19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.view.animation; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An animation that controls the position of an object. See the 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.view.animation full package} description for details and 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * sample code. 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class TranslateAnimation extends Animation { 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mFromXType = ABSOLUTE; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mToXType = ABSOLUTE; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mFromYType = ABSOLUTE; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mToYType = ABSOLUTE; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mFromXValue = 0.0f; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mToXValue = 0.0f; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mFromYValue = 0.0f; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mToYValue = 0.0f; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mFromXDelta; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mToXDelta; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mFromYDelta; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private float mToYDelta; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor used when a TranslateAnimation is loaded from a resource. 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context Application context to use 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs Attribute set from which to read values 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TranslateAnimation(Context context, AttributeSet attrs) { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.TranslateAnimation); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Description d = Description.parseValue(a.peekValue( 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.TranslateAnimation_fromXDelta)); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromXType = d.type; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromXValue = d.value; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d = Description.parseValue(a.peekValue( 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.TranslateAnimation_toXDelta)); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToXType = d.type; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToXValue = d.value; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d = Description.parseValue(a.peekValue( 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.TranslateAnimation_fromYDelta)); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromYType = d.type; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromYValue = d.value; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d = Description.parseValue(a.peekValue( 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.TranslateAnimation_toYDelta)); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToYType = d.type; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToYValue = d.value; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8341df3851287361a377203fb5ad4397475831eb27The Android Open Source Project * Constructor to use when building a TranslateAnimation from code 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fromXDelta Change in X coordinate to apply at the start of the 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param toXDelta Change in X coordinate to apply at the end of the 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fromYDelta Change in Y coordinate to apply at the start of the 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param toYDelta Change in Y coordinate to apply at the end of the 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TranslateAnimation(float fromXDelta, float toXDelta, float fromYDelta, float toYDelta) { 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromXValue = fromXDelta; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToXValue = toXDelta; 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromYValue = fromYDelta; 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToYValue = toYDelta; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromXType = ABSOLUTE; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToXType = ABSOLUTE; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromYType = ABSOLUTE; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToYType = ABSOLUTE; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10741df3851287361a377203fb5ad4397475831eb27The Android Open Source Project * Constructor to use when building a TranslateAnimation from code 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fromXType Specifies how fromXValue should be interpreted. One of 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Animation.ABSOLUTE, Animation.RELATIVE_TO_SELF, or 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Animation.RELATIVE_TO_PARENT. 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fromXValue Change in X coordinate to apply at the start of the 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation. This value can either be an absolute number if fromXType 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is ABSOLUTE, or a percentage (where 1.0 is 100%) otherwise. 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param toXType Specifies how toXValue should be interpreted. One of 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Animation.ABSOLUTE, Animation.RELATIVE_TO_SELF, or 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Animation.RELATIVE_TO_PARENT. 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param toXValue Change in X coordinate to apply at the end of the 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation. This value can either be an absolute number if toXType 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is ABSOLUTE, or a percentage (where 1.0 is 100%) otherwise. 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fromYType Specifies how fromYValue should be interpreted. One of 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Animation.ABSOLUTE, Animation.RELATIVE_TO_SELF, or 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Animation.RELATIVE_TO_PARENT. 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fromYValue Change in Y coordinate to apply at the start of the 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation. This value can either be an absolute number if fromYType 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is ABSOLUTE, or a percentage (where 1.0 is 100%) otherwise. 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param toYType Specifies how toYValue should be interpreted. One of 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Animation.ABSOLUTE, Animation.RELATIVE_TO_SELF, or 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Animation.RELATIVE_TO_PARENT. 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param toYValue Change in Y coordinate to apply at the end of the 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * animation. This value can either be an absolute number if toYType 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is ABSOLUTE, or a percentage (where 1.0 is 100%) otherwise. 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TranslateAnimation(int fromXType, float fromXValue, int toXType, float toXValue, 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fromYType, float fromYValue, int toYType, float toYValue) { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromXValue = fromXValue; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToXValue = toXValue; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromYValue = fromYValue; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToYValue = toYValue; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromXType = fromXType; 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToXType = toXType; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromYType = fromYType; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToYType = toYType; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void applyTransformation(float interpolatedTime, Transformation t) { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dx = mFromXDelta; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dy = mFromYDelta; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFromXDelta != mToXDelta) { 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dx = mFromXDelta + ((mToXDelta - mFromXDelta) * interpolatedTime); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFromYDelta != mToYDelta) { 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dy = mFromYDelta + ((mToYDelta - mFromYDelta) * interpolatedTime); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t.getMatrix().setTranslate(dx, dy); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void initialize(int width, int height, int parentWidth, int parentHeight) { 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.initialize(width, height, parentWidth, parentHeight); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromXDelta = resolveSize(mFromXType, mFromXValue, width, parentWidth); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToXDelta = resolveSize(mToXType, mToXValue, width, parentWidth); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFromYDelta = resolveSize(mFromYType, mFromYValue, height, parentHeight); 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mToYDelta = resolveSize(mToYType, mToYValue, height, parentHeight); 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 171