#define __DALI_TOOLKIT_INTERNAL_SCROLL_BAR_H__
/*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2017 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.
// EXTERNAL INCLUDES
#include <dali/public-api/adaptor-framework/timer.h>
-#include <dali/public-api/actors/image-actor.h>
-#include <dali/public-api/animation/active-constraint.h>
+#include <dali/public-api/animation/constraint.h>
#include <dali/public-api/animation/animation.h>
+#include <dali/public-api/common/dali-vector.h>
#include <dali/public-api/object/property-notification.h>
+#include <dali/public-api/object/weak-handle.h>
// INTERNAL INCLUDES
-#include <dali-toolkit/public-api/controls/scrollable/scroll-component-impl.h>
-#include <dali-toolkit/public-api/controls/scrollable/scroll-connector.h>
+#include <dali-toolkit/public-api/controls/control-impl.h>
#include <dali-toolkit/public-api/controls/scroll-bar/scroll-bar.h>
namespace Dali
* ScrollBar is a UI component that can be added to the scrollable controls
* indicating the current scroll position of the scrollable content.
*/
-class ScrollBar : public ScrollComponentImpl
+class ScrollBar : public Control
{
public:
- // Properties
- enum
- {
- SCROLLBAR_PROPERTY_START_INDEX = Control::CONTROL_PROPERTY_END_INDEX + 1,
- SCROLLBAR_PROPERTY_END_INDEX = SCROLLBAR_PROPERTY_START_INDEX + 1000 ///< Reserving 1000 property indices
- };
-
// Signals
- typedef Toolkit::ScrollBar::ScrollPositionNotifiedSignalType ScrollPositionNotifiedSignalType;
+ typedef Toolkit::ScrollBar::PanFinishedSignalType PanFinishedSignalType;
+ typedef Toolkit::ScrollBar::ScrollPositionIntervalReachedSignalType ScrollPositionIntervalReachedSignalType;
public:
/**
- * @copydoc Toolkit::ScrollBar::ScrollBar()
+ * @copydoc Toolkit::ScrollBar::New()
*/
- ScrollBar();
+ static Toolkit::ScrollBar New(Toolkit::ScrollBar::Direction direction);
/**
- * @copydoc Toolkit::ScrollBar::~ScrollBar()
+ * @copydoc Toolkit::ScrollBar::SetScrollPropertySource()
*/
- virtual ~ScrollBar();
+ void SetScrollPropertySource( Handle handle, Property::Index propertyScrollPosition, Property::Index propertyMinScrollPosition, Property::Index propertyMaxScrollPosition, Property::Index propertyScrollContentSize );
/**
- * @copydoc Toolkit::ScrollBar::New()
+ * @copydoc Toolkit::ScrollBar::SetScrollIndicator()
+ */
+ void SetScrollIndicator( Actor indicator );
+
+ /**
+ * @copydoc Toolkit::ScrollBar::GetScrollIndicator()
*/
- static Toolkit::ScrollBar New();
+ Actor GetScrollIndicator();
/**
- * @copydoc Toolkit::ScrollComponentImpl::OnScrollConnectorSet()
+ * @copydoc Toolkit::ScrollBar::SetScrollPositionIntervals()
*/
- void OnScrollConnectorSet( Toolkit::ScrollConnector connector );
+ void SetScrollPositionIntervals( const Dali::Vector<float>& positions );
/**
- * @copydoc Toolkit::ScrollBar::SetIndicatorImage()
+ * @copydoc Toolkit::ScrollBar::GetScrollPositionIntervals()
*/
- void SetIndicatorImage( Image image );
+ Dali::Vector<float> GetScrollPositionIntervals() const;
/**
- * @copydoc Toolkit::ScrollBar::GetScrollIndicator()
+ * @copydoc Toolkit::ScrollBar::SetScrollDirection()
*/
- Actor GetScrollIndicator();
+ void SetScrollDirection( Toolkit::ScrollBar::Direction direction );
/**
- * @copydoc Toolkit::ScrollBar::SetPositionNotifications()
+ * @copydoc Toolkit::ScrollBar::GetScrollDirection()
*/
- void SetPositionNotifications( const std::vector<float>& positions );
+ Toolkit::ScrollBar::Direction GetScrollDirection() const;
/**
* @copydoc Toolkit::ScrollBar::SetIndicatorHeightPolicy()
/**
* @copydoc Toolkit::ScrollBar::GetIndicatorHeightPolicy()
*/
- Toolkit::ScrollBar::IndicatorHeightPolicy GetIndicatorHeightPolicy();
+ Toolkit::ScrollBar::IndicatorHeightPolicy GetIndicatorHeightPolicy() const;
/**
* @copydoc Toolkit::ScrollBar::SetIndicatorFixedHeight()
/**
* @copydoc Toolkit::ScrollBar::GetIndicatorFixedHeight()
*/
- float GetIndicatorFixedHeight();
+ float GetIndicatorFixedHeight() const;
/**
* @copydoc Toolkit::ScrollBar::SetIndicatorShowDuration()
/**
* @copydoc Toolkit::ScrollBar::GetIndicatorShowDuration()
*/
- float GetIndicatorShowDuration();
+ float GetIndicatorShowDuration() const;
/**
* @copydoc Toolkit::ScrollBar::SetIndicatorHideDuration()
/**
* @copydoc Toolkit::ScrollBar::GetIndicatorHideDuration()
*/
- float GetIndicatorHideDuration();
+ float GetIndicatorHideDuration() const;
/**
- * @copydoc Toolkit::ScrollBar::Show()
+ * @copydoc Toolkit::ScrollBar::ShowIndicator()
*/
- void Show();
+ void ShowIndicator();
/**
- * @copydoc Toolkit::ScrollBar::Hide()
+ * @copydoc Toolkit::ScrollBar::HideIndicator()
*/
- void Hide();
+ void HideIndicator();
+
+ /**
+ * @brief Shows indicator until the transient duration has expired
+ */
+ void ShowTransientIndicator();
/**
- * Signal emitted after the SetScrollDomain() method has been called.
+ * @copydoc Toolkit::ScrollBar::PanFinishedSignal()
*/
- ScrollPositionNotifiedSignalType& ScrollPositionNotifiedSignal()
+ PanFinishedSignalType& PanFinishedSignal()
{
- return mScrollPositionNotifiedSignal;
+ return mPanFinishedSignal;
+ }
+
+ /**
+ * @copydoc Toolkit::ScrollBar::ScrollPositionIntervalReachedSignal()
+ */
+ ScrollPositionIntervalReachedSignalType& ScrollPositionIntervalReachedSignal()
+ {
+ return mScrollPositionIntervalReachedSignal;
}
/**
*/
static Property::Value GetProperty( BaseObject* object, Property::Index index );
+ /**
+ * Performs actions as requested using the action name.
+ * @param[in] object The object on which to perform the action.
+ * @param[in] actionName The action to perform.
+ * @param[in] attributes The attributes with which to perfrom this action.
+ * @return true if action has been accepted by this control
+ */
+ static bool DoAction( BaseObject* object, const std::string& actionName, const Property::Map& attributes );
+
private: // from Control
/**
/**
* @copydoc Toolkit::Control::OnPan
*/
- virtual void OnPan( PanGesture gesture );
+ virtual void OnPan( const PanGesture& gesture );
/**
- * @copydoc Toolkit::Control::OnControlSizeSet( const Vector3& size )
+ * @copydoc CustomActorImpl::OnSizeSet( const Vector3& size )
*/
- virtual void OnControlSizeSet( const Vector3& size );
+ virtual void OnSizeSet( const Vector3& size );
private:
/**
- * Apply constraints for background and indicator.
- * These constraints are based on values from the scroll connector.
+ * Create the default indicator actor.
*/
- void ApplyConstraints();
+ void CreateDefaultIndicatorActor();
/**
- * Callback when the start & end position and size of the scrollable content are changed.
- * @param[in] minPosition The minimum position.
- * @param[in] maxPosition The maximum position.
- * @param[in] contentSize The size of scrollable content.
+ * Apply constraints for background and indicator.
+ * These constraints are based on values from the scroll connector.
*/
- void OnScrollDomainChanged(float minPosition, float maxPosition, float contentSize);
+ void ApplyConstraints();
/**
* Callback when the current scroll position of the scrollable content goes above or
- * below the values specified by SetPositionNotifications().
+ * below the values specified by SetScrollPositionIntervals().
* @param[in] source the property notification that triggered this callback
*/
- void OnScrollPositionNotified(PropertyNotification& source);
+ void OnScrollPositionIntervalReached(PropertyNotification& source);
/**
* Process the pan gesture per predefined timeout until the gesture is finished.
bool OnPanGestureProcessTick();
/**
+ * Handle SetProperty for scroll direction.
+ * @param[in] propertyValue The new property value.
+ */
+ void OnScrollDirectionPropertySet(Property::Value propertyValue);
+
+ /**
* Handle SetProperty for scroll indicator height policy.
* @param[in] propertyValue The new property value.
*/
private:
- Handle mScrollPositionObject; ///< From mScrollConnector
+ /**
+ * Constructor.
+ * It initializes ScrollBar members.
+ */
+ ScrollBar( Toolkit::ScrollBar::Direction direction );
+
+ /**
+ * A reference counted object may only be deleted by calling Unreference()
+ */
+ virtual ~ScrollBar();
+
+private:
- ImageActor mIndicator; ///< Image of scroll indicator.
+ Actor mIndicator; ///< Image of scroll indicator.
+ float mIndicatorShowAlpha; ///< The alpha value when the indicator is fully shown
Animation mAnimation; ///< Scroll indicator Show/Hide Animation.
- float mIndicatorShowDuration; ///< The duration of scroll indicator show animation
- float mIndicatorHideDuration; ///< The duration of scroll indicator hide animation
+ Toolkit::ScrollBar::Direction mDirection; ///< The direction of scroll bar (vertical or horizontal)
- float mScrollStart; ///< Scroll Start position (start of drag)
+ WeakHandleBase mScrollableObject; ///< Object to be scrolled
+
+ Property::Index mPropertyScrollPosition; ///< Index of scroll position property owned by the object to be scrolled
+ Property::Index mPropertyMinScrollPosition; ///< Index of minimum scroll position property owned by the object to be scrolled
+ Property::Index mPropertyMaxScrollPosition; ///< Index of maximum scroll position property owned by the object to be scrolled
+ Property::Index mPropertyScrollContentSize; ///< Index of scroll content size property owned by the object to be scrolled
+
+ float mIndicatorShowDuration; ///< The duration of scroll indicator show animation
+ float mIndicatorHideDuration; ///< The duration of scroll indicator hide animation
+ float mTransientIndicatorDuration; ///< The duration before hiding transient indicator
+
+ float mScrollStart; ///< Scroll Start position (start of drag)
Vector3 mGestureDisplacement; ///< Gesture Displacement.
- bool mIsPanning; ///< Whether the scroll bar is being panned.
- float mCurrentScrollPosition; ///< The current scroll position updated by the pan gesture
+ float mCurrentScrollPosition; ///< The current scroll position updated by the pan gesture
Toolkit::ScrollBar::IndicatorHeightPolicy mIndicatorHeightPolicy; ///< The height policy of scroll indicator (variable or fixed)
- float mIndicatorFixedHeight; ///< The fixed height of scroll indicator
+ float mIndicatorFixedHeight; ///< The fixed height of scroll indicator
+ float mIndicatorMinimumHeight; ///< The minimum height for a variable size indicator
+ float mIndicatorStartPadding; ///< The padding at the start of the indicator
+ float mIndicatorEndPadding; ///< The padding at the end of the indicator
- Timer mTimer; ///< The timer to process the pan gesture after the gesture is started.
-
- Property::Index mPropertyIndicatorPosition; ///< Indicatore Position ("indicator-position")
+ Timer mContractDelayTimer; ///< Timer guarantee contract delay time.
+ Timer mPanProcessTimer; ///< The timer to process the pan gesture after the gesture is started.
+ Dali::Vector<float> mScrollPositionIntervals; ///< List of values to receive notification for when the current scroll position goes above or below them
PropertyNotification mPositionNotification; ///< Stores the property notification used for scroll position changes
- ScrollPositionNotifiedSignalType mScrollPositionNotifiedSignal;
+ PanFinishedSignalType mPanFinishedSignal;
+ ScrollPositionIntervalReachedSignalType mScrollPositionIntervalReachedSignal;
+
+ Constraint mIndicatorPositionConstraint;
+ Constraint mIndicatorSizeConstraint;
+ Constraint mScrollPositionInCurrentAxisConstraint;
- ActiveConstraint mIndicatorSizeConstraint;
- ActiveConstraint mIndicatorPositionConstraint;
+ bool mIsPanning : 1; ///< Whether the scroll bar is being panned.
+ bool mIndicatorFirstShow : 1; ///< True if the indicator has never been shown
};
} // namespace Internal