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Bias rotation to remain in existing rotation

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Change-Id: I3457dc7946838eb7e0e68a879091941ce4674a7a
This commit is contained in:
Vinit Nayak
2020-04-28 12:53:07 -07:00
parent 2f04a9d271
commit 72c9da7647
1 changed files with 43 additions and 11 deletions
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54
quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
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@@ -17,6 +17,7 @@
package com.android.quickstep.util;
import static android.util.DisplayMetrics.DENSITY_DEVICE_STABLE;
import static android.view.OrientationEventListener.ORIENTATION_UNKNOWN;
import static android.view.Surface.ROTATION_0;
import static android.view.Surface.ROTATION_180;
import static android.view.Surface.ROTATION_270;
@@ -135,7 +136,7 @@ public final class RecentsOrientedState implements SharedPreferences.OnSharedPre
mOrientationListener = new OrientationEventListener(context) {
@Override
public void onOrientationChanged(int degrees) {
int newRotation = getRotationForUserDegreesRotated(degrees);
int newRotation = getRotationForUserDegreesRotated(degrees, mPreviousRotation);
if (newRotation != mPreviousRotation) {
mPreviousRotation = newRotation;
rotationChangeListener.accept(newRotation);
@@ -392,17 +393,48 @@ public final class RecentsOrientedState implements SharedPreferences.OnSharedPre
}
@SurfaceRotation
public static int getRotationForUserDegreesRotated(float degrees) {
int threshold = 70;
if (degrees >= (360 - threshold) || degrees < (threshold)) {
return ROTATION_0;
} else if (degrees < (90 + threshold)) {
return ROTATION_270;
} else if (degrees < 180 + threshold) {
return ROTATION_180;
} else {
return ROTATION_90;
public static int getRotationForUserDegreesRotated(float degrees, int currentRotation) {
if (degrees == ORIENTATION_UNKNOWN) {
return currentRotation;
}
int threshold = 70;
switch (currentRotation) {
case ROTATION_0:
if (degrees > 180 && degrees < (360 - threshold)) {
return ROTATION_90;
}
if (degrees < 180 && degrees > threshold) {
return ROTATION_270;
}
break;
case ROTATION_270:
if (degrees < (90 - threshold)) {
return ROTATION_0;
}
if (degrees > (90 + threshold)) {
return ROTATION_180;
}
break;
case ROTATION_180:
if (degrees < (180 - threshold)) {
return ROTATION_270;
}
if (degrees > (180 + threshold)) {
return ROTATION_90;
}
break;
case ROTATION_90:
if (degrees < (270 - threshold)) {
return ROTATION_180;
}
if (degrees > (270 + threshold)) {
return ROTATION_0;
}
break;
}
return currentRotation;
}
public boolean isDisplayPhoneNatural() {