Add state manager logs to protolog

Flag: com.android.launcher3.enable_state_manager_proto_log
Bug: 292269949
Test: checked winscope traces
Change-Id: I0941620efca3bf0d3cd859c211a7b06932d3838a
diff --git a/aconfig/launcher.aconfig b/aconfig/launcher.aconfig
index 457fdd8..aafa1f6 100644
--- a/aconfig/launcher.aconfig
+++ b/aconfig/launcher.aconfig
@@ -448,6 +448,12 @@
     bug: "292269949"
 }
 
+flag {
+    name: "enable_state_manager_proto_log"
+    namespace: "launcher"
+    description: "Enables tracking state manager logs in ProtoLog"
+    bug: "292269949"
+}
 
 flag {
     name: "coordinate_workspace_scale"
diff --git a/quickstep/src_protolog/com/android/launcher3/util/StateManagerProtoLogProxy.java b/quickstep/src_protolog/com/android/launcher3/util/StateManagerProtoLogProxy.java
new file mode 100644
index 0000000..bc989dc
--- /dev/null
+++ b/quickstep/src_protolog/com/android/launcher3/util/StateManagerProtoLogProxy.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.util;
+
+import static com.android.launcher3.Flags.enableStateManagerProtoLog;
+import static com.android.quickstep.util.QuickstepProtoLogGroup.LAUNCHER_STATE_MANAGER;
+
+import androidx.annotation.NonNull;
+
+import com.android.internal.protolog.ProtoLog;
+
+/**
+ * Proxy class used for StateManager ProtoLog support.
+ */
+public class StateManagerProtoLogProxy {
+
+    public static void logGoToState(
+            @NonNull Object fromState, @NonNull Object toState, @NonNull String trace) {
+        if (!enableStateManagerProtoLog()) return;
+        ProtoLog.d(LAUNCHER_STATE_MANAGER,
+                "StateManager.goToState: fromState: %s, toState: %s, partial trace:\n%s",
+                fromState,
+                toState,
+                trace);
+    }
+
+    public static void logCreateAtomicAnimation(
+            @NonNull Object fromState, @NonNull Object toState, @NonNull String trace) {
+        if (!enableStateManagerProtoLog()) return;
+        ProtoLog.d(LAUNCHER_STATE_MANAGER, "StateManager.createAtomicAnimation: "
+                        + "fromState: %s, toState: %s, partial trace:\n%s",
+                fromState,
+                toState,
+                trace);
+    }
+
+    public static void logOnStateTransitionStart(@NonNull Object state) {
+        if (!enableStateManagerProtoLog()) return;
+        ProtoLog.d(LAUNCHER_STATE_MANAGER, "StateManager.onStateTransitionStart: state: %s", state);
+    }
+
+    public static void logOnStateTransitionEnd(@NonNull Object state) {
+        if (!enableStateManagerProtoLog()) return;
+        ProtoLog.d(LAUNCHER_STATE_MANAGER, "StateManager.onStateTransitionEnd: state: %s", state);
+    }
+
+    public static void logCancelAnimation(boolean animationOngoing, @NonNull String trace) {
+        if (!enableStateManagerProtoLog()) return;
+        ProtoLog.d(LAUNCHER_STATE_MANAGER,
+                "StateManager.cancelAnimation: animation ongoing: %b, partial trace:\n%s",
+                animationOngoing,
+                trace);
+    }
+}
diff --git a/quickstep/src_protolog/com/android/quickstep/util/QuickstepProtoLogGroup.java b/quickstep/src_protolog/com/android/quickstep/util/QuickstepProtoLogGroup.java
index 7b81b9a..bb02a11 100644
--- a/quickstep/src_protolog/com/android/quickstep/util/QuickstepProtoLogGroup.java
+++ b/quickstep/src_protolog/com/android/quickstep/util/QuickstepProtoLogGroup.java
@@ -27,7 +27,8 @@
 public enum QuickstepProtoLogGroup implements IProtoLogGroup {
 
     ACTIVE_GESTURE_LOG(true, true, false, "ActiveGestureLog"),
-    RECENTS_WINDOW(true, true, Constants.DEBUG_RECENTS_WINDOW, "RecentsWindow");
+    RECENTS_WINDOW(true, true, Constants.DEBUG_RECENTS_WINDOW, "RecentsWindow"),
+    LAUNCHER_STATE_MANAGER(true, true, Constants.DEBUG_STATE_MANAGER, "LauncherStateManager");
 
     private final boolean mEnabled;
     private volatile boolean mLogToProto;
@@ -97,6 +98,7 @@
     private static final class Constants {
 
         private static final boolean DEBUG_RECENTS_WINDOW = false;
+        private static final boolean DEBUG_STATE_MANAGER = true; // b/279059025, b/325463989
 
         private static final int LOG_START_ID =
                 (int) (UUID.nameUUIDFromBytes(QuickstepProtoLogGroup.class.getName().getBytes())
diff --git a/src/com/android/launcher3/statemanager/StateManager.java b/src/com/android/launcher3/statemanager/StateManager.java
index 303290d..763f3ba 100644
--- a/src/com/android/launcher3/statemanager/StateManager.java
+++ b/src/com/android/launcher3/statemanager/StateManager.java
@@ -18,6 +18,7 @@
 
 import static android.animation.ValueAnimator.areAnimatorsEnabled;
 
+import static com.android.launcher3.Flags.enableStateManagerProtoLog;
 import static com.android.launcher3.anim.AnimatorPlaybackController.callListenerCommandRecursively;
 import static com.android.launcher3.states.StateAnimationConfig.HANDLE_STATE_APPLY;
 import static com.android.launcher3.states.StateAnimationConfig.SKIP_ALL_ANIMATIONS;
@@ -39,6 +40,7 @@
 import com.android.launcher3.states.StateAnimationConfig;
 import com.android.launcher3.states.StateAnimationConfig.AnimationFlags;
 import com.android.launcher3.states.StateAnimationConfig.AnimationPropertyFlags;
+import com.android.launcher3.util.StateManagerProtoLogProxy;
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
@@ -243,7 +245,10 @@
 
     private void goToState(
             STATE_TYPE state, boolean animated, long delay, AnimatorListener listener) {
-        if (DEBUG) {
+        if (enableStateManagerProtoLog()) {
+            StateManagerProtoLogProxy.logGoToState(
+                    mState, state, getTrimmedStackTrace("StateManager.goToState"));
+        } else if (DEBUG) {
             Log.d(TAG, "goToState - fromState: " + mState + ", toState: " + state
                     + ", partial trace:\n" + getTrimmedStackTrace("StateManager.goToState"));
         }
@@ -331,7 +336,10 @@
      */
     public AnimatorSet createAtomicAnimation(
             STATE_TYPE fromState, STATE_TYPE toState, StateAnimationConfig config) {
-        if (DEBUG) {
+        if (enableStateManagerProtoLog()) {
+            StateManagerProtoLogProxy.logCreateAtomicAnimation(
+                    mState, toState, getTrimmedStackTrace("StateManager.createAtomicAnimation"));
+        } else if (DEBUG) {
             Log.d(TAG, "createAtomicAnimation - fromState: " + fromState + ", toState: " + toState
                     + ", partial trace:\n" + getTrimmedStackTrace(
                             "StateManager.createAtomicAnimation"));
@@ -408,7 +416,9 @@
         mState = state;
         mStatefulContainer.onStateSetStart(mState);
 
-        if (DEBUG) {
+        if (enableStateManagerProtoLog()) {
+            StateManagerProtoLogProxy.logOnStateTransitionStart(state);
+        } else if (DEBUG) {
             Log.d(TAG, "onStateTransitionStart - state: " + state);
         }
         for (int i = mListeners.size() - 1; i >= 0; i--) {
@@ -428,7 +438,9 @@
             setRestState(null);
         }
 
-        if (DEBUG) {
+        if (enableStateManagerProtoLog()) {
+            StateManagerProtoLogProxy.logOnStateTransitionEnd(state);
+        } else if (DEBUG) {
             Log.d(TAG, "onStateTransitionEnd - state: " + state);
         }
         for (int i = mListeners.size() - 1; i >= 0; i--) {
@@ -468,7 +480,11 @@
      * Cancels the current animation.
      */
     public void cancelAnimation() {
-        if (DEBUG && mConfig.currentAnimation != null) {
+        if (enableStateManagerProtoLog()) {
+            StateManagerProtoLogProxy.logCancelAnimation(
+                    mConfig.currentAnimation != null,
+                    getTrimmedStackTrace("StateManager.cancelAnimation"));
+        } else if (DEBUG && mConfig.currentAnimation != null) {
             Log.d(TAG, "cancelAnimation - with ongoing animation"
                     + ", partial trace:\n" + getTrimmedStackTrace("StateManager.cancelAnimation"));
         }
diff --git a/src_no_quickstep/com/android/launcher3/util/StateManagerProtoLogProxy.java b/src_no_quickstep/com/android/launcher3/util/StateManagerProtoLogProxy.java
new file mode 100644
index 0000000..34e15f7
--- /dev/null
+++ b/src_no_quickstep/com/android/launcher3/util/StateManagerProtoLogProxy.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.util;
+
+/**
+ * Proxy class used for StateManager ProtoLog support.
+ */
+public class StateManagerProtoLogProxy {
+
+    public static void logGoToState(Object fromState, Object toState, String trace) { }
+
+    public static void logCreateAtomicAnimation(Object fromState, Object toState, String trace) { }
+
+    public static void logOnStateTransitionStart(Object state) { }
+
+    public static void logOnStateTransitionEnd(Object state) { }
+
+    public static void logCancelAnimation(boolean animationOngoing, String trace) { }
+}