am 84c1bbd7: Merge "Move PointerTracker.MIN_GESTURE_RECOGNITION_TIME to GestureStroke" into jb-mr1-dev
* commit '84c1bbd76d144c2d777952079b9e8d8fea98c9b2': Move PointerTracker.MIN_GESTURE_RECOGNITION_TIME to GestureStrokemain
commit
d8aeb6ee47
|
@ -47,8 +47,6 @@ public class PointerTracker implements PointerTrackerQueue.Element {
|
||||||
private static boolean sGestureHandlingEnabledByInputField = false;
|
private static boolean sGestureHandlingEnabledByInputField = false;
|
||||||
private static boolean sGestureHandlingEnabledByUser = false;
|
private static boolean sGestureHandlingEnabledByUser = false;
|
||||||
|
|
||||||
private static final int MIN_GESTURE_RECOGNITION_TIME = 100; // msec
|
|
||||||
|
|
||||||
public interface KeyEventHandler {
|
public interface KeyEventHandler {
|
||||||
/**
|
/**
|
||||||
* Get KeyDetector object that is used for this PointerTracker.
|
* Get KeyDetector object that is used for this PointerTracker.
|
||||||
|
@ -562,7 +560,7 @@ public class PointerTracker implements PointerTrackerQueue.Element {
|
||||||
mGestureStrokeWithPreviewPoints.appendIncrementalBatchPoints(sAggregratedPointers);
|
mGestureStrokeWithPreviewPoints.appendIncrementalBatchPoints(sAggregratedPointers);
|
||||||
final int size = sAggregratedPointers.getPointerSize();
|
final int size = sAggregratedPointers.getPointerSize();
|
||||||
if (size > sLastRecognitionPointSize
|
if (size > sLastRecognitionPointSize
|
||||||
&& eventTime > sLastRecognitionTime + MIN_GESTURE_RECOGNITION_TIME) {
|
&& GestureStroke.hasRecognitionTimePast(eventTime, sLastRecognitionTime)) {
|
||||||
sLastRecognitionPointSize = size;
|
sLastRecognitionPointSize = size;
|
||||||
sLastRecognitionTime = eventTime;
|
sLastRecognitionTime = eventTime;
|
||||||
if (DEBUG_LISTENER) {
|
if (DEBUG_LISTENER) {
|
||||||
|
|
|
@ -36,10 +36,16 @@ public class GestureStroke {
|
||||||
|
|
||||||
// TODO: Move some of these to resource.
|
// TODO: Move some of these to resource.
|
||||||
private static final float MIN_GESTURE_LENGTH_RATIO_TO_KEY_WIDTH = 0.75f;
|
private static final float MIN_GESTURE_LENGTH_RATIO_TO_KEY_WIDTH = 0.75f;
|
||||||
private static final int MIN_GESTURE_DURATION = 100; // msec
|
private static final int MIN_GESTURE_START_DURATION = 100; // msec
|
||||||
|
private static final int MIN_GESTURE_RECOGNITION_TIME = 100; // msec
|
||||||
private static final float MIN_GESTURE_SAMPLING_RATIO_TO_KEY_WIDTH = 1.0f / 6.0f;
|
private static final float MIN_GESTURE_SAMPLING_RATIO_TO_KEY_WIDTH = 1.0f / 6.0f;
|
||||||
private static final float GESTURE_RECOG_SPEED_THRESHOLD = 0.4f; // dip/msec
|
private static final float GESTURE_RECOG_SPEED_THRESHOLD = 0.4f; // dip/msec
|
||||||
|
|
||||||
|
public static final boolean hasRecognitionTimePast(
|
||||||
|
final long currentTime, final long lastRecognitionTime) {
|
||||||
|
return currentTime > lastRecognitionTime + MIN_GESTURE_RECOGNITION_TIME;
|
||||||
|
}
|
||||||
|
|
||||||
public GestureStroke(final int pointerId) {
|
public GestureStroke(final int pointerId) {
|
||||||
mPointerId = pointerId;
|
mPointerId = pointerId;
|
||||||
}
|
}
|
||||||
|
@ -53,7 +59,7 @@ public class GestureStroke {
|
||||||
public boolean isStartOfAGesture() {
|
public boolean isStartOfAGesture() {
|
||||||
final int size = mEventTimes.getLength();
|
final int size = mEventTimes.getLength();
|
||||||
final int downDuration = (size > 0) ? mEventTimes.get(size - 1) : 0;
|
final int downDuration = (size > 0) ? mEventTimes.get(size - 1) : 0;
|
||||||
return downDuration > MIN_GESTURE_DURATION && mLength > mMinGestureLength;
|
return downDuration > MIN_GESTURE_START_DURATION && mLength > mMinGestureLength;
|
||||||
}
|
}
|
||||||
|
|
||||||
public void reset() {
|
public void reset() {
|
||||||
|
@ -97,7 +103,8 @@ public class GestureStroke {
|
||||||
if (!isHistorical) {
|
if (!isHistorical) {
|
||||||
final int duration = (int)(time - mLastPointTime);
|
final int duration = (int)(time - mLastPointTime);
|
||||||
if (mLastPointTime != 0 && duration > 0) {
|
if (mLastPointTime != 0 && duration > 0) {
|
||||||
final float speed = getDistance(mLastPointX, mLastPointY, x, y) / duration;
|
final float distance = getDistance(mLastPointX, mLastPointY, x, y);
|
||||||
|
final float speed = distance / duration;
|
||||||
if (speed < GESTURE_RECOG_SPEED_THRESHOLD) {
|
if (speed < GESTURE_RECOG_SPEED_THRESHOLD) {
|
||||||
mIncrementalRecognitionSize = size;
|
mIncrementalRecognitionSize = size;
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in New Issue