Call WindowContainer#dump in all levels

In order to know if there is an animating window container. And
all derived classes should call super because the dump method is
annotated as CallSuper.

This fixes that TaskDisplayArea and ActivityStack don't call super
and the overridden Task#dump is never called. Also adjust the output
format so it is easier to read.

Bug: 157743122
Test: "adb shell dumpsys activity activities" and check the section
      "Task display areas in top down Z order".
Change-Id: I8396e1fbce1960dc9dcd9de8c5cd47bfd18ba31a
diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index fe2b144..f643fff 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -7539,7 +7539,7 @@
     public String toString() {
         if (stringName != null) {
             return stringName + " t" + (task == null ? INVALID_TASK_ID : task.mTaskId) +
-                    (finishing ? " f}" : "") + (mIsExiting ? " mIsExiting=" : "") + "}";
+                    (finishing ? " f}" : "") + (mIsExiting ? " isExiting" : "") + "}";
         }
         StringBuilder sb = new StringBuilder(128);
         sb.append("ActivityRecord{");
diff --git a/services/core/java/com/android/server/wm/ActivityStack.java b/services/core/java/com/android/server/wm/ActivityStack.java
index 0d5621d..2146f77 100644
--- a/services/core/java/com/android/server/wm/ActivityStack.java
+++ b/services/core/java/com/android/server/wm/ActivityStack.java
@@ -3230,22 +3230,22 @@
 
     @Override
     void dump(PrintWriter pw, String prefix, boolean dumpAll) {
-        pw.println(prefix + "mStackId=" + getRootTaskId());
-        pw.println(prefix + "mDeferRemoval=" + mDeferRemoval);
-        pw.println(prefix + "mBounds=" + getRawBounds().toShortString());
-        for (int taskNdx = mChildren.size() - 1; taskNdx >= 0; taskNdx--) {
-            mChildren.get(taskNdx).dump(pw, prefix + "  ", dumpAll);
+        if (mDeferRemoval) {
+            pw.println(prefix + "mDeferRemoval=true");
         }
+        super.dump(pw, prefix, dumpAll);
         if (!mExitingActivities.isEmpty()) {
             pw.println();
-            pw.println("  Exiting application tokens:");
+            pw.println(prefix + "Exiting application tokens:");
+            final String doublePrefix = prefix + "  ";
             for (int i = mExitingActivities.size() - 1; i >= 0; i--) {
                 WindowToken token = mExitingActivities.get(i);
-                pw.print("  Exiting App #"); pw.print(i);
+                pw.print(doublePrefix + "Exiting App #" + i);
                 pw.print(' '); pw.print(token);
                 pw.println(':');
-                token.dump(pw, "    ", dumpAll);
+                token.dump(pw, doublePrefix, dumpAll);
             }
+            pw.println();
         }
         mAnimatingActivityRegistry.dump(pw, "AnimatingApps:", prefix);
     }
diff --git a/services/core/java/com/android/server/wm/ActivityStackSupervisor.java b/services/core/java/com/android/server/wm/ActivityStackSupervisor.java
index b7ca1a9..1f9e860 100644
--- a/services/core/java/com/android/server/wm/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/wm/ActivityStackSupervisor.java
@@ -1886,7 +1886,7 @@
     public void dump(PrintWriter pw, String prefix) {
         pw.println();
         pw.println("ActivityStackSupervisor state:");
-        mRootWindowContainer.dump(pw, prefix);
+        mRootWindowContainer.dump(pw, prefix, true /* dumpAll */);
         getKeyguardController().dump(pw, prefix);
         mService.getLockTaskController().dump(pw, prefix);
         pw.print(prefix);
diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index a5b94b3..05594c8 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -2977,12 +2977,10 @@
         pw.println();
         mWallpaperController.dump(pw, "  ");
 
-        pw.println();
-        pw.print("mSystemGestureExclusion=");
         if (mSystemGestureExclusionListeners.getRegisteredCallbackCount() > 0) {
+            pw.println();
+            pw.print("  mSystemGestureExclusion=");
             pw.println(mSystemGestureExclusion);
-        } else {
-            pw.println("<no lstnrs>");
         }
 
         pw.println();
diff --git a/services/core/java/com/android/server/wm/RootWindowContainer.java b/services/core/java/com/android/server/wm/RootWindowContainer.java
index ae5adca..583663c 100644
--- a/services/core/java/com/android/server/wm/RootWindowContainer.java
+++ b/services/core/java/com/android/server/wm/RootWindowContainer.java
@@ -3570,12 +3570,14 @@
         }
     }
 
-    public void dump(PrintWriter pw, String prefix) {
+    @Override
+    public void dump(PrintWriter pw, String prefix, boolean dumpAll) {
+        super.dump(pw, prefix, dumpAll);
         pw.print(prefix);
         pw.println("topDisplayFocusedStack=" + getTopDisplayFocusedStack());
         for (int i = getChildCount() - 1; i >= 0; --i) {
             final DisplayContent display = getChildAt(i);
-            display.dump(pw, prefix, true /* dumpAll */);
+            display.dump(pw, prefix, dumpAll);
         }
         pw.println();
     }
diff --git a/services/core/java/com/android/server/wm/SurfaceAnimator.java b/services/core/java/com/android/server/wm/SurfaceAnimator.java
index 1b77fd2..0e5d7d9 100644
--- a/services/core/java/com/android/server/wm/SurfaceAnimator.java
+++ b/services/core/java/com/android/server/wm/SurfaceAnimator.java
@@ -428,16 +428,11 @@
 
     void dump(PrintWriter pw, String prefix) {
         pw.print(prefix); pw.print("mLeash="); pw.print(mLeash);
-        if (mAnimationStartDelayed) {
-            pw.print(" mAnimationStartDelayed="); pw.println(mAnimationStartDelayed);
-        } else {
-            pw.println();
-        }
-        pw.print(prefix); pw.println("Animation:");
+        pw.print(" mAnimationType=" + mAnimationType);
+        pw.println(mAnimationStartDelayed ? " mAnimationStartDelayed=true" : "");
+        pw.print(prefix); pw.print("Animation: "); pw.println(mAnimation);
         if (mAnimation != null) {
             mAnimation.dump(pw, prefix + "  ");
-        } else {
-            pw.print(prefix); pw.println("null");
         }
     }
 
diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index 48609e1..3ee7ee7 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -3519,20 +3519,17 @@
     @Override
     void dump(PrintWriter pw, String prefix, boolean dumpAll) {
         super.dump(pw, prefix, dumpAll);
+        pw.println(prefix + "bounds=" + getBounds().toShortString());
         final String doublePrefix = prefix + "  ";
-
-        pw.println(prefix + "taskId=" + mTaskId);
-        pw.println(doublePrefix + "mBounds=" + getBounds().toShortString());
-        pw.println(doublePrefix + "appTokens=" + mChildren);
-
-        final String triplePrefix = doublePrefix + "  ";
-        final String quadruplePrefix = triplePrefix + "  ";
-
-        int[] index = { 0 };
-        forAllActivities((r) -> {
-            pw.println(triplePrefix + "Activity #" + index[0]++ + " " + r);
-            r.dump(pw, quadruplePrefix, dumpAll);
-        });
+        for (int i = mChildren.size() - 1; i >= 0; i--) {
+            final WindowContainer<?> child = mChildren.get(i);
+            pw.println(prefix + "* " + child);
+            // Only dump non-activity because full activity info is already printed by
+            // RootWindowContainer#dumpActivities.
+            if (child.asActivityRecord() == null) {
+                child.dump(pw, doublePrefix, dumpAll);
+            }
+        }
     }
 
     /**
diff --git a/services/core/java/com/android/server/wm/TaskDisplayArea.java b/services/core/java/com/android/server/wm/TaskDisplayArea.java
index 22054db..102c2a6 100644
--- a/services/core/java/com/android/server/wm/TaskDisplayArea.java
+++ b/services/core/java/com/android/server/wm/TaskDisplayArea.java
@@ -1772,16 +1772,20 @@
     @Override
     void dump(PrintWriter pw, String prefix, boolean dumpAll) {
         pw.println(prefix + "TaskDisplayArea " + getName());
+        super.dump(pw, prefix, dumpAll);
         if (mPreferredTopFocusableStack != null) {
             pw.println(prefix + "  mPreferredTopFocusableStack=" + mPreferredTopFocusableStack);
         }
         if (mLastFocusedStack != null) {
             pw.println(prefix + "  mLastFocusedStack=" + mLastFocusedStack);
         }
-        pw.println(prefix + "  Application tokens in top down Z order:");
+        final String doublePrefix = prefix + "  ";
+        final String triplePrefix = doublePrefix + "  ";
+        pw.println(doublePrefix + "Application tokens in top down Z order:");
         for (int stackNdx = getChildCount() - 1; stackNdx >= 0; --stackNdx) {
             final ActivityStack stack = getChildAt(stackNdx);
-            stack.dump(pw, prefix + "    ", dumpAll);
+            pw.println(doublePrefix + "* " + stack);
+            stack.dump(pw, triplePrefix, dumpAll);
         }
     }
 }