7da099fd6b9d491795bd78f1c6cc234ac6145bba
[platform/core/uifw/dali-core.git] / dali / public-api / signals / connection-tracker.h
1 #ifndef DALI_CONNECTION_TRACKER_H
2 #define DALI_CONNECTION_TRACKER_H
3
4 /*
5  * Copyright (c) 2020 Samsung Electronics Co., Ltd.
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  *
19  */
20
21 // INTERNAL INCLUDES
22 #include <dali/public-api/common/dali-common.h>
23 #include <dali/public-api/common/dali-vector.h>
24 #include <dali/public-api/signals/connection-tracker-interface.h>
25
26 namespace Dali
27 {
28 /**
29  * @addtogroup dali_core_signals
30  * @{
31  */
32
33 class CallbackBase;
34 class SlotObserver;
35 class SlotConnection;
36
37 /**
38  * @brief Connection tracker concrete implementation.
39  * @SINCE_1_0.0
40  */
41 class DALI_CORE_API ConnectionTracker : public ConnectionTrackerInterface
42 {
43 public:
44
45   /**
46    * @brief Constructor.
47    * @SINCE_1_0.0
48    */
49   ConnectionTracker();
50
51   /**
52    * @brief Virtual destructor.
53    * @SINCE_1_0.0
54    */
55   virtual ~ConnectionTracker();
56
57   /**
58    * @brief Disconnects all signals from this object.
59    * @SINCE_1_0.0
60    */
61   void DisconnectAll();
62
63   /**
64    * @copydoc ConnectionTrackerInterface::SignalConnected
65    */
66   virtual void SignalConnected( SlotObserver* slotObserver, CallbackBase* callback );
67
68   /**
69    * @copydoc ConnectionTrackerInterface::SignalDisconnected
70    */
71   virtual void SignalDisconnected( SlotObserver* slotObserver, CallbackBase* callback );
72
73   /**
74    * @brief Returns the connection count.
75    * @SINCE_1_0.0
76    * @return The connection count
77    */
78   std::size_t GetConnectionCount() const;
79
80 private:
81
82   ConnectionTracker( const ConnectionTracker& ) = delete; ///< Deleted copy constructor. @SINCE_1_0.0
83   ConnectionTracker( ConnectionTracker&& ) = delete; ///< Deleted move constructor. @SINCE_1_9.25
84   ConnectionTracker& operator=( const ConnectionTracker& ) = delete; ///< Deleted copy assignment operator. @SINCE_1_0.0
85   ConnectionTracker& operator=( ConnectionTracker&& ) = delete;///< Deleted move assignment operator. @SINCE_1_9.25
86
87 private:
88
89   Dali::Vector< SlotConnection* > mConnections; ///< Vector of connection pointers
90 };
91
92 /**
93  * @}
94  */
95 } // namespace Dali
96
97 #endif // DALI_CONNECTION_TRACKER_H