-//
-// Copyright (c) 2014 Samsung Electronics Co., Ltd.
-//
-// Licensed under the Flora License, Version 1.0 (the License);
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://floralicense.org/license/
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an AS IS BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
+/*
+ * Copyright (c) 2014 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.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
// CLASS HEADER
#include "keyinput-focus-manager-impl.h"
+// EXTERNAL INCLUDES
+#include <cstring> // for strcmp
+#include <dali/public-api/actors/layer.h>
+#include <dali/public-api/common/stage.h>
+#include <dali/devel-api/common/stage-devel.h>
+
// INTERNAL INCLUDES
#include <dali-toolkit/public-api/controls/control-impl.h>
#include <dali/integration-api/debug.h>
namespace Internal
{
+namespace
+{
+
+// Signals
+
+const char* const SIGNAL_KEY_INPUT_FOCUS_CHANGED = "keyInputFocusChanged";
+
+}
+
KeyInputFocusManager::KeyInputFocusManager()
-: mSlotDelegate( this )
+: mSlotDelegate( this ),
+ mCurrentFocusControl()
{
- Stage::GetCurrent().KeyEventSignal().Connect(mSlotDelegate, &KeyInputFocusManager::OnKeyEvent);
+ DevelStage::KeyEventGeneratedSignal( Stage::GetCurrent() ).Connect(mSlotDelegate, &KeyInputFocusManager::OnKeyEvent);
}
KeyInputFocusManager::~KeyInputFocusManager()
{
}
-void KeyInputFocusManager::SetFocus(Toolkit::Control control)
+void KeyInputFocusManager::SetFocus( Toolkit::Control control )
{
- if(!control)
+ if( !control )
{
- //No-op
+ // No-op
return;
}
- unsigned int actorID = control.GetId();
-
- ActorQueueIterator pos = std::find( mFocusActorsQueue.begin(), mFocusActorsQueue.end(), actorID);
-
- if((!mFocusActorsQueue.empty()) && (pos == mFocusActorsQueue.begin()))
+ if( control == mCurrentFocusControl )
{
- //Actor allready in front, so No-op
+ // Control already has focus
return;
}
- if(pos != mFocusActorsQueue.end())
- {
- //A previously focused actor wants to regain focus
- mFocusActorsQueue.erase(pos);
- }
- else
- {
- control.OffStageSignal().Connect( mSlotDelegate, &KeyInputFocusManager::OnFocusActorStageDisconnection );
- }
+ control.OffStageSignal().Connect( mSlotDelegate, &KeyInputFocusManager::OnFocusControlStageDisconnection );
- Dali::Toolkit::Control previousFocusControl;
- if(!mFocusActorsQueue.empty())
+ Dali::Toolkit::Control previousFocusControl = GetCurrentFocusControl();
+ if( previousFocusControl )
{
- previousFocusControl = Dali::Toolkit::Control::DownCast(Stage::GetCurrent().GetRootLayer().FindChildById(mFocusActorsQueue.front()));
- if(previousFocusControl)
- {
- // Notify the control that it has lost key input focus
- previousFocusControl.GetImplementation().OnKeyInputFocusLost();
- }
+ // Notify the control that it has lost key input focus
+ GetImplementation( previousFocusControl ).OnKeyInputFocusLost();
}
- mFocusActorsQueue.push_front(actorID);
+ // Set control to currentFocusControl
+ mCurrentFocusControl = control;
// Tell the new actor that it has gained focus.
- control.GetImplementation().OnKeyInputFocusGained();
+ GetImplementation( control ).OnKeyInputFocusGained();
// Emit the signal to inform focus change to the application.
- if ( !mKeyInputFocusChangedSignalV2.Empty() )
+ if ( !mKeyInputFocusChangedSignal.Empty() )
{
- mKeyInputFocusChangedSignalV2.Emit( control, previousFocusControl );
+ mKeyInputFocusChangedSignal.Emit( control, previousFocusControl );
}
}
-Control KeyInputFocusManager::GetCurrentFocusControl() const
+void KeyInputFocusManager::RemoveFocus( Toolkit::Control control )
{
- Control currentFocusControl;
-
- if(!mFocusActorsQueue.empty())
- {
- currentFocusControl = Dali::Toolkit::Control::DownCast(Stage::GetCurrent().GetRootLayer().FindChildById(mFocusActorsQueue.front()));
- }
-
- return currentFocusControl;
-}
-
-void KeyInputFocusManager::RemoveFocus(Toolkit::Control control)
-{
- if(control)
+ if( control == mCurrentFocusControl )
{
- unsigned int actorId = control.GetId();
- ActorQueueIterator pos = std::find( mFocusActorsQueue.begin(), mFocusActorsQueue.end(), actorId);
+ control.OffStageSignal().Disconnect( mSlotDelegate, &KeyInputFocusManager::OnFocusControlStageDisconnection );
- if(pos != mFocusActorsQueue.end())
- {
- control.OffStageSignal().Disconnect( mSlotDelegate, &KeyInputFocusManager::OnFocusActorStageDisconnection );
+ // Notify the control that it has lost key input focus
+ GetImplementation( control ).OnKeyInputFocusLost();
- // Notify the control that it has lost key input focus
- control.GetImplementation().OnKeyInputFocusLost();
-
- if(pos == mFocusActorsQueue.begin())
- {
- Actor previousFocusActor;
-
- mFocusActorsQueue.erase(pos);
- if(!mFocusActorsQueue.empty())
- {
- previousFocusActor = Stage::GetCurrent().GetRootLayer().FindChildById(mFocusActorsQueue.front());
- }
-
- Dali::Toolkit::Control previouscontrol = Dali::Toolkit::Control::DownCast(previousFocusActor);
- if(previouscontrol)
- {
- // Tell the new actor that it has gained focus.
- previouscontrol.GetImplementation().OnKeyInputFocusGained();
- }
- }
- else
- {
- //If the removed actor is not currently focused, then no need to emit signal.
- mFocusActorsQueue.erase(pos);
- }
-
- }
+ mCurrentFocusControl.Reset();
}
}
-bool KeyInputFocusManager::IsKeyboardListener(Toolkit::Control control) const
+Toolkit::Control KeyInputFocusManager::GetCurrentFocusControl() const
{
- bool result = false;
-
- if(!mFocusActorsQueue.empty())
- {
- unsigned int actorId = control.GetId();
- ActorQueueConstIterator pos = std::find(mFocusActorsQueue.begin(), mFocusActorsQueue.end(), actorId);
-
- if(pos != mFocusActorsQueue.end())
- {
- result = true;
- }
- }
-
- return result;
+ return mCurrentFocusControl;
}
-Toolkit::KeyInputFocusManager::KeyInputFocusChangedSignalV2& KeyInputFocusManager::KeyInputFocusChangedSignal()
+Toolkit::KeyInputFocusManager::KeyInputFocusChangedSignalType& KeyInputFocusManager::KeyInputFocusChangedSignal()
{
- return mKeyInputFocusChangedSignalV2;
+ return mKeyInputFocusChangedSignal;
}
-Toolkit::KeyInputFocusManager::UnhandledKeyEventSignalV2& KeyInputFocusManager::UnhandledKeyEventSignal()
+bool KeyInputFocusManager::OnKeyEvent( const KeyEvent& event )
{
- return mUnhandledKeyEventSignalV2;
+ bool consumed = false;
+
+ Toolkit::Control control = GetCurrentFocusControl();
+ if( control )
+ {
+ // Notify the control about the key event
+ consumed = EmitKeyEventSignal( control, event );
+ }
+
+ return consumed;
}
-void KeyInputFocusManager::OnKeyEvent(const KeyEvent& event)
+bool KeyInputFocusManager::EmitKeyEventSignal( Toolkit::Control control, const KeyEvent& event )
{
bool consumed = false;
- ActorQueueIterator iter = mFocusActorsQueue.begin();
-
- Layer rootLayer = Stage::GetCurrent().GetRootLayer();
-
- while(!mFocusActorsQueue.empty() && !consumed && (iter != mFocusActorsQueue.end()))
+ if( control )
{
- Actor actor = rootLayer.FindChildById(*iter);
- Dali::Toolkit::Control control = Dali::Toolkit::Control::DownCast(actor);
- if(control)
- {
- // Notify the control about the key event
- consumed = control.GetImplementation().EmitKeyEventSignal(event);
- }
- iter++;
- }
+ consumed = GetImplementation( control ).EmitKeyEventSignal( event );
- if(!consumed)
- {
- // Emit signal to inform that a key event is not consumed.
- if( !mUnhandledKeyEventSignalV2.Empty() )
+ // if control doesn't consume KeyEvent, give KeyEvent to its parent.
+ if( !consumed )
{
- mUnhandledKeyEventSignalV2.Emit(event);
+ Toolkit::Control parent = Toolkit::Control::DownCast( control.GetParent() );
+
+ if( parent )
+ {
+ consumed = EmitKeyEventSignal( parent, event );
+ }
}
}
+
+ return consumed;
}
-void KeyInputFocusManager::OnFocusActorStageDisconnection( Dali::Actor actor )
+void KeyInputFocusManager::OnFocusControlStageDisconnection( Dali::Actor actor )
{
- RemoveFocus(Dali::Toolkit::Control::DownCast(actor));
+ RemoveFocus( Dali::Toolkit::Control::DownCast( actor ) );
}
+
bool KeyInputFocusManager::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
{
- Dali::BaseHandle handle( object );
-
bool connected( true );
- KeyInputFocusManager* manager = dynamic_cast<KeyInputFocusManager*>(object);
+ KeyInputFocusManager* manager = dynamic_cast<KeyInputFocusManager*>( object );
- if( Dali::Toolkit::KeyInputFocusManager::SIGNAL_KEY_INPUT_FOCUS_CHANGED == signalName )
- {
- manager->KeyInputFocusChangedSignal().Connect( tracker, functor );
- }
- else
+ if( manager )
{
- // signalName does not match any signal
- connected = false;
+ if( 0 == strcmp( signalName.c_str(), SIGNAL_KEY_INPUT_FOCUS_CHANGED ) )
+ {
+ manager->KeyInputFocusChangedSignal().Connect( tracker, functor );
+ }
+ else
+ {
+ // signalName does not match any signal
+ connected = false;
+ }
}
return connected;