PointerLocationView.java revision 8d60866e2100db70ecf0502c14768a384514d7e9
1f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root/* 2f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * Copyright (C) 2010 The Android Open Source Project 3f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * 4f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * Licensed under the Apache License, Version 2.0 (the "License"); 5f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * you may not use this file except in compliance with the License. 6f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * You may obtain a copy of the License at 7f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * 8f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * http://www.apache.org/licenses/LICENSE-2.0 9f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * 10f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * Unless required by applicable law or agreed to in writing, software 11f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * distributed under the License is distributed on an "AS IS" BASIS, 12f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * See the License for the specific language governing permissions and 14f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root * limitations under the License. 15f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root */ 16f8d0f095e34f8d661ca5b7d555d8610272099bffKenny Root 17829778843cf459384841f9f4ecafe862b6228d6eDianne Hackbornpackage com.android.internal.widget; 1890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 1990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.content.Context; 2090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.graphics.Canvas; 2190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.graphics.Paint; 228d60866e2100db70ecf0502c14768a384514d7e9Jeff Brownimport android.graphics.RectF; 2390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.graphics.Paint.FontMetricsInt; 2490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.util.Log; 258d60866e2100db70ecf0502c14768a384514d7e9Jeff Brownimport android.view.InputDevice; 2690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.view.MotionEvent; 2790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.view.VelocityTracker; 2890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.view.View; 2990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.view.ViewConfiguration; 3090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 3190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport java.util.ArrayList; 3290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 3390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornpublic class PointerLocationView extends View { 348d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private static final String TAG = "Pointer"; 358d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 3690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn public static class PointerState { 378d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Trace of previous points. 388d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private float[] mTraceX = new float[32]; 398d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private float[] mTraceY = new float[32]; 408d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private int mTraceCount; 418d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 428d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // True if the pointer is down. 4390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private boolean mCurDown; 448d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 458d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Most recent coordinates. 468d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private MotionEvent.PointerCoords mCoords = new MotionEvent.PointerCoords(); 478d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 488d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Most recent velocity. 499e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown private float mXVelocity; 509e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown private float mYVelocity; 518d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 528d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public void clearTrace() { 538d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mTraceCount = 0; 548d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 558d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 568d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public void addTrace(float x, float y) { 578d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int traceCapacity = mTraceX.length; 588d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (mTraceCount == traceCapacity) { 598d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown traceCapacity *= 2; 608d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float[] newTraceX = new float[traceCapacity]; 618d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown System.arraycopy(mTraceX, 0, newTraceX, 0, mTraceCount); 628d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mTraceX = newTraceX; 638d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 648d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float[] newTraceY = new float[traceCapacity]; 658d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown System.arraycopy(mTraceY, 0, newTraceY, 0, mTraceCount); 668d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mTraceY = newTraceY; 678d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 688d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 698d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mTraceX[mTraceCount] = x; 708d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mTraceY[mTraceCount] = y; 718d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mTraceCount += 1; 728d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 7490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 7590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final ViewConfiguration mVC; 7690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final Paint mTextPaint; 7790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final Paint mTextBackgroundPaint; 7890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final Paint mTextLevelPaint; 7990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final Paint mPaint; 8090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final Paint mTargetPaint; 8190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final Paint mPathPaint; 8290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final FontMetricsInt mTextMetrics = new FontMetricsInt(); 8390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private int mHeaderBottom; 8490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private boolean mCurDown; 8590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private int mCurNumPointers; 8690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private int mMaxNumPointers; 878d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private final ArrayList<PointerState> mPointers = new ArrayList<PointerState>(); 8890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 899e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown private final VelocityTracker mVelocity; 909e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown 918d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private final FasterStringBuilder mText = new FasterStringBuilder(); 928d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 9390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private boolean mPrintCoords = true; 9490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 9590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn public PointerLocationView(Context c) { 9690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn super(c); 977d9af5ae762c59e879a86e77dcb330856774bc09Dianne Hackborn setFocusable(true); 9890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mVC = ViewConfiguration.get(c); 9990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextPaint = new Paint(); 10090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextPaint.setAntiAlias(true); 10190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextPaint.setTextSize(10 10290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn * getResources().getDisplayMetrics().density); 10390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextPaint.setARGB(255, 0, 0, 0); 10490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextBackgroundPaint = new Paint(); 10590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextBackgroundPaint.setAntiAlias(false); 10690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextBackgroundPaint.setARGB(128, 255, 255, 255); 10790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextLevelPaint = new Paint(); 10890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextLevelPaint.setAntiAlias(false); 10990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextLevelPaint.setARGB(192, 255, 0, 0); 11090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint = new Paint(); 11190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setAntiAlias(true); 11290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setARGB(255, 255, 255, 255); 11390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setStyle(Paint.Style.STROKE); 11490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setStrokeWidth(2); 11590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTargetPaint = new Paint(); 11690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTargetPaint.setAntiAlias(false); 11790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTargetPaint.setARGB(255, 0, 0, 192); 11890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPathPaint = new Paint(); 11990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPathPaint.setAntiAlias(false); 12090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPathPaint.setARGB(255, 0, 96, 255); 12190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setStyle(Paint.Style.STROKE); 12290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setStrokeWidth(1); 12390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 12490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn PointerState ps = new PointerState(); 12590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPointers.add(ps); 1269e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown 1279e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown mVelocity = VelocityTracker.obtain(); 1288d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 1298d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown logInputDeviceCapabilities(); 1308d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 1318d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 1328d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private void logInputDeviceCapabilities() { 1338d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int[] deviceIds = InputDevice.getDeviceIds(); 1348d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown for (int i = 0; i < deviceIds.length; i++) { 1358d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown InputDevice device = InputDevice.getDevice(deviceIds[i]); 1368d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (device != null) { 1378d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown Log.i(TAG, device.toString()); 1388d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 1398d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 14090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 14190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 14290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn public void setPrintCoords(boolean state) { 14390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPrintCoords = state; 14490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 14590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 14690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn @Override 14790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 14890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn super.onMeasure(widthMeasureSpec, heightMeasureSpec); 14990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextPaint.getFontMetricsInt(mTextMetrics); 15090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mHeaderBottom = -mTextMetrics.ascent+mTextMetrics.descent+2; 15190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if (false) { 15290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn Log.i("foo", "Metrics: ascent=" + mTextMetrics.ascent 15390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn + " descent=" + mTextMetrics.descent 15490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn + " leading=" + mTextMetrics.leading 15590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn + " top=" + mTextMetrics.top 15690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn + " bottom=" + mTextMetrics.bottom); 15790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 15890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 1598d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 1608d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Draw an oval. When angle is 0 radians, orients the major axis vertically, 1618d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // angles less than or greater than 0 radians rotate the major axis left or right. 1628d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private RectF mReusableOvalRect = new RectF(); 1638d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private void drawOval(Canvas canvas, float x, float y, float major, float minor, 1648d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float angle, Paint paint) { 1658d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.save(Canvas.MATRIX_SAVE_FLAG); 1668d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.rotate((float) (angle * 180 / Math.PI), x, y); 1678d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mReusableOvalRect.left = x - minor / 2; 1688d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mReusableOvalRect.right = x + minor / 2; 1698d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mReusableOvalRect.top = y - major / 2; 1708d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mReusableOvalRect.bottom = y + major / 2; 1718d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawOval(mReusableOvalRect, paint); 1728d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.restore(); 1738d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 17490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 17590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn @Override 17690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn protected void onDraw(Canvas canvas) { 17790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn synchronized (mPointers) { 17890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn final int w = getWidth(); 17990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn final int itemW = w/7; 18090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn final int base = -mTextMetrics.ascent+1; 18190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn final int bottom = mHeaderBottom; 18290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 18390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn final int NP = mPointers.size(); 18490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 1858d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Labels 18690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if (NP > 0) { 18790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn final PointerState ps = mPointers.get(0); 18890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn canvas.drawRect(0, 0, itemW-1, bottom,mTextBackgroundPaint); 1898d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 1908d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append("P: ").append(mCurNumPointers) 1918d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" / ").append(mMaxNumPointers) 1928d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .toString(), 1, base, mTextPaint); 19390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 1948d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int N = ps.mTraceCount; 19590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if ((mCurDown && ps.mCurDown) || N == 0) { 19690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn canvas.drawRect(itemW, 0, (itemW * 2) - 1, bottom, mTextBackgroundPaint); 1978d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 1988d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append("X: ").append(ps.mCoords.x, 1) 1998d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .toString(), 1 + itemW, base, mTextPaint); 20090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn canvas.drawRect(itemW * 2, 0, (itemW * 3) - 1, bottom, mTextBackgroundPaint); 2018d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 2028d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append("Y: ").append(ps.mCoords.y, 1) 2038d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .toString(), 1 + itemW * 2, base, mTextPaint); 20490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } else { 2058d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float dx = ps.mTraceX[N - 1] - ps.mTraceX[0]; 2068d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float dy = ps.mTraceY[N - 1] - ps.mTraceY[0]; 20790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn canvas.drawRect(itemW, 0, (itemW * 2) - 1, bottom, 20890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn Math.abs(dx) < mVC.getScaledTouchSlop() 20990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn ? mTextBackgroundPaint : mTextLevelPaint); 2108d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 2118d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append("dX: ").append(dx, 1) 2128d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .toString(), 1 + itemW, base, mTextPaint); 21390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn canvas.drawRect(itemW * 2, 0, (itemW * 3) - 1, bottom, 21490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn Math.abs(dy) < mVC.getScaledTouchSlop() 21590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn ? mTextBackgroundPaint : mTextLevelPaint); 2168d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 2178d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append("dY: ").append(dy, 1) 2188d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .toString(), 1 + itemW * 2, base, mTextPaint); 21990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 22090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 22190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn canvas.drawRect(itemW * 3, 0, (itemW * 4) - 1, bottom, mTextBackgroundPaint); 2228d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 2238d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append("Xv: ").append(ps.mXVelocity, 3) 2248d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .toString(), 1 + itemW * 3, base, mTextPaint); 22590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 22690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn canvas.drawRect(itemW * 4, 0, (itemW * 5) - 1, bottom, mTextBackgroundPaint); 2278d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 2288d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append("Yv: ").append(ps.mYVelocity, 3) 2298d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .toString(), 1 + itemW * 4, base, mTextPaint); 23090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 23190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn canvas.drawRect(itemW * 5, 0, (itemW * 6) - 1, bottom, mTextBackgroundPaint); 2328d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawRect(itemW * 5, 0, (itemW * 5) + (ps.mCoords.pressure * itemW) - 1, 23390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn bottom, mTextLevelPaint); 2348d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 2358d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append("Prs: ").append(ps.mCoords.pressure, 2) 2368d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .toString(), 1 + itemW * 5, base, mTextPaint); 23790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 23890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn canvas.drawRect(itemW * 6, 0, w, bottom, mTextBackgroundPaint); 2398d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawRect(itemW * 6, 0, (itemW * 6) + (ps.mCoords.size * itemW) - 1, 24090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn bottom, mTextLevelPaint); 2418d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 2428d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append("Size: ").append(ps.mCoords.size, 2) 2438d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .toString(), 1 + itemW * 6, base, mTextPaint); 24490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 24590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 2468d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Pointer trace. 2478d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown for (int p = 0; p < NP; p++) { 24890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn final PointerState ps = mPointers.get(p); 24990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 2508d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Draw path. 2518d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int N = ps.mTraceCount; 2528d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float lastX = 0, lastY = 0; 25390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn boolean haveLast = false; 25490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn boolean drawn = false; 25590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setARGB(255, 128, 255, 255); 2568d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown for (int i=0; i < N; i++) { 2578d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float x = ps.mTraceX[i]; 2588d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float y = ps.mTraceY[i]; 25990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if (Float.isNaN(x)) { 26090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn haveLast = false; 26190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn continue; 26290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 26390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if (haveLast) { 26490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn canvas.drawLine(lastX, lastY, x, y, mPathPaint); 26590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn canvas.drawPoint(lastX, lastY, mPaint); 26690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn drawn = true; 26790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 26890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn lastX = x; 26990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn lastY = y; 27090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn haveLast = true; 27190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 27290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 2738d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Draw velocity vector. 27490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if (drawn) { 2759e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown mPaint.setARGB(255, 255, 64, 128); 2768d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float xVel = ps.mXVelocity * (1000 / 60); 2778d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float yVel = ps.mYVelocity * (1000 / 60); 2788d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawLine(lastX, lastY, lastX + xVel, lastY + yVel, mPaint); 2798d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 2808d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 2818d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (mCurDown && ps.mCurDown) { 2828d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Draw crosshairs. 2838d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawLine(0, ps.mCoords.y, getWidth(), ps.mCoords.y, mTargetPaint); 2848d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawLine(ps.mCoords.x, 0, ps.mCoords.x, getHeight(), mTargetPaint); 2858d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 2868d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Draw current point. 2878d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int pressureLevel = (int)(ps.mCoords.pressure * 255); 2888d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mPaint.setARGB(255, pressureLevel, 255, 255 - pressureLevel); 2898d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawPoint(ps.mCoords.x, ps.mCoords.y, mPaint); 2908d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 2918d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Draw current touch ellipse. 2928d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mPaint.setARGB(255, pressureLevel, 255 - pressureLevel, 128); 2938d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown drawOval(canvas, ps.mCoords.x, ps.mCoords.y, ps.mCoords.touchMajor, 2948d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown ps.mCoords.touchMinor, ps.mCoords.orientation, mPaint); 2958d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 2968d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Draw current tool ellipse. 2978d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mPaint.setARGB(255, pressureLevel, 128, 255 - pressureLevel); 2988d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown drawOval(canvas, ps.mCoords.x, ps.mCoords.y, ps.mCoords.toolMajor, 2998d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown ps.mCoords.toolMinor, ps.mCoords.orientation, mPaint); 30090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 30190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 30290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 30390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 3048d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 3058d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private void logPointerCoords(MotionEvent.PointerCoords coords, int id) { 3068d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown Log.i(TAG, mText.clear() 3078d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append("Pointer ").append(id + 1) 3088d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(": (").append(coords.x, 3).append(", ").append(coords.y, 3) 3098d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(") Pressure=").append(coords.pressure, 3) 3108d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" Size=").append(coords.size, 3) 3118d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" TouchMajor=").append(coords.touchMajor, 3) 3128d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" TouchMinor=").append(coords.touchMinor, 3) 3138d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" ToolMajor=").append(coords.toolMajor, 3) 3148d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" ToolMinor=").append(coords.toolMinor, 3) 3158d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" Orientation=").append((float)(coords.orientation * 180 / Math.PI), 1) 3168d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append("deg").toString()); 3178d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 31890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 31990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn public void addTouchEvent(MotionEvent event) { 32090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn synchronized (mPointers) { 32190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn int action = event.getAction(); 32290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 3238d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown //Log.i(TAG, "Motion: action=0x" + Integer.toHexString(action) 32490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn // + " pointers=" + event.getPointerCount()); 32590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 32690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn int NP = mPointers.size(); 32790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 32890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn //mRect.set(0, 0, getWidth(), mHeaderBottom+1); 32990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn //invalidate(mRect); 33090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn //if (mCurDown) { 33190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn // mRect.set(mCurX-mCurWidth-3, mCurY-mCurWidth-3, 33290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn // mCurX+mCurWidth+3, mCurY+mCurWidth+3); 33390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn //} else { 33490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn // mRect.setEmpty(); 33590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn //} 3368d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (action == MotionEvent.ACTION_DOWN 3378d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown || (action & MotionEvent.ACTION_MASK) == MotionEvent.ACTION_POINTER_DOWN) { 3388d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int index = (action & MotionEvent.ACTION_POINTER_INDEX_MASK) 3398d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown >> MotionEvent.ACTION_POINTER_INDEX_SHIFT; // will be 0 for down 3408d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (action == MotionEvent.ACTION_DOWN) { 3418d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown for (int p=0; p<NP; p++) { 3428d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final PointerState ps = mPointers.get(p); 3438d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown ps.clearTrace(); 3448d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown ps.mCurDown = false; 3458d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 3468d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mCurDown = true; 3478d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mMaxNumPointers = 0; 3488d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mVelocity.clear(); 34990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 3508d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 351b125dc5599468a09d82751cd76152071ae485afbDianne Hackborn final int id = event.getPointerId(index); 35290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn while (NP <= id) { 35390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn PointerState ps = new PointerState(); 35490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPointers.add(ps); 35590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn NP++; 35690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 3578d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 35890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn final PointerState ps = mPointers.get(id); 35990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn ps.mCurDown = true; 36090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if (mPrintCoords) { 3618d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown Log.i(TAG, mText.clear().append("Pointer ") 3628d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(id + 1).append(": DOWN").toString()); 36390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 36490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 36590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 36690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn final int NI = event.getPointerCount(); 36790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 36890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mCurDown = action != MotionEvent.ACTION_UP 36990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn && action != MotionEvent.ACTION_CANCEL; 37090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mCurNumPointers = mCurDown ? NI : 0; 37190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if (mMaxNumPointers < mCurNumPointers) { 37290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mMaxNumPointers = mCurNumPointers; 37390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 3749e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown 3759e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown mVelocity.addMovement(event); 3769e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown mVelocity.computeCurrentVelocity(1); 37790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 37890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn for (int i=0; i<NI; i++) { 379b125dc5599468a09d82751cd76152071ae485afbDianne Hackborn final int id = event.getPointerId(i); 380b125dc5599468a09d82751cd76152071ae485afbDianne Hackborn final PointerState ps = mPointers.get(id); 38190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn final int N = event.getHistorySize(); 38290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn for (int j=0; j<N; j++) { 3838d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown event.getHistoricalPointerCoords(i, j, ps.mCoords); 38490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if (mPrintCoords) { 3858d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown logPointerCoords(ps.mCoords, id); 38690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 3878d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown ps.addTrace(event.getHistoricalX(i, j), event.getHistoricalY(i, j)); 38890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 3898d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown event.getPointerCoords(i, ps.mCoords); 39090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if (mPrintCoords) { 3918d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown logPointerCoords(ps.mCoords, id); 39290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 3938d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown ps.addTrace(ps.mCoords.x, ps.mCoords.y); 3949e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown ps.mXVelocity = mVelocity.getXVelocity(id); 3959e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown ps.mYVelocity = mVelocity.getYVelocity(id); 39690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 39790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 3988d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (action == MotionEvent.ACTION_UP 3998d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown || (action & MotionEvent.ACTION_MASK) == MotionEvent.ACTION_POINTER_UP) { 4008d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int index = (action & MotionEvent.ACTION_POINTER_INDEX_MASK) 4018d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown >> MotionEvent.ACTION_POINTER_INDEX_SHIFT; // will be 0 for UP 4028d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 403b125dc5599468a09d82751cd76152071ae485afbDianne Hackborn final int id = event.getPointerId(index); 40490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn final PointerState ps = mPointers.get(id); 40590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn ps.mCurDown = false; 40690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if (mPrintCoords) { 4078d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown Log.i(TAG, mText.clear().append("Pointer ") 4088d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(id + 1).append(": UP").toString()); 40990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 4108d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 4118d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (action == MotionEvent.ACTION_UP) { 4128d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mCurDown = false; 4138d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } else { 4148d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown ps.addTrace(Float.NaN, Float.NaN); 41590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 41690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 41790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 41890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn //if (mCurDown) { 41990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn // mRect.union(mCurX-mCurWidth-3, mCurY-mCurWidth-3, 42090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn // mCurX+mCurWidth+3, mCurY+mCurWidth+3); 42190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn //} 42290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn //invalidate(mRect); 42390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn postInvalidate(); 42490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 42590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 42690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 42790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn @Override 42890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn public boolean onTouchEvent(MotionEvent event) { 42990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn addTouchEvent(event); 43090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn return true; 43190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 4327d9af5ae762c59e879a86e77dcb330856774bc09Dianne Hackborn 4337d9af5ae762c59e879a86e77dcb330856774bc09Dianne Hackborn @Override 4347d9af5ae762c59e879a86e77dcb330856774bc09Dianne Hackborn public boolean onTrackballEvent(MotionEvent event) { 4358d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown Log.i(TAG, "Trackball: " + event); 4367d9af5ae762c59e879a86e77dcb330856774bc09Dianne Hackborn return super.onTrackballEvent(event); 4377d9af5ae762c59e879a86e77dcb330856774bc09Dianne Hackborn } 4387d9af5ae762c59e879a86e77dcb330856774bc09Dianne Hackborn 4398d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // HACK 4408d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // A quick and dirty string builder implementation optimized for GC. 4418d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Using the basic StringBuilder implementation causes the application grind to a halt when 4428d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // more than a couple of pointers are down due to the number of temporary objects allocated 4438d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // while formatting strings for drawing or logging. 4448d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private static final class FasterStringBuilder { 4458d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private char[] mChars; 4468d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private int mLength; 4478d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 4488d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public FasterStringBuilder() { 4498d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mChars = new char[64]; 4508d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 4518d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 4528d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public FasterStringBuilder clear() { 4538d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mLength = 0; 4548d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return this; 4558d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 4568d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 4578d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public FasterStringBuilder append(String value) { 4588d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int valueLength = value.length(); 4598d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int index = reserve(valueLength); 4608d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown value.getChars(0, valueLength, mChars, index); 4618d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mLength += valueLength; 4628d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return this; 4638d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 4648d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 4658d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public FasterStringBuilder append(int value) { 4668d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return append(value, 0); 4678d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 4688d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 4698d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public FasterStringBuilder append(int value, int zeroPadWidth) { 4708d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final boolean negative = value < 0; 4718d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (negative) { 4728d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown value = - value; 4738d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (value < 0) { 4748d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown append("-2147483648"); 4758d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return this; 4768d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 4778d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 4788d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 4798d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int index = reserve(11); 4808d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final char[] chars = mChars; 4818d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 4828d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (value == 0) { 4838d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown chars[index++] = '0'; 4848d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mLength += 1; 4858d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return this; 4868d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 4878d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 4888d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (negative) { 4898d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown chars[index++] = '-'; 4908d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 4918d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 4928d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int divisor = 1000000000; 4938d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int numberWidth = 10; 4948d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown while (value < divisor) { 4958d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown divisor /= 10; 4968d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown numberWidth -= 1; 4978d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (numberWidth < zeroPadWidth) { 4988d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown chars[index++] = '0'; 4998d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 5008d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 5018d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 5028d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown do { 5038d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int digit = value / divisor; 5048d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown value -= digit * divisor; 5058d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown divisor /= 10; 5068d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown chars[index++] = (char) (digit + '0'); 5078d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } while (divisor != 0); 5088d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 5098d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mLength = index; 5108d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return this; 5118d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 5128d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 5138d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public FasterStringBuilder append(float value, int precision) { 5148d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int scale = 1; 5158d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown for (int i = 0; i < precision; i++) { 5168d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown scale *= 10; 5178d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 5188d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown value = (float) (Math.rint(value * scale) / scale); 5198d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 5208d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown append((int) value); 5218d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 5228d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (precision != 0) { 5238d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown append("."); 5248d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown value = Math.abs(value); 5258d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown value -= Math.floor(value); 5268d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown append((int) (value * scale), precision); 5278d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 5288d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 5298d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return this; 5308d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 5318d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 5328d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown @Override 5338d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public String toString() { 5348d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return new String(mChars, 0, mLength); 5358d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 5368d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 5378d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private int reserve(int length) { 5388d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int oldLength = mLength; 5398d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int newLength = mLength + length; 5408d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final char[] oldChars = mChars; 5418d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int oldCapacity = oldChars.length; 5428d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (newLength > oldCapacity) { 5438d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int newCapacity = oldCapacity * 2; 5448d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final char[] newChars = new char[newCapacity]; 5458d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown System.arraycopy(oldChars, 0, newChars, 0, oldLength); 5468d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mChars = newChars; 5478d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 5488d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return oldLength; 5498d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 5508d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 55190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn} 552