X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ffocus-manager%2Fkeyboard-focus-manager-impl.cpp;h=a9822e7dc2ddcc3e8b4da590b1b71bf4a4ce7afd;hp=54d8afabc4c1b5614e5966a02a0b6d4965be10bf;hb=0427f0733297887a3402377de6a083de0e32ce71;hpb=42696af18caff446ca3dd94b78293a61099e9611

diff --git a/dali-toolkit/internal/focus-manager/keyboard-focus-manager-impl.cpp b/dali-toolkit/internal/focus-manager/keyboard-focus-manager-impl.cpp
index 54d8afa..a9822e7 100644
--- a/dali-toolkit/internal/focus-manager/keyboard-focus-manager-impl.cpp
+++ b/dali-toolkit/internal/focus-manager/keyboard-focus-manager-impl.cpp
@@ -86,6 +86,8 @@ DALI_SIGNAL_REGISTRATION( Toolkit, KeyboardFocusManager, "keyboardFocusedActorEn
 
 DALI_TYPE_REGISTRATION_END()
 
+const unsigned int MAX_HISTORY_AMOUNT = 30; ///< Max length of focus history stack
+
 } // unnamed namespace
 
 Toolkit::KeyboardFocusManager KeyboardFocusManager::Get()
@@ -108,13 +110,18 @@ Toolkit::KeyboardFocusManager KeyboardFocusManager::Get()
 }
 
 KeyboardFocusManager::KeyboardFocusManager()
-: mCurrentFocusActor(0),
+: mPreFocusChangeSignal(),
+  mFocusChangedSignal(),
+  mFocusGroupChangedSignal(),
+  mFocusedActorEnterKeySignal(),
+  mCurrentFocusActor( 0 ),
   mFocusIndicatorActor(),
-  mFocusGroupLoopEnabled(false),
-  mIsKeyboardFocusEnabled(false),
-  mIsFocusIndicatorEnabled(false),
-  mIsWaitingKeyboardFocusChangeCommit(false),
-  mSlotDelegate(this)
+  mFocusGroupLoopEnabled( false ),
+  mIsKeyboardFocusEnabled( false ),
+  mIsFocusIndicatorEnabled( false ),
+  mIsWaitingKeyboardFocusChangeCommit( false ),
+  mFocusHistory(),
+  mSlotDelegate( this )
 {
   OnPhysicalKeyboardStatusChanged(PhysicalKeyboard::Get());
 
@@ -149,9 +156,11 @@ bool KeyboardFocusManager::DoSetCurrentFocusActor( const unsigned int actorID )
   if( actor && actor.IsKeyboardFocusable() )
   {
     mIsFocusIndicatorEnabled = true;
-    // Draw the focus indicator upon the focused actor
-    actor.Add( GetFocusIndicatorActor() );
-
+    // Draw the focus indicator upon the focused actor when PhysicalKeyboard is attached
+    if( mIsKeyboardFocusEnabled )
+    {
+      actor.Add( GetFocusIndicatorActor() );
+    }
     // Send notification for the change of focus actor
     if( !mFocusChangedSignal.Empty() )
     {
@@ -163,6 +172,16 @@ bool KeyboardFocusManager::DoSetCurrentFocusActor( const unsigned int actorID )
     // Save the current focused actor
     mCurrentFocusActor = actorID;
 
+    // Push Current Focused Actor to FocusHistory
+    mFocusHistory.PushBack( &actor.GetBaseObject() );
+
+    // Delete first element before add new element when Stack is full.
+    if( mFocusHistory.Count() > MAX_HISTORY_AMOUNT )
+    {
+       FocusStackIterator beginPos = mFocusHistory.Begin();
+       mFocusHistory.Erase( beginPos );
+    }
+
     DALI_LOG_INFO( gLogFilter, Debug::General, "[%s:%d] SUCCEED\n", __FUNCTION__, __LINE__);
     success = true;
   }
@@ -185,6 +204,33 @@ Actor KeyboardFocusManager::GetCurrentFocusGroup()
   return GetFocusGroup(GetCurrentFocusActor());
 }
 
+void KeyboardFocusManager::MoveFocusBackward()
+{
+  // Find Pre Focused Actor when the list size is more than 1
+  if( mFocusHistory.Count() > 1 )
+  {
+    // Delete current focused actor in history
+    FocusStackIterator endPos = mFocusHistory.End();
+    endPos = mFocusHistory.Erase( --endPos );
+
+    // If pre-focused actors are not on stage, remove them in stack
+    while( !Dali::Actor::DownCast(BaseHandle(mFocusHistory[ mFocusHistory.Count() - 1 ])).OnStage() )
+    {
+      endPos = mFocusHistory.Erase( --endPos );
+    }
+
+    // Get pre focused actor
+    BaseObject* object = mFocusHistory[ mFocusHistory.Count() - 1 ];
+    BaseHandle handle( object );
+    Actor preFocusedActor = Dali::Actor::DownCast( handle );
+
+    // Delete pre focused actor in history because it will pushed again by SetCurrentFocusActor()
+    mFocusHistory.Erase( --endPos );
+
+    SetCurrentFocusActor( preFocusedActor );
+ }
+}
+
 bool KeyboardFocusManager::IsLayoutControl(Actor actor) const
 {
   Toolkit::Control control = Toolkit::Control::DownCast(actor);
@@ -622,6 +668,9 @@ void KeyboardFocusManager::OnKeyEvent(const KeyEvent& event)
     {
       // Emit signal to go back to the previous view???
     }
+    else if (keyName == "Escape" && !isAccessibilityEnabled)
+    {
+    }
   }
   else if(event.state == KeyEvent::Up)
   {