am 73375a57: Added anti-falsing logic to the keyguard. (5fad8b3f) · Commits · e / os / android_frameworks_base

packages/SystemUI/res/values/dimens.xml

+9 −3

Original line number	Diff line number	Diff line
		@@ -278,8 +278,14 @@
		<!-- The height of the speed bump view. -->
		<dimen name="speed_bump_height">16dp</dimen>

		<!-- Lockscreen affordance drag distance for camera and phone. -->
		<dimen name="affordance_drag_distance">100dp</dimen>
		<!-- Lockscreen unlocking falsing threshold. -->
		<dimen name="unlock_falsing_threshold">100dp</dimen>

		<!-- Lockscreen falsing threshold for quick settings. -->
		<dimen name="qs_falsing_threshold">60dp</dimen>

		<!-- Falsing threshold used when dismissing notifications from the lockscreen. -->
		<dimen name="swipe_helper_falsing_threshold">100dp</dimen>

		<dimen name="notifications_top_padding">8dp</dimen>

		@@ -299,7 +305,7 @@
		<dimen name="heads_up_window_height">250dp</dimen>

		<!-- The minimum amount the user needs to swipe to go to the camera / phone. -->
		<dimen name="keyguard_min_swipe_amount">75dp</dimen>
		<dimen name="keyguard_min_swipe_amount">85dp</dimen>

		<!-- The minimum background radius when swiping to a side for the camera / phone affordances. -->
		<dimen name="keyguard_affordance_min_background_radius">30dp</dimen>

packages/SystemUI/src/com/android/systemui/SwipeHelper.java

+16 −3

Original line number	Diff line number	Diff line
		@@ -81,6 +81,8 @@ public class SwipeHelper implements Gefingerpoken {
		private long mLongPressTimeout;

		final private int[] mTmpPos = new int[2];
		private int mFalsingThreshold;
		private boolean mTouchAboveFalsingThreshold;

		public SwipeHelper(int swipeDirection, Callback callback, Context context) {
		mCallback = callback;
		@@ -93,6 +95,8 @@ public class SwipeHelper implements Gefingerpoken {
		mLongPressTimeout = (long) (ViewConfiguration.getLongPressTimeout() * 1.5f); // extra long-press!
		mFastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
		android.R.interpolator.fast_out_linear_in);
		mFalsingThreshold = context.getResources().getDimensionPixelSize(
		R.dimen.swipe_helper_falsing_threshold);
		}

		public void setLongPressListener(LongPressListener listener) {
		@@ -222,6 +226,7 @@ public class SwipeHelper implements Gefingerpoken {

		switch (action) {
		case MotionEvent.ACTION_DOWN:
		mTouchAboveFalsingThreshold = false;
		mDragging = false;
		mLongPressSent = false;
		mCurrView = mCallback.getChildAtPosition(ev);
		@@ -406,12 +411,16 @@ public class SwipeHelper implements Gefingerpoken {
		case MotionEvent.ACTION_MOVE:
		if (mCurrView != null) {
		float delta = getPos(ev) - mInitialTouchPos;
		float absDelta = Math.abs(delta);
		if (absDelta >= mFalsingThreshold) {
		mTouchAboveFalsingThreshold = true;
		}
		// don't let items that can't be dismissed be dragged more than
		// maxScrollDistance
		if (CONSTRAIN_SWIPE && !mCallback.canChildBeDismissed(mCurrView)) {
		float size = getSize(mCurrAnimView);
		float maxScrollDistance = 0.15f * size;
		if (Math.abs(delta) >= size) {
		if (absDelta >= size) {
		delta = delta > 0 ? maxScrollDistance : -maxScrollDistance;
		} else {
		delta = maxScrollDistance * (float) Math.sin((delta/size)*(Math.PI/2));
		@@ -437,9 +446,11 @@ public class SwipeHelper implements Gefingerpoken {
		boolean childSwipedFastEnough = (Math.abs(velocity) > escapeVelocity) &&
		(Math.abs(velocity) > Math.abs(perpendicularVelocity)) &&
		(velocity > 0) == (getTranslation(mCurrAnimView) > 0);
		boolean falsingDetected = mCallback.isAntiFalsingNeeded()
		&& !mTouchAboveFalsingThreshold;

		boolean dismissChild = mCallback.canChildBeDismissed(mCurrView) &&
		(childSwipedFastEnough \|\| childSwipedFarEnough);
		boolean dismissChild = mCallback.canChildBeDismissed(mCurrView)
		&& !falsingDetected && (childSwipedFastEnough \|\| childSwipedFarEnough);

		if (dismissChild) {
		// flingadingy
		@@ -462,6 +473,8 @@ public class SwipeHelper implements Gefingerpoken {

		boolean canChildBeDismissed(View v);

		boolean isAntiFalsingNeeded();

		void onBeginDrag(View v);

		void onChildDismissed(View v);

packages/SystemUI/src/com/android/systemui/recent/RecentsHorizontalScrollView.java

+5 −0

Original line number	Diff line number	Diff line
		@@ -191,6 +191,11 @@ public class RecentsHorizontalScrollView extends HorizontalScrollView
		return true;
		}

		@Override
		public boolean isAntiFalsingNeeded() {
		return false;
		}

		public void dismissChild(View v) {
		mSwipeHelper.dismissChild(v, 0);
		}

packages/SystemUI/src/com/android/systemui/recent/RecentsVerticalScrollView.java

+5 −0

Original line number	Diff line number	Diff line
		@@ -199,6 +199,11 @@ public class RecentsVerticalScrollView extends ScrollView
		return true;
		}

		@Override
		public boolean isAntiFalsingNeeded() {
		return false;
		}

		public void dismissChild(View v) {
		mSwipeHelper.dismissChild(v, 0);
		}

packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java

+11 −0

Original line number	Diff line number	Diff line
		@@ -160,6 +160,8 @@ public class NotificationPanelView extends PanelView implements

		private boolean mQsScrimEnabled = true;
		private boolean mLastAnnouncementWasQuickSettings;
		private boolean mQsTouchAboveFalsingThreshold;
		private int mQsFalsingThreshold;

		public NotificationPanelView(Context context, AttributeSet attrs) {
		super(context, attrs);
		@@ -230,6 +232,8 @@ public class NotificationPanelView extends PanelView implements
		mClockPositionAlgorithm.loadDimens(getResources());
		mNotificationScrimWaitDistance =
		getResources().getDimensionPixelSize(R.dimen.notification_scrim_wait_distance);
		mQsFalsingThreshold = getResources().getDimensionPixelSize(
		R.dimen.qs_falsing_threshold);
		}

		public void updateResources() {
		@@ -526,6 +530,7 @@ public class NotificationPanelView extends PanelView implements
		private void resetDownStates(MotionEvent event) {
		if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
		mOnlyAffordanceInThisMotion = false;
		mQsTouchAboveFalsingThreshold = mQsFullyExpanded;
		}
		}

		@@ -546,6 +551,9 @@ public class NotificationPanelView extends PanelView implements
		}

		private boolean flingExpandsQs(float vel) {
		if (!mQsTouchAboveFalsingThreshold && mStatusBarState == StatusBarState.KEYGUARD) {
		return false;
		}
		if (Math.abs(vel) < mFlingAnimationUtils.getMinVelocityPxPerSecond()) {
		return getQsExpansionFraction() > 0.5f;
		} else {
		@@ -690,6 +698,9 @@ public class NotificationPanelView extends PanelView implements
		case MotionEvent.ACTION_MOVE:
		final float h = y - mInitialTouchY;
		setQsExpansion(h + mInitialHeightOnTouch);
		if (h >= mQsFalsingThreshold) {
		mQsTouchAboveFalsingThreshold = true;
		}
		trackMovement(event);
		break;