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( FILL_TO_PARENT, ALL_DIMENSIONS );
227 mBackgroundImage.SetAnchorPoint( AnchorPoint::CENTER );
228 mBackgroundImage.SetParentOrigin( ParentOrigin::CENTER );
230 mBackgroundImage.SetSizeMode( SIZE_FIXED_OFFSET_FROM_PARENT );
231 Vector3 border( mPopupStyle->backgroundOuterBorder.x, mPopupStyle->backgroundOuterBorder.z, 0.0f );
232 mBackgroundImage.SetSizeModeFactor( border );
234 const bool prevAlter = mAlterAddedChild;
235 mAlterAddedChild = false;
236 Self().Add( mBackgroundImage );
237 mAlterAddedChild = prevAlter;
240 void Popup::SetButtonAreaImage( Actor image )
242 // Removes any previous area image.
243 if( mButtonAreaImage && mPopupLayout )
245 mPopupLayout.Remove( mButtonAreaImage );
248 // Adds new area image to the dialog.
249 mButtonAreaImage = image;
251 // OnDialogTouched only consume the event. It prevents the touch event to be caught by the backing.
252 mButtonAreaImage.TouchedSignal().Connect( this, &Popup::OnDialogTouched );
254 mButtonAreaImage.SetResizePolicy( FILL_TO_PARENT, ALL_DIMENSIONS );
255 mButtonAreaImage.SetAnchorPoint( AnchorPoint::CENTER );
256 mButtonAreaImage.SetParentOrigin( ParentOrigin::CENTER );
258 if( GetButtonCount() > 0 )
260 mBottomBg.Add( mButtonAreaImage );
264 void Popup::SetTitle( const std::string& text )
266 Toolkit::TextView titleActor = Toolkit::TextView::New();
267 titleActor.SetName( "POPUP_TITLE" );
268 titleActor.SetText( text );
269 titleActor.SetColor( Color::BLACK );
270 titleActor.SetMultilinePolicy( Toolkit::TextView::SplitByWord );
271 titleActor.SetWidthExceedPolicy( Toolkit::TextView::Split );
272 titleActor.SetLineJustification( Toolkit::TextView::Center );
274 SetTitle( titleActor );
277 void Popup::SetTitle( Toolkit::TextView titleActor )
279 // Replaces the current title actor.
282 mPopupLayout.RemoveChildAt( Toolkit::TableView::CellPosition( 0, 0 ) );
289 mTitle.SetPadding( Padding( 0.0f, 0.0f, mPopupStyle->margin, mPopupStyle->margin ) );
290 mTitle.SetResizePolicy( FILL_TO_PARENT, WIDTH );
291 mTitle.SetDimensionDependency( HEIGHT, WIDTH ); // HeightForWidth
292 mPopupLayout.AddChild( mTitle, Toolkit::TableView::CellPosition( 0, 0 ) );
298 Toolkit::TextView Popup::GetTitle() const
303 void Popup::CreateFooter()
307 // Adds bottom background
308 mBottomBg = Actor::New();
309 mBottomBg.SetName( "POPUP_BOTTOM_BG" );
310 mBottomBg.SetRelayoutEnabled( true );
311 mBottomBg.SetResizePolicy( FILL_TO_PARENT, ALL_DIMENSIONS );
313 mPopupLayout.SetFixedHeight( 2, mPopupStyle->bottomSize.height ); // Buttons
314 mPopupLayout.AddChild( mBottomBg, Toolkit::TableView::CellPosition( 2, 0 ) );
318 void Popup::AddButton( Toolkit::Button button )
320 mButtons.push_back( button );
321 button.SetResizePolicy( USE_ASSIGNED_SIZE, ALL_DIMENSIONS ); // Size will be assigned to it
323 // If this is the first button added
324 if( mButtons.size() == 1 )
328 if( mButtonAreaImage )
330 mBottomBg.Add( mButtonAreaImage );
334 mBottomBg.Add( button );
339 void Popup::SetState( Toolkit::Popup::PopupState state )
341 SetState( state, POPUP_ANIMATION_DURATION );
344 void Popup::SetState( Toolkit::Popup::PopupState state, float duration )
346 // default animation behaviour.
347 HandleStateChange(state, duration);
350 Toolkit::Popup::PopupState Popup::GetState() const
355 void Popup::ShowTail(const Vector3& position)
357 // Replaces the tail actor.
358 if(mTailImage && mTailImage.GetParent())
360 mTailImage.GetParent().Remove( mTailImage );
364 std::string image = "";
366 // depending on position of tail around ParentOrigin, a different tail image is used...
367 if(position.y < Math::MACHINE_EPSILON_1)
369 image = mPopupStyle->tailUpImage;
371 else if(position.y > 1.0f - Math::MACHINE_EPSILON_1)
373 image = mPopupStyle->tailDownImage;
375 else if(position.x < Math::MACHINE_EPSILON_1)
377 image = mPopupStyle->tailLeftImage;
379 else if(position.x > 1.0f - Math::MACHINE_EPSILON_1)
381 image = mPopupStyle->tailRightImage;
386 Image tail = ResourceImage::New( image );
387 mTailImage = ImageActor::New(tail);
388 const Vector3 anchorPoint = AnchorPoint::BOTTOM_RIGHT - position;
390 mTailImage.SetParentOrigin(position);
391 mTailImage.SetAnchorPoint(anchorPoint);
395 mBottomBg.Add(mTailImage);
399 void Popup::HideTail()
401 ShowTail(ParentOrigin::CENTER);
404 void Popup::SetStyle(PopupStyle& style)
406 mPopupStyle = PopupStylePtr(&style);
410 PopupStylePtr Popup::GetStyle() const
415 void Popup::SetDefaultBackgroundImage()
417 Image buttonBg = ResourceImage::New( mPopupStyle->buttonAreaImage );
418 ImageActor buttonBgImage = ImageActor::New( buttonBg );
419 buttonBgImage.SetStyle( ImageActor::STYLE_NINE_PATCH );
420 buttonBgImage.SetNinePatchBorder( mPopupStyle->buttonArea9PatchBorder );
422 SetBackgroundImage( ImageActor::New( ResourceImage::New( mPopupStyle->backgroundImage ) ) );
423 SetButtonAreaImage( buttonBgImage );
426 void Popup::CreateBacking()
428 mBacking = Dali::Toolkit::CreateSolidColorActor( mPopupStyle->backingColor );
429 mBacking.SetName( "POPUP_BACKING" );
431 mBacking.SetResizePolicy( FILL_TO_PARENT, ALL_DIMENSIONS );
432 mBacking.SetSensitive(true);
434 mLayer.Add( mBacking );
435 mBacking.SetOpacity(0.0f);
436 mBacking.TouchedSignal().Connect( this, &Popup::OnBackingTouched );
437 mBacking.MouseWheelEventSignal().Connect(this, &Popup::OnBackingMouseWheelEvent);
440 void Popup::CreateDialog()
442 // Adds default background image.
443 SetDefaultBackgroundImage();
446 void Popup::HandleStateChange( Toolkit::Popup::PopupState state, float duration )
449 float targetBackingAlpha;
458 case Toolkit::Popup::POPUP_HIDE:
460 targetSize = Vector3(0.0f, 0.0f, 1.0f);
461 targetBackingAlpha = 0.0f;
463 ClearKeyInputFocus();
465 // Retore the keyboard focus when popup is hidden
466 if(mPreviousFocusedActor && mPreviousFocusedActor.IsKeyboardFocusable() )
468 Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
469 if( keyboardFocusManager )
471 keyboardFocusManager.SetCurrentFocusActor(mPreviousFocusedActor);
478 case Toolkit::Popup::POPUP_SHOW:
481 targetSize = Vector3(1.0f, 1.0f, 1.0f);
482 targetBackingAlpha = 1.0f;
485 // Add contents to stage for showing.
486 if( !mLayer.GetParent() )
488 Dali::Stage stage = Dali::Stage::GetCurrent();
493 Self().SetSensitive(true);
496 // Handle the keyboard focus when popup is shown
497 Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
498 if( keyboardFocusManager )
500 mPreviousFocusedActor = keyboardFocusManager.GetCurrentFocusActor();
502 if( mContent && mContent.IsKeyboardFocusable() )
504 // If content is focusable, move the focus to content
505 keyboardFocusManager.SetCurrentFocusActor(mContent);
507 else if( !mButtons.empty() )
509 // Otherwise, movethe focus to the first button
510 keyboardFocusManager.SetCurrentFocusActor(mButtons[0]);
514 DALI_LOG_WARNING("There is no focusable in popup\n");
522 if(duration > Math::MACHINE_EPSILON_1)
530 mAnimation = Animation::New(duration);
534 mAnimation.AnimateTo( Property(mBacking, Actor::Property::COLOR_ALPHA), targetBackingAlpha, AlphaFunctions::EaseInOut, TimePeriod(0.0f, duration * 0.5f) );
535 mAnimation.AnimateTo( Property(self, Actor::Property::SCALE), targetSize, AlphaFunctions::EaseInOut, TimePeriod(duration * 0.5f, duration * 0.5f) );
539 mAnimation.AnimateTo( Property(mBacking, Actor::Property::COLOR_ALPHA), targetBackingAlpha, AlphaFunctions::EaseInOut, TimePeriod(0.0f, duration * 0.5f) );
540 mAnimation.AnimateTo( Property(self, Actor::Property::SCALE), targetSize, AlphaFunctions::EaseInOut, TimePeriod(0.0f, duration * 0.5f) );
543 mAnimation.FinishedSignal().Connect(this, &Popup::OnStateAnimationFinished);
547 mBacking.SetOpacity( targetBackingAlpha );
548 self.SetScale( targetSize );
550 HandleStateChangeComplete();
554 void Popup::HandleStateChangeComplete()
556 // Remove contents from stage if completely hidden.
557 if( ( mState == Toolkit::Popup::POPUP_HIDE ) && mLayer.GetParent() )
560 Self().SetSensitive( false );
562 // Guard against destruction during signal emission
563 Toolkit::Popup handle( GetOwner() );
564 mHiddenSignal.Emit();
568 Toolkit::Popup::TouchedOutsideSignalType& Popup::OutsideTouchedSignal()
570 return mTouchedOutsideSignal;
573 Toolkit::Popup::HiddenSignalType& Popup::HiddenSignal()
575 return mHiddenSignal;
578 bool Popup::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
580 Dali::BaseHandle handle( object );
582 bool connected( true );
583 Toolkit::Popup popup = Toolkit::Popup::DownCast( handle );
585 if( 0 == strcmp( signalName.c_str(), SIGNAL_TOUCHED_OUTSIDE ) )
587 popup.OutsideTouchedSignal().Connect( tracker, functor );
589 else if( 0 == strcmp( signalName.c_str(), SIGNAL_HIDDEN ) )
591 popup.HiddenSignal().Connect( tracker, functor );
595 // signalName does not match any signal
602 void Popup::OnStateAnimationFinished( Animation& source )
604 HandleStateChangeComplete();
607 bool Popup::OnBackingTouched(Actor actor, const TouchEvent& event)
609 if(event.GetPointCount()>0)
611 const TouchPoint& point = event.GetPoint(0);
613 if(point.state == TouchPoint::Down)
615 // Guard against destruction during signal emission
616 Toolkit::Popup handle( GetOwner() );
618 mTouchedOutsideSignal.Emit();
625 bool Popup::OnBackingMouseWheelEvent(Actor actor, const MouseWheelEvent& event)
627 // consume mouse wheel event in dimmed backing actor
631 bool Popup::OnDialogTouched(Actor actor, const TouchEvent& event)
633 // consume event (stops backing actor receiving touch events)
637 void Popup::OnControlChildAdd( Actor& child )
639 // reparent any children added by user to the body layer.
640 if( mAlterAddedChild )
642 // Removes previously added content.
645 mPopupLayout.RemoveChildAt( Toolkit::TableView::CellPosition( 1, 0 ) );
648 // keep a handle to the new content.
651 mPopupLayout.AddChild( mContent, Toolkit::TableView::CellPosition( 1, 0 ) );
655 void Popup::OnRelayout( const Vector2& size, RelayoutContainer& container )
657 // Hide the background image
658 mBackgroundImage.SetVisible( !( mButtons.empty() && mPopupLayout.GetChildCount() == 0 ) );
660 // Relayout All buttons
661 if ( !mButtons.empty() )
663 // All buttons should be the same size and fill the button area. The button spacing needs to be accounted for as well.
664 Vector2 buttonSize( ( ( size.width - mPopupStyle->buttonSpacing * ( mButtons.size() + 1 ) ) / mButtons.size() ),
665 mPopupStyle->bottomSize.height - mPopupStyle->margin );
667 Vector3 buttonPosition( mPopupStyle->buttonSpacing, 0.0f, 0.0f );
669 for ( ActorIter iter = mButtons.begin(), endIter = mButtons.end();
671 ++iter, buttonPosition.x += mPopupStyle->buttonSpacing + buttonSize.width )
673 Actor button = *iter;
675 // If there is only one button, it needs to be laid out on center.
676 if ( mButtons.size() == 1 )
678 buttonPosition.x = 0.0f;
679 button.SetAnchorPoint( AnchorPoint::CENTER );
680 button.SetParentOrigin( ParentOrigin::CENTER );
684 button.SetAnchorPoint( AnchorPoint::CENTER_LEFT );
685 button.SetParentOrigin( ParentOrigin::CENTER_LEFT );
688 button.SetPosition( buttonPosition );
690 button.PropagateRelayoutFlags(); // Reset relayout flags for relayout
691 container.Add( button, buttonSize );
696 void Popup::OnSetResizePolicy( ResizePolicy policy, Dimension dimension )
700 if( policy == FIT_TO_CHILDREN )
702 mPopupLayout.SetResizePolicy( USE_NATURAL_SIZE, dimension );
703 if( dimension & HEIGHT )
705 mPopupLayout.SetFitHeight( 1 );
710 mPopupLayout.SetResizePolicy( FILL_TO_PARENT, dimension );
711 // Make the content cell fill the whole of the available space
712 if( dimension & HEIGHT )
714 mPopupLayout.SetRelativeHeight( 1, 1.0f );
720 bool Popup::OnKeyEvent(const KeyEvent& event)
722 bool consumed = false;
724 if(event.state == KeyEvent::Down)
726 if (event.keyCode == Dali::DALI_KEY_ESCAPE || event.keyCode == Dali::DALI_KEY_BACK)
728 SetState(Toolkit::Popup::POPUP_HIDE);
736 Vector3 Popup::GetNaturalSize()
738 float margin = 2.0f * ( POPUP_OUT_MARGIN_WIDTH + mPopupStyle->margin );
739 const float maxWidth = Stage::GetCurrent().GetSize().width - margin;
741 Vector3 naturalSize( 0.0f, 0.0f, 0.0f );
745 Vector3 titleNaturalSize = mTitle.GetImplementation().GetNaturalSize();
746 // Buffer to avoid errors. The width of the popup could potentially be the width of the title text.
747 // It was observed in this case that text wrapping was then inconsistent when seen on device
748 const float titleBuffer = 0.5f;
749 titleNaturalSize.width += titleBuffer;
751 // As TextView GetNaturalSize does not take wrapping into account, limit the width
752 // to that of the stage
753 if( titleNaturalSize.width >= maxWidth)
755 naturalSize.width = maxWidth;
756 naturalSize.height = mTitle.GetImplementation().GetHeightForWidth( naturalSize.width );
760 naturalSize += titleNaturalSize;
763 naturalSize.height += mPopupStyle->margin;
768 Vector3 contentSize = mContent.GetNaturalSize();
769 // Choose the biggest width
770 naturalSize.width = std::max( naturalSize.width, contentSize.width );
771 if( naturalSize.width > maxWidth )
773 naturalSize.width = maxWidth;
774 contentSize.height = mContent.GetHeightForWidth( maxWidth );
776 naturalSize.height += contentSize.height + mPopupStyle->margin;
779 if( !mButtons.empty() )
781 naturalSize.height += mPopupStyle->bottomSize.height;
785 naturalSize.width += margin;
786 naturalSize.height += margin;
791 float Popup::GetHeightForWidth( float width )
793 float height( 0.0f );
794 float popupWidth( width - 2.f * ( POPUP_OUT_MARGIN_WIDTH + mPopupStyle->margin ) );
798 height += mTitle.GetImplementation().GetHeightForWidth( popupWidth );
799 height += mPopupStyle->margin;
804 height += mContent.GetHeightForWidth( popupWidth ) + mPopupStyle->margin;
807 if( !mButtons.empty() )
809 height += mPopupStyle->bottomSize.height;
813 float margin( 2.0f * ( POPUP_OUT_MARGIN_WIDTH + mPopupStyle->margin ) );
819 float Popup::GetWidthForHeight( float height )
821 return GetNaturalSize().width;
824 Actor Popup::GetNextKeyboardFocusableActor(Actor currentFocusedActor, Toolkit::Control::KeyboardFocusNavigationDirection direction, bool loopEnabled)
826 Actor nextFocusableActor( currentFocusedActor );
828 // TODO: Needs to be optimised
830 if ( !currentFocusedActor || ( currentFocusedActor && KeyboardFocusManager::Get().GetFocusGroup(currentFocusedActor) != Self() ) )
832 // The current focused actor is not within popup
833 if( mContent && mContent.IsKeyboardFocusable() )
835 // If content is focusable, move the focus to content
836 nextFocusableActor = mContent;
838 else if( !mButtons.empty() )
840 // Otherwise, movethe focus to the first button
841 nextFocusableActor = mButtons[0];
846 // Rebuild the focus chain because button or content can be added or removed dynamically
847 ActorContainer focusableActors;
848 if( mContent && mContent.IsKeyboardFocusable() )
850 focusableActors.push_back(mContent);
853 for(unsigned int i = 0; i < mButtons.size(); i++)
855 if( mButtons[i] && mButtons[i].IsKeyboardFocusable() )
857 focusableActors.push_back(mButtons[i]);
861 for ( ActorContainer::iterator iter = focusableActors.begin(), end = focusableActors.end(); iter != end; ++iter )
863 if ( currentFocusedActor == *iter )
867 case Toolkit::Control::Left:
869 if ( iter == focusableActors.begin() )
871 nextFocusableActor = *( focusableActors.end() - 1 );
875 nextFocusableActor = *( iter - 1 );
879 case Toolkit::Control::Right:
881 if ( iter == focusableActors.end() - 1 )
883 nextFocusableActor = *( focusableActors.begin() );
887 nextFocusableActor = *( iter + 1 );
892 case Toolkit::Control::Up:
894 if ( *iter == mContent )
896 nextFocusableActor = *( focusableActors.end() - 1 );
900 if ( mContent && mContent.IsKeyboardFocusable() )
902 nextFocusableActor = mContent;
906 if ( iter == focusableActors.begin() )
908 nextFocusableActor = *( focusableActors.end() - 1 );
912 nextFocusableActor = *( iter - 1 );
919 case Toolkit::Control::Down:
921 if ( mContent && mContent.IsKeyboardFocusable() )
923 nextFocusableActor = mContent;
927 if ( iter == focusableActors.end() - 1 )
929 nextFocusableActor = *( focusableActors.begin() );
933 nextFocusableActor = *( iter + 1 );
937 if ( *iter == mContent && !mButtons.empty() )
939 nextFocusableActor = mButtons[0];
945 if(!nextFocusableActor)
947 DALI_LOG_WARNING("Can not decide next focusable actor\n");
955 return nextFocusableActor;
958 } // namespace Internal
960 } // namespace Toolkit