dali-toolkit/internal/visuals/animated-vector-image/vector-animation-manager.cpp

   1 /*
   2  * Copyright (c) 2023 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 <dali-toolkit/internal/visuals/animated-vector-image/vector-animation-manager.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/integration-api/adaptor-framework/adaptor.h>
  23 #include <dali/integration-api/debug.h>
  24 #include <dali/integration-api/trace.h>
  25
  26 // INTERNAL INCLUDES
  27 #include <dali-toolkit/internal/visuals/animated-vector-image/vector-animation-thread.h>
  28
  29 namespace Dali
  30 {
  31 namespace Toolkit
  32 {
  33 namespace Internal
  34 {
  35 namespace
  36 {
  37 #if defined(DEBUG_ENABLED)
  38 Debug::Filter* gVectorAnimationLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_VECTOR_ANIMATION");
  39 #endif
  40
  41 DALI_INIT_TRACE_FILTER(gTraceFilter, DALI_TRACE_IMAGE_PERFORMANCE_MARKER, false);
  42
  43 } // unnamed namespace
  44
  45 VectorAnimationManager::VectorAnimationManager()
  46 : mEventCallbacks(),
  47   mLifecycleObservers(),
  48   mVectorAnimationThread(nullptr),
  49   mProcessorRegistered(false)
  50 {
  51 }
  52
  53 VectorAnimationManager::~VectorAnimationManager()
  54 {
  55   mEventCallbacks.clear();
  56
  57   if(mProcessorRegistered && Adaptor::IsAvailable())
  58   {
  59     Adaptor::Get().UnregisterProcessor(*this, true);
  60   }
  61
  62   for(auto observer : mLifecycleObservers)
  63   {
  64     observer->VectorAnimationManagerDestroyed();
  65   }
  66 }
  67
  68 void VectorAnimationManager::AddObserver(VectorAnimationManager::LifecycleObserver& observer)
  69 {
  70   DALI_ASSERT_DEBUG(mLifecycleObservers.end() == std::find(mLifecycleObservers.begin(), mLifecycleObservers.end(), &observer));
  71   mLifecycleObservers.push_back(&observer);
  72 }
  73
  74 void VectorAnimationManager::RemoveObserver(VectorAnimationManager::LifecycleObserver& observer)
  75 {
  76   auto iterator = std::find(mLifecycleObservers.begin(), mLifecycleObservers.end(), &observer);
  77   if(iterator != mLifecycleObservers.end())
  78   {
  79     mLifecycleObservers.erase(iterator);
  80   }
  81 }
  82
  83 VectorAnimationThread& VectorAnimationManager::GetVectorAnimationThread()
  84 {
  85   if(!mVectorAnimationThread)
  86   {
  87     mVectorAnimationThread = std::unique_ptr<VectorAnimationThread>(new VectorAnimationThread());
  88     mVectorAnimationThread->Start();
  89   }
  90   return *mVectorAnimationThread;
  91 }
  92
  93 void VectorAnimationManager::RegisterEventCallback(CallbackBase* callback)
  94 {
  95   mEventCallbacks.emplace_back(std::unique_ptr<Dali::CallbackBase>(callback));
  96
  97   if(!mProcessorRegistered)
  98   {
  99     Adaptor::Get().RegisterProcessor(*this, true); // Use post processor to trigger after layoutting
 100     mProcessorRegistered = true;
 101   }
 102 }
 103
 104 void VectorAnimationManager::UnregisterEventCallback(CallbackBase* callback)
 105 {
 106   auto iter = std::find_if(mEventCallbacks.begin(),
 107                            mEventCallbacks.end(),
 108                            [callback](const std::unique_ptr<CallbackBase>& element) {
 109                              return element.get() == callback;
 110                            });
 111   if(iter != mEventCallbacks.end())
 112   {
 113     mEventCallbacks.erase(iter);
 114
 115     if(mEventCallbacks.empty())
 116     {
 117       if(Adaptor::IsAvailable())
 118       {
 119         Adaptor::Get().UnregisterProcessor(*this, true);
 120         mProcessorRegistered = false;
 121       }
 122     }
 123   }
 124 }
 125
 126 void VectorAnimationManager::Process(bool postProcessor)
 127 {
 128 #ifdef TRACE_ENABLED
 129   if(gTraceFilter && gTraceFilter->IsTraceEnabled())
 130   {
 131     if(mEventCallbacks.size() > 0u)
 132     {
 133       std::ostringstream oss;
 134       oss << "[" << mEventCallbacks.size() << "]";
 135       DALI_TRACE_BEGIN_WITH_MESSAGE(gTraceFilter, "DALI_VECTOR_ANIMATION_MANAGER_PROCESS", oss.str().c_str());
 136     }
 137   }
 138 #endif
 139
 140   for(auto&& iter : mEventCallbacks)
 141   {
 142     CallbackBase::Execute(*iter);
 143   }
 144
 145 #ifdef TRACE_ENABLED
 146   if(gTraceFilter && gTraceFilter->IsTraceEnabled())
 147   {
 148     if(mEventCallbacks.size() > 0u)
 149     {
 150       std::ostringstream oss;
 151       oss << "[" << mEventCallbacks.size() << "]";
 152       DALI_TRACE_END_WITH_MESSAGE(gTraceFilter, "DALI_VECTOR_ANIMATION_MANAGER_PROCESS", oss.str().c_str());
 153     }
 154   }
 155 #endif
 156   mEventCallbacks.clear();
 157
 158   Adaptor::Get().UnregisterProcessor(*this, true);
 159   mProcessorRegistered = false;
 160 }
 161
 162 } // namespace Internal
 163
 164 } // namespace Toolkit
 165
 166 } // namespace Dali