-//
-// 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) 2016 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 <dali-toolkit/internal/controls/scroll-bar/scroll-bar-impl.h>
+
+// EXTERNAL INCLUDES
+#include <cstring> // for strcmp
+#include <dali/public-api/animation/constraint.h>
+#include <dali/public-api/animation/constraints.h>
+#include <dali/public-api/images/resource-image.h>
+#include <dali/public-api/object/type-registry.h>
+#include <dali/public-api/object/property-array.h>
+#include <dali/public-api/object/type-registry-helper.h>
+#include <dali/integration-api/debug.h>
+
+// INTERNAL INCLUDES
#include <dali-toolkit/internal/controls/scrollable/item-view/item-view-impl.h>
+#include <dali-toolkit/public-api/controls/image-view/image-view.h>
using namespace Dali;
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 char* DEFAULT_INDICATOR_IMAGE_PATH = DALI_IMAGE_DIR "popup_scroll.9.png";
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);
+const float DEFAULT_INDICATOR_MINIMUM_HEIGHT(0.0f);
+const float DEFAULT_INDICATOR_START_PADDING(0.0f);
+const float DEFAULT_INDICATOR_END_PADDING(0.0f);
/**
* Indicator size constraint
struct IndicatorSizeConstraint
{
/**
- * @param[in] contentSize The size of scrollable content
+ * @param[in] minimumHeight The minimum height for the indicator
+ * @param[in] padding The sum of the padding at the start & end of the indicator
*/
- IndicatorSizeConstraint(float contentSize)
- : mContentSize(contentSize)
+ IndicatorSizeConstraint( float minimumHeight, float padding )
+ : mMinimumHeight( minimumHeight ),
+ mPadding( padding )
{
}
* @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();
+
+ // Take into account padding that may exist at the beginning and end of the indicator.
+ const float parentHeightMinusPadding = parentSize.height - mPadding;
+
+ float height = contentSize > parentHeightMinusPadding ?
+ parentHeightMinusPadding * ( parentHeightMinusPadding / contentSize ) :
+ parentHeightMinusPadding * ( ( parentHeightMinusPadding - contentSize * 0.5f ) / parentHeightMinusPadding );
+
+ current.y = std::max( mMinimumHeight, height );
}
- float mContentSize; ///< The size of scrollable content
+ float mMinimumHeight;
+ float mPadding;
};
/**
struct IndicatorPositionConstraint
{
/**
- * @param[in] minPosition The minimum limit of scroll position
- * @param[in] maxPosition the maximum limit of scroll position
+ * @param[in] startPadding The padding at the start of the indicator
+ * @param[in] endPadding The padding at the end of the indicator
*/
- IndicatorPositionConstraint(float minPosition, float maxPosition)
- : mMinPosition(minPosition),
- mMaxPosition(maxPosition)
+ IndicatorPositionConstraint( float startPadding, float endPadding )
+ : mStartPadding( startPadding ),
+ mEndPadding( endPadding )
{
}
/**
* 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 minimumScrollPosition = inputs[3]->GetFloat();
+ const float maximumScrollPosition = inputs[4]->GetFloat();
+
+ // Take into account padding that may exist at the beginning and end of the indicator.
+ const float parentHeightMinusPadding = parentSize.height - ( mStartPadding + mEndPadding );
+
+ float relativePosition = std::max( 0.0f, std::min( 1.0f, ( scrollPosition - minimumScrollPosition ) / ( maximumScrollPosition - minimumScrollPosition ) ) );
+ current.y = mStartPadding + ( parentHeightMinusPadding - indicatorSize.height ) * relativePosition;
+ current.z = DEFAULT_SLIDER_DEPTH;
}
- float mMinPosition; ///< The minimum scroll position
- float mMaxPosition; ///< The maximum scroll position
+ float mStartPadding;
+ float mEndPadding;
};
} // unnamed namespace
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, "scrollDirection", STRING, SCROLL_DIRECTION )
+DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorHeightPolicy", STRING, INDICATOR_HEIGHT_POLICY )
+DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorFixedHeight", FLOAT, INDICATOR_FIXED_HEIGHT )
+DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorShowDuration", FLOAT, INDICATOR_SHOW_DURATION )
+DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorHideDuration", FLOAT, INDICATOR_HIDE_DURATION )
+DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "scrollPositionIntervals", ARRAY, SCROLL_POSITION_INTERVALS )
+DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorMinimumHeight", FLOAT, INDICATOR_MINIMUM_HEIGHT )
+DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorStartPadding", FLOAT, INDICATOR_START_PADDING )
+DALI_PROPERTY_REGISTRATION( Toolkit, ScrollBar, "indicatorEndPadding", FLOAT, INDICATOR_END_PADDING )
+
+DALI_SIGNAL_REGISTRATION( Toolkit, ScrollBar, "panFinished", PAN_FINISHED_SIGNAL )
+DALI_SIGNAL_REGISTRATION( Toolkit, ScrollBar, "scrollPositionIntervalReached", 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_STYLE_CHANGE_SIGNALS ) ),
+ mIndicatorShowAlpha(1.0f),
+ mDirection(direction),
+ mScrollableObject(WeakHandleBase()),
+ 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),
+ mCurrentScrollPosition(0.0f),
+ mIndicatorHeightPolicy(Toolkit::ScrollBar::Variable),
+ mIndicatorFixedHeight(DEFAULT_INDICATOR_FIXED_HEIGHT),
+ mIndicatorMinimumHeight(DEFAULT_INDICATOR_MINIMUM_HEIGHT),
+ mIndicatorStartPadding(DEFAULT_INDICATOR_START_PADDING),
+ mIndicatorEndPadding(DEFAULT_INDICATOR_END_PADDING),
mIsPanning(false),
- mCurrentScrollPosition(0.0f)
+ mIndicatorFirstShow(true)
{
}
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();
+ Self().SetDrawMode(DrawMode::OVERLAY_2D);
}
-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 = WeakHandleBase(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()
+{
+ Toolkit::ImageView indicator = Toolkit::ImageView::New( DEFAULT_INDICATOR_IMAGE_PATH );
+ 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);
+ // Remove current Indicator
+ if( mIndicator )
+ {
+ Self().Remove( mIndicator );
+ }
+ mIndicator = indicator;
+ mIndicatorFirstShow = true;
+ Self().Add( mIndicator );
+
+ EnableGestureDetection( Gesture::Type( Gesture::Pan ) );
+
+ PanGestureDetector detector( GetPanGestureDetector() );
+ detector.DetachAll();
+ detector.Attach( mIndicator );
+
+ unsigned int childCount = mIndicator.GetChildCount();
+ for ( unsigned int index = 0; index < childCount; index++ )
+ {
+ Actor child = mIndicator.GetChildAt( index );
+ if ( child )
+ {
+ detector.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()
void ScrollBar::ApplyConstraints()
{
- mIndicator.RemoveConstraints();
+ Handle scrollableHandle = mScrollableObject.GetBaseHandle();
- Constraint constraint = Constraint::New<Vector3>( Actor::SIZE,
- ParentSource( Actor::SIZE ),
- IndicatorSizeConstraint( mScrollConnector.GetContentLength() ) );
- mIndicator.ApplyConstraint( constraint );
+ if( scrollableHandle )
+ {
+ if(mIndicatorSizeConstraint)
+ {
+ mIndicatorSizeConstraint.Remove();
+ }
- constraint = Constraint::New<Vector3>( 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<Vector3>( mIndicator, Actor::Property::SIZE,
+ IndicatorSizeConstraint( mIndicatorMinimumHeight, mIndicatorStartPadding + mIndicatorEndPadding ) );
+ mIndicatorSizeConstraint.AddSource( ParentSource( Actor::Property::SIZE ) );
+ mIndicatorSizeConstraint.AddSource( Source( scrollableHandle, mPropertyScrollContentSize ) );
+ mIndicatorSizeConstraint.Apply();
+ }
- if( mBackground )
- {
- mBackground.RemoveConstraints();
+ if(mIndicatorPositionConstraint)
+ {
+ mIndicatorPositionConstraint.Remove();
+ }
- constraint = Constraint::New<Vector3>(Actor::SIZE,
- ParentSource(Actor::SIZE),
- EqualToConstraint());
- mBackground.ApplyConstraint(constraint);
+ mIndicatorPositionConstraint = Constraint::New<Vector3>( mIndicator, Actor::Property::POSITION,
+ IndicatorPositionConstraint( mIndicatorStartPadding, mIndicatorEndPadding ) );
+ mIndicatorPositionConstraint.AddSource( LocalSource( Actor::Property::SIZE ) );
+ mIndicatorPositionConstraint.AddSource( ParentSource( Actor::Property::SIZE ) );
+ mIndicatorPositionConstraint.AddSource( Source( scrollableHandle, mPropertyScrollPosition ) );
+ mIndicatorPositionConstraint.AddSource( Source( scrollableHandle, mPropertyMinScrollPosition ) );
+ mIndicatorPositionConstraint.AddSource( Source( scrollableHandle, mPropertyMaxScrollPosition ) );
+ mIndicatorPositionConstraint.Apply();
}
}
-void ScrollBar::SetPositionNotifications( const std::vector<float>& positions )
+void ScrollBar::SetScrollPositionIntervals( const Dali::Vector<float>& positions )
{
- if(mScrollPositionObject)
+ mScrollPositionIntervals = positions;
+
+ Handle scrollableHandle = mScrollableObject.GetBaseHandle();
+
+ if( scrollableHandle )
{
- if(mPositionNotification)
+ if( mPositionNotification )
{
- mScrollPositionObject.RemovePropertyNotification(mPositionNotification);
+ scrollableHandle.RemovePropertyNotification(mPositionNotification);
}
- mPositionNotification = mScrollPositionObject.AddPropertyNotification( Toolkit::ScrollConnector::SCROLL_POSITION, VariableStepCondition(positions) );
- mPositionNotification.NotifySignal().Connect( this, &ScrollBar::OnScrollPositionNotified );
+
+ mPositionNotification = scrollableHandle.AddPropertyNotification( mPropertyScrollPosition, VariableStepCondition(mScrollPositionIntervals) );
+ mPositionNotification.NotifySignal().Connect( this, &ScrollBar::OnScrollPositionIntervalReached );
}
}
-void ScrollBar::OnScrollPositionNotified(PropertyNotification& source)
+Dali::Vector<float> ScrollBar::GetScrollPositionIntervals() const
+{
+ return mScrollPositionIntervals;
+}
+
+void ScrollBar::OnScrollPositionIntervalReached(PropertyNotification& source)
{
// Emit the signal to notify the scroll position crossing
- mScrollPositionNotifiedSignal.Emit(mScrollPositionObject.GetProperty<float>( Toolkit::ScrollConnector::SCROLL_POSITION ));
+ Handle scrollableHandle = mScrollableObject.GetBaseHandle();
+ if(scrollableHandle)
+ {
+ mScrollPositionIntervalReachedSignal.Emit(scrollableHandle.GetProperty<float>(mPropertyScrollPosition));
+ }
}
-void ScrollBar::Show()
+void ScrollBar::ShowIndicator()
{
// Cancel any animation
if(mAnimation)
mAnimation.Reset();
}
- mAnimation = Animation::New( INDICATOR_SHOW_TIME );
- mAnimation.OpacityTo( Self(), 1.0f, AlphaFunctions::EaseIn );
- mAnimation.Play();
+ if( mIndicatorFirstShow )
+ {
+ // Preserve the alpha value from the stylesheet
+ mIndicatorShowAlpha = Self().GetCurrentColor().a;
+ mIndicatorFirstShow = false;
+ }
+
+ if(mIndicatorShowDuration > 0.0f)
+ {
+ mAnimation = Animation::New( mIndicatorShowDuration );
+ mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ), mIndicatorShowAlpha, AlphaFunction::EASE_IN );
+ mAnimation.Play();
+ }
+ else
+ {
+ mIndicator.SetOpacity(mIndicatorShowAlpha);
+ }
}
-void ScrollBar::Hide()
+void ScrollBar::HideIndicator()
{
// Cancel any animation
if(mAnimation)
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)
+ Handle scrollableHandle = mScrollableObject.GetBaseHandle();
+ if( scrollableHandle )
{
- // Refresh ItemView immediately when the scroll position is changed.
- GetImpl(itemView).DoRefresh(mCurrentScrollPosition, false); // No need to cache extra items.
+ scrollableHandle.SetProperty(mPropertyScrollPosition, mCurrentScrollPosition);
}
return true;
}
-void ScrollBar::OnPan( PanGesture gesture )
+void ScrollBar::OnPan( const PanGesture& gesture )
{
- if(mScrollPositionObject)
+ Handle scrollableHandle = mScrollableObject.GetBaseHandle();
+
+ if(scrollableHandle)
{
+ Dali::Toolkit::ItemView itemView = Dali::Toolkit::ItemView::DownCast(scrollableHandle);
+
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<float>( Toolkit::ScrollConnector::SCROLL_POSITION );
+ ShowIndicator();
+ mScrollStart = scrollableHandle.GetProperty<float>(mPropertyScrollPosition);
mGestureDisplacement = Vector3::ZERO;
mIsPanning = true;
}
case Gesture::Continuing:
{
- Vector3 delta(gesture.displacement.x, gesture.displacement.y, 0.0f);
- mGestureDisplacement+=delta;
+ mGestureDisplacement.x += gesture.displacement.x;
+ mGestureDisplacement.y += gesture.displacement.y;
+
+ float minScrollPosition = scrollableHandle.GetProperty<float>( mPropertyMinScrollPosition );
+ float maxScrollPosition = scrollableHandle.GetProperty<float>( mPropertyMaxScrollPosition );
- Vector3 span = Self().GetCurrentSize() - mIndicator.GetCurrentSize();
- const float domainSize = fabs(mScrollConnector.GetMaxLimit() - mScrollConnector.GetMinLimit());
- mCurrentScrollPosition = mScrollStart - mGestureDisplacement.y * domainSize / span.y;
- mCurrentScrollPosition = std::min(mScrollConnector.GetMaxLimit(), std::max(mCurrentScrollPosition, mScrollConnector.GetMinLimit()));
+ // The domain size is the internal range
+ float domainSize = maxScrollPosition - minScrollPosition;
+ float logicalSize = Self().GetCurrentSize().y - ( mIndicator.GetCurrentSize().y + mIndicatorStartPadding + mIndicatorEndPadding );
+
+ mCurrentScrollPosition = mScrollStart - ( ( mGestureDisplacement.y * domainSize ) / logicalSize );
+ mCurrentScrollPosition = -std::min( maxScrollPosition, std::max( -mCurrentScrollPosition, minScrollPosition ) );
break;
}
{
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
}
}
-void ScrollBar::OnScrollDomainChanged(float minPosition, float maxPosition, float contentSize)
+void ScrollBar::OnSizeSet( const Vector3& size )
+{
+ if(mIndicatorHeightPolicy == Toolkit::ScrollBar::Fixed)
+ {
+ mIndicator.SetSize(size.width, mIndicatorFixedHeight);
+ }
+}
+
+void ScrollBar::SetScrollDirection( Toolkit::ScrollBar::Direction direction )
+{
+ mDirection = direction;
+}
+
+Toolkit::ScrollBar::Direction ScrollBar::GetScrollDirection() const
+{
+ return mDirection;
+}
+
+void ScrollBar::SetIndicatorHeightPolicy( Toolkit::ScrollBar::IndicatorHeightPolicy policy )
+{
+ if( policy != mIndicatorHeightPolicy )
+ {
+ mIndicatorHeightPolicy = policy;
+ ApplyConstraints();
+ }
+}
+
+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<std::string>() );
+ 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<std::string>() );
+ 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<float>());
+ break;
+ }
+ case Toolkit::ScrollBar::Property::INDICATOR_SHOW_DURATION:
+ {
+ scrollBarImpl.SetIndicatorShowDuration(value.Get<float>());
+ break;
+ }
+ case Toolkit::ScrollBar::Property::INDICATOR_HIDE_DURATION:
+ {
+ scrollBarImpl.SetIndicatorHideDuration(value.Get<float>());
+ break;
+ }
+ case Toolkit::ScrollBar::Property::SCROLL_POSITION_INTERVALS:
+ {
+ Property::Array* array = value.GetArray();
+ if( array )
+ {
+ Dali::Vector<float> positions;
+ size_t positionCount = array->Count();
+ positions.Resize( positionCount );
+ for( size_t i = 0; i != positionCount; ++i )
+ {
+ array->GetElementAt( i ).Get( positions[i] );
+ }
+
+ scrollBarImpl.SetScrollPositionIntervals(positions);
+ }
+ break;
+ }
+ case Toolkit::ScrollBar::Property::INDICATOR_MINIMUM_HEIGHT:
+ {
+ scrollBarImpl.mIndicatorMinimumHeight = value.Get<float>();
+ scrollBarImpl.ApplyConstraints();
+ break;
+ }
+ case Toolkit::ScrollBar::Property::INDICATOR_START_PADDING:
+ {
+ scrollBarImpl.mIndicatorStartPadding = value.Get<float>();
+ scrollBarImpl.ApplyConstraints();
+ break;
+ }
+ case Toolkit::ScrollBar::Property::INDICATOR_END_PADDING:
+ {
+ scrollBarImpl.mIndicatorEndPadding = value.Get<float>();
+ scrollBarImpl.ApplyConstraints();
+ break;
+ }
+ }
+ }
+}
+
+Property::Value ScrollBar::GetProperty( BaseObject* object, Property::Index index )
{
- // Reapply constraints when the scroll domain is changed
- ApplyConstraints();
+ 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( Property::ARRAY );
+ Property::Array* array = value.GetArray();
+
+ if( array )
+ {
+ Dali::Vector<float> positions = scrollBarImpl.GetScrollPositionIntervals();
+ size_t positionCount( array->Count() );
+ for( size_t i( 0 ); i != positionCount; ++i )
+ {
+ array->PushBack( positions[i] );
+ }
+ }
+ break;
+ }
+ case Toolkit::ScrollBar::Property::INDICATOR_MINIMUM_HEIGHT:
+ {
+ value = scrollBarImpl.mIndicatorMinimumHeight;
+ break;
+ }
+ case Toolkit::ScrollBar::Property::INDICATOR_START_PADDING:
+ {
+ value = scrollBarImpl.mIndicatorStartPadding;
+ break;
+ }
+ case Toolkit::ScrollBar::Property::INDICATOR_END_PADDING:
+ {
+ value = scrollBarImpl.mIndicatorEndPadding;
+ break;
+ }
+ }
+ }
+ return value;
}
-Toolkit::ScrollBar ScrollBar::New()
+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 );
projects / platform / core / uifw / dali-toolkit.git / blobdiff