Adding tracing for a lab-only flake

We had a resolved case in the past where an app's context menu didn't
open on a long click (thanks to app updates), now the menu opens, but
the drag gesture doesn't drag the icon.

Bug: 133009122
Change-Id: I45d104a92fab6556ecd937aef76f0a8147e67f56

5 files changed, 40 insertions, 0 deletions

diff --git a/src/com/android/launcher3/LauncherStateManager.java b/src/com/android/launcher3/LauncherStateManager.java
index b1a3fc992..49ae33894 100644
--- a/src/com/android/launcher3/LauncherStateManager.java
+++ b/src/com/android/launcher3/LauncherStateManager.java
@@ -447,6 +447,10 @@ public class LauncherStateManager {
     }
 
     private void onStateTransitionStart(LauncherState state) {
+        if (com.android.launcher3.TestProtocol.sDebugTracing) {
+            android.util.Log.d(com.android.launcher3.TestProtocol.NO_DRAG_TAG,
+                    "onStateTransitionStart");
+        }
         if (mState != state) {
             mState.onStateDisabled(mLauncher);
         }
@@ -572,6 +576,10 @@ public class LauncherStateManager {
         private final AnimatorSet mAnim;
 
         public StartAnimRunnable(AnimatorSet anim) {
+            if (com.android.launcher3.TestProtocol.sDebugTracing) {
+                android.util.Log.d(com.android.launcher3.TestProtocol.NO_DRAG_TAG,
+                        "StartAnimRunnable");
+            }
             mAnim = anim;
         }
 
diff --git a/src/com/android/launcher3/TestProtocol.java b/src/com/android/launcher3/TestProtocol.java
index eefecda5d..081150db0 100644
--- a/src/com/android/launcher3/TestProtocol.java
+++ b/src/com/android/launcher3/TestProtocol.java
@@ -64,4 +64,8 @@ public final class TestProtocol {
             "all-apps-to-overview-swipe-height";
     public static final String REQUEST_HOME_TO_ALL_APPS_SWIPE_HEIGHT =
             "home-to-all-apps-swipe-height";
+    public static boolean sDebugTracing = false;
+    public static final String REQUEST_ENABLE_DRAG_LOGGING = "enable-drag-logging";
+    public static final String REQUEST_DISABLE_DRAG_LOGGING = "disable-drag-logging";
+    public static final String NO_DRAG_TAG = "b/133009122";
 }
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index a508ce52b..d19f9cd73 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -371,6 +371,10 @@ public class Workspace extends PagedView<WorkspacePageIndicator>
 
     @Override
     public void onDragStart(DropTarget.DragObject dragObject, DragOptions options) {
+        if (com.android.launcher3.TestProtocol.sDebugTracing) {
+            android.util.Log.d(com.android.launcher3.TestProtocol.NO_DRAG_TAG,
+                    "onDragStart 1");
+        }
         if (ENFORCE_DRAG_EVENT_ORDER) {
             enforceDragParity("onDragStart", 0, 0);
         }
@@ -421,6 +425,10 @@ public class Workspace extends PagedView<WorkspacePageIndicator>
         }
 
         // Always enter the spring loaded mode
+        if (com.android.launcher3.TestProtocol.sDebugTracing) {
+            android.util.Log.d(com.android.launcher3.TestProtocol.NO_DRAG_TAG,
+                    "onDragStart 2");
+        }
         mLauncher.getStateManager().goToState(SPRING_LOADED);
     }
 
diff --git a/src/com/android/launcher3/dragndrop/DragController.java b/src/com/android/launcher3/dragndrop/DragController.java
index f92e00acb..bf692fe47 100644
--- a/src/com/android/launcher3/dragndrop/DragController.java
+++ b/src/com/android/launcher3/dragndrop/DragController.java
@@ -472,6 +472,10 @@ public class DragController implements DragDriver.EventListener, TouchController
     }
 
     private void handleMoveEvent(int x, int y) {
+        if (com.android.launcher3.TestProtocol.sDebugTracing) {
+            android.util.Log.d(com.android.launcher3.TestProtocol.NO_DRAG_TAG,
+                    "handleMoveEvent 1");
+        }
         mDragObject.dragView.move(x, y);
 
         // Drop on someone?
@@ -488,6 +492,10 @@ public class DragController implements DragDriver.EventListener, TouchController
 
         if (mIsInPreDrag && mOptions.preDragCondition != null
                 && mOptions.preDragCondition.shouldStartDrag(mDistanceSinceScroll)) {
+            if (com.android.launcher3.TestProtocol.sDebugTracing) {
+                android.util.Log.d(com.android.launcher3.TestProtocol.NO_DRAG_TAG,
+                        "handleMoveEvent 2");
+            }
             callOnDragStart();
         }
     }
@@ -525,6 +533,10 @@ public class DragController implements DragDriver.EventListener, TouchController
      * Call this from a drag source view.
      */
     public boolean onControllerTouchEvent(MotionEvent ev) {
+        if (com.android.launcher3.TestProtocol.sDebugTracing) {
+            android.util.Log.d(com.android.launcher3.TestProtocol.NO_DRAG_TAG,
+                    "onControllerTouchEvent");
+        }
         if (mDragDriver == null || mOptions == null || mOptions.isAccessibleDrag) {
             return false;
         }
diff --git a/src/com/android/launcher3/views/BaseDragLayer.java b/src/com/android/launcher3/views/BaseDragLayer.java
index 3c81bcf39..496418240 100644
--- a/src/com/android/launcher3/views/BaseDragLayer.java
+++ b/src/com/android/launcher3/views/BaseDragLayer.java
@@ -213,6 +213,10 @@ public abstract class BaseDragLayer<T extends Context & ActivityContext>
 
     @Override
     public boolean onTouchEvent(MotionEvent ev) {
+        if (com.android.launcher3.TestProtocol.sDebugTracing) {
+            android.util.Log.d(com.android.launcher3.TestProtocol.NO_DRAG_TAG,
+                    "onTouchEvent " + ev);
+        }
         int action = ev.getAction();
         if (action == ACTION_UP || action == ACTION_CANCEL) {
             if (mTouchCompleteListener != null) {
@@ -222,6 +226,10 @@ public abstract class BaseDragLayer<T extends Context & ActivityContext>
         }
 
         if (mActiveController != null) {
+            if (com.android.launcher3.TestProtocol.sDebugTracing) {
+                android.util.Log.d(com.android.launcher3.TestProtocol.NO_DRAG_TAG,
+                        "onTouchEvent 1");
+            }
             return mActiveController.onControllerTouchEvent(ev);
         } else {
             // In case no child view handled the touch event, we may not get onIntercept anymore