frameworks/base/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
public int rotationForOrientationLw(int orientation, int lastRotation,
boolean displayEnabled) {
// Initialize the rotation angles for each orientation once.
Display d = ((WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE))
.getDefaultDisplay();
if (d.getWidth() > d.getHeight()) {
mPortraitRotation = Surface.ROTATION_0;
mLandscapeRotation = Surface.ROTATION_0;
mUpsideDownRotation = Surface.ROTATION_90;
mSeascapeRotation = Surface.ROTATION_180;
}
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