PieRenderer.java revision d560a87ef69c81e0b313898f0d673c57d89ff740
11373b98135b2854578111dd535e24d39c8853f14Michael Kolb/* 21373b98135b2854578111dd535e24d39c8853f14Michael Kolb * Copyright (C) 2012 The Android Open Source Project 31373b98135b2854578111dd535e24d39c8853f14Michael Kolb * 41373b98135b2854578111dd535e24d39c8853f14Michael Kolb * Licensed under the Apache License, Version 2.0 (the "License"); 51373b98135b2854578111dd535e24d39c8853f14Michael Kolb * you may not use this file except in compliance with the License. 61373b98135b2854578111dd535e24d39c8853f14Michael Kolb * You may obtain a copy of the License at 71373b98135b2854578111dd535e24d39c8853f14Michael Kolb * 81373b98135b2854578111dd535e24d39c8853f14Michael Kolb * http://www.apache.org/licenses/LICENSE-2.0 91373b98135b2854578111dd535e24d39c8853f14Michael Kolb * 101373b98135b2854578111dd535e24d39c8853f14Michael Kolb * Unless required by applicable law or agreed to in writing, software 111373b98135b2854578111dd535e24d39c8853f14Michael Kolb * distributed under the License is distributed on an "AS IS" BASIS, 121373b98135b2854578111dd535e24d39c8853f14Michael Kolb * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131373b98135b2854578111dd535e24d39c8853f14Michael Kolb * See the License for the specific language governing permissions and 141373b98135b2854578111dd535e24d39c8853f14Michael Kolb * limitations under the License. 151373b98135b2854578111dd535e24d39c8853f14Michael Kolb */ 161373b98135b2854578111dd535e24d39c8853f14Michael Kolb 171373b98135b2854578111dd535e24d39c8853f14Michael Kolbpackage com.android.camera.ui; 181373b98135b2854578111dd535e24d39c8853f14Michael Kolb 19c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolbimport android.annotation.TargetApi; 201373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.content.Context; 211373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.content.res.Resources; 221373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.graphics.Canvas; 231373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.graphics.Color; 241373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.graphics.Paint; 251373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.graphics.Path; 261373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.graphics.Point; 271373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.graphics.PointF; 281373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.graphics.RectF; 291373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.os.Handler; 301373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.os.Message; 31673da081181c72352d57c9bf97badb2929370685Michael Kolbimport android.util.Log; 321373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.view.MotionEvent; 331373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport android.view.View; 34c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolbimport android.view.animation.Animation; 35c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolbimport android.view.animation.Animation.AnimationListener; 36c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolbimport android.view.animation.Transformation; 371373b98135b2854578111dd535e24d39c8853f14Michael Kolb 381373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport com.android.camera.R; 39c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolbimport com.android.gallery3d.common.ApiHelper; 401373b98135b2854578111dd535e24d39c8853f14Michael Kolb 411373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport java.util.ArrayList; 421373b98135b2854578111dd535e24d39c8853f14Michael Kolbimport java.util.List; 431373b98135b2854578111dd535e24d39c8853f14Michael Kolb 448042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolbpublic class PieRenderer extends OverlayRenderer 458042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb implements FocusIndicator { 461373b98135b2854578111dd535e24d39c8853f14Michael Kolb 471373b98135b2854578111dd535e24d39c8853f14Michael Kolb private static final String TAG = "CAM Pie"; 481373b98135b2854578111dd535e24d39c8853f14Michael Kolb 49b986d1e51d776706cb3603a9c386772da6d7cf48Michael Kolb private static final long PIE_FADE_DURATION = 1500; 508042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb // Sometimes continuous autofocus starts and stops several times quickly. 518042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb // These states are used to make sure the animation is run for at least some 528042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb // time. 538042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int mState; 548042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private ScaleAnimation mAnimation = new ScaleAnimation(); 558042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private static final int STATE_IDLE = 0; 568042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private static final int STATE_FOCUSING = 1; 578042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private static final int STATE_FINISHING = 2; 588042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private static final int STATE_PIE = 3; 598042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 608042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private Runnable mDisappear = new Disappear(); 618042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private Animation.AnimationListener mEndAction = new EndAction(); 62673da081181c72352d57c9bf97badb2929370685Michael Kolb private static final int SCALING_UP_TIME = 600; 63673da081181c72352d57c9bf97badb2929370685Michael Kolb private static final int SCALING_DOWN_TIME = 100; 648042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private static final int DISAPPEAR_TIMEOUT = 200; 658042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private static final int DIAL_HORIZONTAL = 157; 668042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 674d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb private static final long PIE_OPEN_DELAY = 200; 68673da081181c72352d57c9bf97badb2929370685Michael Kolb private static final long FOCUS_TAP_TIMEOUT = 500; 691373b98135b2854578111dd535e24d39c8853f14Michael Kolb 701373b98135b2854578111dd535e24d39c8853f14Michael Kolb private static final int MSG_OPEN = 2; 711373b98135b2854578111dd535e24d39c8853f14Michael Kolb private static final int MSG_CLOSE = 3; 721373b98135b2854578111dd535e24d39c8853f14Michael Kolb private static final int MSG_SUBMENU = 4; 73a0dd52298b55357a711663180677efa39d35e5abMichael Kolb private static final int MSG_FOCUS_TAP = 5; 741373b98135b2854578111dd535e24d39c8853f14Michael Kolb private static final float PIE_SWEEP = (float)(Math.PI * 2 / 3); 751373b98135b2854578111dd535e24d39c8853f14Michael Kolb // geometry 761373b98135b2854578111dd535e24d39c8853f14Michael Kolb private Point mCenter; 771373b98135b2854578111dd535e24d39c8853f14Michael Kolb private int mRadius; 781373b98135b2854578111dd535e24d39c8853f14Michael Kolb private int mRadiusInc; 791373b98135b2854578111dd535e24d39c8853f14Michael Kolb private int mSlop; 808042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 811373b98135b2854578111dd535e24d39c8853f14Michael Kolb // the detection if touch is inside a slice is offset 821373b98135b2854578111dd535e24d39c8853f14Michael Kolb // inbounds by this amount to allow the selection to show before the 831373b98135b2854578111dd535e24d39c8853f14Michael Kolb // finger covers it 841373b98135b2854578111dd535e24d39c8853f14Michael Kolb private int mTouchOffset; 851373b98135b2854578111dd535e24d39c8853f14Michael Kolb 861373b98135b2854578111dd535e24d39c8853f14Michael Kolb private List<PieItem> mItems; 871373b98135b2854578111dd535e24d39c8853f14Michael Kolb 881373b98135b2854578111dd535e24d39c8853f14Michael Kolb private PieItem mOpenItem; 891373b98135b2854578111dd535e24d39c8853f14Michael Kolb 901373b98135b2854578111dd535e24d39c8853f14Michael Kolb private Paint mNormalPaint; 911373b98135b2854578111dd535e24d39c8853f14Michael Kolb private Paint mSelectedPaint; 921373b98135b2854578111dd535e24d39c8853f14Michael Kolb private Paint mSubPaint; 931373b98135b2854578111dd535e24d39c8853f14Michael Kolb 941373b98135b2854578111dd535e24d39c8853f14Michael Kolb // touch handling 951373b98135b2854578111dd535e24d39c8853f14Michael Kolb private PieItem mCurrentItem; 961373b98135b2854578111dd535e24d39c8853f14Michael Kolb 971373b98135b2854578111dd535e24d39c8853f14Michael Kolb private boolean mAnimating; 98c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb private float mAlpha; 991373b98135b2854578111dd535e24d39c8853f14Michael Kolb 1008042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private Paint mFocusPaint; 101673da081181c72352d57c9bf97badb2929370685Michael Kolb private int mSuccessColor; 102673da081181c72352d57c9bf97badb2929370685Michael Kolb private int mFailColor; 1038042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private Paint mDotPaint; 1048042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int mCircleSize; 1058042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int mDotRadius; 1068042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int mFocusX; 1078042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int mFocusY; 1088042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int mCenterX; 1098042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int mCenterY; 1108042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 1118042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int mDialAngle; 1128042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private RectF mCircle; 1138042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private RectF mDial; 1148042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private Point mPoint1; 1158042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private Point mPoint2; 1168042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int mStartAnimationAngle; 1178042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private boolean mFocused; 1188042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int mInnerOffset; 1198042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int mOuterStroke; 1208042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int mInnerStroke; 121a0dd52298b55357a711663180677efa39d35e5abMichael Kolb private boolean mShowFade = true; 122a0dd52298b55357a711663180677efa39d35e5abMichael Kolb private boolean mFocusFromTap; 12355f0d13040df45c75704df9d633b444cb36f2465Michael Kolb private boolean mTapMode; 1248042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 1258042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 1261373b98135b2854578111dd535e24d39c8853f14Michael Kolb private Handler mHandler = new Handler() { 1271373b98135b2854578111dd535e24d39c8853f14Michael Kolb public void handleMessage(Message msg) { 1281373b98135b2854578111dd535e24d39c8853f14Michael Kolb switch(msg.what) { 1291373b98135b2854578111dd535e24d39c8853f14Michael Kolb case MSG_OPEN: 130c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb if (mListener != null && !mAnimating) { 1311373b98135b2854578111dd535e24d39c8853f14Michael Kolb mListener.onPieOpened(mCenter.x, mCenter.y); 1321373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 1331373b98135b2854578111dd535e24d39c8853f14Michael Kolb break; 1341373b98135b2854578111dd535e24d39c8853f14Michael Kolb case MSG_CLOSE: 135c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb if (mListener != null && !mAnimating) { 1361373b98135b2854578111dd535e24d39c8853f14Michael Kolb mListener.onPieClosed(); 1371373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 1381373b98135b2854578111dd535e24d39c8853f14Michael Kolb break; 1391373b98135b2854578111dd535e24d39c8853f14Michael Kolb case MSG_SUBMENU: 1401373b98135b2854578111dd535e24d39c8853f14Michael Kolb openCurrentItem(); 1411373b98135b2854578111dd535e24d39c8853f14Michael Kolb break; 142a0dd52298b55357a711663180677efa39d35e5abMichael Kolb case MSG_FOCUS_TAP: 143a0dd52298b55357a711663180677efa39d35e5abMichael Kolb // reset flag 14455f0d13040df45c75704df9d633b444cb36f2465Michael Kolb mTapMode = false; 14555f0d13040df45c75704df9d633b444cb36f2465Michael Kolb if (mState == STATE_PIE) { 14655f0d13040df45c75704df9d633b444cb36f2465Michael Kolb show(false); 14755f0d13040df45c75704df9d633b444cb36f2465Michael Kolb } 148a0dd52298b55357a711663180677efa39d35e5abMichael Kolb break; 1491373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 1501373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 1511373b98135b2854578111dd535e24d39c8853f14Michael Kolb }; 1521373b98135b2854578111dd535e24d39c8853f14Michael Kolb 1531373b98135b2854578111dd535e24d39c8853f14Michael Kolb private PieListener mListener; 1541373b98135b2854578111dd535e24d39c8853f14Michael Kolb 1551373b98135b2854578111dd535e24d39c8853f14Michael Kolb static public interface PieListener { 1561373b98135b2854578111dd535e24d39c8853f14Michael Kolb public void onPieOpened(int centerX, int centerY); 1571373b98135b2854578111dd535e24d39c8853f14Michael Kolb public void onPieClosed(); 1581373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 1591373b98135b2854578111dd535e24d39c8853f14Michael Kolb 1601373b98135b2854578111dd535e24d39c8853f14Michael Kolb public void setPieListener(PieListener pl) { 1611373b98135b2854578111dd535e24d39c8853f14Michael Kolb mListener = pl; 1621373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 1631373b98135b2854578111dd535e24d39c8853f14Michael Kolb 1641373b98135b2854578111dd535e24d39c8853f14Michael Kolb public PieRenderer(Context context) { 1651373b98135b2854578111dd535e24d39c8853f14Michael Kolb init(context); 1661373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 1671373b98135b2854578111dd535e24d39c8853f14Michael Kolb private void init(Context ctx) { 168ad639dff251233032734106afe4fe51a52be3721Michael Kolb setVisible(false); 1691373b98135b2854578111dd535e24d39c8853f14Michael Kolb mItems = new ArrayList<PieItem>(); 1701373b98135b2854578111dd535e24d39c8853f14Michael Kolb Resources res = ctx.getResources(); 171a521253223897b099995e0af08982b4236ce5861Michael Kolb mRadius = (int) res.getDimensionPixelSize(R.dimen.pie_radius_start); 172eede360bc53b9eb7192b7117447622d6d7a5d220Michael Kolb mCircleSize = mRadius - res.getDimensionPixelSize(R.dimen.focus_radius_offset); 173a521253223897b099995e0af08982b4236ce5861Michael Kolb mRadiusInc = (int) res.getDimensionPixelSize(R.dimen.pie_radius_increment); 174a521253223897b099995e0af08982b4236ce5861Michael Kolb mSlop = (int) res.getDimensionPixelSize(R.dimen.pie_touch_slop); 175a521253223897b099995e0af08982b4236ce5861Michael Kolb mTouchOffset = (int) res.getDimensionPixelSize(R.dimen.pie_touch_offset); 1761373b98135b2854578111dd535e24d39c8853f14Michael Kolb mCenter = new Point(0,0); 1771373b98135b2854578111dd535e24d39c8853f14Michael Kolb mNormalPaint = new Paint(); 1781373b98135b2854578111dd535e24d39c8853f14Michael Kolb mNormalPaint.setColor(Color.argb(0, 0, 0, 0)); 1791373b98135b2854578111dd535e24d39c8853f14Michael Kolb mNormalPaint.setAntiAlias(true); 1801373b98135b2854578111dd535e24d39c8853f14Michael Kolb mSelectedPaint = new Paint(); 181673da081181c72352d57c9bf97badb2929370685Michael Kolb mSelectedPaint.setColor(Color.argb(255, 51, 181, 229)); 1821373b98135b2854578111dd535e24d39c8853f14Michael Kolb mSelectedPaint.setAntiAlias(true); 1831373b98135b2854578111dd535e24d39c8853f14Michael Kolb mSubPaint = new Paint(); 1841373b98135b2854578111dd535e24d39c8853f14Michael Kolb mSubPaint.setAntiAlias(true); 185673da081181c72352d57c9bf97badb2929370685Michael Kolb mSubPaint.setColor(Color.argb(200, 250, 230, 128)); 1868042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusPaint = new Paint(); 1878042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusPaint.setAntiAlias(true); 1888042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusPaint.setColor(Color.WHITE); 1898042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusPaint.setStyle(Paint.Style.STROKE); 190673da081181c72352d57c9bf97badb2929370685Michael Kolb mSuccessColor = Color.GREEN; 191673da081181c72352d57c9bf97badb2929370685Michael Kolb mFailColor = Color.RED; 1928042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mDotPaint = new Paint(); 1938042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mDotPaint.setAntiAlias(true); 194a0dd52298b55357a711663180677efa39d35e5abMichael Kolb mDotPaint.setColor(Color.argb(160, 255, 255, 255)); 1958042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mDotPaint.setStyle(Paint.Style.FILL); 1968042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mCircle = new RectF(); 1978042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mDial = new RectF(); 1988042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mPoint1 = new Point(); 1998042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mPoint2 = new Point(); 2008042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mInnerOffset = res.getDimensionPixelSize(R.dimen.focus_inner_offset); 2018042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mOuterStroke = res.getDimensionPixelSize(R.dimen.focus_outer_stroke); 2028042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mInnerStroke = res.getDimensionPixelSize(R.dimen.focus_inner_stroke); 2038042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mDotRadius = res.getDimensionPixelSize(R.dimen.focus_dot_radius); 204a0dd52298b55357a711663180677efa39d35e5abMichael Kolb mState = STATE_IDLE; 205a0dd52298b55357a711663180677efa39d35e5abMichael Kolb } 2068042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 207a0dd52298b55357a711663180677efa39d35e5abMichael Kolb public void showFade() { 208a0dd52298b55357a711663180677efa39d35e5abMichael Kolb mShowFade = true; 2091373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 2101373b98135b2854578111dd535e24d39c8853f14Michael Kolb 211673da081181c72352d57c9bf97badb2929370685Michael Kolb public boolean showsItems() { 21255f0d13040df45c75704df9d633b444cb36f2465Michael Kolb return mTapMode; 213673da081181c72352d57c9bf97badb2929370685Michael Kolb } 214673da081181c72352d57c9bf97badb2929370685Michael Kolb 2151373b98135b2854578111dd535e24d39c8853f14Michael Kolb public void addItem(PieItem item) { 2161373b98135b2854578111dd535e24d39c8853f14Michael Kolb // add the item to the pie itself 2171373b98135b2854578111dd535e24d39c8853f14Michael Kolb mItems.add(item); 2181373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 2191373b98135b2854578111dd535e24d39c8853f14Michael Kolb 2201373b98135b2854578111dd535e24d39c8853f14Michael Kolb public void removeItem(PieItem item) { 2211373b98135b2854578111dd535e24d39c8853f14Michael Kolb mItems.remove(item); 2221373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 2231373b98135b2854578111dd535e24d39c8853f14Michael Kolb 2241373b98135b2854578111dd535e24d39c8853f14Michael Kolb public void clearItems() { 2251373b98135b2854578111dd535e24d39c8853f14Michael Kolb mItems.clear(); 2261373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 2271373b98135b2854578111dd535e24d39c8853f14Michael Kolb 228c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb public void fade() { 229a0dd52298b55357a711663180677efa39d35e5abMichael Kolb mShowFade = false; 2308042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb setCenter(mCenterX, mCenterY); 231c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb Animation anim = new AlphaAnimation(); 232c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb anim.setFillAfter(true); 233c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb anim.setAnimationListener(new AnimationListener() { 234c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb @Override 235c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb public void onAnimationStart(Animation animation) { 236c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb mAnimating = true; 237c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb update(); 238c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb } 239c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb @Override 240c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb public void onAnimationEnd(Animation animation) { 241c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb show(false); 242d867ac51170831bf4e6021453fdc4468e10087c7Michael Kolb resetAnimation(); 243c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb } 244c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb @Override 245c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb public void onAnimationRepeat(Animation animation) { 246c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb } 247c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb }); 248c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb anim.reset(); 249b986d1e51d776706cb3603a9c386772da6d7cf48Michael Kolb anim.setDuration(PIE_FADE_DURATION); 250c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb show(true); 251c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb mOverlay.startAnimation(anim); 252c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb } 253c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb 254d867ac51170831bf4e6021453fdc4468e10087c7Michael Kolb private void resetAnimation() { 255d867ac51170831bf4e6021453fdc4468e10087c7Michael Kolb mAlpha = 0f; 256d867ac51170831bf4e6021453fdc4468e10087c7Michael Kolb mAnimating = false; 257d867ac51170831bf4e6021453fdc4468e10087c7Michael Kolb setViewAlpha(mOverlay, 1); 258d867ac51170831bf4e6021453fdc4468e10087c7Michael Kolb } 259d867ac51170831bf4e6021453fdc4468e10087c7Michael Kolb 260a5e23d9eb2bc96e7da4c021df2e11c1c43d379cdMichael Kolb public void showInCenter() { 261d560a87ef69c81e0b313898f0d673c57d89ff740Michael Kolb if (isVisible()) { 262d560a87ef69c81e0b313898f0d673c57d89ff740Michael Kolb mTapMode = false; 263d560a87ef69c81e0b313898f0d673c57d89ff740Michael Kolb show(false); 264d560a87ef69c81e0b313898f0d673c57d89ff740Michael Kolb } else { 265d560a87ef69c81e0b313898f0d673c57d89ff740Michael Kolb setCenter(mCenterX, mCenterY); 266d560a87ef69c81e0b313898f0d673c57d89ff740Michael Kolb mTapMode = true; 267d560a87ef69c81e0b313898f0d673c57d89ff740Michael Kolb show(true); 268d560a87ef69c81e0b313898f0d673c57d89ff740Michael Kolb } 269a5e23d9eb2bc96e7da4c021df2e11c1c43d379cdMichael Kolb } 270a5e23d9eb2bc96e7da4c021df2e11c1c43d379cdMichael Kolb 2711373b98135b2854578111dd535e24d39c8853f14Michael Kolb /** 2721373b98135b2854578111dd535e24d39c8853f14Michael Kolb * guaranteed has center set 2731373b98135b2854578111dd535e24d39c8853f14Michael Kolb * @param show 2741373b98135b2854578111dd535e24d39c8853f14Michael Kolb */ 2751373b98135b2854578111dd535e24d39c8853f14Michael Kolb private void show(boolean show) { 2761373b98135b2854578111dd535e24d39c8853f14Michael Kolb if (show) { 277d867ac51170831bf4e6021453fdc4468e10087c7Michael Kolb if (mAnimating) { 278d867ac51170831bf4e6021453fdc4468e10087c7Michael Kolb resetAnimation(); 279d867ac51170831bf4e6021453fdc4468e10087c7Michael Kolb } 2808042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mState = STATE_PIE; 2811373b98135b2854578111dd535e24d39c8853f14Michael Kolb // ensure clean state 2821373b98135b2854578111dd535e24d39c8853f14Michael Kolb mAnimating = false; 2831373b98135b2854578111dd535e24d39c8853f14Michael Kolb mCurrentItem = null; 2841373b98135b2854578111dd535e24d39c8853f14Michael Kolb mOpenItem = null; 2851373b98135b2854578111dd535e24d39c8853f14Michael Kolb for (PieItem item : mItems) { 2861373b98135b2854578111dd535e24d39c8853f14Michael Kolb item.setSelected(false); 2871373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 2881373b98135b2854578111dd535e24d39c8853f14Michael Kolb layoutPie(); 289b8c5a15af9e8f1adb1849072a6f5a1830887b43eMichael Kolb } else { 290b8c5a15af9e8f1adb1849072a6f5a1830887b43eMichael Kolb mState = STATE_IDLE; 2911373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 292ad639dff251233032734106afe4fe51a52be3721Michael Kolb setVisible(show); 293ad639dff251233032734106afe4fe51a52be3721Michael Kolb mHandler.sendEmptyMessage(show ? MSG_OPEN : MSG_CLOSE); 2944d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb } 2954d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb 296c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb public void setCenter(int x, int y) { 2971373b98135b2854578111dd535e24d39c8853f14Michael Kolb mCenter.x = x; 2981373b98135b2854578111dd535e24d39c8853f14Michael Kolb mCenter.y = y; 2998042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb // when using the pie menu, align the focus ring 3008042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb alignFocus(x, y); 3018042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 3028042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 3038042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private void setupPie(int x, int y) { 3048042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb // when using the focus ring, align pie items 3058042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mCenter.x = x; 3068042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mCenter.y = y; 3078042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mAnimating = false; 3088042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mCurrentItem = null; 3098042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mOpenItem = null; 3108042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb for (PieItem item : mItems) { 3118042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb item.setSelected(false); 3128042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 3138042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb layoutPie(); 3141373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 3151373b98135b2854578111dd535e24d39c8853f14Michael Kolb 3161373b98135b2854578111dd535e24d39c8853f14Michael Kolb private void layoutPie() { 3171373b98135b2854578111dd535e24d39c8853f14Michael Kolb int rgap = 2; 3181373b98135b2854578111dd535e24d39c8853f14Michael Kolb int inner = mRadius + rgap; 3191373b98135b2854578111dd535e24d39c8853f14Michael Kolb int outer = mRadius + mRadiusInc - rgap; 3201373b98135b2854578111dd535e24d39c8853f14Michael Kolb int gap = 1; 3211373b98135b2854578111dd535e24d39c8853f14Michael Kolb layoutItems(mItems, (float) (Math.PI / 2), inner, outer, gap); 3221373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 3231373b98135b2854578111dd535e24d39c8853f14Michael Kolb 3244d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb private void layoutItems(List<PieItem> items, float centerAngle, int inner, 3254d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb int outer, int gap) { 3261373b98135b2854578111dd535e24d39c8853f14Michael Kolb float emptyangle = PIE_SWEEP / 16; 3271373b98135b2854578111dd535e24d39c8853f14Michael Kolb float sweep = (float) (PIE_SWEEP - 2 * emptyangle) / items.size(); 3281373b98135b2854578111dd535e24d39c8853f14Michael Kolb float angle = centerAngle - PIE_SWEEP / 2 + emptyangle + sweep / 2; 329b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb // check if we have custom geometry 330b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb // first item we find triggers custom sweep for all 331b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb // this allows us to re-use the path 332b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb for (PieItem item : items) { 333b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb if (item.getCenter() >= 0) { 334b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb sweep = item.getSweep(); 335b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb break; 336b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb } 337b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb } 3384d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb Path path = makeSlice(getDegrees(0) - gap, getDegrees(sweep) + gap, 3394d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb outer, inner, mCenter); 3401373b98135b2854578111dd535e24d39c8853f14Michael Kolb for (PieItem item : items) { 3411373b98135b2854578111dd535e24d39c8853f14Michael Kolb // shared between items 3421373b98135b2854578111dd535e24d39c8853f14Michael Kolb item.setPath(path); 3431373b98135b2854578111dd535e24d39c8853f14Michael Kolb View view = item.getView(); 344b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb if (item.getCenter() >= 0) { 345b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb angle = item.getCenter(); 346b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb } 3471373b98135b2854578111dd535e24d39c8853f14Michael Kolb if (view != null) { 3481373b98135b2854578111dd535e24d39c8853f14Michael Kolb view.measure(view.getLayoutParams().width, 3491373b98135b2854578111dd535e24d39c8853f14Michael Kolb view.getLayoutParams().height); 3501373b98135b2854578111dd535e24d39c8853f14Michael Kolb int w = view.getMeasuredWidth(); 3511373b98135b2854578111dd535e24d39c8853f14Michael Kolb int h = view.getMeasuredHeight(); 3521373b98135b2854578111dd535e24d39c8853f14Michael Kolb // move views to outer border 3531373b98135b2854578111dd535e24d39c8853f14Michael Kolb int r = inner + (outer - inner) * 2 / 3; 3541373b98135b2854578111dd535e24d39c8853f14Michael Kolb int x = (int) (r * Math.cos(angle)); 3551373b98135b2854578111dd535e24d39c8853f14Michael Kolb int y = mCenter.y - (int) (r * Math.sin(angle)) - h / 2; 3561373b98135b2854578111dd535e24d39c8853f14Michael Kolb x = mCenter.x + x - w / 2; 3571373b98135b2854578111dd535e24d39c8853f14Michael Kolb view.layout(x, y, x + w, y + h); 3581373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 3591373b98135b2854578111dd535e24d39c8853f14Michael Kolb float itemstart = angle - sweep / 2; 3601373b98135b2854578111dd535e24d39c8853f14Michael Kolb item.setGeometry(itemstart, sweep, inner, outer); 3611373b98135b2854578111dd535e24d39c8853f14Michael Kolb if (item.hasItems()) { 3624d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb layoutItems(item.getItems(), angle, inner, 3634d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb outer + mRadiusInc / 2, gap); 3641373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 3651373b98135b2854578111dd535e24d39c8853f14Michael Kolb angle += sweep; 3661373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 3674d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb } 3681373b98135b2854578111dd535e24d39c8853f14Michael Kolb 3691373b98135b2854578111dd535e24d39c8853f14Michael Kolb private Path makeSlice(float start, float end, int outer, int inner, Point center) { 3701373b98135b2854578111dd535e24d39c8853f14Michael Kolb RectF bb = 3711373b98135b2854578111dd535e24d39c8853f14Michael Kolb new RectF(center.x - outer, center.y - outer, center.x + outer, 3721373b98135b2854578111dd535e24d39c8853f14Michael Kolb center.y + outer); 3731373b98135b2854578111dd535e24d39c8853f14Michael Kolb RectF bbi = 3741373b98135b2854578111dd535e24d39c8853f14Michael Kolb new RectF(center.x - inner, center.y - inner, center.x + inner, 3751373b98135b2854578111dd535e24d39c8853f14Michael Kolb center.y + inner); 3761373b98135b2854578111dd535e24d39c8853f14Michael Kolb Path path = new Path(); 3771373b98135b2854578111dd535e24d39c8853f14Michael Kolb path.arcTo(bb, start, end - start, true); 3781373b98135b2854578111dd535e24d39c8853f14Michael Kolb path.arcTo(bbi, end, start - end); 3791373b98135b2854578111dd535e24d39c8853f14Michael Kolb path.close(); 3801373b98135b2854578111dd535e24d39c8853f14Michael Kolb return path; 3811373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 3821373b98135b2854578111dd535e24d39c8853f14Michael Kolb 3831373b98135b2854578111dd535e24d39c8853f14Michael Kolb /** 3841373b98135b2854578111dd535e24d39c8853f14Michael Kolb * converts a 385b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb * @param angle from 0..PI to Android degrees (clockwise starting at 3 o'clock) 3861373b98135b2854578111dd535e24d39c8853f14Michael Kolb * @return skia angle 3871373b98135b2854578111dd535e24d39c8853f14Michael Kolb */ 3881373b98135b2854578111dd535e24d39c8853f14Michael Kolb private float getDegrees(double angle) { 3891373b98135b2854578111dd535e24d39c8853f14Michael Kolb return (float) (360 - 180 * angle / Math.PI); 3901373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 3911373b98135b2854578111dd535e24d39c8853f14Michael Kolb 3921373b98135b2854578111dd535e24d39c8853f14Michael Kolb @Override 3931373b98135b2854578111dd535e24d39c8853f14Michael Kolb public void onDraw(Canvas canvas) { 3948042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb drawFocus(canvas); 3958042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb if (mState == STATE_FINISHING) return; 396c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb if (mAnimating) { 397c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb setViewAlpha(mOverlay, mAlpha); 398c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb } 399ad639dff251233032734106afe4fe51a52be3721Michael Kolb if (mOpenItem == null) { 400ad639dff251233032734106afe4fe51a52be3721Michael Kolb // draw base menu 401ad639dff251233032734106afe4fe51a52be3721Michael Kolb for (PieItem item : mItems) { 402ad639dff251233032734106afe4fe51a52be3721Michael Kolb drawItem(canvas, item); 403ad639dff251233032734106afe4fe51a52be3721Michael Kolb } 404ad639dff251233032734106afe4fe51a52be3721Michael Kolb } else { 405ad639dff251233032734106afe4fe51a52be3721Michael Kolb for (PieItem inner : mOpenItem.getItems()) { 406ad639dff251233032734106afe4fe51a52be3721Michael Kolb drawItem(canvas, inner); 4071373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 4081373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 4091373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 4101373b98135b2854578111dd535e24d39c8853f14Michael Kolb 4111373b98135b2854578111dd535e24d39c8853f14Michael Kolb private void drawItem(Canvas canvas, PieItem item) { 4121373b98135b2854578111dd535e24d39c8853f14Michael Kolb if (item.getView() != null) { 413b1b7574bf6dd7b0a7bd3b5fb0a0f2f9631450710Michael Kolb if (mState == STATE_PIE) { 4141404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb if (item.getPath() != null) { 4151404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb Paint p = item.isSelected() ? mSelectedPaint : mNormalPaint; 4161404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb int state = canvas.save(); 4171404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb float r = getDegrees(item.getStartAngle()); 4181404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb canvas.rotate(r, mCenter.x, mCenter.y); 4191404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb canvas.drawPath(item.getPath(), p); 4201404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb canvas.restoreToCount(state); 4211404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb // draw the item view 4221404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb View view = item.getView(); 4231404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb state = canvas.save(); 4241404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb canvas.translate(view.getX(), view.getY()); 4251404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb view.draw(canvas); 4261404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb canvas.restoreToCount(state); 4271404be918ef3e5e5150c13c5a89a66b83a816846Michael Kolb } 428a0dd52298b55357a711663180677efa39d35e5abMichael Kolb } else if (mState == STATE_FOCUSING && !mFocusFromTap) { 429a0dd52298b55357a711663180677efa39d35e5abMichael Kolb View view = item.getView(); 430a0dd52298b55357a711663180677efa39d35e5abMichael Kolb canvas.drawCircle(view.getLeft() + view.getWidth() / 2, 431a0dd52298b55357a711663180677efa39d35e5abMichael Kolb view.getTop() + view.getHeight() / 2, mDotRadius, 432a0dd52298b55357a711663180677efa39d35e5abMichael Kolb mDotPaint); 4338042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 4341373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 4351373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 4361373b98135b2854578111dd535e24d39c8853f14Michael Kolb 437c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb @TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB) 438c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb private void setViewAlpha(View v, float alpha) { 439c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb if (ApiHelper.HAS_VIEW_TRANSFORM_PROPERTIES) { 440c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb v.setAlpha(alpha); 441c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb } 442c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb } 443c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb 4441373b98135b2854578111dd535e24d39c8853f14Michael Kolb // touch handling for pie 4451373b98135b2854578111dd535e24d39c8853f14Michael Kolb 4461373b98135b2854578111dd535e24d39c8853f14Michael Kolb @Override 4471373b98135b2854578111dd535e24d39c8853f14Michael Kolb public boolean onTouchEvent(MotionEvent evt) { 4481373b98135b2854578111dd535e24d39c8853f14Michael Kolb float x = evt.getX(); 4491373b98135b2854578111dd535e24d39c8853f14Michael Kolb float y = evt.getY(); 4501373b98135b2854578111dd535e24d39c8853f14Michael Kolb int action = evt.getActionMasked(); 45155f0d13040df45c75704df9d633b444cb36f2465Michael Kolb PointF polar = getPolar(x, y, !(mTapMode)); 4521373b98135b2854578111dd535e24d39c8853f14Michael Kolb if (MotionEvent.ACTION_DOWN == action) { 45355f0d13040df45c75704df9d633b444cb36f2465Michael Kolb if (mTapMode) { 45455f0d13040df45c75704df9d633b444cb36f2465Michael Kolb PieItem item = findItem(polar); 45555f0d13040df45c75704df9d633b444cb36f2465Michael Kolb if ((item != null) && (mCurrentItem != item)) { 45655f0d13040df45c75704df9d633b444cb36f2465Michael Kolb mHandler.removeMessages(MSG_FOCUS_TAP); 45755f0d13040df45c75704df9d633b444cb36f2465Michael Kolb mState = STATE_PIE; 45855f0d13040df45c75704df9d633b444cb36f2465Michael Kolb onEnter(item); 45955f0d13040df45c75704df9d633b444cb36f2465Michael Kolb } 46055f0d13040df45c75704df9d633b444cb36f2465Michael Kolb } else { 46155f0d13040df45c75704df9d633b444cb36f2465Michael Kolb setCenter((int) x, (int) y); 46255f0d13040df45c75704df9d633b444cb36f2465Michael Kolb show(true); 46355f0d13040df45c75704df9d633b444cb36f2465Michael Kolb } 4641373b98135b2854578111dd535e24d39c8853f14Michael Kolb return true; 4651373b98135b2854578111dd535e24d39c8853f14Michael Kolb } else if (MotionEvent.ACTION_UP == action) { 46655f0d13040df45c75704df9d633b444cb36f2465Michael Kolb if (mTapMode) { 46755f0d13040df45c75704df9d633b444cb36f2465Michael Kolb PieItem item = findItem(polar); 46855f0d13040df45c75704df9d633b444cb36f2465Michael Kolb if (item == null) { 46955f0d13040df45c75704df9d633b444cb36f2465Michael Kolb mState = STATE_IDLE; 47055f0d13040df45c75704df9d633b444cb36f2465Michael Kolb show(false); 47155f0d13040df45c75704df9d633b444cb36f2465Michael Kolb mTapMode = false; 47255f0d13040df45c75704df9d633b444cb36f2465Michael Kolb } else { 47355f0d13040df45c75704df9d633b444cb36f2465Michael Kolb if (!item.hasItems()) { 47455f0d13040df45c75704df9d633b444cb36f2465Michael Kolb show(false); 47555f0d13040df45c75704df9d633b444cb36f2465Michael Kolb mTapMode = false; 47655f0d13040df45c75704df9d633b444cb36f2465Michael Kolb mState = STATE_IDLE; 47755f0d13040df45c75704df9d633b444cb36f2465Michael Kolb item.getView().performClick(); 47855f0d13040df45c75704df9d633b444cb36f2465Michael Kolb item.setSelected(false); 47955f0d13040df45c75704df9d633b444cb36f2465Michael Kolb } 48055f0d13040df45c75704df9d633b444cb36f2465Michael Kolb } 48155f0d13040df45c75704df9d633b444cb36f2465Michael Kolb return true; 48255f0d13040df45c75704df9d633b444cb36f2465Michael Kolb } else if (isVisible()) { 4831373b98135b2854578111dd535e24d39c8853f14Michael Kolb PieItem item = mCurrentItem; 4841373b98135b2854578111dd535e24d39c8853f14Michael Kolb if (!mAnimating) { 4851373b98135b2854578111dd535e24d39c8853f14Michael Kolb deselect(); 4861373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 4871373b98135b2854578111dd535e24d39c8853f14Michael Kolb show(false); 4881373b98135b2854578111dd535e24d39c8853f14Michael Kolb if ((item != null) && (item.getView() != null)) { 4891373b98135b2854578111dd535e24d39c8853f14Michael Kolb if ((item == mOpenItem) || !mAnimating) { 4901373b98135b2854578111dd535e24d39c8853f14Michael Kolb item.getView().performClick(); 4911373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 4921373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 4931373b98135b2854578111dd535e24d39c8853f14Michael Kolb return true; 4941373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 4951373b98135b2854578111dd535e24d39c8853f14Michael Kolb } else if (MotionEvent.ACTION_CANCEL == action) { 49655f0d13040df45c75704df9d633b444cb36f2465Michael Kolb if (isVisible() || mTapMode) { 4971373b98135b2854578111dd535e24d39c8853f14Michael Kolb show(false); 4981373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 4991373b98135b2854578111dd535e24d39c8853f14Michael Kolb if (!mAnimating) { 5001373b98135b2854578111dd535e24d39c8853f14Michael Kolb deselect(); 5011373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5021373b98135b2854578111dd535e24d39c8853f14Michael Kolb return false; 5031373b98135b2854578111dd535e24d39c8853f14Michael Kolb } else if (MotionEvent.ACTION_MOVE == action) { 5041373b98135b2854578111dd535e24d39c8853f14Michael Kolb if (mAnimating) return false; 5054d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb if (polar.y < mRadius) { 5064d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb if (mOpenItem != null) { 5074d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb mOpenItem = null; 5084d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb } else if (!mAnimating) { 5091373b98135b2854578111dd535e24d39c8853f14Michael Kolb deselect(); 5101373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5114d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb return false; 5124d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb } 5134d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb PieItem item = findItem(polar); 514d867ac51170831bf4e6021453fdc4468e10087c7Michael Kolb if ((item != null) && (mCurrentItem != item)) { 5154d628bcbaf4e6f2330dc9619f2129770863666dcMichael Kolb onEnter(item); 5161373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5171373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5181373b98135b2854578111dd535e24d39c8853f14Michael Kolb return false; 5191373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5201373b98135b2854578111dd535e24d39c8853f14Michael Kolb 5211373b98135b2854578111dd535e24d39c8853f14Michael Kolb /** 5221373b98135b2854578111dd535e24d39c8853f14Michael Kolb * enter a slice for a view 5231373b98135b2854578111dd535e24d39c8853f14Michael Kolb * updates model only 5241373b98135b2854578111dd535e24d39c8853f14Michael Kolb * @param item 5251373b98135b2854578111dd535e24d39c8853f14Michael Kolb */ 5261373b98135b2854578111dd535e24d39c8853f14Michael Kolb private void onEnter(PieItem item) { 5271373b98135b2854578111dd535e24d39c8853f14Michael Kolb if (mCurrentItem != null) { 5281373b98135b2854578111dd535e24d39c8853f14Michael Kolb mCurrentItem.setSelected(false); 5291373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5302d3af28f91481d7f3887cb0bb9c5d06375baf787Michael Kolb if (item != null && item.isEnabled()) { 5311373b98135b2854578111dd535e24d39c8853f14Michael Kolb item.setSelected(true); 5321373b98135b2854578111dd535e24d39c8853f14Michael Kolb mCurrentItem = item; 5331373b98135b2854578111dd535e24d39c8853f14Michael Kolb if ((mCurrentItem != mOpenItem) && mCurrentItem.hasItems()) { 5341373b98135b2854578111dd535e24d39c8853f14Michael Kolb mHandler.sendEmptyMessageDelayed(MSG_SUBMENU, PIE_OPEN_DELAY); 5351373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5361373b98135b2854578111dd535e24d39c8853f14Michael Kolb } else { 5371373b98135b2854578111dd535e24d39c8853f14Michael Kolb mCurrentItem = null; 5381373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5391373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5401373b98135b2854578111dd535e24d39c8853f14Michael Kolb 5411373b98135b2854578111dd535e24d39c8853f14Michael Kolb private void deselect() { 5421373b98135b2854578111dd535e24d39c8853f14Michael Kolb if (mCurrentItem != null) { 5431373b98135b2854578111dd535e24d39c8853f14Michael Kolb mCurrentItem.setSelected(false); 5441373b98135b2854578111dd535e24d39c8853f14Michael Kolb mHandler.removeMessages(MSG_SUBMENU); 5451373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5461373b98135b2854578111dd535e24d39c8853f14Michael Kolb if (mOpenItem != null) { 5471373b98135b2854578111dd535e24d39c8853f14Michael Kolb mOpenItem = null; 5481373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5491373b98135b2854578111dd535e24d39c8853f14Michael Kolb mCurrentItem = null; 5501373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5511373b98135b2854578111dd535e24d39c8853f14Michael Kolb 5521373b98135b2854578111dd535e24d39c8853f14Michael Kolb private void openCurrentItem() { 5531373b98135b2854578111dd535e24d39c8853f14Michael Kolb if ((mCurrentItem != null) && mCurrentItem.hasItems()) { 55455f0d13040df45c75704df9d633b444cb36f2465Michael Kolb mCurrentItem.setSelected(false); 5551373b98135b2854578111dd535e24d39c8853f14Michael Kolb mOpenItem = mCurrentItem; 5561373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5571373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5581373b98135b2854578111dd535e24d39c8853f14Michael Kolb 559673da081181c72352d57c9bf97badb2929370685Michael Kolb private PointF getPolar(float x, float y, boolean useOffset) { 5601373b98135b2854578111dd535e24d39c8853f14Michael Kolb PointF res = new PointF(); 5611373b98135b2854578111dd535e24d39c8853f14Michael Kolb // get angle and radius from x/y 5621373b98135b2854578111dd535e24d39c8853f14Michael Kolb res.x = (float) Math.PI / 2; 5631373b98135b2854578111dd535e24d39c8853f14Michael Kolb x = x - mCenter.x; 5641373b98135b2854578111dd535e24d39c8853f14Michael Kolb y = mCenter.y - y; 565a521253223897b099995e0af08982b4236ce5861Michael Kolb res.y = (float) Math.sqrt(x * x + y * y); 5661373b98135b2854578111dd535e24d39c8853f14Michael Kolb if (x != 0) { 5671373b98135b2854578111dd535e24d39c8853f14Michael Kolb res.x = (float) Math.atan2(y, x); 568b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb if (res.x < 0) { 569b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb res.x = (float) (2 * Math.PI + res.x); 570b5b59b88683823d70faac7b3454519d53c51180bMichael Kolb } 5711373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 572673da081181c72352d57c9bf97badb2929370685Michael Kolb res.y = res.y + (useOffset ? mTouchOffset : 0); 5731373b98135b2854578111dd535e24d39c8853f14Michael Kolb return res; 5741373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5751373b98135b2854578111dd535e24d39c8853f14Michael Kolb 5761373b98135b2854578111dd535e24d39c8853f14Michael Kolb /** 5771373b98135b2854578111dd535e24d39c8853f14Michael Kolb * @param polar x: angle, y: dist 5781373b98135b2854578111dd535e24d39c8853f14Michael Kolb * @return the item at angle/dist or null 5791373b98135b2854578111dd535e24d39c8853f14Michael Kolb */ 5801373b98135b2854578111dd535e24d39c8853f14Michael Kolb private PieItem findItem(PointF polar) { 5811373b98135b2854578111dd535e24d39c8853f14Michael Kolb // find the matching item: 5821373b98135b2854578111dd535e24d39c8853f14Michael Kolb List<PieItem> items = (mOpenItem != null) ? mOpenItem.getItems() : mItems; 5831373b98135b2854578111dd535e24d39c8853f14Michael Kolb for (PieItem item : items) { 584a521253223897b099995e0af08982b4236ce5861Michael Kolb if (inside(polar, item)) { 5851373b98135b2854578111dd535e24d39c8853f14Michael Kolb return item; 5861373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5871373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5881373b98135b2854578111dd535e24d39c8853f14Michael Kolb return null; 5891373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5901373b98135b2854578111dd535e24d39c8853f14Michael Kolb 591a521253223897b099995e0af08982b4236ce5861Michael Kolb private boolean inside(PointF polar, PieItem item) { 592a521253223897b099995e0af08982b4236ce5861Michael Kolb return (item.getInnerRadius() < polar.y) 59355f0d13040df45c75704df9d633b444cb36f2465Michael Kolb && (item.getStartAngle() < polar.x) 59455f0d13040df45c75704df9d633b444cb36f2465Michael Kolb && (item.getStartAngle() + item.getSweep() > polar.x) 59555f0d13040df45c75704df9d633b444cb36f2465Michael Kolb && (!mTapMode || (item.getOuterRadius() > polar.y)); 5961373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 5971373b98135b2854578111dd535e24d39c8853f14Michael Kolb 5981373b98135b2854578111dd535e24d39c8853f14Michael Kolb @Override 5991373b98135b2854578111dd535e24d39c8853f14Michael Kolb public boolean handlesTouch() { 6001373b98135b2854578111dd535e24d39c8853f14Michael Kolb return true; 6011373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 6021373b98135b2854578111dd535e24d39c8853f14Michael Kolb 6038042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private class AlphaAnimation extends Animation { 6048042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb @Override 6058042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb protected void applyTransformation(float interpolatedTime, Transformation t) { 6068042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mAlpha = 1 - interpolatedTime; 6078042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 6088042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 6098042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 6108042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb // focus specific code 6118042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 61255f0d13040df45c75704df9d633b444cb36f2465Michael Kolb public void setFocus(int x, int y, boolean startImmediately) { 613a0dd52298b55357a711663180677efa39d35e5abMichael Kolb mFocusFromTap = true; 61455f0d13040df45c75704df9d633b444cb36f2465Michael Kolb mTapMode = true; 6158042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb switch(mOverlay.getOrientation()) { 6168042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb case 0: 6178042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusX = x; 6188042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusY = y; 6198042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb break; 6208042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb case 180: 6218042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusX = getWidth() - x; 6228042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusY = getHeight() - y; 6238042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb break; 6248042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb case 90: 6258042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusX = getWidth() - y; 6268042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusY = x; 6278042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb break; 6288042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb case 270: 6298042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusX = y ; 6308042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusY = getHeight() - x; 6318042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb break; 6328042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 6338042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb setCircle(mFocusX, mFocusY); 6348042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb setupPie(mFocusX, mFocusY); 63555f0d13040df45c75704df9d633b444cb36f2465Michael Kolb if (startImmediately) { 63655f0d13040df45c75704df9d633b444cb36f2465Michael Kolb // cameras that don't support focus still need to show menu 63755f0d13040df45c75704df9d633b444cb36f2465Michael Kolb setVisible(true); 63855f0d13040df45c75704df9d633b444cb36f2465Michael Kolb mState = STATE_PIE; 63955f0d13040df45c75704df9d633b444cb36f2465Michael Kolb mHandler.removeMessages(MSG_FOCUS_TAP); 64055f0d13040df45c75704df9d633b444cb36f2465Michael Kolb mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_FOCUS_TAP), 64155f0d13040df45c75704df9d633b444cb36f2465Michael Kolb FOCUS_TAP_TIMEOUT); 64255f0d13040df45c75704df9d633b444cb36f2465Michael Kolb update(); 64355f0d13040df45c75704df9d633b444cb36f2465Michael Kolb } 6448042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 6458042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 6468042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public void alignFocus(int x, int y) { 6478042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mOverlay.removeCallbacks(mDisappear); 6488042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mAnimation.cancel(); 6498042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mAnimation.reset(); 6508042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusX = x; 6518042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusY = y; 6528042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mDialAngle = DIAL_HORIZONTAL; 6538042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb setCircle(x, y); 6548042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocused = false; 6558042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 6568042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 6578042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public int getSize() { 6588042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb return 2 * mCircleSize; 6598042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 6608042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 6618042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private int getRandomRange() { 662673da081181c72352d57c9bf97badb2929370685Michael Kolb return (int)(-60 + 120 * Math.random()); 6638042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 6648042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 6651373b98135b2854578111dd535e24d39c8853f14Michael Kolb @Override 6661373b98135b2854578111dd535e24d39c8853f14Michael Kolb public void layout(int l, int t, int r, int b) { 6671373b98135b2854578111dd535e24d39c8853f14Michael Kolb super.layout(l, t, r, b); 6688042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mCenterX = (r - l) / 2; 6698042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mCenterY = (b - t) / 2; 6708042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusX = mCenterX; 6718042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusY = mCenterY; 6728042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb setCircle(mFocusX, mFocusY); 673a0dd52298b55357a711663180677efa39d35e5abMichael Kolb if (mShowFade) { 6748042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb fade(); 6758042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 6761373b98135b2854578111dd535e24d39c8853f14Michael Kolb } 6771373b98135b2854578111dd535e24d39c8853f14Michael Kolb 6788042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private void setCircle(int cx, int cy) { 6798042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mCircle.set(cx - mCircleSize, cy - mCircleSize, 6808042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb cx + mCircleSize, cy + mCircleSize); 6818042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mDial.set(cx - mCircleSize + mInnerOffset, cy - mCircleSize + mInnerOffset, 6828042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb cx + mCircleSize - mInnerOffset, cy + mCircleSize - mInnerOffset); 6838042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 6848042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 6858042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public void drawFocus(Canvas canvas) { 6868042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusPaint.setStrokeWidth(mOuterStroke); 6878042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb canvas.drawCircle((float) mFocusX, (float) mFocusY, (float) mCircleSize, mFocusPaint); 688673da081181c72352d57c9bf97badb2929370685Michael Kolb int color = mFocusPaint.getColor(); 689673da081181c72352d57c9bf97badb2929370685Michael Kolb if (mState == STATE_FINISHING) { 690673da081181c72352d57c9bf97badb2929370685Michael Kolb mFocusPaint.setColor(mFocused ? mSuccessColor : mFailColor); 691673da081181c72352d57c9bf97badb2929370685Michael Kolb } 692673da081181c72352d57c9bf97badb2929370685Michael Kolb mFocusPaint.setStrokeWidth(mInnerStroke); 693673da081181c72352d57c9bf97badb2929370685Michael Kolb canvas.drawArc(mDial, mDialAngle, 45, false, mFocusPaint); 694673da081181c72352d57c9bf97badb2929370685Michael Kolb canvas.drawArc(mDial, mDialAngle + 180, 45, false, mFocusPaint); 695673da081181c72352d57c9bf97badb2929370685Michael Kolb drawLine(canvas, mDialAngle, mFocusPaint); 696673da081181c72352d57c9bf97badb2929370685Michael Kolb drawLine(canvas, mDialAngle + 45, mFocusPaint); 697673da081181c72352d57c9bf97badb2929370685Michael Kolb drawLine(canvas, mDialAngle + 180, mFocusPaint); 698673da081181c72352d57c9bf97badb2929370685Michael Kolb drawLine(canvas, mDialAngle + 225, mFocusPaint); 699673da081181c72352d57c9bf97badb2929370685Michael Kolb mFocusPaint.setColor(color); 7008042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7018042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 7028042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private void drawLine(Canvas canvas, int angle, Paint p) { 7038042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb convertCart(angle, mCircleSize - mInnerOffset, mPoint1); 7048042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb convertCart(angle, mCircleSize - mInnerOffset + mInnerOffset / 3, mPoint2); 7058042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb canvas.drawLine(mPoint1.x + mFocusX, mPoint1.y + mFocusY, 7068042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mPoint2.x + mFocusX, mPoint2.y + mFocusY, p); 7078042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7088042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 7098042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private static void convertCart(int angle, int radius, Point out) { 7108042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb double a = 2 * Math.PI * (angle % 360) / 360; 7118042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb out.x = (int) (radius * Math.cos(a) + 0.5); 7128042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb out.y = (int) (radius * Math.sin(a) + 0.5); 7138042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7148042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 7158042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb @Override 7168042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public void showStart() { 717b8c5a15af9e8f1adb1849072a6f5a1830887b43eMichael Kolb if (mAnimating) { 718b8c5a15af9e8f1adb1849072a6f5a1830887b43eMichael Kolb mState = STATE_IDLE; 719d867ac51170831bf4e6021453fdc4468e10087c7Michael Kolb resetAnimation(); 720b8c5a15af9e8f1adb1849072a6f5a1830887b43eMichael Kolb } 7218042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb if (mState == STATE_IDLE) { 722a0dd52298b55357a711663180677efa39d35e5abMichael Kolb if (mFocusFromTap) { 723a0dd52298b55357a711663180677efa39d35e5abMichael Kolb mHandler.removeMessages(MSG_FOCUS_TAP); 724a0dd52298b55357a711663180677efa39d35e5abMichael Kolb mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_FOCUS_TAP), 725a0dd52298b55357a711663180677efa39d35e5abMichael Kolb FOCUS_TAP_TIMEOUT); 726a0dd52298b55357a711663180677efa39d35e5abMichael Kolb } 727673da081181c72352d57c9bf97badb2929370685Michael Kolb mStartAnimationAngle = 67; 7288042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb int range = getRandomRange(); 729673da081181c72352d57c9bf97badb2929370685Michael Kolb startAnimation(SCALING_UP_TIME, 730673da081181c72352d57c9bf97badb2929370685Michael Kolb false, mStartAnimationAngle, mStartAnimationAngle + range); 7318042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mState = STATE_FOCUSING; 7328042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7338042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7348042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 7358042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb @Override 7368042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public void showSuccess(boolean timeout) { 7378042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb if (mState == STATE_FOCUSING) { 738673da081181c72352d57c9bf97badb2929370685Michael Kolb startAnimation(SCALING_DOWN_TIME, 7398042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb timeout, mStartAnimationAngle); 7408042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mState = STATE_FINISHING; 7418042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocused = true; 7428042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7438042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7448042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 7458042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb @Override 7468042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public void showFail(boolean timeout) { 7478042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb if (mState == STATE_FOCUSING) { 748673da081181c72352d57c9bf97badb2929370685Michael Kolb startAnimation(SCALING_DOWN_TIME, 7498042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb timeout, mStartAnimationAngle); 7508042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mState = STATE_FINISHING; 7518042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocused = false; 7528042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7538042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7548042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 7558042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb @Override 7568042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public void clear() { 757b986d1e51d776706cb3603a9c386772da6d7cf48Michael Kolb if (mState == STATE_PIE) return; 7588042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mAnimation.cancel(); 7598042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocused = false; 760a0dd52298b55357a711663180677efa39d35e5abMichael Kolb mFocusFromTap = false; 7618042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mOverlay.removeCallbacks(mDisappear); 7628042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mDisappear.run(); 7638042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7648042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 765673da081181c72352d57c9bf97badb2929370685Michael Kolb private void startAnimation(long duration, boolean timeout, 7668042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb float toScale) { 767673da081181c72352d57c9bf97badb2929370685Michael Kolb startAnimation(duration, timeout, mDialAngle, 7688042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb toScale); 7698042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7708042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 771673da081181c72352d57c9bf97badb2929370685Michael Kolb private void startAnimation(long duration, boolean timeout, 7728042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb float fromScale, float toScale) { 7738042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb setVisible(true); 7748042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mAnimation.cancel(); 7758042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mAnimation.reset(); 7768042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mAnimation.setDuration(duration); 7778042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mAnimation.setScale(fromScale, toScale); 7788042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mAnimation.setAnimationListener(timeout ? mEndAction : null); 7798042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mOverlay.startAnimation(mAnimation); 7808042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb update(); 7818042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7828042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 7838042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private class EndAction implements Animation.AnimationListener { 7848042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb @Override 7858042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public void onAnimationEnd(Animation animation) { 7868042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb // Keep the focus indicator for some time. 7878042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mOverlay.postDelayed(mDisappear, DISAPPEAR_TIMEOUT); 7888042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7898042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 7908042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb @Override 7918042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public void onAnimationRepeat(Animation animation) { 7928042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7938042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 7948042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb @Override 7958042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public void onAnimationStart(Animation animation) { 7968042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7978042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 7988042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 7998042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private class Disappear implements Runnable { 8008042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb @Override 8018042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public void run() { 8028042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb setVisible(false); 8038042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusX = mCenterX; 8048042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocusY = mCenterY; 8058042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mState = STATE_IDLE; 8068042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb setCircle(mFocusX, mFocusY); 8078042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb setupPie(mFocusX, mFocusY); 8088042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFocused = false; 8098042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 8108042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 8118042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 8128042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private class ScaleAnimation extends Animation { 8138042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private float mFrom = 1f; 8148042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb private float mTo = 1f; 8158042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 8168042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public ScaleAnimation() { 8178042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb setFillAfter(true); 8188042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 8198042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 8208042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb public void setScale(float from, float to) { 8218042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mFrom = from; 8228042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mTo = to; 8238042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb } 8248042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb 825c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb @Override 826c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb protected void applyTransformation(float interpolatedTime, Transformation t) { 8278042e7045f3e11dd49d40eebe603eb5fe12d711aMichael Kolb mDialAngle = (int)(mFrom + (mTo - mFrom) * interpolatedTime); 828c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb } 829c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb } 830c605826581f2ef1640828af82dbf26a70d4c7c78Michael Kolb 8311373b98135b2854578111dd535e24d39c8853f14Michael Kolb} 832