X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fcontrols%2Fscroll-bar%2Fscroll-bar-impl.cpp;h=f1573b6084c90caa72e1bda4b76185afc7f146cf;hp=21582a08232322ef94f51f54dead594921a6ff54;hb=005f449f3648e36e0cc997735b58b0ebb7a6390b;hpb=75034433e28c31e99ce28a2013c3967a7e165bf1 diff --git a/dali-toolkit/internal/controls/scroll-bar/scroll-bar-impl.cpp b/dali-toolkit/internal/controls/scroll-bar/scroll-bar-impl.cpp index 21582a0..f1573b6 100755 --- a/dali-toolkit/internal/controls/scroll-bar/scroll-bar-impl.cpp +++ b/dali-toolkit/internal/controls/scroll-bar/scroll-bar-impl.cpp @@ -1,20 +1,33 @@ -// -// Copyright (c) 2014 Samsung Electronics Co., Ltd. -// -// Licensed under the Flora License, Version 1.0 (the License); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://floralicense.org/license/ -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an AS IS BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. -// +/* + * Copyright (c) 2014 Samsung Electronics Co., Ltd. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ +// CLASS HEADER #include + +// EXTERNAL INCLUDES +#include // for strcmp +#include +#include +#include +#include +#include +#include + +// INTERNAL INCLUDES #include using namespace Dali; @@ -23,11 +36,13 @@ namespace { const char* DEFAULT_INDICATOR_IMAGE_PATH = DALI_IMAGE_DIR "popup_scroll.png"; -const Vector4 DEFAULT_INDICATOR_NINE_PATCH_BORDER(0.0f, 12.0f, 14.0f, 14.0f); +const Vector4 DEFAULT_INDICATOR_NINE_PATCH_BORDER(4.0f, 9.0f, 7.0f, 11.0f); +const float MINIMUM_INDICATOR_HEIGHT(20.0f); // The minimum indicator height for the nine patch border const float DEFAULT_SLIDER_DEPTH(1.0f); -const float INDICATOR_SHOW_TIME(0.5f); -const float INDICATOR_HIDE_TIME(0.5f); +const float DEFAULT_INDICATOR_SHOW_DURATION(0.5f); +const float DEFAULT_INDICATOR_HIDE_DURATION(0.5f); const float DEFAULT_PAN_GESTURE_PROCESS_TIME(16.7f); // 16.7 milliseconds, i.e. one frame +const float DEFAULT_INDICATOR_FIXED_HEIGHT(80.0f); /** * Indicator size constraint @@ -35,11 +50,7 @@ const float DEFAULT_PAN_GESTURE_PROCESS_TIME(16.7f); // 16.7 milliseconds, i.e. */ struct IndicatorSizeConstraint { - /** - * @param[in] contentSize The size of scrollable content - */ - IndicatorSizeConstraint(float contentSize) - : mContentSize(contentSize) + IndicatorSizeConstraint() { } @@ -49,15 +60,17 @@ struct IndicatorSizeConstraint * @param[in] parentSizeProperty The parent size of scroll indicator. * @return The new scroll indicator size. */ - Vector3 operator()(const Vector3& current, - const PropertyInput& parentSizeProperty) + void operator()(Vector3& current, const PropertyInputContainer& inputs ) { - const Vector3& parentSize = parentSizeProperty.GetVector3(); - float height = mContentSize > parentSize.height ? parentSize.height * ( parentSize.height / mContentSize ) : parentSize.height * ( (parentSize.height - mContentSize * 0.5f) / parentSize.height); - return Vector3( parentSize.width, height, parentSize.depth ); - } + const Vector3& parentSize = inputs[0]->GetVector3(); + const float contentSize = inputs[1]->GetFloat(); + + float height = contentSize > parentSize.height ? + parentSize.height * ( parentSize.height / contentSize ) : + parentSize.height * ( (parentSize.height - contentSize * 0.5f) / parentSize.height); - float mContentSize; ///< The size of scrollable content + current.y = std::max(MINIMUM_INDICATOR_HEIGHT, height); + } }; /** @@ -70,36 +83,28 @@ struct IndicatorPositionConstraint * @param[in] minPosition The minimum limit of scroll position * @param[in] maxPosition the maximum limit of scroll position */ - IndicatorPositionConstraint(float minPosition, float maxPosition) - : mMinPosition(minPosition), - mMaxPosition(maxPosition) + IndicatorPositionConstraint() { } /** * Constraint operator - * @param[in] current The current indicator position - * @param[in] indicatorSizeProperty The size of indicator. - * @param[in] parentSizeProperty The parent size of indicator. - * @param[in] scrollPositionProperty The scroll position of the scrollable container // (from 0.0 -> 1.0 in each axis) + * @param[in,out] current The current indicator position + * @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) * @return The new indicator position is returned. */ - Vector3 operator()(const Vector3& current, - const PropertyInput& indicatorSizeProperty, - const PropertyInput& parentSizeProperty, - const PropertyInput& scrollPositionProperty) + void operator()( Vector3& current, const PropertyInputContainer& inputs ) { - Vector3 indicatorSize = indicatorSizeProperty.GetVector3(); - Vector3 parentSize = parentSizeProperty.GetVector3(); - float scrollPosition = scrollPositionProperty.GetFloat(); - - const float domainSize = fabs(mMaxPosition - mMinPosition); - float relativePosition = (mMaxPosition - scrollPosition) / domainSize; - return Vector3(current.x, relativePosition * (parentSize.height - indicatorSize.height), DEFAULT_SLIDER_DEPTH); + const Vector3& indicatorSize = inputs[0]->GetVector3(); + const Vector3& parentSize = inputs[1]->GetVector3(); + const float scrollPosition = -inputs[2]->GetFloat(); + const float minScrollPosition = inputs[3]->GetFloat(); + const float maxScrollPosition = inputs[4]->GetFloat(); + + float relativePosition = std::max( 0.0f, std::min( 1.0f, (scrollPosition - minScrollPosition) / (maxScrollPosition - minScrollPosition) ) ); + current.y = ( parentSize.height - indicatorSize.height ) * relativePosition; + current.z = DEFAULT_SLIDER_DEPTH; } - - float mMinPosition; ///< The minimum scroll position - float mMaxPosition; ///< The maximum scroll position }; } // unnamed namespace @@ -120,17 +125,44 @@ using namespace Dali; BaseHandle Create() { - return BaseHandle(); + return Toolkit::ScrollBar::New(); } -TypeRegistration mType( typeid(Toolkit::ScrollBar), typeid(Toolkit::Control), Create ); +// Setup properties, signals and actions using the type-registry. +DALI_TYPE_REGISTRATION_BEGIN( Toolkit::ScrollBar, Toolkit::Control, Create ); + +DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "scroll-direction", STRING, SCROLL_DIRECTION ) +DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicator-height-policy", STRING, INDICATOR_HEIGHT_POLICY ) +DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicator-fixed-height", FLOAT, INDICATOR_FIXED_HEIGHT ) +DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicator-show-duration", FLOAT, INDICATOR_SHOW_DURATION ) +DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicator-hide-duration", FLOAT, INDICATOR_HIDE_DURATION ) +DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "scroll-position-intervals", ARRAY, SCROLL_POSITION_INTERVALS ) + +DALI_SIGNAL_REGISTRATION( Toolkit, ScrollBar, "pan-finished", PAN_FINISHED_SIGNAL ) +DALI_SIGNAL_REGISTRATION( Toolkit, ScrollBar, "scroll-position-interval-reached", SCROLL_POSITION_INTERVAL_REACHED_SIGNAL ) + +DALI_TYPE_REGISTRATION_END() + +const char* SCROLL_DIRECTION_NAME[] = {"Vertical", "Horizontal"}; +const char* INDICATOR_HEIGHT_POLICY_NAME[] = {"Variable", "Fixed"}; } -ScrollBar::ScrollBar() -: mScrollStart(0.0f), +ScrollBar::ScrollBar(Toolkit::ScrollBar::Direction direction) +: Control( ControlBehaviour( REQUIRES_TOUCH_EVENTS | REQUIRES_STYLE_CHANGE_SIGNALS ) ), + mDirection(direction), + mScrollableObject(Handle()), + mPropertyScrollPosition(Property::INVALID_INDEX), + mPropertyMinScrollPosition(Property::INVALID_INDEX), + mPropertyMaxScrollPosition(Property::INVALID_INDEX), + mPropertyScrollContentSize(Property::INVALID_INDEX), + mIndicatorShowDuration(DEFAULT_INDICATOR_SHOW_DURATION), + mIndicatorHideDuration(DEFAULT_INDICATOR_HIDE_DURATION), + mScrollStart(0.0f), mIsPanning(false), - mCurrentScrollPosition(0.0f) + mCurrentScrollPosition(0.0f), + mIndicatorHeightPolicy(Toolkit::ScrollBar::Variable), + mIndicatorFixedHeight(DEFAULT_INDICATOR_FIXED_HEIGHT) { } @@ -140,63 +172,77 @@ ScrollBar::~ScrollBar() void ScrollBar::OnInitialize() { - Actor self = Self(); - - Image indicatorImage = Image::New( DEFAULT_INDICATOR_IMAGE_PATH ); - mIndicator = ImageActor::New( indicatorImage ); - mIndicator.SetNinePatchBorder( DEFAULT_INDICATOR_NINE_PATCH_BORDER ); - mIndicator.SetStyle( ImageActor::STYLE_NINE_PATCH ); - mIndicator.SetParentOrigin( ParentOrigin::TOP_LEFT ); - mIndicator.SetAnchorPoint( AnchorPoint::TOP_LEFT ); - self.Add(mIndicator); - - self.SetDrawMode(DrawMode::OVERLAY); - - // Enable the pan gesture which is attached to the control - EnableGestureDetection(Gesture::Type(Gesture::Pan)); + CreateDefaultIndicatorActor(); } -void ScrollBar::OnScrollConnectorSet( Toolkit::ScrollConnector oldConnector ) +void ScrollBar::SetScrollPropertySource( Handle handle, Property::Index propertyScrollPosition, Property::Index propertyMinScrollPosition, Property::Index propertyMaxScrollPosition, Property::Index propertyScrollContentSize ) { - if( oldConnector ) + if( handle + && propertyScrollPosition != Property::INVALID_INDEX + && propertyMinScrollPosition != Property::INVALID_INDEX + && propertyMaxScrollPosition != Property::INVALID_INDEX + && propertyScrollContentSize != Property::INVALID_INDEX ) { - oldConnector.DomainChangedSignal().Disconnect(this, &ScrollBar::OnScrollDomainChanged); + mScrollableObject = handle; + mPropertyScrollPosition = propertyScrollPosition; + mPropertyMinScrollPosition = propertyMinScrollPosition; + mPropertyMaxScrollPosition = propertyMaxScrollPosition; + mPropertyScrollContentSize = propertyScrollContentSize; - mScrollPositionObject.Reset(); + ApplyConstraints(); } - - if( mScrollConnector ) + else { - mScrollPositionObject = mScrollConnector.GetScrollPositionObject(); - - ApplyConstraints(); - mScrollConnector.DomainChangedSignal().Connect(this, &ScrollBar::OnScrollDomainChanged); + DALI_LOG_ERROR("Can not set empty handle of source object or invalid source property index\n"); } } -void ScrollBar::SetBackgroundImage( Image image, const Vector4& border ) +void ScrollBar::CreateDefaultIndicatorActor() +{ + Image indicatorImage = ResourceImage::New( DEFAULT_INDICATOR_IMAGE_PATH ); + ImageActor indicator = ImageActor::New( indicatorImage ); + indicator.SetNinePatchBorder( DEFAULT_INDICATOR_NINE_PATCH_BORDER ); + indicator.SetStyle( ImageActor::STYLE_NINE_PATCH ); + indicator.SetParentOrigin( ParentOrigin::TOP_LEFT ); + indicator.SetAnchorPoint( AnchorPoint::TOP_LEFT ); + + SetScrollIndicator(indicator); +} + +void ScrollBar::SetScrollIndicator( Actor indicator ) { - if (!mBackground ) + // Don't allow empty handle + if( indicator ) { - mBackground = ImageActor::New( image ); - mBackground.SetParentOrigin( ParentOrigin::TOP_LEFT ); - mBackground.SetAnchorPoint( AnchorPoint::TOP_LEFT ); - Self().Add(mBackground); + mIndicator = indicator; + + Actor self = Self(); + self.Add(mIndicator); + self.SetDrawMode(DrawMode::OVERLAY); + + if( !mPanGestureDetector ) + { + mPanGestureDetector = PanGestureDetector::New(); + mPanGestureDetector.DetectedSignal().Connect(this, &ScrollBar::OnPan); + } + + mPanGestureDetector.DetachAll(); + mPanGestureDetector.Attach( mIndicator ); + + unsigned int childCount = mIndicator.GetChildCount(); + for ( unsigned int index = 0; index < childCount; index++ ) + { + Actor child = mIndicator.GetChildAt( index ); + if ( child ) + { + mPanGestureDetector.Attach( child ); + } + } } else { - mBackground.SetImage(image); + DALI_LOG_ERROR("Empty handle of scroll indicator\n"); } - - mBackground.SetNinePatchBorder( border ); - mBackground.SetStyle( ImageActor::STYLE_NINE_PATCH ); -} - -void ScrollBar::SetIndicatorImage( Image image, const Vector4& border ) -{ - mIndicator.SetImage(image); - mIndicator.SetNinePatchBorder( border ); - mIndicator.SetStyle( ImageActor::STYLE_NINE_PATCH ); } Actor ScrollBar::GetScrollIndicator() @@ -206,51 +252,72 @@ Actor ScrollBar::GetScrollIndicator() void ScrollBar::ApplyConstraints() { - mIndicator.RemoveConstraints(); - - Constraint constraint = Constraint::New( Actor::SIZE, - ParentSource( Actor::SIZE ), - IndicatorSizeConstraint( mScrollConnector.GetContentLength() ) ); - mIndicator.ApplyConstraint( constraint ); + if( mScrollableObject ) + { + if(mIndicatorSizeConstraint) + { + mIndicatorSizeConstraint.Remove(); + } - constraint = Constraint::New( Actor::POSITION, - LocalSource( Actor::SIZE ), - ParentSource( Actor::SIZE ), - Source( mScrollPositionObject, Toolkit::ScrollConnector::SCROLL_POSITION ), - IndicatorPositionConstraint( mScrollConnector.GetMinLimit(), mScrollConnector.GetMaxLimit() ) ); - mIndicator.ApplyConstraint( constraint ); + // Set indicator height according to the indicator's height policy + if(mIndicatorHeightPolicy == Toolkit::ScrollBar::Fixed) + { + mIndicator.SetSize(Self().GetCurrentSize().width, mIndicatorFixedHeight); + } + else + { + mIndicatorSizeConstraint = Constraint::New( mIndicator, Actor::Property::SIZE, IndicatorSizeConstraint() ); + mIndicatorSizeConstraint.AddSource( ParentSource( Actor::Property::SIZE ) ); + mIndicatorSizeConstraint.AddSource( Source( mScrollableObject, mPropertyScrollContentSize ) ); + mIndicatorSizeConstraint.Apply(); + } - if( mBackground ) - { - mBackground.RemoveConstraints(); + if(mIndicatorPositionConstraint) + { + mIndicatorPositionConstraint.Remove(); + } - constraint = Constraint::New(Actor::SIZE, - ParentSource(Actor::SIZE), - EqualToConstraint()); - mBackground.ApplyConstraint(constraint); + mIndicatorPositionConstraint = Constraint::New( mIndicator, Actor::Property::POSITION, IndicatorPositionConstraint() ); + mIndicatorPositionConstraint.AddSource( LocalSource( Actor::Property::SIZE ) ); + mIndicatorPositionConstraint.AddSource( ParentSource( Actor::Property::SIZE ) ); + mIndicatorPositionConstraint.AddSource( Source( mScrollableObject, mPropertyScrollPosition ) ); + mIndicatorPositionConstraint.AddSource( Source( mScrollableObject, mPropertyMinScrollPosition ) ); + mIndicatorPositionConstraint.AddSource( Source( mScrollableObject, mPropertyMaxScrollPosition ) ); + mIndicatorPositionConstraint.Apply(); } } -void ScrollBar::SetPositionNotifications( const std::vector& positions ) +void ScrollBar::SetScrollPositionIntervals( const Dali::Vector& positions ) { - if(mScrollPositionObject) + mScrollPositionIntervals = positions; + + if( mScrollableObject ) { - if(mPositionNotification) + if( mPositionNotification ) { - mScrollPositionObject.RemovePropertyNotification(mPositionNotification); + mScrollableObject.RemovePropertyNotification(mPositionNotification); } - mPositionNotification = mScrollPositionObject.AddPropertyNotification( Toolkit::ScrollConnector::SCROLL_POSITION, VariableStepCondition(positions) ); - mPositionNotification.NotifySignal().Connect( this, &ScrollBar::OnScrollPositionNotified ); + + mPositionNotification = mScrollableObject.AddPropertyNotification( mPropertyScrollPosition, VariableStepCondition(mScrollPositionIntervals) ); + mPositionNotification.NotifySignal().Connect( this, &ScrollBar::OnScrollPositionIntervalReached ); } } -void ScrollBar::OnScrollPositionNotified(PropertyNotification& source) +Dali::Vector ScrollBar::GetScrollPositionIntervals() const +{ + return mScrollPositionIntervals; +} + +void ScrollBar::OnScrollPositionIntervalReached(PropertyNotification& source) { // Emit the signal to notify the scroll position crossing - mScrollPositionNotifiedSignal.Emit(mScrollPositionObject.GetProperty( Toolkit::ScrollConnector::SCROLL_POSITION )); + if(mScrollableObject) + { + mScrollPositionIntervalReachedSignal.Emit(mScrollableObject.GetProperty(mPropertyScrollPosition)); + } } -void ScrollBar::Show() +void ScrollBar::ShowIndicator() { // Cancel any animation if(mAnimation) @@ -259,12 +326,19 @@ void ScrollBar::Show() mAnimation.Reset(); } - mAnimation = Animation::New( INDICATOR_SHOW_TIME ); - mAnimation.OpacityTo( Self(), 1.0f, AlphaFunctions::EaseIn ); - mAnimation.Play(); + if(mIndicatorShowDuration > 0.0f) + { + mAnimation = Animation::New( mIndicatorShowDuration ); + mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ), 1.0f, AlphaFunction::EASE_IN ); + mAnimation.Play(); + } + else + { + mIndicator.SetOpacity(1.0f); + } } -void ScrollBar::Hide() +void ScrollBar::HideIndicator() { // Cancel any animation if(mAnimation) @@ -273,44 +347,49 @@ void ScrollBar::Hide() mAnimation.Reset(); } - mAnimation = Animation::New( INDICATOR_HIDE_TIME ); - mAnimation.OpacityTo( Self(), 0.0f, AlphaFunctions::EaseIn ); - mAnimation.Play(); + if(mIndicatorHideDuration > 0.0f) + { + mAnimation = Animation::New( mIndicatorHideDuration ); + mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ), 0.0f, AlphaFunction::EASE_IN ); + mAnimation.Play(); + } + else + { + mIndicator.SetOpacity(0.0f); + } } bool ScrollBar::OnPanGestureProcessTick() { // Update the scroll position property. - mScrollPositionObject.SetProperty( Toolkit::ScrollConnector::SCROLL_POSITION, mCurrentScrollPosition ); - - Dali::Toolkit::ItemView itemView = Dali::Toolkit::ItemView::DownCast(Self().GetParent()); - if(itemView) + if( mScrollableObject ) { - // Refresh ItemView immediately when the scroll position is changed. - GetImpl(itemView).DoRefresh(mCurrentScrollPosition, false); // No need to cache extra items. + mScrollableObject.SetProperty(mPropertyScrollPosition, mCurrentScrollPosition); } return true; } -void ScrollBar::OnPan( PanGesture gesture ) +void ScrollBar::OnPan( Actor source, const PanGesture& gesture ) { - if(mScrollPositionObject) + if(mScrollableObject) { + Dali::Toolkit::ItemView itemView = Dali::Toolkit::ItemView::DownCast(mScrollableObject); + switch(gesture.state) { case Gesture::Started: { - if( !mTimer ) + if( !mPanProcessTimer ) { // Make sure the pan gesture is only being processed once per frame. - mTimer = Timer::New( DEFAULT_PAN_GESTURE_PROCESS_TIME ); - mTimer.TickSignal().Connect( this, &ScrollBar::OnPanGestureProcessTick ); - mTimer.Start(); + mPanProcessTimer = Timer::New( DEFAULT_PAN_GESTURE_PROCESS_TIME ); + mPanProcessTimer.TickSignal().Connect( this, &ScrollBar::OnPanGestureProcessTick ); + mPanProcessTimer.Start(); } - Show(); - mScrollStart = mScrollPositionObject.GetProperty( Toolkit::ScrollConnector::SCROLL_POSITION ); + ShowIndicator(); + mScrollStart = mScrollableObject.GetProperty(mPropertyScrollPosition); mGestureDisplacement = Vector3::ZERO; mIsPanning = true; @@ -322,9 +401,12 @@ void ScrollBar::OnPan( PanGesture gesture ) mGestureDisplacement+=delta; Vector3 span = Self().GetCurrentSize() - mIndicator.GetCurrentSize(); - const float domainSize = fabs(mScrollConnector.GetMaxLimit() - mScrollConnector.GetMinLimit()); + float minScrollPosition = mScrollableObject.GetProperty(mPropertyMinScrollPosition); + float maxScrollPosition = mScrollableObject.GetProperty(mPropertyMaxScrollPosition); + float domainSize = maxScrollPosition - minScrollPosition; + mCurrentScrollPosition = mScrollStart - mGestureDisplacement.y * domainSize / span.y; - mCurrentScrollPosition = std::min(mScrollConnector.GetMaxLimit(), std::max(mCurrentScrollPosition, mScrollConnector.GetMinLimit())); + mCurrentScrollPosition = 0.0f - std::min(maxScrollPosition, std::max(-mCurrentScrollPosition, minScrollPosition)); break; } @@ -332,37 +414,264 @@ void ScrollBar::OnPan( PanGesture gesture ) { mIsPanning = false; - if( mTimer ) + if( mPanProcessTimer ) { // Destroy the timer when pan gesture is finished. - mTimer.Stop(); - mTimer.TickSignal().Disconnect( this, &ScrollBar::OnPanGestureProcessTick ); - mTimer.Reset(); + mPanProcessTimer.Stop(); + mPanProcessTimer.TickSignal().Disconnect( this, &ScrollBar::OnPanGestureProcessTick ); + mPanProcessTimer.Reset(); } + if(itemView) + { + // Refresh the ItemView cache with extra items + GetImpl(itemView).DoRefresh(mCurrentScrollPosition, true); + } + + mPanFinishedSignal.Emit(); + break; } } - Dali::Toolkit::ItemView itemView = Dali::Toolkit::ItemView::DownCast(Self().GetParent()); if(itemView) { // Disable automatic refresh in ItemView during fast scrolling - GetImpl(itemView).SetRefreshEnabled(!mIsPanning); + GetImpl(itemView).SetRefreshEnabled(true);//!mIsPanning); } } } -void ScrollBar::OnScrollDomainChanged(float minPosition, float maxPosition, float contentSize) +void ScrollBar::OnControlSizeSet( const Vector3& size ) +{ + if(mIndicatorHeightPolicy == Toolkit::ScrollBar::Fixed) + { + mIndicator.SetSize(Self().GetCurrentSize().width, mIndicatorFixedHeight); + } +} + +void ScrollBar::SetScrollDirection( Toolkit::ScrollBar::Direction direction ) { - // Reapply constraints when the scroll domain is changed + mDirection = direction; +} + +Toolkit::ScrollBar::Direction ScrollBar::GetScrollDirection() const +{ + return mDirection; +} + +void ScrollBar::SetIndicatorHeightPolicy( Toolkit::ScrollBar::IndicatorHeightPolicy policy ) +{ + mIndicatorHeightPolicy = policy; ApplyConstraints(); } -Toolkit::ScrollBar ScrollBar::New() +Toolkit::ScrollBar::IndicatorHeightPolicy ScrollBar::GetIndicatorHeightPolicy() const +{ + return mIndicatorHeightPolicy; +} + +void ScrollBar::SetIndicatorFixedHeight( float height ) +{ + mIndicatorFixedHeight = height; + + if(mIndicatorHeightPolicy == Toolkit::ScrollBar::Fixed) + { + mIndicator.SetSize(Self().GetCurrentSize().width, mIndicatorFixedHeight); + } +} + +float ScrollBar::GetIndicatorFixedHeight() const +{ + return mIndicatorFixedHeight; +} + +void ScrollBar::SetIndicatorShowDuration( float durationSeconds ) +{ + mIndicatorShowDuration = durationSeconds; +} + +float ScrollBar::GetIndicatorShowDuration() const +{ + return mIndicatorShowDuration; +} + +void ScrollBar::SetIndicatorHideDuration( float durationSeconds ) +{ + mIndicatorHideDuration = durationSeconds; +} + +float ScrollBar::GetIndicatorHideDuration() const +{ + return mIndicatorHideDuration; +} + +void ScrollBar::OnScrollDirectionPropertySet( Property::Value propertyValue ) +{ + std::string directionName( propertyValue.Get() ); + if(directionName == "Vertical") + { + SetScrollDirection(Toolkit::ScrollBar::Vertical); + } + else if(directionName == "Horizontal") + { + SetScrollDirection(Toolkit::ScrollBar::Horizontal); + } + else + { + DALI_ASSERT_ALWAYS( !"ScrollBar::OnScrollDirectionPropertySet(). Invalid Property value." ); + } +} + +void ScrollBar::OnIndicatorHeightPolicyPropertySet( Property::Value propertyValue ) +{ + std::string policyName( propertyValue.Get() ); + if(policyName == "Variable") + { + SetIndicatorHeightPolicy(Toolkit::ScrollBar::Variable); + } + else if(policyName == "Fixed") + { + SetIndicatorHeightPolicy(Toolkit::ScrollBar::Fixed); + } + else + { + DALI_ASSERT_ALWAYS( !"ScrollBar::OnIndicatorHeightPolicyPropertySet(). Invalid Property value." ); + } +} + +bool ScrollBar::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor ) +{ + Dali::BaseHandle handle( object ); + + bool connected( true ); + Toolkit::ScrollBar scrollBar = Toolkit::ScrollBar::DownCast( handle ); + + if( 0 == strcmp( signalName.c_str(), PAN_FINISHED_SIGNAL ) ) + { + scrollBar.PanFinishedSignal().Connect( tracker, functor ); + } + else if( 0 == strcmp( signalName.c_str(), SCROLL_POSITION_INTERVAL_REACHED_SIGNAL ) ) + { + scrollBar.ScrollPositionIntervalReachedSignal().Connect( tracker, functor ); + } + else + { + // signalName does not match any signal + connected = false; + } + + return connected; +} + +void ScrollBar::SetProperty( BaseObject* object, Property::Index index, const Property::Value& value ) +{ + Toolkit::ScrollBar scrollBar = Toolkit::ScrollBar::DownCast( Dali::BaseHandle( object ) ); + + if( scrollBar ) + { + ScrollBar& scrollBarImpl( GetImpl( scrollBar ) ); + switch( index ) + { + case Toolkit::ScrollBar::Property::SCROLL_DIRECTION: + { + scrollBarImpl.OnScrollDirectionPropertySet( value ); + break; + } + case Toolkit::ScrollBar::Property::INDICATOR_HEIGHT_POLICY: + { + scrollBarImpl.OnIndicatorHeightPolicyPropertySet( value ); + break; + } + case Toolkit::ScrollBar::Property::INDICATOR_FIXED_HEIGHT: + { + scrollBarImpl.SetIndicatorFixedHeight(value.Get()); + break; + } + case Toolkit::ScrollBar::Property::INDICATOR_SHOW_DURATION: + { + scrollBarImpl.SetIndicatorShowDuration(value.Get()); + break; + } + case Toolkit::ScrollBar::Property::INDICATOR_HIDE_DURATION: + { + scrollBarImpl.SetIndicatorHideDuration(value.Get()); + break; + } + case Toolkit::ScrollBar::Property::SCROLL_POSITION_INTERVALS: + { + Dali::Vector positions; + size_t positionCount = value.GetSize(); + positions.Resize( positionCount ); + + for( size_t i = 0; i != positionCount; ++i ) + { + value.GetItem(i).Get( positions[i] ); + } + + scrollBarImpl.SetScrollPositionIntervals(positions); + break; + } + } + } +} + +Property::Value ScrollBar::GetProperty( BaseObject* object, Property::Index index ) +{ + Property::Value value; + + Toolkit::ScrollBar scrollBar = Toolkit::ScrollBar::DownCast( Dali::BaseHandle( object ) ); + + if( scrollBar ) + { + ScrollBar& scrollBarImpl( GetImpl( scrollBar ) ); + switch( index ) + { + case Toolkit::ScrollBar::Property::SCROLL_DIRECTION: + { + value = SCROLL_DIRECTION_NAME[ scrollBarImpl.GetScrollDirection() ]; + break; + } + case Toolkit::ScrollBar::Property::INDICATOR_HEIGHT_POLICY: + { + value = INDICATOR_HEIGHT_POLICY_NAME[ scrollBarImpl.GetIndicatorHeightPolicy() ]; + break; + } + case Toolkit::ScrollBar::Property::INDICATOR_FIXED_HEIGHT: + { + value = scrollBarImpl.GetIndicatorFixedHeight(); + break; + } + case Toolkit::ScrollBar::Property::INDICATOR_SHOW_DURATION: + { + value = scrollBarImpl.GetIndicatorShowDuration(); + break; + } + case Toolkit::ScrollBar::Property::INDICATOR_HIDE_DURATION: + { + value = scrollBarImpl.GetIndicatorHideDuration(); + break; + } + case Toolkit::ScrollBar::Property::SCROLL_POSITION_INTERVALS: + { + Property::Value value; + Dali::Vector positions = scrollBarImpl.GetScrollPositionIntervals(); + size_t positionCount( positions.Size() ); + for( size_t i( 0 ); i != positionCount; ++i ) + { + value.AppendItem( positions[i] ); + } + break; + } + } + } + return value; +} + +Toolkit::ScrollBar ScrollBar::New(Toolkit::ScrollBar::Direction direction) { // Create the implementation, temporarily owned by this handle on stack - IntrusivePtr< ScrollBar > impl = new ScrollBar(); + IntrusivePtr< ScrollBar > impl = new ScrollBar(direction); // Pass ownership to CustomActor handle Toolkit::ScrollBar handle( *impl );