src/Tizen.NUI/src/internal/Application/ComponentApplication.cs

   1 /*
   2  * Copyright(c) 2021 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 using System;
  19 using System.Runtime.InteropServices;
  20
  21 namespace Tizen.NUI
  22 {
  23     class ComponentApplication : Application
  24     {
  25         private global::System.Runtime.InteropServices.HandleRef swigCPtr;
  26
  27         internal ComponentApplication(global::System.IntPtr cPtr, bool cMemoryOwn) : base(cPtr, cMemoryOwn)
  28         {
  29             swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
  30         }
  31
  32         internal static global::System.Runtime.InteropServices.HandleRef getCPtr(ComponentApplication obj)
  33         {
  34             return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
  35         }
  36
  37         protected override void Dispose(DisposeTypes type)
  38         {
  39             if (disposed)
  40             {
  41                 return;
  42             }
  43
  44             //Release your own unmanaged resources here.
  45             //You should not access any managed member here except static instance.
  46             //because the execution order of Finalizes is non-deterministic.
  47             if (swigCPtr.Handle != global::System.IntPtr.Zero)
  48             {
  49                 if (swigCMemOwn)
  50                 {
  51                     swigCMemOwn = false;
  52                     Interop.ComponentApplication.DeleteComponentApplication(swigCPtr);
  53                 }
  54                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
  55             }
  56             base.Dispose(type);
  57         }
  58
  59         public static ComponentApplication NewComponentApplication(string[] args, string stylesheet)
  60         {
  61             ComponentApplication ret = New(args, stylesheet);
  62             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
  63             instance = ret;
  64             return ret;
  65         }
  66
  67         public static ComponentApplication New(string[] args, string stylesheet)
  68         {
  69             int argc = args.Length;
  70             string argvStr = string.Join(" ", args);
  71
  72             IntPtr widgetIntPtr = Interop.ComponentApplication.New(argc, argvStr, stylesheet);
  73
  74             ComponentApplication ret = new ComponentApplication(widgetIntPtr, false);
  75
  76             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
  77
  78             return ret;
  79         }
  80
  81         internal ComponentApplication(ComponentApplication componentApplication) : this(Interop.ComponentApplication.NewComponentApplication(ComponentApplication.getCPtr(componentApplication)), true)
  82         {
  83             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
  84         }
  85
  86         internal ComponentApplication Assign(ComponentApplication componentApplication)
  87         {
  88             ComponentApplication ret = new ComponentApplication(Interop.ComponentApplication.Assign(swigCPtr, ComponentApplication.getCPtr(componentApplication)), false);
  89             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
  90             return ret;
  91         }
  92
  93         [UnmanagedFunctionPointer(CallingConvention.StdCall)]
  94         private delegate IntPtr NUIComponentApplicationCreatenativeEventCallbackDelegate();
  95
  96         public delegate IntPtr CreateNativeEventHandler();
  97         private CreateNativeEventHandler applicationCreateNativeEventHandler;
  98         private NUIComponentApplicationCreatenativeEventCallbackDelegate applicationCreateNativeEventCallbackDelegate;
  99
 100         /**
 101           * @brief Event for Initialized signal which can be used to subscribe/unsubscribe the event handler
 102           *  provided by the user. Initialized signal is emitted when application is initialised
 103           */
 104         public event CreateNativeEventHandler CreateNative
 105         {
 106             add
 107             {
 108                 // Restricted to only one listener
 109                 if (applicationCreateNativeEventHandler == null)
 110                 {
 111                     applicationCreateNativeEventHandler += value;
 112
 113                     applicationCreateNativeEventCallbackDelegate = new NUIComponentApplicationCreatenativeEventCallbackDelegate(OnApplicationCreateNative);
 114                     Connect(applicationCreateNativeEventCallbackDelegate);
 115                 }
 116             }
 117
 118             remove
 119             {
 120                 if (applicationCreateNativeEventHandler != null)
 121                 {
 122                     Disconnect(applicationCreateNativeEventCallbackDelegate);
 123                 }
 124
 125                 applicationCreateNativeEventHandler -= value;
 126             }
 127         }
 128
 129
 130         public void Connect(System.Delegate func)
 131         {
 132             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate(func);
 133             {
 134                 Interop.ComponentApplication.CreateNativeSignalConnect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 135                 if (NDalicPINVOKE.SWIGPendingException.Pending)
 136                 {
 137                     throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 138                 }
 139             }
 140         }
 141
 142         public void Disconnect(System.Delegate func)
 143         {
 144             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate<System.Delegate>(func);
 145             {
 146                 Interop.ComponentApplication.CreateNativeSignalDisconnect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 147                 if (NDalicPINVOKE.SWIGPendingException.Pending)
 148                 {
 149                     throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 150                 }
 151             }
 152         }
 153
 154         internal ApplicationSignal CreateNativeSignal()
 155         {
 156             ApplicationSignal ret = new ApplicationSignal(Interop.ComponentApplication.CreateNativeSignal(swigCPtr), false);
 157             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 158             return ret;
 159         }
 160
 161         // Callback for Application InitSignal
 162         private IntPtr OnApplicationCreateNative()
 163         {
 164             return applicationCreateNativeEventHandler?.Invoke() ?? IntPtr.Zero;
 165         }
 166     }
 167 }