Update the edge back gesture width from the current user's overlays

- Also add some logging about the back gesture state

Bug: 135212748
Test: Switch to secondary user while first user is in 2/3 button and ensure
      secondary user back works

Change-Id: I0b144f8dc7c4818056068696b8fad5a6611515b9

3 files changed, 26 insertions, 8 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/EdgeBackGestureHandler.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/EdgeBackGestureHandler.java
index 38ff468304b7..cc0bc5f160e4 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/EdgeBackGestureHandler.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/EdgeBackGestureHandler.java
@@ -57,6 +57,7 @@ import com.android.systemui.recents.OverviewProxyService;
 import com.android.systemui.shared.system.QuickStepContract;
 import com.android.systemui.shared.system.WindowManagerWrapper;
 
+import java.io.PrintWriter;
 import java.util.concurrent.Executor;
 
 /**
@@ -118,7 +119,7 @@ public class EdgeBackGestureHandler implements DisplayListener {
 
     private final Region mExcludeRegion = new Region();
     // The edge width where touch down is allowed
-    private final int mEdgeWidth;
+    private int mEdgeWidth;
     // The slop to distinguish between horizontal and vertical motion
     private final float mTouchSlop;
     // Duration after which we consider the event as longpress.
@@ -163,10 +164,6 @@ public class EdgeBackGestureHandler implements DisplayListener {
         mWm = context.getSystemService(WindowManager.class);
         mOverviewProxyService = overviewProxyService;
 
-        // TODO: Get this for the current user
-        mEdgeWidth = res.getDimensionPixelSize(
-                com.android.internal.R.dimen.config_backGestureInset);
-
         // Reduce the default touch slop to ensure that we can intercept the gesture
         // before the app starts to react to it.
         // TODO(b/130352502) Tune this value and extract into a constant
@@ -176,6 +173,12 @@ public class EdgeBackGestureHandler implements DisplayListener {
         mNavBarHeight = res.getDimensionPixelSize(R.dimen.navigation_bar_frame_height);
         mMinArrowPosition = res.getDimensionPixelSize(R.dimen.navigation_edge_arrow_min_y);
         mFingerOffset = res.getDimensionPixelSize(R.dimen.navigation_edge_finger_offset);
+        updateCurrentUserResources(res);
+    }
+
+    public void updateCurrentUserResources(Resources res) {
+        mEdgeWidth = res.getDimensionPixelSize(
+                com.android.internal.R.dimen.config_backGestureInset);
     }
 
     /**
@@ -194,9 +197,10 @@ public class EdgeBackGestureHandler implements DisplayListener {
         updateIsEnabled();
     }
 
-    public void onNavigationModeChanged(int mode) {
+    public void onNavigationModeChanged(int mode, Context currentUserContext) {
         mIsGesturalModeEnabled = QuickStepContract.isGesturalMode(mode);
         updateIsEnabled();
+        updateCurrentUserResources(currentUserContext.getResources());
     }
 
     private void disposeInputChannel() {
@@ -270,6 +274,8 @@ public class EdgeBackGestureHandler implements DisplayListener {
                             | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH
                             | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN,
                     PixelFormat.TRANSLUCENT);
+            mEdgePanelLp.privateFlags |=
+                    WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
             mEdgePanelLp.setTitle(TAG + mDisplayId);
             mEdgePanelLp.accessibilityTitle = mContext.getString(R.string.nav_bar_edge_panel);
             mEdgePanelLp.windowAnimations = 0;
@@ -449,6 +455,16 @@ public class EdgeBackGestureHandler implements DisplayListener {
         mRightInset = rightInset;
     }
 
+    public void dump(PrintWriter pw) {
+        pw.println("EdgeBackGestureHandler:");
+        pw.println("  mIsEnabled=" + mIsEnabled);
+        pw.println("  mAllowGesture=" + mAllowGesture);
+        pw.println("  mExcludeRegion=" + mExcludeRegion);
+        pw.println("  mImeHeight=" + mImeHeight);
+        pw.println("  mIsAttached=" + mIsAttached);
+        pw.println("  mEdgeWidth=" + mEdgeWidth);
+    }
+
     class SysUiInputEventReceiver extends InputEventReceiver {
         SysUiInputEventReceiver(InputChannel channel, Looper looper) {
             super(channel, looper);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
index 90bce391c68d..ed486cdce665 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
@@ -772,9 +772,10 @@ public class NavigationBarView extends FrameLayout implements
 
     @Override
     public void onNavigationModeChanged(int mode) {
+        Context curUserCtx = Dependency.get(NavigationModeController.class).getCurrentUserContext();
         mNavBarMode = mode;
         mBarTransitions.onNavigationModeChanged(mNavBarMode);
-        mEdgeBackGestureHandler.onNavigationModeChanged(mNavBarMode);
+        mEdgeBackGestureHandler.onNavigationModeChanged(mNavBarMode, curUserCtx);
         mRecentsOnboarding.onNavigationModeChanged(mNavBarMode);
         getRotateSuggestionButton().onNavigationModeChanged(mNavBarMode);
 
@@ -1103,6 +1104,7 @@ public class NavigationBarView extends FrameLayout implements
         mContextualButtonGroup.dump(pw);
         mRecentsOnboarding.dump(pw);
         mTintController.dump(pw);
+        mEdgeBackGestureHandler.dump(pw);
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationModeController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationModeController.java
index 77eb469c4b29..11242201d893 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationModeController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationModeController.java
@@ -224,7 +224,7 @@ public class NavigationModeController implements Dumpable {
         return mode;
     }
 
-    private Context getCurrentUserContext() {
+    public Context getCurrentUserContext() {
         int userId = ActivityManagerWrapper.getInstance().getCurrentUserId();
         if (DEBUG) {
             Log.d(TAG, "getCurrentUserContext: contextUser=" + mContext.getUserId()