PointerLocationView.java revision 85bd0d62830a098c1bdc720dfdcf4fe1b18b657c
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; 24af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brownimport android.hardware.input.InputManager; 25af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brownimport android.hardware.input.InputManager.InputDeviceListener; 2690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.util.Log; 278d60866e2100db70ecf0502c14768a384514d7e9Jeff Brownimport android.view.InputDevice; 28c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brownimport android.view.KeyEvent; 2990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.view.MotionEvent; 3090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.view.VelocityTracker; 3190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.view.View; 3290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport android.view.ViewConfiguration; 33cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brownimport android.view.MotionEvent.PointerCoords; 3490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 3590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackbornimport java.util.ArrayList; 3690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 37af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brownpublic class PointerLocationView extends View implements InputDeviceListener { 388d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private static final String TAG = "Pointer"; 398d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 4090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn public static class PointerState { 418d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Trace of previous points. 428d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private float[] mTraceX = new float[32]; 438d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private float[] mTraceY = new float[32]; 448d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private int mTraceCount; 458d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 468d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // True if the pointer is down. 4790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private boolean mCurDown; 488d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 498d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Most recent coordinates. 50cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown private PointerCoords mCoords = new PointerCoords(); 5165fd251c3913fc921468a3dad190810db19eb9dfJeff Brown private int mToolType; 528d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 538d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Most recent velocity. 549e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown private float mXVelocity; 559e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown private float mYVelocity; 56b59ab9f41faafb358afb4f951de96f34a656e0b4Jeff Brown 57b59ab9f41faafb358afb4f951de96f34a656e0b4Jeff Brown // Position estimator. 58b59ab9f41faafb358afb4f951de96f34a656e0b4Jeff Brown private VelocityTracker.Estimator mEstimator = new VelocityTracker.Estimator(); 59b59ab9f41faafb358afb4f951de96f34a656e0b4Jeff Brown 608d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public void clearTrace() { 618d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mTraceCount = 0; 628d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 638d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 648d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public void addTrace(float x, float y) { 658d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int traceCapacity = mTraceX.length; 668d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (mTraceCount == traceCapacity) { 678d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown traceCapacity *= 2; 688d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float[] newTraceX = new float[traceCapacity]; 698d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown System.arraycopy(mTraceX, 0, newTraceX, 0, mTraceCount); 708d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mTraceX = newTraceX; 718d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 728d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float[] newTraceY = new float[traceCapacity]; 738d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown System.arraycopy(mTraceY, 0, newTraceY, 0, mTraceCount); 748d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mTraceY = newTraceY; 758d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 768d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 778d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mTraceX[mTraceCount] = x; 788d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mTraceY[mTraceCount] = y; 798d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mTraceCount += 1; 808d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 8190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 8290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 83b59ab9f41faafb358afb4f951de96f34a656e0b4Jeff Brown private final int ESTIMATE_PAST_POINTS = 4; 84b59ab9f41faafb358afb4f951de96f34a656e0b4Jeff Brown private final int ESTIMATE_FUTURE_POINTS = 2; 85b59ab9f41faafb358afb4f951de96f34a656e0b4Jeff Brown private final float ESTIMATE_INTERVAL = 0.02f; 86b59ab9f41faafb358afb4f951de96f34a656e0b4Jeff Brown 87af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown private final InputManager mIm; 88af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown 8990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final ViewConfiguration mVC; 9090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final Paint mTextPaint; 9190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final Paint mTextBackgroundPaint; 9290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final Paint mTextLevelPaint; 9390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final Paint mPaint; 9490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final Paint mTargetPaint; 9590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final Paint mPathPaint; 9690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private final FontMetricsInt mTextMetrics = new FontMetricsInt(); 9790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private int mHeaderBottom; 9890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private boolean mCurDown; 9990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private int mCurNumPointers; 10090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private int mMaxNumPointers; 101d1e0c371a651f024b3de62a686c56e369e3f361eJeff Brown private int mActivePointerId; 1028d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private final ArrayList<PointerState> mPointers = new ArrayList<PointerState>(); 10365fd251c3913fc921468a3dad190810db19eb9dfJeff Brown private final PointerCoords mTempCoords = new PointerCoords(); 10490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 1059e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown private final VelocityTracker mVelocity; 1069e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown 1078d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private final FasterStringBuilder mText = new FasterStringBuilder(); 1088d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 10990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn private boolean mPrintCoords = true; 11090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 11190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn public PointerLocationView(Context c) { 11290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn super(c); 113c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown setFocusableInTouchMode(true); 114c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown 115af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown mIm = (InputManager)c.getSystemService(Context.INPUT_SERVICE); 116af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown 11790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mVC = ViewConfiguration.get(c); 11890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextPaint = new Paint(); 11990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextPaint.setAntiAlias(true); 12090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextPaint.setTextSize(10 12190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn * getResources().getDisplayMetrics().density); 12290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextPaint.setARGB(255, 0, 0, 0); 12390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextBackgroundPaint = new Paint(); 12490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextBackgroundPaint.setAntiAlias(false); 12590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextBackgroundPaint.setARGB(128, 255, 255, 255); 12690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextLevelPaint = new Paint(); 12790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextLevelPaint.setAntiAlias(false); 12890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextLevelPaint.setARGB(192, 255, 0, 0); 12990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint = new Paint(); 13090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setAntiAlias(true); 13190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setARGB(255, 255, 255, 255); 13290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setStyle(Paint.Style.STROKE); 13390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setStrokeWidth(2); 13490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTargetPaint = new Paint(); 13590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTargetPaint.setAntiAlias(false); 13690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTargetPaint.setARGB(255, 0, 0, 192); 13790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPathPaint = new Paint(); 13890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPathPaint.setAntiAlias(false); 13990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPathPaint.setARGB(255, 0, 96, 255); 14090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setStyle(Paint.Style.STROKE); 14190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPaint.setStrokeWidth(1); 14290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 14390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn PointerState ps = new PointerState(); 14490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPointers.add(ps); 145d1e0c371a651f024b3de62a686c56e369e3f361eJeff Brown mActivePointerId = 0; 1469e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown 1479e2ad36be87f2703b3d737189944d82f93bd4f27Jeff Brown mVelocity = VelocityTracker.obtain(); 14890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 14990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 15090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn public void setPrintCoords(boolean state) { 15190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mPrintCoords = state; 15290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 15390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 15490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn @Override 15590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 15690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn super.onMeasure(widthMeasureSpec, heightMeasureSpec); 15790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mTextPaint.getFontMetricsInt(mTextMetrics); 15890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn mHeaderBottom = -mTextMetrics.ascent+mTextMetrics.descent+2; 15990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if (false) { 16090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn Log.i("foo", "Metrics: ascent=" + mTextMetrics.ascent 16190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn + " descent=" + mTextMetrics.descent 16290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn + " leading=" + mTextMetrics.leading 16390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn + " top=" + mTextMetrics.top 16490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn + " bottom=" + mTextMetrics.bottom); 16590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 16690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 1678d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 1688d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // Draw an oval. When angle is 0 radians, orients the major axis vertically, 1698d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // angles less than or greater than 0 radians rotate the major axis left or right. 1708d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private RectF mReusableOvalRect = new RectF(); 1718d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private void drawOval(Canvas canvas, float x, float y, float major, float minor, 1728d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown float angle, Paint paint) { 1738d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.save(Canvas.MATRIX_SAVE_FLAG); 1745068ad8d2396d6d7bfbdb1c2c3fe57104744f1f9Jeff Brown canvas.rotate((float) (angle * 180 / Math.PI), x, y); 1758d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mReusableOvalRect.left = x - minor / 2; 1768d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mReusableOvalRect.right = x + minor / 2; 1778d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mReusableOvalRect.top = y - major / 2; 1788d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mReusableOvalRect.bottom = y + major / 2; 1798d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawOval(mReusableOvalRect, paint); 1808d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.restore(); 1818d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 18290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 18390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn @Override 18490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn protected void onDraw(Canvas canvas) { 18570825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int w = getWidth(); 18670825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int itemW = w/7; 18770825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int base = -mTextMetrics.ascent+1; 18870825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int bottom = mHeaderBottom; 18970825161b5bf51ed48319e142751a9c88b104994Jeff Brown 19070825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int NP = mPointers.size(); 19170825161b5bf51ed48319e142751a9c88b104994Jeff Brown 19270825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Labels 19370825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (mActivePointerId >= 0) { 19470825161b5bf51ed48319e142751a9c88b104994Jeff Brown final PointerState ps = mPointers.get(mActivePointerId); 19590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 19670825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawRect(0, 0, itemW-1, bottom,mTextBackgroundPaint); 19770825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawText(mText.clear() 19870825161b5bf51ed48319e142751a9c88b104994Jeff Brown .append("P: ").append(mCurNumPointers) 19970825161b5bf51ed48319e142751a9c88b104994Jeff Brown .append(" / ").append(mMaxNumPointers) 20070825161b5bf51ed48319e142751a9c88b104994Jeff Brown .toString(), 1, base, mTextPaint); 20170825161b5bf51ed48319e142751a9c88b104994Jeff Brown 20270825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int N = ps.mTraceCount; 20370825161b5bf51ed48319e142751a9c88b104994Jeff Brown if ((mCurDown && ps.mCurDown) || N == 0) { 20470825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawRect(itemW, 0, (itemW * 2) - 1, bottom, mTextBackgroundPaint); 2058d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 20670825161b5bf51ed48319e142751a9c88b104994Jeff Brown .append("X: ").append(ps.mCoords.x, 1) 20770825161b5bf51ed48319e142751a9c88b104994Jeff Brown .toString(), 1 + itemW, base, mTextPaint); 20870825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawRect(itemW * 2, 0, (itemW * 3) - 1, bottom, mTextBackgroundPaint); 2098d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 21070825161b5bf51ed48319e142751a9c88b104994Jeff Brown .append("Y: ").append(ps.mCoords.y, 1) 21170825161b5bf51ed48319e142751a9c88b104994Jeff Brown .toString(), 1 + itemW * 2, base, mTextPaint); 21270825161b5bf51ed48319e142751a9c88b104994Jeff Brown } else { 21370825161b5bf51ed48319e142751a9c88b104994Jeff Brown float dx = ps.mTraceX[N - 1] - ps.mTraceX[0]; 21470825161b5bf51ed48319e142751a9c88b104994Jeff Brown float dy = ps.mTraceY[N - 1] - ps.mTraceY[0]; 21570825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawRect(itemW, 0, (itemW * 2) - 1, bottom, 21670825161b5bf51ed48319e142751a9c88b104994Jeff Brown Math.abs(dx) < mVC.getScaledTouchSlop() 21770825161b5bf51ed48319e142751a9c88b104994Jeff Brown ? mTextBackgroundPaint : mTextLevelPaint); 2188d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 21970825161b5bf51ed48319e142751a9c88b104994Jeff Brown .append("dX: ").append(dx, 1) 22070825161b5bf51ed48319e142751a9c88b104994Jeff Brown .toString(), 1 + itemW, base, mTextPaint); 22170825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawRect(itemW * 2, 0, (itemW * 3) - 1, bottom, 22270825161b5bf51ed48319e142751a9c88b104994Jeff Brown Math.abs(dy) < mVC.getScaledTouchSlop() 22370825161b5bf51ed48319e142751a9c88b104994Jeff Brown ? mTextBackgroundPaint : mTextLevelPaint); 2248d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown canvas.drawText(mText.clear() 22570825161b5bf51ed48319e142751a9c88b104994Jeff Brown .append("dY: ").append(dy, 1) 22670825161b5bf51ed48319e142751a9c88b104994Jeff Brown .toString(), 1 + itemW * 2, base, mTextPaint); 22790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 22870825161b5bf51ed48319e142751a9c88b104994Jeff Brown 22970825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawRect(itemW * 3, 0, (itemW * 4) - 1, bottom, mTextBackgroundPaint); 23070825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawText(mText.clear() 23170825161b5bf51ed48319e142751a9c88b104994Jeff Brown .append("Xv: ").append(ps.mXVelocity, 3) 23270825161b5bf51ed48319e142751a9c88b104994Jeff Brown .toString(), 1 + itemW * 3, base, mTextPaint); 23370825161b5bf51ed48319e142751a9c88b104994Jeff Brown 23470825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawRect(itemW * 4, 0, (itemW * 5) - 1, bottom, mTextBackgroundPaint); 23570825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawText(mText.clear() 23670825161b5bf51ed48319e142751a9c88b104994Jeff Brown .append("Yv: ").append(ps.mYVelocity, 3) 23770825161b5bf51ed48319e142751a9c88b104994Jeff Brown .toString(), 1 + itemW * 4, base, mTextPaint); 23870825161b5bf51ed48319e142751a9c88b104994Jeff Brown 23970825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawRect(itemW * 5, 0, (itemW * 6) - 1, bottom, mTextBackgroundPaint); 24070825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawRect(itemW * 5, 0, (itemW * 5) + (ps.mCoords.pressure * itemW) - 1, 24170825161b5bf51ed48319e142751a9c88b104994Jeff Brown bottom, mTextLevelPaint); 24270825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawText(mText.clear() 24370825161b5bf51ed48319e142751a9c88b104994Jeff Brown .append("Prs: ").append(ps.mCoords.pressure, 2) 24470825161b5bf51ed48319e142751a9c88b104994Jeff Brown .toString(), 1 + itemW * 5, base, mTextPaint); 24570825161b5bf51ed48319e142751a9c88b104994Jeff Brown 24670825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawRect(itemW * 6, 0, w, bottom, mTextBackgroundPaint); 24770825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawRect(itemW * 6, 0, (itemW * 6) + (ps.mCoords.size * itemW) - 1, 24870825161b5bf51ed48319e142751a9c88b104994Jeff Brown bottom, mTextLevelPaint); 24970825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawText(mText.clear() 25070825161b5bf51ed48319e142751a9c88b104994Jeff Brown .append("Size: ").append(ps.mCoords.size, 2) 25170825161b5bf51ed48319e142751a9c88b104994Jeff Brown .toString(), 1 + itemW * 6, base, mTextPaint); 25270825161b5bf51ed48319e142751a9c88b104994Jeff Brown } 25370825161b5bf51ed48319e142751a9c88b104994Jeff Brown 25470825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Pointer trace. 25570825161b5bf51ed48319e142751a9c88b104994Jeff Brown for (int p = 0; p < NP; p++) { 25670825161b5bf51ed48319e142751a9c88b104994Jeff Brown final PointerState ps = mPointers.get(p); 25770825161b5bf51ed48319e142751a9c88b104994Jeff Brown 25870825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Draw path. 25970825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int N = ps.mTraceCount; 26070825161b5bf51ed48319e142751a9c88b104994Jeff Brown float lastX = 0, lastY = 0; 26170825161b5bf51ed48319e142751a9c88b104994Jeff Brown boolean haveLast = false; 26270825161b5bf51ed48319e142751a9c88b104994Jeff Brown boolean drawn = false; 26370825161b5bf51ed48319e142751a9c88b104994Jeff Brown mPaint.setARGB(255, 128, 255, 255); 26470825161b5bf51ed48319e142751a9c88b104994Jeff Brown for (int i=0; i < N; i++) { 26570825161b5bf51ed48319e142751a9c88b104994Jeff Brown float x = ps.mTraceX[i]; 26670825161b5bf51ed48319e142751a9c88b104994Jeff Brown float y = ps.mTraceY[i]; 26770825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (Float.isNaN(x)) { 26870825161b5bf51ed48319e142751a9c88b104994Jeff Brown haveLast = false; 26970825161b5bf51ed48319e142751a9c88b104994Jeff Brown continue; 27090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 27170825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (haveLast) { 27270825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawLine(lastX, lastY, x, y, mPathPaint); 27370825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawPoint(lastX, lastY, mPaint); 27470825161b5bf51ed48319e142751a9c88b104994Jeff Brown drawn = true; 2758d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 27670825161b5bf51ed48319e142751a9c88b104994Jeff Brown lastX = x; 27770825161b5bf51ed48319e142751a9c88b104994Jeff Brown lastY = y; 27870825161b5bf51ed48319e142751a9c88b104994Jeff Brown haveLast = true; 27970825161b5bf51ed48319e142751a9c88b104994Jeff Brown } 28070825161b5bf51ed48319e142751a9c88b104994Jeff Brown 28170825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (drawn) { 28270825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Draw movement estimate curve. 28370825161b5bf51ed48319e142751a9c88b104994Jeff Brown mPaint.setARGB(128, 128, 0, 128); 28470825161b5bf51ed48319e142751a9c88b104994Jeff Brown float lx = ps.mEstimator.estimateX(-ESTIMATE_PAST_POINTS * ESTIMATE_INTERVAL); 28570825161b5bf51ed48319e142751a9c88b104994Jeff Brown float ly = ps.mEstimator.estimateY(-ESTIMATE_PAST_POINTS * ESTIMATE_INTERVAL); 28670825161b5bf51ed48319e142751a9c88b104994Jeff Brown for (int i = -ESTIMATE_PAST_POINTS + 1; i <= ESTIMATE_FUTURE_POINTS; i++) { 28770825161b5bf51ed48319e142751a9c88b104994Jeff Brown float x = ps.mEstimator.estimateX(i * ESTIMATE_INTERVAL); 28870825161b5bf51ed48319e142751a9c88b104994Jeff Brown float y = ps.mEstimator.estimateY(i * ESTIMATE_INTERVAL); 28970825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawLine(lx, ly, x, y, mPaint); 29070825161b5bf51ed48319e142751a9c88b104994Jeff Brown lx = x; 29170825161b5bf51ed48319e142751a9c88b104994Jeff Brown ly = y; 29270825161b5bf51ed48319e142751a9c88b104994Jeff Brown } 29370825161b5bf51ed48319e142751a9c88b104994Jeff Brown 29470825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Draw velocity vector. 29570825161b5bf51ed48319e142751a9c88b104994Jeff Brown mPaint.setARGB(255, 255, 64, 128); 29670825161b5bf51ed48319e142751a9c88b104994Jeff Brown float xVel = ps.mXVelocity * (1000 / 60); 29770825161b5bf51ed48319e142751a9c88b104994Jeff Brown float yVel = ps.mYVelocity * (1000 / 60); 29870825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawLine(lastX, lastY, lastX + xVel, lastY + yVel, mPaint); 29970825161b5bf51ed48319e142751a9c88b104994Jeff Brown } 30070825161b5bf51ed48319e142751a9c88b104994Jeff Brown 30170825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (mCurDown && ps.mCurDown) { 30270825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Draw crosshairs. 30370825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawLine(0, ps.mCoords.y, getWidth(), ps.mCoords.y, mTargetPaint); 30470825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawLine(ps.mCoords.x, 0, ps.mCoords.x, getHeight(), mTargetPaint); 30570825161b5bf51ed48319e142751a9c88b104994Jeff Brown 30670825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Draw current point. 30770825161b5bf51ed48319e142751a9c88b104994Jeff Brown int pressureLevel = (int)(ps.mCoords.pressure * 255); 30870825161b5bf51ed48319e142751a9c88b104994Jeff Brown mPaint.setARGB(255, pressureLevel, 255, 255 - pressureLevel); 30970825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawPoint(ps.mCoords.x, ps.mCoords.y, mPaint); 31070825161b5bf51ed48319e142751a9c88b104994Jeff Brown 31170825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Draw current touch ellipse. 31270825161b5bf51ed48319e142751a9c88b104994Jeff Brown mPaint.setARGB(255, pressureLevel, 255 - pressureLevel, 128); 31370825161b5bf51ed48319e142751a9c88b104994Jeff Brown drawOval(canvas, ps.mCoords.x, ps.mCoords.y, ps.mCoords.touchMajor, 31470825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCoords.touchMinor, ps.mCoords.orientation, mPaint); 31570825161b5bf51ed48319e142751a9c88b104994Jeff Brown 31670825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Draw current tool ellipse. 31770825161b5bf51ed48319e142751a9c88b104994Jeff Brown mPaint.setARGB(255, pressureLevel, 128, 255 - pressureLevel); 31870825161b5bf51ed48319e142751a9c88b104994Jeff Brown drawOval(canvas, ps.mCoords.x, ps.mCoords.y, ps.mCoords.toolMajor, 31970825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCoords.toolMinor, ps.mCoords.orientation, mPaint); 32070825161b5bf51ed48319e142751a9c88b104994Jeff Brown 32170825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Draw the orientation arrow. 32270825161b5bf51ed48319e142751a9c88b104994Jeff Brown float arrowSize = ps.mCoords.toolMajor * 0.7f; 32370825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (arrowSize < 20) { 32470825161b5bf51ed48319e142751a9c88b104994Jeff Brown arrowSize = 20; 32570825161b5bf51ed48319e142751a9c88b104994Jeff Brown } 32670825161b5bf51ed48319e142751a9c88b104994Jeff Brown mPaint.setARGB(255, pressureLevel, 255, 0); 32770825161b5bf51ed48319e142751a9c88b104994Jeff Brown float orientationVectorX = (float) (Math.sin(ps.mCoords.orientation) 32870825161b5bf51ed48319e142751a9c88b104994Jeff Brown * arrowSize); 32970825161b5bf51ed48319e142751a9c88b104994Jeff Brown float orientationVectorY = (float) (-Math.cos(ps.mCoords.orientation) 33070825161b5bf51ed48319e142751a9c88b104994Jeff Brown * arrowSize); 33170825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (ps.mToolType == MotionEvent.TOOL_TYPE_STYLUS 33270825161b5bf51ed48319e142751a9c88b104994Jeff Brown || ps.mToolType == MotionEvent.TOOL_TYPE_ERASER) { 33370825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Show full circle orientation. 33470825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawLine(ps.mCoords.x, ps.mCoords.y, 33570825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCoords.x + orientationVectorX, 33670825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCoords.y + orientationVectorY, 33770825161b5bf51ed48319e142751a9c88b104994Jeff Brown mPaint); 33870825161b5bf51ed48319e142751a9c88b104994Jeff Brown } else { 33970825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Show half circle orientation. 34070825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawLine( 34170825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCoords.x - orientationVectorX, 34270825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCoords.y - orientationVectorY, 34370825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCoords.x + orientationVectorX, 34470825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCoords.y + orientationVectorY, 34570825161b5bf51ed48319e142751a9c88b104994Jeff Brown mPaint); 34690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 34770825161b5bf51ed48319e142751a9c88b104994Jeff Brown 34870825161b5bf51ed48319e142751a9c88b104994Jeff Brown // Draw the tilt point along the orientation arrow. 34970825161b5bf51ed48319e142751a9c88b104994Jeff Brown float tiltScale = (float) Math.sin( 35070825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCoords.getAxisValue(MotionEvent.AXIS_TILT)); 35170825161b5bf51ed48319e142751a9c88b104994Jeff Brown canvas.drawCircle( 35270825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCoords.x + orientationVectorX * tiltScale, 35370825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCoords.y + orientationVectorY * tiltScale, 35470825161b5bf51ed48319e142751a9c88b104994Jeff Brown 3.0f, mPaint); 35590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 35690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 35790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 35865fd251c3913fc921468a3dad190810db19eb9dfJeff Brown 35965fd251c3913fc921468a3dad190810db19eb9dfJeff Brown private void logMotionEvent(String type, MotionEvent event) { 36065fd251c3913fc921468a3dad190810db19eb9dfJeff Brown final int action = event.getAction(); 36165fd251c3913fc921468a3dad190810db19eb9dfJeff Brown final int N = event.getHistorySize(); 36265fd251c3913fc921468a3dad190810db19eb9dfJeff Brown final int NI = event.getPointerCount(); 36365fd251c3913fc921468a3dad190810db19eb9dfJeff Brown for (int historyPos = 0; historyPos < N; historyPos++) { 36465fd251c3913fc921468a3dad190810db19eb9dfJeff Brown for (int i = 0; i < NI; i++) { 36565fd251c3913fc921468a3dad190810db19eb9dfJeff Brown final int id = event.getPointerId(i); 36665fd251c3913fc921468a3dad190810db19eb9dfJeff Brown event.getHistoricalPointerCoords(i, historyPos, mTempCoords); 36765fd251c3913fc921468a3dad190810db19eb9dfJeff Brown logCoords(type, action, i, mTempCoords, id, 36865fd251c3913fc921468a3dad190810db19eb9dfJeff Brown event.getToolType(i), event.getButtonState()); 36965fd251c3913fc921468a3dad190810db19eb9dfJeff Brown } 37065fd251c3913fc921468a3dad190810db19eb9dfJeff Brown } 37165fd251c3913fc921468a3dad190810db19eb9dfJeff Brown for (int i = 0; i < NI; i++) { 37265fd251c3913fc921468a3dad190810db19eb9dfJeff Brown final int id = event.getPointerId(i); 37365fd251c3913fc921468a3dad190810db19eb9dfJeff Brown event.getPointerCoords(i, mTempCoords); 37465fd251c3913fc921468a3dad190810db19eb9dfJeff Brown logCoords(type, action, i, mTempCoords, id, 37565fd251c3913fc921468a3dad190810db19eb9dfJeff Brown event.getToolType(i), event.getButtonState()); 37665fd251c3913fc921468a3dad190810db19eb9dfJeff Brown } 37765fd251c3913fc921468a3dad190810db19eb9dfJeff Brown } 37865fd251c3913fc921468a3dad190810db19eb9dfJeff Brown 37965fd251c3913fc921468a3dad190810db19eb9dfJeff Brown private void logCoords(String type, int action, int index, 38065fd251c3913fc921468a3dad190810db19eb9dfJeff Brown MotionEvent.PointerCoords coords, int id, int toolType, int buttonState) { 38133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown final String prefix; 38233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown switch (action & MotionEvent.ACTION_MASK) { 38333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown case MotionEvent.ACTION_DOWN: 38433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown prefix = "DOWN"; 38533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown break; 38633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown case MotionEvent.ACTION_UP: 38733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown prefix = "UP"; 38833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown break; 38933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown case MotionEvent.ACTION_MOVE: 39033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown prefix = "MOVE"; 39133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown break; 39233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown case MotionEvent.ACTION_CANCEL: 39333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown prefix = "CANCEL"; 39433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown break; 39533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown case MotionEvent.ACTION_OUTSIDE: 39633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown prefix = "OUTSIDE"; 39733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown break; 39833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown case MotionEvent.ACTION_POINTER_DOWN: 39933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (index == ((action & MotionEvent.ACTION_POINTER_INDEX_MASK) 40033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown >> MotionEvent.ACTION_POINTER_INDEX_SHIFT)) { 40133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown prefix = "DOWN"; 40233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } else { 40333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown prefix = "MOVE"; 40433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 40533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown break; 40633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown case MotionEvent.ACTION_POINTER_UP: 40733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown if (index == ((action & MotionEvent.ACTION_POINTER_INDEX_MASK) 40833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown >> MotionEvent.ACTION_POINTER_INDEX_SHIFT)) { 40933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown prefix = "UP"; 41033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } else { 41133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown prefix = "MOVE"; 41233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 41333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown break; 41433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown case MotionEvent.ACTION_HOVER_MOVE: 41533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown prefix = "HOVER MOVE"; 41633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown break; 417a032cc008618b83ecbbede537517d1e7998e3264Jeff Brown case MotionEvent.ACTION_HOVER_ENTER: 418a032cc008618b83ecbbede537517d1e7998e3264Jeff Brown prefix = "HOVER ENTER"; 419a032cc008618b83ecbbede537517d1e7998e3264Jeff Brown break; 420a032cc008618b83ecbbede537517d1e7998e3264Jeff Brown case MotionEvent.ACTION_HOVER_EXIT: 421a032cc008618b83ecbbede537517d1e7998e3264Jeff Brown prefix = "HOVER EXIT"; 422a032cc008618b83ecbbede537517d1e7998e3264Jeff Brown break; 42333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown case MotionEvent.ACTION_SCROLL: 42433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown prefix = "SCROLL"; 42533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown break; 42633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown default: 42733bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown prefix = Integer.toString(action); 42833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown break; 42933bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 43033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 4318d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown Log.i(TAG, mText.clear() 43265fd251c3913fc921468a3dad190810db19eb9dfJeff Brown .append(type).append(" id ").append(id + 1) 43333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown .append(": ") 43433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown .append(prefix) 43533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown .append(" (").append(coords.x, 3).append(", ").append(coords.y, 3) 4368d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(") Pressure=").append(coords.pressure, 3) 4378d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" Size=").append(coords.size, 3) 4388d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" TouchMajor=").append(coords.touchMajor, 3) 4398d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" TouchMinor=").append(coords.touchMinor, 3) 4408d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" ToolMajor=").append(coords.toolMajor, 3) 4418d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" ToolMinor=").append(coords.toolMinor, 3) 4428d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown .append(" Orientation=").append((float)(coords.orientation * 180 / Math.PI), 1) 4436f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown .append("deg") 44465fd251c3913fc921468a3dad190810db19eb9dfJeff Brown .append(" Tilt=").append((float)( 44565fd251c3913fc921468a3dad190810db19eb9dfJeff Brown coords.getAxisValue(MotionEvent.AXIS_TILT) * 180 / Math.PI), 1) 44665fd251c3913fc921468a3dad190810db19eb9dfJeff Brown .append("deg") 44780fd47ce75253dcdc2cfa85d7a3f42634b923a47Jeff Brown .append(" Distance=").append(coords.getAxisValue(MotionEvent.AXIS_DISTANCE), 1) 4486f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown .append(" VScroll=").append(coords.getAxisValue(MotionEvent.AXIS_VSCROLL), 1) 4496f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown .append(" HScroll=").append(coords.getAxisValue(MotionEvent.AXIS_HSCROLL), 1) 450fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown .append(" ToolType=").append(MotionEvent.toolTypeToString(toolType)) 451fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown .append(" ButtonState=").append(MotionEvent.buttonStateToString(buttonState)) 4526f2fba428ca5e77a26d991ad728e346cc47609eeJeff Brown .toString()); 4538d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 45490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 45533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown public void addPointerEvent(MotionEvent event) { 45670825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int action = event.getAction(); 45770825161b5bf51ed48319e142751a9c88b104994Jeff Brown int NP = mPointers.size(); 45833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 45970825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (action == MotionEvent.ACTION_DOWN 46070825161b5bf51ed48319e142751a9c88b104994Jeff Brown || (action & MotionEvent.ACTION_MASK) == MotionEvent.ACTION_POINTER_DOWN) { 46170825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int index = (action & MotionEvent.ACTION_POINTER_INDEX_MASK) 46270825161b5bf51ed48319e142751a9c88b104994Jeff Brown >> MotionEvent.ACTION_POINTER_INDEX_SHIFT; // will be 0 for down 46370825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (action == MotionEvent.ACTION_DOWN) { 46470825161b5bf51ed48319e142751a9c88b104994Jeff Brown for (int p=0; p<NP; p++) { 46570825161b5bf51ed48319e142751a9c88b104994Jeff Brown final PointerState ps = mPointers.get(p); 46670825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.clearTrace(); 46770825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCurDown = false; 46833bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 46970825161b5bf51ed48319e142751a9c88b104994Jeff Brown mCurDown = true; 47070825161b5bf51ed48319e142751a9c88b104994Jeff Brown mCurNumPointers = 0; 47170825161b5bf51ed48319e142751a9c88b104994Jeff Brown mMaxNumPointers = 0; 47270825161b5bf51ed48319e142751a9c88b104994Jeff Brown mVelocity.clear(); 47370825161b5bf51ed48319e142751a9c88b104994Jeff Brown } 47433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 47570825161b5bf51ed48319e142751a9c88b104994Jeff Brown mCurNumPointers += 1; 47670825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (mMaxNumPointers < mCurNumPointers) { 47770825161b5bf51ed48319e142751a9c88b104994Jeff Brown mMaxNumPointers = mCurNumPointers; 47890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 479cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown 48070825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int id = event.getPointerId(index); 48170825161b5bf51ed48319e142751a9c88b104994Jeff Brown while (NP <= id) { 48270825161b5bf51ed48319e142751a9c88b104994Jeff Brown PointerState ps = new PointerState(); 48370825161b5bf51ed48319e142751a9c88b104994Jeff Brown mPointers.add(ps); 48470825161b5bf51ed48319e142751a9c88b104994Jeff Brown NP++; 48570825161b5bf51ed48319e142751a9c88b104994Jeff Brown } 48670825161b5bf51ed48319e142751a9c88b104994Jeff Brown 48770825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (mActivePointerId < 0 || 48870825161b5bf51ed48319e142751a9c88b104994Jeff Brown !mPointers.get(mActivePointerId).mCurDown) { 48970825161b5bf51ed48319e142751a9c88b104994Jeff Brown mActivePointerId = id; 49033bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 49170825161b5bf51ed48319e142751a9c88b104994Jeff Brown 49270825161b5bf51ed48319e142751a9c88b104994Jeff Brown final PointerState ps = mPointers.get(id); 49370825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCurDown = true; 49470825161b5bf51ed48319e142751a9c88b104994Jeff Brown } 49570825161b5bf51ed48319e142751a9c88b104994Jeff Brown 49670825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int NI = event.getPointerCount(); 49770825161b5bf51ed48319e142751a9c88b104994Jeff Brown 49870825161b5bf51ed48319e142751a9c88b104994Jeff Brown mVelocity.addMovement(event); 49970825161b5bf51ed48319e142751a9c88b104994Jeff Brown mVelocity.computeCurrentVelocity(1); 50070825161b5bf51ed48319e142751a9c88b104994Jeff Brown 50170825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int N = event.getHistorySize(); 50270825161b5bf51ed48319e142751a9c88b104994Jeff Brown for (int historyPos = 0; historyPos < N; historyPos++) { 50333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown for (int i = 0; i < NI; i++) { 50433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown final int id = event.getPointerId(i); 50533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown final PointerState ps = mCurDown ? mPointers.get(id) : null; 50665fd251c3913fc921468a3dad190810db19eb9dfJeff Brown final PointerCoords coords = ps != null ? ps.mCoords : mTempCoords; 50770825161b5bf51ed48319e142751a9c88b104994Jeff Brown event.getHistoricalPointerCoords(i, historyPos, coords); 50890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn if (mPrintCoords) { 50965fd251c3913fc921468a3dad190810db19eb9dfJeff Brown logCoords("Pointer", action, i, coords, id, 510fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown event.getToolType(i), event.getButtonState()); 511cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown } 512cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown if (ps != null) { 513cc0c159e9b3dd4e0f48da0ce3e33d2c68a651413Jeff Brown ps.addTrace(coords.x, coords.y); 51490d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 51590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 51670825161b5bf51ed48319e142751a9c88b104994Jeff Brown } 51770825161b5bf51ed48319e142751a9c88b104994Jeff Brown for (int i = 0; i < NI; i++) { 51870825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int id = event.getPointerId(i); 51970825161b5bf51ed48319e142751a9c88b104994Jeff Brown final PointerState ps = mCurDown ? mPointers.get(id) : null; 52070825161b5bf51ed48319e142751a9c88b104994Jeff Brown final PointerCoords coords = ps != null ? ps.mCoords : mTempCoords; 52170825161b5bf51ed48319e142751a9c88b104994Jeff Brown event.getPointerCoords(i, coords); 52270825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (mPrintCoords) { 52370825161b5bf51ed48319e142751a9c88b104994Jeff Brown logCoords("Pointer", action, i, coords, id, 52470825161b5bf51ed48319e142751a9c88b104994Jeff Brown event.getToolType(i), event.getButtonState()); 52570825161b5bf51ed48319e142751a9c88b104994Jeff Brown } 52670825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (ps != null) { 52770825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.addTrace(coords.x, coords.y); 52870825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mXVelocity = mVelocity.getXVelocity(id); 52970825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mYVelocity = mVelocity.getYVelocity(id); 53085bd0d62830a098c1bdc720dfdcf4fe1b18b657cJeff Brown mVelocity.getEstimator(id, ps.mEstimator); 53170825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mToolType = event.getToolType(i); 53270825161b5bf51ed48319e142751a9c88b104994Jeff Brown } 53370825161b5bf51ed48319e142751a9c88b104994Jeff Brown } 53470825161b5bf51ed48319e142751a9c88b104994Jeff Brown 53570825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (action == MotionEvent.ACTION_UP 53670825161b5bf51ed48319e142751a9c88b104994Jeff Brown || action == MotionEvent.ACTION_CANCEL 53770825161b5bf51ed48319e142751a9c88b104994Jeff Brown || (action & MotionEvent.ACTION_MASK) == MotionEvent.ACTION_POINTER_UP) { 53870825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int index = (action & MotionEvent.ACTION_POINTER_INDEX_MASK) 53970825161b5bf51ed48319e142751a9c88b104994Jeff Brown >> MotionEvent.ACTION_POINTER_INDEX_SHIFT; // will be 0 for UP 54070825161b5bf51ed48319e142751a9c88b104994Jeff Brown 54170825161b5bf51ed48319e142751a9c88b104994Jeff Brown final int id = event.getPointerId(index); 54270825161b5bf51ed48319e142751a9c88b104994Jeff Brown final PointerState ps = mPointers.get(id); 54370825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.mCurDown = false; 54433bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 5458d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (action == MotionEvent.ACTION_UP 54670825161b5bf51ed48319e142751a9c88b104994Jeff Brown || action == MotionEvent.ACTION_CANCEL) { 54770825161b5bf51ed48319e142751a9c88b104994Jeff Brown mCurDown = false; 54870825161b5bf51ed48319e142751a9c88b104994Jeff Brown mCurNumPointers = 0; 54970825161b5bf51ed48319e142751a9c88b104994Jeff Brown } else { 55070825161b5bf51ed48319e142751a9c88b104994Jeff Brown mCurNumPointers -= 1; 55170825161b5bf51ed48319e142751a9c88b104994Jeff Brown if (mActivePointerId == id) { 55270825161b5bf51ed48319e142751a9c88b104994Jeff Brown mActivePointerId = event.getPointerId(index == 0 ? 1 : 0); 55390d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 55470825161b5bf51ed48319e142751a9c88b104994Jeff Brown ps.addTrace(Float.NaN, Float.NaN); 55590d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 55690d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 55770825161b5bf51ed48319e142751a9c88b104994Jeff Brown 55870825161b5bf51ed48319e142751a9c88b104994Jeff Brown invalidate(); 55990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 56090d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn 56190d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn @Override 56290d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn public boolean onTouchEvent(MotionEvent event) { 56333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown addPointerEvent(event); 564c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown 565c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown if (event.getAction() == MotionEvent.ACTION_DOWN && !isFocused()) { 566c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown requestFocus(); 567c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown } 56890d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn return true; 56990d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn } 5707d9af5ae762c59e879a86e77dcb330856774bc09Dianne Hackborn 5717d9af5ae762c59e879a86e77dcb330856774bc09Dianne Hackborn @Override 57233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown public boolean onGenericMotionEvent(MotionEvent event) { 573c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown final int source = event.getSource(); 574c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown if ((source & InputDevice.SOURCE_CLASS_POINTER) != 0) { 57533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown addPointerEvent(event); 576c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown } else if ((source & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) { 57765fd251c3913fc921468a3dad190810db19eb9dfJeff Brown logMotionEvent("Joystick", event); 578c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown } else if ((source & InputDevice.SOURCE_CLASS_POSITION) != 0) { 57965fd251c3913fc921468a3dad190810db19eb9dfJeff Brown logMotionEvent("Position", event); 580c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown } else { 58165fd251c3913fc921468a3dad190810db19eb9dfJeff Brown logMotionEvent("Generic", event); 582c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown } 583c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown return true; 584c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown } 585c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown 586c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown @Override 587c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown public boolean onKeyDown(int keyCode, KeyEvent event) { 588c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown if (shouldLogKey(keyCode)) { 589c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown final int repeatCount = event.getRepeatCount(); 590c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown if (repeatCount == 0) { 591c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown Log.i(TAG, "Key Down: " + event); 592c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown } else { 593c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown Log.i(TAG, "Key Repeat #" + repeatCount + ": " + event); 594c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown } 59533bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown return true; 59633bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 597c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown return super.onKeyDown(keyCode, event); 598c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown } 599c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown 600c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown @Override 601c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown public boolean onKeyUp(int keyCode, KeyEvent event) { 602c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown if (shouldLogKey(keyCode)) { 603c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown Log.i(TAG, "Key Up: " + event); 604c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown return true; 605c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown } 606c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown return super.onKeyUp(keyCode, event); 607c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown } 608c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown 609c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown private static boolean shouldLogKey(int keyCode) { 610c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown switch (keyCode) { 611c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown case KeyEvent.KEYCODE_DPAD_UP: 612c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown case KeyEvent.KEYCODE_DPAD_DOWN: 613c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown case KeyEvent.KEYCODE_DPAD_LEFT: 614c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown case KeyEvent.KEYCODE_DPAD_RIGHT: 615c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown case KeyEvent.KEYCODE_DPAD_CENTER: 616c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown return true; 617c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown default: 618c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown return KeyEvent.isGamepadButton(keyCode) 619c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown || KeyEvent.isModifierKey(keyCode); 620c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown } 62133bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown } 62233bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown 62333bbfd2232ea9eaae9a9d87a05a95a430f09bd83Jeff Brown @Override 6247d9af5ae762c59e879a86e77dcb330856774bc09Dianne Hackborn public boolean onTrackballEvent(MotionEvent event) { 62565fd251c3913fc921468a3dad190810db19eb9dfJeff Brown logMotionEvent("Trackball", event); 626c3fe7669d6276b43e82c802743a7e8974bae52a5Jeff Brown return true; 6277d9af5ae762c59e879a86e77dcb330856774bc09Dianne Hackborn } 628af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown 629af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown @Override 630af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown protected void onAttachedToWindow() { 631af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown super.onAttachedToWindow(); 632af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown 633af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown mIm.registerInputDeviceListener(this, getHandler()); 634af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown logInputDevices(); 635af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown } 636af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown 637af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown @Override 638af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown protected void onDetachedFromWindow() { 639af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown super.onDetachedFromWindow(); 640af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown 641af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown mIm.unregisterInputDeviceListener(this); 642af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown } 643af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown 644af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown @Override 645af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown public void onInputDeviceAdded(int deviceId) { 646af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown logInputDeviceState(deviceId, "Device Added"); 647af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown } 648af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown 649af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown @Override 650af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown public void onInputDeviceChanged(int deviceId) { 651af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown logInputDeviceState(deviceId, "Device Changed"); 652af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown } 653af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown 654af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown @Override 655af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown public void onInputDeviceRemoved(int deviceId) { 656af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown logInputDeviceState(deviceId, "Device Removed"); 657af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown } 658af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown 659af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown private void logInputDevices() { 660af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown int[] deviceIds = InputDevice.getDeviceIds(); 661af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown for (int i = 0; i < deviceIds.length; i++) { 662af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown logInputDeviceState(deviceIds[i], "Device Enumerated"); 663af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown } 664af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown } 665af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown 666af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown private void logInputDeviceState(int deviceId, String state) { 667af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown InputDevice device = mIm.getInputDevice(deviceId); 668af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown if (device != null) { 669af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown Log.i(TAG, state + ": " + device); 670af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown } else { 671af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown Log.i(TAG, state + ": " + deviceId); 672af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown } 673af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown } 674af9e8d38184c6ba4d2d3eb5bde7014a66dd8a78bJeff Brown 6758d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // HACK 6768d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown // A quick and dirty string builder implementation optimized for GC. 677d1e0c371a651f024b3de62a686c56e369e3f361eJeff Brown // Using String.format causes the application grind to a halt when 678d1e0c371a651f024b3de62a686c56e369e3f361eJeff Brown // more than a couple of pointers are down due to the number of 679d1e0c371a651f024b3de62a686c56e369e3f361eJeff Brown // temporary objects allocated while formatting strings for drawing or logging. 6808d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private static final class FasterStringBuilder { 6818d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private char[] mChars; 6828d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private int mLength; 6838d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 6848d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public FasterStringBuilder() { 6858d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mChars = new char[64]; 6868d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 6878d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 6888d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public FasterStringBuilder clear() { 6898d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mLength = 0; 6908d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return this; 6918d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 6928d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 6938d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public FasterStringBuilder append(String value) { 6948d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int valueLength = value.length(); 6958d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int index = reserve(valueLength); 6968d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown value.getChars(0, valueLength, mChars, index); 6978d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mLength += valueLength; 6988d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return this; 6998d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7008d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7018d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public FasterStringBuilder append(int value) { 7028d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return append(value, 0); 7038d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7048d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7058d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public FasterStringBuilder append(int value, int zeroPadWidth) { 7068d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final boolean negative = value < 0; 7078d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (negative) { 7088d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown value = - value; 7098d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (value < 0) { 7108d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown append("-2147483648"); 7118d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return this; 7128d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7138d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7148d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7158d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int index = reserve(11); 7168d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final char[] chars = mChars; 7178d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7188d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (value == 0) { 7198d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown chars[index++] = '0'; 7208d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mLength += 1; 7218d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return this; 7228d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7238d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7248d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (negative) { 7258d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown chars[index++] = '-'; 7268d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7278d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7288d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int divisor = 1000000000; 7298d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int numberWidth = 10; 7308d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown while (value < divisor) { 7318d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown divisor /= 10; 7328d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown numberWidth -= 1; 7338d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (numberWidth < zeroPadWidth) { 7348d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown chars[index++] = '0'; 7358d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7368d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7378d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7388d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown do { 7398d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int digit = value / divisor; 7408d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown value -= digit * divisor; 7418d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown divisor /= 10; 7428d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown chars[index++] = (char) (digit + '0'); 7438d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } while (divisor != 0); 7448d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7458d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mLength = index; 7468d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return this; 7478d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7488d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7498d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public FasterStringBuilder append(float value, int precision) { 7508d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown int scale = 1; 7518d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown for (int i = 0; i < precision; i++) { 7528d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown scale *= 10; 7538d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7548d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown value = (float) (Math.rint(value * scale) / scale); 7558d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7568d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown append((int) value); 7578d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7588d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (precision != 0) { 7598d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown append("."); 7608d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown value = Math.abs(value); 7618d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown value -= Math.floor(value); 7628d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown append((int) (value * scale), precision); 7638d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7648d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7658d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return this; 7668d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7678d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7688d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown @Override 7698d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown public String toString() { 7708d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return new String(mChars, 0, mLength); 7718d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7728d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown 7738d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown private int reserve(int length) { 7748d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int oldLength = mLength; 7758d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int newLength = mLength + length; 7768d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final char[] oldChars = mChars; 7778d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int oldCapacity = oldChars.length; 7788d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown if (newLength > oldCapacity) { 7798d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final int newCapacity = oldCapacity * 2; 7808d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown final char[] newChars = new char[newCapacity]; 7818d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown System.arraycopy(oldChars, 0, newChars, 0, oldLength); 7828d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown mChars = newChars; 7838d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7848d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown return oldLength; 7858d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 7868d60866e2100db70ecf0502c14768a384514d7e9Jeff Brown } 78790d2db3d21d07c2a4b4cbbc558f5ec59d20098c3Dianne Hackborn} 788