Merge "Upload resource only without rendering while aplication is paused" into devel...
[platform/core/uifw/dali-adaptor.git] / dali / internal / adaptor / common / adaptor-impl.cpp
old mode 100644 (file)
new mode 100755 (executable)
index 9d8adc1..50d63ec
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
 
 // CLASS HEADER
 #include <dali/internal/adaptor/common/adaptor-impl.h>
+#include <dali/internal/adaptor/common/adaptor-builder-impl.h>
 
 // EXTERNAL INCLUDES
-#include <dali/public-api/common/dali-common.h>
 #include <dali/public-api/common/stage.h>
 #include <dali/public-api/actors/layer.h>
+#include <dali/public-api/object/any.h>
 #include <dali/devel-api/actors/actor-devel.h>
 #include <dali/integration-api/debug.h>
 #include <dali/integration-api/core.h>
 #include <dali/integration-api/context-notifier.h>
 #include <dali/integration-api/profiling.h>
 #include <dali/integration-api/input-options.h>
+#include <dali/integration-api/events/key-event-integ.h>
 #include <dali/integration-api/events/touch-event-integ.h>
+#include <dali/integration-api/events/wheel-event-integ.h>
+#include <dali/integration-api/processor-interface.h>
+
+#include <fstream>
 
 // INTERNAL INCLUDES
+#include <dali/public-api/dali-adaptor-common.h>
 #include <dali/internal/system/common/thread-controller.h>
 #include <dali/internal/system/common/performance-interface-factory.h>
 #include <dali/internal/adaptor/common/lifecycle-observer.h>
+#include <dali/internal/adaptor/common/thread-controller-interface.h>
+
+#include <dali/internal/graphics/gles/egl-graphics-factory.h>
+#include <dali/internal/graphics/gles/egl-graphics.h> // Temporary until Core is abstracted
 
 #include <dali/devel-api/text-abstraction/font-client.h>
 
 #include <dali/internal/system/common/callback-manager.h>
-#include <dali/devel-api/adaptor-framework/render-surface.h>
 #include <dali/internal/accessibility/common/tts-player-impl.h>
 #include <dali/internal/accessibility/common/accessibility-adaptor-impl.h>
-#include <dali/internal/input/common/gesture-manager.h>
 #include <dali/internal/window-system/common/event-handler.h>
-#include <dali/internal/graphics/gles20/gl-proxy-implementation.h>
-#include <dali/internal/graphics/gles20/gl-implementation.h>
-#include <dali/internal/graphics/gles20/egl-sync-implementation.h>
+#include <dali/internal/graphics/gles/gl-proxy-implementation.h>
+#include <dali/internal/graphics/gles/gl-implementation.h>
+#include <dali/internal/graphics/gles/egl-sync-implementation.h>
 #include <dali/internal/graphics/common/egl-image-extensions.h>
-#include <dali/internal/graphics/gles20/egl-factory.h>
-#include <dali/internal/input/common/imf-manager-impl.h>
 #include <dali/internal/clipboard/common/clipboard-impl.h>
-#include <dali/internal/graphics/common/vsync-monitor.h>
 #include <dali/internal/system/common/object-profiler.h>
 #include <dali/internal/window-system/common/display-connection.h>
 #include <dali/internal/window-system/common/window-impl.h>
+#include <dali/internal/window-system/common/window-render-surface.h>
 
 #include <dali/internal/system/common/logging.h>
-#include <dali/devel-api/adaptor-framework/image-loading.h>
 
 #include <dali/internal/system/common/locale-utils.h>
+#include <dali/internal/imaging/common/image-loader-plugin-proxy.h>
+#include <dali/internal/imaging/common/image-loader.h>
+
+#include <dali/devel-api/adaptor-framework/file-stream.h>
 
 using Dali::TextAbstraction::FontClient;
 
+extern std::string GetSystemCachePath();
+
 namespace Dali
 {
 
@@ -76,28 +88,49 @@ namespace
 thread_local Adaptor* gThreadLocalAdaptor = NULL; // raw thread specific pointer to allow Adaptor::Get
 } // unnamed namespace
 
-Dali::Adaptor* Adaptor::New( Any nativeWindow, RenderSurface *surface, Dali::Configuration::ContextLoss configuration, EnvironmentOptions* environmentOptions )
+Dali::Adaptor* Adaptor::New( Dali::Integration::SceneHolder window, Dali::RenderSurfaceInterface *surface, Dali::Configuration::ContextLoss configuration, EnvironmentOptions* environmentOptions )
 {
   Dali::Adaptor* adaptor = new Dali::Adaptor;
-  Adaptor* impl = new Adaptor( nativeWindow, *adaptor, surface, environmentOptions );
+  Adaptor* impl = new Adaptor( window, *adaptor, surface, environmentOptions );
   adaptor->mImpl = impl;
 
-  impl->Initialize(configuration);
+  Dali::Internal::Adaptor::AdaptorBuilder* mAdaptorBuilder = new AdaptorBuilder();
+  auto graphicsFactory = mAdaptorBuilder->GetGraphicsFactory();
+
+  impl->Initialize( graphicsFactory, configuration );
+  delete mAdaptorBuilder; // Not needed anymore as the graphics interface has now been created
 
   return adaptor;
 }
 
-Dali::Adaptor* Adaptor::New( Dali::Window window, Dali::Configuration::ContextLoss configuration, EnvironmentOptions* environmentOptions )
+Dali::Adaptor* Adaptor::New( Dali::Integration::SceneHolder window, Dali::Configuration::ContextLoss configuration, EnvironmentOptions* environmentOptions )
 {
-  Any winId = window.GetNativeHandle();
-
-  Window& windowImpl = Dali::GetImplementation(window);
-  Dali::Adaptor* adaptor = New( winId, windowImpl.GetSurface(), configuration, environmentOptions );
-  windowImpl.SetAdaptor(*adaptor);
+  Internal::Adaptor::SceneHolder& windowImpl = Dali::GetImplementation( window );
+  Dali::Adaptor* adaptor = New( window, windowImpl.GetSurface(), configuration, environmentOptions );
+  windowImpl.SetAdaptor( *adaptor );
   return adaptor;
 }
 
-void Adaptor::Initialize( Dali::Configuration::ContextLoss configuration )
+Dali::Adaptor* Adaptor::New( GraphicsFactory& graphicsFactory, Dali::Integration::SceneHolder window, Dali::RenderSurfaceInterface *surface, Dali::Configuration::ContextLoss configuration, EnvironmentOptions* environmentOptions )
+{
+  Dali::Adaptor* adaptor = new Dali::Adaptor; // Public adaptor
+  Adaptor* impl = new Adaptor( window, *adaptor, surface, environmentOptions ); // Impl adaptor
+  adaptor->mImpl = impl;
+
+  impl->Initialize( graphicsFactory, configuration );
+
+  return adaptor;
+} // Called second
+
+Dali::Adaptor* Adaptor::New( GraphicsFactory& graphicsFactory, Dali::Integration::SceneHolder window, Dali::Configuration::ContextLoss configuration, EnvironmentOptions* environmentOptions )
+{
+  Internal::Adaptor::SceneHolder& windowImpl = Dali::GetImplementation( window );
+  Dali::Adaptor* adaptor = New( graphicsFactory, window, windowImpl.GetSurface(), configuration, environmentOptions );
+  windowImpl.SetAdaptor( *adaptor );
+  return adaptor;
+} // Called first
+
+void Adaptor::Initialize( GraphicsFactory& graphicsFactory, Dali::Configuration::ContextLoss configuration )
 {
   // all threads here (event, update, and render) will send their logs to TIZEN Platform's LogMessage handler.
   Dali::Integration::Log::LogFunction logFunction( Dali::TizenPlatform::LogMessage );
@@ -115,8 +148,8 @@ void Adaptor::Initialize( Dali::Configuration::ContextLoss configuration )
   {
     dataRetentionPolicy = ResourcePolicy::DALI_DISCARDS_ALL_DATA;
   }
-  // Note, Tizen does not use DALI_RETAINS_ALL_DATA, as it can reload images from
-  // files automatically.
+
+  // Note, Tizen does not use DALI_RETAINS_ALL_DATA, as it can reload images from files automatically.
 
   if( mEnvironmentOptions->PerformanceServerRequired() )
   {
@@ -128,35 +161,37 @@ void Adaptor::Initialize( Dali::Configuration::ContextLoss configuration )
 
   mCallbackManager = CallbackManager::New();
 
-  PositionSize size = mSurface->GetPositionSize();
+  Dali::Internal::Adaptor::SceneHolder* defaultWindow = mWindows.front();
 
-  mGestureManager = new GestureManager(*this, Vector2(size.width, size.height), mCallbackManager, *mEnvironmentOptions);
+  DALI_ASSERT_DEBUG( defaultWindow->GetSurface() && "Surface not initialized" );
 
-  if( mEnvironmentOptions->GetGlesCallTime() > 0 )
-  {
-    mGLES = new GlProxyImplementation( *mEnvironmentOptions );
-  }
-  else
-  {
-    mGLES = new GlImplementation();
-  }
+  mGraphics = &( graphicsFactory.Create() );
+  mGraphics->Initialize( mEnvironmentOptions );
 
-  const Integration::DepthBufferAvailable depthBufferAvailable = static_cast< Integration::DepthBufferAvailable >( mEnvironmentOptions->DepthBufferRequired() );
-  const Integration::StencilBufferAvailable stencilBufferAvailable = static_cast< Integration::StencilBufferAvailable >( mEnvironmentOptions->StencilBufferRequired() );
+  auto eglGraphics = static_cast<EglGraphics *>( mGraphics ); // This interface is temporary until Core has been updated to match
 
-  mEglFactory = new EglFactory( mEnvironmentOptions->GetMultiSamplingLevel(), depthBufferAvailable, stencilBufferAvailable );
+  // This will only be created once
+  eglGraphics->Create();
 
-  EglSyncImplementation* eglSyncImpl = mEglFactory->GetSyncImplementation();
+  GlImplementation& mGLES = eglGraphics->GetGlesInterface();
+  EglSyncImplementation& eglSyncImpl = eglGraphics->GetSyncImplementation();
+  EglContextHelperImplementation& eglContextHelperImpl = eglGraphics->GetContextHelperImplementation();
 
   mCore = Integration::Core::New( *this,
                                   *mPlatformAbstraction,
-                                  *mGLES,
-                                  *eglSyncImpl,
-                                  *mGestureManager,
+                                  mGLES,
+                                  eglSyncImpl,
+                                  eglContextHelperImpl,
                                   dataRetentionPolicy ,
                                   ( 0u != mEnvironmentOptions->GetRenderToFboInterval() ) ? Integration::RenderToFrameBuffer::TRUE : Integration::RenderToFrameBuffer::FALSE,
-                                  depthBufferAvailable,
-                                  stencilBufferAvailable );
+                                  mGraphics->GetDepthBufferRequired(),
+                                  mGraphics->GetStencilBufferRequired() );
+
+  defaultWindow->SetAdaptor( Get() );
+
+  Dali::Integration::SceneHolder defaultSceneHolder( defaultWindow );
+
+  mWindowCreatedSignal.Emit( defaultSceneHolder );
 
   const unsigned int timeInterval = mEnvironmentOptions->GetObjectProfilerInterval();
   if( 0u < timeInterval )
@@ -166,7 +201,7 @@ void Adaptor::Initialize( Dali::Configuration::ContextLoss configuration )
 
   mNotificationTrigger = mTriggerEventFactory.CreateTriggerEvent( MakeCallback( this, &Adaptor::ProcessCoreEvents ), TriggerEventInterface::KEEP_ALIVE_AFTER_TRIGGER);
 
-  mVSyncMonitor = new VSyncMonitor;
+  mDisplayConnection = Dali::DisplayConnection::New( *mGraphics, defaultWindow->GetSurface()->GetSurfaceType() );
 
   mThreadController = new ThreadController( *this, *mEnvironmentOptions );
 
@@ -235,14 +270,58 @@ void Adaptor::Initialize( Dali::Configuration::ContextLoss configuration )
   {
     Integration::SetPanGestureMultitapSmoothingRange( mEnvironmentOptions->GetPanGestureMultitapSmoothingRange() );
   }
+  if( mEnvironmentOptions->GetMinimumPanDistance() >= 0 )
+  {
+    Integration::SetPanGestureMinimumDistance( mEnvironmentOptions->GetMinimumPanDistance() );
+  }
+  if( mEnvironmentOptions->GetMinimumPanEvents() >= 0 )
+  {
+    Integration::SetPanGestureMinimumPanEvents( mEnvironmentOptions->GetMinimumPanEvents() );
+  }
+  if( mEnvironmentOptions->GetMinimumPinchDistance() >= 0 )
+  {
+    Integration::SetPinchGestureMinimumDistance( mEnvironmentOptions->GetMinimumPinchDistance() );
+  }
 
   // Set max texture size
   if( mEnvironmentOptions->GetMaxTextureSize() > 0 )
   {
-    Dali::SetMaxTextureSize( mEnvironmentOptions->GetMaxTextureSize() );
+    Dali::TizenPlatform::ImageLoader::SetMaxTextureSize( mEnvironmentOptions->GetMaxTextureSize() );
   }
 
-  SetupSystemInformation();
+  std::string systemCachePath = GetSystemCachePath();
+  if ( ! systemCachePath.empty() )
+  {
+    Dali::FileStream fileStream( systemCachePath + "gpu-environment.conf", Dali::FileStream::READ | Dali::FileStream::TEXT );
+    std::fstream& stream = dynamic_cast<std::fstream&>( fileStream.GetStream() );
+    if( stream.is_open() )
+    {
+      std::string line;
+      while( std::getline( stream, line ) )
+      {
+        line.erase( line.find_last_not_of( " \t\r\n" ) + 1 );
+        line.erase( 0, line.find_first_not_of( " \t\r\n" ) );
+        if( '#' == *( line.cbegin() ) || line == "" )
+        {
+          continue;
+        }
+
+        std::istringstream stream( line );
+        std::string environmentVariableName, environmentVariableValue;
+        std::getline(stream, environmentVariableName, ' ');
+        if( environmentVariableName == "DALI_ENV_MAX_TEXTURE_SIZE" && mEnvironmentOptions->GetMaxTextureSize() == 0 )
+        {
+          std::getline(stream, environmentVariableValue);
+          setenv( environmentVariableName.c_str() , environmentVariableValue.c_str(), 1 );
+          Dali::TizenPlatform::ImageLoader::SetMaxTextureSize( std::atoi( environmentVariableValue.c_str() ) );
+        }
+      }
+    }
+    else
+    {
+      DALI_LOG_ERROR( "Fail to open file : %s\n", ( systemCachePath + "gpu-environment.conf" ).c_str() );
+    }
+  }
 }
 
 Adaptor::~Adaptor()
@@ -258,19 +337,21 @@ Adaptor::~Adaptor()
     (*iter)->OnDestroy();
   }
 
+  // Clear out all the handles to Windows
+  mWindows.clear();
+
   delete mThreadController; // this will shutdown render thread, which will call Core::ContextDestroyed before exit
-  delete mVSyncMonitor;
-  delete mEventHandler;
   delete mObjectProfiler;
 
   delete mCore;
-  delete mEglFactory;
-  delete mGLES;
-  delete mGestureManager;
+
+  delete mDisplayConnection;
   delete mPlatformAbstraction;
   delete mCallbackManager;
   delete mPerformanceInterface;
 
+  mGraphics->Destroy();
+
   // uninstall it on this thread (main actor thread)
   Dali::Integration::Log::UninstallLogFunction();
 
@@ -283,45 +364,63 @@ Adaptor::~Adaptor()
 
 void Adaptor::Start()
 {
-  // it doesn't support restart after stop at this moment
-  // to support restarting, need more testing
+  // It doesn't support restart after stop at this moment to support restarting, need more testing
   if( READY != mState )
   {
     return;
   }
 
+  mCore->Initialize();
+
+  SetupSystemInformation();
+
   // Start the callback manager
   mCallbackManager->Start();
 
-  // create event handler
-  mEventHandler = new EventHandler( mSurface, *this, *mGestureManager, *this, mDragAndDropDetector );
-
-  if( mDeferredRotationObserver != NULL )
-  {
-    mEventHandler->SetRotationObserver(mDeferredRotationObserver);
-    mDeferredRotationObserver = NULL;
-  }
+  Dali::Internal::Adaptor::SceneHolder* defaultWindow = mWindows.front();
 
   unsigned int dpiHor, dpiVer;
   dpiHor = dpiVer = 0;
-  Dali::DisplayConnection::GetDpi(dpiHor, dpiVer);
 
-  // tell core about the DPI value
-  mCore->SetDpi(dpiHor, dpiVer);
+  defaultWindow->GetSurface()->GetDpi( dpiHor, dpiVer );
 
   // set the DPI value for font rendering
   FontClient fontClient = FontClient::Get();
   fontClient.SetDpi( dpiHor, dpiVer );
 
-  // Tell the core the size of the surface just before we start the render-thread
-  PositionSize size = mSurface->GetPositionSize();
-  mCore->SurfaceResized( size.width, size.height );
-
   // Initialize the thread controller
   mThreadController->Initialize();
 
+  if( !Dali::TizenPlatform::ImageLoader::MaxTextureSizeUpdated() )
+  {
+    auto eglGraphics = static_cast<EglGraphics *>( mGraphics );
+    GlImplementation& mGLES = eglGraphics->GetGlesInterface();
+    Dali::TizenPlatform::ImageLoader::SetMaxTextureSize( mGLES.GetMaxTextureSize() );
+
+    std::string systemCachePath = GetSystemCachePath();
+    if( ! systemCachePath.empty() )
+    {
+      const int dir_err = system( std::string( "mkdir " + systemCachePath ).c_str() );
+      if (-1 == dir_err)
+      {
+          printf("Error creating directory!n");
+          exit(1);
+      }
+
+      Dali::FileStream fileStream( systemCachePath + "gpu-environment.conf", Dali::FileStream::WRITE | Dali::FileStream::TEXT );
+      std::fstream& configFile = dynamic_cast<std::fstream&>( fileStream.GetStream() );
+      if( configFile.is_open() )
+      {
+        configFile << "DALI_ENV_MAX_TEXTURE_SIZE " << mGLES.GetMaxTextureSize() << std::endl;
+      }
+    }
+  }
+
   ProcessCoreEvents(); // Ensure any startup messages are processed.
 
+  // Initialize the image loader plugin
+  Internal::Adaptor::ImageLoaderPluginProxy::Initialize();
+
   for ( ObserverContainer::iterator iter = mObservers.begin(), endIter = mObservers.end(); iter != endIter; ++iter )
   {
     (*iter)->OnStart();
@@ -340,10 +439,10 @@ void Adaptor::Pause()
       (*iter)->OnPause();
     }
 
-    // Reset the event handler when adaptor paused
-    if( mEventHandler )
+    // Pause all windows event handlers when adaptor paused
+    for( auto window : mWindows )
     {
-      mEventHandler->Pause();
+      window->Pause();
     }
 
     mThreadController->Pause();
@@ -351,6 +450,12 @@ void Adaptor::Pause()
 
     // Ensure any messages queued during pause callbacks are processed by doing another update.
     RequestUpdateOnce();
+
+    DALI_LOG_RELEASE_INFO( "Adaptor::Pause: Paused\n" );
+  }
+  else
+  {
+    DALI_LOG_RELEASE_INFO( "Adaptor::Pause: Not paused [%d]\n", mState );
   }
 }
 
@@ -362,10 +467,10 @@ void Adaptor::Resume()
   {
     mState = RUNNING;
 
-    // Reset the event handler when adaptor resumed
-    if( mEventHandler )
+    // Reset the event handlers when adaptor resumed
+    for( auto window : mWindows )
     {
-      mEventHandler->Resume();
+      window->Resume();
     }
 
     // Inform observers that we have resumed.
@@ -374,11 +479,17 @@ void Adaptor::Resume()
       (*iter)->OnResume();
     }
 
-    // trigger processing of events queued up while paused
+    // Trigger processing of events queued up while paused
     mCore->ProcessEvents();
 
     // Do at end to ensure our first update/render after resumption includes the processed messages as well
     mThreadController->Resume();
+
+    DALI_LOG_RELEASE_INFO( "Adaptor::Resume: Resumed\n");
+  }
+  else
+  {
+    DALI_LOG_RELEASE_INFO( "Adaptor::Resume: Not resumed [%d]\n", mState );
   }
 }
 
@@ -396,16 +507,16 @@ void Adaptor::Stop()
     mThreadController->Stop();
 
     // Delete the TTS player
-    for(int i =0; i < Dali::TtsPlayer::MODE_NUM; i++)
+    for( int i =0; i < Dali::TtsPlayer::MODE_NUM; i++ )
     {
-      if(mTtsPlayers[i])
+      if( mTtsPlayers[i] )
       {
         mTtsPlayers[i].Reset();
       }
     }
 
-    delete mEventHandler;
-    mEventHandler = NULL;
+    // Destroy the image loader plugin
+    Internal::Adaptor::ImageLoaderPluginProxy::Destroy();
 
     delete mNotificationTrigger;
     mNotificationTrigger = NULL;
@@ -413,6 +524,8 @@ void Adaptor::Stop()
     mCallbackManager->Stop();
 
     mState = STOPPED;
+
+    DALI_LOG_RELEASE_INFO( "Adaptor::Stop\n" );
   }
 }
 
@@ -431,52 +544,67 @@ void Adaptor::ContextRegained()
 
 void Adaptor::FeedTouchPoint( TouchPoint& point, int timeStamp )
 {
-  mEventHandler->FeedTouchPoint( point, timeStamp );
+  Integration::Point convertedPoint( point );
+  mWindows.front()->FeedTouchPoint( convertedPoint, timeStamp );
 }
 
 void Adaptor::FeedWheelEvent( WheelEvent& wheelEvent )
 {
-  mEventHandler->FeedWheelEvent( wheelEvent );
+  Integration::WheelEvent event( static_cast< Integration::WheelEvent::Type >(wheelEvent.type), wheelEvent.direction, wheelEvent.modifiers, wheelEvent.point, wheelEvent.z, wheelEvent.timeStamp );
+  mWindows.front()->FeedWheelEvent( event );
 }
 
 void Adaptor::FeedKeyEvent( KeyEvent& keyEvent )
 {
-  mEventHandler->FeedKeyEvent( keyEvent );
+  Integration::KeyEvent convertedEvent( keyEvent );
+  mWindows.front()->FeedKeyEvent( convertedEvent );
 }
 
-void Adaptor::ReplaceSurface( Any nativeWindow, RenderSurface& surface )
+void Adaptor::ReplaceSurface( Dali::Integration::SceneHolder window, Dali::RenderSurfaceInterface& newSurface )
 {
-  PositionSize positionSize = surface.GetPositionSize();
+  Internal::Adaptor::SceneHolder* windowImpl = &Dali::GetImplementation( window );
+  for( auto windowPtr : mWindows )
+  {
+    if( windowPtr == windowImpl ) // the window is not deleted
+    {
+      mResizedSignal.Emit( mAdaptor );
 
-  // let the core know the surface size has changed
-  mCore->SurfaceResized( positionSize.width, positionSize.height );
+      windowImpl->SetSurface( &newSurface );
 
-  mResizedSignal.Emit( mAdaptor );
+      // Flush the event queue to give the update-render thread chance
+      // to start processing messages for new camera setup etc as soon as possible
+      ProcessCoreEvents();
 
-  mNativeWindow = nativeWindow;
-  mSurface = &surface;
+      // This method blocks until the render thread has completed the replace.
+      mThreadController->ReplaceSurface( &newSurface );
+      break;
+    }
+  }
+}
 
-  // flush the event queue to give the update-render thread chance
+void Adaptor::DeleteSurface( Dali::RenderSurfaceInterface& surface )
+{
+  // Flush the event queue to give the update-render thread chance
   // to start processing messages for new camera setup etc as soon as possible
   ProcessCoreEvents();
 
-  // this method blocks until the render thread has completed the replace.
-  mThreadController->ReplaceSurface(mSurface);
+  // This method blocks until the render thread has finished rendering the current surface.
+  mThreadController->DeleteSurface( &surface );
 }
 
-RenderSurface& Adaptor::GetSurface() const
+Dali::RenderSurfaceInterface& Adaptor::GetSurface() const
 {
-  return *mSurface;
+  return *mWindows.front()->GetSurface();
 }
 
 void Adaptor::ReleaseSurfaceLock()
 {
-  mSurface->ReleaseLock();
+  mWindows.front()->GetSurface()->ReleaseLock();
 }
 
 Dali::TtsPlayer Adaptor::GetTtsPlayer(Dali::TtsPlayer::Mode mode)
 {
-  if(!mTtsPlayers[mode])
+  if( !mTtsPlayers[mode] )
   {
     // Create the TTS player when it needed, because it can reduce launching time.
     mTtsPlayers[mode] = TtsPlayer::New(mode);
@@ -485,14 +613,14 @@ Dali::TtsPlayer Adaptor::GetTtsPlayer(Dali::TtsPlayer::Mode mode)
   return mTtsPlayers[mode];
 }
 
-bool Adaptor::AddIdle( CallbackBase* callback, bool forceAdd )
+bool Adaptor::AddIdle( CallbackBase* callback, bool hasReturnValue, bool forceAdd )
 {
   bool idleAdded(false);
 
   // Only add an idle if the Adaptor is actually running
   if( RUNNING == mState || READY == mState || forceAdd )
   {
-    idleAdded = mCallbackManager->AddIdleCallback( callback );
+    idleAdded = mCallbackManager->AddIdleCallback( callback, hasReturnValue );
   }
 
   return idleAdded;
@@ -503,6 +631,67 @@ void Adaptor::RemoveIdle( CallbackBase* callback )
   mCallbackManager->RemoveIdleCallback( callback );
 }
 
+void Adaptor::SetPreRenderCallback( CallbackBase* callback )
+{
+  mThreadController->SetPreRenderCallback( callback );
+}
+
+bool Adaptor::AddWindow( Dali::Integration::SceneHolder childWindow, const std::string& childWindowName, const std::string& childWindowClassName, bool childWindowMode )
+{
+  Internal::Adaptor::SceneHolder& windowImpl = Dali::GetImplementation( childWindow );
+  windowImpl.SetAdaptor( Get() );
+
+  // Add the new Window to the container - the order is not important
+  mWindows.push_back( &windowImpl );
+
+  mWindowCreatedSignal.Emit( childWindow );
+
+  return true;
+}
+
+bool Adaptor::RemoveWindow( Dali::Integration::SceneHolder* childWindow )
+{
+  Internal::Adaptor::SceneHolder& windowImpl = Dali::GetImplementation( *childWindow );
+  for ( WindowContainer::iterator iter = mWindows.begin(); iter != mWindows.end(); ++iter )
+  {
+    if( *iter == &windowImpl )
+    {
+      mWindows.erase( iter );
+      return true;
+    }
+  }
+
+  return false;
+}
+
+bool Adaptor::RemoveWindow( std::string childWindowName )
+{
+  for ( WindowContainer::iterator iter = mWindows.begin(); iter != mWindows.end(); ++iter )
+  {
+    if( ( *iter )->GetName() == childWindowName )
+    {
+      mWindows.erase( iter );
+      return true;
+    }
+  }
+
+  return false;
+}
+
+bool Adaptor::RemoveWindow( Internal::Adaptor::SceneHolder* childWindow )
+{
+  for ( WindowContainer::iterator iter = mWindows.begin(); iter != mWindows.end(); ++iter )
+  {
+    if( ( *iter )->GetId() == childWindow->GetId() )
+    {
+      mWindows.erase( iter );
+      return true;
+    }
+  }
+
+  return false;
+}
+
 Dali::Adaptor& Adaptor::Get()
 {
   DALI_ASSERT_ALWAYS( IsAvailable() && "Adaptor not instantiated" );
@@ -529,26 +718,16 @@ void Adaptor::SetRenderRefreshRate( unsigned int numberOfVSyncsPerRender )
   mThreadController->SetRenderRefreshRate( numberOfVSyncsPerRender );
 }
 
-void Adaptor::SetUseHardwareVSync( bool useHardware )
-{
-  mVSyncMonitor->SetUseHardwareVSync( useHardware );
-}
-
-EglFactory& Adaptor::GetEGLFactory() const
+Dali::DisplayConnection& Adaptor::GetDisplayConnectionInterface()
 {
-  DALI_ASSERT_DEBUG( mEglFactory && "EGL Factory not created" );
-  return *mEglFactory;
+  DALI_ASSERT_DEBUG( mDisplayConnection && "Display connection not created" );
+  return *mDisplayConnection;
 }
 
-EglFactoryInterface& Adaptor::GetEGLFactoryInterface() const
+GraphicsInterface& Adaptor::GetGraphicsInterface()
 {
-  return *mEglFactory;
-}
-
-Integration::GlAbstraction& Adaptor::GetGlAbstraction() const
-{
-  DALI_ASSERT_DEBUG( mGLES && "GLImplementation not created" );
-  return *mGLES;
+  DALI_ASSERT_DEBUG( mGraphics && "Graphics interface not created" );
+  return *mGraphics;
 }
 
 Dali::Integration::PlatformAbstraction& Adaptor::GetPlatformAbstractionInterface()
@@ -556,11 +735,6 @@ Dali::Integration::PlatformAbstraction& Adaptor::GetPlatformAbstractionInterface
   return *mPlatformAbstraction;
 }
 
-Dali::Integration::GlAbstraction& Adaptor::GetGlesInterface()
-{
-  return *mGLES;
-}
-
 TriggerEventInterface& Adaptor::GetProcessCoreEventsTrigger()
 {
   return *mNotificationTrigger;
@@ -576,14 +750,14 @@ SocketFactoryInterface& Adaptor::GetSocketFactoryInterface()
   return mSocketFactory;
 }
 
-RenderSurface* Adaptor::GetRenderSurfaceInterface()
+Dali::RenderSurfaceInterface* Adaptor::GetRenderSurfaceInterface()
 {
-  return mSurface;
-}
+  if( !mWindows.empty() )
+  {
+    return mWindows.front()->GetSurface();
+  }
 
-VSyncMonitorInterface* Adaptor::GetVSyncMonitorInterface()
-{
-  return mVSyncMonitor;
+  return nullptr;
 }
 
 TraceInterface& Adaptor::GetKernelTraceInterface()
@@ -607,48 +781,50 @@ Integration::PlatformAbstraction& Adaptor::GetPlatformAbstraction() const
   return *mPlatformAbstraction;
 }
 
-void Adaptor::SetDragAndDropDetector( DragAndDropDetectorPtr detector )
+void Adaptor::DestroyTtsPlayer(Dali::TtsPlayer::Mode mode)
 {
-  mDragAndDropDetector = detector;
-
-  if ( mEventHandler )
+  if( mTtsPlayers[mode] )
   {
-    mEventHandler->SetDragAndDropDetector( detector );
+    mTtsPlayers[mode].Reset();
   }
 }
 
-void Adaptor::SetRotationObserver( RotationObserver* observer )
+Any Adaptor::GetNativeWindowHandle()
 {
-  if( mEventHandler )
-  {
-    mEventHandler->SetRotationObserver( observer );
-  }
-  else if( mState == READY )
-  {
-    // Set once event handler exists
-    mDeferredRotationObserver = observer;
-  }
+  return mWindows.front()->GetNativeHandle();
 }
 
-void Adaptor::DestroyTtsPlayer(Dali::TtsPlayer::Mode mode)
+Any Adaptor::GetNativeWindowHandle( Dali::Actor actor )
 {
-  if(mTtsPlayers[mode])
+  Any nativeWindowHandle;
+
+  Dali::Integration::Scene scene = Dali::Integration::Scene::Get( actor );
+
+  for( auto sceneHolder : mWindows )
   {
-    mTtsPlayers[mode].Reset();
+    if ( scene == sceneHolder->GetScene() )
+    {
+      nativeWindowHandle = sceneHolder->GetNativeHandle();
+      break;
+    }
   }
+
+  return nativeWindowHandle;
 }
 
-void Adaptor::SetMinimumPinchDistance(float distance)
+Any Adaptor::GetGraphicsDisplay()
 {
-  if( mGestureManager )
+  Any display;
+
+  if (mGraphics)
   {
-    mGestureManager->SetMinimumPinchDistance(distance);
+    auto eglGraphics = static_cast<EglGraphics *>( mGraphics ); // This interface is temporary until Core has been updated to match
+
+    EglImplementation& eglImpl = eglGraphics->GetEglImplementation();
+    display = eglImpl.GetDisplay();
   }
-}
 
-Any Adaptor::GetNativeWindowHandle()
-{
-  return mNativeWindow;
+  return display;
 }
 
 void Adaptor::SetUseRemoteSurface(bool useRemoteSurface)
@@ -714,11 +890,10 @@ void Adaptor::RequestUpdate( bool forceUpdate )
     case PAUSED:
     case PAUSED_WHILE_HIDDEN:
     {
-      // When Dali applications are partially visible behind the lock-screen,
-      // the indicator must be updated (therefore allow updates in the PAUSED state)
       if( forceUpdate )
       {
-        mThreadController->RequestUpdateOnce();
+        // Update (and resource upload) without rendering
+        mThreadController->RequestUpdateOnce( UpdateMode::SKIP_RENDER );
       }
       break;
     }
@@ -736,13 +911,13 @@ void Adaptor::RequestProcessEventsOnIdle( bool forceProcess )
   // and we haven't installed the idle notification
   if( ( ! mNotificationOnIdleInstalled ) && ( RUNNING == mState || READY == mState || forceProcess ) )
   {
-    mNotificationOnIdleInstalled = AddIdle( MakeCallback( this, &Adaptor::ProcessCoreEventsFromIdle ), forceProcess );
+    mNotificationOnIdleInstalled = AddIdleEnterer( MakeCallback( this, &Adaptor::ProcessCoreEventsFromIdle ), forceProcess );
   }
 }
 
 void Adaptor::OnWindowShown()
 {
-  if ( PAUSED_WHILE_HIDDEN == mState )
+  if( PAUSED_WHILE_HIDDEN == mState )
   {
     // Adaptor can now be resumed
     mState = PAUSED;
@@ -752,16 +927,58 @@ void Adaptor::OnWindowShown()
     // Force a render task
     RequestUpdateOnce();
   }
+  else if( RUNNING == mState )
+  {
+    // Force a render task
+    RequestUpdateOnce();
+
+    DALI_LOG_RELEASE_INFO( "Adaptor::OnWindowShown: Update requested.\n" );
+  }
+  else
+  {
+    DALI_LOG_RELEASE_INFO( "Adaptor::OnWindowShown: Adaptor is not paused state.[%d]\n", mState );
+  }
 }
 
 void Adaptor::OnWindowHidden()
 {
-  if ( RUNNING == mState )
+  if( RUNNING == mState || READY == mState )
   {
-    Pause();
+    bool allWindowsHidden = true;
 
-    // Adaptor cannot be resumed until the window is shown
-    mState = PAUSED_WHILE_HIDDEN;
+    for( auto window : mWindows )
+    {
+      if ( window->IsVisible() )
+      {
+        allWindowsHidden = false;
+        break;
+      }
+    }
+
+    // Only pause the adaptor when all the windows are hidden
+    if( allWindowsHidden )
+    {
+      if( mState == RUNNING )
+      {
+        Pause();
+
+        // Adaptor cannot be resumed until any window is shown
+        mState = PAUSED_WHILE_HIDDEN;
+      }
+      else  // mState is READY
+      {
+        // Pause the adaptor after the state gets RUNNING
+        mState = PAUSED_WHILE_INITIALIZING;
+      }
+    }
+    else
+    {
+      DALI_LOG_RELEASE_INFO( "Adaptor::OnWindowHidden: Some windows are shown. Don't pause adaptor.\n" );
+    }
+  }
+  else
+  {
+    DALI_LOG_RELEASE_INFO( "Adaptor::OnWindowHidden: Adaptor is not running state.[%d]\n", mState );
   }
 }
 
@@ -772,21 +989,17 @@ void Adaptor::OnDamaged( const DamageArea& area )
   RequestUpdate( false );
 }
 
-void Adaptor::SurfaceResizePrepare( SurfaceSize surfaceSize )
+void Adaptor::SurfaceResizePrepare( Dali::RenderSurfaceInterface* surface, SurfaceSize surfaceSize )
 {
-  // let the core know the surface size has changed
-  mCore->SurfaceResized( surfaceSize.GetWidth(), surfaceSize.GetHeight() );
-
   mResizedSignal.Emit( mAdaptor );
 }
 
-void Adaptor::SurfaceResizeComplete( SurfaceSize surfaceSize )
+void Adaptor::SurfaceResizeComplete( Dali::RenderSurfaceInterface* surface, SurfaceSize surfaceSize )
 {
-  // flush the event queue to give the update-render thread chance
+  // Flush the event queue to give the update-render thread chance
   // to start processing messages for new camera setup etc as soon as possible
   ProcessCoreEvents();
 
-  // this method blocks until the render thread has completed the resizing.
   mThreadController->ResizeSurface();
 }
 
@@ -794,13 +1007,32 @@ void Adaptor::NotifySceneCreated()
 {
   GetCore().SceneCreated();
 
+  // Flush the event queue to give the update-render thread chance
+  // to start processing messages for new camera setup etc as soon as possible
+  ProcessCoreEvents();
+
   // Start thread controller after the scene has been created
   mThreadController->Start();
 
-  // process after surface is created (registering to remote surface provider if required)
+  // Process after surface is created (registering to remote surface provider if required)
   SurfaceInitialized();
 
-  mState = RUNNING;
+  if( mState != PAUSED_WHILE_INITIALIZING )
+  {
+    mState = RUNNING;
+
+    DALI_LOG_RELEASE_INFO( "Adaptor::NotifySceneCreated: Adaptor is running\n" );
+  }
+  else
+  {
+    mState = RUNNING;
+
+    Pause();
+
+    mState = PAUSED_WHILE_HIDDEN;
+
+    DALI_LOG_RELEASE_INFO( "Adaptor::NotifySceneCreated: Adaptor is paused\n" );
+  }
 }
 
 void Adaptor::NotifyLanguageChanged()
@@ -818,96 +1050,137 @@ const LogFactoryInterface& Adaptor::GetLogFactory()
   return *mEnvironmentOptions;
 }
 
+void Adaptor::RegisterProcessor( Integration::Processor& processor )
+{
+  GetCore().RegisterProcessor(processor);
+}
+
+void Adaptor::UnregisterProcessor( Integration::Processor& processor )
+{
+  GetCore().UnregisterProcessor(processor);
+}
+
 void Adaptor::RequestUpdateOnce()
 {
   if( mThreadController )
   {
-    mThreadController->RequestUpdateOnce();
+    mThreadController->RequestUpdateOnce( UpdateMode::NORMAL );
   }
 }
 
-void Adaptor::IndicatorSizeChanged(int height)
-{
-  // let the core know the indicator height is changed
-  mCore->SetTopMargin(height);
-}
-
-void Adaptor::ProcessCoreEventsFromIdle()
+bool Adaptor::ProcessCoreEventsFromIdle()
 {
   ProcessCoreEvents();
 
   // the idle handle automatically un-installs itself
   mNotificationOnIdleInstalled = false;
+
+  return false;
 }
 
-Adaptor::Adaptor(Any nativeWindow, Dali::Adaptor& adaptor, RenderSurface* surface, EnvironmentOptions* environmentOptions)
+Dali::Internal::Adaptor::SceneHolder* Adaptor::GetWindow( Dali::Actor& actor )
+{
+  Dali::Integration::Scene scene = Dali::Integration::Scene::Get( actor );
+
+  for( auto window : mWindows )
+  {
+    if ( scene == window->GetScene() )
+    {
+      return window;
+    }
+  }
+
+  return nullptr;
+}
+
+Dali::WindowContainer Adaptor::GetWindows() const
+{
+  Dali::WindowContainer windows;
+
+  for ( auto iter = mWindows.begin(); iter != mWindows.end(); ++iter )
+  {
+    // Downcast to Dali::Window
+    Dali::Window window( dynamic_cast<Dali::Internal::Adaptor::Window*>( *iter ) );
+    if ( window )
+    {
+      windows.push_back( window );
+    }
+  }
+
+  return windows;
+}
+
+Dali::SceneHolderList Adaptor::GetSceneHolders() const
+{
+  Dali::SceneHolderList sceneHolderList;
+
+  for( auto iter = mWindows.begin(); iter != mWindows.end(); ++iter )
+  {
+    sceneHolderList.push_back( Dali::Integration::SceneHolder( *iter ) );
+  }
+
+  return sceneHolderList;
+}
+
+Adaptor::Adaptor(Dali::Integration::SceneHolder window, Dali::Adaptor& adaptor, Dali::RenderSurfaceInterface* surface, EnvironmentOptions* environmentOptions)
 : mResizedSignal(),
   mLanguageChangedSignal(),
+  mWindowCreatedSignal(),
   mAdaptor( adaptor ),
   mState( READY ),
-  mCore( NULL ),
-  mThreadController( NULL ),
-  mVSyncMonitor( NULL ),
-  mGLES( NULL ),
-  mGlSync( NULL ),
-  mEglFactory( NULL ),
-  mNativeWindow( nativeWindow ),
-  mSurface( surface ),
-  mPlatformAbstraction( NULL ),
-  mEventHandler( NULL ),
-  mCallbackManager( NULL ),
+  mCore( nullptr ),
+  mThreadController( nullptr ),
+  mGraphics( nullptr ),
+  mDisplayConnection( nullptr ),
+  mWindows(),
+  mPlatformAbstraction( nullptr ),
+  mCallbackManager( nullptr ),
   mNotificationOnIdleInstalled( false ),
-  mNotificationTrigger( NULL ),
-  mGestureManager( NULL ),
+  mNotificationTrigger( nullptr ),
   mDaliFeedbackPlugin(),
-  mFeedbackController( NULL ),
+  mFeedbackController( nullptr ),
   mTtsPlayers(),
   mObservers(),
-  mDragAndDropDetector(),
-  mDeferredRotationObserver( NULL ),
   mEnvironmentOptions( environmentOptions ? environmentOptions : new EnvironmentOptions /* Create the options if not provided */),
-  mPerformanceInterface( NULL ),
+  mPerformanceInterface( nullptr ),
   mKernelTracer(),
   mSystemTracer(),
   mTriggerEventFactory(),
-  mObjectProfiler( NULL ),
+  mObjectProfiler( nullptr ),
   mSocketFactory(),
   mEnvironmentOptionsOwned( environmentOptions ? false : true /* If not provided then we own the object */ ),
   mUseRemoteSurface( false )
 {
   DALI_ASSERT_ALWAYS( !IsAvailable() && "Cannot create more than one Adaptor per thread" );
+  mWindows.insert( mWindows.begin(), &Dali::GetImplementation( window ) );
+
   gThreadLocalAdaptor = this;
 }
 
-// Stereoscopy
-
-void Adaptor::SetViewMode( ViewMode viewMode )
+void Adaptor::SetRootLayoutDirection( std::string locale )
 {
-  mSurface->SetViewMode( viewMode );
-  mCore->SetViewMode( viewMode );
-}
+  Dali::Stage stage = Dali::Stage::GetCurrent();
 
-ViewMode Adaptor::GetViewMode() const
-{
-  return mCore->GetViewMode();
+  stage.GetRootLayer().SetProperty( Dali::Actor::Property::LAYOUT_DIRECTION,
+                                    static_cast< LayoutDirection::Type >( Internal::Adaptor::Locale::GetDirection( std::string( locale ) ) ) );
 }
 
-void Adaptor::SetStereoBase( float stereoBase )
+bool Adaptor::AddIdleEnterer( CallbackBase* callback, bool forceAdd )
 {
-  mCore->SetStereoBase( stereoBase );
-}
+  bool idleAdded( false );
 
-float Adaptor::GetStereoBase() const
-{
-  return mCore->GetStereoBase();
+  // Only add an idle if the Adaptor is actually running
+  if( RUNNING == mState || READY == mState || forceAdd )
+  {
+    idleAdded = mCallbackManager->AddIdleEntererCallback( callback );
+  }
+
+  return idleAdded;
 }
 
-void Adaptor::SetRootLayoutDirection( std::string locale )
+void Adaptor::RemoveIdleEnterer( CallbackBase* callback )
 {
-  Dali::Stage stage = Dali::Stage::GetCurrent();
-
-  stage.GetRootLayer().SetProperty( Dali::Actor::Property::LAYOUT_DIRECTION,
-                                    static_cast< LayoutDirection::Type >( Internal::Adaptor::Locale::GetDirection( std::string( locale ) ) ) );
+  mCallbackManager->RemoveIdleEntererCallback( callback );
 }
 
 } // namespace Adaptor