2 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <dali-toolkit/internal/controls/popup/popup-impl.h>
22 #include <dali/public-api/adaptor-framework/key.h>
23 #include <dali/public-api/adaptor-framework/physical-keyboard.h>
24 #include <dali/public-api/animation/constraints.h>
25 #include <dali/public-api/common/stage.h>
26 #include <dali/public-api/events/key-event.h>
27 #include <dali/public-api/events/touch-event.h>
28 #include <dali/public-api/images/resource-image.h>
29 #include <dali/public-api/object/type-registry.h>
30 #include <dali/public-api/object/type-registry-helper.h>
31 #include <dali/public-api/size-negotiation/relayout-container.h>
32 #include <dali/integration-api/debug.h>
35 #include <dali-toolkit/public-api/controls/buttons/button.h>
36 #include <dali-toolkit/public-api/controls/control-impl.h>
37 #include <dali-toolkit/public-api/controls/default-controls/solid-color-actor.h>
38 #include <dali-toolkit/public-api/focus-manager/focus-manager.h>
39 #include <dali-toolkit/internal/focus-manager/keyboard-focus-manager-impl.h>
57 return Toolkit::Popup::New();
60 // Setup properties, signals and actions using the type-registry.
61 DALI_TYPE_REGISTRATION_BEGIN( Toolkit::Popup, Toolkit::Control, Create )
63 DALI_SIGNAL_REGISTRATION( Popup, "touched-outside", SIGNAL_TOUCHED_OUTSIDE )
64 DALI_SIGNAL_REGISTRATION( Popup, "hidden", SIGNAL_HIDDEN )
66 DALI_TYPE_REGISTRATION_END()
69 const char* const PROPERTY_TITLE = "title";
70 const char* const PROPERTY_STATE = "state";
72 const float POPUP_ANIMATION_DURATION = 0.45f; ///< Duration of hide/show animations
74 const float POPUP_WIDTH = 720.0f; ///< Width of Popup
75 const float POPUP_OUT_MARGIN_WIDTH = 16.f; ///< Space between the screen edge and the popup edge in the horizontal dimension.
76 const float POPUP_OUT_MARGIN_HEIGHT = 36.f; ///< Space between the screen edge and the popup edge in the vertical dimension.
77 const float POPUP_TITLE_WIDTH = 648.0f; ///<Width of Popup Title
78 const float POPUP_BUTTON_BG_HEIGHT = 96.f; ///< Height of Button Background.
79 const Vector3 DEFAULT_DIALOG_SIZE = Vector3(POPUP_TITLE_WIDTH/POPUP_WIDTH, 0.5f, 0.0f);
80 const Vector3 DEFAULT_BOTTOM_SIZE = Vector3(1.0f, 0.2f, 0.0f);
82 } // unnamed namespace
84 ///////////////////////////////////////////////////////////////////////////////////////////////////
86 ///////////////////////////////////////////////////////////////////////////////////////////////////
88 Dali::Toolkit::Popup Popup::New()
90 PopupStylePtr style = PopupStyleDefault::New();
92 // Create the implementation
93 PopupPtr popup(new Popup(*style));
95 // Pass ownership to CustomActor via derived handle
96 Dali::Toolkit::Popup handle(*popup);
98 // Second-phase init of the implementation
99 // This can only be done after the CustomActor connection has been made...
105 Popup::Popup(PopupStyle& style)
106 : Control( ControlBehaviour( REQUIRES_TOUCH_EVENTS | REQUIRES_STYLE_CHANGE_SIGNALS ) ),
108 mState(Toolkit::Popup::POPUP_NONE), // Initially, the popup state should not be set, it's set in OnInitialize
109 mAlterAddedChild(false),
110 mPopupStyle(PopupStylePtr(&style)),
111 mPropertyTitle(Property::INVALID_INDEX),
112 mPropertyState(Property::INVALID_INDEX)
114 SetKeyboardNavigationSupport( true );
117 void Popup::OnInitialize()
119 Dali::Stage stage = Dali::Stage::GetCurrent();
122 self.SetSensitive(false);
123 // Reisize to fit the height of children
124 self.SetResizePolicy( FIT_TO_CHILDREN, HEIGHT );
127 mLayer = Layer::New();
128 mLayer.SetName( "POPUP_LAYER" );
129 mLayer.SetParentOrigin(ParentOrigin::CENTER);
130 mLayer.SetAnchorPoint(AnchorPoint::CENTER);
131 mLayer.SetResizePolicy( FILL_TO_PARENT, ALL_DIMENSIONS );
132 mLayer.SetDrawMode( DrawMode::OVERLAY );
134 // Any content after this point which is added to Self() will be reparented to
136 mAlterAddedChild = true;
137 // Add Backing (Dim effect)
139 mAlterAddedChild = false;
141 // Add Dialog ( background image, title, content container, button container and tail )
146 mPopupLayout = Toolkit::TableView::New( 3, 1 );
147 mPopupLayout.SetName( "POPUP_LAYOUT_TABLE" );
148 mPopupLayout.SetParentOrigin(ParentOrigin::CENTER);
149 mPopupLayout.SetAnchorPoint(AnchorPoint::CENTER);
150 mPopupLayout.SetResizePolicy( FILL_TO_PARENT, WIDTH );
151 mPopupLayout.SetResizePolicy( USE_NATURAL_SIZE, HEIGHT );
152 mPopupLayout.SetFitHeight( 0 ); // Set row to fit
153 mPopupLayout.SetFitHeight( 1 ); // Set row to fit
154 self.Add( mPopupLayout );
156 // Any content after this point which is added to Self() will be reparented to
158 mAlterAddedChild = true;
161 // ShowTail(ParentOrigin::BOTTOM_CENTER);
163 // Hide content by default.
164 SetState( Toolkit::Popup::POPUP_HIDE, 0.0f );
166 mPropertyTitle = self.RegisterProperty( PROPERTY_TITLE, "", Property::READ_WRITE );
167 mPropertyState = self.RegisterProperty( PROPERTY_STATE, "POPUP_HIDE", Property::READ_WRITE );
169 // Make self as keyboard focusable and focus group
170 self.SetKeyboardFocusable(true);
171 SetAsKeyboardFocusGroup(true);
174 void Popup::MarkDirtyForRelayout()
176 // Flag all the popup controls for relayout as it is about to be hidden and miss the main flagging pass
177 mLayer.RelayoutRequestTree();
180 void Popup::OnPropertySet( Property::Index index, Property::Value propertyValue )
182 if( index == mPropertyTitle )
184 SetTitle(propertyValue.Get<std::string>());
186 else if ( index == mPropertyState )
188 std::string value( propertyValue.Get<std::string>() );
189 if(value == "POPUP_SHOW")
191 SetState( Toolkit::Popup::POPUP_SHOW, 0.0f );
193 else if( value == "POPUP_HIDE")
195 SetState( Toolkit::Popup::POPUP_HIDE, 0.0f );
205 size_t Popup::GetButtonCount() const
207 return mButtons.size();
210 void Popup::SetBackgroundImage( Actor image )
212 // Removes any previous background.
213 if( mBackgroundImage && mPopupLayout )
215 mPopupLayout.Remove( mBackgroundImage );
218 // Adds new background to the dialog.
219 mBackgroundImage = image;
221 mBackgroundImage.SetName( "POPUP_BACKGROUND_IMAGE" );
223 // OnDialogTouched only consume the event. It prevents the touch event to be caught by the backing.
224 mBackgroundImage.TouchedSignal().Connect( this, &Popup::OnDialogTouched );
226 mBackgroundImage.SetResizePolicy( SIZE_FIXED_OFFSET_FROM_PARENT, ALL_DIMENSIONS );
227 mBackgroundImage.SetAnchorPoint( AnchorPoint::CENTER );
228 mBackgroundImage.SetParentOrigin( ParentOrigin::CENTER );
230 Vector3 border( mPopupStyle->backgroundOuterBorder.x, mPopupStyle->backgroundOuterBorder.z, 0.0f );
231 mBackgroundImage.SetSizeModeFactor( border );
233 const bool prevAlter = mAlterAddedChild;
234 mAlterAddedChild = false;
235 Self().Add( mBackgroundImage );
236 mAlterAddedChild = prevAlter;
239 void Popup::SetButtonAreaImage( Actor image )
241 // Removes any previous area image.
242 if( mButtonAreaImage && mPopupLayout )
244 mPopupLayout.Remove( mButtonAreaImage );
247 // Adds new area image to the dialog.
248 mButtonAreaImage = image;
250 // OnDialogTouched only consume the event. It prevents the touch event to be caught by the backing.
251 mButtonAreaImage.TouchedSignal().Connect( this, &Popup::OnDialogTouched );
253 mButtonAreaImage.SetResizePolicy( FILL_TO_PARENT, ALL_DIMENSIONS );
254 mButtonAreaImage.SetAnchorPoint( AnchorPoint::CENTER );
255 mButtonAreaImage.SetParentOrigin( ParentOrigin::CENTER );
257 if( GetButtonCount() > 0 )
259 mBottomBg.Add( mButtonAreaImage );
263 void Popup::SetTitle( const std::string& text )
265 Toolkit::TextView titleActor = Toolkit::TextView::New();
266 titleActor.SetName( "POPUP_TITLE" );
267 titleActor.SetText( text );
268 titleActor.SetColor( Color::BLACK );
269 titleActor.SetMultilinePolicy( Toolkit::TextView::SplitByWord );
270 titleActor.SetWidthExceedPolicy( Toolkit::TextView::Split );
271 titleActor.SetLineJustification( Toolkit::TextView::Center );
273 SetTitle( titleActor );
276 void Popup::SetTitle( Toolkit::TextView titleActor )
278 // Replaces the current title actor.
281 mPopupLayout.RemoveChildAt( Toolkit::TableView::CellPosition( 0, 0 ) );
288 mTitle.SetPadding( Padding( 0.0f, 0.0f, mPopupStyle->margin, mPopupStyle->margin ) );
289 mTitle.SetResizePolicy( FILL_TO_PARENT, WIDTH );
290 mTitle.SetResizePolicy( DIMENSION_DEPENDENCY, HEIGHT );
291 mPopupLayout.AddChild( mTitle, Toolkit::TableView::CellPosition( 0, 0 ) );
297 Toolkit::TextView Popup::GetTitle() const
302 void Popup::CreateFooter()
306 // Adds bottom background
307 mBottomBg = Actor::New();
308 mBottomBg.SetName( "POPUP_BOTTOM_BG" );
309 mBottomBg.SetRelayoutEnabled( true );
310 mBottomBg.SetResizePolicy( FILL_TO_PARENT, ALL_DIMENSIONS );
312 mPopupLayout.SetFixedHeight( 2, mPopupStyle->bottomSize.height ); // Buttons
313 mPopupLayout.AddChild( mBottomBg, Toolkit::TableView::CellPosition( 2, 0 ) );
317 void Popup::AddButton( Toolkit::Button button )
319 mButtons.push_back( button );
320 button.SetResizePolicy( USE_ASSIGNED_SIZE, ALL_DIMENSIONS ); // Size will be assigned to it
322 // If this is the first button added
323 if( mButtons.size() == 1 )
327 if( mButtonAreaImage )
329 mBottomBg.Add( mButtonAreaImage );
333 mBottomBg.Add( button );
338 void Popup::SetState( Toolkit::Popup::PopupState state )
340 SetState( state, POPUP_ANIMATION_DURATION );
343 void Popup::SetState( Toolkit::Popup::PopupState state, float duration )
345 // default animation behaviour.
346 HandleStateChange(state, duration);
349 Toolkit::Popup::PopupState Popup::GetState() const
354 void Popup::ShowTail(const Vector3& position)
356 // Replaces the tail actor.
357 if(mTailImage && mTailImage.GetParent())
359 mTailImage.GetParent().Remove( mTailImage );
363 std::string image = "";
365 // depending on position of tail around ParentOrigin, a different tail image is used...
366 if(position.y < Math::MACHINE_EPSILON_1)
368 image = mPopupStyle->tailUpImage;
370 else if(position.y > 1.0f - Math::MACHINE_EPSILON_1)
372 image = mPopupStyle->tailDownImage;
374 else if(position.x < Math::MACHINE_EPSILON_1)
376 image = mPopupStyle->tailLeftImage;
378 else if(position.x > 1.0f - Math::MACHINE_EPSILON_1)
380 image = mPopupStyle->tailRightImage;
385 Image tail = ResourceImage::New( image );
386 mTailImage = ImageActor::New(tail);
387 const Vector3 anchorPoint = AnchorPoint::BOTTOM_RIGHT - position;
389 mTailImage.SetParentOrigin(position);
390 mTailImage.SetAnchorPoint(anchorPoint);
394 mBottomBg.Add(mTailImage);
398 void Popup::HideTail()
400 ShowTail(ParentOrigin::CENTER);
403 void Popup::SetStyle(PopupStyle& style)
405 mPopupStyle = PopupStylePtr(&style);
409 PopupStylePtr Popup::GetStyle() const
414 void Popup::SetDefaultBackgroundImage()
416 Image buttonBg = ResourceImage::New( mPopupStyle->buttonAreaImage );
417 ImageActor buttonBgImage = ImageActor::New( buttonBg );
418 buttonBgImage.SetStyle( ImageActor::STYLE_NINE_PATCH );
419 buttonBgImage.SetNinePatchBorder( mPopupStyle->buttonArea9PatchBorder );
421 SetBackgroundImage( ImageActor::New( ResourceImage::New( mPopupStyle->backgroundImage ) ) );
422 SetButtonAreaImage( buttonBgImage );
425 void Popup::CreateBacking()
427 mBacking = Dali::Toolkit::CreateSolidColorActor( mPopupStyle->backingColor );
428 mBacking.SetName( "POPUP_BACKING" );
430 mBacking.SetResizePolicy( FILL_TO_PARENT, ALL_DIMENSIONS );
431 mBacking.SetSensitive(true);
433 mLayer.Add( mBacking );
434 mBacking.SetOpacity(0.0f);
435 mBacking.TouchedSignal().Connect( this, &Popup::OnBackingTouched );
436 mBacking.MouseWheelEventSignal().Connect(this, &Popup::OnBackingMouseWheelEvent);
439 void Popup::CreateDialog()
441 // Adds default background image.
442 SetDefaultBackgroundImage();
445 void Popup::HandleStateChange( Toolkit::Popup::PopupState state, float duration )
448 float targetBackingAlpha;
457 case Toolkit::Popup::POPUP_HIDE:
459 targetSize = Vector3(0.0f, 0.0f, 1.0f);
460 targetBackingAlpha = 0.0f;
462 ClearKeyInputFocus();
464 // Retore the keyboard focus when popup is hidden
465 if(mPreviousFocusedActor && mPreviousFocusedActor.IsKeyboardFocusable() )
467 Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
468 if( keyboardFocusManager )
470 keyboardFocusManager.SetCurrentFocusActor(mPreviousFocusedActor);
477 case Toolkit::Popup::POPUP_SHOW:
480 targetSize = Vector3(1.0f, 1.0f, 1.0f);
481 targetBackingAlpha = 1.0f;
484 // Add contents to stage for showing.
485 if( !mLayer.GetParent() )
487 Dali::Stage stage = Dali::Stage::GetCurrent();
492 Self().SetSensitive(true);
495 // Handle the keyboard focus when popup is shown
496 Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
497 if( keyboardFocusManager )
499 mPreviousFocusedActor = keyboardFocusManager.GetCurrentFocusActor();
501 if( mContent && mContent.IsKeyboardFocusable() )
503 // If content is focusable, move the focus to content
504 keyboardFocusManager.SetCurrentFocusActor(mContent);
506 else if( !mButtons.empty() )
508 // Otherwise, movethe focus to the first button
509 keyboardFocusManager.SetCurrentFocusActor(mButtons[0]);
513 DALI_LOG_WARNING("There is no focusable in popup\n");
521 if(duration > Math::MACHINE_EPSILON_1)
529 mAnimation = Animation::New(duration);
533 mAnimation.AnimateTo( Property(mBacking, Actor::Property::COLOR_ALPHA), targetBackingAlpha, AlphaFunctions::EaseInOut, TimePeriod(0.0f, duration * 0.5f) );
534 mAnimation.AnimateTo( Property(self, Actor::Property::SCALE), targetSize, AlphaFunctions::EaseInOut, TimePeriod(duration * 0.5f, duration * 0.5f) );
538 mAnimation.AnimateTo( Property(mBacking, Actor::Property::COLOR_ALPHA), targetBackingAlpha, AlphaFunctions::EaseInOut, TimePeriod(0.0f, duration * 0.5f) );
539 mAnimation.AnimateTo( Property(self, Actor::Property::SCALE), targetSize, AlphaFunctions::EaseInOut, TimePeriod(0.0f, duration * 0.5f) );
542 mAnimation.FinishedSignal().Connect(this, &Popup::OnStateAnimationFinished);
546 mBacking.SetOpacity( targetBackingAlpha );
547 self.SetScale( targetSize );
549 HandleStateChangeComplete();
553 void Popup::HandleStateChangeComplete()
555 // Remove contents from stage if completely hidden.
556 if( ( mState == Toolkit::Popup::POPUP_HIDE ) && mLayer.GetParent() )
559 Self().SetSensitive( false );
561 // Guard against destruction during signal emission
562 Toolkit::Popup handle( GetOwner() );
563 mHiddenSignal.Emit();
567 Toolkit::Popup::TouchedOutsideSignalType& Popup::OutsideTouchedSignal()
569 return mTouchedOutsideSignal;
572 Toolkit::Popup::HiddenSignalType& Popup::HiddenSignal()
574 return mHiddenSignal;
577 bool Popup::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
579 Dali::BaseHandle handle( object );
581 bool connected( true );
582 Toolkit::Popup popup = Toolkit::Popup::DownCast( handle );
584 if( 0 == strcmp( signalName.c_str(), SIGNAL_TOUCHED_OUTSIDE ) )
586 popup.OutsideTouchedSignal().Connect( tracker, functor );
588 else if( 0 == strcmp( signalName.c_str(), SIGNAL_HIDDEN ) )
590 popup.HiddenSignal().Connect( tracker, functor );
594 // signalName does not match any signal
601 void Popup::OnStateAnimationFinished( Animation& source )
603 HandleStateChangeComplete();
606 bool Popup::OnBackingTouched(Actor actor, const TouchEvent& event)
608 if(event.GetPointCount()>0)
610 const TouchPoint& point = event.GetPoint(0);
612 if(point.state == TouchPoint::Down)
614 // Guard against destruction during signal emission
615 Toolkit::Popup handle( GetOwner() );
617 mTouchedOutsideSignal.Emit();
624 bool Popup::OnBackingMouseWheelEvent(Actor actor, const MouseWheelEvent& event)
626 // consume mouse wheel event in dimmed backing actor
630 bool Popup::OnDialogTouched(Actor actor, const TouchEvent& event)
632 // consume event (stops backing actor receiving touch events)
636 void Popup::OnControlChildAdd( Actor& child )
638 // reparent any children added by user to the body layer.
639 if( mAlterAddedChild )
641 // Removes previously added content.
644 mPopupLayout.RemoveChildAt( Toolkit::TableView::CellPosition( 1, 0 ) );
647 // keep a handle to the new content.
650 mPopupLayout.AddChild( mContent, Toolkit::TableView::CellPosition( 1, 0 ) );
654 void Popup::OnRelayout( const Vector2& size, RelayoutContainer& container )
656 // Hide the background image
657 mBackgroundImage.SetVisible( !( mButtons.empty() && mPopupLayout.GetChildCount() == 0 ) );
659 // Relayout All buttons
660 if ( !mButtons.empty() )
662 // All buttons should be the same size and fill the button area. The button spacing needs to be accounted for as well.
663 Vector2 buttonSize( ( ( size.width - mPopupStyle->buttonSpacing * ( mButtons.size() + 1 ) ) / mButtons.size() ),
664 mPopupStyle->bottomSize.height - mPopupStyle->margin );
666 Vector3 buttonPosition( mPopupStyle->buttonSpacing, 0.0f, 0.0f );
668 for ( ActorIter iter = mButtons.begin(), endIter = mButtons.end();
670 ++iter, buttonPosition.x += mPopupStyle->buttonSpacing + buttonSize.width )
672 Actor button = *iter;
674 // If there is only one button, it needs to be laid out on center.
675 if ( mButtons.size() == 1 )
677 buttonPosition.x = 0.0f;
678 button.SetAnchorPoint( AnchorPoint::CENTER );
679 button.SetParentOrigin( ParentOrigin::CENTER );
683 button.SetAnchorPoint( AnchorPoint::CENTER_LEFT );
684 button.SetParentOrigin( ParentOrigin::CENTER_LEFT );
687 button.SetPosition( buttonPosition );
689 button.PropagateRelayoutFlags(); // Reset relayout flags for relayout
690 container.Add( button, buttonSize );
695 void Popup::OnSetResizePolicy( ResizePolicy policy, Dimension dimension )
699 if( policy == FIT_TO_CHILDREN )
701 mPopupLayout.SetResizePolicy( USE_NATURAL_SIZE, dimension );
702 if( dimension & HEIGHT )
704 mPopupLayout.SetFitHeight( 1 );
709 mPopupLayout.SetResizePolicy( FILL_TO_PARENT, dimension );
710 // Make the content cell fill the whole of the available space
711 if( dimension & HEIGHT )
713 mPopupLayout.SetRelativeHeight( 1, 1.0f );
719 bool Popup::OnKeyEvent(const KeyEvent& event)
721 bool consumed = false;
723 if(event.state == KeyEvent::Down)
725 if (event.keyCode == Dali::DALI_KEY_ESCAPE || event.keyCode == Dali::DALI_KEY_BACK)
727 SetState(Toolkit::Popup::POPUP_HIDE);
735 Vector3 Popup::GetNaturalSize()
737 float margin = 2.0f * ( POPUP_OUT_MARGIN_WIDTH + mPopupStyle->margin );
738 const float maxWidth = Stage::GetCurrent().GetSize().width - margin;
740 Vector3 naturalSize( 0.0f, 0.0f, 0.0f );
744 Vector3 titleNaturalSize = mTitle.GetImplementation().GetNaturalSize();
745 // Buffer to avoid errors. The width of the popup could potentially be the width of the title text.
746 // It was observed in this case that text wrapping was then inconsistent when seen on device
747 const float titleBuffer = 0.5f;
748 titleNaturalSize.width += titleBuffer;
750 // As TextView GetNaturalSize does not take wrapping into account, limit the width
751 // to that of the stage
752 if( titleNaturalSize.width >= maxWidth)
754 naturalSize.width = maxWidth;
755 naturalSize.height = mTitle.GetImplementation().GetHeightForWidth( naturalSize.width );
759 naturalSize += titleNaturalSize;
762 naturalSize.height += mPopupStyle->margin;
767 Vector3 contentSize = mContent.GetNaturalSize();
768 // Choose the biggest width
769 naturalSize.width = std::max( naturalSize.width, contentSize.width );
770 if( naturalSize.width > maxWidth )
772 naturalSize.width = maxWidth;
773 contentSize.height = mContent.GetHeightForWidth( maxWidth );
775 naturalSize.height += contentSize.height + mPopupStyle->margin;
778 if( !mButtons.empty() )
780 naturalSize.height += mPopupStyle->bottomSize.height;
784 naturalSize.width += margin;
785 naturalSize.height += margin;
790 float Popup::GetHeightForWidth( float width )
792 float height( 0.0f );
793 float popupWidth( width - 2.f * ( POPUP_OUT_MARGIN_WIDTH + mPopupStyle->margin ) );
797 height += mTitle.GetImplementation().GetHeightForWidth( popupWidth );
798 height += mPopupStyle->margin;
803 height += mContent.GetHeightForWidth( popupWidth ) + mPopupStyle->margin;
806 if( !mButtons.empty() )
808 height += mPopupStyle->bottomSize.height;
812 float margin( 2.0f * ( POPUP_OUT_MARGIN_WIDTH + mPopupStyle->margin ) );
818 float Popup::GetWidthForHeight( float height )
820 return GetNaturalSize().width;
823 Actor Popup::GetNextKeyboardFocusableActor(Actor currentFocusedActor, Toolkit::Control::KeyboardFocusNavigationDirection direction, bool loopEnabled)
825 Actor nextFocusableActor( currentFocusedActor );
827 // TODO: Needs to be optimised
829 if ( !currentFocusedActor || ( currentFocusedActor && KeyboardFocusManager::Get().GetFocusGroup(currentFocusedActor) != Self() ) )
831 // The current focused actor is not within popup
832 if( mContent && mContent.IsKeyboardFocusable() )
834 // If content is focusable, move the focus to content
835 nextFocusableActor = mContent;
837 else if( !mButtons.empty() )
839 // Otherwise, movethe focus to the first button
840 nextFocusableActor = mButtons[0];
845 // Rebuild the focus chain because button or content can be added or removed dynamically
846 ActorContainer focusableActors;
847 if( mContent && mContent.IsKeyboardFocusable() )
849 focusableActors.push_back(mContent);
852 for(unsigned int i = 0; i < mButtons.size(); i++)
854 if( mButtons[i] && mButtons[i].IsKeyboardFocusable() )
856 focusableActors.push_back(mButtons[i]);
860 for ( ActorContainer::iterator iter = focusableActors.begin(), end = focusableActors.end(); iter != end; ++iter )
862 if ( currentFocusedActor == *iter )
866 case Toolkit::Control::Left:
868 if ( iter == focusableActors.begin() )
870 nextFocusableActor = *( focusableActors.end() - 1 );
874 nextFocusableActor = *( iter - 1 );
878 case Toolkit::Control::Right:
880 if ( iter == focusableActors.end() - 1 )
882 nextFocusableActor = *( focusableActors.begin() );
886 nextFocusableActor = *( iter + 1 );
891 case Toolkit::Control::Up:
893 if ( *iter == mContent )
895 nextFocusableActor = *( focusableActors.end() - 1 );
899 if ( mContent && mContent.IsKeyboardFocusable() )
901 nextFocusableActor = mContent;
905 if ( iter == focusableActors.begin() )
907 nextFocusableActor = *( focusableActors.end() - 1 );
911 nextFocusableActor = *( iter - 1 );
918 case Toolkit::Control::Down:
920 if ( mContent && mContent.IsKeyboardFocusable() )
922 nextFocusableActor = mContent;
926 if ( iter == focusableActors.end() - 1 )
928 nextFocusableActor = *( focusableActors.begin() );
932 nextFocusableActor = *( iter + 1 );
936 if ( *iter == mContent && !mButtons.empty() )
938 nextFocusableActor = mButtons[0];
944 if(!nextFocusableActor)
946 DALI_LOG_WARNING("Can not decide next focusable actor\n");
954 return nextFocusableActor;
957 } // namespace Internal
959 } // namespace Toolkit