2 * Copyright (c) 2018 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <dali/internal/update/manager/scene-graph-frame-callback.h>
22 #include <dali/devel-api/threading/mutex.h>
23 #include <dali/devel-api/update/frame-callback-interface.h>
24 #include <dali/devel-api/update/update-proxy.h>
25 #include <dali/internal/event/update/frame-callback-interface-impl.h>
36 FrameCallback* FrameCallback::New( FrameCallbackInterface& frameCallbackInterface )
38 return new FrameCallback( &frameCallbackInterface );
41 FrameCallback::~FrameCallback()
45 mUpdateProxy->GetRootNode().RemoveObserver( *this );
49 Mutex::ScopedLock lock( mMutex );
50 if( mFrameCallbackInterface )
52 FrameCallbackInterface::Impl::Get( *mFrameCallbackInterface ).DisconnectFromSceneGraphObject();
57 void FrameCallback::ConnectToSceneGraph( UpdateManager& updateManager, TransformManager& transformManager, Node& rootNode )
59 mUpdateProxy = std::unique_ptr< UpdateProxy >( new UpdateProxy( updateManager, transformManager, rootNode ) );
60 rootNode.AddObserver( *this );
63 bool FrameCallback::Update( BufferIndex bufferIndex, float elapsedSeconds, bool nodeHierarchyChanged )
65 bool continueCalling = false;
68 mUpdateProxy->SetCurrentBufferIndex( bufferIndex );
70 if( nodeHierarchyChanged )
72 mUpdateProxy->NodeHierarchyChanged();
75 Mutex::ScopedLock lock( mMutex );
76 if( mFrameCallbackInterface )
78 Dali::UpdateProxy updateProxy( *mUpdateProxy );
79 mFrameCallbackInterface->Update( updateProxy, elapsedSeconds );
80 continueCalling = true;
83 return continueCalling;
86 void FrameCallback::Invalidate()
88 Mutex::ScopedLock lock( mMutex );
89 if( mFrameCallbackInterface )
91 FrameCallbackInterface::Impl::Get( *mFrameCallbackInterface ).DisconnectFromSceneGraphObject();
92 mFrameCallbackInterface = nullptr;
96 void FrameCallback::PropertyOwnerDestroyed( PropertyOwner& owner )
101 FrameCallback::FrameCallback( FrameCallbackInterface* frameCallbackInterface )
103 mFrameCallbackInterface( frameCallbackInterface )
105 if( frameCallbackInterface )
107 FrameCallbackInterface::Impl::Get( *mFrameCallbackInterface ).ConnectToSceneGraphObject( *this );
111 } // namespace SceneGraph
113 } // namespace Internal