-//
-// 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) 2014 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/scrollable/item-view/item-view-impl.h>
#include <dali/public-api/events/mouse-wheel-event.h>
#include <dali-toolkit/public-api/controls/scrollable/item-view/item-factory.h>
#include <dali-toolkit/internal/controls/scrollable/scroll-connector-impl.h>
+#include <dali-toolkit/internal/controls/scrollable/bouncing-effect-actor.h>
using namespace std;
using namespace Dali;
const float MILLISECONDS_PER_SECONDS = 1000.0f;
-const char* OVERSHOOT_OVERLAY_RIPPLE_IMAGE_PATH = DALI_IMAGE_DIR "overshoot_ripple.png";
-const Rect<int> OVERSHOOT_BOUNCE_IMAGE_1_PIXEL_AREA( 0, 0, 720, 58 );
+const Vector2 OVERSHOOT_BOUNCE_ACTOR_DEFAULT_SIZE( 720.0f, 42.0f );
+const float OVERSHOOT_BOUNCE_ACTOR_RESIZE_THRESHOLD = 180.0f;
const Vector4 OVERSHOOT_OVERLAY_NINE_PATCH_BORDER(0.0f, 0.0f, 1.0f, 12.0f);
const float MAXIMUM_OVERSHOOT_HEIGHT = 36.0f; // 36 pixels
const float DEFAULT_OVERSHOOT_ANIMATION_DURATION = 0.5f; // 0.5 second
struct OvershootOverlaySizeConstraint
{
- float operator()(const float& current,
+ Vector3 operator()(const Vector3& current,
const PropertyInput& parentScrollDirectionProperty,
const PropertyInput& parentOvershootProperty,
const PropertyInput& parentSizeProperty)
overlayWidth = fabsf(parentScrollDirection.x) > Math::MACHINE_EPSILON_1 ? parentSize.y : parentSize.x;
}
- return overlayWidth;
+ float overlayHeight = (overlayWidth > OVERSHOOT_BOUNCE_ACTOR_RESIZE_THRESHOLD) ? OVERSHOOT_BOUNCE_ACTOR_DEFAULT_SIZE.height : OVERSHOOT_BOUNCE_ACTOR_DEFAULT_SIZE.height*0.5f;
+
+ return Vector3( overlayWidth, overlayHeight, current.depth );
}
};
mIsFlicking(false),
mGestureState(Gesture::Clear),
mAddingItems(false),
- mRefreshEnabled(true)
+ mRefreshEnabled(true),
+ mItemsParentOrigin( ParentOrigin::CENTER),
+ mItemsAnchorPoint( AnchorPoint::CENTER)
{
SetRequiresMouseWheelEvents(true);
SetKeyboardNavigationSupport(true);
Actor self = Self();
- mOvershootEffect = OvershootRippleEffect::New();
- Image overshootImage = Image::New( OVERSHOOT_OVERLAY_RIPPLE_IMAGE_PATH );
- mOvershootOverlay = ImageActor::New( overshootImage );
- mOvershootOverlay.SetParentOrigin(ParentOrigin::TOP_LEFT);
- mOvershootOverlay.SetAnchorPoint(AnchorPoint::TOP_LEFT);
- mOvershootOverlay.SetDrawMode(DrawMode::OVERLAY);
- mOvershootOverlay.SetShaderEffect(mOvershootEffect);
- mOvershootOverlay.SetPixelArea(OVERSHOOT_BOUNCE_IMAGE_1_PIXEL_AREA);
- self.Add(mOvershootOverlay);
-
mScrollConnector = Dali::Toolkit::ScrollConnector::New();
mScrollPositionObject = mScrollConnector.GetScrollPositionObject();
mPropertyPosition = self.RegisterProperty(POSITION_PROPERTY_NAME, 0.0f);
mPropertyScrollSpeed = self.RegisterProperty(SCROLL_SPEED_PROPERTY_NAME, 0.0f);
- ApplyOvershootOverlayConstraints();
+ EnableScrollComponent(Toolkit::Scrollable::OvershootIndicator);
Constraint constraint = Constraint::New<Vector3>(mPropertyRelativePosition,
LocalSource(mPropertyPosition),
if (scrollAnimationNeeded)
{
RemoveAnimation(mScrollAnimation);
- mScrollAnimation = Animation::New(mAnchoringDuration);
+ mScrollAnimation = Animation::New(durationSeconds);
mScrollAnimation.AnimateTo( Property( mScrollPositionObject, ScrollConnector::SCROLL_POSITION ), firstItemScrollPosition, AlphaFunctions::EaseOut );
mScrollAnimation.AnimateTo( Property(self, mPropertyPosition), GetScrollPosition(firstItemScrollPosition, targetSize), AlphaFunctions::EaseOut );
mScrollAnimation.Play();
if( removeIter != mItemPool.end() )
{
- Self().Remove( removeIter->second );
+ ReleaseActor(itemId, removeIter->second);
+
removed = true;
// Adjust the remaining item IDs, for example if item 2 is removed:
const ItemPoolIter iter = mItemPool.find( replacementItem.first );
if( mItemPool.end() != iter )
{
- Self().Remove( iter->second );
+ ReleaseActor(iter->first, iter->second);
iter->second = replacementItem.second;
}
else
if( ! range.Within( current ) )
{
- Self().Remove( iter->second );
+ ReleaseActor(iter->first, iter->second);
mItemPool.erase( iter++ ); // erase invalidates the return value of post-increment; iter remains valid
}
void ItemView::SetupActor( Item item, float durationSeconds )
{
- item.second.SetParentOrigin( ParentOrigin::CENTER );
- item.second.SetAnchorPoint( AnchorPoint::CENTER );
+ item.second.SetParentOrigin( mItemsParentOrigin );
+ item.second.SetAnchorPoint( mItemsAnchorPoint );
if( mActiveLayout )
{
}
}
+void ItemView::ReleaseActor( ItemId item, Actor actor )
+{
+ Self().Remove( actor );
+ mItemFactory.ItemReleased(item, actor);
+}
+
ItemRange ItemView::GetItemRange(ItemLayout& layout, const Vector3& layoutSize, float layoutPosition, bool reserveExtra)
{
unsigned int itemCount = mItemFactory.GetNumberOfItems();
{
Actor self = Self();
const Vector3 layoutSize = Self().GetCurrentSize();
- float layoutPositionDelta = GetCurrentLayoutPosition(0) + (event.z * mMouseWheelScrollDistanceStep * mActiveLayout->GetScrollSpeedFactor());
+ float layoutPositionDelta = GetCurrentLayoutPosition(0) - (event.z * mMouseWheelScrollDistanceStep * mActiveLayout->GetScrollSpeedFactor());
float firstItemScrollPosition = ClampFirstItemPosition(layoutPositionDelta, layoutSize, *mActiveLayout);
mScrollPositionObject.SetProperty( ScrollConnector::SCROLL_POSITION, firstItemScrollPosition );
case Gesture::Continuing:
{
mScrollDistance = CalculateScrollDistance(gesture.displacement, *mActiveLayout);
- mScrollSpeed = Clamp((gesture.GetSpeed() * mActiveLayout->GetScrollSpeedFactor() * MILLISECONDS_PER_SECONDS), 0.0f, mActiveLayout->GetMaximumSwipeSpeed());
+ mScrollSpeed = Clamp((gesture.GetSpeed() * mActiveLayout->GetFlickSpeedFactor() * MILLISECONDS_PER_SECONDS), 0.0f, mActiveLayout->GetMaximumSwipeSpeed());
// Refresh order depends on the direction of the scroll; negative is towards the last item.
mRefreshOrderHint = mScrollDistance < 0.0f;
- RemoveAnimation(mScrollSpeedAnimation);
- mScrollSpeedAnimation = Animation::New(0.3f);
- mScrollSpeedAnimation.AnimateTo( Property(self, mPropertyScrollSpeed), mScrollSpeed, AlphaFunctions::Linear );
- mScrollSpeedAnimation.Play();
-
float layoutPositionDelta = GetCurrentLayoutPosition(0) + (mScrollDistance * mActiveLayout->GetScrollSpeedFactor());
float firstItemScrollPosition = ClampFirstItemPosition(layoutPositionDelta, layoutSize, *mActiveLayout);
return true;
}
-Actor ItemView::GetNextKeyboardFocusableActor(Actor actor, Control::KeyboardFocusNavigationDirection direction, bool loopEnabled)
+Actor ItemView::GetNextKeyboardFocusableActor(Actor actor, Toolkit::Control::KeyboardFocusNavigationDirection direction, bool loopEnabled)
{
Actor nextFocusActor;
if(mActiveLayout)
mScrollStartedSignalV2.Emit(GetCurrentScrollPosition());
}
-void ItemView::ApplyOvershootOverlayConstraints()
+void ItemView::SetOvershootEffectColor( const Vector4& color )
{
- Constraint constraint = Constraint::New<float>( Actor::SIZE_WIDTH,
- ParentSource( mPropertyScrollDirection ),
- Source( mScrollPositionObject, ScrollConnector::OVERSHOOT ),
- ParentSource( Actor::SIZE ),
- OvershootOverlaySizeConstraint() );
- mOvershootOverlay.ApplyConstraint(constraint);
- mOvershootOverlay.SetSize(OVERSHOOT_BOUNCE_IMAGE_1_PIXEL_AREA.width, OVERSHOOT_BOUNCE_IMAGE_1_PIXEL_AREA.height);
+ mOvershootEffectColor = color;
+ if( mOvershootOverlay )
+ {
+ mOvershootOverlay.SetColor( color );
+ }
+}
- constraint = Constraint::New<Quaternion>( Actor::ROTATION,
- ParentSource( mPropertyScrollDirection ),
- Source( mScrollPositionObject, ScrollConnector::OVERSHOOT ),
- OvershootOverlayRotationConstraint() );
- mOvershootOverlay.ApplyConstraint(constraint);
+void ItemView::SetOvershootEnabled( bool enable )
+{
+ Actor self = Self();
+ if( enable )
+ {
+ Property::Index effectOvershootPropertyIndex = Property::INVALID_INDEX;
+ mOvershootOverlay = CreateBouncingEffectActor( effectOvershootPropertyIndex );
+ mOvershootOverlay.SetColor(mOvershootEffectColor);
+ mOvershootOverlay.SetParentOrigin(ParentOrigin::TOP_LEFT);
+ mOvershootOverlay.SetAnchorPoint(AnchorPoint::TOP_LEFT);
+ mOvershootOverlay.SetDrawMode(DrawMode::OVERLAY);
+ self.Add(mOvershootOverlay);
+
+ Constraint constraint = Constraint::New<Vector3>( Actor::SIZE,
+ ParentSource( mPropertyScrollDirection ),
+ Source( mScrollPositionObject, ScrollConnector::OVERSHOOT ),
+ ParentSource( Actor::SIZE ),
+ OvershootOverlaySizeConstraint() );
+ mOvershootOverlay.ApplyConstraint(constraint);
+ mOvershootOverlay.SetSize(OVERSHOOT_BOUNCE_ACTOR_DEFAULT_SIZE.width, OVERSHOOT_BOUNCE_ACTOR_DEFAULT_SIZE.height);
+
+ constraint = Constraint::New<Quaternion>( Actor::ROTATION,
+ ParentSource( mPropertyScrollDirection ),
+ Source( mScrollPositionObject, ScrollConnector::OVERSHOOT ),
+ OvershootOverlayRotationConstraint() );
+ mOvershootOverlay.ApplyConstraint(constraint);
+
+ constraint = Constraint::New<Vector3>( Actor::POSITION,
+ ParentSource( Actor::SIZE ),
+ ParentSource( mPropertyScrollDirection ),
+ Source( mScrollPositionObject, ScrollConnector::OVERSHOOT ),
+ OvershootOverlayPositionConstraint() );
+ mOvershootOverlay.ApplyConstraint(constraint);
+
+ constraint = Constraint::New<bool>( Actor::VISIBLE,
+ ParentSource( mPropertyCanScrollVertical ),
+ OvershootOverlayVisibilityConstraint() );
+ mOvershootOverlay.ApplyConstraint(constraint);
- constraint = Constraint::New<Vector3>( Actor::POSITION,
- ParentSource( Actor::SIZE ),
- ParentSource( mPropertyScrollDirection ),
+ Actor self = Self();
+ constraint = Constraint::New<float>( effectOvershootPropertyIndex,
Source( mScrollPositionObject, ScrollConnector::OVERSHOOT ),
- OvershootOverlayPositionConstraint() );
- mOvershootOverlay.ApplyConstraint(constraint);
-
- constraint = Constraint::New<bool>( Actor::VISIBLE,
- ParentSource( mPropertyCanScrollVertical ),
- OvershootOverlayVisibilityConstraint() );
- mOvershootOverlay.ApplyConstraint(constraint);
-
- int effectOvershootPropertyIndex = mOvershootEffect.GetPropertyIndex(mOvershootEffect.GetOvershootPropertyName());
- Actor self = Self();
- constraint = Constraint::New<float>( effectOvershootPropertyIndex,
- Source( mScrollPositionObject, ScrollConnector::OVERSHOOT ),
- EqualToConstraint() );
- mOvershootEffect.ApplyConstraint(constraint);
+ EqualToConstraint() );
+ mOvershootOverlay.ApplyConstraint(constraint);
+ }
+ else
+ {
+ if( mOvershootOverlay )
+ {
+ self.Remove(mOvershootOverlay);
+ mOvershootOverlay.Reset();
+ }
+ }
}
float ItemView::CalculateScrollOvershoot()
mAnimatingOvershootOn = animatingOn;
}
+void ItemView::SetItemsParentOrigin( const Vector3& parentOrigin )
+{
+ if( parentOrigin != mItemsParentOrigin )
+ {
+ mItemsParentOrigin = parentOrigin;
+ for (ItemPoolIter iter = mItemPool.begin(); iter != mItemPool.end(); ++iter)
+ {
+ iter->second.SetParentOrigin(parentOrigin);
+ }
+ }
+}
+
+Vector3 ItemView::GetItemsParentOrigin() const
+{
+ return mItemsParentOrigin;
+}
+
+void ItemView::SetItemsAnchorPoint( const Vector3& anchorPoint )
+{
+ if( anchorPoint != mItemsAnchorPoint )
+ {
+ mItemsAnchorPoint = anchorPoint;
+ for (ItemPoolIter iter = mItemPool.begin(); iter != mItemPool.end(); ++iter)
+ {
+ iter->second.SetAnchorPoint(anchorPoint);
+ }
+ }
+}
+
+Vector3 ItemView::GetItemsAnchorPoint() const
+{
+ return mItemsAnchorPoint;
+}
+
+void ItemView::GetItemsRange(ItemRange& range)
+{
+ range.begin = mItemPool.begin()->first;
+ range.end = mItemPool.rbegin()->first + 1;
+}
+
} // namespace Internal
} // namespace Toolkit
projects / platform / core / uifw / dali-toolkit.git / blobdiff