#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
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() );
mScrollStartedSignalV2.Emit( currentScrollPosition );
bool animating = AnimateTo(-position,
Vector3::ONE * duration,
- mSnapAlphaFunction,
+ alpha,
true,
horizontalBias,
verticalBias,
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]", this, position.x, position.y, duration, int(horizontalBias), int(verticalBias));
+ TransformTo(position, duration, alpha, horizontalBias, verticalBias);
}
void ScrollView::ScrollTo(unsigned int page)
// 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()