+++ /dev/null
-#ifndef __DALI_TOOLKIT_INTERNAL_SCROLL_VIEW_H__
-#define __DALI_TOOLKIT_INTERNAL_SCROLL_VIEW_H__
-
-//
-// 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.
-//
-
-// EXTERNAL INCLUDES
-#include <dali/dali.h>
-
-// INTERNAL INCLUDES
-#include <dali-toolkit/public-api/controls/control-impl.h>
-#include <dali-toolkit/internal/controls/scrollable/scroll-view/scroll-base-impl.h>
-#include <dali-toolkit/public-api/controls/scrollable/scroll-view/scroll-view.h>
-#include <dali-toolkit/public-api/controls/scrollable/scroll-view/scroll-view-effect.h>
-
-// predefined effect includes
-#include <dali-toolkit/public-api/controls/scrollable/scroll-view/scroll-view-custom-effect.h>
-
-namespace Dali
-{
-
-namespace Toolkit
-{
-
-namespace Internal
-{
-
-class ScrollView;
-typedef IntrusivePtr<ScrollView> ScrollViewPtr;
-
-class ScrollInternalConstraints;
-typedef IntrusivePtr<ScrollInternalConstraints> ScrollInternalConstraintsPtr;
-
-class ScrollOvershootIndicator;
-typedef IntrusivePtr<ScrollOvershootIndicator> ScrollOvershootIndicatorPtr;
-
-/**
- * @copydoc Toolkit::ScrollView
- */
-class ScrollView : public ScrollBase
-{
-public:
-
- /**
- * FindDirection specifies how searching is conducted within the Find... routines.
- */
- enum FindDirection
- {
- None = -3, ///< Includes none within the search query.
- All = -2, ///< Includes all within the search query.
- Left = -1, ///< Includes only those not right !(>)
- Right = 1, ///< Includes only those right (>)
- Up = -1, ///< Includes only those not below !(>)
- Down = 1, ///< Includes only those below (>)
- Out = -1, ///< Includes only those not infront !(>)
- In = 1 ///< Includes only those infront (>)
- };
-
- enum LockAxis
- {
- LockPossible = 0, ///< Locking is possible, but not set in stone yet.
- LockHorizontal, ///< Locking is set to horizontal. (can pan vertically)
- LockVertical, ///< Locking is set to vertical. (can pan horizontally)
- LockNone ///< Locking is set to none (free panning).
- };
-
-public:
-
- /**
- * Create a new ScrollView.
- * @return A public handle to the newly allocated ScrollView.
- */
- static Dali::Toolkit::ScrollView New();
-
-public:
-
- /**
- * @copydoc Toolkit::ScrollView::GetScrollSnapAlphaFunction
- */
- AlphaFunction GetScrollSnapAlphaFunction() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetScrollSnapAlphaFunction
- */
- void SetScrollSnapAlphaFunction(AlphaFunction alpha);
-
- /**
- * @copydoc Toolkit::ScrollView::GetScrollFlickAlphaFunction
- */
- AlphaFunction GetScrollFlickAlphaFunction() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetScrollFlickAlphaFunction
- */
- void SetScrollFlickAlphaFunction(AlphaFunction alpha);
-
- /**
- * @copydoc Toolkit::ScrollView::GetScrollSnapDuration
- */
- float GetScrollSnapDuration() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetScrollSnapDuration
- */
- void SetScrollSnapDuration(float time);
-
- /**
- * @copydoc Toolkit::ScrollView::GetScrollFlickDuration
- */
- float GetScrollFlickDuration() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetScrollFlickDuration
- */
- void SetScrollFlickDuration(float time);
-
- /**
- * @copydoc Toolkit::ScrollView::ApplyEffect
- */
- void ApplyEffect(Toolkit::ScrollViewEffect effect);
-
- /**
- * @brief ApplyEffect Applies a predefined effect
- * @param effect
- */
- Toolkit::ScrollViewEffect ApplyEffect(Toolkit::ScrollView::PageEffect effect);
-
- /**
- * @copydoc Toolkit::ScrollView::RemoveEffect
- */
- void RemoveEffect(Toolkit::ScrollViewEffect effect);
-
- /**
- * @copydoc Toolkit::ScrollView::RemoveAllEffects
- */
- void RemoveAllEffects();
-
- /**
- * @copydoc Toolkit::ScrollView::ApplyConstraintToChildren
- */
- void ApplyConstraintToChildren(Constraint constraint);
-
- /**
- * @copydoc Toolkit::ScrollView::RemoveConstraintsFromChildren
- */
- void RemoveConstraintsFromChildren();
-
- /**
- * @copydoc Toolkit::ScrollView::GetRulerX
- */
- const RulerPtr GetRulerX() const;
-
- /**
- * @copydoc Toolkit::ScrollView::GetRulerY
- */
- const RulerPtr GetRulerY() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetRulerX
- */
- void SetRulerX(RulerPtr ruler);
-
- /**
- * @copydoc Toolkit::ScrollView::SetRulerY
- */
- void SetRulerY(RulerPtr ruler);
-
- /**
- * @copydoc Toolkit::ScrollView::SetRulerScaleX
- */
- void SetRulerScaleX(RulerPtr ruler);
-
- /**
- * @copydoc Toolkit::ScrollView::SetRulerScaleY
- */
- void SetRulerScaleY(RulerPtr ruler);
-
- /**
- * Set Rotation axis ruler (defines how rotating is snapped in radians)
- * @param[in] ruler The ruler to be used for the Rotation axis
- */
- void SetRulerRotation(RulerPtr ruler);
-
- /**
- * @copydoc Toolkit::ScrollView::SetScrollSensitive
- */
- void SetScrollSensitive(bool sensitive);
-
- /**
- * @copydoc Toolkit::ScrollView::SetMaxOvershoot
- */
- void SetMaxOvershoot(float overshootX, float overshootY);
-
- /**
- * @copydoc Toolkit::ScrollView::SetSnapOvershootAlphaFunction
- */
- void SetSnapOvershootAlphaFunction(AlphaFunction alpha);
-
- /**
- * @copydoc Toolkit::ScrollView::SetSnapOvershootDuration
- */
- void SetSnapOvershootDuration(float duration);
-
- /**
- * @copydoc Toolkit::ScrollView::SetTouchesRequiredForPanning
- */
- void SetTouchesRequiredForPanning(unsigned int minTouches, unsigned int maxTouches, bool endOutside);
-
- /**
- * @copydoc Toolkit::ScrollView::SetActorAutoSnap
- */
- void SetActorAutoSnap(bool enable);
-
- /**
- * Enables or Disables Auto Resizing mode for ScrollView contents.
- *
- * When enabled, the ScrollView's X/Y Domains are restricted to the
- * dimensions of the content's bounds, which may change as Actors are
- * Added/Removed, and repositioned.
- *
- * @note This has been disabled for now, as this requires some fundamental
- * changes to the way Actors positions and bounds are retrieved.
- * (currently only constraints have these initial state knowledge)
- *
- * @param[in] enable Enables (true), or disables (false) Auto Resize.
- */
- void SetAutoResize(bool enable);
-
- /**
- * Returns whether the wrap mode has been enabled (true) or not (false).
- *
- * @return Wrap Mode Enabled flag.
- */
- bool GetWrapMode() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetWrapMode
- */
- void SetWrapMode(bool enable);
-
- /**
- * @copydoc Toolkit::ScrollView::GetRefreshInterval
- */
- int GetRefreshInterval() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetRefreshInterval
- */
- void SetRefreshInterval(int milliseconds);
-
- /**
- * @copydoc Toolkit::ScrollView::GetAxisAutoLock
- */
- bool GetAxisAutoLock() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetAxisAutoLock
- */
- void SetAxisAutoLock(bool enable);
-
- /**
- * @copydoc Toolkit::ScrollView::GetAxisAutoLockGradient
- */
- float GetAxisAutoLockGradient() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetAxisAutoLockGradient
- */
- void SetAxisAutoLockGradient(float gradient);
-
- /**
- * @copydoc Toolkit::ScrollView::GetFrictionCoefficient
- */
- float GetFrictionCoefficient() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetFrictionCoefficient
- */
- void SetFrictionCoefficient(float friction);
-
- /**
- * @copydoc Toolkit::ScrollView::GetFlickSpeedCoefficient
- */
- float GetFlickSpeedCoefficient() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetFlickSpeedCoefficient
- */
- void SetFlickSpeedCoefficient(float speed);
-
- /**
- * @copydoc Toolkit::ScrollView::GetMaxFlickSpeed
- */
- float GetMaxFlickSpeed() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetMaxFlickSpeed
- */
- void SetMaxFlickSpeed(float speed);
-
- /**
- * @copydoc Toolkit::ScrollView::GetMouseWheelScrollDistanceStep
- */
- Vector2 GetMouseWheelScrollDistanceStep() const;
-
- /**
- * @copydoc Toolkit::ScrollView::SetMouseWheelScrollDistanceStep
- */
- void SetMouseWheelScrollDistanceStep(Vector2 step);
-
- /**
- * @copydoc Toolkit::ScrollView::GetCurrentPage
- */
- unsigned int GetCurrentPage() const;
-
- /**
- * @copydoc Toolkit::ScrollView::GetCurrentScrollPosition
- */
- Vector3 GetCurrentScrollPosition() const;
-
- /**
- * @copydoc Toolkit::ScrollView::GetCurrentScrollScale
- */
- Vector3 GetCurrentScrollScale() const;
-
- /**
- * @copydoc Toolkit::Scrollable::GetDomainSize
- */
- Vector3 GetDomainSize() const;
-
- /**
- * @copydoc Toolkit::ScrollView::TransformTo(const Vector3& position, const Vector3& scale, float rotation)
- */
- void TransformTo(const Vector3& position, const Vector3& scale, float rotation,
- DirectionBias horizontalBias = DirectionBiasNone, DirectionBias verticalBias = DirectionBiasNone);
-
- /**
- * @copydoc Toolkit::ScrollView::TransformTo(const Vector3& position, const Vector3& scale, float rotation, float duration)
- */
- void TransformTo(const Vector3& position, const Vector3& scale, float rotation, float duration,
- DirectionBias horizontalBias = DirectionBiasNone, DirectionBias verticalBias = DirectionBiasNone);
-
- /**
- * @copydoc Toolkit::ScrollView::ScrollTo(const Vector3 &position)
- */
- void ScrollTo(const Vector3 &position);
-
- /**
- * @copydoc Toolkit::Scrollable::ScrollTo(const Vector3& position, float duration)
- */
- void ScrollTo(const Vector3& position, float duration);
-
- /**
- * @copydoc Toolkit::ScrollView::ScrollTo(const Vector3 &position, float duration, DirectionBias horizontalBias, DirectionBias verticalBias)
- */
- void ScrollTo(const Vector3& position, float duration,
- DirectionBias horizontalBias, DirectionBias verticalBias);
-
- /**
- * @copydoc Toolkit::ScrollView::ScrollTo(unsigned int page)
- */
- void ScrollTo(unsigned int page);
-
- /**
- * @copydoc Toolkit::ScrollView::ScrollTo(unsigned int page, float duration, DirectionBias bias)
- */
- void ScrollTo(unsigned int page, float duration, DirectionBias bias = DirectionBiasNone);
-
- /**
- * @copydoc Toolkit::ScrollView::ScrollTo(Actor& actor)
- */
- void ScrollTo(Actor &actor);
-
- /**
- * @copydoc Toolkit::ScrollView::ScrollTo(Actor& actor, float duration)
- */
- void ScrollTo(Actor &actor, float duration);
-
- /**
- * @copydoc Toolkit::ScrollView::SetScrollingDirection()
- */
- void SetScrollingDirection( Radian direction, Radian threshold );
-
- /**
- * @copydoc Toolkit::ScrollView::RemoveScrollingDirection()
- */
- void RemoveScrollingDirection( Radian angle );
-
- /**
- * Finds the closest Actor to the current center of the ScrollView.
- *
- * @return A handle to the actor if found, or an empty handle if not.
- */
- Actor FindClosestActor();
-
- /**
- * Finds the closest Actor to position in ScrollView
- *
- * @param[in] position position within ScrollView.
- * @param[in] dirX Whether to search only those elements that are Left,Right, or All
- * @param[in] dirY Whether to search only those elements that are Up,Down, or All
- * @param[in] dirZ Whether to search only those elements that are Out,In, or All
- * @return A handle to the actor if found, or an empty handle if not.
- */
- Actor FindClosestActorToPosition(const Vector3& position, FindDirection dirX = All, FindDirection dirY = All, FindDirection dirZ = All);
-
- /**
- * @copydoc Toolkit::ScrollView::ScrollToSnapPoint
- */
- bool ScrollToSnapPoint();
-
- /**
- * @copydoc Toolkit::ScrollView::ScaleTo(const Vector3& scale)
- */
- void ScaleTo(const Vector3& scale);
-
- /**
- * @copydoc Toolkit::ScrollView::ScaleTo(const Vector3& scale, float duration)
- */
- void ScaleTo(const Vector3& scale, float duration);
-
- /**
- * Stops animation
- */
- void StopAnimation(void);
-
- /**
- * Animates to position/scale/rotation transform.
- *
- * @param[in] position The position to animate to
- * @param[in] positionDuration The number of seconds this animation should run for in each axis.
- * @param[in] scale The scale to animate to
- * @param[in] scaleDuration The number of seconds this animation should run for in each axis.
- * @param[in] rotation The angle to animate to
- * @param[in] rotationDuration The number of seconds this animation should run for in each axis.
- * @param[in] alpha The easing alpha function to use.
- * @param[in] findShortcuts (optional) Whether to find the shortest route (in Wrap mode)
- * @param[in] horizontalBias (optional) Whether to bias animation to left or right (or no biasing)
- * @param[in] verticalBias (optional) Whether to bias animation to top or bottom (or no biasing)
- * @return True if animation necessary and taking place to reach desired transform.
- */
- bool AnimateTo(const Vector3& position, const Vector3& positionDuration,
- const Vector3& scale, const Vector3& scaleDuration,
- float rotation, float rotationDuration,
- AlphaFunction alpha, bool findShortcuts = true,
- DirectionBias horizontalBias = DirectionBiasNone, DirectionBias verticalBias = DirectionBiasNone,
- SnapType snapType = Snap);
-
- /**
- * @copydoc Toolkit::Scrollable::AddOverlay()
- */
- void AddOverlay(Actor actor);
-
- /**
- * @copydoc Toolkit::Scrollable::RemoveOverlay()
- */
- void RemoveOverlay(Actor actor);
-
-public: //Signals
-
- /**
- * @copydoc Dali::Toolkit::ScrollView::SnapStartedSignal()
- */
- Toolkit::ScrollView::SnapStartedSignalV2& SnapStartedSignal();
-
- /**
- * Connects a callback function with the object's signals.
- * @param[in] object The object providing the signal.
- * @param[in] tracker Used to disconnect the signal.
- * @param[in] signalName The signal to connect to.
- * @param[in] functor A newly allocated FunctorDelegate.
- * @return True if the signal was connected.
- * @post If a signal was connected, ownership of functor was passed to CallbackBase. Otherwise the caller is responsible for deleting the unused functor.
- */
- static bool DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor );
-
-private: // private overriden functions from CustomActorImpl and Controls
-
- /**
- * @copydoc Dali::CustomActorImpl::OnSizeAnimation(Animation&, const Vector3&)
- */
- virtual void OnSizeAnimation(Animation& animation, const Vector3& targetSize);
-
- /**
- * @copydoc Dali::ControlImpl::OnControlSizeSet(const Vector3&)
- */
- virtual void OnControlSizeSet( const Vector3& size );
-
- /**
- * From CustomActorImpl; called after a child has been added to the owning actor.
- * @param[in] child The child which has been added.
- */
- virtual void OnChildAdd(Actor& child);
-
- /**
- * From CustomActorImpl; called shortly before a child is removed from the owning actor.
- * @param[in] child The child being removed.
- */
- virtual void OnChildRemove(Actor& child);
-
- /**
- * From CustomActorImpl; called after a touch-signal is received by the owning actor.
- *
- * We don't listen to these events as content within the contain may consume events.
- *
- * @param[in] event The touch event.
- * @return True if the event should be consumed.
- */
- virtual bool OnTouchEvent(const TouchEvent& event);
-
- /**
- * From CustomActorImpl; called after a mouse-wheel-event is received by the owning actor.
- * @param[in] event The mouse wheel event.
- * @return True if the event should be consumed.
- */
- virtual bool OnMouseWheelEvent(const MouseWheelEvent& event);
-
- /**
- * @copydoc Toolkit::Control::OnInitialize()
- */
- virtual void OnInitialize();
-
- /**
- * @copydoc Toolkit::Control::OnControlStageConnection()
- */
- virtual void OnControlStageConnection();
-
- /**
- * @copydoc Toolkit::Control::OnControlStageConnection()
- */
- virtual void OnControlStageDisconnection();
-
- /**
- * @copydoc Toolkit::Control::OnAccessibilityPan()
- */
- virtual bool OnAccessibilityPan(PanGesture gesture);
-
- /**
- * @copydoc Toolkit::Scrollable::SetOvershootEnabled()
- */
- virtual void SetOvershootEnabled(bool enable);
-
-private:
-
- /**
- * Called whenever a snap animation has completed
- * @param[in] source the Animation instance that has completed.
- */
- void OnSnapAnimationFinished( Animation& source );
-
- /**
- * Called whenever a snap animation on the x-axis has completed
- * @param[in] source the Animation instance that has completed.
- */
- void OnSnapXAnimationFinished( Animation& source );
-
- /**
- * Called whenever a snap animation on the y-axis has completed
- * @param[in] source the Animation instance that has completed.
- */
- void OnSnapYAnimationFinished( Animation& source );
-
- /**
- * This is called internally whenever the Scroll Rulers are
- * modified. This will update the properties: 'scroll-position-min'
- * and 'scroll-position-max' to reflect the changes.
- *
- * @param[in] size size of the visible scroll area (ScrollView control size)
- */
- void UpdatePropertyDomain(const Vector3& size);
-
- /**
- * Called when the gesture starts.
- */
- void GestureStarted();
-
- /**
- * Amalgamated Gesture Continuing event
- *
- * @param[in] panDelta average panning delta from base position (0)
- * @param[in] scaleDelta average scale delta from base scale (1)
- * @param[in] rotationDelta average rotation delta from base angle (0)
- */
- void GestureContinuing(Vector2 panDelta, Vector2 scaleDelta, float rotationDelta);
-
- /**
- * Called upon pan gesture event.
- *
- * @param[in] gesture The gesture event.
- */
- void OnPan(PanGesture pan);
-
- /**
- * Extension of the above gestures.
- *
- * @param[in] gesture The gesture event.
- */
- void OnGestureEx(Gesture::State state);
-
- /**
- * Performs snapping while taking into account Velocity of gesture
- * (velocity in pixels/sec)
- *
- * @param[in] velocity velocity in pixels/sec
- */
- bool SnapWithVelocity(Vector2 velocity);
-
- /**
- * Updates Container Transform based on Pan, Scale, and Rotation props.
- * (occurs when continuing gesture i.e. dragging/pinching.)
- */
- void UpdateTransform();
-
- /**
- * Finishes Container Transform
- * (occurs upon finishing gesture i.e. releasing)
- */
- void FinishTransform();
-
- /**
- * Sets Overshoot to origin / cancels animation
- */
- void SetOvershootToOrigin();
-
- /**
- * Animates Overshoot to origin
- */
- void AnimateOvershootToOrigin(float xDelay, float yDelay);
-
- /**
- * Called whenever a snap overshoot animation has completed.
- * @param[in] source the Animation instance that has completed.
- */
- void OnSnapOvershootAnimationFinished( Animation& source );
-
- /**
- * Returns overshoot vector based on current position
- *
- * Overshoot vector is defined as how far outside of bounds
- * the viewport is trying to view (prior to being clamped).
- *
- * an overshoot of (100,50), means user is in bottom right corner,
- * trying to pan +100 to the right, and +50 below. This can be used
- * to determine an effect, such as stretching.
- *
- * @param[in] position The position for which you wish to obtain overshoot vector
- */
- Vector3 GetOvershoot(Vector3& position) const;
-
- /**
- * Clamps position within the domain set up by X/Y Rulers
- *
- * @param[in,out] position The position you wish to clamp
- */
- void ClampPosition(Vector3& position) const;
-
- /**
- * Clamps position within the domain set up by X/Y Rulers
- *
- * @param[in,out] position The position you wish to clamp
- * @param[out] clamped The results of the clamping.
- */
- void ClampPosition(Vector3& position, ClampState3 &clamped) const;
-
- /**
- * Wraps position within the domain set up by X/Y Rulers
- *
- * @note Only wraps if mWrapMode is enabled, and respective domains
- * are enabled.
- *
- * @param[in,out] position The position you wish to wrap
- */
- void WrapPosition(Vector3& position) const;
-
- /**
- * Clamps scale within the domain set up by Scale-X/Scale-Y Rulers
- *
- * @param[in,out] scale The scale you wish to clamp
- */
- void ClampScale(Vector3& scale) const;
-
- /**
- * Clamps scale within the domain set up by Scale-X/Scale-Y Rulers
- *
- * @param[in,out] scale The scale you wish to clamp
- * @param[out] clamped The results of the clamping.
- */
- void ClampScale(Vector3& scale, ClampState3 &clamped) const;
-
- /**
- * Updates the main internal scroll constraints with new ruler and domain
- * values
- */
- void UpdateMainInternalConstraint();
-
- /**
- * Enables/disables the overshoot constraints
- *
- * @param[in] enabled whether to enable or disable the overshoot constraints
- */
- void SetOvershootConstraintsEnabled(bool enabled);
-
- /**
- * Sets internal constraints for this ScrollView.
- * Many of these internal constraints are based on properties within
- * ScrollView.
- */
- void SetInternalConstraints();
-
-protected:
-
- /**
- * Construct a new ScrollView.
- */
- ScrollView();
-
- /**
- * A reference counted object may only be deleted by calling Unreference()
- */
- virtual ~ScrollView();
-
-private:
-
- /**
- * Searches this ScrollView, and attempts to Unbind
- * systematically this Actor from the ScrollView attached.
- *
- * @param[in] child The actor to be unbound.
- */
- virtual void FindAndUnbindActor(Actor child);
-
- /**
- * Gets position property.
- *
- * @return The current position
- */
- Vector3 GetPropertyPrePosition() const;
-
- /**
- * Gets position property.
- *
- * @return The current position
- */
- Vector3 GetPropertyPosition() const;
-
- /**
- * Gets scale property.
- *
- * @return The current scale
- */
- Vector3 GetPropertyScale() const;
-
- /**
- * Handles a Stopped animation. Its position/scale/rotation properties need to be
- * saved, and the animation flag switched off.
- */
- void HandleStoppedAnimation();
-
- /**
- * Handles a Stopped animation (whether the animation completed, or was
- * manually stopped). Its position/scale/rotation properties need to be
- * saved, and the animation flag switched off.
- */
- void HandleSnapAnimationFinished();
-
- /**
- * Helper to start the refresh timer.
- */
- void StartRefreshTimer();
-
- /**
- * Helper to cancel the refresh timer.
- */
- void CancelRefreshTimer();
-
- /**
- * Refresh the ScrollView (used when animating to update application developer of changes)
- * @return True if the refresh timer should be kept running.
- */
- bool OnRefreshTick();
-
-private:
-
- // Undefined
- ScrollView(const ScrollView&);
-
- // Undefined
- ScrollView& operator=(const ScrollView& rhs);
-
-private:
-
- bool mInitialized;
- bool mScrolling; ///< Flag indicating whether the scroll view is being scrolled (by user or animation)
- bool mScrollInterrupted; ///< Flag set for when a down event interrupts a scroll
- unsigned long mTouchDownTime; ///< The touch down time
- Vector2 mTouchDownPosition; ///< The touch down position
-
- bool mSensitive; ///< Scroll Sensitivity Flag.
-
- int mGestureStackDepth; ///< How many gestures are currently occuring.
- Vector2 mGestureReferencePosition; ///< Point where scaling should occur from.
- Vector2 mPinchGestureLastPosition;
- Vector2 mPinchGestureLastScale;
-
- Vector3 mPanDelta; ///< Amount currently panned.
- Vector3 mScaleDelta; ///< Amount currently scaled.
- float mRotationDelta; ///< Amount currently rotated.
-
- // Scroll delegate pre and post position/scale/rotation properties...
- Vector3 mScrollPrePosition; ///< Scroll delegate pre-position
- Vector3 mScrollPostPosition; ///< Scroll delegate post-position (affected by current touch)
- Vector3 mScrollPreScale; ///< Scroll delegate pre-scale
- Vector3 mScrollPostScale; ///< Scroll delegate post-scale (affected by current touch)
- float mScrollPreRotation; ///< Scroll delegate pre-rotation
- float mScrollPostRotation; ///< Scroll delegate post-rotation (affected by current touch)
- Vector3 mDomainOffset; ///< Domain offset (this keeps track of the domain boundaries that scroll positions traverses)
-
- // Rulers for each axes...
- RulerPtr mRulerX;
- RulerPtr mRulerY;
- RulerPtr mRulerScaleX;
- RulerPtr mRulerScaleY;
- RulerPtr mRulerRotation;
- bool mTouchDownReceived;
- bool mActorAutoSnapEnabled; ///< Whether to automatically snap to closest actor.
- bool mAutoResizeContainerEnabled; ///< Whether to automatically resize container (affects RulerDomain's on X/Y axes)
- bool mWrapMode; ///< Whether to wrap contents based on container size.
- bool mAxisAutoLock; ///< Whether to automatically lock axis when panning.
- unsigned int mMinTouchesForPanning; ///< Minimum number of touches for panning to be used.
- unsigned int mMaxTouchesForPanning; ///< Maximum number of touches for panning to be used.
-
- Animation mSnapAnimation;
- Animation mSnapXAnimation; ///< Animates from current x-axis position to the snapped (or scrolled) x-axis position.
- Animation mSnapYAnimation; ///< Animates from current y-axis position to the snapped (or scrolled) y-axis position.
- Animation mSnapOvershootAnimation; ///< Animates scroll-overshoot from current position to 0,0 based on specified easing equation.
-
-
- Vector2 mLastVelocity; ///< Record the last velocity from PanGesture (Finish event doesn't have correct velocity)
- LockAxis mLockAxis;
-
- Timer mOvershootRefreshTimer;
- Timer mRefreshTimer; ///< Refresh timer is used to provide the Application developer with updates as animations run.
- int mRefreshIntervalMilliseconds; ///< Refresh timer interval.
-
- bool mAlterChild; ///< Internal flag to control behavior of OnChildAdd/OnChildRemove when Adding internal Actors.
- Actor mInternalActor; ///< Internal actor (we keep internal actors in here e.g. scrollbars, so we can ignore it in searches)
-
- ScrollViewEffectContainer mEffects; ///< Container keeping track of all the applied effects.
-
- float mOvershootDelay; ///< Time to wait for input before reducing overshoot back to 0
- Vector2 mMaxOvershoot; ///< Number of scrollable pixels that will take overshoot from 0.0f to 1.0f
- bool mDefaultMaxOvershoot; ///< Whether to use default max overshoot or application defined one
- float mSnapOvershootDuration; ///< Duration for overshoot snapping back to Vector3::ZERO
- AlphaFunction mSnapOvershootAlphaFunction; ///< AlphaFunction to be used for this overshoot.
-
- float mSnapDuration; ///< Time for the snap animation to take (in seconds).
- AlphaFunction mSnapAlphaFunction; ///< AlphaFunction to be used for the Snap Animation.
-
- float mFlickDuration; ///< Time for the flick animation to take (in seconds).
- AlphaFunction mFlickAlphaFunction; ///< AlphaFunction to be used for the Flick Animation.
-
- float mAxisAutoLockGradient; ///< Axis Auto-lock gradient threshold. Above this gradient and it will lock scrolling to closest axis.
- float mFrictionCoefficient; ///< Friction coefficient. Amount of friction to apply to free panning flick animation. in stage.lengths/sec
- float mFlickSpeedCoefficient; ///< Flick velocity coefficient. Input touch velocity is multiplied by this.
- float mMaxFlickSpeed; ///< Maximum flick speed. Maximum speed of flick in stage.lengths/sec.
-
- Vector2 mMouseWheelScrollDistanceStep; ///< The step of scroll distance in actor coordinates in X and Y axes for each mouse wheel event received.
-
- //ScrollInternalConstraintsPtr mScrollInternalConstraints;
- ActiveConstraint mScrollMainInternalPrePositionConstraint;
- ActiveConstraint mScrollMainInternalPositionConstraint;
- ActiveConstraint mScrollMainInternalXConstraint;
- ActiveConstraint mScrollMainInternalYConstraint;
- ActiveConstraint mScrollMainInternalOvershootXConstraint;
- ActiveConstraint mScrollMainInternalOvershootYConstraint;
- ActiveConstraint mScrollMainInternalDeltaConstraint;
- ActiveConstraint mScrollMainInternalFinalConstraint;
- ActiveConstraint mScrollMainInternalRelativeConstraint;
-
- ScrollOvershootIndicatorPtr mOvershootIndicator;
-
- Toolkit::ScrollView::SnapStartedSignalV2 mSnapStartedSignalV2;
-};
-
-} // namespace Internal
-
-// Helpers for public-api forwarding methods
-
-inline Toolkit::Internal::ScrollView& GetImpl(Toolkit::ScrollView& scrollView)
-{
- DALI_ASSERT_ALWAYS(scrollView);
-
- Dali::RefObject& handle = scrollView.GetImplementation();
-
- return static_cast<Toolkit::Internal::ScrollView&>(handle);
-}
-
-inline const Toolkit::Internal::ScrollView& GetImpl(const Toolkit::ScrollView& scrollView)
-{
- DALI_ASSERT_ALWAYS(scrollView);
-
- const Dali::RefObject& handle = scrollView.GetImplementation();
-
- return static_cast<const Toolkit::Internal::ScrollView&>(handle);
-}
-
-} // namespace Toolkit
-
-} // namespace Dali
-
-#endif // __DALI_TOOLKIT_INTERNAL_SCROLL_VIEW_H__
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