| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.view; |
| |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.os.SystemClock; |
| import android.util.Log; |
| |
| /** |
| * Object used to report movement (mouse, pen, finger, trackball) events. This |
| * class may hold either absolute or relative movements, depending on what |
| * it is being used for. |
| */ |
| public final class MotionEvent implements Parcelable { |
| static final boolean DEBUG_POINTERS = false; |
| |
| /** |
| * Bit mask of the parts of the action code that are the action itself. |
| */ |
| public static final int ACTION_MASK = 0xff; |
| |
| /** |
| * Constant for {@link #getAction}: A pressed gesture has started, the |
| * motion contains the initial starting location. |
| */ |
| public static final int ACTION_DOWN = 0; |
| |
| /** |
| * Constant for {@link #getAction}: A pressed gesture has finished, the |
| * motion contains the final release location as well as any intermediate |
| * points since the last down or move event. |
| */ |
| public static final int ACTION_UP = 1; |
| |
| /** |
| * Constant for {@link #getAction}: A change has happened during a |
| * press gesture (between {@link #ACTION_DOWN} and {@link #ACTION_UP}). |
| * The motion contains the most recent point, as well as any intermediate |
| * points since the last down or move event. |
| */ |
| public static final int ACTION_MOVE = 2; |
| |
| /** |
| * Constant for {@link #getAction}: The current gesture has been aborted. |
| * You will not receive any more points in it. You should treat this as |
| * an up event, but not perform any action that you normally would. |
| */ |
| public static final int ACTION_CANCEL = 3; |
| |
| /** |
| * Constant for {@link #getAction}: A movement has happened outside of the |
| * normal bounds of the UI element. This does not provide a full gesture, |
| * but only the initial location of the movement/touch. |
| */ |
| public static final int ACTION_OUTSIDE = 4; |
| |
| /** |
| * A non-primary pointer has gone down. The bits in |
| * {@link #ACTION_POINTER_ID_MASK} indicate which pointer changed. |
| */ |
| public static final int ACTION_POINTER_DOWN = 5; |
| |
| /** |
| * A non-primary pointer has gone up. The bits in |
| * {@link #ACTION_POINTER_ID_MASK} indicate which pointer changed. |
| */ |
| public static final int ACTION_POINTER_UP = 6; |
| |
| /** |
| * Bits in the action code that represent a pointer index, used with |
| * {@link #ACTION_POINTER_DOWN} and {@link #ACTION_POINTER_UP}. Shifting |
| * down by {@link #ACTION_POINTER_INDEX_SHIFT} provides the actual pointer |
| * index where the data for the pointer going up or down can be found; you can |
| * get its identifier with {@link #getPointerId(int)} and the actual |
| * data with {@link #getX(int)} etc. |
| */ |
| public static final int ACTION_POINTER_INDEX_MASK = 0xff00; |
| |
| /** |
| * Bit shift for the action bits holding the pointer index as |
| * defined by {@link #ACTION_POINTER_INDEX_MASK}. |
| */ |
| public static final int ACTION_POINTER_INDEX_SHIFT = 8; |
| |
| /** |
| * @deprecated Use {@link #ACTION_POINTER_INDEX_MASK} to retrieve the |
| * data index associated with {@link #ACTION_POINTER_DOWN}. |
| */ |
| @Deprecated |
| public static final int ACTION_POINTER_1_DOWN = ACTION_POINTER_DOWN | 0x0000; |
| |
| /** |
| * @deprecated Use {@link #ACTION_POINTER_INDEX_MASK} to retrieve the |
| * data index associated with {@link #ACTION_POINTER_DOWN}. |
| */ |
| @Deprecated |
| public static final int ACTION_POINTER_2_DOWN = ACTION_POINTER_DOWN | 0x0100; |
| |
| /** |
| * @deprecated Use {@link #ACTION_POINTER_INDEX_MASK} to retrieve the |
| * data index associated with {@link #ACTION_POINTER_DOWN}. |
| */ |
| @Deprecated |
| public static final int ACTION_POINTER_3_DOWN = ACTION_POINTER_DOWN | 0x0200; |
| |
| /** |
| * @deprecated Use {@link #ACTION_POINTER_INDEX_MASK} to retrieve the |
| * data index associated with {@link #ACTION_POINTER_UP}. |
| */ |
| @Deprecated |
| public static final int ACTION_POINTER_1_UP = ACTION_POINTER_UP | 0x0000; |
| |
| /** |
| * @deprecated Use {@link #ACTION_POINTER_INDEX_MASK} to retrieve the |
| * data index associated with {@link #ACTION_POINTER_UP}. |
| */ |
| @Deprecated |
| public static final int ACTION_POINTER_2_UP = ACTION_POINTER_UP | 0x0100; |
| |
| /** |
| * @deprecated Use {@link #ACTION_POINTER_INDEX_MASK} to retrieve the |
| * data index associated with {@link #ACTION_POINTER_UP}. |
| */ |
| @Deprecated |
| public static final int ACTION_POINTER_3_UP = ACTION_POINTER_UP | 0x0200; |
| |
| /** |
| * @deprecated Renamed to {@link #ACTION_POINTER_INDEX_MASK} to match |
| * the actual data contained in these bits. |
| */ |
| @Deprecated |
| public static final int ACTION_POINTER_ID_MASK = 0xff00; |
| |
| /** |
| * @deprecated Renamed to {@link #ACTION_POINTER_INDEX_SHIFT} to match |
| * the actual data contained in these bits. |
| */ |
| @Deprecated |
| public static final int ACTION_POINTER_ID_SHIFT = 8; |
| |
| private static final boolean TRACK_RECYCLED_LOCATION = false; |
| |
| /** |
| * Flag indicating the motion event intersected the top edge of the screen. |
| */ |
| public static final int EDGE_TOP = 0x00000001; |
| |
| /** |
| * Flag indicating the motion event intersected the bottom edge of the screen. |
| */ |
| public static final int EDGE_BOTTOM = 0x00000002; |
| |
| /** |
| * Flag indicating the motion event intersected the left edge of the screen. |
| */ |
| public static final int EDGE_LEFT = 0x00000004; |
| |
| /** |
| * Flag indicating the motion event intersected the right edge of the screen. |
| */ |
| public static final int EDGE_RIGHT = 0x00000008; |
| |
| /** |
| * Offset for the sample's X coordinate. |
| * @hide |
| */ |
| static public final int SAMPLE_X = 0; |
| |
| /** |
| * Offset for the sample's Y coordinate. |
| * @hide |
| */ |
| static public final int SAMPLE_Y = 1; |
| |
| /** |
| * Offset for the sample's X coordinate. |
| * @hide |
| */ |
| static public final int SAMPLE_PRESSURE = 2; |
| |
| /** |
| * Offset for the sample's X coordinate. |
| * @hide |
| */ |
| static public final int SAMPLE_SIZE = 3; |
| |
| /** |
| * Number of data items for each sample. |
| * @hide |
| */ |
| static public final int NUM_SAMPLE_DATA = 4; |
| |
| /** |
| * Number of possible pointers. |
| * @hide |
| */ |
| static public final int BASE_AVAIL_POINTERS = 5; |
| |
| static private final int BASE_AVAIL_SAMPLES = 8; |
| |
| static private final int MAX_RECYCLED = 10; |
| static private Object gRecyclerLock = new Object(); |
| static private int gRecyclerUsed = 0; |
| static private MotionEvent gRecyclerTop = null; |
| |
| private long mDownTime; |
| private long mEventTimeNano; |
| private int mAction; |
| private float mRawX; |
| private float mRawY; |
| private float mXPrecision; |
| private float mYPrecision; |
| private int mDeviceId; |
| private int mEdgeFlags; |
| private int mMetaState; |
| |
| // Here is the actual event data. Note that the order of the array |
| // is a little odd: the first entry is the most recent, and the ones |
| // following it are the historical data from oldest to newest. This |
| // allows us to easily retrieve the most recent data, without having |
| // to copy the arrays every time a new sample is added. |
| |
| private int mNumPointers; |
| private int mNumSamples; |
| // Array of mNumPointers size of identifiers for each pointer of data. |
| private int[] mPointerIdentifiers; |
| // Array of (mNumSamples * mNumPointers * NUM_SAMPLE_DATA) size of event data. |
| private float[] mDataSamples; |
| // Array of mNumSamples size of time stamps. |
| private long[] mTimeSamples; |
| |
| private MotionEvent mNext; |
| private RuntimeException mRecycledLocation; |
| private boolean mRecycled; |
| |
| private MotionEvent(int pointerCount, int sampleCount) { |
| mPointerIdentifiers = new int[pointerCount]; |
| mDataSamples = new float[pointerCount * sampleCount * NUM_SAMPLE_DATA]; |
| mTimeSamples = new long[sampleCount]; |
| } |
| |
| static private MotionEvent obtain() { |
| final MotionEvent ev; |
| synchronized (gRecyclerLock) { |
| if (gRecyclerTop == null) { |
| return new MotionEvent(BASE_AVAIL_POINTERS, BASE_AVAIL_SAMPLES); |
| } |
| ev = gRecyclerTop; |
| gRecyclerTop = ev.mNext; |
| gRecyclerUsed--; |
| } |
| ev.mRecycledLocation = null; |
| ev.mRecycled = false; |
| ev.mNext = null; |
| return ev; |
| } |
| |
| @SuppressWarnings("unused") // used by native code |
| static private MotionEvent obtain(int pointerCount, int sampleCount) { |
| final MotionEvent ev; |
| synchronized (gRecyclerLock) { |
| if (gRecyclerTop == null) { |
| if (pointerCount < BASE_AVAIL_POINTERS) { |
| pointerCount = BASE_AVAIL_POINTERS; |
| } |
| if (sampleCount < BASE_AVAIL_SAMPLES) { |
| sampleCount = BASE_AVAIL_SAMPLES; |
| } |
| return new MotionEvent(pointerCount, sampleCount); |
| } |
| ev = gRecyclerTop; |
| gRecyclerTop = ev.mNext; |
| gRecyclerUsed--; |
| } |
| ev.mRecycledLocation = null; |
| ev.mRecycled = false; |
| ev.mNext = null; |
| |
| if (ev.mPointerIdentifiers.length < pointerCount) { |
| ev.mPointerIdentifiers = new int[pointerCount]; |
| } |
| |
| final int timeSamplesLength = ev.mTimeSamples.length; |
| if (timeSamplesLength < sampleCount) { |
| ev.mTimeSamples = new long[sampleCount]; |
| } |
| |
| final int dataSamplesLength = ev.mDataSamples.length; |
| final int neededDataSamplesLength = pointerCount * sampleCount * NUM_SAMPLE_DATA; |
| if (dataSamplesLength < neededDataSamplesLength) { |
| ev.mDataSamples = new float[neededDataSamplesLength]; |
| } |
| |
| return ev; |
| } |
| |
| /** |
| * Create a new MotionEvent, filling in all of the basic values that |
| * define the motion. |
| * |
| * @param downTime The time (in ms) when the user originally pressed down to start |
| * a stream of position events. This must be obtained from {@link SystemClock#uptimeMillis()}. |
| * @param eventTime The the time (in ms) when this specific event was generated. This |
| * must be obtained from {@link SystemClock#uptimeMillis()}. |
| * @param eventTimeNano The the time (in ns) when this specific event was generated. This |
| * must be obtained from {@link System#nanoTime()}. |
| * @param action The kind of action being performed -- one of either |
| * {@link #ACTION_DOWN}, {@link #ACTION_MOVE}, {@link #ACTION_UP}, or |
| * {@link #ACTION_CANCEL}. |
| * @param pointers The number of points that will be in this event. |
| * @param inPointerIds An array of <em>pointers</em> values providing |
| * an identifier for each pointer. |
| * @param inData An array of <em>pointers*NUM_SAMPLE_DATA</em> of initial |
| * data samples for the event. |
| * @param metaState The state of any meta / modifier keys that were in effect when |
| * the event was generated. |
| * @param xPrecision The precision of the X coordinate being reported. |
| * @param yPrecision The precision of the Y coordinate being reported. |
| * @param deviceId The id for the device that this event came from. An id of |
| * zero indicates that the event didn't come from a physical device; other |
| * numbers are arbitrary and you shouldn't depend on the values. |
| * @param edgeFlags A bitfield indicating which edges, if any, where touched by this |
| * MotionEvent. |
| * |
| * @hide |
| */ |
| static public MotionEvent obtainNano(long downTime, long eventTime, long eventTimeNano, |
| int action, int pointers, int[] inPointerIds, float[] inData, int metaState, |
| float xPrecision, float yPrecision, int deviceId, int edgeFlags) { |
| MotionEvent ev = obtain(); |
| ev.mDeviceId = deviceId; |
| ev.mEdgeFlags = edgeFlags; |
| ev.mDownTime = downTime; |
| ev.mEventTimeNano = eventTimeNano; |
| ev.mAction = action; |
| ev.mMetaState = metaState; |
| ev.mRawX = inData[SAMPLE_X]; |
| ev.mRawY = inData[SAMPLE_Y]; |
| ev.mXPrecision = xPrecision; |
| ev.mYPrecision = yPrecision; |
| ev.mNumPointers = pointers; |
| ev.mNumSamples = 1; |
| |
| int[] pointerIdentifiers = ev.mPointerIdentifiers; |
| if (pointerIdentifiers.length < pointers) { |
| ev.mPointerIdentifiers = pointerIdentifiers = new int[pointers]; |
| } |
| System.arraycopy(inPointerIds, 0, pointerIdentifiers, 0, pointers); |
| |
| final int ND = pointers * NUM_SAMPLE_DATA; |
| float[] dataSamples = ev.mDataSamples; |
| if (dataSamples.length < ND) { |
| ev.mDataSamples = dataSamples = new float[ND]; |
| } |
| System.arraycopy(inData, 0, dataSamples, 0, ND); |
| |
| ev.mTimeSamples[0] = eventTime; |
| |
| if (DEBUG_POINTERS) { |
| StringBuilder sb = new StringBuilder(128); |
| sb.append("New:"); |
| for (int i=0; i<pointers; i++) { |
| sb.append(" #"); |
| sb.append(ev.mPointerIdentifiers[i]); |
| sb.append("("); |
| sb.append(ev.mDataSamples[(i*NUM_SAMPLE_DATA) + SAMPLE_X]); |
| sb.append(","); |
| sb.append(ev.mDataSamples[(i*NUM_SAMPLE_DATA) + SAMPLE_Y]); |
| sb.append(")"); |
| } |
| Log.v("MotionEvent", sb.toString()); |
| } |
| |
| return ev; |
| } |
| |
| /** |
| * Create a new MotionEvent, filling in all of the basic values that |
| * define the motion. |
| * |
| * @param downTime The time (in ms) when the user originally pressed down to start |
| * a stream of position events. This must be obtained from {@link SystemClock#uptimeMillis()}. |
| * @param eventTime The the time (in ms) when this specific event was generated. This |
| * must be obtained from {@link SystemClock#uptimeMillis()}. |
| * @param action The kind of action being performed -- one of either |
| * {@link #ACTION_DOWN}, {@link #ACTION_MOVE}, {@link #ACTION_UP}, or |
| * {@link #ACTION_CANCEL}. |
| * @param x The X coordinate of this event. |
| * @param y The Y coordinate of this event. |
| * @param pressure The current pressure of this event. The pressure generally |
| * ranges from 0 (no pressure at all) to 1 (normal pressure), however |
| * values higher than 1 may be generated depending on the calibration of |
| * the input device. |
| * @param size A scaled value of the approximate size of the area being pressed when |
| * touched with the finger. The actual value in pixels corresponding to the finger |
| * touch is normalized with a device specific range of values |
| * and scaled to a value between 0 and 1. |
| * @param metaState The state of any meta / modifier keys that were in effect when |
| * the event was generated. |
| * @param xPrecision The precision of the X coordinate being reported. |
| * @param yPrecision The precision of the Y coordinate being reported. |
| * @param deviceId The id for the device that this event came from. An id of |
| * zero indicates that the event didn't come from a physical device; other |
| * numbers are arbitrary and you shouldn't depend on the values. |
| * @param edgeFlags A bitfield indicating which edges, if any, where touched by this |
| * MotionEvent. |
| */ |
| static public MotionEvent obtain(long downTime, long eventTime, int action, |
| float x, float y, float pressure, float size, int metaState, |
| float xPrecision, float yPrecision, int deviceId, int edgeFlags) { |
| MotionEvent ev = obtain(); |
| ev.mDeviceId = deviceId; |
| ev.mEdgeFlags = edgeFlags; |
| ev.mDownTime = downTime; |
| ev.mEventTimeNano = eventTime * 1000000; |
| ev.mAction = action; |
| ev.mMetaState = metaState; |
| ev.mXPrecision = xPrecision; |
| ev.mYPrecision = yPrecision; |
| |
| ev.mNumPointers = 1; |
| ev.mNumSamples = 1; |
| int[] pointerIds = ev.mPointerIdentifiers; |
| pointerIds[0] = 0; |
| float[] data = ev.mDataSamples; |
| data[SAMPLE_X] = ev.mRawX = x; |
| data[SAMPLE_Y] = ev.mRawY = y; |
| data[SAMPLE_PRESSURE] = pressure; |
| data[SAMPLE_SIZE] = size; |
| ev.mTimeSamples[0] = eventTime; |
| |
| return ev; |
| } |
| |
| /** |
| * Create a new MotionEvent, filling in all of the basic values that |
| * define the motion. |
| * |
| * @param downTime The time (in ms) when the user originally pressed down to start |
| * a stream of position events. This must be obtained from {@link SystemClock#uptimeMillis()}. |
| * @param eventTime The the time (in ms) when this specific event was generated. This |
| * must be obtained from {@link SystemClock#uptimeMillis()}. |
| * @param action The kind of action being performed -- one of either |
| * {@link #ACTION_DOWN}, {@link #ACTION_MOVE}, {@link #ACTION_UP}, or |
| * {@link #ACTION_CANCEL}. |
| * @param pointers The number of pointers that are active in this event. |
| * @param x The X coordinate of this event. |
| * @param y The Y coordinate of this event. |
| * @param pressure The current pressure of this event. The pressure generally |
| * ranges from 0 (no pressure at all) to 1 (normal pressure), however |
| * values higher than 1 may be generated depending on the calibration of |
| * the input device. |
| * @param size A scaled value of the approximate size of the area being pressed when |
| * touched with the finger. The actual value in pixels corresponding to the finger |
| * touch is normalized with a device specific range of values |
| * and scaled to a value between 0 and 1. |
| * @param metaState The state of any meta / modifier keys that were in effect when |
| * the event was generated. |
| * @param xPrecision The precision of the X coordinate being reported. |
| * @param yPrecision The precision of the Y coordinate being reported. |
| * @param deviceId The id for the device that this event came from. An id of |
| * zero indicates that the event didn't come from a physical device; other |
| * numbers are arbitrary and you shouldn't depend on the values. |
| * @param edgeFlags A bitfield indicating which edges, if any, where touched by this |
| * MotionEvent. |
| */ |
| static public MotionEvent obtain(long downTime, long eventTime, int action, |
| int pointers, float x, float y, float pressure, float size, int metaState, |
| float xPrecision, float yPrecision, int deviceId, int edgeFlags) { |
| MotionEvent ev = obtain(); |
| ev.mDeviceId = deviceId; |
| ev.mEdgeFlags = edgeFlags; |
| ev.mDownTime = downTime; |
| ev.mEventTimeNano = eventTime * 1000000; |
| ev.mAction = action; |
| ev.mNumPointers = pointers; |
| ev.mMetaState = metaState; |
| ev.mXPrecision = xPrecision; |
| ev.mYPrecision = yPrecision; |
| |
| ev.mNumPointers = 1; |
| ev.mNumSamples = 1; |
| int[] pointerIds = ev.mPointerIdentifiers; |
| pointerIds[0] = 0; |
| float[] data = ev.mDataSamples; |
| data[SAMPLE_X] = ev.mRawX = x; |
| data[SAMPLE_Y] = ev.mRawY = y; |
| data[SAMPLE_PRESSURE] = pressure; |
| data[SAMPLE_SIZE] = size; |
| ev.mTimeSamples[0] = eventTime; |
| |
| return ev; |
| } |
| |
| /** |
| * Create a new MotionEvent, filling in a subset of the basic motion |
| * values. Those not specified here are: device id (always 0), pressure |
| * and size (always 1), x and y precision (always 1), and edgeFlags (always 0). |
| * |
| * @param downTime The time (in ms) when the user originally pressed down to start |
| * a stream of position events. This must be obtained from {@link SystemClock#uptimeMillis()}. |
| * @param eventTime The the time (in ms) when this specific event was generated. This |
| * must be obtained from {@link SystemClock#uptimeMillis()}. |
| * @param action The kind of action being performed -- one of either |
| * {@link #ACTION_DOWN}, {@link #ACTION_MOVE}, {@link #ACTION_UP}, or |
| * {@link #ACTION_CANCEL}. |
| * @param x The X coordinate of this event. |
| * @param y The Y coordinate of this event. |
| * @param metaState The state of any meta / modifier keys that were in effect when |
| * the event was generated. |
| */ |
| static public MotionEvent obtain(long downTime, long eventTime, int action, |
| float x, float y, int metaState) { |
| MotionEvent ev = obtain(); |
| ev.mDeviceId = 0; |
| ev.mEdgeFlags = 0; |
| ev.mDownTime = downTime; |
| ev.mEventTimeNano = eventTime * 1000000; |
| ev.mAction = action; |
| ev.mNumPointers = 1; |
| ev.mMetaState = metaState; |
| ev.mXPrecision = 1.0f; |
| ev.mYPrecision = 1.0f; |
| |
| ev.mNumPointers = 1; |
| ev.mNumSamples = 1; |
| int[] pointerIds = ev.mPointerIdentifiers; |
| pointerIds[0] = 0; |
| float[] data = ev.mDataSamples; |
| data[SAMPLE_X] = ev.mRawX = x; |
| data[SAMPLE_Y] = ev.mRawY = y; |
| data[SAMPLE_PRESSURE] = 1.0f; |
| data[SAMPLE_SIZE] = 1.0f; |
| ev.mTimeSamples[0] = eventTime; |
| |
| return ev; |
| } |
| |
| /** |
| * Scales down the coordination of this event by the given scale. |
| * |
| * @hide |
| */ |
| public void scale(float scale) { |
| mRawX *= scale; |
| mRawY *= scale; |
| mXPrecision *= scale; |
| mYPrecision *= scale; |
| float[] history = mDataSamples; |
| final int length = mNumPointers * mNumSamples * NUM_SAMPLE_DATA; |
| for (int i = 0; i < length; i += NUM_SAMPLE_DATA) { |
| history[i + SAMPLE_X] *= scale; |
| history[i + SAMPLE_Y] *= scale; |
| // no need to scale pressure |
| history[i + SAMPLE_SIZE] *= scale; // TODO: square this? |
| } |
| } |
| |
| /** |
| * Create a new MotionEvent, copying from an existing one. |
| */ |
| static public MotionEvent obtain(MotionEvent o) { |
| MotionEvent ev = obtain(); |
| ev.mDeviceId = o.mDeviceId; |
| ev.mEdgeFlags = o.mEdgeFlags; |
| ev.mDownTime = o.mDownTime; |
| ev.mEventTimeNano = o.mEventTimeNano; |
| ev.mAction = o.mAction; |
| ev.mNumPointers = o.mNumPointers; |
| ev.mRawX = o.mRawX; |
| ev.mRawY = o.mRawY; |
| ev.mMetaState = o.mMetaState; |
| ev.mXPrecision = o.mXPrecision; |
| ev.mYPrecision = o.mYPrecision; |
| |
| final int NS = ev.mNumSamples = o.mNumSamples; |
| if (ev.mTimeSamples.length >= NS) { |
| System.arraycopy(o.mTimeSamples, 0, ev.mTimeSamples, 0, NS); |
| } else { |
| ev.mTimeSamples = (long[])o.mTimeSamples.clone(); |
| } |
| |
| final int NP = (ev.mNumPointers=o.mNumPointers); |
| if (ev.mPointerIdentifiers.length >= NP) { |
| System.arraycopy(o.mPointerIdentifiers, 0, ev.mPointerIdentifiers, 0, NP); |
| } else { |
| ev.mPointerIdentifiers = (int[])o.mPointerIdentifiers.clone(); |
| } |
| |
| final int ND = NP * NS * NUM_SAMPLE_DATA; |
| if (ev.mDataSamples.length >= ND) { |
| System.arraycopy(o.mDataSamples, 0, ev.mDataSamples, 0, ND); |
| } else { |
| ev.mDataSamples = (float[])o.mDataSamples.clone(); |
| } |
| |
| return ev; |
| } |
| |
| /** |
| * Create a new MotionEvent, copying from an existing one, but not including |
| * any historical point information. |
| */ |
| static public MotionEvent obtainNoHistory(MotionEvent o) { |
| MotionEvent ev = obtain(); |
| ev.mDeviceId = o.mDeviceId; |
| ev.mEdgeFlags = o.mEdgeFlags; |
| ev.mDownTime = o.mDownTime; |
| ev.mEventTimeNano = o.mEventTimeNano; |
| ev.mAction = o.mAction; |
| ev.mNumPointers = o.mNumPointers; |
| ev.mRawX = o.mRawX; |
| ev.mRawY = o.mRawY; |
| ev.mMetaState = o.mMetaState; |
| ev.mXPrecision = o.mXPrecision; |
| ev.mYPrecision = o.mYPrecision; |
| |
| ev.mNumSamples = 1; |
| ev.mTimeSamples[0] = o.mTimeSamples[0]; |
| |
| final int NP = (ev.mNumPointers=o.mNumPointers); |
| if (ev.mPointerIdentifiers.length >= NP) { |
| System.arraycopy(o.mPointerIdentifiers, 0, ev.mPointerIdentifiers, 0, NP); |
| } else { |
| ev.mPointerIdentifiers = (int[])o.mPointerIdentifiers.clone(); |
| } |
| |
| final int ND = NP * NUM_SAMPLE_DATA; |
| if (ev.mDataSamples.length >= ND) { |
| System.arraycopy(o.mDataSamples, 0, ev.mDataSamples, 0, ND); |
| } else { |
| ev.mDataSamples = (float[])o.mDataSamples.clone(); |
| } |
| |
| return ev; |
| } |
| |
| /** |
| * Recycle the MotionEvent, to be re-used by a later caller. After calling |
| * this function you must not ever touch the event again. |
| */ |
| public void recycle() { |
| // Ensure recycle is only called once! |
| if (TRACK_RECYCLED_LOCATION) { |
| if (mRecycledLocation != null) { |
| throw new RuntimeException(toString() + " recycled twice!", mRecycledLocation); |
| } |
| mRecycledLocation = new RuntimeException("Last recycled here"); |
| //Log.w("MotionEvent", "Recycling event " + this, mRecycledLocation); |
| } else { |
| if (mRecycled) { |
| throw new RuntimeException(toString() + " recycled twice!"); |
| } |
| mRecycled = true; |
| } |
| |
| synchronized (gRecyclerLock) { |
| if (gRecyclerUsed < MAX_RECYCLED) { |
| gRecyclerUsed++; |
| mNumSamples = 0; |
| mNext = gRecyclerTop; |
| gRecyclerTop = this; |
| } |
| } |
| } |
| |
| /** |
| * Return the kind of action being performed -- one of either |
| * {@link #ACTION_DOWN}, {@link #ACTION_MOVE}, {@link #ACTION_UP}, or |
| * {@link #ACTION_CANCEL}. Consider using {@link #getActionMasked} |
| * and {@link #getActionIndex} to retrieve the separate masked action |
| * and pointer index. |
| */ |
| public final int getAction() { |
| return mAction; |
| } |
| |
| /** |
| * Return the masked action being performed, without pointer index |
| * information. May be any of the actions: {@link #ACTION_DOWN}, |
| * {@link #ACTION_MOVE}, {@link #ACTION_UP}, {@link #ACTION_CANCEL}, |
| * {@link #ACTION_POINTER_DOWN}, or {@link #ACTION_POINTER_UP}. |
| * Use {@link #getActionIndex} to return the index associated with |
| * pointer actions. |
| */ |
| public final int getActionMasked() { |
| return mAction & ACTION_MASK; |
| } |
| |
| /** |
| * For {@link #ACTION_POINTER_DOWN} or {@link #ACTION_POINTER_UP} |
| * as returned by {@link #getActionMasked}, this returns the associated |
| * pointer index. The index may be used with {@link #getPointerId(int)}, |
| * {@link #getX(int)}, {@link #getY(int)}, {@link #getPressure(int)}, |
| * and {@link #getSize(int)} to get information about the pointer that has |
| * gone down or up. |
| */ |
| public final int getActionIndex() { |
| return (mAction & ACTION_POINTER_INDEX_MASK) >> ACTION_POINTER_INDEX_SHIFT; |
| } |
| |
| /** |
| * Returns the time (in ms) when the user originally pressed down to start |
| * a stream of position events. |
| */ |
| public final long getDownTime() { |
| return mDownTime; |
| } |
| |
| /** |
| * Returns the time (in ms) when this specific event was generated. |
| */ |
| public final long getEventTime() { |
| return mTimeSamples[0]; |
| } |
| |
| /** |
| * Returns the time (in ns) when this specific event was generated. |
| * The value is in nanosecond precision but it may not have nanosecond accuracy. |
| * |
| * @hide |
| */ |
| public final long getEventTimeNano() { |
| return mEventTimeNano; |
| } |
| |
| /** |
| * {@link #getX(int)} for the first pointer index (may be an |
| * arbitrary pointer identifier). |
| */ |
| public final float getX() { |
| return mDataSamples[SAMPLE_X]; |
| } |
| |
| /** |
| * {@link #getY(int)} for the first pointer index (may be an |
| * arbitrary pointer identifier). |
| */ |
| public final float getY() { |
| return mDataSamples[SAMPLE_Y]; |
| } |
| |
| /** |
| * {@link #getPressure(int)} for the first pointer index (may be an |
| * arbitrary pointer identifier). |
| */ |
| public final float getPressure() { |
| return mDataSamples[SAMPLE_PRESSURE]; |
| } |
| |
| /** |
| * {@link #getSize(int)} for the first pointer index (may be an |
| * arbitrary pointer identifier). |
| */ |
| public final float getSize() { |
| return mDataSamples[SAMPLE_SIZE]; |
| } |
| |
| /** |
| * The number of pointers of data contained in this event. Always |
| * >= 1. |
| */ |
| public final int getPointerCount() { |
| return mNumPointers; |
| } |
| |
| /** |
| * Return the pointer identifier associated with a particular pointer |
| * data index is this event. The identifier tells you the actual pointer |
| * number associated with the data, accounting for individual pointers |
| * going up and down since the start of the current gesture. |
| * @param pointerIndex Raw index of pointer to retrieve. Value may be from 0 |
| * (the first pointer that is down) to {@link #getPointerCount()}-1. |
| */ |
| public final int getPointerId(int pointerIndex) { |
| return mPointerIdentifiers[pointerIndex]; |
| } |
| |
| /** |
| * Given a pointer identifier, find the index of its data in the event. |
| * |
| * @param pointerId The identifier of the pointer to be found. |
| * @return Returns either the index of the pointer (for use with |
| * {@link #getX(int) et al.), or -1 if there is no data available for |
| * that pointer identifier. |
| */ |
| public final int findPointerIndex(int pointerId) { |
| int i = mNumPointers; |
| while (i > 0) { |
| i--; |
| if (mPointerIdentifiers[i] == pointerId) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| /** |
| * Returns the X coordinate of this event for the given pointer |
| * <em>index</em> (use {@link #getPointerId(int)} to find the pointer |
| * identifier for this index). |
| * Whole numbers are pixels; the |
| * value may have a fraction for input devices that are sub-pixel precise. |
| * @param pointerIndex Raw index of pointer to retrieve. Value may be from 0 |
| * (the first pointer that is down) to {@link #getPointerCount()}-1. |
| */ |
| public final float getX(int pointerIndex) { |
| return mDataSamples[(pointerIndex*NUM_SAMPLE_DATA) + SAMPLE_X]; |
| } |
| |
| /** |
| * Returns the Y coordinate of this event for the given pointer |
| * <em>index</em> (use {@link #getPointerId(int)} to find the pointer |
| * identifier for this index). |
| * Whole numbers are pixels; the |
| * value may have a fraction for input devices that are sub-pixel precise. |
| * @param pointerIndex Raw index of pointer to retrieve. Value may be from 0 |
| * (the first pointer that is down) to {@link #getPointerCount()}-1. |
| */ |
| public final float getY(int pointerIndex) { |
| return mDataSamples[(pointerIndex*NUM_SAMPLE_DATA) + SAMPLE_Y]; |
| } |
| |
| /** |
| * Returns the current pressure of this event for the given pointer |
| * <em>index</em> (use {@link #getPointerId(int)} to find the pointer |
| * identifier for this index). |
| * The pressure generally |
| * ranges from 0 (no pressure at all) to 1 (normal pressure), however |
| * values higher than 1 may be generated depending on the calibration of |
| * the input device. |
| * @param pointerIndex Raw index of pointer to retrieve. Value may be from 0 |
| * (the first pointer that is down) to {@link #getPointerCount()}-1. |
| */ |
| public final float getPressure(int pointerIndex) { |
| return mDataSamples[(pointerIndex*NUM_SAMPLE_DATA) + SAMPLE_PRESSURE]; |
| } |
| |
| /** |
| * Returns a scaled value of the approximate size for the given pointer |
| * <em>index</em> (use {@link #getPointerId(int)} to find the pointer |
| * identifier for this index). |
| * This represents some approximation of the area of the screen being |
| * pressed; the actual value in pixels corresponding to the |
| * touch is normalized with the device specific range of values |
| * and scaled to a value between 0 and 1. The value of size can be used to |
| * determine fat touch events. |
| * @param pointerIndex Raw index of pointer to retrieve. Value may be from 0 |
| * (the first pointer that is down) to {@link #getPointerCount()}-1. |
| */ |
| public final float getSize(int pointerIndex) { |
| return mDataSamples[(pointerIndex*NUM_SAMPLE_DATA) + SAMPLE_SIZE]; |
| } |
| |
| /** |
| * Returns the state of any meta / modifier keys that were in effect when |
| * the event was generated. This is the same values as those |
| * returned by {@link KeyEvent#getMetaState() KeyEvent.getMetaState}. |
| * |
| * @return an integer in which each bit set to 1 represents a pressed |
| * meta key |
| * |
| * @see KeyEvent#getMetaState() |
| */ |
| public final int getMetaState() { |
| return mMetaState; |
| } |
| |
| /** |
| * Returns the original raw X coordinate of this event. For touch |
| * events on the screen, this is the original location of the event |
| * on the screen, before it had been adjusted for the containing window |
| * and views. |
| */ |
| public final float getRawX() { |
| return mRawX; |
| } |
| |
| /** |
| * Returns the original raw Y coordinate of this event. For touch |
| * events on the screen, this is the original location of the event |
| * on the screen, before it had been adjusted for the containing window |
| * and views. |
| */ |
| public final float getRawY() { |
| return mRawY; |
| } |
| |
| /** |
| * Return the precision of the X coordinates being reported. You can |
| * multiple this number with {@link #getX} to find the actual hardware |
| * value of the X coordinate. |
| * @return Returns the precision of X coordinates being reported. |
| */ |
| public final float getXPrecision() { |
| return mXPrecision; |
| } |
| |
| /** |
| * Return the precision of the Y coordinates being reported. You can |
| * multiple this number with {@link #getY} to find the actual hardware |
| * value of the Y coordinate. |
| * @return Returns the precision of Y coordinates being reported. |
| */ |
| public final float getYPrecision() { |
| return mYPrecision; |
| } |
| |
| /** |
| * Returns the number of historical points in this event. These are |
| * movements that have occurred between this event and the previous event. |
| * This only applies to ACTION_MOVE events -- all other actions will have |
| * a size of 0. |
| * |
| * @return Returns the number of historical points in the event. |
| */ |
| public final int getHistorySize() { |
| return mNumSamples - 1; |
| } |
| |
| /** |
| * Returns the time that a historical movement occurred between this event |
| * and the previous event. Only applies to ACTION_MOVE events. |
| * |
| * @param pos Which historical value to return; must be less than |
| * {@link #getHistorySize} |
| * |
| * @see #getHistorySize |
| * @see #getEventTime |
| */ |
| public final long getHistoricalEventTime(int pos) { |
| return mTimeSamples[pos + 1]; |
| } |
| |
| /** |
| * {@link #getHistoricalX(int)} for the first pointer index (may be an |
| * arbitrary pointer identifier). |
| */ |
| public final float getHistoricalX(int pos) { |
| return mDataSamples[((pos + 1) * NUM_SAMPLE_DATA * mNumPointers) + SAMPLE_X]; |
| } |
| |
| /** |
| * {@link #getHistoricalY(int)} for the first pointer index (may be an |
| * arbitrary pointer identifier). |
| */ |
| public final float getHistoricalY(int pos) { |
| return mDataSamples[((pos + 1) * NUM_SAMPLE_DATA * mNumPointers) + SAMPLE_Y]; |
| } |
| |
| /** |
| * {@link #getHistoricalPressure(int)} for the first pointer index (may be an |
| * arbitrary pointer identifier). |
| */ |
| public final float getHistoricalPressure(int pos) { |
| return mDataSamples[((pos + 1) * NUM_SAMPLE_DATA * mNumPointers) + SAMPLE_PRESSURE]; |
| } |
| |
| /** |
| * {@link #getHistoricalSize(int)} for the first pointer index (may be an |
| * arbitrary pointer identifier). |
| */ |
| public final float getHistoricalSize(int pos) { |
| return mDataSamples[((pos + 1) * NUM_SAMPLE_DATA * mNumPointers) + SAMPLE_SIZE]; |
| } |
| |
| /** |
| * Returns a historical X coordinate, as per {@link #getX(int)}, that |
| * occurred between this event and the previous event for the given pointer. |
| * Only applies to ACTION_MOVE events. |
| * |
| * @param pointerIndex Raw index of pointer to retrieve. Value may be from 0 |
| * (the first pointer that is down) to {@link #getPointerCount()}-1. |
| * @param pos Which historical value to return; must be less than |
| * {@link #getHistorySize} |
| * |
| * @see #getHistorySize |
| * @see #getX |
| */ |
| public final float getHistoricalX(int pointerIndex, int pos) { |
| return mDataSamples[((pos + 1) * NUM_SAMPLE_DATA * mNumPointers) |
| + (pointerIndex * NUM_SAMPLE_DATA) + SAMPLE_X]; |
| } |
| |
| /** |
| * Returns a historical Y coordinate, as per {@link #getY(int)}, that |
| * occurred between this event and the previous event for the given pointer. |
| * Only applies to ACTION_MOVE events. |
| * |
| * @param pointerIndex Raw index of pointer to retrieve. Value may be from 0 |
| * (the first pointer that is down) to {@link #getPointerCount()}-1. |
| * @param pos Which historical value to return; must be less than |
| * {@link #getHistorySize} |
| * |
| * @see #getHistorySize |
| * @see #getY |
| */ |
| public final float getHistoricalY(int pointerIndex, int pos) { |
| return mDataSamples[((pos + 1) * NUM_SAMPLE_DATA * mNumPointers) |
| + (pointerIndex * NUM_SAMPLE_DATA) + SAMPLE_Y]; |
| } |
| |
| /** |
| * Returns a historical pressure coordinate, as per {@link #getPressure(int)}, |
| * that occurred between this event and the previous event for the given |
| * pointer. Only applies to ACTION_MOVE events. |
| * |
| * @param pointerIndex Raw index of pointer to retrieve. Value may be from 0 |
| * (the first pointer that is down) to {@link #getPointerCount()}-1. |
| * @param pos Which historical value to return; must be less than |
| * {@link #getHistorySize} |
| * |
| * @see #getHistorySize |
| * @see #getPressure |
| */ |
| public final float getHistoricalPressure(int pointerIndex, int pos) { |
| return mDataSamples[((pos + 1) * NUM_SAMPLE_DATA * mNumPointers) |
| + (pointerIndex * NUM_SAMPLE_DATA) + SAMPLE_PRESSURE]; |
| } |
| |
| /** |
| * Returns a historical size coordinate, as per {@link #getSize(int)}, that |
| * occurred between this event and the previous event for the given pointer. |
| * Only applies to ACTION_MOVE events. |
| * |
| * @param pointerIndex Raw index of pointer to retrieve. Value may be from 0 |
| * (the first pointer that is down) to {@link #getPointerCount()}-1. |
| * @param pos Which historical value to return; must be less than |
| * {@link #getHistorySize} |
| * |
| * @see #getHistorySize |
| * @see #getSize |
| */ |
| public final float getHistoricalSize(int pointerIndex, int pos) { |
| return mDataSamples[((pos + 1) * NUM_SAMPLE_DATA * mNumPointers) |
| + (pointerIndex * NUM_SAMPLE_DATA) + SAMPLE_SIZE]; |
| } |
| |
| /** |
| * Return the id for the device that this event came from. An id of |
| * zero indicates that the event didn't come from a physical device; other |
| * numbers are arbitrary and you shouldn't depend on the values. |
| */ |
| public final int getDeviceId() { |
| return mDeviceId; |
| } |
| |
| /** |
| * Returns a bitfield indicating which edges, if any, were touched by this |
| * MotionEvent. For touch events, clients can use this to determine if the |
| * user's finger was touching the edge of the display. |
| * |
| * @see #EDGE_LEFT |
| * @see #EDGE_TOP |
| * @see #EDGE_RIGHT |
| * @see #EDGE_BOTTOM |
| */ |
| public final int getEdgeFlags() { |
| return mEdgeFlags; |
| } |
| |
| |
| /** |
| * Sets the bitfield indicating which edges, if any, where touched by this |
| * MotionEvent. |
| * |
| * @see #getEdgeFlags() |
| */ |
| public final void setEdgeFlags(int flags) { |
| mEdgeFlags = flags; |
| } |
| |
| /** |
| * Sets this event's action. |
| */ |
| public final void setAction(int action) { |
| mAction = action; |
| } |
| |
| /** |
| * Adjust this event's location. |
| * @param deltaX Amount to add to the current X coordinate of the event. |
| * @param deltaY Amount to add to the current Y coordinate of the event. |
| */ |
| public final void offsetLocation(float deltaX, float deltaY) { |
| final int N = mNumPointers*mNumSamples*4; |
| final float[] pos = mDataSamples; |
| for (int i=0; i<N; i+=NUM_SAMPLE_DATA) { |
| pos[i+SAMPLE_X] += deltaX; |
| pos[i+SAMPLE_Y] += deltaY; |
| } |
| } |
| |
| /** |
| * Set this event's location. Applies {@link #offsetLocation} with a |
| * delta from the current location to the given new location. |
| * |
| * @param x New absolute X location. |
| * @param y New absolute Y location. |
| */ |
| public final void setLocation(float x, float y) { |
| float deltaX = x-mDataSamples[SAMPLE_X]; |
| float deltaY = y-mDataSamples[SAMPLE_Y]; |
| if (deltaX != 0 || deltaY != 0) { |
| offsetLocation(deltaX, deltaY); |
| } |
| } |
| |
| /** |
| * Add a new movement to the batch of movements in this event. The event's |
| * current location, position and size is updated to the new values. In |
| * the future, the current values in the event will be added to a list of |
| * historic values. |
| * |
| * @param eventTime The time stamp for this data. |
| * @param x The new X position. |
| * @param y The new Y position. |
| * @param pressure The new pressure. |
| * @param size The new size. |
| * @param metaState Meta key state. |
| */ |
| public final void addBatch(long eventTime, float x, float y, |
| float pressure, float size, int metaState) { |
| float[] data = mDataSamples; |
| long[] times = mTimeSamples; |
| |
| final int NP = mNumPointers; |
| final int NS = mNumSamples; |
| final int NI = NP*NS; |
| final int ND = NI * NUM_SAMPLE_DATA; |
| if (data.length <= ND) { |
| final int NEW_ND = ND + (NP * (BASE_AVAIL_SAMPLES * NUM_SAMPLE_DATA)); |
| float[] newData = new float[NEW_ND]; |
| System.arraycopy(data, 0, newData, 0, ND); |
| mDataSamples = data = newData; |
| } |
| if (times.length <= NS) { |
| final int NEW_NS = NS + BASE_AVAIL_SAMPLES; |
| long[] newHistoryTimes = new long[NEW_NS]; |
| System.arraycopy(times, 0, newHistoryTimes, 0, NS); |
| mTimeSamples = times = newHistoryTimes; |
| } |
| |
| times[NS] = times[0]; |
| times[0] = eventTime; |
| |
| final int pos = NS*NUM_SAMPLE_DATA; |
| data[pos+SAMPLE_X] = data[SAMPLE_X]; |
| data[pos+SAMPLE_Y] = data[SAMPLE_Y]; |
| data[pos+SAMPLE_PRESSURE] = data[SAMPLE_PRESSURE]; |
| data[pos+SAMPLE_SIZE] = data[SAMPLE_SIZE]; |
| data[SAMPLE_X] = x; |
| data[SAMPLE_Y] = y; |
| data[SAMPLE_PRESSURE] = pressure; |
| data[SAMPLE_SIZE] = size; |
| mNumSamples = NS+1; |
| |
| mRawX = x; |
| mRawY = y; |
| mMetaState |= metaState; |
| } |
| |
| /** |
| * Add a new movement to the batch of movements in this event. The |
| * input data must contain (NUM_SAMPLE_DATA * {@link #getPointerCount()}) |
| * samples of data. |
| * |
| * @param eventTime The time stamp for this data. |
| * @param inData The actual data. |
| * @param metaState Meta key state. |
| * |
| * @hide |
| */ |
| public final void addBatch(long eventTime, float[] inData, int metaState) { |
| float[] data = mDataSamples; |
| long[] times = mTimeSamples; |
| |
| final int NP = mNumPointers; |
| final int NS = mNumSamples; |
| final int NI = NP*NS; |
| final int ND = NI * NUM_SAMPLE_DATA; |
| if (data.length < (ND+(NP*NUM_SAMPLE_DATA))) { |
| final int NEW_ND = ND + (NP * (BASE_AVAIL_SAMPLES * NUM_SAMPLE_DATA)); |
| float[] newData = new float[NEW_ND]; |
| System.arraycopy(data, 0, newData, 0, ND); |
| mDataSamples = data = newData; |
| } |
| if (times.length < (NS+1)) { |
| final int NEW_NS = NS + BASE_AVAIL_SAMPLES; |
| long[] newHistoryTimes = new long[NEW_NS]; |
| System.arraycopy(times, 0, newHistoryTimes, 0, NS); |
| mTimeSamples = times = newHistoryTimes; |
| } |
| |
| times[NS] = times[0]; |
| times[0] = eventTime; |
| |
| System.arraycopy(data, 0, data, ND, mNumPointers*NUM_SAMPLE_DATA); |
| System.arraycopy(inData, 0, data, 0, mNumPointers*NUM_SAMPLE_DATA); |
| |
| mNumSamples = NS+1; |
| |
| mRawX = inData[SAMPLE_X]; |
| mRawY = inData[SAMPLE_Y]; |
| mMetaState |= metaState; |
| |
| if (DEBUG_POINTERS) { |
| StringBuilder sb = new StringBuilder(128); |
| sb.append("Add:"); |
| for (int i=0; i<mNumPointers; i++) { |
| sb.append(" #"); |
| sb.append(mPointerIdentifiers[i]); |
| sb.append("("); |
| sb.append(mDataSamples[(i*NUM_SAMPLE_DATA) + SAMPLE_X]); |
| sb.append(","); |
| sb.append(mDataSamples[(i*NUM_SAMPLE_DATA) + SAMPLE_Y]); |
| sb.append(")"); |
| } |
| Log.v("MotionEvent", sb.toString()); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "MotionEvent{" + Integer.toHexString(System.identityHashCode(this)) |
| + " action=" + mAction + " x=" + getX() |
| + " y=" + getY() + " pressure=" + getPressure() + " size=" + getSize() + "}"; |
| } |
| |
| public static final Parcelable.Creator<MotionEvent> CREATOR |
| = new Parcelable.Creator<MotionEvent>() { |
| public MotionEvent createFromParcel(Parcel in) { |
| MotionEvent ev = obtain(); |
| ev.readFromParcel(in); |
| return ev; |
| } |
| |
| public MotionEvent[] newArray(int size) { |
| return new MotionEvent[size]; |
| } |
| }; |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeLong(mDownTime); |
| out.writeLong(mEventTimeNano); |
| out.writeInt(mAction); |
| out.writeInt(mMetaState); |
| out.writeFloat(mRawX); |
| out.writeFloat(mRawY); |
| final int NP = mNumPointers; |
| out.writeInt(NP); |
| final int NS = mNumSamples; |
| out.writeInt(NS); |
| final int NI = NP*NS; |
| if (NI > 0) { |
| int i; |
| int[] state = mPointerIdentifiers; |
| for (i=0; i<NP; i++) { |
| out.writeInt(state[i]); |
| } |
| final int ND = NI*NUM_SAMPLE_DATA; |
| float[] history = mDataSamples; |
| for (i=0; i<ND; i++) { |
| out.writeFloat(history[i]); |
| } |
| long[] times = mTimeSamples; |
| for (i=0; i<NS; i++) { |
| out.writeLong(times[i]); |
| } |
| } |
| out.writeFloat(mXPrecision); |
| out.writeFloat(mYPrecision); |
| out.writeInt(mDeviceId); |
| out.writeInt(mEdgeFlags); |
| } |
| |
| private void readFromParcel(Parcel in) { |
| mDownTime = in.readLong(); |
| mEventTimeNano = in.readLong(); |
| mAction = in.readInt(); |
| mMetaState = in.readInt(); |
| mRawX = in.readFloat(); |
| mRawY = in.readFloat(); |
| final int NP = in.readInt(); |
| mNumPointers = NP; |
| final int NS = in.readInt(); |
| mNumSamples = NS; |
| final int NI = NP*NS; |
| if (NI > 0) { |
| int[] ids = mPointerIdentifiers; |
| if (ids.length < NP) { |
| mPointerIdentifiers = ids = new int[NP]; |
| } |
| for (int i=0; i<NP; i++) { |
| ids[i] = in.readInt(); |
| } |
| float[] history = mDataSamples; |
| final int ND = NI*NUM_SAMPLE_DATA; |
| if (history.length < ND) { |
| mDataSamples = history = new float[ND]; |
| } |
| for (int i=0; i<ND; i++) { |
| history[i] = in.readFloat(); |
| } |
| long[] times = mTimeSamples; |
| if (times == null || times.length < NS) { |
| mTimeSamples = times = new long[NS]; |
| } |
| for (int i=0; i<NS; i++) { |
| times[i] = in.readLong(); |
| } |
| } |
| mXPrecision = in.readFloat(); |
| mYPrecision = in.readFloat(); |
| mDeviceId = in.readInt(); |
| mEdgeFlags = in.readInt(); |
| } |
| |
| } |
