X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fcontrols%2Fcontrol%2Fcontrol-data-impl.cpp;h=2469beb5ed332ac4602486db7c2a7b42e115f0fb;hp=81fa0358011622831f9e84da17e3c72c3169827d;hb=b977f2ca75522fc2eb536eef07f1180ec4377589;hpb=d1a97b5cce077def256ed64dbe1221c9d7b8228c

diff --git a/dali-toolkit/internal/controls/control/control-data-impl.cpp b/dali-toolkit/internal/controls/control/control-data-impl.cpp
index 81fa035..2469beb 100644
--- a/dali-toolkit/internal/controls/control/control-data-impl.cpp
+++ b/dali-toolkit/internal/controls/control/control-data-impl.cpp
@@ -151,6 +151,19 @@ Toolkit::Visual::Base GetVisualByName(
 }
 
 /**
+ * Move visual from source to destination container
+ */
+void MoveVisual( RegisteredVisualContainer::Iterator sourceIter, RegisteredVisualContainer& source, RegisteredVisualContainer& destination )
+{
+   Toolkit::Visual::Base visual = (*sourceIter)->visual;
+   if( visual )
+   {
+     RegisteredVisual* rv = source.Release( sourceIter );
+     destination.PushBack( rv );
+   }
+}
+
+/**
  * Performs actions as requested using the action name.
  * @param[in] object The object on which to perform the action.
  * @param[in] actionName The action to perform.
@@ -262,6 +275,24 @@ TypeAction registerAction( typeRegistration, ACTION_ACCESSIBILITY_ACTIVATED, &Do
 
 DALI_TYPE_REGISTRATION_END()
 
+/**
+ * @brief Iterate through given container and setOffStage any visual found
+ *
+ * @param[in] container Container of visuals
+ * @param[in] parent Parent actor to remove visuals from
+ */
+void SetVisualsOffStage( const RegisteredVisualContainer& container, Actor parent )
+{
+  for( auto iter = container.Begin(), end = container.End() ; iter!= end; iter++)
+  {
+    if( (*iter)->visual )
+    {
+      DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Control::SetOffStage Setting visual(%d) off stage\n", (*iter)->index );
+      Toolkit::GetImplementation((*iter)->visual).SetOffStage( parent );
+    }
+  }
+}
+
 } // unnamed namespace
 
 
@@ -341,48 +372,6 @@ void Control::Impl::LongPressDetected(Actor actor, const LongPressGesture& longP
   mControlImpl.OnLongPress(longPress);
 }
 
-// Called by a Visual when it's resource is ready
-void Control::Impl::ResourceReady( Visual::Base& object)
-{
-
-  // go through and check if all the visuals are ready, if they are emit a signal
-  for ( RegisteredVisualContainer::ConstIterator visualIter = mVisuals.Begin();
-        visualIter != mVisuals.End(); ++visualIter )
-  {
-    const Toolkit::Visual::Base visual = (*visualIter)->visual;
-    const Internal::Visual::Base& visualImpl = Toolkit::GetImplementation( visual );
-
-    // one of the visuals is not ready
-    if( !visualImpl.IsResourceReady() )
-    {
-      return;
-    }
-  }
-
-  // all the visuals are ready
-  Dali::Toolkit::Control handle( mControlImpl.GetOwner() );
-  mResourceReadySignal.Emit( handle );
-
-}
-
-bool Control::Impl::IsResourceReady() const
-{
-  // go through and check all the visuals are ready
-  for ( RegisteredVisualContainer::ConstIterator visualIter = mVisuals.Begin();
-         visualIter != mVisuals.End(); ++visualIter )
-   {
-     const Toolkit::Visual::Base visual = (*visualIter)->visual;
-     const Internal::Visual::Base& visualImpl = Toolkit::GetImplementation( visual );
-
-     // one of the visuals is not ready
-     if( !visualImpl.IsResourceReady()  )
-     {
-       return false;
-     }
-   }
-  return true;
-}
-
 void Control::Impl::RegisterVisual( Property::Index index, Toolkit::Visual::Base& visual )
 {
   RegisterVisual( index, visual, VisualState::ENABLED, DepthIndexValue::NOT_SET );
@@ -405,33 +394,69 @@ void Control::Impl::RegisterVisual( Property::Index index, Toolkit::Visual::Base
 
 void Control::Impl::RegisterVisual( Property::Index index, Toolkit::Visual::Base& visual, VisualState::Type enabled, DepthIndexValue::Type depthIndexValueSet, int depthIndex )
 {
+  DALI_LOG_INFO( gLogFilter, Debug::Concise, "RegisterVisual:%d \n", index );
+
   bool visualReplaced ( false );
   Actor self = mControlImpl.Self();
 
+  // Set the depth index, if not set by caller this will be either the current visual depth, max depth of all visuals
+  // or zero.
+  int requiredDepthIndex = visual.GetDepthIndex();
+
+  if( depthIndexValueSet == DepthIndexValue::SET )
+  {
+    requiredDepthIndex = depthIndex;
+  }
+
+  // Visual replacement, existing visual should only be removed from stage when replacement ready.
   if( !mVisuals.Empty() )
   {
-    RegisteredVisualContainer::Iterator iter;
-    // Check if visual (index) is already registered.  Replace if so.
-    if ( FindVisual( index, mVisuals, iter ) )
+    RegisteredVisualContainer::Iterator registeredVisualsiter;
+    // Check if visual (index) is already registered, this is the current visual.
+    if( FindVisual( index, mVisuals, registeredVisualsiter ) )
     {
-      if( (*iter)->visual && self.OnStage() )
+      Toolkit::Visual::Base& currentRegisteredVisual = (*registeredVisualsiter)->visual;
+      if( currentRegisteredVisual )
       {
-        Toolkit::GetImplementation((*iter)->visual).SetOffStage( self );
-      }
+        // Store current visual depth index as may need to set the replacement visual to same depth
+        const int currentDepthIndex = (*registeredVisualsiter)->visual.GetDepthIndex();
 
-      // If we've not set the depth-index value and the new visual does not have a depth index applied to it, then use the previously set depth-index for this index
-      if( ( depthIndexValueSet == DepthIndexValue::NOT_SET ) &&
-          ( visual.GetDepthIndex() == 0 ) )
-      {
-        const int currentDepthIndex = (*iter)->visual.GetDepthIndex();
-        visual.SetDepthIndex( currentDepthIndex );
-      }
+        // No longer required to know if the replaced visual's resources are ready
+        StopObservingVisual( currentRegisteredVisual );
+
+        // If control staged and visual enabled then visuals will be swapped once ready
+        if(  self.OnStage() && enabled )
+        {
+          // Check if visual is currently in the process of being replaced ( is in removal container )
+          RegisteredVisualContainer::Iterator visualQueuedForRemoval;
+          if ( FindVisual( index, mRemoveVisuals, visualQueuedForRemoval ) )
+          {
+            // Visual with same index is already in removal container so current visual pending
+            // Only the the last requested visual will be displayed so remove current visual which is staged but not ready.
+            Toolkit::GetImplementation( currentRegisteredVisual ).SetOffStage( self );
+            mVisuals.Erase( registeredVisualsiter );
+          }
+          else
+          {
+            // current visual not already in removal container so add now.
+            DALI_LOG_INFO( gLogFilter, Debug::Verbose, "RegisterVisual Move current registered visual to removal Queue: %d \n", index );
+            MoveVisual( registeredVisualsiter, mVisuals, mRemoveVisuals );
+          }
+        }
+        else
+        {
+          // Control not staged or visual disabled so can just erase from registered visuals and new visual will be added later.
+          mVisuals.Erase( registeredVisualsiter );
+        }
 
-      StopObservingVisual( (*iter)->visual );
-      StartObservingVisual( visual );
+        // If we've not set the depth-index value and the new visual does not have a depth index applied to it, then use the previously set depth-index for this index
+        if( ( depthIndexValueSet == DepthIndexValue::NOT_SET ) &&
+            ( visual.GetDepthIndex() == 0 ) )
+        {
+          requiredDepthIndex = currentDepthIndex;
+        }
+      }
 
-      (*iter)->visual = visual;
-      (*iter)->enabled = ( enabled == VisualState::ENABLED ) ? true : false;
       visualReplaced = true;
     }
   }
@@ -458,14 +483,12 @@ void Control::Impl::RegisterVisual( Property::Index index, Toolkit::Visual::Base
 
   if( !visualReplaced ) // New registration entry
   {
-    mVisuals.PushBack( new RegisteredVisual( index, visual, ( enabled == VisualState::ENABLED ? true : false ) ) );
-
-    // monitor when the visuals resources are ready
+    // monitor when the visual resources are ready
     StartObservingVisual( visual );
 
     // If we've not set the depth-index value, we have more than one visual and the visual does not have a depth index, then set it to be the highest
     if( ( depthIndexValueSet == DepthIndexValue::NOT_SET ) &&
-        ( mVisuals.Size() > 1 ) &&
+        ( mVisuals.Size() > 0 ) &&
         ( visual.GetDepthIndex() == 0 ) )
     {
       int maxDepthIndex = std::numeric_limits< int >::min();
@@ -480,28 +503,34 @@ void Control::Impl::RegisterVisual( Property::Index index, Toolkit::Visual::Base
           maxDepthIndex = visualDepthIndex;
         }
       }
-
       ++maxDepthIndex; // Add one to the current maximum depth index so that our added visual appears on top
-      visual.SetDepthIndex( maxDepthIndex );
+      requiredDepthIndex = std::max( 0, maxDepthIndex ); // Start at zero if maxDepth index belongs to a background
     }
   }
 
   if( visual )
   {
-    // If the caller has set the depth-index, then set it here
-    if( depthIndexValueSet == DepthIndexValue::SET )
-    {
-      visual.SetDepthIndex( depthIndex );
-    }
+    // Set determined depth index
+    visual.SetDepthIndex( requiredDepthIndex );
+
+    // Monitor when the visual resources are ready
+    StartObservingVisual( visual );
+
+    DALI_LOG_INFO( gLogFilter, Debug::Concise, "New Visual registration index[%d] depth[%d]\n", index, requiredDepthIndex );
+    RegisteredVisual* newRegisteredVisual  = new RegisteredVisual( index, visual,
+                                             ( enabled == VisualState::ENABLED ? true : false ),
+                                             ( visualReplaced && enabled ) ) ;
+    mVisuals.PushBack( newRegisteredVisual );
 
     // Put on stage if enabled and the control is already on the stage
+    // Visual must be set on stage for the renderer to be created and the ResourceReady triggered.
     if( ( enabled == VisualState::ENABLED ) && self.OnStage() )
     {
       Toolkit::GetImplementation(visual).SetOnStage( self );
     }
   }
 
-  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Control::RegisterVisual() Registered %s(%d), enabled:%s\n",  visual.GetName().c_str(), index, enabled?"T":"F" );
+  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Control::RegisterVisual() Registered %s(%d), enabled:%s\n",  visual.GetName().c_str(), index, enabled?"true":"false" );
 }
 
 void Control::Impl::UnregisterVisual( Property::Index index )
@@ -532,6 +561,8 @@ Toolkit::Visual::Base Control::Impl::GetVisual( Property::Index index ) const
 
 void Control::Impl::EnableVisual( Property::Index index, bool enable )
 {
+  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Control::EnableVisual Visual (%d)\n", index);
+
   RegisteredVisualContainer::Iterator iter;
   if ( FindVisual( index, mVisuals, iter ) )
   {
@@ -585,6 +616,65 @@ void Control::Impl::StartObservingVisual( Toolkit::Visual::Base& visual)
   visualImpl.AddResourceObserver( *this );
 }
 
+// Called by a Visual when it's resource is ready
+void Control::Impl::ResourceReady( Visual::Base& object)
+{
+  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "ResourceReady replacements pending[%d]\n", mRemoveVisuals.Count() );
+
+  Actor self = mControlImpl.Self();
+
+  // A resource is ready, find resource in the registered visuals container and get its index
+  for( auto registeredIter = mVisuals.Begin(),  end = mVisuals.End(); registeredIter != end; ++registeredIter )
+  {
+    Internal::Visual::Base& registeredVisualImpl = Toolkit::GetImplementation( (*registeredIter)->visual );
+
+    if( &object == &registeredVisualImpl )
+    {
+      RegisteredVisualContainer::Iterator visualToRemoveIter;
+      // Find visual with the same index in the removal container
+      // Set if off stage as it's replacement is now ready.
+      // Remove if from removal list as now removed from stage.
+      // Set Pending flag on the ready visual to false as now ready.
+      if( FindVisual( (*registeredIter)->index, mRemoveVisuals, visualToRemoveIter ) )
+      {
+        (*registeredIter)->pending = false;
+        Toolkit::GetImplementation( (*visualToRemoveIter)->visual ).SetOffStage( self );
+        mRemoveVisuals.Erase( visualToRemoveIter );
+      }
+      break;
+    }
+  }
+
+  // A visual is ready so control may need relayouting
+  mControlImpl.RelayoutRequest();
+
+  // Emit signal if all enabled visuals registered by the control are ready.
+  if( IsResourceReady() )
+  {
+    Dali::Toolkit::Control handle( mControlImpl.GetOwner() );
+    mResourceReadySignal.Emit( handle );
+  }
+}
+
+bool Control::Impl::IsResourceReady() const
+{
+  // Iterate through and check all the enabled visuals are ready
+  for( auto visualIter = mVisuals.Begin();
+         visualIter != mVisuals.End(); ++visualIter )
+  {
+    const Toolkit::Visual::Base visual = (*visualIter)->visual;
+    const Internal::Visual::Base& visualImpl = Toolkit::GetImplementation( visual );
+
+    // one of the enabled visuals is not ready
+    if( !visualImpl.IsResourceReady() && (*visualIter)->enabled )
+    {
+      return false;
+    }
+  }
+  return true;
+}
+
+
 Dali::Animation Control::Impl::CreateTransition( const Toolkit::TransitionData& handle )
 {
   Dali::Animation transition;
@@ -1182,6 +1272,32 @@ void Control::Impl::SetSubState( const std::string& subStateName, bool withTrans
   }
 }
 
+void Control::Impl::OnStageDisconnection()
+{
+  Actor self = mControlImpl.Self();
+
+  // Any visuals set for replacement but not yet ready should still be registered.
+  // Reason: If a request was made to register a new visual but the control removed from stage before visual was ready
+  // then when this control appears back on stage it should use that new visual.
+
+  // Iterate through all registered visuals and set off stage
+  SetVisualsOffStage( mVisuals, self );
+
+  // Visuals pending replacement can now be taken out of the removal list and set off stage
+  // Iterate through all replacement visuals and add to a move queue then set off stage
+  for( auto removalIter = mRemoveVisuals.Begin(), end = mRemoveVisuals.End(); removalIter != end; removalIter++ )
+  {
+    Toolkit::GetImplementation((*removalIter)->visual).SetOffStage( self );
+  }
+
+  for( auto replacedIter = mVisuals.Begin(), end = mVisuals.End(); replacedIter != end; replacedIter++ )
+  {
+    (*replacedIter)->pending = false;
+  }
+
+  mRemoveVisuals.Clear();
+}
+
 } // namespace Internal
 
 } // namespace Toolkit