#include <dali-toolkit/internal/controls/scrollable/scroll-view/scroll-view-impl.h>
// EXTERNAL INCLUDES
+#include <dali/public-api/animation/constraints.h>
+#include <dali/public-api/common/stage.h>
#include <dali/public-api/events/mouse-wheel-event.h>
+#include <dali/public-api/events/touch-event.h>
+#include <dali/public-api/object/type-registry.h>
#include <dali/integration-api/debug.h>
// INTERNAL INCLUDES
const unsigned int MAXIMUM_NUMBER_OF_VALUES = 5; ///< Number of values to use for weighted pan calculation.
const Vector2 DEFAULT_MOUSE_WHEEL_SCROLL_DISTANCE_STEP_PROPORTION = Vector2(0.17f, 0.1f); ///< The step of horizontal scroll distance in the proportion of stage size for each mouse wheel event received.
const unsigned long MINIMUM_TIME_BETWEEN_DOWN_AND_UP_FOR_RESET( 150u );
-const float DEFAULT_OVERSHOOT_ANIMATION_DURATION = 0.35f; // time in seconds
-const Vector2 OVERSCROLL_CLAMP(1.0f, 1.0f); // maximum overscroll allowed in pixels when overshoot indicator is being used
const float TOUCH_DOWN_TIMER_INTERVAL = 100.0f;
const float DEFAULT_SCROLL_UPDATE_DISTANCE( 30.0f ); ///< Default distance to travel in pixels for scroll update signal
GetImpl(effect).Attach(self);
}
-Toolkit::ScrollViewEffect ScrollView::ApplyEffect(Toolkit::ScrollView::PageEffect effect)
-{
- Toolkit::ScrollViewEffect scrollEffect;
- switch(effect)
- {
- case Toolkit::ScrollView::PageEffectNone:
- {
- break;
- }
- case Toolkit::ScrollView::PageEffectOuterCube:
- {
- Toolkit::ScrollViewCustomEffect customEffect;
- scrollEffect = customEffect = Toolkit::ScrollViewCustomEffect::New();
- Vector2 pageSize = Stage::GetCurrent().GetSize();
- // set the page translation to the slide off distance, also add an extra value to space the pages, having a smaller spacing on translationOut will allow the spacing to reduce over time
- // the page moving onto screen will start 50.0f further out (1.0f * 50.0f) and the spacing will reduce as its position reaches the centre (0.0f * 50.0f)
- // the page moving off screen will slowly build a spacing from 0.0f to 20.0f
- // the spacing from each page is added together for the final spacing between the two pages.
- customEffect.SetPageTranslation(Vector3(pageSize.x, pageSize.y, 0) + Vector3(50.0f, 50.0f, 0.0f), Vector3(pageSize.x, pageSize.y, 0) + Vector3(20.0f, 20.0f, 0.0f));
- customEffect.SetSwingAngleOut(ANGLE_CUSTOM_CUBE_SWING.x, Vector3(0.0f, -1.0f, 0.0f));
- customEffect.SetSwingAnchor(AnchorPoint::CENTER, AnchorPoint::CENTER_LEFT);
- customEffect.SetOpacityThreshold(0.7f);
- break;
- }
- case Toolkit::ScrollView::PageEffectDepth:
- {
- Toolkit::ScrollViewCustomEffect customEffect;
- scrollEffect = customEffect = Toolkit::ScrollViewCustomEffect::New();
- break;
- }
- case Toolkit::ScrollView::PageEffectInnerCube:
- {
- Toolkit::ScrollViewCustomEffect customEffect;
- scrollEffect = customEffect = Toolkit::ScrollViewCustomEffect::New();
- customEffect.SetPageSpacing(Vector2(30.0f, 30.0f));
- customEffect.SetAngledOriginPageRotation(ANGLE_CUBE_PAGE_ROTATE);
- customEffect.SetSwingAngle(ANGLE_CUBE_PAGE_ROTATE.x, Vector3(0,-1,0));
- customEffect.SetOpacityThreshold(0.5f);
- break;
- }
- case Toolkit::ScrollView::PageEffectCarousel:
- {
- Toolkit::ScrollViewCustomEffect customEffect;
- scrollEffect = customEffect = Toolkit::ScrollViewCustomEffect::New();
- customEffect.SetPageTranslation(Vector3(0,0,0), Vector3(-30, 0, 0));
- customEffect.SetPageSpacing(Vector2(60.0f, 60.0f));
- customEffect.SetAngledOriginPageRotation(-ANGLE_CUBE_PAGE_ROTATE);
- customEffect.SetOpacityThreshold(0.2f, 0.6f);
- break;
- }
- case Toolkit::ScrollView::PageEffectSpiral:
- {
- Toolkit::ScrollViewCustomEffect customEffect;
- scrollEffect = customEffect = Toolkit::ScrollViewCustomEffect::New();
-
- Vector2 pageSize = Stage::GetCurrent().GetSize();
- customEffect.SetSwingAngle(-ANGLE_SPIRAL_SWING_IN.x, Vector3(0.0f, -1.0f, 0.0f), ANGLE_SPIRAL_SWING_OUT.x, Vector3(0.0f, -1.0f, 0.0f));
- //customEffect.SetSwingAngleAlphaFunctionOut(AlphaFunctions::EaseOut);
- customEffect.SetSwingAnchor(AnchorPoint::CENTER_RIGHT);
- customEffect.SetPageTranslation(Vector3(pageSize.x, pageSize.y, 0) + Vector3(100.0f, 100.0f, 0.0f), Vector3(pageSize.x, pageSize.y, -pageSize.y * 2.0f) * 0.33f);
- //customEffect.SetPageTranslateAlphaFunctionOut(AlphaFunctions::EaseOut);
- customEffect.SetOpacityThreshold(0.75f, 0.6f);
- customEffect.SetOpacityAlphaFunctionIn(AlphaFunctions::EaseInOut);
- break;
- }
- default:
- {
- DALI_ASSERT_DEBUG(0 && "unknown scroll view effect");
- }
- }
- RemoveConstraintsFromChildren();
- if(scrollEffect)
- {
- ApplyEffect(scrollEffect);
- }
- return scrollEffect;
-}
-
void ScrollView::RemoveEffect(Toolkit::ScrollViewEffect effect)
{
Dali::Toolkit::ScrollView self = Dali::Toolkit::ScrollView::DownCast(Self());
void ScrollView::TransformTo(const Vector3& position,
DirectionBias horizontalBias, DirectionBias verticalBias)
{
- TransformTo(position, mSnapDuration, horizontalBias, verticalBias);
+ TransformTo(position, mSnapDuration, mSnapAlphaFunction, horizontalBias, verticalBias);
}
-void ScrollView::TransformTo(const Vector3& position, float duration,
+void ScrollView::TransformTo(const Vector3& position, float duration, AlphaFunction alpha,
DirectionBias horizontalBias, DirectionBias verticalBias)
{
Actor self( Self() );
{
// set mScrolling to false, in case user has code that interrogates mScrolling Getter() in complete.
mScrolling = false;
- DALI_LOG_SCROLL_STATE("[0x%X] mScrollCompletedSignalV2 1 [%.2f, %.2f]", this, currentScrollPosition.x, currentScrollPosition.y);
- mScrollCompletedSignalV2.Emit( currentScrollPosition );
+ DALI_LOG_SCROLL_STATE("[0x%X] mScrollCompletedSignal 1 [%.2f, %.2f]", this, currentScrollPosition.x, currentScrollPosition.y);
+ mScrollCompletedSignal.Emit( currentScrollPosition );
}
if( mPanning ) // are we interrupting a current pan?
self.SetProperty(mPropertyScrolling, true);
mScrolling = true;
- DALI_LOG_SCROLL_STATE("[0x%X] mScrollStartedSignalV2 1 [%.2f, %.2f]", this, currentScrollPosition.x, currentScrollPosition.y);
- mScrollStartedSignalV2.Emit( currentScrollPosition );
+ DALI_LOG_SCROLL_STATE("[0x%X] mScrollStartedSignal 1 [%.2f, %.2f]", this, currentScrollPosition.x, currentScrollPosition.y);
+ mScrollStartedSignal.Emit( currentScrollPosition );
bool animating = AnimateTo(-position,
Vector3::ONE * duration,
- mSnapAlphaFunction,
+ alpha,
true,
horizontalBias,
verticalBias,
completedPosition = position;
}
- DALI_LOG_SCROLL_STATE("[0x%X] mScrollCompletedSignalV2 2 [%.2f, %.2f]", this, completedPosition.x, completedPosition.y);
+ DALI_LOG_SCROLL_STATE("[0x%X] mScrollCompletedSignal 2 [%.2f, %.2f]", this, completedPosition.x, completedPosition.y);
SetScrollUpdateNotification(false);
- mScrollCompletedSignalV2.Emit( completedPosition );
+ mScrollCompletedSignal.Emit( completedPosition );
}
}
ScrollTo(position, duration, DirectionBiasNone, DirectionBiasNone);
}
+void ScrollView::ScrollTo(const Vector3& position, float duration, AlphaFunction alpha)
+{
+ ScrollTo(position, duration, alpha, DirectionBiasNone, DirectionBiasNone);
+}
+
void ScrollView::ScrollTo(const Vector3& position, float duration,
DirectionBias horizontalBias, DirectionBias verticalBias)
{
- DALI_LOG_SCROLL_STATE("[0x%X] position[%.2f, %.2f] duration[%.2f]",
- this, position.x, position.y, duration, int(horizontalBias), int(verticalBias));
+ ScrollTo(position, duration, mSnapAlphaFunction, horizontalBias, verticalBias);
+}
- TransformTo(position, duration, horizontalBias, verticalBias);
+void ScrollView::ScrollTo(const Vector3& position, float duration, AlphaFunction alpha,
+ DirectionBias horizontalBias, DirectionBias verticalBias)
+{
+ DALI_LOG_SCROLL_STATE("[0x%X] position[%.2f, %.2f] duration[%.2f], bias[%d, %d]", this, position.x, position.y, duration, int(horizontalBias), int(verticalBias));
+ TransformTo(position, duration, alpha, horizontalBias, verticalBias);
}
void ScrollView::ScrollTo(unsigned int page)
}
}
}
- positionSnap += clampDelta;
+
+ if(IsScrollComponentEnabled(Toolkit::Scrollable::OvershootIndicator))
+ {
+ // Scroll to the end of the overshoot only when overshoot is enabled.
+ positionSnap += clampDelta;
+ }
bool animating = AnimateTo(positionSnap, positionDuration,
alphaFunction, false,
snapEvent.position = -mScrollTargetPosition;
snapEvent.duration = totalDuration;
- DALI_LOG_SCROLL_STATE("[0x%X] mSnapStartedSignalV2 [%.2f, %.2f]", this, snapEvent.position.x, snapEvent.position.y);
- mSnapStartedSignalV2.Emit( snapEvent );
+ DALI_LOG_SCROLL_STATE("[0x%X] mSnapStartedSignal [%.2f, %.2f]", this, snapEvent.position.x, snapEvent.position.y);
+ mSnapStartedSignal.Emit( snapEvent );
return (mScrollStateFlags & SCROLL_ANIMATION_FLAGS) != 0;
}
}
if( enabled )
{
- mMaxOvershoot = OVERSCROLL_CLAMP;
mOvershootIndicator->AttachToScrollable(*this);
}
else
panGesture.RemoveDirection( direction );
}
-Toolkit::ScrollView::SnapStartedSignalV2& ScrollView::SnapStartedSignal()
+Toolkit::ScrollView::SnapStartedSignalType& ScrollView::SnapStartedSignal()
{
- return mSnapStartedSignalV2;
+ return mSnapStartedSignal;
}
void ScrollView::FindAndUnbindActor(Actor child)
self.SetProperty(mPropertyPrePosition, mScrollPrePosition);
Vector3 currentScrollPosition = GetCurrentScrollPosition();
- DALI_LOG_SCROLL_STATE("[0x%X] mScrollCompletedSignalV2 3 current[%.2f, %.2f], mScrollTargetPosition[%.2f, %.2f]", this, currentScrollPosition.x, currentScrollPosition.y, -mScrollTargetPosition.x, -mScrollTargetPosition.y );
- mScrollCompletedSignalV2.Emit( currentScrollPosition );
+ DALI_LOG_SCROLL_STATE("[0x%X] mScrollCompletedSignal 3 current[%.2f, %.2f], mScrollTargetPosition[%.2f, %.2f]", this, currentScrollPosition.x, currentScrollPosition.y, -mScrollTargetPosition.x, -mScrollTargetPosition.y );
+ mScrollCompletedSignal.Emit( currentScrollPosition );
mDomainOffset += deltaPosition - mScrollPostPosition;
self.SetProperty(mPropertyDomainOffset, mDomainOffset);
Toolkit::ScrollView handle( GetOwner() );
Vector3 currentScrollPosition = GetCurrentScrollPosition();
- mScrollUpdatedSignalV2.Emit( currentScrollPosition );
+ mScrollUpdatedSignal.Emit( currentScrollPosition );
}
bool ScrollView::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
UpdateLocalScrollProperties();
Vector3 currentScrollPosition = GetCurrentScrollPosition();
- DALI_LOG_SCROLL_STATE("[0x%X] mScrollCompletedSignalV2 4 [%.2f, %.2f]", this, currentScrollPosition.x, currentScrollPosition.y);
- mScrollCompletedSignalV2.Emit( currentScrollPosition );
+ DALI_LOG_SCROLL_STATE("[0x%X] mScrollCompletedSignal 4 [%.2f, %.2f]", this, currentScrollPosition.x, currentScrollPosition.y);
+ mScrollCompletedSignal.Emit( currentScrollPosition );
}
}
mScrolling = false;
// send negative scroll position since scroll internal scroll position works as an offset for actors,
// give applications the position within the domain from the scroll view's anchor position
- DALI_LOG_SCROLL_STATE("[0x%X] mScrollCompletedSignalV2 5 [%.2f, %.2f]", this, -mScrollPostPosition.x, -mScrollPostPosition.y);
- mScrollCompletedSignalV2.Emit( -mScrollPostPosition );
+ DALI_LOG_SCROLL_STATE("[0x%X] mScrollCompletedSignal 5 [%.2f, %.2f]", this, -mScrollPostPosition.x, -mScrollPostPosition.y);
+ mScrollCompletedSignal.Emit( -mScrollPostPosition );
}
}
}
// TODO: Upgrade to use a more powerful gesture detector (one that supports multiple touches on pan - so works as pan and flick gesture)
// BUG: Gesture::Finished doesn't always return velocity on release (due to
// timeDelta between last two events being 0 sometimes, or posiiton being the same)
-void ScrollView::OnPan(PanGesture gesture)
+void ScrollView::OnPan( const PanGesture& gesture )
{
// Guard against destruction during signal emission
// Note that Emit() methods are called indirectly e.g. from within ScrollView::OnGestureEx()
Vector3 currentScrollPosition = GetCurrentScrollPosition();
Self().SetProperty(mPropertyScrolling, true);
mScrolling = true;
- DALI_LOG_SCROLL_STATE("[0x%X] mScrollStartedSignalV2 2 [%.2f, %.2f]", this, currentScrollPosition.x, currentScrollPosition.y);
- mScrollStartedSignalV2.Emit( currentScrollPosition );
+ DALI_LOG_SCROLL_STATE("[0x%X] mScrollStartedSignal 2 [%.2f, %.2f]", this, currentScrollPosition.x, currentScrollPosition.y);
+ mScrollStartedSignal.Emit( currentScrollPosition );
}
else if( (state == Gesture::Finished) ||
(state == Gesture::Cancelled) ) // Finished/default
SnapInternalYTo(mScrollTargetPosition.y);
}
Vector3 currentScrollPosition = GetCurrentScrollPosition();
- DALI_LOG_SCROLL_STATE("[0x%X] mScrollCompletedSignalV2 6 [%.2f, %.2f]", this, currentScrollPosition.x, currentScrollPosition.y);
- mScrollCompletedSignalV2.Emit( currentScrollPosition );
+ DALI_LOG_SCROLL_STATE("[0x%X] mScrollCompletedSignal 6 [%.2f, %.2f]", this, currentScrollPosition.x, currentScrollPosition.y);
+ mScrollCompletedSignal.Emit( currentScrollPosition );
}
}
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