1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 18package android.support.v4.widget; 19 20import android.content.Context; 21import android.view.animation.Interpolator; 22import android.widget.OverScroller; 23 24class ScrollerCompatGingerbread { 25 public static Object createScroller(Context context, Interpolator interpolator) { 26 return interpolator != null ? 27 new OverScroller(context, interpolator) : new OverScroller(context); 28 } 29 30 public static boolean isFinished(Object scroller) { 31 return ((OverScroller) scroller).isFinished(); 32 } 33 34 public static int getCurrX(Object scroller) { 35 return ((OverScroller) scroller).getCurrX(); 36 } 37 38 public static int getCurrY(Object scroller) { 39 return ((OverScroller) scroller).getCurrY(); 40 } 41 42 public static boolean computeScrollOffset(Object scroller) { 43 return ((OverScroller) scroller).computeScrollOffset(); 44 } 45 46 public static void startScroll(Object scroller, int startX, int startY, int dx, int dy) { 47 ((OverScroller) scroller).startScroll(startX, startY, dx, dy); 48 } 49 50 public static void startScroll(Object scroller, int startX, int startY, int dx, int dy, 51 int duration) { 52 ((OverScroller) scroller).startScroll(startX, startY, dx, dy, duration); 53 } 54 55 public static void fling(Object scroller, int startX, int startY, int velX, int velY, 56 int minX, int maxX, int minY, int maxY) { 57 ((OverScroller) scroller).fling(startX, startY, velX, velY, minX, maxX, minY, maxY); 58 } 59 60 public static void fling(Object scroller, int startX, int startY, int velX, int velY, 61 int minX, int maxX, int minY, int maxY, int overX, int overY) { 62 ((OverScroller) scroller).fling(startX, startY, velX, velY, 63 minX, maxX, minY, maxY, overX, overY); 64 } 65 66 public static void abortAnimation(Object scroller) { 67 ((OverScroller) scroller).abortAnimation(); 68 } 69 70 public static void notifyHorizontalEdgeReached(Object scroller, int startX, int finalX, 71 int overX) { 72 ((OverScroller) scroller).notifyHorizontalEdgeReached(startX, finalX, overX); 73 } 74 75 public static void notifyVerticalEdgeReached(Object scroller, int startY, int finalY, int overY) { 76 ((OverScroller) scroller).notifyVerticalEdgeReached(startY, finalY, overY); 77 } 78 79 public static boolean isOverScrolled(Object scroller) { 80 return ((OverScroller) scroller).isOverScrolled(); 81 } 82 83 public static int getFinalX(Object scroller) { 84 return ((OverScroller) scroller).getFinalX(); 85 } 86 87 public static int getFinalY(Object scroller) { 88 return ((OverScroller) scroller).getFinalY(); 89 } 90 91 public static boolean springBack(Object scroller, int startX, int startY, int minX, int maxX, 92 int minY, int maxY) { 93 return ((OverScroller) scroller).springBack(startX, startY, minX, maxX, minY, maxY); 94 } 95} 96