2 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali-toolkit/internal/controls/scrollable/scroll-view/scroll-view-page-path-effect-impl.h>
22 #include <dali-toolkit/public-api/controls/scrollable/scroll-view/scroll-view.h>
33 ScrollViewPagePathEffect::ScrollViewPagePathEffect(Path path, const Vector3& forward, Dali::Property::Index inputPropertyIndex, const Vector3& pageSize, unsigned int pageCount)
35 mInputPropertyIndex(inputPropertyIndex),
38 //Create path constrainer
39 mPathConstrainer = Dali::PathConstrainer::New();
40 mPathConstrainer.SetProperty( PathConstrainer::Property::FORWARD, forward );
42 Dali::Property::Value pointsProperty = path.GetProperty(Path::Property::POINTS);
43 Property::Array points;
44 pointsProperty.Get(points);
45 mPathConstrainer.SetProperty( PathConstrainer::Property::POINTS, points );
47 pointsProperty = path.GetProperty(Path::Property::CONTROL_POINTS);
48 pointsProperty.Get(points);
49 mPathConstrainer.SetProperty( PathConstrainer::Property::CONTROL_POINTS, points );
51 //Create linear constrainer
52 Property::Array pointsLinearConstrainer;
53 pointsProperty = Property::Value(pointsLinearConstrainer);
54 pointsProperty.AppendItem(0.0f);
55 pointsProperty.AppendItem(1.0f);
56 pointsProperty.AppendItem(0.0f);
57 mLinearConstrainer = Dali::LinearConstrainer::New();
58 mLinearConstrainer.SetProperty( LinearConstrainer::Property::VALUE, pointsProperty );
61 ScrollViewPagePathEffect::~ScrollViewPagePathEffect()
65 void ScrollViewPagePathEffect::ApplyToPage( Actor page, unsigned int pageOrder )
67 float pageHalfSize = mPageSize.x * 0.5f;
68 Vector2 range = Vector2( pageHalfSize - (pageHalfSize*pageOrder), -pageHalfSize - (pageHalfSize*pageOrder) );
69 Vector2 wrap = Vector2( range.x, -pageHalfSize*(mPageCount-2) + range.y);
71 Toolkit::ScrollView scrollView = GetScrollView();
74 mPathConstrainer.Apply( Dali::Property( page, Dali::Actor::Property::POSITION ),
75 Dali::Property( scrollView, mInputPropertyIndex),
80 mPathConstrainer.Apply( Dali::Property( page, Dali::Actor::Property::ORIENTATION ),
81 Dali::Property( scrollView, mInputPropertyIndex ),
86 mLinearConstrainer.Apply( Dali::Property( page, Dali::Actor::Property::COLOR_ALPHA ),
87 Dali::Property( scrollView, mInputPropertyIndex ),
93 void ScrollViewPagePathEffect::OnAttach(Toolkit::ScrollView& scrollView)
97 void ScrollViewPagePathEffect::OnDetach(Toolkit::ScrollView& scrollView)
101 } // namespace Internal
103 } // namespace Toolkit