src/Tizen.NUI/src/internal/LongPressGestureDetector.cs

   1 /*
   2  * Copyright(c) 2017 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 namespace Tizen.NUI
  19 {
  20
  21     using System;
  22     using System.Runtime.InteropServices;
  23     using Tizen.NUI.BaseComponents;
  24
  25     internal class LongPressGestureDetector : GestureDetector
  26     {
  27         private global::System.Runtime.InteropServices.HandleRef swigCPtr;
  28
  29         internal LongPressGestureDetector(global::System.IntPtr cPtr, bool cMemoryOwn) : base(NDalicPINVOKE.LongPressGestureDetector_SWIGUpcast(cPtr), cMemoryOwn)
  30         {
  31             swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
  32         }
  33
  34         internal static global::System.Runtime.InteropServices.HandleRef getCPtr(LongPressGestureDetector obj)
  35         {
  36             return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
  37         }
  38
  39         protected override void Dispose(DisposeTypes type)
  40         {
  41             if (disposed)
  42             {
  43                 return;
  44             }
  45
  46             if (type == DisposeTypes.Explicit)
  47             {
  48                 //Called by User
  49                 //Release your own managed resources here.
  50                 //You should release all of your own disposable objects here.
  51
  52             }
  53
  54             //Release your own unmanaged resources here.
  55             //You should not access any managed member here except static instance.
  56             //because the execution order of Finalizes is non-deterministic.
  57
  58             if (swigCPtr.Handle != global::System.IntPtr.Zero)
  59             {
  60                 if (swigCMemOwn)
  61                 {
  62                     swigCMemOwn = false;
  63                     NDalicPINVOKE.delete_LongPressGestureDetector(swigCPtr);
  64                 }
  65                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
  66             }
  67
  68             base.Dispose(type);
  69         }
  70
  71
  72         /// <since_tizen> 3 </since_tizen>
  73         public class DetectedEventArgs : EventArgs
  74         {
  75             private View _view;
  76             private LongPressGesture _longPressGesture;
  77
  78             /// <since_tizen> 3 </since_tizen>
  79             public View View
  80             {
  81                 get
  82                 {
  83                     return _view;
  84                 }
  85                 set
  86                 {
  87                     _view = value;
  88                 }
  89             }
  90
  91             /// <since_tizen> 3 </since_tizen>
  92             public LongPressGesture LongPressGesture
  93             {
  94                 get
  95                 {
  96                     return _longPressGesture;
  97                 }
  98                 set
  99                 {
 100                     _longPressGesture = value;
 101                 }
 102             }
 103         }
 104
 105         [UnmanagedFunctionPointer(CallingConvention.StdCall)]
 106         private delegate void DetectedCallbackDelegate(IntPtr actor, IntPtr longPressGesture);
 107         private DaliEventHandler<object, DetectedEventArgs> _longPressGestureEventHandler;
 108         private DetectedCallbackDelegate _longPressGestureCallbackDelegate;
 109
 110
 111         public event DaliEventHandler<object, DetectedEventArgs> Detected
 112         {
 113             add
 114             {
 115                 lock (this)
 116                 {
 117                     // Restricted to only one listener
 118                     if (_longPressGestureEventHandler == null)
 119                     {
 120                         _longPressGestureEventHandler += value;
 121
 122                         _longPressGestureCallbackDelegate = new DetectedCallbackDelegate(OnLongPressGestureDetected);
 123                         this.DetectedSignal().Connect(_longPressGestureCallbackDelegate);
 124                     }
 125                 }
 126             }
 127
 128             remove
 129             {
 130                 lock (this)
 131                 {
 132                     if (_longPressGestureEventHandler != null)
 133                     {
 134                         this.DetectedSignal().Disconnect(_longPressGestureCallbackDelegate);
 135                     }
 136
 137                     _longPressGestureEventHandler -= value;
 138                 }
 139             }
 140         }
 141
 142         private void OnLongPressGestureDetected(IntPtr actor, IntPtr longPressGesture)
 143         {
 144             DetectedEventArgs e = new DetectedEventArgs();
 145
 146             // Populate all members of "e" (LongPressGestureEventArgs) with real data
 147             e.View = Registry.GetManagedBaseHandleFromNativePtr(actor) as View;
 148             e.LongPressGesture = Tizen.NUI.LongPressGesture.GetLongPressGestureFromPtr(longPressGesture);
 149
 150             if (_longPressGestureEventHandler != null)
 151             {
 152                 //here we send all data to user event handlers
 153                 _longPressGestureEventHandler(this, e);
 154             }
 155
 156         }
 157
 158
 159         public static LongPressGestureDetector GetLongPressGestureDetectorFromPtr(global::System.IntPtr cPtr)
 160         {
 161             LongPressGestureDetector ret = new LongPressGestureDetector(cPtr, false);
 162             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 163             return ret;
 164         }
 165
 166
 167         public LongPressGestureDetector() : this(NDalicPINVOKE.LongPressGestureDetector_New__SWIG_0(), true)
 168         {
 169             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 170
 171         }
 172         public LongPressGestureDetector(uint touchesRequired) : this(NDalicPINVOKE.LongPressGestureDetector_New__SWIG_1(touchesRequired), true)
 173         {
 174             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 175
 176         }
 177         public LongPressGestureDetector(uint minTouches, uint maxTouches) : this(NDalicPINVOKE.LongPressGestureDetector_New__SWIG_2(minTouches, maxTouches), true)
 178         {
 179             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 180
 181         }
 182         public new static LongPressGestureDetector DownCast(BaseHandle handle)
 183         {
 184             LongPressGestureDetector ret =  Registry.GetManagedBaseHandleFromNativePtr(handle) as LongPressGestureDetector;
 185             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 186             return ret;
 187         }
 188
 189         public LongPressGestureDetector(LongPressGestureDetector handle) : this(NDalicPINVOKE.new_LongPressGestureDetector__SWIG_1(LongPressGestureDetector.getCPtr(handle)), true)
 190         {
 191             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 192         }
 193
 194         public LongPressGestureDetector Assign(LongPressGestureDetector rhs)
 195         {
 196             LongPressGestureDetector ret = new LongPressGestureDetector(NDalicPINVOKE.LongPressGestureDetector_Assign(swigCPtr, LongPressGestureDetector.getCPtr(rhs)), false);
 197             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 198             return ret;
 199         }
 200
 201         public void SetTouchesRequired(uint touches)
 202         {
 203             NDalicPINVOKE.LongPressGestureDetector_SetTouchesRequired__SWIG_0(swigCPtr, touches);
 204             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 205         }
 206
 207         public void SetTouchesRequired(uint minTouches, uint maxTouches)
 208         {
 209             NDalicPINVOKE.LongPressGestureDetector_SetTouchesRequired__SWIG_1(swigCPtr, minTouches, maxTouches);
 210             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 211         }
 212
 213         public uint GetMinimumTouchesRequired()
 214         {
 215             uint ret = NDalicPINVOKE.LongPressGestureDetector_GetMinimumTouchesRequired(swigCPtr);
 216             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 217             return ret;
 218         }
 219
 220         public uint GetMaximumTouchesRequired()
 221         {
 222             uint ret = NDalicPINVOKE.LongPressGestureDetector_GetMaximumTouchesRequired(swigCPtr);
 223             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 224             return ret;
 225         }
 226
 227         internal LongPressGestureDetectedSignal DetectedSignal()
 228         {
 229             LongPressGestureDetectedSignal ret = new LongPressGestureDetectedSignal(NDalicPINVOKE.LongPressGestureDetector_DetectedSignal(swigCPtr), false);
 230             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 231             return ret;
 232         }
 233
 234     }
 235
 236 }