It is for the preferred orientation
 128             /// Especially, NoOrientationPreference only has the effect for the preferred orientation.
 129             /// It is used to unset the preferred orientation with SetPreferredOrientation.
 130             /// </summary>
 131             [EditorBrowsable(EditorBrowsableState.Never)]
 132             NoOrientationPreference = -1
 133         }
 134
 135         /// <summary>
 136         /// Enumeration for the key grab mode for platform-level APIs.
 137         /// </summary>
 138         /// <since_tizen> 3 </since_tizen>
 139         public enum KeyGrabMode
 140         {
 141             /// <summary>
 142             /// Grabs a key only when on the top of the grabbing-window stack mode.
 143             /// </summary>
 144             Topmost = 0,
 145             /// <summary>
 146             /// Grabs a key together with the other client window(s) mode.
 147             /// </summary>
 148             Shared,
 149             /// <summary>
 150             /// Grabs a key exclusively regardless of the grabbing-window's position on the window stack with the possibility of overriding the grab by the other client window mode.
 151             /// </summary>
 152             OverrideExclusive,
 153             /// <summary>
 154             /// Grabs a key exclusively regardless of the grabbing-window's position on the window stack mode.
 155             /// </summary>
 156             Exclusive
 157         };
 158
 159         /// <summary>
 160         /// Enumeration for transition effect's state.
 161         /// </summary>
 162         [EditorBrowsable(EditorBrowsableState.Never)]
 163         public enum EffectStates
 164         {
 165             /// <summary>
 166             /// None state.
 167             /// </summary>
 168             [EditorBrowsable(EditorBrowsableState.Never)]
 169             None = 0,
 170             /// <summary>
 171             /// Transition effect is started.
 172             /// </summary>
 173             [EditorBrowsable(EditorBrowsableState.Never)]
 174             Start,
 175             /// <summary>
 176             /// Transition effect is ended.
 177             /// </summary>
 178             [EditorBrowsable(EditorBrowsableState.Never)]
 179             End,
 180         }
 181
 182         /// <summary>
 183         /// Enumeration for transition effect's type.
 184         /// </summary>
 185         [EditorBrowsable(EditorBrowsableState.Never)]
 186         public enum EffectTypes
 187         {
 188             /// <summary>
 189             /// None type.
 190             /// </summary>
 191             [EditorBrowsable(EditorBrowsableState.Never)]
 192             None = 0,
 193             /// <summary>
 194             /// Window show effect.
 195             /// </summary>
 196             [EditorBrowsable(EditorBrowsableState.Never)]
 197             Show,
 198             /// <summary>
 199             /// Window hide effect.
 200             /// </summary>
 201             [EditorBrowsable(EditorBrowsableState.Never)]
 202             Hide,
 203         }
 204
 205         /// <summary>
 206         /// The stage instance property (read-only).<br />
 207         /// Gets the current window.<br />
 208         /// </summary>
 209         /// <since_tizen> 3 </since_tizen>
 210         public static Window Instance
 211         {
 212             get
 213             {
 214                 return instance;
 215             }
 216         }
 217
 218         /// <summary>
 219         /// Gets or sets a window type.
 220         /// </summary>
 221         /// <since_tizen> 3 </since_tizen>
 222         public WindowType Type
 223         {
 224             get
 225             {
 226                 WindowType ret = (WindowType)Interop.Window.GetType(swigCPtr);
 227                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 228                 return ret;
 229             }
 230             set
 231             {
 232                 Interop.Window.SetType(swigCPtr, (int)value);
 233                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 234             }
 235         }
 236
 237         /// <summary>
 238         /// Gets/Sets a window title.
 239         /// </summary>
 240         /// <since_tizen> 4 </since_tizen>
 241         public string Title
 242         {
 243             get
 244             {
 245                 return _windowTitle;
 246             }
 247             set
 248             {
 249                 _windowTitle = value;
 250                 SetClass(_windowTitle, "");
 251             }
 252         }
 253
 254         /// <summary>
 255         /// The rendering behavior of a Window.
 256         /// </summary>
 257         /// <since_tizen> 5 </since_tizen>
 258         public RenderingBehaviorType RenderingBehavior
 259         {
 260             get
 261             {
 262                 return GetRenderingBehavior();
 263             }
 264             set
 265             {
 266                 SetRenderingBehavior(value);
 267             }
 268         }
 269
 270         /// <summary>
 271         /// The window size property (read-only).
 272         /// </summary>
 273         /// <since_tizen> 3 </since_tizen>
 274         public Size2D Size
 275         {
 276             get
 277             {
 278                 Size2D ret = GetSize();
 279                 return ret;
 280             }
 281         }
 282
 283         /// <summary>
 284         /// The background color property.
 285         /// </summary>
 286         /// <since_tizen> 3 </since_tizen>
 287         public Color BackgroundColor
 288         {
 289             set
 290             {
 291                 SetBackgroundColor(value);
 292             }
 293             get
 294             {
 295                 Color ret = GetBackgroundColor();
 296                 return ret;
 297             }
 298         }
 299
 300         /// <summary>
 301         /// The DPI property (read-only).<br />
 302         /// Retrieves the DPI of the display device to which the Window is connected.<br />
 303         /// </summary>
 304         /// <since_tizen> 3 </since_tizen>
 305         public Vector2 Dpi
 306         {
 307             get
 308             {
 309                 return GetDpi();
 310             }
 311         }
 312
 313         /// <summary>
 314         /// The layer count property (read-only).<br />
 315         /// Queries the number of on-Window layers.<br />
 316         /// </summary>
 317         /// <since_tizen> 3 </since_tizen>
 318         public uint LayerCount
 319         {
 320             get
 321             {
 322                 return GetLayerCount();
 323             }
 324         }
 325
 326         /// <summary>
 327         /// Gets or sets a size of the window.
 328         /// </summary>
 329         /// <since_tizen> 4 </since_tizen>
 330         public Size2D WindowSize
 331         {
 332             get
 333             {
 334                 return GetWindowSize();
 335             }
 336             set
 337             {
 338                 SetWindowSize(value);
 339             }
 340         }
 341
 342         /// <summary>
 343         /// Gets or sets a position of the window.
 344         /// </summary>
 345         /// <since_tizen> 4 </since_tizen>
 346         public Position2D WindowPosition
 347         {
 348             get
 349             {
 350                 return GetPosition();
 351             }
 352             set
 353             {
 354                 SetPosition(value);
 355             }
 356         }
 357
 358         /// <summary>
 359         /// Sets position and size of the window. This API guarantees that
 360         /// both moving and resizing of window will appear on the screen at once.
 361         /// </summary>
 362         [EditorBrowsable(EditorBrowsableState.Never)]
 363         public Rectangle WindowPositionSize
 364         {
 365             get
 366             {
 367                 Position2D position = GetPosition();
 368                 Size2D size = GetSize();
 369                 Rectangle ret = new Rectangle(position.X, position.Y, size.Width, size.Height);
 370                 return ret;
 371             }
 372             set
 373             {
 374                 SetPositionSize(value);
 375             }
 376         }
 377
 378         internal static Vector4 DEFAULT_BACKGROUND_COLOR
 379         {
 380             get
 381             {
 382                 global::System.IntPtr cPtr = Interop.Stage.Stage_DEFAULT_BACKGROUND_COLOR_get();
 383                 Vector4 ret = (cPtr == global::System.IntPtr.Zero) ? null : new Vector4(cPtr, false);
 384                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 385                 return ret;
 386             }
 387         }
 388
 389         internal static Vector4 DEBUG_BACKGROUND_COLOR
 390         {
 391             get
 392             {
 393                 global::System.IntPtr cPtr = Interop.Stage.Stage_DEBUG_BACKGROUND_COLOR_get();
 394                 Vector4 ret = (cPtr == global::System.IntPtr.Zero) ? null : new Vector4(cPtr, false);
 395                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 396                 return ret;
 397             }
 398         }
 399
 400         internal List<Layer> LayersChildren
 401         {
 402             get
 403             {
 404                 return _childLayers;
 405             }
 406         }
 407
 408         /// <summary>
 409         ///  Get the LayoutController for this Window.
 410         /// </summary>
 411         internal LayoutController LayoutController
 412         {
 413             get
 414             {
 415                 return localController;
 416             }
 417         }
 418
 419         /// <summary>
 420         /// Feed a key-event into the window.
 421         /// </summary>
 422         /// <param name="keyEvent">The key event to feed.</param>
 423         /// <since_tizen> 4 </since_tizen>
 424         [Obsolete("Please do not use! This will be deprecated! Please use FeedKey(Key keyEvent) instead!")]
 425         public static void FeedKeyEvent(Key keyEvent)
 426         {
 427             Interop.Window.Window_FeedKeyEvent(Key.getCPtr(keyEvent));
 428             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 429         }
 430
 431         /// <summary>
 432         /// Sets whether the window accepts a focus or not.
 433         /// </summary>
 434         /// <param name="accept">If a focus is accepted or not. The default is true.</param>
 435         /// <since_tizen> 3 </since_tizen>
 436         public void SetAcceptFocus(bool accept)
 437         {
 438             Interop.Window.SetAcceptFocus(swigCPtr, accept);
 439             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 440         }
 441
 442         /// <summary>
 443         /// Returns whether the window accepts a focus or not.
 444         /// </summary>
 445         /// <returns>True if the window accepts a focus, false otherwise.</returns>
 446         /// <since_tizen> 3 </since_tizen>
 447         public bool IsFocusAcceptable()
 448         {
 449             bool ret = Interop.Window.IsFocusAcceptable(swigCPtr);
 450             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 451
 452             return ret;
 453         }
 454
 455         /// <summary>
 456         /// Shows the window if it is hidden.
 457         /// </summary>
 458         /// <since_tizen> 3 </since_tizen>
 459         public void Show()
 460         {
 461             Interop.Window.Show(swigCPtr);
 462             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 463         }
 464
 465         /// <summary>
 466         /// Hides the window if it is showing.
 467         /// </summary>
 468         /// <since_tizen> 3 </since_tizen>
 469         public void Hide()
 470         {
 471             Interop.Window.Hide(swigCPtr);
 472             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 473         }
 474
 475         /// <summary>
 476         /// Retrieves whether the window is visible or not.
 477         /// </summary>
 478         /// <returns>True if the window is visible.</returns>
 479         /// <since_tizen> 3 </since_tizen>
 480         public bool IsVisible()
 481         {
 482             bool temp = Interop.Window.IsVisible(swigCPtr);
 483             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 484             return temp;
 485         }
 486
 487         /// <summary>
 488         /// Gets the count of supported auxiliary hints of the window.
 489         /// </summary>
 490         /// <returns>The number of supported auxiliary hints.</returns>
 491         /// <since_tizen> 3 </since_tizen>
 492         public uint GetSupportedAuxiliaryHintCount()
 493         {
 494             uint ret = Interop.Window.GetSupportedAuxiliaryHintCount(swigCPtr);
 495             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 496             return ret;
 497         }
 498
 499         /// <summary>
 500         /// Gets the supported auxiliary hint string of the window.
 501         /// </summary>
 502         /// <param name="index">The index of the supported auxiliary hint lists.</param>
 503         /// <returns>The auxiliary hint string of the index.</returns>
 504         /// <since_tizen> 3 </since_tizen>
 505         public string GetSupportedAuxiliaryHint(uint index)
 506         {
 507             string ret = Interop.Window.GetSupportedAuxiliaryHint(swigCPtr, index);
 508             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 509             return ret;
 510         }
 511
 512         /// <summary>
 513         /// Creates an auxiliary hint of the window.
 514         /// </summary>
 515         /// <param name="hint">The auxiliary hint string.</param>
 516         /// <param name="value">The value string.</param>
 517         /// <returns>The ID of created auxiliary hint, or 0 on failure.</returns>
 518         /// <since_tizen> 3 </since_tizen>
 519         public uint AddAuxiliaryHint(string hint, string value)
 520         {
 521             uint ret = Interop.Window.AddAuxiliaryHint(swigCPtr, hint, value);
 522             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 523             return ret;
 524         }
 525
 526         /// <summary>
 527         /// Removes an auxiliary hint of the window.
 528         /// </summary>
 529         /// <param name="id">The ID of the auxiliary hint.</param>
 530         /// <returns>True if no error occurred, false otherwise.</returns>
 531         /// <since_tizen> 3 </since_tizen>
 532         public bool RemoveAuxiliaryHint(uint id)
 533         {
 534             bool ret = Interop.Window.RemoveAuxiliaryHint(swigCPtr, id);
 535             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 536             return ret;
 537         }
 538
 539         /// <summary>
 540         /// Changes a value of the auxiliary hint.
 541         /// </summary>
 542         /// <param name="id">The auxiliary hint ID.</param>
 543         /// <param name="value">The value string to be set.</param>
 544         /// <returns>True if no error occurred, false otherwise.</returns>
 545         /// <since_tizen> 3 </since_tizen>
 546         public bool SetAuxiliaryHintValue(uint id, string value)
 547         {
 548             bool ret = Interop.Window.SetAuxiliaryHintValue(swigCPtr, id, value);
 549             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 550             return ret;
 551         }
 552
 553         /// <summary>
 554         /// Gets a value of the auxiliary hint.
 555         /// </summary>
 556         /// <param name="id">The auxiliary hint ID.</param>
 557         /// <returns>The string value of the auxiliary hint ID, or an empty string if none exists.</returns>
 558         /// <since_tizen> 3 </since_tizen>
 559         public string GetAuxiliaryHintValue(uint id)
 560         {
 561             string ret = Interop.Window.GetAuxiliaryHintValue(swigCPtr, id);
 562             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 563             return ret;
 564         }
 565
 566         /// <summary>
 567         /// Gets an ID of the auxiliary hint string.
 568         /// </summary>
 569         /// <param name="hint">The auxiliary hint string.</param>
 570         /// <returns>The ID of auxiliary hint string, or 0 on failure.</returns>
 571         /// <since_tizen> 3 </since_tizen>
 572         public uint GetAuxiliaryHintId(string hint)
 573         {
 574             uint ret = Interop.Window.GetAuxiliaryHintId(swigCPtr, hint);
 575             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 576             return ret;
 577         }
 578
 579         /// <summary>
 580         /// Sets a region to accept input events.
 581         /// </summary>
 582         /// <param name="inputRegion">The region to accept input events.</param>
 583         /// <since_tizen> 3 </since_tizen>
 584         public void SetInputRegion(Rectangle inputRegion)
 585         {
 586             Interop.Window.SetInputRegion(swigCPtr, Rectangle.getCPtr(inputRegion));
 587             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 588         }
 589
 590         /// <summary>
 591         /// Sets a priority level for the specified notification window.
 592         /// </summary>
 593         /// <param name="level">The notification window level.</param>
 594         /// <returns>True if no error occurred, false otherwise.</returns>
 595         /// <since_tizen> 3 </since_tizen>
 596         public bool SetNotificationLevel(NotificationLevel level)
 597         {
 598             bool ret = Interop.Window.SetNotificationLevel(swigCPtr, (int)level);
 599             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 600             return ret;
 601         }
 602
 603         /// <summary>
 604         /// Gets a priority level for the specified notification window.
 605         /// </summary>
 606         /// <returns>The notification window level.</returns>
 607         /// <since_tizen> 3 </since_tizen>
 608         public NotificationLevel GetNotificationLevel()
 609         {
 610             NotificationLevel ret = (NotificationLevel)Interop.Window.GetNotificationLevel(swigCPtr);
 611             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 612             return ret;
 613         }
 614
 615         /// <summary>
 616         /// Sets a transparent window's visual state to opaque. <br />
 617         /// If a visual state of a transparent window is opaque, <br />
 618         /// then the window manager could handle it as an opaque window when calculating visibility.
 619         /// </summary>
 620         /// <param name="opaque">Whether the window's visual state is opaque.</param>
 621         /// <remarks>This will have no effect on an opaque window. <br />
 622         /// It doesn't change transparent window to opaque window but lets the window manager know the visual state of the window.
 623         /// </remarks>
 624         /// <since_tizen> 3 </since_tizen>
 625         public void SetOpaqueState(bool opaque)
 626         {
 627             Interop.Window.SetOpaqueState(swigCPtr, opaque);
 628             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 629         }
 630
 631         /// <summary>
 632         /// Returns whether a transparent window's visual state is opaque or not.
 633         /// </summary>
 634         /// <returns>True if the window's visual state is opaque, false otherwise.</returns>
 635         /// <remarks> The return value has no meaning on an opaque window. </remarks>
 636         /// <since_tizen> 3 </since_tizen>
 637         public bool IsOpaqueState()
 638         {
 639             bool ret = Interop.Window.IsOpaqueState(swigCPtr);
 640             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 641             return ret;
 642         }
 643
 644         /// <summary>
 645         /// Sets a window's screen off mode.
 646         /// </summary>
 647         /// <param name="screenOffMode">The screen mode.</param>
 648         /// <returns>True if no error occurred, false otherwise.</returns>
 649         /// <since_tizen> 4 </since_tizen>
 650         public bool SetScreenOffMode(ScreenOffMode screenOffMode)
 651         {
 652             bool ret = Interop.Window.SetScreenOffMode(swigCPtr, (int)screenOffMode);
 653             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 654             return ret;
 655         }
 656
 657         /// <summary>
 658         /// Gets the screen mode of the window.
 659         /// </summary>
 660         /// <returns>The screen off mode.</returns>
 661         /// <since_tizen> 4 </since_tizen>
 662         public ScreenOffMode GetScreenOffMode()
 663         {
 664             ScreenOffMode ret = (ScreenOffMode)Interop.Window.GetScreenOffMode(swigCPtr);
 665             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 666             return ret;
 667         }
 668
 669         /// <summary>
 670         /// Sets preferred brightness of the window.
 671         /// </summary>
 672         /// <param name="brightness">The preferred brightness (0 to 100).</param>
 673         /// <returns>True if no error occurred, false otherwise.</returns>
 674         /// <since_tizen> 3 </since_tizen>
 675         public bool SetBrightness(int brightness)
 676         {
 677             bool ret = Interop.Window.SetBrightness(swigCPtr, brightness);
 678             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 679             return ret;
 680         }
 681
 682         /// <summary>
 683         /// Gets the preferred brightness of the window.
 684         /// </summary>
 685         /// <returns>The preferred brightness.</returns>
 686         /// <since_tizen> 3 </since_tizen>
 687         public int GetBrightness()
 688         {
 689             int ret = Interop.Window.GetBrightness(swigCPtr);
 690             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 691             return ret;
 692         }
 693
 694         /// <summary>
 695         /// Sets the window name and the class string.
 696         /// </summary>
 697         /// <param name="name">The name of the window.</param>
 698         /// <param name="klass">The class of the window.</param>
 699         /// <since_tizen> 4 </since_tizen>
 700         public void SetClass(string name, string klass)
 701         {
 702             Interop.Window.Window_SetClass(swigCPtr, name, klass);
 703             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 704         }
 705
 706         /// <summary>
 707         /// Raises the window to the top of the window stack.
 708         /// </summary>
 709         /// <since_tizen> 3 </since_tizen>
 710         public void Raise()
 711         {
 712             Interop.Window.Window_Raise(swigCPtr);
 713             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 714         }
 715
 716         /// <summary>
 717         /// Lowers the window to the bottom of the window stack.
 718         /// </summary>
 719         /// <since_tizen> 3 </since_tizen>
 720         public void Lower()
 721         {
 722             Interop.Window.Window_Lower(swigCPtr);
 723             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 724         }
 725
 726         /// <summary>
 727         /// Activates the window to the top of the window stack even it is iconified.
 728         /// </summary>
 729         /// <since_tizen> 3 </since_tizen>
 730         public void Activate()
 731         {
 732             Interop.Window.Window_Activate(swigCPtr);
 733             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 734         }
 735
 736         /// <summary>
 737         /// Gets the default ( root ) layer.
 738         /// </summary>
 739         /// <returns>The root layer.</returns>
 740         /// <since_tizen> 3 </since_tizen>
 741         public Layer GetDefaultLayer()
 742         {
 743             return this.GetRootLayer();
 744         }
 745
 746         /// <summary>
 747         /// Add a child view to window.
 748         /// </summary>
 749         /// <param name="view">the child should be added to the window.</param>
 750         /// <since_tizen> 3 </since_tizen>
 751         public void Add(View view)
 752         {
 753             Interop.Actor.Actor_Add(Layer.getCPtr(GetRootLayer()), View.getCPtr(view));
 754             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 755             this.GetRootLayer().AddViewToLayerList(view); // Maintain the children list in the Layer
 756             view.InternalParent = this.GetRootLayer();
 757         }
 758
 759         /// <summary>
 760         /// Remove a child view from window.
 761         /// </summary>
 762         /// <param name="view">the child to be removed.</param>
 763         /// <since_tizen> 3 </since_tizen>
 764         public void Remove(View view)
 765         {
 766             Interop.Actor.Actor_Remove(Layer.getCPtr(GetRootLayer()), View.getCPtr(view));
 767             this.GetRootLayer().RemoveViewFromLayerList(view); // Maintain the children list in the Layer
 768             view.InternalParent = null;
 769         }
 770
 771         /// <summary>
 772         /// Retrieves the layer at a specified depth.
 773         /// </summary>
 774         /// <param name="depth">The layer's depth index.</param>
 775         /// <returns>The layer found at the given depth.</returns>
 776         /// <since_tizen> 3 </since_tizen>
 777         public Layer GetLayer(uint depth)
 778         {
 779             if (depth < LayersChildren?.Count)
 780             {
 781                 Layer ret = LayersChildren?[Convert.ToInt32(depth)];
 782                 return ret;
 783             }
 784             else
 785             {
 786                 return null;
 787             }
 788         }
 789
 790         /// <summary>
 791         /// Destroy the window immediately.
 792         /// </summary>
 793         [EditorBrowsable(EditorBrowsableState.Never)]
 794         public void Destroy()
 795         {
 796             this.Dispose();
 797         }
 798
 799         /// <summary>
 800         /// Keep rendering for at least the given amount of time.
 801         /// </summary>
 802         /// <param name="durationSeconds">Time to keep rendering, 0 means render at least one more frame.</param>
 803         /// <since_tizen> 3 </since_tizen>
 804         public void KeepRendering(float durationSeconds)
 805         {
 806             Interop.Stage.Stage_KeepRendering(stageCPtr, durationSeconds);
 807             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 808         }
 809
 810         /// <summary>
 811         /// Grabs the key specified by a key for a window only when a window is the topmost window.<br />
 812         /// This function can be used for following example scenarios: <br />
 813         /// - Mobile - Using volume up or down as zoom up or down in camera apps.<br />
 814         /// </summary>
 815         /// <param name="DaliKey">The key code to grab.</param>
 816         /// <returns>True if the grab succeeds.</returns>
 817         /// <since_tizen> 3 </since_tizen>
 818         public bool GrabKeyTopmost(int DaliKey)
 819         {
 820             bool ret = Interop.Window.GrabKeyTopmost(HandleRef.ToIntPtr(this.swigCPtr), DaliKey);
 821             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 822             return ret;
 823         }
 824
 825         /// <summary>
 826         /// Ungrabs the key specified by a key for the window.<br />
 827         /// Note: If this function is called between key down and up events of a grabbed key, an application doesn't receive the key up event.<br />
 828         /// </summary>
 829         /// <param name="DaliKey">The key code to ungrab.</param>
 830         /// <returns>True if the ungrab succeeds.</returns>
 831         /// <since_tizen> 3 </since_tizen>
 832         public bool UngrabKeyTopmost(int DaliKey)
 833         {
 834             bool ret = Interop.Window.UngrabKeyTopmost(HandleRef.ToIntPtr(this.swigCPtr), DaliKey);
 835             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 836             return ret;
 837         }
 838
 839         /// <summary>
 840         ///  Grabs the key specified by a key for a window in a GrabMode. <br />
 841         ///  Details: This function can be used for following example scenarios: <br />
 842         ///  - TV - A user might want to change the volume or channel of the background TV contents while focusing on the foregrund app. <br />
 843         ///  - Mobile - When a user presses the Home key, the homescreen appears regardless of the current foreground app. <br />
 844         ///  - Mobile - Using the volume up or down as zoom up or down in camera apps. <br />
 845         /// </summary>
 846         /// <param name="DaliKey">The key code to grab.</param>
 847         /// <param name="GrabMode">The grab mode for the key.</param>
 848         /// <returns>True if the grab succeeds.</returns>
 849         /// <since_tizen> 3 </since_tizen>
 850         public bool GrabKey(int DaliKey, KeyGrabMode GrabMode)
 851         {
 852             bool ret = Interop.Window.GrabKey(HandleRef.ToIntPtr(this.swigCPtr), DaliKey, (int)GrabMode);
 853             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 854             return ret;
 855         }
 856
 857         /// <summary>
 858         /// Ungrabs the key specified by a key for a window.<br />
 859         /// Note: If this function is called between key down and up events of a grabbed key, an application doesn't receive the key up event. <br />
 860         /// </summary>
 861         /// <param name="DaliKey">The key code to ungrab.</param>
 862         /// <returns>True if the ungrab succeeds.</returns>
 863         /// <since_tizen> 3 </since_tizen>
 864         public bool UngrabKey(int DaliKey)
 865         {
 866             bool ret = Interop.Window.UngrabKey(HandleRef.ToIntPtr(this.swigCPtr), DaliKey);
 867             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 868             return ret;
 869         }
 870
 871         /// <summary>
 872         /// Sets the keyboard repeat information.
 873         /// </summary>
 874         /// <param name="rate">The key repeat rate value in seconds.</param>
 875         /// <param name="delay">The key repeat delay value in seconds.</param>
 876         /// <returns>True if setting the keyboard repeat succeeds.</returns>
 877         /// <since_tizen> 5 </since_tizen>
 878         public bool SetKeyboardRepeatInfo(float rate, float delay)
 879         {
 880             bool ret = Interop.Window.SetKeyboardRepeatInfo(rate, delay);
 881             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 882             return ret;
 883         }
 884
 885         /// <summary>
 886         /// Gets the keyboard repeat information.
 887         /// </summary>
 888         /// <param name="rate">The key repeat rate value in seconds.</param>
 889         /// <param name="delay">The key repeat delay value in seconds.</param>
 890         /// <returns>True if setting the keyboard repeat succeeds.</returns>
 891         /// <since_tizen> 5 </since_tizen>
 892         public bool GetKeyboardRepeatInfo(out float rate, out float delay)
 893         {
 894             bool ret = Interop.Window.GetKeyboardRepeatInfo(out rate, out delay);
 895             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 896             return ret;
 897         }
 898
 899         /// <summary>
 900         /// Adds a layer to the stage.
 901         /// </summary>
 902         /// <param name="layer">Layer to add.</param>
 903         /// <since_tizen> 3 </since_tizen>
 904         public void AddLayer(Layer layer)
 905         {
 906             Add(layer);
 907         }
 908
 909         /// <summary>
 910         /// Removes a layer from the stage.
 911         /// </summary>
 912         /// <param name="layer">Layer to remove.</param>
 913         /// <since_tizen> 3 </since_tizen>
 914         public void RemoveLayer(Layer layer)
 915         {
 916             Remove(layer);
 917         }
 918
 919         /// <summary>
 920         /// Feeds a key event into the window.
 921         /// </summary>
 922         /// <param name="keyEvent">The key event to feed.</param>
 923         /// <since_tizen> 5 </since_tizen>
 924         public void FeedKey(Key keyEvent)
 925         {
 926             Interop.Window.Window_FeedKeyEvent(Key.getCPtr(keyEvent));
 927             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 928         }
 929
 930         /// <summary>
 931         /// Allows at least one more render, even when paused.
 932         /// The window should be shown, not minimised.
 933         /// </summary>
 934         /// <since_tizen> 4 </since_tizen>
 935         public void RenderOnce()
 936         {
 937             Interop.Window.Window_RenderOnce(swigCPtr);
 938             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 939         }
 940
 941         /// <summary>
 942         /// Sets whether the window is transparent or not.
 943         /// </summary>
 944         /// <param name="transparent">Whether the window is transparent or not.</param>
 945         /// <since_tizen> 5 </since_tizen>
 946         public void SetTransparency(bool transparent)
 947         {
 948             Interop.Window.SetTransparency(swigCPtr, transparent);
 949             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 950
 951             // Setting transparency of the window should request a relayout of the tree in the case the window changes from fully transparent.
 952         }
 953
 954         /// <summary>
 955         /// Sets parent window of the window.
 956         /// After setting that, these windows do together when raise-up, lower and iconified/deiconified.
 957         /// Initially, the window is located on top of the parent. The window can go below parent by calling Lower().
 958         /// If parent's window stack is changed by calling Raise() or Lower(), child windows are located on top of the parent again.
 959         /// </summary>
 960         /// <param name="parent">The parent window.</param>
 961         /// <since_tizen> 6 </since_tizen>
 962         /// <feature> http://tizen.org/feature/opengles.surfaceless_context </feature>
 963         /// <exception cref="NotSupportedException">The required feature is not supported.</exception>
 964         public void SetParent(Window parent)
 965         {
 966             if (IsSupportedMultiWindow() == false)
 967             {
 968                 NUILog.Error("This device does not support surfaceless_context. So Window cannot be created. ");
 969             }
 970             Interop.Window.SetParent(swigCPtr, Window.getCPtr(parent));
 971             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 972         }
 973
 974         /// <summary>
 975         /// Unsets parent window of the window.
 976         /// After unsetting, the window is disconnected his parent window.
 977         /// </summary>
 978         /// <since_tizen> 6 </since_tizen>
 979         /// <feature> http://tizen.org/feature/opengles.surfaceless_context </feature>
 980         /// <exception cref="NotSupportedException">The required feature is not supported.</exception>
 981         public void Unparent()
 982         {
 983             if (IsSupportedMultiWindow() == false)
 984             {
 985                 NUILog.Error("Fail to create window. because this device does not support opengles.surfaceless_context.");
 986             }
 987             Interop.Window.Unparent(swigCPtr);
 988             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 989         }
 990
 991         /// <summary>
 992         /// Gets parent window of the window.
 993         /// </summary>
 994         /// <returns>The parent window of the window.</returns>
 995         /// <since_tizen> 6 </since_tizen>
 996         /// <feature> http://tizen.org/feature/opengles.surfaceless_context </feature>
 997         /// <exception cref="NotSupportedException">The required feature is not supported.</exception>
 998         public Window GetParent()
 999         {
1000             if (IsSupportedMultiWindow() == false)
1001             {
1002                 NUILog.Error("This device does not support surfaceless_context. So Window cannot be created. ");
1003             }
1004             Window ret = Registry.GetManagedBaseHandleFromNativePtr(Interop.Window.GetParent(swigCPtr)) as Window;
1005             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1006             return ret;
1007         }
1008
1009         /// This will be public opened in tizen_next after ACR done. Before ACR, need to be hidden as inhouse API.
1010         [EditorBrowsable(EditorBrowsableState.Never)]
1011         public void ObjectDump()
1012         {
1013             Layer rootLayer = GetRootLayer();
1014             foreach (View view in rootLayer.Children)
1015             {
1016                 view.ObjectDump();
1017             }
1018         }
1019
1020         internal static global::System.Runtime.InteropServices.HandleRef getCPtr(Window obj)
1021         {
1022             return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
1023         }
1024
1025         internal static bool IsInstalled()
1026         {
1027             bool ret = Interop.Stage.Stage_IsInstalled();
1028             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1029             return ret;
1030         }
1031
1032         /// <summary>
1033         /// Adds an orientation to the list of available orientations.
1034         /// </summary>
1035         /// <param name="orientation">The available orientation to add</param>
1036         /// <since_tizen> 6 </since_tizen>
1037         public void AddAvailableOrientation(Window.WindowOrientation orientation)
1038         {
1039             Interop.Window.Window_AddAvailableOrientation(swigCPtr, (int)orientation);
1040             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1041         }
1042
1043         /// <summary>
1044         /// Removes an orientation from the list of available orientations.
1045         /// </summary>
1046         /// <param name="orientation">The available orientation to remove.</param>
1047         /// <since_tizen> 6 </since_tizen>
1048         public void RemoveAvailableOrientation(Window.WindowOrientation orientation)
1049         {
1050             Interop.Window.Window_RemoveAvailableOrientation(swigCPtr, (int)orientation);
1051             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1052         }
1053
1054         /// <summary>
1055         /// Sets a preferred orientation.
1056         /// </summary>
1057         /// <param name="orientation">The preferred orientation.</param>
1058         /// <since_tizen> 6 </since_tizen>
1059         public void SetPreferredOrientation(Window.WindowOrientation orientation)
1060         {
1061             Interop.Window.Window_SetPreferredOrientation(swigCPtr, (int)orientation);
1062             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1063         }
1064
1065         /// <summary>
1066         /// Gets the preferred orientation.
1067         /// </summary>
1068         /// <since_tizen> 6 </since_tizen>
1069         /// <returns>The preferred orientation if previously set, or none.</returns>
1070         public Window.WindowOrientation GetPreferredOrientation()
1071         {
1072             Window.WindowOrientation ret = (Window.WindowOrientation)Interop.Window.Window_GetPreferredOrientation(swigCPtr);
1073             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1074             return ret;
1075         }
1076
1077         /// <summary>
1078         /// Gets current orientation of the window.
1079         /// </summary>
1080         /// <since_tizen> 6 </since_tizen>
1081         /// <returns>The current window orientation if previously set, or none.</returns>
1082         [EditorBrowsable(EditorBrowsableState.Never)]
1083         public Window.WindowOrientation GetCurrentOrientation()
1084         {
1085             Window.WindowOrientation ret = (Window.WindowOrientation)Interop.Window.Window_GetCurrentOrientation(swigCPtr);
1086             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1087             return ret;
1088         }
1089
1090         /// <summary>
1091         /// Sets available orientations of the window.
1092         /// This API is for setting several orientations one time.
1093         /// </summary>
1094         /// <param name="orientations">The list of orientations.</param>
1095         /// <since_tizen> 6 </since_tizen>
1096         [EditorBrowsable(EditorBrowsableState.Never)]
1097         public void SetAvailableOrientations(List<Window.WindowOrientation> orientations)
1098         {
1099             PropertyArray orientationArray = new PropertyArray();
1100             for (int i = 0; i < orientations.Count; i++)
1101             {
1102                 orientationArray.PushBack(new PropertyValue((int)orientations[i]));
1103             }
1104
1105             Interop.Window.Window_SetAvailableOrientations(swigCPtr, PropertyArray.getCPtr(orientationArray));
1106             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1107         }
1108
1109         /// <summary>
1110         /// Get native window ID
1111         /// </summary>
1112         /// <returns>native window ID</returns>
1113         [EditorBrowsable(EditorBrowsableState.Never)]
1114         public int GetNativeId()
1115         {
1116             int ret = Interop.Window.GetNativeId(swigCPtr);
1117             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1118             return ret;
1119         }
1120
1121         internal Any GetNativeHandle()
1122         {
1123             Any ret = new Any(Interop.WindowInternal.Window_GetNativeHandle(swigCPtr), true);
1124             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1125             return ret;
1126         }
1127
1128         internal void Add(Layer layer)
1129         {
1130             Interop.Window.Add(swigCPtr, Layer.getCPtr(layer));
1131             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1132
1133             LayersChildren?.Add(layer);
1134             layer.SetWindow(this);
1135         }
1136
1137         internal void Remove(Layer layer)
1138         {
1139             Interop.Window.Remove(swigCPtr, Layer.getCPtr(layer));
1140             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1141
1142             LayersChildren?.Remove(layer);
1143             layer.SetWindow(null);
1144         }
1145
1146         internal Vector2 GetSize()
1147         {
1148             var val = new Uint16Pair(Interop.Window.GetSize(swigCPtr), false);
1149             Vector2 ret = new Vector2(val.GetWidth(), val.GetHeight());
1150             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1151             return ret;
1152         }
1153
1154         internal RenderTaskList GetRenderTaskList()
1155         {
1156             RenderTaskList ret = new RenderTaskList(Interop.Stage.Stage_GetRenderTaskList(stageCPtr), true);
1157             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1158             return ret;
1159         }
1160
1161         /// <summary>
1162         /// Queries the number of on-window layers.
1163         /// </summary>
1164         /// <returns>The number of layers.</returns>
1165         /// <remarks>Note that a default layer is always provided (count >= 1).</remarks>
1166         internal uint GetLayerCount()
1167         {
1168             if (LayersChildren == null || LayersChildren.Count < 0)
1169                 return 0;
1170
1171             return (uint)LayersChildren.Count;
1172         }
1173
1174         internal Layer GetRootLayer()
1175         {
1176             // Window.IsInstalled() is actually true only when called from event thread and
1177             // Core has been initialized, not when Stage is ready.
1178             if (_rootLayer == null && Window.IsInstalled())
1179             {
1180                 _rootLayer = new Layer(Interop.Window.GetRootLayer(swigCPtr), true);
1181                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1182                 LayersChildren?.Add(_rootLayer);
1183                 _rootLayer.SetWindow(this);
1184             }
1185             return _rootLayer;
1186         }
1187
1188         internal void SetBackgroundColor(Vector4 color)
1189         {
1190             Interop.Window.SetBackgroundColor(swigCPtr, Vector4.getCPtr(color));
1191             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1192         }
1193
1194         internal Vector4 GetBackgroundColor()
1195         {
1196             Vector4 ret = new Vector4(Interop.Window.GetBackgroundColor(swigCPtr), true);
1197             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1198             return ret;
1199         }
1200
1201         internal Vector2 GetDpi()
1202         {
1203             Vector2 ret = new Vector2(Interop.Stage.Stage_GetDpi(stageCPtr), true);
1204             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1205             return ret;
1206         }
1207
1208         internal ObjectRegistry GetObjectRegistry()
1209         {
1210             ObjectRegistry ret = new ObjectRegistry(Interop.Stage.Stage_GetObjectRegistry(stageCPtr), true);
1211             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1212             return ret;
1213         }
1214
1215         internal void SetRenderingBehavior(RenderingBehaviorType renderingBehavior)
1216         {
1217             Interop.Stage.Stage_SetRenderingBehavior(stageCPtr, (int)renderingBehavior);
1218             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1219         }
1220
1221         internal RenderingBehaviorType GetRenderingBehavior()
1222         {
1223             RenderingBehaviorType ret = (RenderingBehaviorType)Interop.Stage.Stage_GetRenderingBehavior(stageCPtr);
1224             if (NDalicPINVOKE.SWIGPendingException.Pending)
1225                 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1226             return ret;
1227         }
1228
1229         internal void SetWindowSize(Size2D size)
1230         {
1231             var val = new Uint16Pair((uint)size.Width, (uint)size.Height);
1232             Interop.Window.SetSize(swigCPtr, Uint16Pair.getCPtr(val));
1233
1234             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1235
1236             // Resetting Window size should request a relayout of the tree.
1237         }
1238
1239         internal Size2D GetWindowSize()
1240         {
1241             var val = new Uint16Pair(Interop.Window.GetSize(swigCPtr), false);
1242             Size2D ret = new Size2D(val.GetWidth(), val.GetHeight());
1243
1244             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1245             return ret;
1246         }
1247
1248         internal void SetPosition(Position2D position)
1249         {
1250             var val = new Uint16Pair((uint)position.X, (uint)position.Y);
1251             Interop.Window.SetPosition(swigCPtr, Uint16Pair.getCPtr(val));
1252
1253             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1254             // Setting Position of the window should request a relayout of the tree.
1255         }
1256
1257         internal Position2D GetPosition()
1258         {
1259             var val = new Uint16Pair(Interop.Window.GetPosition(swigCPtr), true);
1260             Position2D ret = new Position2D(val.GetX(), val.GetY());
1261
1262             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1263             return ret;
1264         }
1265
1266         internal void SetPositionSize(Rectangle positionSize)
1267         {
1268             Interop.Window.Window_SetPositionSize(swigCPtr, Rectangle.getCPtr(positionSize));
1269
1270             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1271
1272             // Setting Position of the window should request a relayout of the tree.
1273         }
1274
1275         /// <summary>
1276         /// Add FrameCallback
1277         /// </summary>
1278         [EditorBrowsable(EditorBrowsableState.Never)]
1279         public void AddFrameCallback(FrameCallbackInterface frameCallback)
1280         {
1281             frameCallback?.AddFrameCallback(stageCPtr, Layer.getCPtr(GetRootLayer()));
1282         }
1283
1284         /// <summary>
1285         /// Remove FrameCallback
1286         /// </summary>
1287         [EditorBrowsable(EditorBrowsableState.Never)]
1288         public void RemoveFrameCallback(FrameCallbackInterface frameCallback)
1289         {
1290             frameCallback?.RemoveFrameCallback(stageCPtr);
1291         }
1292
1293         /// <summary>
1294         /// Dispose for Window
1295         /// </summary>
1296         [EditorBrowsable(EditorBrowsableState.Never)]
1297         protected override void Dispose(DisposeTypes type)
1298         {
1299             if (disposed)
1300             {
1301                 return;
1302             }
1303
1304             if (type == DisposeTypes.Explicit)
1305             {
1306                 //Called by User
1307                 //Release your own managed resources here.
1308                 //You should release all of your own disposable objects here.
1309
1310                 _rootLayer.Dispose();
1311                 localController.Dispose();
1312
1313                 foreach (var layer in _childLayers)
1314                 {
1315                     layer.Dispose();
1316                 }
1317                 _childLayers.Clear();
1318             }
1319
1320             this.DisconnectNativeSignals();
1321
1322             base.Dispose(type);
1323         }
1324
1325         /// This will not be public opened.
1326         [EditorBrowsable(EditorBrowsableState.Never)]
1327         protected override void ReleaseSwigCPtr(System.Runtime.InteropServices.HandleRef swigCPtr)
1328         {
1329             Interop.Window.delete_Window(swigCPtr);
1330         }
1331
1332         private static Dictionary<int, internalHookCallbackType> frameCallbackList = new Dictionary<int, internalHookCallbackType>();
1333
1334         private static readonly object locker = new object();
1335
1336         private static int key = 0;
1337
1338         private static FrameCallbackType internalHookFrameCallback = OnInternalHookFrameCallback;
1339
1340         private struct internalHookCallbackType
1341         {
1342             public FrameCallbackType userCallback;
1343             public int frameId;
1344         }
1345
1346         private static void OnInternalHookFrameCallback(int id)
1347         {
1348             lock (locker)
1349             {
1350                 if (frameCallbackList.ContainsKey(id))
1351                 {
1352                     if (frameCallbackList[id].userCallback != null)
1353                     {
1354                         frameCallbackList[id].userCallback.Invoke(frameCallbackList[id].frameId);
1355                         frameCallbackList.Remove(id);
1356                     }
1357                     else
1358                     {
1359                         NUILog.Error($"found userCallback is NULL");
1360                         frameCallbackList.Remove(id);
1361                     }
1362                 }
1363             }
1364         }
1365
1366         private int AddInterHookCallback(FrameCallbackType callback, int frameId)
1367         {
1368             if (null == callback)
1369             {
1370                 throw new ArgumentNullException(nameof(callback), "FrameCallbackType should not be null");
1371             }
1372             var assignedKey = 0;
1373             lock (locker)
1374             {
1375                 key++;
1376                 assignedKey = key;
1377                 frameCallbackList.Add(assignedKey, new internalHookCallbackType()
1378                 {
1379                     userCallback = callback,
1380                     frameId = frameId,
1381                 });
1382             }
1383             return assignedKey;
1384         }
1385
1386         /// <summary>
1387         /// Type of callback which is called when the frame rendering is done by graphics driver or when the frame is displayed on display.
1388         /// </summary>
1389         /// <param name="frameId">The Id to specify the frame. It will be passed when the callback is called.</param>
1390         [EditorBrowsable(EditorBrowsableState.Never)]
1391         public delegate void FrameCallbackType(int frameId);
1392
1393         /// <summary>
1394         /// Adds a callback that is called when the frame rendering is done by the graphics driver.
1395         /// A callback of the following type may be used:
1396         /// <code>
1397         /// void MyFunction( int frameId )
1398         /// </code>
1399         /// This callback will be deleted once it is called.
1400         /// <remarks>
1401         /// Ownership of the callback is passed onto this class
1402         /// </remarks>
1403         /// </summary>
1404         /// <param name="callback">The function to call</param>
1405         /// <param name="frameId">The Id to specify the frame. It will be passed when the callback is called.</param>
1406         /// <exception cref="ArgumentNullException">This exception can occur by the callback is null.</exception>
1407         [EditorBrowsable(EditorBrowsableState.Never)]
1408         public void AddFrameRenderedCallback(FrameCallbackType callback, int frameId)
1409         {
1410             var assignedKey = AddInterHookCallback(callback, frameId);
1411             Interop.WindowInternal.AddFrameRenderedCallback(swigCPtr, new HandleRef(this, Marshal.GetFunctionPointerForDelegate<Delegate>(internalHookFrameCallback)), assignedKey);
1412
1413             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1414         }
1415
1416         /// <summary>
1417         /// Adds a callback that is called when the frame is displayed on the display.
1418         /// A callback of the following type may be used:
1419         /// <code>
1420         /// void MyFunction( int frameId )
1421         /// </code>
1422         /// This callback will be deleted once it is called.
1423         /// <remarks>
1424         /// Ownership of the callback is passed onto this class
1425         /// </remarks>
1426         /// </summary>
1427         /// <param name="callback">The function to call</param>
1428         /// <param name="frameId">The Id to specify the frame. It will be passed when the callback is called.</param>
1429         /// <exception cref="ArgumentNullException">This exception can occur by the callback is null.</exception>
1430         [EditorBrowsable(EditorBrowsableState.Never)]
1431         public void AddFramePresentedCallback(FrameCallbackType callback, int frameId)
1432         {
1433             var assignedKey = AddInterHookCallback(callback, frameId);
1434             Interop.WindowInternal.AddFramePresentedCallback(swigCPtr, new HandleRef(this, Marshal.GetFunctionPointerForDelegate<Delegate>(internalHookFrameCallback)), assignedKey);
1435
1436             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1437         }
1438     }
1439 }