Dali 3D User Interface Engine
singleton-service-impl.cpp
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1 /*
2  * Copyright (c) 2014 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 // CLASS HEADER
19 #include <singleton-service-impl.h>
20 
21 // EXTERNAL INCLUDES
23 
24 // INTERNAL INCLUDES
25 #if defined(DEBUG_ENABLED)
26 #include <tizen-logging.h>
27 Debug::Filter* gSingletonServiceLogFilter = Debug::Filter::New( Debug::NoLogging, false, "LOG_SINGLETON_SERVICE" );
28 
29 // Need to define own macro as the log function is not installed when this object is created so no logging is shown with DALI_LOG_INFO at construction and destruction
30 #define DALI_LOG_SINGLETON_SERVICE_DIRECT(level, message) \
31  if(gSingletonServiceLogFilter && gSingletonServiceLogFilter->IsEnabledFor(level)) { std::string string(message); Dali::TizenPlatform::LogMessage( Debug::DebugInfo, string ); }
32 
33 #define DALI_LOG_SINGLETON_SERVICE(level, format, args...) DALI_LOG_INFO(gSingletonServiceLogFilter, level, format, ## args )
34 
35 #else
36 
37 #define DALI_LOG_SINGLETON_SERVICE_DIRECT(level, message)
38 #define DALI_LOG_SINGLETON_SERVICE(level, format, args...)
39 
40 #endif
41 
42 namespace Dali
43 {
44 
45 namespace Internal
46 {
47 
48 namespace Adaptor
49 {
50 
51 // @todo Start using pthread_key_create if we want to avoid leaking the SingletonService on shutdown
52 namespace
53 {
55 } // unnamed namespace
56 
58 {
59  Dali::SingletonService singletonService( new SingletonService );
60  return singletonService;
61 }
62 
64 {
65  Dali::SingletonService singletonService;
66  if ( gSingletonService )
67  {
68  singletonService = Dali::SingletonService( gSingletonService );
69  }
70  return singletonService;
71 }
72 
73 void SingletonService::Register( const std::type_info& info, BaseHandle singleton )
74 {
75  if( singleton )
76  {
77  DALI_LOG_SINGLETON_SERVICE( Debug::General, "Singleton Added: %s\n", info.name() );
78  mSingletonContainer.insert( SingletonPair( info.name(), singleton ) );
79  }
80 }
81 
83 {
84  mSingletonContainer.clear();
85 }
86 
87 BaseHandle SingletonService::GetSingleton( const std::type_info& info ) const
88 {
89  BaseHandle object;
90 
91  SingletonConstIter iter = mSingletonContainer.find(info.name());
92  if( iter != mSingletonContainer.end() )
93  {
94  object = ( *iter ).second;
95  }
96 
97  return object;
98 }
99 
101 : mSingletonContainer()
102 {
103  // Can only have one instance of SingletonService
104  DALI_ASSERT_ALWAYS( !gSingletonService && "Only one instance of SingletonService is allowed");
105 
106  gSingletonService = this;
107 
108  DALI_LOG_SINGLETON_SERVICE_DIRECT( Debug::Concise, "SingletonService Created\n" );
109 }
110 
112 {
113  gSingletonService = 0;
114 
115  DALI_LOG_SINGLETON_SERVICE_DIRECT( Debug::Concise, "SingletonService Destroyed\n" );
116 }
117 
118 } // namespace Adaptor
119 
120 } // namespace Internal
121 
122 } // namespace Dali
123 
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