tenfourfox/mobile/android/base/java/org/mozilla/gecko/GeckoEvent.java
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

690 lines
26 KiB
Java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko;
import java.nio.ByteBuffer;
import java.util.concurrent.ArrayBlockingQueue;
import org.mozilla.gecko.AppConstants.Versions;
import org.mozilla.gecko.gfx.DisplayPortMetrics;
import org.mozilla.gecko.gfx.ImmutableViewportMetrics;
import android.graphics.Point;
import android.graphics.PointF;
import android.graphics.Rect;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorManager;
import android.location.Address;
import android.location.Location;
import android.os.SystemClock;
import android.util.Log;
import android.util.SparseArray;
import android.view.KeyEvent;
import android.view.MotionEvent;
import org.mozilla.gecko.annotation.JNITarget;
import org.mozilla.gecko.annotation.RobocopTarget;
/**
* We're not allowed to hold on to most events given to us
* so we save the parts of the events we want to use in GeckoEvent.
* Fields have different meanings depending on the event type.
*/
@JNITarget
public class GeckoEvent {
private static final String LOGTAG = "GeckoEvent";
private static final int EVENT_FACTORY_SIZE = 5;
// Maybe we're probably better to just make mType non final, and just store GeckoEvents in here...
private static final SparseArray<ArrayBlockingQueue<GeckoEvent>> mEvents = new SparseArray<ArrayBlockingQueue<GeckoEvent>>();
public static GeckoEvent get(NativeGeckoEvent type) {
synchronized (mEvents) {
ArrayBlockingQueue<GeckoEvent> events = mEvents.get(type.value);
if (events != null && events.size() > 0) {
return events.poll();
}
}
return new GeckoEvent(type);
}
public void recycle() {
synchronized (mEvents) {
ArrayBlockingQueue<GeckoEvent> events = mEvents.get(mType);
if (events == null) {
events = new ArrayBlockingQueue<GeckoEvent>(EVENT_FACTORY_SIZE);
mEvents.put(mType, events);
}
events.offer(this);
}
}
// Make sure to keep these values in sync with the enum in
// AndroidGeckoEvent in widget/android/AndroidJavaWrappers.h
@JNITarget
private enum NativeGeckoEvent {
NATIVE_POKE(0),
MOTION_EVENT(2),
SENSOR_EVENT(3),
LOCATION_EVENT(5),
SIZE_CHANGED(8),
APP_BACKGROUNDING(9),
APP_FOREGROUNDING(10),
LOAD_URI(12),
NOOP(15),
BROADCAST(19),
VIEWPORT(20),
VISITED(21),
NETWORK_CHANGED(22),
THUMBNAIL(25),
SCREENORIENTATION_CHANGED(27),
COMPOSITOR_CREATE(28),
COMPOSITOR_PAUSE(29),
COMPOSITOR_RESUME(30),
NATIVE_GESTURE_EVENT(31),
CALL_OBSERVER(33),
REMOVE_OBSERVER(34),
LOW_MEMORY(35),
NETWORK_LINK_CHANGE(36),
TELEMETRY_HISTOGRAM_ADD(37),
TELEMETRY_UI_SESSION_START(42),
TELEMETRY_UI_SESSION_STOP(43),
TELEMETRY_UI_EVENT(44),
GAMEPAD_ADDREMOVE(45),
GAMEPAD_DATA(46),
LONG_PRESS(47),
ZOOMEDVIEW(48);
public final int value;
private NativeGeckoEvent(int value) {
this.value = value;
}
}
public static final int ACTION_MAGNIFY_START = 11;
public static final int ACTION_MAGNIFY = 12;
public static final int ACTION_MAGNIFY_END = 13;
public static final int ACTION_GAMEPAD_ADDED = 1;
public static final int ACTION_GAMEPAD_REMOVED = 2;
public static final int ACTION_GAMEPAD_BUTTON = 1;
public static final int ACTION_GAMEPAD_AXES = 2;
private final int mType;
private int mAction;
private boolean mAckNeeded;
private long mTime;
private Point[] mPoints;
private int[] mPointIndicies;
private int mPointerIndex; // index of the point that has changed
private float[] mOrientations;
private float[] mPressures;
private int[] mToolTypes;
private Point[] mPointRadii;
private Rect mRect;
private double mX;
private double mY;
private double mZ;
private double mW;
private int mMetaState;
private int mFlags;
private int mCount;
private String mCharacters;
private String mCharactersExtra;
private String mData;
private Location mLocation;
private int mConnectionType;
private boolean mIsWifi;
private int mDHCPGateway;
private short mScreenOrientation;
private short mScreenAngle;
private ByteBuffer mBuffer;
private int mWidth;
private int mHeight;
private int mID;
private int mGamepadButton;
private boolean mGamepadButtonPressed;
private float mGamepadButtonValue;
private float[] mGamepadValues;
private GeckoEvent(NativeGeckoEvent event) {
mType = event.value;
}
public static GeckoEvent createAppBackgroundingEvent() {
return GeckoEvent.get(NativeGeckoEvent.APP_BACKGROUNDING);
}
public static GeckoEvent createAppForegroundingEvent() {
return GeckoEvent.get(NativeGeckoEvent.APP_FOREGROUNDING);
}
public static GeckoEvent createNoOpEvent() {
return GeckoEvent.get(NativeGeckoEvent.NOOP);
}
public static GeckoEvent createCompositorCreateEvent(int width, int height) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.COMPOSITOR_CREATE);
event.mWidth = width;
event.mHeight = height;
return event;
}
public static GeckoEvent createCompositorPauseEvent() {
return GeckoEvent.get(NativeGeckoEvent.COMPOSITOR_PAUSE);
}
public static GeckoEvent createCompositorResumeEvent() {
return GeckoEvent.get(NativeGeckoEvent.COMPOSITOR_RESUME);
}
/**
* This method is a replacement for the the KeyEvent.isGamepadButton method to be
* compatible with Build.VERSION.SDK_INT < 12. This is an implementation of the
* same method isGamepadButton available after SDK 12.
* @param keyCode int with the key code (Android key constant from KeyEvent).
* @return True if the keycode is a gamepad button, such as {@link #KEYCODE_BUTTON_A}.
*/
private static boolean isGamepadButton(int keyCode) {
switch (keyCode) {
case KeyEvent.KEYCODE_BUTTON_A:
case KeyEvent.KEYCODE_BUTTON_B:
case KeyEvent.KEYCODE_BUTTON_C:
case KeyEvent.KEYCODE_BUTTON_X:
case KeyEvent.KEYCODE_BUTTON_Y:
case KeyEvent.KEYCODE_BUTTON_Z:
case KeyEvent.KEYCODE_BUTTON_L1:
case KeyEvent.KEYCODE_BUTTON_R1:
case KeyEvent.KEYCODE_BUTTON_L2:
case KeyEvent.KEYCODE_BUTTON_R2:
case KeyEvent.KEYCODE_BUTTON_THUMBL:
case KeyEvent.KEYCODE_BUTTON_THUMBR:
case KeyEvent.KEYCODE_BUTTON_START:
case KeyEvent.KEYCODE_BUTTON_SELECT:
case KeyEvent.KEYCODE_BUTTON_MODE:
case KeyEvent.KEYCODE_BUTTON_1:
case KeyEvent.KEYCODE_BUTTON_2:
case KeyEvent.KEYCODE_BUTTON_3:
case KeyEvent.KEYCODE_BUTTON_4:
case KeyEvent.KEYCODE_BUTTON_5:
case KeyEvent.KEYCODE_BUTTON_6:
case KeyEvent.KEYCODE_BUTTON_7:
case KeyEvent.KEYCODE_BUTTON_8:
case KeyEvent.KEYCODE_BUTTON_9:
case KeyEvent.KEYCODE_BUTTON_10:
case KeyEvent.KEYCODE_BUTTON_11:
case KeyEvent.KEYCODE_BUTTON_12:
case KeyEvent.KEYCODE_BUTTON_13:
case KeyEvent.KEYCODE_BUTTON_14:
case KeyEvent.KEYCODE_BUTTON_15:
case KeyEvent.KEYCODE_BUTTON_16:
return true;
default:
return false;
}
}
public static GeckoEvent createNativeGestureEvent(int action, PointF pt, double size) {
try {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.NATIVE_GESTURE_EVENT);
event.mAction = action;
event.mCount = 1;
event.mPoints = new Point[1];
PointF geckoPoint = new PointF(pt.x, pt.y);
geckoPoint = GeckoAppShell.getLayerView().convertViewPointToLayerPoint(geckoPoint);
if (geckoPoint == null) {
// This could happen if Gecko isn't ready yet.
return null;
}
event.mPoints[0] = new Point((int)Math.floor(geckoPoint.x), (int)Math.floor(geckoPoint.y));
event.mX = size;
event.mTime = System.currentTimeMillis();
return event;
} catch (Exception e) {
// This can happen if Gecko isn't ready yet
return null;
}
}
/**
* Creates a GeckoEvent that contains the data from the MotionEvent.
* The keepInViewCoordinates parameter can be set to false to convert from the Java
* coordinate system (device pixels relative to the LayerView) to a coordinate system
* relative to gecko's coordinate system (CSS pixels relative to gecko scroll position).
*/
public static GeckoEvent createMotionEvent(MotionEvent m, boolean keepInViewCoordinates) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.MOTION_EVENT);
event.initMotionEvent(m, keepInViewCoordinates);
return event;
}
/**
* Creates a GeckoEvent that contains the data from the LongPressEvent, to be
* dispatched in CSS pixels relative to gecko's scroll position.
*/
public static GeckoEvent createLongPressEvent(MotionEvent m) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.LONG_PRESS);
event.initMotionEvent(m, false);
return event;
}
private void initMotionEvent(MotionEvent m, boolean keepInViewCoordinates) {
mAction = m.getActionMasked();
mTime = (System.currentTimeMillis() - SystemClock.elapsedRealtime()) + m.getEventTime();
mMetaState = m.getMetaState();
switch (mAction) {
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_POINTER_UP:
case MotionEvent.ACTION_POINTER_DOWN:
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_MOVE:
case MotionEvent.ACTION_HOVER_ENTER:
case MotionEvent.ACTION_HOVER_MOVE:
case MotionEvent.ACTION_HOVER_EXIT: {
mCount = m.getPointerCount();
mPoints = new Point[mCount];
mPointIndicies = new int[mCount];
mOrientations = new float[mCount];
mPressures = new float[mCount];
mToolTypes = new int[mCount];
mPointRadii = new Point[mCount];
mPointerIndex = m.getActionIndex();
for (int i = 0; i < mCount; i++) {
addMotionPoint(i, i, m, keepInViewCoordinates);
}
break;
}
default: {
mCount = 0;
mPointerIndex = -1;
mPoints = new Point[mCount];
mPointIndicies = new int[mCount];
mOrientations = new float[mCount];
mPressures = new float[mCount];
mToolTypes = new int[mCount];
mPointRadii = new Point[mCount];
}
}
}
private void addMotionPoint(int index, int eventIndex, MotionEvent event, boolean keepInViewCoordinates) {
try {
PointF geckoPoint = new PointF(event.getX(eventIndex), event.getY(eventIndex));
if (!keepInViewCoordinates) {
geckoPoint = GeckoAppShell.getLayerView().convertViewPointToLayerPoint(geckoPoint);
}
mPoints[index] = new Point((int)Math.floor(geckoPoint.x), (int)Math.floor(geckoPoint.y));
mPointIndicies[index] = event.getPointerId(eventIndex);
double radians = event.getOrientation(eventIndex);
mOrientations[index] = (float) Math.toDegrees(radians);
// w3c touchevents spec does not allow orientations == 90
// this shifts it to -90, which will be shifted to zero below
if (mOrientations[index] == 90)
mOrientations[index] = -90;
// w3c touchevent radius are given by an orientation between 0 and 90
// the radius is found by removing the orientation and measuring the x and y
// radius of the resulting ellipse
// for android orientations >= 0 and < 90, the major axis should correspond to
// just reporting the y radius as the major one, and x as minor
// however, for a radius < 0, we have to shift the orientation by adding 90, and
// reverse which radius is major and minor
if (mOrientations[index] < 0) {
mOrientations[index] += 90;
mPointRadii[index] = new Point((int)event.getToolMajor(eventIndex)/2,
(int)event.getToolMinor(eventIndex)/2);
} else {
mPointRadii[index] = new Point((int)event.getToolMinor(eventIndex)/2,
(int)event.getToolMajor(eventIndex)/2);
}
if (!keepInViewCoordinates) {
// If we are converting to gecko CSS pixels, then we should adjust the
// radii as well
float zoom = GeckoAppShell.getLayerView().getViewportMetrics().zoomFactor;
mPointRadii[index].x /= zoom;
mPointRadii[index].y /= zoom;
}
mPressures[index] = event.getPressure(eventIndex);
if (Versions.feature14Plus) {
mToolTypes[index] = event.getToolType(index);
}
} catch (Exception ex) {
Log.e(LOGTAG, "Error creating motion point " + index, ex);
mPointRadii[index] = new Point(0, 0);
mPoints[index] = new Point(0, 0);
}
}
private static int HalSensorAccuracyFor(int androidAccuracy) {
switch (androidAccuracy) {
case SensorManager.SENSOR_STATUS_UNRELIABLE:
return GeckoHalDefines.SENSOR_ACCURACY_UNRELIABLE;
case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
return GeckoHalDefines.SENSOR_ACCURACY_LOW;
case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
return GeckoHalDefines.SENSOR_ACCURACY_MED;
case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
return GeckoHalDefines.SENSOR_ACCURACY_HIGH;
}
return GeckoHalDefines.SENSOR_ACCURACY_UNKNOWN;
}
public static GeckoEvent createSensorEvent(SensorEvent s) {
int sensor_type = s.sensor.getType();
GeckoEvent event = null;
switch(sensor_type) {
case Sensor.TYPE_ACCELEROMETER:
event = GeckoEvent.get(NativeGeckoEvent.SENSOR_EVENT);
event.mFlags = GeckoHalDefines.SENSOR_ACCELERATION;
event.mMetaState = HalSensorAccuracyFor(s.accuracy);
event.mX = s.values[0];
event.mY = s.values[1];
event.mZ = s.values[2];
break;
case Sensor.TYPE_LINEAR_ACCELERATION:
event = GeckoEvent.get(NativeGeckoEvent.SENSOR_EVENT);
event.mFlags = GeckoHalDefines.SENSOR_LINEAR_ACCELERATION;
event.mMetaState = HalSensorAccuracyFor(s.accuracy);
event.mX = s.values[0];
event.mY = s.values[1];
event.mZ = s.values[2];
break;
case Sensor.TYPE_ORIENTATION:
event = GeckoEvent.get(NativeGeckoEvent.SENSOR_EVENT);
event.mFlags = GeckoHalDefines.SENSOR_ORIENTATION;
event.mMetaState = HalSensorAccuracyFor(s.accuracy);
event.mX = s.values[0];
event.mY = s.values[1];
event.mZ = s.values[2];
break;
case Sensor.TYPE_GYROSCOPE:
event = GeckoEvent.get(NativeGeckoEvent.SENSOR_EVENT);
event.mFlags = GeckoHalDefines.SENSOR_GYROSCOPE;
event.mMetaState = HalSensorAccuracyFor(s.accuracy);
event.mX = Math.toDegrees(s.values[0]);
event.mY = Math.toDegrees(s.values[1]);
event.mZ = Math.toDegrees(s.values[2]);
break;
case Sensor.TYPE_PROXIMITY:
event = GeckoEvent.get(NativeGeckoEvent.SENSOR_EVENT);
event.mFlags = GeckoHalDefines.SENSOR_PROXIMITY;
event.mMetaState = HalSensorAccuracyFor(s.accuracy);
event.mX = s.values[0];
event.mY = 0;
event.mZ = s.sensor.getMaximumRange();
break;
case Sensor.TYPE_LIGHT:
event = GeckoEvent.get(NativeGeckoEvent.SENSOR_EVENT);
event.mFlags = GeckoHalDefines.SENSOR_LIGHT;
event.mMetaState = HalSensorAccuracyFor(s.accuracy);
event.mX = s.values[0];
break;
case Sensor.TYPE_ROTATION_VECTOR:
event = GeckoEvent.get(NativeGeckoEvent.SENSOR_EVENT);
event.mFlags = GeckoHalDefines.SENSOR_ROTATION_VECTOR;
event.mMetaState = HalSensorAccuracyFor(s.accuracy);
event.mX = s.values[0];
event.mY = s.values[1];
event.mZ = s.values[2];
if (s.values.length >= 4) {
event.mW = s.values[3];
} else {
// s.values[3] was optional in API <= 18, so we need to compute it
// The values form a unit quaternion, so we can compute the angle of
// rotation purely based on the given 3 values.
event.mW = 1 - s.values[0]*s.values[0] - s.values[1]*s.values[1] - s.values[2]*s.values[2];
event.mW = (event.mW > 0.0) ? Math.sqrt(event.mW) : 0.0;
}
break;
// case Sensor.TYPE_GAME_ROTATION_VECTOR: // API >= 18
case 15:
event = GeckoEvent.get(NativeGeckoEvent.SENSOR_EVENT);
event.mFlags = GeckoHalDefines.SENSOR_GAME_ROTATION_VECTOR;
event.mMetaState = HalSensorAccuracyFor(s.accuracy);
event.mX = s.values[0];
event.mY = s.values[1];
event.mZ = s.values[2];
event.mW = s.values[3];
break;
}
return event;
}
public static GeckoEvent createLocationEvent(Location l) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.LOCATION_EVENT);
event.mLocation = l;
return event;
}
public static GeckoEvent createSizeChangedEvent(int w, int h, int screenw, int screenh) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.SIZE_CHANGED);
event.mPoints = new Point[2];
event.mPoints[0] = new Point(w, h);
event.mPoints[1] = new Point(screenw, screenh);
return event;
}
@RobocopTarget
public static GeckoEvent createBroadcastEvent(String subject, String data) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.BROADCAST);
event.mCharacters = subject;
event.mCharactersExtra = data;
return event;
}
public static GeckoEvent createViewportEvent(ImmutableViewportMetrics metrics, DisplayPortMetrics displayPort) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.VIEWPORT);
event.mCharacters = "Viewport:Change";
StringBuilder sb = new StringBuilder(256);
sb.append("{ \"x\" : ").append(metrics.viewportRectLeft)
.append(", \"y\" : ").append(metrics.viewportRectTop)
.append(", \"zoom\" : ").append(metrics.zoomFactor)
.append(", \"displayPort\" :").append(displayPort.toJSON())
.append('}');
event.mCharactersExtra = sb.toString();
return event;
}
public static GeckoEvent createURILoadEvent(String uri) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.LOAD_URI);
event.mCharacters = uri;
event.mCharactersExtra = "";
return event;
}
public static GeckoEvent createBookmarkLoadEvent(String uri) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.LOAD_URI);
event.mCharacters = uri;
event.mCharactersExtra = "-bookmark";
return event;
}
public static GeckoEvent createVisitedEvent(String data) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.VISITED);
event.mCharacters = data;
return event;
}
public static GeckoEvent createNetworkEvent(int connectionType, boolean isWifi, int DHCPGateway) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.NETWORK_CHANGED);
event.mConnectionType = connectionType;
event.mIsWifi = isWifi;
event.mDHCPGateway = DHCPGateway;
return event;
}
public static GeckoEvent createThumbnailEvent(int tabId, int bufw, int bufh, ByteBuffer buffer) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.THUMBNAIL);
event.mPoints = new Point[1];
event.mPoints[0] = new Point(bufw, bufh);
event.mMetaState = tabId;
event.mBuffer = buffer;
return event;
}
public static GeckoEvent createZoomedViewEvent(int tabId, int x, int y, int bufw, int bufh, float scaleFactor, ByteBuffer buffer) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.ZOOMEDVIEW);
event.mPoints = new Point[2];
event.mPoints[0] = new Point(x, y);
event.mPoints[1] = new Point(bufw, bufh);
event.mX = (double) scaleFactor;
event.mMetaState = tabId;
event.mBuffer = buffer;
return event;
}
public static GeckoEvent createScreenOrientationEvent(short aScreenOrientation, short aScreenAngle) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.SCREENORIENTATION_CHANGED);
event.mScreenOrientation = aScreenOrientation;
event.mScreenAngle = aScreenAngle;
return event;
}
public static GeckoEvent createCallObserverEvent(String observerKey, String topic, String data) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.CALL_OBSERVER);
event.mCharacters = observerKey;
event.mCharactersExtra = topic;
event.mData = data;
return event;
}
public static GeckoEvent createRemoveObserverEvent(String observerKey) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.REMOVE_OBSERVER);
event.mCharacters = observerKey;
return event;
}
public static GeckoEvent createLowMemoryEvent(int level) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.LOW_MEMORY);
event.mMetaState = level;
return event;
}
public static GeckoEvent createNetworkLinkChangeEvent(String status) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.NETWORK_LINK_CHANGE);
event.mCharacters = status;
return event;
}
public static GeckoEvent createTelemetryHistogramAddEvent(String histogram,
int value) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.TELEMETRY_HISTOGRAM_ADD);
event.mCharacters = histogram;
// Set the extras with null so that it cannot be mistaken with a keyed histogram.
event.mCharactersExtra = null;
event.mCount = value;
return event;
}
public static GeckoEvent createTelemetryKeyedHistogramAddEvent(String histogram,
String key,
int value) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.TELEMETRY_HISTOGRAM_ADD);
event.mCharacters = histogram;
event.mCharactersExtra = key;
event.mCount = value;
return event;
}
public static GeckoEvent createTelemetryUISessionStartEvent(String session, long timestamp) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.TELEMETRY_UI_SESSION_START);
event.mCharacters = session;
event.mTime = timestamp;
return event;
}
public static GeckoEvent createTelemetryUISessionStopEvent(String session, String reason, long timestamp) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.TELEMETRY_UI_SESSION_STOP);
event.mCharacters = session;
event.mCharactersExtra = reason;
event.mTime = timestamp;
return event;
}
public static GeckoEvent createTelemetryUIEvent(String action, String method, long timestamp, String extras) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.TELEMETRY_UI_EVENT);
event.mData = action;
event.mCharacters = method;
event.mCharactersExtra = extras;
event.mTime = timestamp;
return event;
}
public static GeckoEvent createGamepadAddRemoveEvent(int id, boolean added) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.GAMEPAD_ADDREMOVE);
event.mID = id;
event.mAction = added ? ACTION_GAMEPAD_ADDED : ACTION_GAMEPAD_REMOVED;
return event;
}
private static int boolArrayToBitfield(boolean[] array) {
int bits = 0;
for (int i = 0; i < array.length; i++) {
if (array[i]) {
bits |= 1<<i;
}
}
return bits;
}
public static GeckoEvent createGamepadButtonEvent(int id,
int which,
boolean pressed,
float value) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.GAMEPAD_DATA);
event.mID = id;
event.mAction = ACTION_GAMEPAD_BUTTON;
event.mGamepadButton = which;
event.mGamepadButtonPressed = pressed;
event.mGamepadButtonValue = value;
return event;
}
public static GeckoEvent createGamepadAxisEvent(int id, boolean[] valid,
float[] values) {
GeckoEvent event = GeckoEvent.get(NativeGeckoEvent.GAMEPAD_DATA);
event.mID = id;
event.mAction = ACTION_GAMEPAD_AXES;
event.mFlags = boolArrayToBitfield(valid);
event.mCount = values.length;
event.mGamepadValues = values;
return event;
}
public void setAckNeeded(boolean ackNeeded) {
mAckNeeded = ackNeeded;
}
}