src/Tizen.NUI/src/internal/TapGestureDetector.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 TapGestureDetector : GestureDetector
  26     {
  27         private global::System.Runtime.InteropServices.HandleRef swigCPtr;
  28
  29         internal TapGestureDetector(global::System.IntPtr cPtr, bool cMemoryOwn) : base(NDalicPINVOKE.TapGestureDetector_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(TapGestureDetector 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_TapGestureDetector(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 TapGesture _tapGesture;
  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 TapGesture TapGesture
  93             {
  94                 get
  95                 {
  96                     return _tapGesture;
  97                 }
  98                 set
  99                 {
 100                     _tapGesture = value;
 101                 }
 102             }
 103         }
 104
 105         [UnmanagedFunctionPointer(CallingConvention.StdCall)]
 106         private delegate void DetectedCallbackDelegate(IntPtr actor, IntPtr TapGesture);
 107         private DaliEventHandler<object, DetectedEventArgs> _tapGestureEventHandler;
 108         private DetectedCallbackDelegate _tapGestureCallbackDelegate;
 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 (_tapGestureEventHandler == null)
 119                     {
 120                         _tapGestureEventHandler += value;
 121
 122                         _tapGestureCallbackDelegate = new DetectedCallbackDelegate(OnTapGestureDetected);
 123                         this.DetectedSignal().Connect(_tapGestureCallbackDelegate);
 124                     }
 125                 }
 126             }
 127
 128             remove
 129             {
 130                 lock (this)
 131                 {
 132                     if (_tapGestureEventHandler != null)
 133                     {
 134                         this.DetectedSignal().Disconnect(_tapGestureCallbackDelegate);
 135                     }
 136
 137                     _tapGestureEventHandler -= value;
 138                 }
 139             }
 140         }
 141
 142         private void OnTapGestureDetected(IntPtr actor, IntPtr tapGesture)
 143         {
 144             DetectedEventArgs e = new DetectedEventArgs();
 145
 146             // Populate all members of "e" (DetectedEventArgs) with real data
 147             e.View = Registry.GetManagedBaseHandleFromNativePtr(actor) as View;
 148             e.TapGesture = Tizen.NUI.TapGesture.GetTapGestureFromPtr(tapGesture);
 149
 150             if (_tapGestureEventHandler != null)
 151             {
 152                 //here we send all data to user event handlers
 153                 _tapGestureEventHandler(this, e);
 154             }
 155
 156         }
 157
 158
 159         public static TapGestureDetector GetTapGestureDetectorFromPtr(global::System.IntPtr cPtr)
 160         {
 161             TapGestureDetector ret = new TapGestureDetector(cPtr, false);
 162             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 163             return ret;
 164         }
 165
 166
 167         public TapGestureDetector() : this(NDalicPINVOKE.TapGestureDetector_New__SWIG_0(), true)
 168         {
 169             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 170
 171         }
 172         public TapGestureDetector(uint tapsRequired) : this(NDalicPINVOKE.TapGestureDetector_New__SWIG_1(tapsRequired), true)
 173         {
 174             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 175
 176         }
 177         public new static TapGestureDetector DownCast(BaseHandle handle)
 178         {
 179             TapGestureDetector ret =  Registry.GetManagedBaseHandleFromNativePtr(handle) as TapGestureDetector;
 180             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 181             return ret;
 182         }
 183
 184         public TapGestureDetector(TapGestureDetector handle) : this(NDalicPINVOKE.new_TapGestureDetector__SWIG_1(TapGestureDetector.getCPtr(handle)), true)
 185         {
 186             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 187         }
 188
 189         public TapGestureDetector Assign(TapGestureDetector rhs)
 190         {
 191             TapGestureDetector ret = new TapGestureDetector(NDalicPINVOKE.TapGestureDetector_Assign(swigCPtr, TapGestureDetector.getCPtr(rhs)), false);
 192             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 193             return ret;
 194         }
 195
 196         public void SetMinimumTapsRequired(uint minimumTaps)
 197         {
 198             NDalicPINVOKE.TapGestureDetector_SetMinimumTapsRequired(swigCPtr, minimumTaps);
 199             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 200         }
 201
 202         public void SetMaximumTapsRequired(uint maximumTaps)
 203         {
 204             NDalicPINVOKE.TapGestureDetector_SetMaximumTapsRequired(swigCPtr, maximumTaps);
 205             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 206         }
 207
 208         public uint GetMinimumTapsRequired()
 209         {
 210             uint ret = NDalicPINVOKE.TapGestureDetector_GetMinimumTapsRequired(swigCPtr);
 211             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 212             return ret;
 213         }
 214
 215         public uint GetMaximumTapsRequired()
 216         {
 217             uint ret = NDalicPINVOKE.TapGestureDetector_GetMaximumTapsRequired(swigCPtr);
 218             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 219             return ret;
 220         }
 221
 222         internal TapGestureDetectedSignal DetectedSignal()
 223         {
 224             TapGestureDetectedSignal ret = new TapGestureDetectedSignal(NDalicPINVOKE.TapGestureDetector_DetectedSignal(swigCPtr), false);
 225             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 226             return ret;
 227         }
 228
 229     }
 230
 231 }