Merge "Table logging for state of NotificationShadeWindow" into tm-qpr-dev am: 04f7a3b26e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20836629 Change-Id: Ib9438c70f3327334e8609f767eac743574d4df49 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
2023-01-18 13:44:36 +00:00
parent cae8e356c6 04f7a3b26e
commit 067c6349e2
2 changed files with 355 additions and 176 deletions
--- a/packages/SystemUI/src/com/android/systemui/shade/NotificationShadeWindowControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/NotificationShadeWindowControllerImpl.java
@@ -53,13 +53,13 @@ import com.android.systemui.biometrics.AuthController;
 import com.android.systemui.colorextraction.SysuiColorExtractor;
 import com.android.systemui.dagger.SysUISingleton;
 import com.android.systemui.dump.DumpManager;
+import com.android.systemui.dump.DumpsysTableLogger;
 import com.android.systemui.keyguard.KeyguardViewMediator;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
 import com.android.systemui.plugins.statusbar.StatusBarStateController.StateListener;
 import com.android.systemui.statusbar.NotificationShadeWindowController;
 import com.android.systemui.statusbar.StatusBarState;
 import com.android.systemui.statusbar.SysuiStatusBarStateController;
-import com.android.systemui.statusbar.phone.CentralSurfaces;
 import com.android.systemui.statusbar.phone.DozeParameters;
 import com.android.systemui.statusbar.phone.KeyguardBypassController;
 import com.android.systemui.statusbar.phone.ScreenOffAnimationController;
@@ -73,10 +73,8 @@ import java.io.PrintWriter;
 import java.lang.ref.Reference;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Objects;
-import java.util.Set;
 import java.util.function.Consumer;
 import java.util.stream.Collectors;

@@ -90,6 +88,7 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
        Dumpable, ConfigurationListener {

    private static final String TAG = "NotificationShadeWindowController";
+    private static final int MAX_STATE_CHANGES_BUFFER_SIZE = 100;

    private final Context mContext;
    private final WindowManager mWindowManager;
@@ -109,7 +108,7 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
    private boolean mHasTopUi;
    private boolean mHasTopUiChanged;
    private float mScreenBrightnessDoze;
-    private final State mCurrentState = new State();
+    private final NotificationShadeWindowState mCurrentState = new NotificationShadeWindowState();
    private OtherwisedCollapsedListener mListener;
    private ForcePluginOpenListener mForcePluginOpenListener;
    private Consumer<Integer> mScrimsVisibilityListener;
@@ -126,6 +125,9 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
    private int mDeferWindowLayoutParams;
    private boolean mLastKeyguardRotationAllowed;

+    private final NotificationShadeWindowState.Buffer mStateBuffer =
+            new NotificationShadeWindowState.Buffer(MAX_STATE_CHANGES_BUFFER_SIZE);
+
    @Inject
    public NotificationShadeWindowControllerImpl(Context context, WindowManager windowManager,
            IActivityManager activityManager, DozeParameters dozeParameters,
@@ -211,8 +213,8 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW

    @VisibleForTesting
    void onShadeExpansionFullyChanged(Boolean isExpanded) {
-        if (mCurrentState.mPanelExpanded != isExpanded) {
-            mCurrentState.mPanelExpanded = isExpanded;
+        if (mCurrentState.panelExpanded != isExpanded) {
+            mCurrentState.panelExpanded = isExpanded;
            apply(mCurrentState);
        }
    }
@@ -298,10 +300,10 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
        mNotificationShadeView.setSystemUiVisibility(vis);
    }

-    private void applyKeyguardFlags(State state) {
-        final boolean keyguardOrAod = state.mKeyguardShowing
-                || (state.mDozing && mDozeParameters.getAlwaysOn());
-        if ((keyguardOrAod && !state.mBackdropShowing && !state.mLightRevealScrimOpaque)
+    private void applyKeyguardFlags(NotificationShadeWindowState state) {
+        final boolean keyguardOrAod = state.keyguardShowing
+                || (state.dozing && mDozeParameters.getAlwaysOn());
+        if ((keyguardOrAod && !state.mediaBackdropShowing && !state.lightRevealScrimOpaque)
                || mKeyguardViewMediator.isAnimatingBetweenKeyguardAndSurfaceBehind()) {
            // Show the wallpaper if we're on keyguard/AOD and the wallpaper is not occluded by a
            // solid backdrop. Also, show it if we are currently animating between the
@@ -312,15 +314,15 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
            mLpChanged.flags &= ~LayoutParams.FLAG_SHOW_WALLPAPER;
        }

-        if (state.mDozing) {
+        if (state.dozing) {
            mLpChanged.privateFlags |= LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
        } else {
            mLpChanged.privateFlags &= ~LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
        }

        if (mKeyguardPreferredRefreshRate > 0) {
-            boolean onKeyguard = state.mStatusBarState == StatusBarState.KEYGUARD
-                    && !state.mKeyguardFadingAway && !state.mKeyguardGoingAway;
+            boolean onKeyguard = state.statusBarState == StatusBarState.KEYGUARD
+                    && !state.keyguardFadingAway && !state.keyguardGoingAway;
            if (onKeyguard
                    && mAuthController.isUdfpsEnrolled(KeyguardUpdateMonitor.getCurrentUser())) {
                // both max and min display refresh rate must be set to take effect:
@@ -334,9 +336,9 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
                    (long) mKeyguardPreferredRefreshRate);
        } else if (mKeyguardMaxRefreshRate > 0) {
            boolean bypassOnKeyguard = mKeyguardBypassController.getBypassEnabled()
-                    && state.mStatusBarState == StatusBarState.KEYGUARD
-                    && !state.mKeyguardFadingAway && !state.mKeyguardGoingAway;
-            if (state.mDozing || bypassOnKeyguard) {
+                    && state.statusBarState == StatusBarState.KEYGUARD
+                    && !state.keyguardFadingAway && !state.keyguardGoingAway;
+            if (state.dozing || bypassOnKeyguard) {
                mLpChanged.preferredMaxDisplayRefreshRate = mKeyguardMaxRefreshRate;
            } else {
                mLpChanged.preferredMaxDisplayRefreshRate = 0;
@@ -345,7 +347,7 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
                    (long) mLpChanged.preferredMaxDisplayRefreshRate);
        }

-        if (state.mBouncerShowing && !isDebuggable()) {
+        if (state.bouncerShowing && !isDebuggable()) {
            mLpChanged.flags |= LayoutParams.FLAG_SECURE;
        } else {
            mLpChanged.flags &= ~LayoutParams.FLAG_SECURE;
@@ -356,8 +358,8 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
        return Build.IS_DEBUGGABLE;
    }

-    private void adjustScreenOrientation(State state) {
-        if (state.mBouncerShowing || state.isKeyguardShowingAndNotOccluded() || state.mDozing) {
+    private void adjustScreenOrientation(NotificationShadeWindowState state) {
+        if (state.bouncerShowing || state.isKeyguardShowingAndNotOccluded() || state.dozing) {
            if (mKeyguardStateController.isKeyguardScreenRotationAllowed()) {
                mLpChanged.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_USER;
            } else {
@@ -368,10 +370,10 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
        }
    }

-    private void applyFocusableFlag(State state) {
-        boolean panelFocusable = state.mNotificationShadeFocusable && state.mPanelExpanded;
-        if (state.mBouncerShowing && (state.mKeyguardOccluded || state.mKeyguardNeedsInput)
-                || ENABLE_REMOTE_INPUT && state.mRemoteInputActive
+    private void applyFocusableFlag(NotificationShadeWindowState state) {
+        boolean panelFocusable = state.notificationShadeFocusable && state.panelExpanded;
+        if (state.bouncerShowing && (state.keyguardOccluded || state.keyguardNeedsInput)
+                || ENABLE_REMOTE_INPUT && state.remoteInputActive
                // Make the panel focusable if we're doing the screen off animation, since the light
                // reveal scrim is drawing in the panel and should consume touch events so that they
                // don't go to the app behind.
@@ -381,7 +383,7 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
        } else if (state.isKeyguardShowingAndNotOccluded() || panelFocusable) {
            mLpChanged.flags &= ~LayoutParams.FLAG_NOT_FOCUSABLE;
            // Make sure to remove FLAG_ALT_FOCUSABLE_IM when keyguard needs input.
-            if (state.mKeyguardNeedsInput && state.isKeyguardShowingAndNotOccluded()) {
+            if (state.keyguardNeedsInput && state.isKeyguardShowingAndNotOccluded()) {
                mLpChanged.flags &= ~LayoutParams.FLAG_ALT_FOCUSABLE_IM;
            } else {
                mLpChanged.flags |= LayoutParams.FLAG_ALT_FOCUSABLE_IM;
@@ -392,19 +394,19 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
        }
    }

-    private void applyForceShowNavigationFlag(State state) {
-        if (state.mPanelExpanded || state.mBouncerShowing
-                || ENABLE_REMOTE_INPUT && state.mRemoteInputActive) {
+    private void applyForceShowNavigationFlag(NotificationShadeWindowState state) {
+        if (state.panelExpanded || state.bouncerShowing
+                || ENABLE_REMOTE_INPUT && state.remoteInputActive) {
            mLpChanged.privateFlags |= LayoutParams.PRIVATE_FLAG_STATUS_FORCE_SHOW_NAVIGATION;
        } else {
            mLpChanged.privateFlags &= ~LayoutParams.PRIVATE_FLAG_STATUS_FORCE_SHOW_NAVIGATION;
        }
    }

-    private void applyVisibility(State state) {
+    private void applyVisibility(NotificationShadeWindowState state) {
        boolean visible = isExpanded(state);
        mLogger.logApplyVisibility(visible);
-        if (state.mForcePluginOpen) {
+        if (state.forcePluginOpen) {
            if (mListener != null) {
                mListener.setWouldOtherwiseCollapse(visible);
            }
@@ -420,16 +422,16 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
        }
    }

-    private boolean isExpanded(State state) {
-        return !state.mForceCollapsed && (state.isKeyguardShowingAndNotOccluded()
-                || state.mPanelVisible || state.mKeyguardFadingAway || state.mBouncerShowing
-                || state.mHeadsUpShowing
-                || state.mScrimsVisibility != ScrimController.TRANSPARENT)
-                || state.mBackgroundBlurRadius > 0
-                || state.mLaunchingActivity;
+    private boolean isExpanded(NotificationShadeWindowState state) {
+        return !state.forceWindowCollapsed && (state.isKeyguardShowingAndNotOccluded()
+                || state.panelVisible || state.keyguardFadingAway || state.bouncerShowing
+                || state.headsUpNotificationShowing
+                || state.scrimsVisibility != ScrimController.TRANSPARENT)
+                || state.backgroundBlurRadius > 0
+                || state.launchingActivityFromNotification;
    }

-    private void applyFitsSystemWindows(State state) {
+    private void applyFitsSystemWindows(NotificationShadeWindowState state) {
        boolean fitsSystemWindows = !state.isKeyguardShowingAndNotOccluded();
        if (mNotificationShadeView != null
                && mNotificationShadeView.getFitsSystemWindows() != fitsSystemWindows) {
@@ -438,21 +440,21 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
        }
    }

-    private void applyUserActivityTimeout(State state) {
+    private void applyUserActivityTimeout(NotificationShadeWindowState state) {
        if (state.isKeyguardShowingAndNotOccluded()
-                && state.mStatusBarState == StatusBarState.KEYGUARD
-                && !state.mQsExpanded) {
-            mLpChanged.userActivityTimeout = state.mBouncerShowing
+                && state.statusBarState == StatusBarState.KEYGUARD
+                && !state.qsExpanded) {
+            mLpChanged.userActivityTimeout = state.bouncerShowing
                    ? KeyguardViewMediator.AWAKE_INTERVAL_BOUNCER_MS : mLockScreenDisplayTimeout;
        } else {
            mLpChanged.userActivityTimeout = -1;
        }
    }

-    private void applyInputFeatures(State state) {
+    private void applyInputFeatures(NotificationShadeWindowState state) {
        if (state.isKeyguardShowingAndNotOccluded()
-                && state.mStatusBarState == StatusBarState.KEYGUARD
-                && !state.mQsExpanded && !state.mForceUserActivity) {
+                && state.statusBarState == StatusBarState.KEYGUARD
+                && !state.qsExpanded && !state.forceUserActivity) {
            mLpChanged.inputFeatures |=
                    LayoutParams.INPUT_FEATURE_DISABLE_USER_ACTIVITY;
        } else {
@@ -461,7 +463,7 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
        }
    }

-    private void applyStatusBarColorSpaceAgnosticFlag(State state) {
+    private void applyStatusBarColorSpaceAgnosticFlag(NotificationShadeWindowState state) {
        if (!isExpanded(state)) {
            mLpChanged.privateFlags |= LayoutParams.PRIVATE_FLAG_COLOR_SPACE_AGNOSTIC;
        } else {
@@ -487,8 +489,8 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
        applyWindowLayoutParams();
    }

-    private void apply(State state) {
-        mLogger.logNewState(state);
+    private void apply(NotificationShadeWindowState state) {
+        logState(state);
        applyKeyguardFlags(state);
        applyFocusableFlag(state);
        applyForceShowNavigationFlag(state);
@@ -517,6 +519,38 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
        notifyStateChangedCallbacks();
    }

+    private void logState(NotificationShadeWindowState state) {
+        mStateBuffer.insert(
+                state.keyguardShowing,
+                state.keyguardOccluded,
+                state.keyguardNeedsInput,
+                state.panelVisible,
+                state.panelExpanded,
+                state.notificationShadeFocusable,
+                state.bouncerShowing,
+                state.keyguardFadingAway,
+                state.keyguardGoingAway,
+                state.qsExpanded,
+                state.headsUpNotificationShowing,
+                state.lightRevealScrimOpaque,
+                state.forceWindowCollapsed,
+                state.forceDozeBrightness,
+                state.forceUserActivity,
+                state.launchingActivityFromNotification,
+                state.mediaBackdropShowing,
+                state.wallpaperSupportsAmbientMode,
+                state.windowNotTouchable,
+                state.componentsForcingTopUi,
+                state.forceOpenTokens,
+                state.statusBarState,
+                state.remoteInputActive,
+                state.forcePluginOpen,
+                state.dozing,
+                state.scrimsVisibility,
+                state.backgroundBlurRadius
+        );
+    }
+
    @Override
    public void notifyStateChangedCallbacks() {
        // Copy callbacks to separate ArrayList to avoid concurrent modification
@@ -525,36 +559,36 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
                .filter(Objects::nonNull)
                .collect(Collectors.toList());
        for (StatusBarWindowCallback cb : activeCallbacks) {
-            cb.onStateChanged(mCurrentState.mKeyguardShowing,
-                    mCurrentState.mKeyguardOccluded,
-                    mCurrentState.mBouncerShowing,
-                    mCurrentState.mDozing,
-                    mCurrentState.mPanelExpanded);
+            cb.onStateChanged(mCurrentState.keyguardShowing,
+                    mCurrentState.keyguardOccluded,
+                    mCurrentState.bouncerShowing,
+                    mCurrentState.dozing,
+                    mCurrentState.panelExpanded);
        }
    }

-    private void applyModalFlag(State state) {
-        if (state.mHeadsUpShowing) {
+    private void applyModalFlag(NotificationShadeWindowState state) {
+        if (state.headsUpNotificationShowing) {
            mLpChanged.flags |= LayoutParams.FLAG_NOT_TOUCH_MODAL;
        } else {
            mLpChanged.flags &= ~LayoutParams.FLAG_NOT_TOUCH_MODAL;
        }
    }

-    private void applyBrightness(State state) {
-        if (state.mForceDozeBrightness) {
+    private void applyBrightness(NotificationShadeWindowState state) {
+        if (state.forceDozeBrightness) {
            mLpChanged.screenBrightness = mScreenBrightnessDoze;
        } else {
            mLpChanged.screenBrightness = LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
        }
    }

-    private void applyHasTopUi(State state) {
-        mHasTopUiChanged = !state.mComponentsForcingTopUi.isEmpty() || isExpanded(state);
+    private void applyHasTopUi(NotificationShadeWindowState state) {
+        mHasTopUiChanged = !state.componentsForcingTopUi.isEmpty() || isExpanded(state);
    }

-    private void applyNotTouchable(State state) {
-        if (state.mNotTouchable) {
+    private void applyNotTouchable(NotificationShadeWindowState state) {
+        if (state.windowNotTouchable) {
            mLpChanged.flags |= LayoutParams.FLAG_NOT_TOUCHABLE;
        } else {
            mLpChanged.flags &= ~LayoutParams.FLAG_NOT_TOUCHABLE;
@@ -576,88 +610,88 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW

    @Override
    public void setKeyguardShowing(boolean showing) {
-        mCurrentState.mKeyguardShowing = showing;
+        mCurrentState.keyguardShowing = showing;
        apply(mCurrentState);
    }

    @Override
    public void setKeyguardOccluded(boolean occluded) {
-        mCurrentState.mKeyguardOccluded = occluded;
+        mCurrentState.keyguardOccluded = occluded;
        apply(mCurrentState);
    }

    @Override
    public void setKeyguardNeedsInput(boolean needsInput) {
-        mCurrentState.mKeyguardNeedsInput = needsInput;
+        mCurrentState.keyguardNeedsInput = needsInput;
        apply(mCurrentState);
    }

    @Override
    public void setPanelVisible(boolean visible) {
-        if (mCurrentState.mPanelVisible == visible
-                && mCurrentState.mNotificationShadeFocusable == visible) {
+        if (mCurrentState.panelVisible == visible
+                && mCurrentState.notificationShadeFocusable == visible) {
            return;
        }
        mLogger.logShadeVisibleAndFocusable(visible);
-        mCurrentState.mPanelVisible = visible;
-        mCurrentState.mNotificationShadeFocusable = visible;
+        mCurrentState.panelVisible = visible;
+        mCurrentState.notificationShadeFocusable = visible;
        apply(mCurrentState);
    }

    @Override
    public void setNotificationShadeFocusable(boolean focusable) {
        mLogger.logShadeFocusable(focusable);
-        mCurrentState.mNotificationShadeFocusable = focusable;
+        mCurrentState.notificationShadeFocusable = focusable;
        apply(mCurrentState);
    }

    @Override
    public void setBouncerShowing(boolean showing) {
-        mCurrentState.mBouncerShowing = showing;
+        mCurrentState.bouncerShowing = showing;
        apply(mCurrentState);
    }

    @Override
    public void setBackdropShowing(boolean showing) {
-        mCurrentState.mBackdropShowing = showing;
+        mCurrentState.mediaBackdropShowing = showing;
        apply(mCurrentState);
    }

    @Override
    public void setKeyguardFadingAway(boolean keyguardFadingAway) {
-        mCurrentState.mKeyguardFadingAway = keyguardFadingAway;
+        mCurrentState.keyguardFadingAway = keyguardFadingAway;
        apply(mCurrentState);
    }

    private void onQsExpansionChanged(Boolean expanded) {
-        mCurrentState.mQsExpanded = expanded;
+        mCurrentState.qsExpanded = expanded;
        apply(mCurrentState);
    }

    @Override
    public void setForceUserActivity(boolean forceUserActivity) {
-        mCurrentState.mForceUserActivity = forceUserActivity;
+        mCurrentState.forceUserActivity = forceUserActivity;
        apply(mCurrentState);
    }

    @Override
    public void setLaunchingActivity(boolean launching) {
-        mCurrentState.mLaunchingActivity = launching;
+        mCurrentState.launchingActivityFromNotification = launching;
        apply(mCurrentState);
    }

    @Override
    public boolean isLaunchingActivity() {
-        return mCurrentState.mLaunchingActivity;
+        return mCurrentState.launchingActivityFromNotification;
    }

    @Override
    public void setScrimsVisibility(int scrimsVisibility) {
-        if (scrimsVisibility == mCurrentState.mScrimsVisibility) {
+        if (scrimsVisibility == mCurrentState.scrimsVisibility) {
            return;
        }
        boolean wasExpanded = isExpanded(mCurrentState);
-        mCurrentState.mScrimsVisibility = scrimsVisibility;
+        mCurrentState.scrimsVisibility = scrimsVisibility;
        if (wasExpanded != isExpanded(mCurrentState)) {
            apply(mCurrentState);
        }
@@ -671,31 +705,31 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
     */
    @Override
    public void setBackgroundBlurRadius(int backgroundBlurRadius) {
-        if (mCurrentState.mBackgroundBlurRadius == backgroundBlurRadius) {
+        if (mCurrentState.backgroundBlurRadius == backgroundBlurRadius) {
            return;
        }
-        mCurrentState.mBackgroundBlurRadius = backgroundBlurRadius;
+        mCurrentState.backgroundBlurRadius = backgroundBlurRadius;
        apply(mCurrentState);
    }

    @Override
    public void setHeadsUpShowing(boolean showing) {
-        mCurrentState.mHeadsUpShowing = showing;
+        mCurrentState.headsUpNotificationShowing = showing;
        apply(mCurrentState);
    }

    @Override
    public void setLightRevealScrimOpaque(boolean opaque) {
-        if (mCurrentState.mLightRevealScrimOpaque == opaque) {
+        if (mCurrentState.lightRevealScrimOpaque == opaque) {
            return;
        }
-        mCurrentState.mLightRevealScrimOpaque = opaque;
+        mCurrentState.lightRevealScrimOpaque = opaque;
        apply(mCurrentState);
    }

    @Override
    public void setWallpaperSupportsAmbientMode(boolean supportsAmbientMode) {
-        mCurrentState.mWallpaperSupportsAmbientMode = supportsAmbientMode;
+        mCurrentState.wallpaperSupportsAmbientMode = supportsAmbientMode;
        apply(mCurrentState);
    }

@@ -703,7 +737,7 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
     * @param state The {@link StatusBarStateController} of the status bar.
     */
    private void setStatusBarState(int state) {
-        mCurrentState.mStatusBarState = state;
+        mCurrentState.statusBarState = state;
        apply(mCurrentState);
    }

@@ -714,13 +748,13 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
     */
    @Override
    public void setForceWindowCollapsed(boolean force) {
-        mCurrentState.mForceCollapsed = force;
+        mCurrentState.forceWindowCollapsed = force;
        apply(mCurrentState);
    }

    @Override
    public void onRemoteInputActive(boolean remoteInputActive) {
-        mCurrentState.mRemoteInputActive = remoteInputActive;
+        mCurrentState.remoteInputActive = remoteInputActive;
        apply(mCurrentState);
    }

@@ -730,32 +764,32 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
     */
    @Override
    public void setForceDozeBrightness(boolean forceDozeBrightness) {
-        if (mCurrentState.mForceDozeBrightness == forceDozeBrightness) {
+        if (mCurrentState.forceDozeBrightness == forceDozeBrightness) {
            return;
        }
-        mCurrentState.mForceDozeBrightness = forceDozeBrightness;
+        mCurrentState.forceDozeBrightness = forceDozeBrightness;
        apply(mCurrentState);
    }

    @Override
    public void setDozing(boolean dozing) {
-        mCurrentState.mDozing = dozing;
+        mCurrentState.dozing = dozing;
        apply(mCurrentState);
    }

    @Override
    public void setForcePluginOpen(boolean forceOpen, Object token) {
        if (forceOpen) {
-            mCurrentState.mForceOpenTokens.add(token);
+            mCurrentState.forceOpenTokens.add(token);
        } else {
-            mCurrentState.mForceOpenTokens.remove(token);
+            mCurrentState.forceOpenTokens.remove(token);
        }
-        final boolean previousForceOpenState = mCurrentState.mForcePluginOpen;
-        mCurrentState.mForcePluginOpen = !mCurrentState.mForceOpenTokens.isEmpty();
-        if (previousForceOpenState != mCurrentState.mForcePluginOpen) {
+        final boolean previousForceOpenState = mCurrentState.forcePluginOpen;
+        mCurrentState.forcePluginOpen = !mCurrentState.forceOpenTokens.isEmpty();
+        if (previousForceOpenState != mCurrentState.forcePluginOpen) {
            apply(mCurrentState);
            if (mForcePluginOpenListener != null) {
-                mForcePluginOpenListener.onChange(mCurrentState.mForcePluginOpen);
+                mForcePluginOpenListener.onChange(mCurrentState.forcePluginOpen);
            }
        }
    }
@@ -765,12 +799,12 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
     */
    @Override
    public boolean getForcePluginOpen() {
-        return mCurrentState.mForcePluginOpen;
+        return mCurrentState.forcePluginOpen;
    }

    @Override
    public void setNotTouchable(boolean notTouchable) {
-        mCurrentState.mNotTouchable = notTouchable;
+        mCurrentState.windowNotTouchable = notTouchable;
        apply(mCurrentState);
    }

@@ -779,7 +813,7 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
     */
    @Override
    public boolean getPanelExpanded() {
-        return mCurrentState.mPanelExpanded;
+        return mCurrentState.panelExpanded;
    }

    @Override
@@ -802,11 +836,16 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
        if (mNotificationShadeView != null && mNotificationShadeView.getViewRootImpl() != null) {
            mNotificationShadeView.getViewRootImpl().dump("  ", pw);
        }
+        new DumpsysTableLogger(
+                TAG,
+                NotificationShadeWindowState.TABLE_HEADERS,
+                mStateBuffer.toList()
+        ).printTableData(pw);
    }

    @Override
    public boolean isShowingWallpaper() {
-        return !mCurrentState.mBackdropShowing;
+        return !mCurrentState.mediaBackdropShowing;
    }

    @Override
@@ -836,7 +875,7 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
     */
    @Override
    public void setKeyguardGoingAway(boolean goingAway) {
-        mCurrentState.mKeyguardGoingAway = goingAway;
+        mCurrentState.keyguardGoingAway = goingAway;
        apply(mCurrentState);
    }

@@ -848,87 +887,13 @@ public class NotificationShadeWindowControllerImpl implements NotificationShadeW
    @Override
    public void setRequestTopUi(boolean requestTopUi, String componentTag) {
        if (requestTopUi) {
-            mCurrentState.mComponentsForcingTopUi.add(componentTag);
+            mCurrentState.componentsForcingTopUi.add(componentTag);
        } else {
-            mCurrentState.mComponentsForcingTopUi.remove(componentTag);
+            mCurrentState.componentsForcingTopUi.remove(componentTag);
        }
        apply(mCurrentState);
    }

-    private static class State {
-        boolean mKeyguardShowing;
-        boolean mKeyguardOccluded;
-        boolean mKeyguardNeedsInput;
-        boolean mPanelVisible;
-        boolean mPanelExpanded;
-        boolean mNotificationShadeFocusable;
-        boolean mBouncerShowing;
-        boolean mKeyguardFadingAway;
-        boolean mKeyguardGoingAway;
-        boolean mQsExpanded;
-        boolean mHeadsUpShowing;
-        boolean mLightRevealScrimOpaque;
-        boolean mForceCollapsed;
-        boolean mForceDozeBrightness;
-        boolean mForceUserActivity;
-        boolean mLaunchingActivity;
-        boolean mBackdropShowing;
-        boolean mWallpaperSupportsAmbientMode;
-        boolean mNotTouchable;
-        Set<String> mComponentsForcingTopUi = new HashSet<>();
-        Set<Object> mForceOpenTokens = new HashSet<>();
-
-        /**
-         * The status bar state from {@link CentralSurfaces}.
-         */
-        int mStatusBarState;
-
-        boolean mRemoteInputActive;
-        boolean mForcePluginOpen;
-        boolean mDozing;
-        int mScrimsVisibility;
-        int mBackgroundBlurRadius;
-
-        private boolean isKeyguardShowingAndNotOccluded() {
-            return mKeyguardShowing && !mKeyguardOccluded;
-        }
-
-        @Override
-        public String toString() {
-            return new StringBuilder()
-                    .append("State{")
-                    .append("  mKeyguardShowing=").append(mKeyguardShowing)
-                    .append(", mKeyguardOccluded=").append(mKeyguardOccluded)
-                    .append(", mKeyguardNeedsInput=").append(mKeyguardNeedsInput)
-                    .append(", mPanelVisible=").append(mPanelVisible)
-                    .append(", mPanelExpanded=").append(mPanelExpanded)
-                    .append(", mNotificationShadeFocusable=").append(mNotificationShadeFocusable)
-                    .append(", mBouncerShowing=").append(mBouncerShowing)
-                    .append(", mKeyguardFadingAway=").append(mKeyguardFadingAway)
-                    .append(", mKeyguardGoingAway=").append(mKeyguardGoingAway)
-                    .append(", mQsExpanded=").append(mQsExpanded)
-                    .append(", mHeadsUpShowing=").append(mHeadsUpShowing)
-                    .append(", mLightRevealScrimOpaque=").append(mLightRevealScrimOpaque)
-                    .append(", mForceCollapsed=").append(mForceCollapsed)
-                    .append(", mForceDozeBrightness=").append(mForceDozeBrightness)
-                    .append(", mForceUserActivity=").append(mForceUserActivity)
-                    .append(", mLaunchingActivity=").append(mLaunchingActivity)
-                    .append(", mBackdropShowing=").append(mBackdropShowing)
-                    .append(", mWallpaperSupportsAmbientMode=")
-                    .append(mWallpaperSupportsAmbientMode)
-                    .append(", mNotTouchable=").append(mNotTouchable)
-                    .append(", mComponentsForcingTopUi=").append(mComponentsForcingTopUi)
-                    .append(", mForceOpenTokens=").append(mForceOpenTokens)
-                    .append(", mStatusBarState=").append(mStatusBarState)
-                    .append(", mRemoteInputActive=").append(mRemoteInputActive)
-                    .append(", mForcePluginOpen=").append(mForcePluginOpen)
-                    .append(", mDozing=").append(mDozing)
-                    .append(", mScrimsVisibility=").append(mScrimsVisibility)
-                    .append(", mBackgroundBlurRadius=").append(mBackgroundBlurRadius)
-                    .append('}').toString();
-        }
-    }
-
    private final StateListener mStateListener = new StateListener() {
        @Override
        public void onStateChanged(int newState) {
--- a/packages/SystemUI/src/com/android/systemui/shade/NotificationShadeWindowState.kt
+++ b/packages/SystemUI/src/com/android/systemui/shade/NotificationShadeWindowState.kt
@@ -0,0 +1,214 @@
+/*
+ * Copyright (C) 2022 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.systemui.shade
+
+import com.android.systemui.dump.DumpsysTableLogger
+import com.android.systemui.dump.Row
+import com.android.systemui.plugins.util.RingBuffer
+import com.android.systemui.shade.NotificationShadeWindowState.Buffer
+import com.android.systemui.statusbar.StatusBarState
+
+/**
+ * Represents state of shade window, used by [NotificationShadeWindowControllerImpl].
+ * Contains nested class [Buffer] for pretty table logging in bug reports.
+ */
+class NotificationShadeWindowState(
+    @JvmField var keyguardShowing: Boolean = false,
+    @JvmField var keyguardOccluded: Boolean = false,
+    @JvmField var keyguardNeedsInput: Boolean = false,
+    @JvmField var panelVisible: Boolean = false,
+    /** shade panel is expanded (expansion fraction > 0) */
+    @JvmField var panelExpanded: Boolean = false,
+    @JvmField var notificationShadeFocusable: Boolean = false,
+    @JvmField var bouncerShowing: Boolean = false,
+    @JvmField var keyguardFadingAway: Boolean = false,
+    @JvmField var keyguardGoingAway: Boolean = false,
+    @JvmField var qsExpanded: Boolean = false,
+    @JvmField var headsUpNotificationShowing: Boolean = false,
+    @JvmField var lightRevealScrimOpaque: Boolean = false,
+    @JvmField var forceWindowCollapsed: Boolean = false,
+    @JvmField var forceDozeBrightness: Boolean = false,
+    // TODO: forceUserActivity seems to be unused, delete?
+    @JvmField var forceUserActivity: Boolean = false,
+    @JvmField var launchingActivityFromNotification: Boolean = false,
+    @JvmField var mediaBackdropShowing: Boolean = false,
+    @JvmField var wallpaperSupportsAmbientMode: Boolean = false,
+    @JvmField var windowNotTouchable: Boolean = false,
+    @JvmField var componentsForcingTopUi: MutableSet<String> = mutableSetOf(),
+    @JvmField var forceOpenTokens: MutableSet<Any> = mutableSetOf(),
+    /** one of [StatusBarState] */
+    @JvmField var statusBarState: Int = 0,
+    @JvmField var remoteInputActive: Boolean = false,
+    @JvmField var forcePluginOpen: Boolean = false,
+    @JvmField var dozing: Boolean = false,
+    @JvmField var scrimsVisibility: Int = 0,
+    @JvmField var backgroundBlurRadius: Int = 0,
+) {
+
+    fun isKeyguardShowingAndNotOccluded(): Boolean {
+        return keyguardShowing && !keyguardOccluded
+    }
+
+    /** List of [String] to be used as a [Row] with [DumpsysTableLogger]. */
+    val asStringList: List<String> by lazy {
+        listOf(
+            keyguardShowing.toString(),
+            keyguardOccluded.toString(),
+            keyguardNeedsInput.toString(),
+            panelVisible.toString(),
+            panelExpanded.toString(),
+            notificationShadeFocusable.toString(),
+            bouncerShowing.toString(),
+            keyguardFadingAway.toString(),
+            keyguardGoingAway.toString(),
+            qsExpanded.toString(),
+            headsUpNotificationShowing.toString(),
+            lightRevealScrimOpaque.toString(),
+            forceWindowCollapsed.toString(),
+            forceDozeBrightness.toString(),
+            forceUserActivity.toString(),
+            launchingActivityFromNotification.toString(),
+            mediaBackdropShowing.toString(),
+            wallpaperSupportsAmbientMode.toString(),
+            windowNotTouchable.toString(),
+            componentsForcingTopUi.toString(),
+            forceOpenTokens.toString(),
+            StatusBarState.toString(statusBarState),
+            remoteInputActive.toString(),
+            forcePluginOpen.toString(),
+            dozing.toString(),
+            scrimsVisibility.toString(),
+            backgroundBlurRadius.toString()
+        )
+    }
+
+    /**
+     * [RingBuffer] to store [NotificationShadeWindowState]. After the buffer is full, it will
+     * recycle old events.
+     */
+    class Buffer(capacity: Int) {
+
+        private val buffer = RingBuffer(capacity) { NotificationShadeWindowState() }
+
+        /** Insert a new element in the buffer. */
+        fun insert(
+            keyguardShowing: Boolean,
+            keyguardOccluded: Boolean,
+            keyguardNeedsInput: Boolean,
+            panelVisible: Boolean,
+            panelExpanded: Boolean,
+            notificationShadeFocusable: Boolean,
+            bouncerShowing: Boolean,
+            keyguardFadingAway: Boolean,
+            keyguardGoingAway: Boolean,
+            qsExpanded: Boolean,
+            headsUpShowing: Boolean,
+            lightRevealScrimOpaque: Boolean,
+            forceCollapsed: Boolean,
+            forceDozeBrightness: Boolean,
+            forceUserActivity: Boolean,
+            launchingActivity: Boolean,
+            backdropShowing: Boolean,
+            wallpaperSupportsAmbientMode: Boolean,
+            notTouchable: Boolean,
+            componentsForcingTopUi: MutableSet<String>,
+            forceOpenTokens: MutableSet<Any>,
+            statusBarState: Int,
+            remoteInputActive: Boolean,
+            forcePluginOpen: Boolean,
+            dozing: Boolean,
+            scrimsVisibility: Int,
+            backgroundBlurRadius: Int,
+        ) {
+            buffer.advance().apply {
+                this.keyguardShowing = keyguardShowing
+                this.keyguardOccluded = keyguardOccluded
+                this.keyguardNeedsInput = keyguardNeedsInput
+                this.panelVisible = panelVisible
+                this.panelExpanded = panelExpanded
+                this.notificationShadeFocusable = notificationShadeFocusable
+                this.bouncerShowing = bouncerShowing
+                this.keyguardFadingAway = keyguardFadingAway
+                this.keyguardGoingAway = keyguardGoingAway
+                this.qsExpanded = qsExpanded
+                this.headsUpNotificationShowing = headsUpShowing
+                this.lightRevealScrimOpaque = lightRevealScrimOpaque
+                this.forceWindowCollapsed = forceCollapsed
+                this.forceDozeBrightness = forceDozeBrightness
+                this.forceUserActivity = forceUserActivity
+                this.launchingActivityFromNotification = launchingActivity
+                this.mediaBackdropShowing = backdropShowing
+                this.wallpaperSupportsAmbientMode = wallpaperSupportsAmbientMode
+                this.windowNotTouchable = notTouchable
+                this.componentsForcingTopUi.clear()
+                this.componentsForcingTopUi.addAll(componentsForcingTopUi)
+                this.forceOpenTokens.clear()
+                this.forceOpenTokens.addAll(forceOpenTokens)
+                this.statusBarState = statusBarState
+                this.remoteInputActive = remoteInputActive
+                this.forcePluginOpen = forcePluginOpen
+                this.dozing = dozing
+                this.scrimsVisibility = scrimsVisibility
+                this.backgroundBlurRadius = backgroundBlurRadius
+            }
+        }
+
+        /**
+         * Returns the content of the buffer (sorted from latest to newest).
+         *
+         * @see [NotificationShadeWindowState.asStringList]
+         */
+        fun toList(): List<Row> {
+            return buffer.asSequence().map { it.asStringList }.toList()
+        }
+    }
+
+    companion object {
+        /** Headers for dumping a table using [DumpsysTableLogger]. */
+        @JvmField
+        val TABLE_HEADERS =
+            listOf(
+                "keyguardShowing",
+                "keyguardOccluded",
+                "keyguardNeedsInput",
+                "panelVisible",
+                "panelExpanded",
+                "notificationShadeFocusable",
+                "bouncerShowing",
+                "keyguardFadingAway",
+                "keyguardGoingAway",
+                "qsExpanded",
+                "headsUpShowing",
+                "lightRevealScrimOpaque",
+                "forceCollapsed",
+                "forceDozeBrightness",
+                "forceUserActivity",
+                "launchingActivity",
+                "backdropShowing",
+                "wallpaperSupportsAmbientMode",
+                "notTouchable",
+                "componentsForcingTopUi",
+                "forceOpenTokens",
+                "statusBarState",
+                "remoteInputActive",
+                "forcePluginOpen",
+                "dozing",
+                "scrimsVisibility",
+                "backgroundBlurRadius"
+            )
+    }
+}