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         protected override void Dispose(DisposeTypes type)
  33         {
  34             if (disposed)
  35             {
  36                 return;
  37             }
  38
  39             //Release your own unmanaged resources here.
  40             //You should not access any managed member here except static instance.
  41             //because the execution order of Finalizes is non-deterministic.
  42             if (swigCPtr.Handle != global::System.IntPtr.Zero)
  43             {
  44                 if (swigCMemOwn)
  45                 {
  46                     swigCMemOwn = false;
  47                     Interop.ComponentApplication.DeleteComponentApplication(swigCPtr);
  48                 }
  49                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
  50             }
  51             base.Dispose(type);
  52         }
  53
  54         public static ComponentApplication NewComponentApplication(string[] args, string stylesheet)
  55         {
  56             ComponentApplication ret = New(args, stylesheet);
  57             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
  58             instance = ret;
  59             return ret;
  60         }
  61
  62         public static ComponentApplication New(string[] args, string stylesheet)
  63         {
  64             int argc = args.Length;
  65             string argvStr = string.Join(" ", args);
  66
  67             IntPtr widgetIntPtr = Interop.ComponentApplication.New(argc, argvStr, stylesheet);
  68
  69             ComponentApplication ret = new ComponentApplication(widgetIntPtr, false);
  70
  71             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
  72
  73             return ret;
  74         }
  75
  76         internal ComponentApplication(ComponentApplication componentApplication) : this(Interop.ComponentApplication.NewComponentApplication(ComponentApplication.getCPtr(componentApplication)), true)
  77         {
  78             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
  79         }
  80
  81         internal ComponentApplication Assign(ComponentApplication componentApplication)
  82         {
  83             ComponentApplication ret = new ComponentApplication(Interop.ComponentApplication.Assign(swigCPtr, ComponentApplication.getCPtr(componentApplication)), false);
  84             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
  85             return ret;
  86         }
  87
  88         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  89         private delegate IntPtr NUIComponentApplicationCreatenativeEventCallbackDelegate();
  90
  91         public delegate IntPtr CreateNativeEventHandler();
  92         private CreateNativeEventHandler applicationCreateNativeEventHandler;
  93         private NUIComponentApplicationCreatenativeEventCallbackDelegate applicationCreateNativeEventCallbackDelegate;
  94
  95         /**
  96           * @brief Event for Initialized signal which can be used to subscribe/unsubscribe the event handler
  97           *  provided by the user. Initialized signal is emitted when application is initialized
  98           */
  99         public event CreateNativeEventHandler CreateNative
 100         {
 101             add
 102             {
 103                 // Restricted to only one listener
 104                 if (applicationCreateNativeEventHandler == null)
 105                 {
 106                     applicationCreateNativeEventHandler += value;
 107
 108                     applicationCreateNativeEventCallbackDelegate = new NUIComponentApplicationCreatenativeEventCallbackDelegate(OnApplicationCreateNative);
 109                     Connect(applicationCreateNativeEventCallbackDelegate);
 110                 }
 111             }
 112
 113             remove
 114             {
 115                 if (applicationCreateNativeEventHandler != null)
 116                 {
 117                     Disconnect(applicationCreateNativeEventCallbackDelegate);
 118                 }
 119
 120                 applicationCreateNativeEventHandler -= value;
 121             }
 122         }
 123
 124
 125         public void Connect(System.Delegate func)
 126         {
 127             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate(func);
 128             {
 129                 Interop.ComponentApplication.CreateNativeSignalConnect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 130                 if (NDalicPINVOKE.SWIGPendingException.Pending)
 131                 {
 132                     throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 133                 }
 134             }
 135         }
 136
 137         public void Disconnect(System.Delegate func)
 138         {
 139             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate<System.Delegate>(func);
 140             {
 141                 Interop.ComponentApplication.CreateNativeSignalDisconnect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 142                 if (NDalicPINVOKE.SWIGPendingException.Pending)
 143                 {
 144                     throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 145                 }
 146             }
 147         }
 148
 149         internal ApplicationSignal CreateNativeSignal()
 150         {
 151             ApplicationSignal ret = new ApplicationSignal(Interop.ComponentApplication.CreateNativeSignal(swigCPtr), false);
 152             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 153             return ret;
 154         }
 155
 156         // Callback for Application InitSignal
 157         private IntPtr OnApplicationCreateNative()
 158         {
 159             return applicationCreateNativeEventHandler?.Invoke() ?? IntPtr.Zero;
 160         }
 161     }
 162 }