2 * Copyright (c) 2017 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/scroll-bar/scroll-bar-impl.h>
22 #include <cstring> // for strcmp
23 #include <dali/public-api/animation/constraint.h>
24 #include <dali/public-api/animation/constraints.h>
25 #include <dali/public-api/images/resource-image.h>
26 #include <dali/public-api/object/type-registry.h>
27 #include <dali/public-api/object/property-array.h>
28 #include <dali/public-api/object/type-registry-helper.h>
29 #include <dali/integration-api/debug.h>
30 #include <dali/devel-api/object/property-helper-devel.h>
31 #include <dali/devel-api/object/handle-devel.h>
34 #include <dali-toolkit/internal/controls/scrollable/item-view/item-view-impl.h>
35 #include <dali-toolkit/public-api/controls/image-view/image-view.h>
36 #include <dali-toolkit/devel-api/controls/scroll-bar/scroll-bar-devel.h>
43 const char* DEFAULT_INDICATOR_IMAGE_PATH = DALI_IMAGE_DIR "popup_scroll.9.png";
44 const float DEFAULT_SLIDER_DEPTH(1.0f);
45 const float DEFAULT_INDICATOR_SHOW_DURATION(0.5f);
46 const float DEFAULT_INDICATOR_HIDE_DURATION(0.5f);
47 const float DEFAULT_PAN_GESTURE_PROCESS_TIME(16.7f); // 16.7 milliseconds, i.e. one frame
48 const float DEFAULT_INDICATOR_FIXED_HEIGHT(80.0f);
49 const float DEFAULT_INDICATOR_MINIMUM_HEIGHT(0.0f);
50 const float DEFAULT_INDICATOR_START_PADDING(0.0f);
51 const float DEFAULT_INDICATOR_END_PADDING(0.0f);
52 const float DEFAULT_INDICATOR_TRANSIENT_DURATION(1.0f);
55 * Indicator size constraint
56 * Indicator size depends on both indicator's parent size and the scroll content size
58 struct IndicatorSizeConstraint
61 * @param[in] minimumHeight The minimum height for the indicator
62 * @param[in] padding The sum of the padding at the start & end of the indicator
64 IndicatorSizeConstraint( float minimumHeight, float padding )
65 : mMinimumHeight( minimumHeight ),
72 * @param[in] current The current indicator size
73 * @param[in] parentSizeProperty The parent size of scroll indicator.
74 * @return The new scroll indicator size.
76 void operator()( Vector3& current, const PropertyInputContainer& inputs )
78 const Vector3& parentSize = inputs[0]->GetVector3();
79 const float contentSize = inputs[1]->GetFloat();
81 // Take into account padding that may exist at the beginning and end of the indicator.
82 const float parentHeightMinusPadding = parentSize.height - mPadding;
84 float height = contentSize > parentHeightMinusPadding ?
85 parentHeightMinusPadding * ( parentHeightMinusPadding / contentSize ) :
86 parentHeightMinusPadding * ( ( parentHeightMinusPadding - contentSize * 0.5f ) / parentHeightMinusPadding );
88 current.y = std::max( mMinimumHeight, height );
96 * Indicator position constraint
97 * Positions the indicator to reflect the current scroll position within the scroll domain.
99 struct IndicatorPositionConstraint
102 * @param[in] startPadding The padding at the start of the indicator
103 * @param[in] endPadding The padding at the end of the indicator
105 IndicatorPositionConstraint( float startPadding, float endPadding )
106 : mStartPadding( startPadding ),
107 mEndPadding( endPadding )
112 * Constraint operator
113 * @param[in,out] current The current indicator position
114 * @param[in] inputs Contains the size of indicator, the size of indicator's parent, and the scroll position of the scrollable container (from 0.0 -> 1.0 in each axis)
115 * @return The new indicator position is returned.
117 void operator()( Vector3& current, const PropertyInputContainer& inputs )
119 const Vector3& indicatorSize = inputs[0]->GetVector3();
120 const Vector3& parentSize = inputs[1]->GetVector3();
121 const float scrollPosition = -inputs[2]->GetFloat();
122 const float minimumScrollPosition = inputs[3]->GetFloat();
123 const float maximumScrollPosition = inputs[4]->GetFloat();
125 // Take into account padding that may exist at the beginning and end of the indicator.
126 const float parentHeightMinusPadding = parentSize.height - ( mStartPadding + mEndPadding );
128 float relativePosition = std::max( 0.0f, std::min( 1.0f, ( scrollPosition - minimumScrollPosition ) / ( maximumScrollPosition - minimumScrollPosition ) ) );
129 current.y = mStartPadding + ( parentHeightMinusPadding - indicatorSize.height ) * relativePosition;
130 current.z = DEFAULT_SLIDER_DEPTH;
137 } // unnamed namespace
151 using namespace Dali;
155 return Toolkit::ScrollBar::New();
158 // Setup properties, signals and actions using the type-registry.
159 DALI_TYPE_REGISTRATION_BEGIN( Toolkit::ScrollBar, Toolkit::Control, Create );
161 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "scrollDirection", STRING, SCROLL_DIRECTION )
162 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorHeightPolicy", STRING, INDICATOR_HEIGHT_POLICY )
163 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorFixedHeight", FLOAT, INDICATOR_FIXED_HEIGHT )
164 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorShowDuration", FLOAT, INDICATOR_SHOW_DURATION )
165 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorHideDuration", FLOAT, INDICATOR_HIDE_DURATION )
166 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "scrollPositionIntervals", ARRAY, SCROLL_POSITION_INTERVALS )
167 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorMinimumHeight", FLOAT, INDICATOR_MINIMUM_HEIGHT )
168 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorStartPadding", FLOAT, INDICATOR_START_PADDING )
169 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorEndPadding", FLOAT, INDICATOR_END_PADDING )
171 DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorTransientDuration", FLOAT, INDICATOR_TRANSIENT_DURATION )
173 DALI_SIGNAL_REGISTRATION( Toolkit, ScrollBar, "panFinished", PAN_FINISHED_SIGNAL )
174 DALI_SIGNAL_REGISTRATION( Toolkit, ScrollBar, "scrollPositionIntervalReached", SCROLL_POSITION_INTERVAL_REACHED_SIGNAL )
176 DALI_ACTION_REGISTRATION( Toolkit, ScrollBar, "ShowIndicator", ACTION_SHOW_INDICATOR )
177 DALI_ACTION_REGISTRATION( Toolkit, ScrollBar, "HideIndicator", ACTION_HIDE_INDICATOR )
178 DALI_ACTION_REGISTRATION( Toolkit, ScrollBar, "ShowTransientIndicator", ACTION_SHOW_TRANSIENT_INDICATOR )
180 DALI_TYPE_REGISTRATION_END()
182 const char* SCROLL_DIRECTION_NAME[] = {"Vertical", "Horizontal"};
183 const char* INDICATOR_HEIGHT_POLICY_NAME[] = {"Variable", "Fixed"};
187 ScrollBar::ScrollBar(Toolkit::ScrollBar::Direction direction)
188 : Control( ControlBehaviour( CONTROL_BEHAVIOUR_DEFAULT ) ),
189 mIndicatorShowAlpha(1.0f),
190 mDirection(direction),
191 mScrollableObject(WeakHandleBase()),
192 mPropertyScrollPosition(Property::INVALID_INDEX),
193 mPropertyMinScrollPosition(Property::INVALID_INDEX),
194 mPropertyMaxScrollPosition(Property::INVALID_INDEX),
195 mPropertyScrollContentSize(Property::INVALID_INDEX),
196 mIndicatorShowDuration(DEFAULT_INDICATOR_SHOW_DURATION),
197 mIndicatorHideDuration(DEFAULT_INDICATOR_HIDE_DURATION),
198 mTransientIndicatorDuration(DEFAULT_INDICATOR_TRANSIENT_DURATION),
200 mCurrentScrollPosition(0.0f),
201 mIndicatorHeightPolicy(Toolkit::ScrollBar::Variable),
202 mIndicatorFixedHeight(DEFAULT_INDICATOR_FIXED_HEIGHT),
203 mIndicatorMinimumHeight(DEFAULT_INDICATOR_MINIMUM_HEIGHT),
204 mIndicatorStartPadding(DEFAULT_INDICATOR_START_PADDING),
205 mIndicatorEndPadding(DEFAULT_INDICATOR_END_PADDING),
207 mIndicatorFirstShow(true)
211 ScrollBar::~ScrollBar()
215 void ScrollBar::OnInitialize()
217 CreateDefaultIndicatorActor();
218 Self().SetDrawMode(DrawMode::OVERLAY_2D);
221 void ScrollBar::SetScrollPropertySource( Handle handle, Property::Index propertyScrollPosition, Property::Index propertyMinScrollPosition, Property::Index propertyMaxScrollPosition, Property::Index propertyScrollContentSize )
224 && propertyScrollPosition != Property::INVALID_INDEX
225 && propertyMinScrollPosition != Property::INVALID_INDEX
226 && propertyMaxScrollPosition != Property::INVALID_INDEX
227 && propertyScrollContentSize != Property::INVALID_INDEX )
229 mScrollableObject = WeakHandleBase(handle);
230 mPropertyScrollPosition = propertyScrollPosition;
231 mPropertyMinScrollPosition = propertyMinScrollPosition;
232 mPropertyMaxScrollPosition = propertyMaxScrollPosition;
233 mPropertyScrollContentSize = propertyScrollContentSize;
239 DALI_LOG_ERROR("Can not set empty handle of source object or invalid source property index\n");
243 void ScrollBar::CreateDefaultIndicatorActor()
245 Toolkit::ImageView indicator = Toolkit::ImageView::New( DEFAULT_INDICATOR_IMAGE_PATH );
246 indicator.SetParentOrigin( ParentOrigin::TOP_LEFT );
247 indicator.SetAnchorPoint( AnchorPoint::TOP_LEFT );
248 indicator.SetStyleName( "ScrollBarIndicator" );
249 indicator.SetColorMode( USE_OWN_MULTIPLY_PARENT_COLOR );
250 SetScrollIndicator(indicator);
253 void ScrollBar::SetScrollIndicator( Actor indicator )
255 // Don't allow empty handle
258 // Remove current Indicator
261 Self().Remove( mIndicator );
263 mIndicator = indicator;
265 mIndicatorFirstShow = true;
266 Self().Add( mIndicator );
268 EnableGestureDetection( Gesture::Type( Gesture::Pan ) );
270 PanGestureDetector detector( GetPanGestureDetector() );
271 detector.DetachAll();
272 detector.Attach( mIndicator );
274 unsigned int childCount = mIndicator.GetChildCount();
275 for ( unsigned int index = 0; index < childCount; index++ )
277 Actor child = mIndicator.GetChildAt( index );
280 detector.Attach( child );
286 DALI_LOG_ERROR("Empty handle of scroll indicator\n");
290 Actor ScrollBar::GetScrollIndicator()
295 void ScrollBar::ApplyConstraints()
297 Handle scrollableHandle = mScrollableObject.GetBaseHandle();
299 if( scrollableHandle )
301 if(mIndicatorSizeConstraint)
303 mIndicatorSizeConstraint.Remove();
306 // Set indicator height according to the indicator's height policy
307 if(mIndicatorHeightPolicy == Toolkit::ScrollBar::Fixed)
309 mIndicator.SetSize(Self().GetCurrentSize().width, mIndicatorFixedHeight);
313 mIndicatorSizeConstraint = Constraint::New<Vector3>( mIndicator, Actor::Property::SIZE,
314 IndicatorSizeConstraint( mIndicatorMinimumHeight, mIndicatorStartPadding + mIndicatorEndPadding ) );
315 mIndicatorSizeConstraint.AddSource( ParentSource( Actor::Property::SIZE ) );
316 mIndicatorSizeConstraint.AddSource( Source( scrollableHandle, mPropertyScrollContentSize ) );
317 mIndicatorSizeConstraint.Apply();
320 if(mIndicatorPositionConstraint)
322 mIndicatorPositionConstraint.Remove();
325 mIndicatorPositionConstraint = Constraint::New<Vector3>( mIndicator, Actor::Property::POSITION,
326 IndicatorPositionConstraint( mIndicatorStartPadding, mIndicatorEndPadding ) );
327 mIndicatorPositionConstraint.AddSource( LocalSource( Actor::Property::SIZE ) );
328 mIndicatorPositionConstraint.AddSource( ParentSource( Actor::Property::SIZE ) );
329 mIndicatorPositionConstraint.AddSource( Source( scrollableHandle, mPropertyScrollPosition ) );
330 mIndicatorPositionConstraint.AddSource( Source( scrollableHandle, mPropertyMinScrollPosition ) );
331 mIndicatorPositionConstraint.AddSource( Source( scrollableHandle, mPropertyMaxScrollPosition ) );
332 mIndicatorPositionConstraint.Apply();
336 void ScrollBar::SetScrollPositionIntervals( const Dali::Vector<float>& positions )
338 mScrollPositionIntervals = positions;
340 Handle scrollableHandle = mScrollableObject.GetBaseHandle();
342 if( scrollableHandle )
344 if( mPositionNotification )
346 scrollableHandle.RemovePropertyNotification(mPositionNotification);
349 mPositionNotification = scrollableHandle.AddPropertyNotification( mPropertyScrollPosition, VariableStepCondition(mScrollPositionIntervals) );
350 mPositionNotification.NotifySignal().Connect( this, &ScrollBar::OnScrollPositionIntervalReached );
354 Dali::Vector<float> ScrollBar::GetScrollPositionIntervals() const
356 return mScrollPositionIntervals;
359 void ScrollBar::OnScrollPositionIntervalReached(PropertyNotification& source)
361 // Emit the signal to notify the scroll position crossing
362 Handle scrollableHandle = mScrollableObject.GetBaseHandle();
365 mScrollPositionIntervalReachedSignal.Emit( DevelHandle::GetCurrentProperty< float >( scrollableHandle, mPropertyScrollPosition ) );
369 void ScrollBar::ShowIndicator()
371 // Cancel any animation
378 if( mIndicatorFirstShow )
380 // Preserve the alpha value from the stylesheet
381 mIndicatorShowAlpha = Self().GetCurrentColor().a;
382 mIndicatorFirstShow = false;
385 if(mIndicatorShowDuration > 0.0f)
387 mAnimation = Animation::New( mIndicatorShowDuration );
388 mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ), mIndicatorShowAlpha, AlphaFunction::EASE_IN );
393 mIndicator.SetOpacity(mIndicatorShowAlpha);
397 void ScrollBar::HideIndicator()
399 // Cancel any animation
406 if(mIndicatorHideDuration > 0.0f)
408 mAnimation = Animation::New( mIndicatorHideDuration );
409 mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ), 0.0f, AlphaFunction::EASE_IN );
414 mIndicator.SetOpacity(0.0f);
418 void ScrollBar::ShowTransientIndicator()
420 // Cancel any animation
427 mAnimation = Animation::New( mIndicatorShowDuration + mTransientIndicatorDuration + mIndicatorHideDuration );
428 if(mIndicatorShowDuration > 0.0f)
430 mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ),
431 mIndicatorShowAlpha, AlphaFunction::EASE_IN, TimePeriod(0, mIndicatorShowDuration) );
435 mIndicator.SetOpacity(mIndicatorShowAlpha);
437 mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ),
438 0.0f, AlphaFunction::EASE_IN, TimePeriod((mIndicatorShowDuration + mTransientIndicatorDuration), mIndicatorHideDuration) );
442 bool ScrollBar::OnPanGestureProcessTick()
444 // Update the scroll position property.
445 Handle scrollableHandle = mScrollableObject.GetBaseHandle();
446 if( scrollableHandle )
448 scrollableHandle.SetProperty(mPropertyScrollPosition, mCurrentScrollPosition);
454 void ScrollBar::OnPan( const PanGesture& gesture )
456 Handle scrollableHandle = mScrollableObject.GetBaseHandle();
460 Dali::Toolkit::ItemView itemView = Dali::Toolkit::ItemView::DownCast(scrollableHandle);
462 switch(gesture.state)
464 case Gesture::Started:
466 if( !mPanProcessTimer )
468 // Make sure the pan gesture is only being processed once per frame.
469 mPanProcessTimer = Timer::New( DEFAULT_PAN_GESTURE_PROCESS_TIME );
470 mPanProcessTimer.TickSignal().Connect( this, &ScrollBar::OnPanGestureProcessTick );
471 mPanProcessTimer.Start();
475 mScrollStart = DevelHandle::GetCurrentProperty< float >( scrollableHandle, mPropertyScrollPosition );
476 mGestureDisplacement = Vector3::ZERO;
481 case Gesture::Continuing:
483 mGestureDisplacement.x += gesture.displacement.x;
484 mGestureDisplacement.y += gesture.displacement.y;
486 float minScrollPosition = DevelHandle::GetCurrentProperty<float>( scrollableHandle, mPropertyMinScrollPosition );
487 float maxScrollPosition = DevelHandle::GetCurrentProperty<float>( scrollableHandle, mPropertyMaxScrollPosition );
489 // The domain size is the internal range
490 float domainSize = maxScrollPosition - minScrollPosition;
491 float logicalSize = Self().GetCurrentSize().y - ( mIndicator.GetCurrentSize().y + mIndicatorStartPadding + mIndicatorEndPadding );
493 mCurrentScrollPosition = mScrollStart - ( ( mGestureDisplacement.y * domainSize ) / logicalSize );
494 mCurrentScrollPosition = -std::min( maxScrollPosition, std::max( -mCurrentScrollPosition, minScrollPosition ) );
502 if( mPanProcessTimer )
504 // Destroy the timer when pan gesture is finished.
505 mPanProcessTimer.Stop();
506 mPanProcessTimer.TickSignal().Disconnect( this, &ScrollBar::OnPanGestureProcessTick );
507 mPanProcessTimer.Reset();
512 // Refresh the ItemView cache with extra items
513 GetImpl(itemView).DoRefresh(mCurrentScrollPosition, true);
516 mPanFinishedSignal.Emit();
524 // Disable automatic refresh in ItemView during fast scrolling
525 GetImpl(itemView).SetRefreshEnabled(!mIsPanning);
530 void ScrollBar::OnSizeSet( const Vector3& size )
532 if(mIndicatorHeightPolicy == Toolkit::ScrollBar::Fixed)
534 mIndicator.SetSize(size.width, mIndicatorFixedHeight);
537 Control::OnSizeSet( size );
540 void ScrollBar::SetScrollDirection( Toolkit::ScrollBar::Direction direction )
542 mDirection = direction;
545 Toolkit::ScrollBar::Direction ScrollBar::GetScrollDirection() const
550 void ScrollBar::SetIndicatorHeightPolicy( Toolkit::ScrollBar::IndicatorHeightPolicy policy )
552 if( policy != mIndicatorHeightPolicy )
554 mIndicatorHeightPolicy = policy;
559 Toolkit::ScrollBar::IndicatorHeightPolicy ScrollBar::GetIndicatorHeightPolicy() const
561 return mIndicatorHeightPolicy;
564 void ScrollBar::SetIndicatorFixedHeight( float height )
566 mIndicatorFixedHeight = height;
568 if(mIndicatorHeightPolicy == Toolkit::ScrollBar::Fixed)
570 mIndicator.SetSize(Self().GetCurrentSize().width, mIndicatorFixedHeight);
574 float ScrollBar::GetIndicatorFixedHeight() const
576 return mIndicatorFixedHeight;
579 void ScrollBar::SetIndicatorShowDuration( float durationSeconds )
581 mIndicatorShowDuration = durationSeconds;
584 float ScrollBar::GetIndicatorShowDuration() const
586 return mIndicatorShowDuration;
589 void ScrollBar::SetIndicatorHideDuration( float durationSeconds )
591 mIndicatorHideDuration = durationSeconds;
594 float ScrollBar::GetIndicatorHideDuration() const
596 return mIndicatorHideDuration;
599 void ScrollBar::OnScrollDirectionPropertySet( Property::Value propertyValue )
601 std::string directionName( propertyValue.Get<std::string>() );
602 if(directionName == "Vertical")
604 SetScrollDirection(Toolkit::ScrollBar::Vertical);
606 else if(directionName == "Horizontal")
608 SetScrollDirection(Toolkit::ScrollBar::Horizontal);
612 DALI_ASSERT_ALWAYS( !"ScrollBar::OnScrollDirectionPropertySet(). Invalid Property value." );
616 void ScrollBar::OnIndicatorHeightPolicyPropertySet( Property::Value propertyValue )
618 std::string policyName( propertyValue.Get<std::string>() );
619 if(policyName == "Variable")
621 SetIndicatorHeightPolicy(Toolkit::ScrollBar::Variable);
623 else if(policyName == "Fixed")
625 SetIndicatorHeightPolicy(Toolkit::ScrollBar::Fixed);
629 DALI_ASSERT_ALWAYS( !"ScrollBar::OnIndicatorHeightPolicyPropertySet(). Invalid Property value." );
633 bool ScrollBar::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
635 Dali::BaseHandle handle( object );
637 bool connected( true );
638 Toolkit::ScrollBar scrollBar = Toolkit::ScrollBar::DownCast( handle );
640 if( 0 == strcmp( signalName.c_str(), PAN_FINISHED_SIGNAL ) )
642 scrollBar.PanFinishedSignal().Connect( tracker, functor );
644 else if( 0 == strcmp( signalName.c_str(), SCROLL_POSITION_INTERVAL_REACHED_SIGNAL ) )
646 scrollBar.ScrollPositionIntervalReachedSignal().Connect( tracker, functor );
650 // signalName does not match any signal
657 void ScrollBar::SetProperty( BaseObject* object, Property::Index index, const Property::Value& value )
659 Toolkit::ScrollBar scrollBar = Toolkit::ScrollBar::DownCast( Dali::BaseHandle( object ) );
663 ScrollBar& scrollBarImpl( GetImpl( scrollBar ) );
666 case Toolkit::ScrollBar::Property::SCROLL_DIRECTION:
668 scrollBarImpl.OnScrollDirectionPropertySet( value );
671 case Toolkit::ScrollBar::Property::INDICATOR_HEIGHT_POLICY:
673 scrollBarImpl.OnIndicatorHeightPolicyPropertySet( value );
676 case Toolkit::ScrollBar::Property::INDICATOR_FIXED_HEIGHT:
678 scrollBarImpl.SetIndicatorFixedHeight(value.Get<float>());
681 case Toolkit::ScrollBar::Property::INDICATOR_SHOW_DURATION:
683 scrollBarImpl.SetIndicatorShowDuration(value.Get<float>());
686 case Toolkit::ScrollBar::Property::INDICATOR_HIDE_DURATION:
688 scrollBarImpl.SetIndicatorHideDuration(value.Get<float>());
691 case Toolkit::ScrollBar::Property::SCROLL_POSITION_INTERVALS:
693 Property::Array* array = value.GetArray();
696 Dali::Vector<float> positions;
697 size_t positionCount = array->Count();
698 positions.Resize( positionCount );
699 for( size_t i = 0; i != positionCount; ++i )
701 array->GetElementAt( i ).Get( positions[i] );
704 scrollBarImpl.SetScrollPositionIntervals(positions);
708 case Toolkit::ScrollBar::Property::INDICATOR_MINIMUM_HEIGHT:
710 scrollBarImpl.mIndicatorMinimumHeight = value.Get<float>();
711 scrollBarImpl.ApplyConstraints();
714 case Toolkit::ScrollBar::Property::INDICATOR_START_PADDING:
716 scrollBarImpl.mIndicatorStartPadding = value.Get<float>();
717 scrollBarImpl.ApplyConstraints();
720 case Toolkit::ScrollBar::Property::INDICATOR_END_PADDING:
722 scrollBarImpl.mIndicatorEndPadding = value.Get<float>();
723 scrollBarImpl.ApplyConstraints();
726 case Toolkit::DevelScrollBar::Property::INDICATOR_TRANSIENT_DURATION:
728 scrollBarImpl.mTransientIndicatorDuration = value.Get<float>();
735 Property::Value ScrollBar::GetProperty( BaseObject* object, Property::Index index )
737 Property::Value value;
739 Toolkit::ScrollBar scrollBar = Toolkit::ScrollBar::DownCast( Dali::BaseHandle( object ) );
743 ScrollBar& scrollBarImpl( GetImpl( scrollBar ) );
746 case Toolkit::ScrollBar::Property::SCROLL_DIRECTION:
748 value = SCROLL_DIRECTION_NAME[ scrollBarImpl.GetScrollDirection() ];
751 case Toolkit::ScrollBar::Property::INDICATOR_HEIGHT_POLICY:
753 value = INDICATOR_HEIGHT_POLICY_NAME[ scrollBarImpl.GetIndicatorHeightPolicy() ];
756 case Toolkit::ScrollBar::Property::INDICATOR_FIXED_HEIGHT:
758 value = scrollBarImpl.GetIndicatorFixedHeight();
761 case Toolkit::ScrollBar::Property::INDICATOR_SHOW_DURATION:
763 value = scrollBarImpl.GetIndicatorShowDuration();
766 case Toolkit::ScrollBar::Property::INDICATOR_HIDE_DURATION:
768 value = scrollBarImpl.GetIndicatorHideDuration();
771 case Toolkit::ScrollBar::Property::SCROLL_POSITION_INTERVALS:
773 Property::Value value( Property::ARRAY );
774 Property::Array* array = value.GetArray();
778 Dali::Vector<float> positions = scrollBarImpl.GetScrollPositionIntervals();
779 size_t positionCount( array->Count() );
780 for( size_t i( 0 ); i != positionCount; ++i )
782 array->PushBack( positions[i] );
787 case Toolkit::ScrollBar::Property::INDICATOR_MINIMUM_HEIGHT:
789 value = scrollBarImpl.mIndicatorMinimumHeight;
792 case Toolkit::ScrollBar::Property::INDICATOR_START_PADDING:
794 value = scrollBarImpl.mIndicatorStartPadding;
797 case Toolkit::ScrollBar::Property::INDICATOR_END_PADDING:
799 value = scrollBarImpl.mIndicatorEndPadding;
802 case Toolkit::DevelScrollBar::Property::INDICATOR_TRANSIENT_DURATION:
804 value = scrollBarImpl.mTransientIndicatorDuration;
812 bool ScrollBar::DoAction( BaseObject* object, const std::string& actionName, const Property::Map& attributes )
816 Dali::BaseHandle handle( object );
818 Toolkit::ScrollBar scrollBar = Toolkit::ScrollBar::DownCast( handle );
820 DALI_ASSERT_DEBUG( scrollBar );
824 if( 0 == strcmp( actionName.c_str(), ACTION_SHOW_INDICATOR ) )
826 GetImpl( scrollBar ).ShowIndicator();
829 else if( 0 == strcmp( actionName.c_str(), ACTION_HIDE_INDICATOR ) )
831 GetImpl( scrollBar ).HideIndicator();
834 else if( 0 == strcmp( actionName.c_str(), ACTION_SHOW_TRANSIENT_INDICATOR ) )
836 GetImpl( scrollBar ).ShowTransientIndicator();
844 Toolkit::ScrollBar ScrollBar::New(Toolkit::ScrollBar::Direction direction)
846 // Create the implementation, temporarily owned by this handle on stack
847 IntrusivePtr< ScrollBar > impl = new ScrollBar(direction);
849 // Pass ownership to CustomActor handle
850 Toolkit::ScrollBar handle( *impl );
852 // Second-phase init of the implementation
853 // This can only be done after the CustomActor connection has been made...
859 } // namespace Internal
861 } // namespace Toolkit