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>
33 #include <dali-toolkit/internal/controls/scrollable/item-view/item-view-impl.h>
34 #include <dali-toolkit/public-api/controls/image-view/image-view.h>
41 const char* DEFAULT_INDICATOR_IMAGE_PATH = DALI_IMAGE_DIR "popup_scroll.9.png";
42 const float DEFAULT_SLIDER_DEPTH(1.0f);
43 const float DEFAULT_INDICATOR_SHOW_DURATION(0.5f);
44 const float DEFAULT_INDICATOR_HIDE_DURATION(0.5f);
45 const float DEFAULT_PAN_GESTURE_PROCESS_TIME(16.7f); // 16.7 milliseconds, i.e. one frame
46 const float DEFAULT_INDICATOR_FIXED_HEIGHT(80.0f);
47 const float DEFAULT_INDICATOR_MINIMUM_HEIGHT(0.0f);
48 const float DEFAULT_INDICATOR_START_PADDING(0.0f);
49 const float DEFAULT_INDICATOR_END_PADDING(0.0f);
50 const float DEFAULT_INDICATOR_TRANSIENT_DURATION(1.0f);
53 * Indicator size constraint
54 * Indicator size depends on both indicator's parent size and the scroll content size
56 struct IndicatorSizeConstraint
59 * @param[in] minimumHeight The minimum height for the indicator
60 * @param[in] padding The sum of the padding at the start & end of the indicator
62 IndicatorSizeConstraint( float minimumHeight, float padding )
63 : mMinimumHeight( minimumHeight ),
70 * @param[in] current The current indicator size
71 * @param[in] parentSizeProperty The parent size of scroll indicator.
72 * @return The new scroll indicator size.
74 void operator()( Vector3& current, const PropertyInputContainer& inputs )
76 const Vector3& parentSize = inputs[0]->GetVector3();
77 const float contentSize = inputs[1]->GetFloat();
79 // Take into account padding that may exist at the beginning and end of the indicator.
80 const float parentHeightMinusPadding = parentSize.height - mPadding;
82 float height = contentSize > parentHeightMinusPadding ?
83 parentHeightMinusPadding * ( parentHeightMinusPadding / contentSize ) :
84 parentHeightMinusPadding * ( ( parentHeightMinusPadding - contentSize * 0.5f ) / parentHeightMinusPadding );
86 current.y = std::max( mMinimumHeight, height );
94 * Indicator position constraint
95 * Positions the indicator to reflect the current scroll position within the scroll domain.
97 struct IndicatorPositionConstraint
100 * @param[in] startPadding The padding at the start of the indicator
101 * @param[in] endPadding The padding at the end of the indicator
103 IndicatorPositionConstraint( float startPadding, float endPadding )
104 : mStartPadding( startPadding ),
105 mEndPadding( endPadding )
110 * Constraint operator
111 * @param[in,out] current The current indicator position
112 * @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)
113 * @return The new indicator position is returned.
115 void operator()( Vector3& current, const PropertyInputContainer& inputs )
117 const Vector3& indicatorSize = inputs[0]->GetVector3();
118 const Vector3& parentSize = inputs[1]->GetVector3();
119 const float scrollPosition = -inputs[2]->GetFloat();
120 const float minimumScrollPosition = inputs[3]->GetFloat();
121 const float maximumScrollPosition = inputs[4]->GetFloat();
123 // Take into account padding that may exist at the beginning and end of the indicator.
124 const float parentHeightMinusPadding = parentSize.height - ( mStartPadding + mEndPadding );
126 float relativePosition = std::max( 0.0f, std::min( 1.0f, ( scrollPosition - minimumScrollPosition ) / ( maximumScrollPosition - minimumScrollPosition ) ) );
127 current.y = mStartPadding + ( parentHeightMinusPadding - indicatorSize.height ) * relativePosition;
128 current.z = DEFAULT_SLIDER_DEPTH;
135 } // unnamed namespace
149 using namespace Dali;
153 return Toolkit::ScrollBar::New();
156 // Setup properties, signals and actions using the type-registry.
157 DALI_TYPE_REGISTRATION_BEGIN( Toolkit::ScrollBar, Toolkit::Control, Create );
159 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "scrollDirection", STRING, SCROLL_DIRECTION )
160 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorHeightPolicy", STRING, INDICATOR_HEIGHT_POLICY )
161 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorFixedHeight", FLOAT, INDICATOR_FIXED_HEIGHT )
162 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorShowDuration", FLOAT, INDICATOR_SHOW_DURATION )
163 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorHideDuration", FLOAT, INDICATOR_HIDE_DURATION )
164 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "scrollPositionIntervals", ARRAY, SCROLL_POSITION_INTERVALS )
165 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorMinimumHeight", FLOAT, INDICATOR_MINIMUM_HEIGHT )
166 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorStartPadding", FLOAT, INDICATOR_START_PADDING )
167 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorEndPadding", FLOAT, INDICATOR_END_PADDING )
168 DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorTransientDuration", FLOAT, INDICATOR_TRANSIENT_DURATION )
170 DALI_SIGNAL_REGISTRATION( Toolkit, ScrollBar, "panFinished", PAN_FINISHED_SIGNAL )
171 DALI_SIGNAL_REGISTRATION( Toolkit, ScrollBar, "scrollPositionIntervalReached", SCROLL_POSITION_INTERVAL_REACHED_SIGNAL )
173 DALI_ACTION_REGISTRATION( Toolkit, ScrollBar, "ShowIndicator", ACTION_SHOW_INDICATOR )
174 DALI_ACTION_REGISTRATION( Toolkit, ScrollBar, "HideIndicator", ACTION_HIDE_INDICATOR )
175 DALI_ACTION_REGISTRATION( Toolkit, ScrollBar, "ShowTransientIndicator", ACTION_SHOW_TRANSIENT_INDICATOR )
177 DALI_TYPE_REGISTRATION_END()
179 const char* SCROLL_DIRECTION_NAME[] = {"Vertical", "Horizontal"};
180 const char* INDICATOR_HEIGHT_POLICY_NAME[] = {"Variable", "Fixed"};
184 ScrollBar::ScrollBar(Toolkit::ScrollBar::Direction direction)
185 : Control( ControlBehaviour( CONTROL_BEHAVIOUR_DEFAULT ) ),
186 mIndicatorShowAlpha(1.0f),
187 mDirection(direction),
188 mScrollableObject(WeakHandleBase()),
189 mPropertyScrollPosition(Property::INVALID_INDEX),
190 mPropertyMinScrollPosition(Property::INVALID_INDEX),
191 mPropertyMaxScrollPosition(Property::INVALID_INDEX),
192 mPropertyScrollContentSize(Property::INVALID_INDEX),
193 mIndicatorShowDuration(DEFAULT_INDICATOR_SHOW_DURATION),
194 mIndicatorHideDuration(DEFAULT_INDICATOR_HIDE_DURATION),
195 mTransientIndicatorDuration(DEFAULT_INDICATOR_TRANSIENT_DURATION),
197 mGestureDisplacement( Vector3::ZERO ),
198 mCurrentScrollPosition(0.0f),
199 mIndicatorHeightPolicy(Toolkit::ScrollBar::Variable),
200 mIndicatorFixedHeight(DEFAULT_INDICATOR_FIXED_HEIGHT),
201 mIndicatorMinimumHeight(DEFAULT_INDICATOR_MINIMUM_HEIGHT),
202 mIndicatorStartPadding(DEFAULT_INDICATOR_START_PADDING),
203 mIndicatorEndPadding(DEFAULT_INDICATOR_END_PADDING),
205 mIndicatorFirstShow(true)
209 ScrollBar::~ScrollBar()
213 void ScrollBar::OnInitialize()
215 CreateDefaultIndicatorActor();
216 Self().SetDrawMode(DrawMode::OVERLAY_2D);
219 void ScrollBar::SetScrollPropertySource( Handle handle, Property::Index propertyScrollPosition, Property::Index propertyMinScrollPosition, Property::Index propertyMaxScrollPosition, Property::Index propertyScrollContentSize )
222 && propertyScrollPosition != Property::INVALID_INDEX
223 && propertyMinScrollPosition != Property::INVALID_INDEX
224 && propertyMaxScrollPosition != Property::INVALID_INDEX
225 && propertyScrollContentSize != Property::INVALID_INDEX )
227 mScrollableObject = WeakHandleBase(handle);
228 mPropertyScrollPosition = propertyScrollPosition;
229 mPropertyMinScrollPosition = propertyMinScrollPosition;
230 mPropertyMaxScrollPosition = propertyMaxScrollPosition;
231 mPropertyScrollContentSize = propertyScrollContentSize;
237 DALI_LOG_ERROR("Can not set empty handle of source object or invalid source property index\n");
241 void ScrollBar::CreateDefaultIndicatorActor()
243 Toolkit::ImageView indicator = Toolkit::ImageView::New( DEFAULT_INDICATOR_IMAGE_PATH );
244 indicator.SetParentOrigin( ParentOrigin::TOP_LEFT );
245 indicator.SetAnchorPoint( AnchorPoint::TOP_LEFT );
246 indicator.SetStyleName( "ScrollBarIndicator" );
247 indicator.SetColorMode( USE_OWN_MULTIPLY_PARENT_COLOR );
248 SetScrollIndicator(indicator);
251 void ScrollBar::SetScrollIndicator( Actor indicator )
253 // Don't allow empty handle
256 // Remove current Indicator
259 Self().Remove( mIndicator );
261 mIndicator = indicator;
263 mIndicatorFirstShow = true;
264 Self().Add( mIndicator );
266 EnableGestureDetection( Gesture::Type( Gesture::Pan ) );
268 PanGestureDetector detector( GetPanGestureDetector() );
269 detector.DetachAll();
270 detector.Attach( mIndicator );
272 unsigned int childCount = mIndicator.GetChildCount();
273 for ( unsigned int index = 0; index < childCount; index++ )
275 Actor child = mIndicator.GetChildAt( index );
278 detector.Attach( child );
284 DALI_LOG_ERROR("Empty handle of scroll indicator\n");
288 Actor ScrollBar::GetScrollIndicator()
293 void ScrollBar::ApplyConstraints()
295 Handle scrollableHandle = mScrollableObject.GetBaseHandle();
297 if( scrollableHandle )
299 if(mIndicatorSizeConstraint)
301 mIndicatorSizeConstraint.Remove();
304 // Set indicator height according to the indicator's height policy
305 if(mIndicatorHeightPolicy == Toolkit::ScrollBar::Fixed)
307 mIndicator.SetSize(Self().GetCurrentSize().width, mIndicatorFixedHeight);
311 mIndicatorSizeConstraint = Constraint::New<Vector3>( mIndicator, Actor::Property::SIZE,
312 IndicatorSizeConstraint( mIndicatorMinimumHeight, mIndicatorStartPadding + mIndicatorEndPadding ) );
313 mIndicatorSizeConstraint.AddSource( ParentSource( Actor::Property::SIZE ) );
314 mIndicatorSizeConstraint.AddSource( Source( scrollableHandle, mPropertyScrollContentSize ) );
315 mIndicatorSizeConstraint.Apply();
318 if(mIndicatorPositionConstraint)
320 mIndicatorPositionConstraint.Remove();
323 mIndicatorPositionConstraint = Constraint::New<Vector3>( mIndicator, Actor::Property::POSITION,
324 IndicatorPositionConstraint( mIndicatorStartPadding, mIndicatorEndPadding ) );
325 mIndicatorPositionConstraint.AddSource( LocalSource( Actor::Property::SIZE ) );
326 mIndicatorPositionConstraint.AddSource( ParentSource( Actor::Property::SIZE ) );
327 mIndicatorPositionConstraint.AddSource( Source( scrollableHandle, mPropertyScrollPosition ) );
328 mIndicatorPositionConstraint.AddSource( Source( scrollableHandle, mPropertyMinScrollPosition ) );
329 mIndicatorPositionConstraint.AddSource( Source( scrollableHandle, mPropertyMaxScrollPosition ) );
330 mIndicatorPositionConstraint.Apply();
334 void ScrollBar::SetScrollPositionIntervals( const Dali::Vector<float>& positions )
336 mScrollPositionIntervals = positions;
338 Handle scrollableHandle = mScrollableObject.GetBaseHandle();
340 if( scrollableHandle )
342 if( mPositionNotification )
344 scrollableHandle.RemovePropertyNotification(mPositionNotification);
347 mPositionNotification = scrollableHandle.AddPropertyNotification( mPropertyScrollPosition, VariableStepCondition(mScrollPositionIntervals) );
348 mPositionNotification.NotifySignal().Connect( this, &ScrollBar::OnScrollPositionIntervalReached );
352 Dali::Vector<float> ScrollBar::GetScrollPositionIntervals() const
354 return mScrollPositionIntervals;
357 void ScrollBar::OnScrollPositionIntervalReached(PropertyNotification& source)
359 // Emit the signal to notify the scroll position crossing
360 Handle scrollableHandle = mScrollableObject.GetBaseHandle();
363 mScrollPositionIntervalReachedSignal.Emit( scrollableHandle.GetCurrentProperty< float >( mPropertyScrollPosition ) );
367 void ScrollBar::ShowIndicator()
369 // Cancel any animation
376 if( mIndicatorFirstShow )
378 // Preserve the alpha value from the stylesheet
379 mIndicatorShowAlpha = Self().GetCurrentColor().a;
380 mIndicatorFirstShow = false;
383 if(mIndicatorShowDuration > 0.0f)
385 mAnimation = Animation::New( mIndicatorShowDuration );
386 mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ), mIndicatorShowAlpha, AlphaFunction::EASE_IN );
391 mIndicator.SetOpacity(mIndicatorShowAlpha);
395 void ScrollBar::HideIndicator()
397 // Cancel any animation
404 if(mIndicatorHideDuration > 0.0f)
406 mAnimation = Animation::New( mIndicatorHideDuration );
407 mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ), 0.0f, AlphaFunction::EASE_IN );
412 mIndicator.SetOpacity(0.0f);
416 void ScrollBar::ShowTransientIndicator()
418 // Cancel any animation
425 mAnimation = Animation::New( mIndicatorShowDuration + mTransientIndicatorDuration + mIndicatorHideDuration );
426 if(mIndicatorShowDuration > 0.0f)
428 mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ),
429 mIndicatorShowAlpha, AlphaFunction::EASE_IN, TimePeriod(0, mIndicatorShowDuration) );
433 mIndicator.SetOpacity(mIndicatorShowAlpha);
435 mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ),
436 0.0f, AlphaFunction::EASE_IN, TimePeriod((mIndicatorShowDuration + mTransientIndicatorDuration), mIndicatorHideDuration) );
440 bool ScrollBar::OnPanGestureProcessTick()
442 // Update the scroll position property.
443 Handle scrollableHandle = mScrollableObject.GetBaseHandle();
444 if( scrollableHandle )
446 scrollableHandle.SetProperty(mPropertyScrollPosition, mCurrentScrollPosition);
452 void ScrollBar::OnPan( const PanGesture& gesture )
454 Handle scrollableHandle = mScrollableObject.GetBaseHandle();
458 Dali::Toolkit::ItemView itemView = Dali::Toolkit::ItemView::DownCast(scrollableHandle);
460 switch(gesture.state)
462 case Gesture::Started:
464 if( !mPanProcessTimer )
466 // Make sure the pan gesture is only being processed once per frame.
467 mPanProcessTimer = Timer::New( DEFAULT_PAN_GESTURE_PROCESS_TIME );
468 mPanProcessTimer.TickSignal().Connect( this, &ScrollBar::OnPanGestureProcessTick );
469 mPanProcessTimer.Start();
473 mScrollStart = scrollableHandle.GetCurrentProperty< float >( mPropertyScrollPosition );
474 mGestureDisplacement = Vector3::ZERO;
479 case Gesture::Continuing:
481 mGestureDisplacement.x += gesture.displacement.x;
482 mGestureDisplacement.y += gesture.displacement.y;
484 float minScrollPosition = scrollableHandle.GetCurrentProperty<float>( mPropertyMinScrollPosition );
485 float maxScrollPosition = scrollableHandle.GetCurrentProperty<float>( mPropertyMaxScrollPosition );
487 // The domain size is the internal range
488 float domainSize = maxScrollPosition - minScrollPosition;
489 float logicalSize = Self().GetCurrentSize().y - ( mIndicator.GetCurrentSize().y + mIndicatorStartPadding + mIndicatorEndPadding );
491 mCurrentScrollPosition = mScrollStart - ( ( mGestureDisplacement.y * domainSize ) / logicalSize );
492 mCurrentScrollPosition = -std::min( maxScrollPosition, std::max( -mCurrentScrollPosition, minScrollPosition ) );
500 if( mPanProcessTimer )
502 // Destroy the timer when pan gesture is finished.
503 mPanProcessTimer.Stop();
504 mPanProcessTimer.TickSignal().Disconnect( this, &ScrollBar::OnPanGestureProcessTick );
505 mPanProcessTimer.Reset();
510 // Refresh the ItemView cache with extra items
511 GetImpl(itemView).DoRefresh(mCurrentScrollPosition, true);
514 mPanFinishedSignal.Emit();
522 // Disable automatic refresh in ItemView during fast scrolling
523 GetImpl(itemView).SetRefreshEnabled(!mIsPanning);
528 void ScrollBar::OnSizeSet( const Vector3& size )
530 if(mIndicatorHeightPolicy == Toolkit::ScrollBar::Fixed)
532 mIndicator.SetSize(size.width, mIndicatorFixedHeight);
535 Control::OnSizeSet( size );
538 void ScrollBar::SetScrollDirection( Toolkit::ScrollBar::Direction direction )
540 mDirection = direction;
543 Toolkit::ScrollBar::Direction ScrollBar::GetScrollDirection() const
548 void ScrollBar::SetIndicatorHeightPolicy( Toolkit::ScrollBar::IndicatorHeightPolicy policy )
550 if( policy != mIndicatorHeightPolicy )
552 mIndicatorHeightPolicy = policy;
557 Toolkit::ScrollBar::IndicatorHeightPolicy ScrollBar::GetIndicatorHeightPolicy() const
559 return mIndicatorHeightPolicy;
562 void ScrollBar::SetIndicatorFixedHeight( float height )
564 mIndicatorFixedHeight = height;
566 if(mIndicatorHeightPolicy == Toolkit::ScrollBar::Fixed)
568 mIndicator.SetSize(Self().GetCurrentSize().width, mIndicatorFixedHeight);
572 float ScrollBar::GetIndicatorFixedHeight() const
574 return mIndicatorFixedHeight;
577 void ScrollBar::SetIndicatorShowDuration( float durationSeconds )
579 mIndicatorShowDuration = durationSeconds;
582 float ScrollBar::GetIndicatorShowDuration() const
584 return mIndicatorShowDuration;
587 void ScrollBar::SetIndicatorHideDuration( float durationSeconds )
589 mIndicatorHideDuration = durationSeconds;
592 float ScrollBar::GetIndicatorHideDuration() const
594 return mIndicatorHideDuration;
597 void ScrollBar::OnScrollDirectionPropertySet( Property::Value propertyValue )
599 std::string directionName( propertyValue.Get<std::string>() );
600 if(directionName == "Vertical")
602 SetScrollDirection(Toolkit::ScrollBar::Vertical);
604 else if(directionName == "Horizontal")
606 SetScrollDirection(Toolkit::ScrollBar::Horizontal);
610 DALI_ASSERT_ALWAYS( !"ScrollBar::OnScrollDirectionPropertySet(). Invalid Property value." );
614 void ScrollBar::OnIndicatorHeightPolicyPropertySet( Property::Value propertyValue )
616 std::string policyName( propertyValue.Get<std::string>() );
617 if(policyName == "Variable")
619 SetIndicatorHeightPolicy(Toolkit::ScrollBar::Variable);
621 else if(policyName == "Fixed")
623 SetIndicatorHeightPolicy(Toolkit::ScrollBar::Fixed);
627 DALI_ASSERT_ALWAYS( !"ScrollBar::OnIndicatorHeightPolicyPropertySet(). Invalid Property value." );
631 bool ScrollBar::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
633 Dali::BaseHandle handle( object );
635 bool connected( true );
636 Toolkit::ScrollBar scrollBar = Toolkit::ScrollBar::DownCast( handle );
638 if( 0 == strcmp( signalName.c_str(), PAN_FINISHED_SIGNAL ) )
640 scrollBar.PanFinishedSignal().Connect( tracker, functor );
642 else if( 0 == strcmp( signalName.c_str(), SCROLL_POSITION_INTERVAL_REACHED_SIGNAL ) )
644 scrollBar.ScrollPositionIntervalReachedSignal().Connect( tracker, functor );
648 // signalName does not match any signal
655 void ScrollBar::SetProperty( BaseObject* object, Property::Index index, const Property::Value& value )
657 Toolkit::ScrollBar scrollBar = Toolkit::ScrollBar::DownCast( Dali::BaseHandle( object ) );
661 ScrollBar& scrollBarImpl( GetImpl( scrollBar ) );
664 case Toolkit::ScrollBar::Property::SCROLL_DIRECTION:
666 scrollBarImpl.OnScrollDirectionPropertySet( value );
669 case Toolkit::ScrollBar::Property::INDICATOR_HEIGHT_POLICY:
671 scrollBarImpl.OnIndicatorHeightPolicyPropertySet( value );
674 case Toolkit::ScrollBar::Property::INDICATOR_FIXED_HEIGHT:
676 scrollBarImpl.SetIndicatorFixedHeight(value.Get<float>());
679 case Toolkit::ScrollBar::Property::INDICATOR_SHOW_DURATION:
681 scrollBarImpl.SetIndicatorShowDuration(value.Get<float>());
684 case Toolkit::ScrollBar::Property::INDICATOR_HIDE_DURATION:
686 scrollBarImpl.SetIndicatorHideDuration(value.Get<float>());
689 case Toolkit::ScrollBar::Property::SCROLL_POSITION_INTERVALS:
691 Property::Array* array = value.GetArray();
694 Dali::Vector<float> positions;
695 size_t positionCount = array->Count();
696 positions.Resize( positionCount );
697 for( size_t i = 0; i != positionCount; ++i )
699 array->GetElementAt( i ).Get( positions[i] );
702 scrollBarImpl.SetScrollPositionIntervals(positions);
706 case Toolkit::ScrollBar::Property::INDICATOR_MINIMUM_HEIGHT:
708 scrollBarImpl.mIndicatorMinimumHeight = value.Get<float>();
709 scrollBarImpl.ApplyConstraints();
712 case Toolkit::ScrollBar::Property::INDICATOR_START_PADDING:
714 scrollBarImpl.mIndicatorStartPadding = value.Get<float>();
715 scrollBarImpl.ApplyConstraints();
718 case Toolkit::ScrollBar::Property::INDICATOR_END_PADDING:
720 scrollBarImpl.mIndicatorEndPadding = value.Get<float>();
721 scrollBarImpl.ApplyConstraints();
724 case Toolkit::ScrollBar::Property::INDICATOR_TRANSIENT_DURATION:
726 scrollBarImpl.mTransientIndicatorDuration = value.Get<float>();
733 Property::Value ScrollBar::GetProperty( BaseObject* object, Property::Index index )
735 Property::Value value;
737 Toolkit::ScrollBar scrollBar = Toolkit::ScrollBar::DownCast( Dali::BaseHandle( object ) );
741 ScrollBar& scrollBarImpl( GetImpl( scrollBar ) );
744 case Toolkit::ScrollBar::Property::SCROLL_DIRECTION:
746 value = SCROLL_DIRECTION_NAME[ scrollBarImpl.GetScrollDirection() ];
749 case Toolkit::ScrollBar::Property::INDICATOR_HEIGHT_POLICY:
751 value = INDICATOR_HEIGHT_POLICY_NAME[ scrollBarImpl.GetIndicatorHeightPolicy() ];
754 case Toolkit::ScrollBar::Property::INDICATOR_FIXED_HEIGHT:
756 value = scrollBarImpl.GetIndicatorFixedHeight();
759 case Toolkit::ScrollBar::Property::INDICATOR_SHOW_DURATION:
761 value = scrollBarImpl.GetIndicatorShowDuration();
764 case Toolkit::ScrollBar::Property::INDICATOR_HIDE_DURATION:
766 value = scrollBarImpl.GetIndicatorHideDuration();
769 case Toolkit::ScrollBar::Property::SCROLL_POSITION_INTERVALS:
771 Property::Value tempValue( Property::ARRAY );
772 Property::Array* array = tempValue.GetArray();
776 Dali::Vector<float> positions = scrollBarImpl.GetScrollPositionIntervals();
777 size_t positionCount( positions.Count() );
779 for( size_t i( 0 ); i != positionCount; ++i )
781 array->PushBack( positions[i] );
788 case Toolkit::ScrollBar::Property::INDICATOR_MINIMUM_HEIGHT:
790 value = scrollBarImpl.mIndicatorMinimumHeight;
793 case Toolkit::ScrollBar::Property::INDICATOR_START_PADDING:
795 value = scrollBarImpl.mIndicatorStartPadding;
798 case Toolkit::ScrollBar::Property::INDICATOR_END_PADDING:
800 value = scrollBarImpl.mIndicatorEndPadding;
803 case Toolkit::ScrollBar::Property::INDICATOR_TRANSIENT_DURATION:
805 value = scrollBarImpl.mTransientIndicatorDuration;
813 bool ScrollBar::DoAction( BaseObject* object, const std::string& actionName, const Property::Map& attributes )
817 Dali::BaseHandle handle( object );
819 Toolkit::ScrollBar scrollBar = Toolkit::ScrollBar::DownCast( handle );
821 DALI_ASSERT_DEBUG( scrollBar );
825 if( 0 == strcmp( actionName.c_str(), ACTION_SHOW_INDICATOR ) )
827 GetImpl( scrollBar ).ShowIndicator();
830 else if( 0 == strcmp( actionName.c_str(), ACTION_HIDE_INDICATOR ) )
832 GetImpl( scrollBar ).HideIndicator();
835 else if( 0 == strcmp( actionName.c_str(), ACTION_SHOW_TRANSIENT_INDICATOR ) )
837 GetImpl( scrollBar ).ShowTransientIndicator();
845 Toolkit::ScrollBar ScrollBar::New(Toolkit::ScrollBar::Direction direction)
847 // Create the implementation, temporarily owned by this handle on stack
848 IntrusivePtr< ScrollBar > impl = new ScrollBar(direction);
850 // Pass ownership to CustomActor handle
851 Toolkit::ScrollBar handle( *impl );
853 // Second-phase init of the implementation
854 // This can only be done after the CustomActor connection has been made...
860 } // namespace Internal
862 } // namespace Toolkit