2 * Copyright(c) 2021 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 using System.ComponentModel;
20 using System.Runtime.InteropServices;
22 namespace Tizen.NUI.BaseComponents
25 /// View is the base class for all views.
27 /// <since_tizen> 3 </since_tizen>
28 public partial class View
30 private EventHandler offWindowEventHandler;
31 private OffWindowEventCallbackType offWindowEventCallback;
32 private EventHandlerWithReturnType<object, WheelEventArgs, bool> wheelEventHandler;
33 private WheelEventCallbackType wheelEventCallback;
34 private EventHandlerWithReturnType<object, KeyEventArgs, bool> keyEventHandler;
35 private KeyCallbackType keyCallback;
36 private EventHandlerWithReturnType<object, TouchEventArgs, bool> interceptTouchDataEventHandler;
37 private TouchDataCallbackType interceptTouchDataCallback;
38 private EventHandlerWithReturnType<object, TouchEventArgs, bool> touchDataEventHandler;
39 private TouchDataCallbackType touchDataCallback;
40 private EventHandlerWithReturnType<object, HoverEventArgs, bool> hoverEventHandler;
41 private HoverEventCallbackType hoverEventCallback;
42 private EventHandler<VisibilityChangedEventArgs> visibilityChangedEventHandler;
43 private VisibilityChangedEventCallbackType visibilityChangedEventCallback;
44 private EventHandler keyInputFocusGainedEventHandler;
45 private KeyInputFocusGainedCallbackType keyInputFocusGainedCallback;
46 private EventHandler keyInputFocusLostEventHandler;
47 private KeyInputFocusLostCallbackType keyInputFocusLostCallback;
48 private EventHandler onRelayoutEventHandler;
49 private OnRelayoutEventCallbackType onRelayoutEventCallback;
50 private EventHandler onWindowEventHandler;
51 private OnWindowEventCallbackType onWindowEventCallback;
52 private EventHandler<LayoutDirectionChangedEventArgs> layoutDirectionChangedEventHandler;
53 private LayoutDirectionChangedEventCallbackType layoutDirectionChangedEventCallback;
54 // Resource Ready Signal
55 private EventHandler resourcesLoadedEventHandler;
56 private ResourcesLoadedCallbackType ResourcesLoadedCallback;
57 private EventHandler<BackgroundResourceLoadedEventArgs> backgroundResourceLoadedEventHandler;
58 private _backgroundResourceLoadedCallbackType backgroundResourceLoadedCallback;
59 private OnWindowEventCallbackType onWindowSendEventCallback;
60 private void SendViewAddedEventToWindow(IntPtr data)
64 NUIApplication.GetDefaultWindow()?.SendViewAdded(this);
67 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
68 private delegate void OffWindowEventCallbackType(IntPtr control);
69 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
70 private delegate bool WheelEventCallbackType(IntPtr view, IntPtr wheelEvent);
71 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
72 private delegate bool KeyCallbackType(IntPtr control, IntPtr keyEvent);
73 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
74 private delegate bool TouchDataCallbackType(IntPtr view, IntPtr touchData);
75 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
76 private delegate bool HoverEventCallbackType(IntPtr view, IntPtr hoverEvent);
77 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
78 private delegate void VisibilityChangedEventCallbackType(IntPtr data, bool visibility, VisibilityChangeType type);
79 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
80 private delegate void ResourcesLoadedCallbackType(IntPtr control);
81 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
82 private delegate void _backgroundResourceLoadedCallbackType(IntPtr view);
83 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
84 private delegate void KeyInputFocusGainedCallbackType(IntPtr control);
85 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
86 private delegate void KeyInputFocusLostCallbackType(IntPtr control);
87 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
88 private delegate void OnRelayoutEventCallbackType(IntPtr control);
89 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
90 private delegate void OnWindowEventCallbackType(IntPtr control);
91 [UnmanagedFunctionPointer(CallingConvention.StdCall)]
92 private delegate void LayoutDirectionChangedEventCallbackType(IntPtr data, ViewLayoutDirectionType type);
95 /// Event when a child is removed.
97 /// <since_tizen> 5 </since_tizen>
98 public new event EventHandler<ChildRemovedEventArgs> ChildRemoved;
100 /// Event when a child is added.
102 /// <since_tizen> 5 </since_tizen>
103 public new event EventHandler<ChildAddedEventArgs> ChildAdded;
106 /// An event for the KeyInputFocusGained signal which can be used to subscribe or unsubscribe the event handler provided by the user.<br />
107 /// The KeyInputFocusGained signal is emitted when the control gets the key input focus.<br />
109 /// <since_tizen> 3 </since_tizen>
110 public event EventHandler FocusGained
114 if (keyInputFocusGainedEventHandler == null)
116 keyInputFocusGainedCallback = OnKeyInputFocusGained;
117 using KeyInputFocusSignal signal = new KeyInputFocusSignal(Interop.ViewSignal.KeyInputFocusGainedSignal(SwigCPtr), false);
118 signal?.Connect(keyInputFocusGainedCallback);
120 keyInputFocusGainedEventHandler += value;
125 keyInputFocusGainedEventHandler -= value;
126 if (keyInputFocusGainedEventHandler == null)
128 using KeyInputFocusSignal signal = new KeyInputFocusSignal(Interop.ViewSignal.KeyInputFocusGainedSignal(SwigCPtr), false);
129 if (signal?.Empty() == false)
131 signal?.Disconnect(keyInputFocusGainedCallback);
132 keyInputFocusGainedCallback = null;
139 /// An event for the KeyInputFocusLost signal which can be used to subscribe or unsubscribe the event handler provided by the user.<br />
140 /// The KeyInputFocusLost signal is emitted when the control loses the key input focus.<br />
142 /// <since_tizen> 3 </since_tizen>
143 public event EventHandler FocusLost
147 if (keyInputFocusLostEventHandler == null)
149 keyInputFocusLostCallback = OnKeyInputFocusLost;
150 using KeyInputFocusSignal signal = new KeyInputFocusSignal(Interop.ViewSignal.KeyInputFocusLostSignal(SwigCPtr), false);
151 signal?.Connect(keyInputFocusLostCallback);
153 keyInputFocusLostEventHandler += value;
158 keyInputFocusLostEventHandler -= value;
159 if (keyInputFocusLostEventHandler == null)
161 using KeyInputFocusSignal signal = new KeyInputFocusSignal(Interop.ViewSignal.KeyInputFocusLostSignal(SwigCPtr), false);
162 if (signal?.Empty() == false)
164 signal?.Disconnect(keyInputFocusLostCallback);
165 keyInputFocusLostCallback = null;
172 /// An event for the KeyPressed signal which can be used to subscribe or unsubscribe the event handler provided by the user.<br />
173 /// The KeyPressed signal is emitted when the key event is received.<br />
175 /// <since_tizen> 3 </since_tizen>
176 public event EventHandlerWithReturnType<object, KeyEventArgs, bool> KeyEvent
180 if (keyEventHandler == null)
182 keyCallback = OnKeyEvent;
183 using ControlKeySignal signal = new ControlKeySignal(Interop.ViewSignal.KeyEventSignal(SwigCPtr), false);
184 signal?.Connect(keyCallback);
186 keyEventHandler += value;
191 keyEventHandler -= value;
192 if (keyEventHandler == null)
194 using ControlKeySignal signal = new ControlKeySignal(Interop.ViewSignal.KeyEventSignal(SwigCPtr), false);
195 if (signal?.Empty() == false)
197 signal?.Disconnect(keyCallback);
205 /// An event for the OnRelayout signal which can be used to subscribe or unsubscribe the event handler.<br />
206 /// The OnRelayout signal is emitted after the size has been set on the view during relayout.<br />
208 /// <since_tizen> 3 </since_tizen>
209 public event EventHandler Relayout
213 if (onRelayoutEventHandler == null)
215 onRelayoutEventCallback = OnRelayout;
216 using ViewSignal signal = new ViewSignal(Interop.ActorSignal.ActorOnRelayoutSignal(SwigCPtr), false);
217 signal?.Connect(onRelayoutEventCallback);
219 onRelayoutEventHandler += value;
224 onRelayoutEventHandler -= value;
225 if (onRelayoutEventHandler == null)
227 using ViewSignal signal = new ViewSignal(Interop.ActorSignal.ActorOnRelayoutSignal(SwigCPtr), false);
228 if (signal?.Empty() == false)
230 signal?.Disconnect(onRelayoutEventCallback);
231 onRelayoutEventCallback = null;
238 /// An event for the touched signal which can be used to subscribe or unsubscribe the event handler provided by the user.<br />
239 /// The touched signal is emitted when the touch input is received.<br />
240 /// This can receive touch events before child. <br />
241 /// If it returns false, the child can receive the touch event. If it returns true, the touch event is intercepted. So child cannot receive touch event.<br />
243 [EditorBrowsable(EditorBrowsableState.Never)]
244 public event EventHandlerWithReturnType<object, TouchEventArgs, bool> InterceptTouchEvent
248 if (interceptTouchDataEventHandler == null)
250 interceptTouchDataCallback = OnInterceptTouch;
251 using TouchDataSignal signal = new TouchDataSignal(Interop.ActorSignal.ActorInterceptTouchSignal(SwigCPtr), false);
252 signal?.Connect(interceptTouchDataCallback);
254 interceptTouchDataEventHandler += value;
259 interceptTouchDataEventHandler -= value;
260 if (interceptTouchDataEventHandler == null)
262 using TouchDataSignal signal = new TouchDataSignal(Interop.ActorSignal.ActorInterceptTouchSignal(SwigCPtr), false);
263 if (signal?.Empty() == false)
265 signal?.Disconnect(interceptTouchDataCallback);
266 interceptTouchDataCallback = null;
273 /// If child view doesn't want the parent's view to intercept the touch, you can set it to true.
275 /// parent.Add(child);
276 /// parent.InterceptTouchEvent += OnInterceptTouchEvent;
277 /// View view = child.GetParent() as View;
278 /// view.DisallowInterceptTouchEvent = true;
279 /// This prevents the parent from intercepting touch.
281 [EditorBrowsable(EditorBrowsableState.Never)]
282 public bool DisallowInterceptTouchEvent { get; set; }
286 /// An event for the touched signal which can be used to subscribe or unsubscribe the event handler provided by the user.<br />
287 /// The touched signal is emitted when the touch input is received.<br />
289 /// <since_tizen> 3 </since_tizen>
290 public event EventHandlerWithReturnType<object, TouchEventArgs, bool> TouchEvent
294 if (touchDataEventHandler == null)
296 touchDataCallback = OnTouch;
297 using TouchDataSignal signal = new TouchDataSignal(Interop.ActorSignal.ActorTouchSignal(SwigCPtr), false);
298 signal.Connect(touchDataCallback);
300 touchDataEventHandler += value;
305 touchDataEventHandler -= value;
306 if (touchDataEventHandler == null)
308 using TouchDataSignal signal = new TouchDataSignal(Interop.ActorSignal.ActorTouchSignal(SwigCPtr), false);
309 if (signal.Empty() == false)
311 signal.Disconnect(touchDataCallback);
312 touchDataCallback = null;
319 /// An event for the hovered signal which can be used to subscribe or unsubscribe the event handler provided by the user.<br />
320 /// The hovered signal is emitted when the hover input is received.<br />
322 /// <since_tizen> 3 </since_tizen>
323 public event EventHandlerWithReturnType<object, HoverEventArgs, bool> HoverEvent
327 if (hoverEventHandler == null)
329 hoverEventCallback = OnHoverEvent;
330 using HoverSignal signal = new HoverSignal(Interop.ActorSignal.ActorHoveredSignal(SwigCPtr), false);
331 signal?.Connect(hoverEventCallback);
333 hoverEventHandler += value;
338 hoverEventHandler -= value;
339 if (hoverEventHandler == null)
341 using HoverSignal signal = new HoverSignal(Interop.ActorSignal.ActorHoveredSignal(SwigCPtr), false);
342 if (signal?.Empty() == false)
344 signal?.Disconnect(hoverEventCallback);
345 hoverEventCallback = null;
352 /// An event for the WheelMoved signal which can be used to subscribe or unsubscribe the event handler provided by the user.<br />
353 /// The WheelMoved signal is emitted when the wheel event is received.<br />
355 /// <since_tizen> 3 </since_tizen>
356 public event EventHandlerWithReturnType<object, WheelEventArgs, bool> WheelEvent
360 if (wheelEventHandler == null)
362 wheelEventCallback = OnWheelEvent;
363 using WheelSignal signal = new WheelSignal(Interop.ActorSignal.ActorWheelEventSignal(SwigCPtr), false);
364 signal?.Connect(wheelEventCallback);
366 wheelEventHandler += value;
368 if (WindowWheelEventHandler == null)
370 NUIApplication.GetDefaultWindow().WheelEvent += OnWindowWheelEvent;
372 WindowWheelEventHandler += value;
377 wheelEventHandler -= value;
378 if (wheelEventHandler == null)
380 using WheelSignal signal = new WheelSignal(Interop.ActorSignal.ActorWheelEventSignal(SwigCPtr), false);
381 if (signal?.Empty() == false)
383 signal?.Disconnect(wheelEventCallback);
384 wheelEventCallback = null;
388 WindowWheelEventHandler -= value;
389 if (WindowWheelEventHandler == null)
391 NUIApplication.GetDefaultWindow().WheelEvent -= OnWindowWheelEvent;
397 /// An event for the OnWindow signal which can be used to subscribe or unsubscribe the event handler.<br />
398 /// The OnWindow signal is emitted after the view has been connected to the window.<br />
400 /// <since_tizen> 3 </since_tizen>
401 public event EventHandler AddedToWindow
405 if (onWindowEventHandler == null)
407 onWindowEventCallback = OnWindow;
408 using ViewSignal signal = new ViewSignal(Interop.ActorSignal.ActorOnSceneSignal(SwigCPtr), false);
409 signal?.Connect(onWindowEventCallback);
411 onWindowEventHandler += value;
416 onWindowEventHandler -= value;
417 if (onWindowEventHandler == null)
419 using ViewSignal signal = new ViewSignal(Interop.ActorSignal.ActorOnSceneSignal(SwigCPtr), false);
420 if (signal?.Empty() == false)
422 signal?.Disconnect(onWindowEventCallback);
423 onWindowEventCallback = null;
430 /// An event for the OffWindow signal, which can be used to subscribe or unsubscribe the event handler.<br />
431 /// OffWindow signal is emitted after the view has been disconnected from the window.<br />
433 /// <since_tizen> 3 </since_tizen>
434 public event EventHandler RemovedFromWindow
438 if (offWindowEventHandler == null)
440 offWindowEventCallback = OffWindow;
441 using ViewSignal signal = new ViewSignal(Interop.ActorSignal.ActorOffSceneSignal(SwigCPtr), false);
442 signal?.Connect(offWindowEventCallback);
444 offWindowEventHandler += value;
449 offWindowEventHandler -= value;
450 if (offWindowEventHandler == null)
452 using ViewSignal signal = new ViewSignal(Interop.ActorSignal.ActorOffSceneSignal(SwigCPtr), false);
453 if (signal?.Empty() == false)
455 signal?.Disconnect(offWindowEventCallback);
456 offWindowEventCallback = null;
463 /// An event for visibility change which can be used to subscribe or unsubscribe the event handler.<br />
464 /// This signal is emitted when the visible property of this or a parent view is changed.<br />
466 /// <since_tizen> 3 </since_tizen>
467 public event EventHandler<VisibilityChangedEventArgs> VisibilityChanged
471 if (visibilityChangedEventHandler == null)
473 visibilityChangedEventCallback = OnVisibilityChanged;
474 VisibilityChangedSignal(this).Connect(visibilityChangedEventCallback);
477 visibilityChangedEventHandler += value;
482 visibilityChangedEventHandler -= value;
484 if (visibilityChangedEventHandler == null && VisibilityChangedSignal(this).Empty() == false)
486 VisibilityChangedSignal(this).Disconnect(visibilityChangedEventCallback);
492 /// Event for layout direction change which can be used to subscribe/unsubscribe the event handler.<br />
493 /// This signal is emitted when the layout direction property of this or a parent view is changed.<br />
495 /// <since_tizen> 4 </since_tizen>
496 public event EventHandler<LayoutDirectionChangedEventArgs> LayoutDirectionChanged
500 if (layoutDirectionChangedEventHandler == null)
502 layoutDirectionChangedEventCallback = OnLayoutDirectionChanged;
503 LayoutDirectionChangedSignal(this).Connect(layoutDirectionChangedEventCallback);
506 layoutDirectionChangedEventHandler += value;
511 layoutDirectionChangedEventHandler -= value;
513 if (layoutDirectionChangedEventHandler == null && LayoutDirectionChangedSignal(this).Empty() == false)
515 LayoutDirectionChangedSignal(this).Disconnect(layoutDirectionChangedEventCallback);
521 /// An event for the ResourcesLoadedSignal signal which can be used to subscribe or unsubscribe the event handler provided by the user.<br />
522 /// This signal is emitted after all resources required by a view are loaded and ready.<br />
524 /// <since_tizen> 3 </since_tizen>
525 public event EventHandler ResourcesLoaded
529 if (resourcesLoadedEventHandler == null)
531 ResourcesLoadedCallback = OnResourcesLoaded;
532 using ViewSignal signal = new ViewSignal(Interop.View.ResourceReadySignal(SwigCPtr), false);
533 signal?.Connect(ResourcesLoadedCallback);
535 resourcesLoadedEventHandler += value;
540 resourcesLoadedEventHandler -= value;
541 if (resourcesLoadedEventHandler == null)
543 using ViewSignal signal = new ViewSignal(Interop.View.ResourceReadySignal(SwigCPtr), false);
544 if (signal?.Empty() == false)
546 signal?.Disconnect(ResourcesLoadedCallback);
547 ResourcesLoadedCallback = null;
553 private EventHandler _backKeyPressed;
556 /// An event for getting notice when physical back key is pressed.<br />
557 /// This event is emitted BackKey is up.<br />
559 [EditorBrowsable(EditorBrowsableState.Never)]
560 public event EventHandler BackKeyPressed
564 _backKeyPressed += value;
565 BackKeyManager.Instance.Subscriber.Add(this);
570 BackKeyManager.Instance.Subscriber.Remove(this);
571 _backKeyPressed -= value;
576 /// Function for emitting BackKeyPressed event outside of View instance
578 [EditorBrowsable(EditorBrowsableState.Never)]
579 internal void EmitBackKeyPressed()
581 _backKeyPressed.Invoke(this, null);
585 internal event EventHandler<BackgroundResourceLoadedEventArgs> BackgroundResourceLoaded
589 if (backgroundResourceLoadedEventHandler == null)
591 backgroundResourceLoadedCallback = OnBackgroundResourceLoaded;
592 using ViewSignal signal = new ViewSignal(Interop.View.ResourceReadySignal(SwigCPtr), false);
593 signal?.Connect(backgroundResourceLoadedCallback);
595 backgroundResourceLoadedEventHandler += value;
600 backgroundResourceLoadedEventHandler -= value;
601 if (backgroundResourceLoadedEventHandler == null)
603 using ViewSignal signal = new ViewSignal(Interop.View.ResourceReadySignal(SwigCPtr), false);
604 if (signal?.Empty() == false)
606 signal?.Disconnect(backgroundResourceLoadedCallback);
607 backgroundResourceLoadedCallback = null;
613 internal TouchDataSignal InterceptTouchSignal()
615 TouchDataSignal ret = new TouchDataSignal(Interop.ActorSignal.ActorInterceptTouchSignal(SwigCPtr), false);
616 if (NDalicPINVOKE.SWIGPendingException.Pending)
617 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
621 internal TouchDataSignal TouchSignal()
623 TouchDataSignal ret = new TouchDataSignal(Interop.ActorSignal.ActorTouchSignal(SwigCPtr), false);
624 if (NDalicPINVOKE.SWIGPendingException.Pending)
625 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
629 internal HoverSignal HoveredSignal()
631 HoverSignal ret = new HoverSignal(Interop.ActorSignal.ActorHoveredSignal(SwigCPtr), false);
632 if (NDalicPINVOKE.SWIGPendingException.Pending)
633 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
637 internal WheelSignal WheelEventSignal()
639 WheelSignal ret = new WheelSignal(Interop.ActorSignal.ActorWheelEventSignal(SwigCPtr), false);
640 if (NDalicPINVOKE.SWIGPendingException.Pending)
641 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
645 internal ViewSignal OnWindowSignal()
647 ViewSignal ret = new ViewSignal(Interop.ActorSignal.ActorOnSceneSignal(SwigCPtr), false);
648 if (NDalicPINVOKE.SWIGPendingException.Pending)
649 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
653 internal ViewSignal OffWindowSignal()
655 ViewSignal ret = new ViewSignal(Interop.ActorSignal.ActorOffSceneSignal(SwigCPtr), false);
656 if (NDalicPINVOKE.SWIGPendingException.Pending)
657 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
661 internal ViewSignal OnRelayoutSignal()
663 ViewSignal ret = new ViewSignal(Interop.ActorSignal.ActorOnRelayoutSignal(SwigCPtr), false);
664 if (NDalicPINVOKE.SWIGPendingException.Pending)
665 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
669 internal ViewVisibilityChangedSignal VisibilityChangedSignal(View view)
671 ViewVisibilityChangedSignal ret = new ViewVisibilityChangedSignal(Interop.NDalic.VisibilityChangedSignal(View.getCPtr(view)), false);
672 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
676 internal ViewLayoutDirectionChangedSignal LayoutDirectionChangedSignal(View view)
678 ViewLayoutDirectionChangedSignal ret = new ViewLayoutDirectionChangedSignal(Interop.Layout.LayoutDirectionChangedSignal(View.getCPtr(view)), false);
679 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
683 internal ViewSignal ResourcesLoadedSignal()
685 ViewSignal ret = new ViewSignal(Interop.View.ResourceReadySignal(SwigCPtr), false);
686 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
690 internal ControlKeySignal KeyEventSignal()
692 ControlKeySignal ret = new ControlKeySignal(Interop.ViewSignal.KeyEventSignal(SwigCPtr), false);
693 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
697 internal KeyInputFocusSignal KeyInputFocusGainedSignal()
699 KeyInputFocusSignal ret = new KeyInputFocusSignal(Interop.ViewSignal.KeyInputFocusGainedSignal(SwigCPtr), false);
700 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
704 internal KeyInputFocusSignal KeyInputFocusLostSignal()
706 KeyInputFocusSignal ret = new KeyInputFocusSignal(Interop.ViewSignal.KeyInputFocusLostSignal(SwigCPtr), false);
707 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
711 private void OnColorChanged(float r, float g, float b, float a)
713 Color = new Color(r, g, b, a);
716 private void OnMinimumSizeChanged(int width, int height)
718 MinimumSize = new Size2D(width, height);
721 private void OnMaximumSizeChanged(int width, int height)
723 MaximumSize = new Size2D(width, height);
726 private void OnPosition2DChanged(int x, int y)
728 SetPosition((float)x, (float)y, 0);
731 private void OnPositionChanged(float x, float y, float z)
733 SetPosition(x, y, z);
736 private void OnSize2DChanged(int width, int height)
738 SetSize((float)width, (float)height, 0);
741 private void OnSizeChanged(float width, float height, float depth)
743 SetSize(width, height, depth);
746 private void OnParentOriginChanged(float x, float y, float z)
748 ParentOrigin = new Position(x, y, z);
751 private void OnPivotPointChanged(float x, float y, float z)
753 PivotPoint = new Position(x, y, z);
756 private void OnImageShadowChanged(ShadowBase instance)
758 ImageShadow = (ImageShadow)instance;
761 private void OnBoxShadowChanged(ShadowBase instance)
763 BoxShadow = (Shadow)instance;
766 private void OnBackgroundImageBorderChanged(int left, int right, int bottom, int top)
768 BackgroundImageBorder = new Rectangle(left, right, bottom, top);
771 private void OnKeyInputFocusGained(IntPtr view)
773 if (keyInputFocusGainedEventHandler != null)
775 keyInputFocusGainedEventHandler(this, null);
779 private void OnKeyInputFocusLost(IntPtr view)
781 if (keyInputFocusLostEventHandler != null)
783 keyInputFocusLostEventHandler(this, null);
787 private bool OnKeyEvent(IntPtr view, IntPtr keyEvent)
789 if (keyEvent == global::System.IntPtr.Zero)
791 NUILog.Error("keyEvent should not be null!");
795 KeyEventArgs e = new KeyEventArgs();
799 e.Key = Tizen.NUI.Key.GetKeyFromPtr(keyEvent);
801 if (keyEventHandler != null)
803 Delegate[] delegateList = keyEventHandler.GetInvocationList();
805 // Oring the result of each callback.
806 foreach (EventHandlerWithReturnType<object, KeyEventArgs, bool> del in delegateList)
808 result |= del(this, e);
815 // Callback for View OnRelayout signal
816 private void OnRelayout(IntPtr data)
818 if (onRelayoutEventHandler != null)
820 onRelayoutEventHandler(this, null);
824 // Callback for View TouchSignal
825 private bool OnInterceptTouch(IntPtr view, IntPtr touchData)
827 if (touchData == global::System.IntPtr.Zero)
829 NUILog.Error("touchData should not be null!");
833 // DisallowInterceptTouchEvent prevents the parent from intercepting touch.
834 if (DisallowInterceptTouchEvent)
839 TouchEventArgs e = new TouchEventArgs();
841 e.Touch = Tizen.NUI.Touch.GetTouchFromPtr(touchData);
843 bool consumed = false;
845 if (interceptTouchDataEventHandler != null)
847 consumed = interceptTouchDataEventHandler(this, e);
853 // Callback for View TouchSignal
854 private bool OnTouch(IntPtr view, IntPtr touchData)
856 if (touchData == global::System.IntPtr.Zero)
858 NUILog.Error("touchData should not be null!");
862 TouchEventArgs e = new TouchEventArgs();
864 e.Touch = Tizen.NUI.Touch.GetTouchFromPtr(touchData);
866 bool consumed = false;
868 if (touchDataEventHandler != null)
870 consumed = touchDataEventHandler(this, e);
873 if (enableControlState && !consumed)
875 consumed = HandleControlStateOnTouch(e.Touch);
881 // Callback for View Hover signal
882 private bool OnHoverEvent(IntPtr view, IntPtr hoverEvent)
884 if (hoverEvent == global::System.IntPtr.Zero)
886 NUILog.Error("hoverEvent should not be null!");
890 HoverEventArgs e = new HoverEventArgs();
892 e.Hover = Tizen.NUI.Hover.GetHoverFromPtr(hoverEvent);
894 if (hoverEventHandler != null)
896 return hoverEventHandler(this, e);
901 // Callback for View Wheel signal
902 private bool OnWheelEvent(IntPtr view, IntPtr wheelEvent)
904 if (wheelEvent == global::System.IntPtr.Zero)
906 NUILog.Error("wheelEvent should not be null!");
910 WheelEventArgs e = new WheelEventArgs();
912 e.Wheel = Tizen.NUI.Wheel.GetWheelFromPtr(wheelEvent);
914 if (wheelEventHandler != null)
916 return wheelEventHandler(this, e);
921 // Callback for View OnWindow signal
922 private void OnWindow(IntPtr data)
924 if (onWindowEventHandler != null)
926 onWindowEventHandler(this, null);
930 // Callback for View OffWindow signal
931 private void OffWindow(IntPtr data)
933 if (offWindowEventHandler != null)
935 offWindowEventHandler(this, null);
939 // Callback for View visibility change signal
940 private void OnVisibilityChanged(IntPtr data, bool visibility, VisibilityChangeType type)
942 VisibilityChangedEventArgs e = new VisibilityChangedEventArgs();
945 e.View = Registry.GetManagedBaseHandleFromNativePtr(data) as View;
947 e.Visibility = visibility;
950 if (visibilityChangedEventHandler != null)
952 visibilityChangedEventHandler(this, e);
956 // Callback for View layout direction change signal
957 private void OnLayoutDirectionChanged(IntPtr data, ViewLayoutDirectionType type)
959 LayoutDirectionChangedEventArgs e = new LayoutDirectionChangedEventArgs();
962 e.View = Registry.GetManagedBaseHandleFromNativePtr(data) as View;
966 if (layoutDirectionChangedEventHandler != null)
968 layoutDirectionChangedEventHandler(this, e);
972 private void OnResourcesLoaded(IntPtr view)
974 if (resourcesLoadedEventHandler != null)
976 resourcesLoadedEventHandler(this, null);
980 private void OnBackgroundResourceLoaded(IntPtr view)
982 BackgroundResourceLoadedEventArgs e = new BackgroundResourceLoadedEventArgs();
983 e.Status = (ResourceLoadingStatusType)Interop.View.GetVisualResourceStatus(this.SwigCPtr, Property.BACKGROUND);
985 if (backgroundResourceLoadedEventHandler != null)
987 backgroundResourceLoadedEventHandler(this, e);
992 /// Event argument passed through the ChildAdded event.
994 /// <since_tizen> 5 </since_tizen>
995 public class ChildAddedEventArgs : EventArgs
998 /// Added child view at moment.
1000 /// <since_tizen> 5 </since_tizen>
1001 public View Added { get; set; }
1005 /// Event argument passed through the ChildRemoved event.
1007 /// <since_tizen> 5 </since_tizen>
1008 public class ChildRemovedEventArgs : EventArgs
1011 /// Removed child view at moment.
1013 /// <since_tizen> 5 </since_tizen>
1014 public View Removed { get; set; }
1018 /// Event arguments that passed via the KeyEvent signal.
1020 /// <since_tizen> 3 </since_tizen>
1021 public class KeyEventArgs : EventArgs
1026 /// Key - is the key sent to the view.
1028 /// <since_tizen> 3 </since_tizen>
1043 /// Event arguments that passed via the touch signal.
1045 /// <since_tizen> 3 </since_tizen>
1046 public class TouchEventArgs : EventArgs
1048 private Touch _touch;
1051 /// Touch - contains the information of touch points.
1053 /// <since_tizen> 3 </since_tizen>
1068 /// Event arguments that passed via the hover signal.
1070 /// <since_tizen> 3 </since_tizen>
1071 public class HoverEventArgs : EventArgs
1073 private Hover _hover;
1076 /// Hover - contains touch points that represent the points that are currently being hovered or the points where a hover has stopped.
1078 /// <since_tizen> 3 </since_tizen>
1093 /// Event arguments that passed via the wheel signal.
1095 /// <since_tizen> 3 </since_tizen>
1096 public class WheelEventArgs : EventArgs
1098 private Wheel _wheel;
1101 /// WheelEvent - store a wheel rolling type: MOUSE_WHEEL or CUSTOM_WHEEL.
1103 /// <since_tizen> 3 </since_tizen>
1118 /// Event arguments of visibility changed.
1120 /// <since_tizen> 3 </since_tizen>
1121 public class VisibilityChangedEventArgs : EventArgs
1124 private bool _visibility;
1125 private VisibilityChangeType _type;
1128 /// The view, or child of view, whose visibility has changed.
1130 /// <since_tizen> 3 </since_tizen>
1144 /// Whether the view is now visible or not.
1146 /// <since_tizen> 3 </since_tizen>
1147 public bool Visibility
1155 _visibility = value;
1160 /// Whether the view's visible property has changed or a parent's.
1162 /// <since_tizen> 3 </since_tizen>
1163 public VisibilityChangeType Type
1177 /// Event arguments of layout direction changed.
1179 /// <since_tizen> 4 </since_tizen>
1180 public class LayoutDirectionChangedEventArgs : EventArgs
1183 private ViewLayoutDirectionType _type;
1186 /// The view, or child of view, whose layout direction has changed.
1188 /// <since_tizen> 4 </since_tizen>
1202 /// Whether the view's layout direction property has changed or a parent's.
1204 /// <since_tizen> 4 </since_tizen>
1205 public ViewLayoutDirectionType Type
1218 internal class BackgroundResourceLoadedEventArgs : EventArgs
1220 private ResourceLoadingStatusType status = ResourceLoadingStatusType.Invalid;
1221 public ResourceLoadingStatusType Status
1235 /// The class represents the information of the situation where the View's control state changes.
1237 [EditorBrowsable(EditorBrowsableState.Never)]
1238 public class ControlStateChangedEventArgs : EventArgs
1241 /// Create an instance with mandatory fields.
1243 /// <param name="previousState">The previous control state.</param>
1244 /// <param name="currentState">The current control state.</param>
1245 [EditorBrowsable(EditorBrowsableState.Never)]
1246 public ControlStateChangedEventArgs(ControlState previousState, ControlState currentState)
1248 PreviousState = previousState;
1249 CurrentState = currentState;
1253 /// The previous control state.
1255 [EditorBrowsable(EditorBrowsableState.Never)]
1256 public ControlState PreviousState { get; }
1259 /// The current control state.
1261 [EditorBrowsable(EditorBrowsableState.Never)]
1262 public ControlState CurrentState { get; }
1265 private EventHandlerWithReturnType<object, WheelEventArgs, bool> WindowWheelEventHandler;
1266 private void OnWindowWheelEvent(object sender, Window.WheelEventArgs e)
1270 if (e.Wheel.Type == Wheel.WheelType.CustomWheel)
1272 var arg = new WheelEventArgs()
1276 WindowWheelEventHandler?.Invoke(this, arg);
1282 /// The expanded touch area.
1283 /// TouchArea can expand the view's touchable area.<br/>
1284 /// If you set the TouchAreaOffset on an view, when you touch the view, the touch area is used rather than the size of the view.<br/>
1287 /// This is based on the top left x, y coordinates.<br/>
1288 /// For example) <br/>
1290 /// view.Size = new Size(100, 100);
1291 /// view.TouchAreaOffset = new Offset(-10, 20, 30, -40); // left, right, bottom, top
1293 /// Then, touch area is 130x170.<br/>
1294 /// This is view.width + TouchAreaOffset.right - TouchAreaOffset.left and view.height + TouchAreaOffset.bottom - TouchAreaOffset.top <br/>
1295 /// +---------------------+ <br/>
1301 /// | +----+----+ | <br/>
1303 /// | -10| | 20 | <br/>
1304 /// |<---+ +----->| <br/>
1307 /// | +----+----+ | <br/>
1312 /// +---------------------+ <br/>
1314 [EditorBrowsable(EditorBrowsableState.Never)]
1315 public Offset TouchAreaOffset
1319 return (Offset)GetValue(TouchAreaOffsetProperty);
1323 SetValue(TouchAreaOffsetProperty, value);
1324 NotifyPropertyChanged();
1328 private Offset InternalTouchAreaOffset
1332 Interop.ActorInternal.GetTouchAreaOffset(SwigCPtr, out int left, out int right, out int bottom, out int top);
1333 if (NDalicPINVOKE.SWIGPendingException.Pending)
1334 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
1335 return new Offset(left, right, bottom, top);
1339 Interop.ActorInternal.SetTouchAreaOffset(SwigCPtr, value.Left, value.Right, value.Bottom, value.Top);
1340 if (NDalicPINVOKE.SWIGPendingException.Pending)
1341 throw NDalicPINVOKE.SWIGPendingException.Retrieve();