Add debug tracing for a lab-only flake

This time, Launcher doesn't send a completion event upon switching from
Home to all apps.

Bug: 133867119
Change-Id: I3738cf10a14ea288df2dfda387aafda022beb349

4 files changed, 21 insertions, 0 deletions

diff --git a/src/com/android/launcher3/compat/AccessibilityManagerCompat.java b/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
index 81c95cbdd..43ae65175 100644
--- a/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
+++ b/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
@@ -53,6 +53,9 @@ public class AccessibilityManagerCompat {
     }
 
     public static void sendStateEventToTest(Context context, int stateOrdinal) {
+        if (com.android.launcher3.testing.TestProtocol.sDebugTracing) {
+            android.util.Log.e(TestProtocol.NO_ALLAPPS_EVENT_TAG, "sendStateEventToTest");
+        }
         final AccessibilityManager accessibilityManager = getAccessibilityManagerForTest(context);
         if (accessibilityManager == null) return;
 
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index a678ef248..aff7861a8 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -68,6 +68,7 @@ public final class TestProtocol {
     public static boolean sDebugTracing = false;
     public static final String REQUEST_ENABLE_DEBUG_TRACING = "enable-debug-tracing";
     public static final String REQUEST_DISABLE_DEBUG_TRACING = "disable-debug-tracing";
+    public static final String NO_ALLAPPS_EVENT_TAG = "b/133867119";
     public static final String NO_DRAG_TAG = "b/133009122";
     public static final String NO_START_TAG = "b/132900132";
 }
diff --git a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
index 35fc8731f..9703aa626 100644
--- a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
+++ b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
@@ -43,6 +43,7 @@ import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.AnimatorSetBuilder;
 import com.android.launcher3.compat.AccessibilityManagerCompat;
+import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
@@ -363,6 +364,9 @@ public abstract class AbstractStateChangeTouchController
 
     @Override
     public void onDragEnd(float velocity, boolean fling) {
+        if (com.android.launcher3.testing.TestProtocol.sDebugTracing) {
+            android.util.Log.e(TestProtocol.NO_ALLAPPS_EVENT_TAG, "onDragEnd");
+        }
         final int logAction = fling ? Touch.FLING : Touch.SWIPE;
 
         boolean blockedFling = fling && mFlingBlockCheck.isBlocked();
@@ -499,6 +503,9 @@ public abstract class AbstractStateChangeTouchController
     }
 
     protected void onSwipeInteractionCompleted(LauncherState targetState, int logAction) {
+        if (com.android.launcher3.testing.TestProtocol.sDebugTracing) {
+            android.util.Log.e(TestProtocol.NO_ALLAPPS_EVENT_TAG, "onSwipeInteractionCompleted 1");
+        }
         if (mAtomicComponentsController != null) {
             mAtomicComponentsController.getAnimationPlayer().end();
             mAtomicComponentsController = null;
@@ -517,6 +524,10 @@ public abstract class AbstractStateChangeTouchController
             }
             mLauncher.getStateManager().goToState(targetState, false /* animated */);
 
+            if (com.android.launcher3.testing.TestProtocol.sDebugTracing) {
+                android.util.Log.e(
+                        TestProtocol.NO_ALLAPPS_EVENT_TAG, "onSwipeInteractionCompleted 2");
+            }
             AccessibilityManagerCompat.sendStateEventToTest(mLauncher, targetState.ordinal);
         }
     }
diff --git a/src/com/android/launcher3/touch/SwipeDetector.java b/src/com/android/launcher3/touch/SwipeDetector.java
index 4e3dcf8b8..4616e58fe 100644
--- a/src/com/android/launcher3/touch/SwipeDetector.java
+++ b/src/com/android/launcher3/touch/SwipeDetector.java
@@ -25,6 +25,7 @@ import android.view.VelocityTracker;
 import android.view.ViewConfiguration;
 
 import com.android.launcher3.Utilities;
+import com.android.launcher3.testing.TestProtocol;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
@@ -174,6 +175,11 @@ public class SwipeDetector {
         }
 
         mState = newState;
+        if (com.android.launcher3.testing.TestProtocol.sDebugTracing) {
+            android.util.Log.e(TestProtocol.NO_ALLAPPS_EVENT_TAG,
+                    "setState: " + newState + " @ " + android.util.Log.getStackTraceString(
+                            new Throwable()));
+        }
     }
 
     public boolean isDraggingOrSettling() {