Merge "Use new code for non-app visible windows" into main (bcb712f1) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wm/BackgroundActivityStartController.java

+39 −18

Original line number	Diff line number	Diff line
		@@ -120,38 +120,56 @@ public class BackgroundActivityStartController {

		static final int BAL_BLOCK = 0;

		static final int BAL_ALLOW_DEFAULT = 1;
		static final int BAL_ALLOW_DEFAULT =
		FrameworkStatsLog.BAL_ALLOWED__ALLOWED_REASON__BAL_ALLOW_DEFAULT;

		// Following codes are in order of precedence

		/** Important UIDs which should be always allowed to launch activities */
		static final int BAL_ALLOW_ALLOWLISTED_UID = 2;
		static final int BAL_ALLOW_ALLOWLISTED_UID =
		FrameworkStatsLog.BAL_ALLOWED__ALLOWED_REASON__BAL_ALLOW_ALLOWLISTED_UID;

		/** Apps that fulfill a certain role that can can always launch new tasks */
		static final int BAL_ALLOW_ALLOWLISTED_COMPONENT = 3;
		static final int BAL_ALLOW_ALLOWLISTED_COMPONENT =
		FrameworkStatsLog.BAL_ALLOWED__ALLOWED_REASON__BAL_ALLOW_ALLOWLISTED_COMPONENT;

		/** Apps which currently have a visible window or are bound by a service with a visible
		* window */
		static final int BAL_ALLOW_VISIBLE_WINDOW = 4;
		/**
		* Apps which currently have a visible window or are bound by a service with a visible
		* window
		*/
		static final int BAL_ALLOW_VISIBLE_WINDOW =
		FrameworkStatsLog.BAL_ALLOWED__ALLOWED_REASON__BAL_ALLOW_VISIBLE_WINDOW;

		/** Allowed due to the PendingIntent sender */
		static final int BAL_ALLOW_PENDING_INTENT = 5;
		static final int BAL_ALLOW_PENDING_INTENT =
		FrameworkStatsLog.BAL_ALLOWED__ALLOWED_REASON__BAL_ALLOW_PENDING_INTENT;

		/** App has START_ACTIVITIES_FROM_BACKGROUND permission or BAL instrumentation privileges
		* granted to it */
		static final int BAL_ALLOW_PERMISSION = 6;
		/**
		* App has START_ACTIVITIES_FROM_BACKGROUND permission or BAL instrumentation privileges
		* granted to it
		*/
		static final int BAL_ALLOW_PERMISSION =
		FrameworkStatsLog.BAL_ALLOWED__ALLOWED_REASON__BAL_ALLOW_BAL_PERMISSION;

		/** Process has SYSTEM_ALERT_WINDOW permission granted to it */
		static final int BAL_ALLOW_SAW_PERMISSION = 7;
		static final int BAL_ALLOW_SAW_PERMISSION =
		FrameworkStatsLog.BAL_ALLOWED__ALLOWED_REASON__BAL_ALLOW_SAW_PERMISSION;

		/** App is in grace period after an activity was started or finished */
		static final int BAL_ALLOW_GRACE_PERIOD = 8;
		static final int BAL_ALLOW_GRACE_PERIOD =
		FrameworkStatsLog.BAL_ALLOWED__ALLOWED_REASON__BAL_ALLOW_GRACE_PERIOD;

		/** App is in a foreground task or bound to a foreground service (but not itself visible) */
		static final int BAL_ALLOW_FOREGROUND = 9;
		static final int BAL_ALLOW_FOREGROUND =
		FrameworkStatsLog.BAL_ALLOWED__ALLOWED_REASON__BAL_ALLOW_FOREGROUND;

		/** Process belongs to a SDK sandbox */
		static final int BAL_ALLOW_SDK_SANDBOX = 10;
		static final int BAL_ALLOW_SDK_SANDBOX =
		FrameworkStatsLog.BAL_ALLOWED__ALLOWED_REASON__BAL_ALLOW_SDK_SANDBOX;

		/** Process belongs to a SDK sandbox */
		static final int BAL_ALLOW_NON_APP_VISIBLE_WINDOW =
		FrameworkStatsLog.BAL_ALLOWED__ALLOWED_REASON__BAL_ALLOW_NON_APP_VISIBLE_WINDOW;

		static String balCodeToString(@BalCode int balCode) {
		return switch (balCode) {
		@@ -160,6 +178,7 @@ public class BackgroundActivityStartController {
		case BAL_ALLOW_DEFAULT -> "BAL_ALLOW_DEFAULT";
		case BAL_ALLOW_FOREGROUND -> "BAL_ALLOW_FOREGROUND";
		case BAL_ALLOW_GRACE_PERIOD -> "BAL_ALLOW_GRACE_PERIOD";
		case BAL_ALLOW_NON_APP_VISIBLE_WINDOW -> "BAL_ALLOW_NON_APP_VISIBLE_WINDOW";
		case BAL_ALLOW_PENDING_INTENT -> "BAL_ALLOW_PENDING_INTENT";
		case BAL_ALLOW_PERMISSION -> "BAL_ALLOW_PERMISSION";
		case BAL_ALLOW_SAW_PERMISSION -> "BAL_ALLOW_SAW_PERMISSION";
		@@ -788,7 +807,7 @@ public class BackgroundActivityStartController {
		/background/ false, "callingUid has visible window");
		}
		if (mService.mActiveUids.hasNonAppVisibleWindow(callingUid)) {
		return new BalVerdict(BAL_ALLOW_VISIBLE_WINDOW,
		return new BalVerdict(BAL_ALLOW_NON_APP_VISIBLE_WINDOW,
		/background/ false, "callingUid has non-app visible window");
		}

		@@ -884,7 +903,7 @@ public class BackgroundActivityStartController {
		/background/ false, "realCallingUid has visible window");
		}
		if (mService.mActiveUids.hasNonAppVisibleWindow(state.mRealCallingUid)) {
		return new BalVerdict(BAL_ALLOW_VISIBLE_WINDOW,
		return new BalVerdict(BAL_ALLOW_NON_APP_VISIBLE_WINDOW,
		/background/ false, "realCallingUid has non-app visible window");
		}
		} else {
		@@ -989,7 +1008,8 @@ public class BackgroundActivityStartController {
		\|\| balCode == BAL_ALLOW_PERMISSION
		\|\| balCode == BAL_ALLOW_PENDING_INTENT
		\|\| balCode == BAL_ALLOW_SAW_PERMISSION
		\|\| balCode == BAL_ALLOW_VISIBLE_WINDOW) {
		\|\| balCode == BAL_ALLOW_VISIBLE_WINDOW
		\|\| balCode == BAL_ALLOW_NON_APP_VISIBLE_WINDOW) {
		return true;
		}
		}
		@@ -1501,7 +1521,8 @@ public class BackgroundActivityStartController {
		Intent intent = state.mIntent;

		if (code == BAL_ALLOW_PENDING_INTENT
		&& (callingUid == Process.SYSTEM_UID \|\| realCallingUid == Process.SYSTEM_UID)) {
		&& (callingUid < Process.FIRST_APPLICATION_UID
		\|\| realCallingUid < Process.FIRST_APPLICATION_UID)) {
		String activityName = intent != null
		? requireNonNull(intent.getComponent()).flattenToShortString() : "";
		writeBalAllowedLog(activityName, BAL_ALLOW_PENDING_INTENT,