Added logging to debug the notification view hierarchy

Adding more logging to the systemUI tree to get useful
state to debug visual issues.

Test: grab bugreport
Bug: 80525283
Change-Id: Ia500dea632bc66f08c1ce350914ead033aba7383

4 files changed, 111 insertions, 2 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
index bce613a33859..d66d093d810e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
@@ -94,6 +94,9 @@ import com.android.systemui.statusbar.notification.stack.ExpandableViewState;
 import com.android.systemui.statusbar.notification.stack.NotificationChildrenContainer;
 import com.android.systemui.statusbar.notification.stack.StackScrollState;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.function.BooleanSupplier;
@@ -3017,6 +3020,36 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
         boolean onClick(View v, int x, int y, MenuItem item);
     }
 
+    @Override
+    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        super.dump(fd, pw, args);
+        pw.println("  Notification: " + getStatusBarNotification().getKey());
+        pw.print("    visibility: " + getVisibility());
+        pw.print(", alpha: " + getAlpha());
+        pw.print(", translation: " + getTranslation());
+        pw.print(", removed: " + isRemoved());
+        pw.print(", privateShowing: " + (getShowingLayout() == mPrivateLayout));
+        pw.println();
+        pw.print("    ");
+        if (mNotificationViewState != null) {
+            mNotificationViewState.dump(fd, pw, args);
+        } else {
+            pw.print("no viewState!!!");
+        }
+        pw.println();
+        pw.println();
+        if (mIsSummaryWithChildren) {
+            List<ExpandableNotificationRow> notificationChildren = getNotificationChildren();
+            pw.println("  Children: " + notificationChildren.size());
+            pw.println("  {");
+            for(ExpandableNotificationRow child : notificationChildren) {
+                child.dump(fd, pw, args);
+            }
+            pw.println("  }");
+            pw.println();
+        }
+    }
+
     /**
      * Background task for executing IPCs to check if the notification is a system notification. The
      * output is used for both the blocking helper and the notification info.
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java
index 46019e3b48ea..38d657b967a0 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java
@@ -25,16 +25,19 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 
+import com.android.systemui.Dumpable;
 import com.android.systemui.statusbar.notification.stack.ExpandableViewState;
 import com.android.systemui.statusbar.notification.stack.NotificationStackScrollLayout;
 import com.android.systemui.statusbar.notification.stack.StackScrollState;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
 import java.util.ArrayList;
 
 /**
  * An abstract view for expandable views.
  */
-public abstract class ExpandableView extends FrameLayout {
+public abstract class ExpandableView extends FrameLayout implements Dumpable {
 
     public static final float NO_ROUNDNESS = -1;
     protected OnHeightChangedListener mOnHeightChangedListener;
@@ -559,6 +562,10 @@ public abstract class ExpandableView extends FrameLayout {
         return false;
     }
 
+    @Override
+    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+    }
+
     /**
      * A listener notifying when {@link #getActualHeight} changes.
      */
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
index 33ac390de29f..bac42ffceb92 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
@@ -4912,6 +4912,34 @@ public class NotificationStackScrollLayout extends ViewGroup
                 mMaxTopPadding,
                 mShouldShowShelfOnly ? "T" : "f",
                 mQsExpansionFraction));
+        int childCount = getChildCount();
+        pw.println("  Number of children: " + childCount);
+        pw.println();
+
+        for (int i = 0; i < childCount; i++) {
+            ExpandableView child = (ExpandableView) getChildAt(i);
+            child.dump(fd, pw, args);
+            if (!(child instanceof ExpandableNotificationRow)) {
+                pw.println("  " + child.getClass().getSimpleName());
+                // Notifications dump it's viewstate as part of their dump to support children
+                ExpandableViewState viewState = mCurrentStackScrollState.getViewStateForView(
+                        child);
+                if (viewState == null) {
+                    pw.println("    no viewState!!!");
+                } else {
+                    pw.print("    ");
+                    viewState.dump(fd, pw, args);
+                    pw.println();
+                    pw.println();
+                }
+            }
+        }
+        pw.println("  Transient Views: " + childCount);
+        int transientViewCount = getTransientViewCount();
+        for (int i = 0; i < transientViewCount; i++) {
+            ExpandableView child = (ExpandableView) getTransientView(i);
+            child.dump(fd, pw, args);
+        }
     }
 
     @ShadeViewRefactor(RefactorComponent.SHADE_VIEW)
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ViewState.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ViewState.java
index 1f3244f2177d..a15fd7083017 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ViewState.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/ViewState.java
@@ -25,6 +25,7 @@ import android.util.Property;
 import android.view.View;
 import android.view.animation.Interpolator;
 
+import com.android.systemui.Dumpable;
 import com.android.systemui.Interpolators;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.notification.row.ExpandableView;
@@ -32,12 +33,17 @@ import com.android.systemui.statusbar.notification.AnimatableProperty;
 import com.android.systemui.statusbar.notification.PropertyAnimator;
 import com.android.systemui.statusbar.policy.HeadsUpUtil;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+
 /**
  * A state of a view. This can be used to apply a set of view properties to a view with
  * {@link com.android.systemui.statusbar.notification.stack.StackScrollState} or start
  * animations with {@link com.android.systemui.statusbar.notification.stack.StackStateAnimator}.
 */
-public class ViewState {
+public class ViewState implements Dumpable {
 
     /**
      * Some animation properties that can be used to update running animations but not creating
@@ -710,4 +716,39 @@ public class ViewState {
             animator.cancel();
         }
     }
+
+    @Override
+    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        StringBuilder result = new StringBuilder();
+        result.append("ViewState { ");
+
+        boolean first = true;
+        Class currentClass = this.getClass();
+        while (currentClass != null) {
+            Field[] fields = currentClass.getDeclaredFields();
+            // Print field names paired with their values
+            for (Field field : fields) {
+                int modifiers = field.getModifiers();
+                if (Modifier.isStatic(modifiers) || field.isSynthetic()
+                        || Modifier.isTransient(modifiers)) {
+                    continue;
+                }
+                if (!first) {
+                    result.append(", ");
+                }
+                try {
+                    result.append(field.getName());
+                    result.append(": ");
+                    //requires access to private field:
+                    field.setAccessible(true);
+                    result.append(field.get(this));
+                } catch (IllegalAccessException ex) {
+                }
+                first = false;
+            }
+            currentClass = currentClass.getSuperclass();
+        }
+        result.append(" }");
+        pw.print(result);
+    }
 }