Rename ViewRefactorFlag to RefactorFlag; make FeatureFlags exemption clearer.

* I'm removing the word View from the class so that this can be used in other contexts.
* I'm adding an requirement that you call `forView` if you want to omit the FeatureFlags.

Bug: 290365128
Test: atest SystemUITests
Change-Id: I96a273a660f05fc398ee7eb68e19b76aa8db0bc5
diff --git a/packages/SystemUI/src/com/android/systemui/flags/ViewRefactorFlag.kt b/packages/SystemUI/src/com/android/systemui/flags/RefactorFlag.kt
similarity index 71%
rename from packages/SystemUI/src/com/android/systemui/flags/ViewRefactorFlag.kt
rename to packages/SystemUI/src/com/android/systemui/flags/RefactorFlag.kt
index eaecda5..3fe6806 100644
--- a/packages/SystemUI/src/com/android/systemui/flags/ViewRefactorFlag.kt
+++ b/packages/SystemUI/src/com/android/systemui/flags/RefactorFlag.kt
@@ -28,27 +28,23 @@
  *   flag-disabled builds, but with a check that should crash eng builds or tests when the
  *   expectation is violated.
  *
- * The constructors prefer that you provide a [FeatureFlags] instance, but does not require it,
+ * The constructors require that you provide a [FeatureFlags] instance. If you're using this in a
+ * View class, it's acceptable to ue the [forView] constructor methods, which do not require one,
  * falling back to [Dependency.get]. This fallback should ONLY be used to flag-guard code changes
- * inside views where injecting flag values after initialization can be error-prone.
+ * inside Views where injecting flag values after initialization can be error-prone.
  */
-class ViewRefactorFlag
+class RefactorFlag
 private constructor(
     private val injectedFlags: FeatureFlags?,
-    private val flag: BooleanFlag,
+    private val flagName: Any,
     private val readFlagValue: (FeatureFlags) -> Boolean
 ) {
-    @JvmOverloads
     constructor(
-        flags: FeatureFlags? = null,
+        flags: FeatureFlags,
         flag: UnreleasedFlag
     ) : this(flags, flag, { it.isEnabled(flag) })
 
-    @JvmOverloads
-    constructor(
-        flags: FeatureFlags? = null,
-        flag: ReleasedFlag
-    ) : this(flags, flag, { it.isEnabled(flag) })
+    constructor(flags: FeatureFlags, flag: ReleasedFlag) : this(flags, flag, { it.isEnabled(flag) })
 
     /** Whether the flag is enabled. Called to switch between an old behavior and a new behavior. */
     val isEnabled by lazy {
@@ -69,7 +65,8 @@
      * }
      * ````
      */
-    fun assertDisabled() = check(!isEnabled) { "Code path not supported when $flag is enabled." }
+    fun assertDisabled() =
+        check(!isEnabled) { "Code path not supported when $flagName is enabled." }
 
     /**
      * Called to ensure code is only run when the flag is enabled. This protects users from the
@@ -87,13 +84,25 @@
      */
     fun expectEnabled(): Boolean {
         if (!isEnabled) {
-            val message = "Code path not supported when $flag is disabled."
+            val message = "Code path not supported when $flagName is disabled."
             Log.wtf(TAG, message, Exception(message))
         }
         return isEnabled
     }
 
-    private companion object {
-        private const val TAG = "ViewRefactorFlag"
+    companion object {
+        private const val TAG = "RefactorFlag"
+
+        /** Construct a [RefactorFlag] within View construction where injection is impossible. */
+        @JvmStatic
+        @JvmOverloads
+        fun forView(flag: UnreleasedFlag, flags: FeatureFlags? = null) =
+            RefactorFlag(flags, flag) { it.isEnabled(flag) }
+
+        /** Construct a [RefactorFlag] within View construction where injection is impossible. */
+        @JvmStatic
+        @JvmOverloads
+        fun forView(flag: ReleasedFlag, flags: FeatureFlags? = null) =
+            RefactorFlag(flags, flag) { it.isEnabled(flag) }
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/SideLabelTileLayout.kt b/packages/SystemUI/src/com/android/systemui/qs/SideLabelTileLayout.kt
index 11759f7..777faea 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/SideLabelTileLayout.kt
+++ b/packages/SystemUI/src/com/android/systemui/qs/SideLabelTileLayout.kt
@@ -19,7 +19,7 @@
 import android.content.Context
 import android.util.AttributeSet
 import com.android.systemui.flags.Flags
-import com.android.systemui.flags.ViewRefactorFlag
+import com.android.systemui.flags.RefactorFlag
 import com.android.systemui.res.R
 
 open class SideLabelTileLayout(
@@ -27,8 +27,8 @@
     attrs: AttributeSet?
 ) : TileLayout(context, attrs) {
 
-    private final val isSmallLandscapeLockscreenEnabled =
-            ViewRefactorFlag(flag = Flags.LOCKSCREEN_ENABLE_LANDSCAPE).isEnabled
+    private val isSmallLandscapeLockscreenEnabled =
+            RefactorFlag.forView(Flags.LOCKSCREEN_ENABLE_LANDSCAPE).isEnabled
 
     override fun updateResources(): Boolean {
         return super.updateResources().also {
diff --git a/packages/SystemUI/src/com/android/systemui/qs/TileLayout.java b/packages/SystemUI/src/com/android/systemui/qs/TileLayout.java
index 9ba1645..9d4eba5 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/TileLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/TileLayout.java
@@ -15,13 +15,13 @@
 
 import com.android.internal.logging.UiEventLogger;
 import com.android.systemui.FontSizeUtils;
-import com.android.systemui.flags.ViewRefactorFlag;
-import com.android.systemui.res.R;
 import com.android.systemui.flags.Flags;
+import com.android.systemui.flags.RefactorFlag;
 import com.android.systemui.qs.QSPanel.QSTileLayout;
 import com.android.systemui.qs.QSPanelControllerBase.TileRecord;
 import com.android.systemui.qs.tileimpl.HeightOverrideable;
 import com.android.systemui.qs.tileimpl.QSTileViewImplKt;
+import com.android.systemui.res.R;
 
 import java.util.ArrayList;
 
@@ -55,7 +55,7 @@
     protected int mLastTileBottom;
     protected TextView mTempTextView;
     private final Boolean mIsSmallLandscapeLockscreenEnabled =
-            new ViewRefactorFlag(Flags.LOCKSCREEN_ENABLE_LANDSCAPE).isEnabled();
+            RefactorFlag.forView(Flags.LOCKSCREEN_ENABLE_LANDSCAPE).isEnabled();
 
     public TileLayout(Context context) {
         this(context, null);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationShelf.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationShelf.java
index 09ad55e..f8c049e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationShelf.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationShelf.java
@@ -37,11 +37,11 @@
 import com.android.app.animation.Interpolators;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.policy.SystemBarUtils;
-import com.android.systemui.res.R;
 import com.android.systemui.animation.ShadeInterpolation;
 import com.android.systemui.flags.Flags;
-import com.android.systemui.flags.ViewRefactorFlag;
+import com.android.systemui.flags.RefactorFlag;
 import com.android.systemui.plugins.statusbar.StatusBarStateController.StateListener;
+import com.android.systemui.res.R;
 import com.android.systemui.shade.transition.LargeScreenShadeInterpolator;
 import com.android.systemui.statusbar.notification.NotificationUtils;
 import com.android.systemui.statusbar.notification.SourceType;
@@ -96,10 +96,10 @@
     private float mCornerAnimationDistance;
     private NotificationShelfController mController;
     private float mActualWidth = -1;
-    private final ViewRefactorFlag mSensitiveRevealAnim =
-            new ViewRefactorFlag(Flags.SENSITIVE_REVEAL_ANIM);
-    private final ViewRefactorFlag mShelfRefactor =
-            new ViewRefactorFlag(Flags.NOTIFICATION_SHELF_REFACTOR);
+    private final RefactorFlag mSensitiveRevealAnim =
+            RefactorFlag.forView(Flags.SENSITIVE_REVEAL_ANIM);
+    private final RefactorFlag mShelfRefactor =
+            RefactorFlag.forView(Flags.NOTIFICATION_SHELF_REFACTOR);
     private boolean mCanModifyColorOfNotifications;
     private boolean mCanInteract;
     private NotificationStackScrollLayout mHostLayout;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/Roundable.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/Roundable.kt
index 328a741..3e9c6fb 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/Roundable.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/Roundable.kt
@@ -3,10 +3,10 @@
 import android.util.FloatProperty
 import android.view.View
 import androidx.annotation.FloatRange
-import com.android.systemui.res.R
 import com.android.systemui.flags.FeatureFlags
 import com.android.systemui.flags.Flags
-import com.android.systemui.flags.ViewRefactorFlag
+import com.android.systemui.flags.RefactorFlag
+import com.android.systemui.res.R
 import com.android.systemui.statusbar.notification.stack.AnimationProperties
 import com.android.systemui.statusbar.notification.stack.StackStateAnimator
 import kotlin.math.abs
@@ -323,7 +323,7 @@
     internal var maxRadius = maxRadius
         private set
 
-    internal val newHeadsUpAnim = ViewRefactorFlag(featureFlags, Flags.IMPROVED_HUN_ANIMATIONS)
+    internal val newHeadsUpAnim = RefactorFlag.forView(Flags.IMPROVED_HUN_ANIMATIONS, featureFlags)
 
     /** Animatable for top roundness */
     private val topAnimatable = topAnimatable(roundable)
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/icon/ui/viewbinder/NotificationIconAreaControllerViewBinderWrapperImpl.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/icon/ui/viewbinder/NotificationIconAreaControllerViewBinderWrapperImpl.kt
index 805a4db..50efbb5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/icon/ui/viewbinder/NotificationIconAreaControllerViewBinderWrapperImpl.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/icon/ui/viewbinder/NotificationIconAreaControllerViewBinderWrapperImpl.kt
@@ -34,7 +34,7 @@
 import com.android.systemui.demomode.DemoModeController
 import com.android.systemui.flags.FeatureFlagsClassic
 import com.android.systemui.flags.Flags
-import com.android.systemui.flags.ViewRefactorFlag
+import com.android.systemui.flags.RefactorFlag
 import com.android.systemui.plugins.DarkIconDispatcher
 import com.android.systemui.res.R
 import com.android.systemui.statusbar.NotificationListener
@@ -99,7 +99,7 @@
 
     private val contrastColorUtil: ContrastColorUtil = ContrastColorUtil.getInstance(context)
     private val updateStatusBarIcons = Runnable { updateStatusBarIcons() }
-    private val shelfRefactor = ViewRefactorFlag(featureFlags, Flags.NOTIFICATION_SHELF_REFACTOR)
+    private val shelfRefactor = RefactorFlag(featureFlags, Flags.NOTIFICATION_SHELF_REFACTOR)
     private val tintAreas = ArrayList<Rect>()
 
     private var iconSize = 0
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 061132f..bc570f2 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
@@ -27,7 +27,6 @@
 import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator.AnimatorUpdateListener;
 import android.app.Notification;
-import android.app.NotificationChannel;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.content.res.Resources;
@@ -40,8 +39,6 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Trace;
-import android.service.notification.StatusBarNotification;
-import android.util.ArraySet;
 import android.util.AttributeSet;
 import android.util.FloatProperty;
 import android.util.IndentingPrintWriter;
@@ -73,15 +70,15 @@
 import com.android.internal.util.ContrastColorUtil;
 import com.android.internal.widget.CachingIconView;
 import com.android.internal.widget.CallLayout;
-import com.android.systemui.res.R;
 import com.android.systemui.flags.FeatureFlags;
 import com.android.systemui.flags.Flags;
-import com.android.systemui.flags.ViewRefactorFlag;
+import com.android.systemui.flags.RefactorFlag;
 import com.android.systemui.plugins.FalsingManager;
 import com.android.systemui.plugins.PluginListener;
 import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin;
 import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin.MenuItem;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
+import com.android.systemui.res.R;
 import com.android.systemui.statusbar.RemoteInputController;
 import com.android.systemui.statusbar.SmartReplyController;
 import com.android.systemui.statusbar.StatusBarIconView;
@@ -274,8 +271,8 @@
     private OnExpandClickListener mOnExpandClickListener;
     private View.OnClickListener mOnFeedbackClickListener;
     private Path mExpandingClipPath;
-    private final ViewRefactorFlag mInlineReplyAnimation =
-            new ViewRefactorFlag(Flags.NOTIFICATION_INLINE_REPLY_ANIMATION);
+    private final RefactorFlag mInlineReplyAnimation =
+            RefactorFlag.forView(Flags.NOTIFICATION_INLINE_REPLY_ANIMATION);
 
     // Listener will be called when receiving a long click event.
     // Use #setLongPressPosition to optionally assign positional data with the long press.
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableOutlineView.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableOutlineView.java
index 2599231..2a3e69b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableOutlineView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableOutlineView.java
@@ -28,9 +28,9 @@
 import android.view.View;
 import android.view.ViewOutlineProvider;
 
-import com.android.systemui.res.R;
 import com.android.systemui.flags.Flags;
-import com.android.systemui.flags.ViewRefactorFlag;
+import com.android.systemui.flags.RefactorFlag;
+import com.android.systemui.res.R;
 import com.android.systemui.statusbar.notification.RoundableState;
 import com.android.systemui.statusbar.notification.stack.NotificationChildrenContainer;
 import com.android.systemui.util.DumpUtilsKt;
@@ -49,8 +49,8 @@
     private float mOutlineAlpha = -1f;
     private boolean mAlwaysRoundBothCorners;
     private Path mTmpPath = new Path();
-    protected final ViewRefactorFlag mImprovedHunAnimation =
-            new ViewRefactorFlag(Flags.IMPROVED_HUN_ANIMATIONS);
+    protected final RefactorFlag mImprovedHunAnimation =
+            RefactorFlag.forView(Flags.IMPROVED_HUN_ANIMATIONS);
 
     /**
      * {@code false} if the children views of the {@link ExpandableOutlineView} are translated when
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 10b1bcd..6f3cd5d 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
@@ -88,7 +88,7 @@
 import com.android.systemui.ExpandHelper;
 import com.android.systemui.flags.FeatureFlags;
 import com.android.systemui.flags.Flags;
-import com.android.systemui.flags.ViewRefactorFlag;
+import com.android.systemui.flags.RefactorFlag;
 import com.android.systemui.plugins.ActivityStarter;
 import com.android.systemui.plugins.statusbar.NotificationSwipeActionHelper;
 import com.android.systemui.res.R;
@@ -200,8 +200,8 @@
     private Set<Integer> mDebugTextUsedYPositions;
     private final boolean mDebugRemoveAnimation;
     private final boolean mSensitiveRevealAnimEndabled;
-    private final ViewRefactorFlag mAnimatedInsets;
-    private final ViewRefactorFlag mShelfRefactor;
+    private final RefactorFlag mAnimatedInsets;
+    private final RefactorFlag mShelfRefactor;
 
     private final boolean mNewAodTransition;
 
@@ -636,8 +636,8 @@
         mDebugRemoveAnimation = featureFlags.isEnabled(Flags.NSSL_DEBUG_REMOVE_ANIMATION);
         mSensitiveRevealAnimEndabled = featureFlags.isEnabled(Flags.SENSITIVE_REVEAL_ANIM);
         mAnimatedInsets =
-                new ViewRefactorFlag(featureFlags, Flags.ANIMATED_NOTIFICATION_SHADE_INSETS);
-        mShelfRefactor = new ViewRefactorFlag(featureFlags, Flags.NOTIFICATION_SHELF_REFACTOR);
+                new RefactorFlag(featureFlags, Flags.ANIMATED_NOTIFICATION_SHADE_INSETS);
+        mShelfRefactor = new RefactorFlag(featureFlags, Flags.NOTIFICATION_SHELF_REFACTOR);
         mSectionsManager = Dependency.get(NotificationSectionsManager.class);
         mScreenOffAnimationController =
                 Dependency.get(ScreenOffAnimationController.class);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutController.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutController.java
index 9695cb1..5020780 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutController.java
@@ -64,7 +64,7 @@
 import com.android.systemui.dump.DumpManager;
 import com.android.systemui.flags.FeatureFlags;
 import com.android.systemui.flags.Flags;
-import com.android.systemui.flags.ViewRefactorFlag;
+import com.android.systemui.flags.RefactorFlag;
 import com.android.systemui.keyguard.data.repository.KeyguardTransitionRepository;
 import com.android.systemui.keyguard.shared.model.KeyguardState;
 import com.android.systemui.keyguard.shared.model.TransitionStep;
@@ -207,7 +207,7 @@
     private boolean mIsInTransitionToAod = false;
 
     private final FeatureFlags mFeatureFlags;
-    private final ViewRefactorFlag mShelfRefactor;
+    private final RefactorFlag mShelfRefactor;
     private final NotificationTargetsHelper mNotificationTargetsHelper;
     private final SecureSettings mSecureSettings;
     private final NotificationDismissibilityProvider mDismissibilityProvider;
@@ -719,7 +719,7 @@
         mShadeController = shadeController;
         mNotifIconAreaController = notifIconAreaController;
         mFeatureFlags = featureFlags;
-        mShelfRefactor = new ViewRefactorFlag(featureFlags, Flags.NOTIFICATION_SHELF_REFACTOR);
+        mShelfRefactor = new RefactorFlag(featureFlags, Flags.NOTIFICATION_SHELF_REFACTOR);
         mNotificationTargetsHelper = notificationTargetsHelper;
         mSecureSettings = secureSettings;
         mDismissibilityProvider = dismissibilityProvider;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LegacyNotificationIconAreaControllerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LegacyNotificationIconAreaControllerImpl.java
index 1b9e5b3..5553270 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LegacyNotificationIconAreaControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LegacyNotificationIconAreaControllerImpl.java
@@ -36,16 +36,16 @@
 import com.android.internal.statusbar.StatusBarIcon;
 import com.android.internal.util.ContrastColorUtil;
 import com.android.settingslib.Utils;
-import com.android.systemui.res.R;
 import com.android.systemui.dagger.SysUISingleton;
 import com.android.systemui.demomode.DemoMode;
 import com.android.systemui.demomode.DemoModeController;
 import com.android.systemui.flags.FeatureFlags;
 import com.android.systemui.flags.Flags;
-import com.android.systemui.flags.ViewRefactorFlag;
+import com.android.systemui.flags.RefactorFlag;
 import com.android.systemui.plugins.DarkIconDispatcher;
 import com.android.systemui.plugins.DarkIconDispatcher.DarkReceiver;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
+import com.android.systemui.res.R;
 import com.android.systemui.statusbar.CrossFadeHelper;
 import com.android.systemui.statusbar.NotificationListener;
 import com.android.systemui.statusbar.NotificationMediaManager;
@@ -109,7 +109,7 @@
     private final ArrayList<Rect> mTintAreas = new ArrayList<>();
     private final Context mContext;
 
-    private final ViewRefactorFlag mShelfRefactor;
+    private final RefactorFlag mShelfRefactor;
 
     private final boolean mNewAodTransition;
 
@@ -150,7 +150,7 @@
         mContrastColorUtil = ContrastColorUtil.getInstance(context);
         mContext = context;
         mStatusBarStateController = statusBarStateController;
-        mShelfRefactor = new ViewRefactorFlag(featureFlags, Flags.NOTIFICATION_SHELF_REFACTOR);
+        mShelfRefactor = new RefactorFlag(featureFlags, Flags.NOTIFICATION_SHELF_REFACTOR);
         mNewAodTransition = featureFlags.isEnabled(NEW_AOD_TRANSITION);
         mStatusBarStateController.addCallback(this);
         mMediaManager = notificationMediaManager;