From 0a45cccbc11d2e93f044ee5afcc776188fd34b42 Mon Sep 17 00:00:00 2001
From: Pat Manning <patmanning@google.com>
Date: Mon, 17 Jan 2022 16:37:49 +0000
Subject: [PATCH] Track immersive mode via a new SysUI state.

Test: manual
Bug: 203748818
Change-Id: Iae29044fd1962391a6bd0390dcb7870ced2b3efb
---
 .../android/systemui/shared/system/QuickStepContract.java   | 6 +++++-
 .../com/android/systemui/navigationbar/TaskbarDelegate.java | 6 ++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/system/QuickStepContract.java b/packages/SystemUI/shared/src/com/android/systemui/shared/system/QuickStepContract.java
index 54c798c7d95db..2dc060c3ff6b7 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/system/QuickStepContract.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/QuickStepContract.java
@@ -120,6 +120,8 @@ public class QuickStepContract {
     public static final int SYSUI_STATE_BACK_DISABLED = 1 << 22;
     // The bubble stack is expanded AND the mange menu for bubbles is expanded on top of it.
     public static final int SYSUI_STATE_BUBBLES_MANAGE_MENU_EXPANDED = 1 << 23;
+    // The current app is in immersive mode
+    public static final int SYSUI_STATE_IMMERSIVE_MODE = 1 << 24;
 
     @Retention(RetentionPolicy.SOURCE)
     @IntDef({SYSUI_STATE_SCREEN_PINNING,
@@ -145,7 +147,8 @@ public class QuickStepContract {
             SYSUI_STATE_IME_SWITCHER_SHOWING,
             SYSUI_STATE_DEVICE_DOZING,
             SYSUI_STATE_BACK_DISABLED,
-            SYSUI_STATE_BUBBLES_MANAGE_MENU_EXPANDED
+            SYSUI_STATE_BUBBLES_MANAGE_MENU_EXPANDED,
+            SYSUI_STATE_IMMERSIVE_MODE
     })
     public @interface SystemUiStateFlags {}
 
@@ -179,6 +182,7 @@ public class QuickStepContract {
         str.add((flags & SYSUI_STATE_BACK_DISABLED) != 0 ? "back_disabled" : "");
         str.add((flags & SYSUI_STATE_BUBBLES_MANAGE_MENU_EXPANDED) != 0
                 ? "bubbles_mange_menu_expanded" : "");
+        str.add((flags & SYSUI_STATE_IMMERSIVE_MODE) != 0 ? "immersive_mode" : "");
         return str.toString();
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/TaskbarDelegate.java b/packages/SystemUI/src/com/android/systemui/navigationbar/TaskbarDelegate.java
index 441e79a97521a..ec15b2469358e 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/TaskbarDelegate.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/TaskbarDelegate.java
@@ -31,6 +31,7 @@ import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_B
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_HOME_DISABLED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IME_SHOWING;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IME_SWITCHER_SHOWING;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IMMERSIVE_MODE;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NAV_BAR_HIDDEN;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_SCREEN_PINNING;
@@ -304,6 +305,7 @@ public class TaskbarDelegate implements CommandQueue.Callbacks,
                         allowSystemGestureIgnoringBarVisibility())
                 .setFlag(SYSUI_STATE_SCREEN_PINNING,
                         ActivityManagerWrapper.getInstance().isScreenPinningActive())
+                .setFlag(SYSUI_STATE_IMMERSIVE_MODE, isImmersiveMode())
                 .commitUpdate(mDisplayId);
     }
 
@@ -445,6 +447,10 @@ public class TaskbarDelegate implements CommandQueue.Callbacks,
         return mBehavior != BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE;
     }
 
+    private boolean isImmersiveMode() {
+        return mBehavior == BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE;
+    }
+
     @Override
     public void onConfigurationChanged(Configuration configuration) {
         mEdgeBackGestureHandler.onConfigurationChanged(configuration);