Add system setting for CW Home Ready

Add a system setting to signal that the Clockwork
Home application has finished initializing.

The setting is marked as transient so it's value
is not persistent during device reboot.

Bug: 149253712
Change-Id: I74e75509dd22b3a1a5cc4c88866d059fed44a347
(cherry picked from commit 3084060da2b4c4fc66a47b75ef85adc11c4de36f)

core/java/android/provider/Settings.java

@@ -14875,6 +14875,17 @@ public final class Settings {
         public static final String CLOCKWORK_SYSUI_MAIN_ACTIVITY_NAME =
                 "clockwork_sysui_main_activity_name";
 
+        /**
+         * Setting to determine if the Clockwork Home application is ready.
+         *
+         * <p>
+         * Set to 1 when the Clockwork Home application has finished starting up.
+         * </p>
+         *
+         * @hide
+         */
+        public static final String CLOCKWORK_HOME_READY = "clockwork_home_ready";
+
         /**
          * Indicates whether aware is available in the current location.
          * @hide
@@ -14933,6 +14944,15 @@ public final class Settings {
          */
         public static final String ONE_HANDED_KEYGUARD_SIDE = "one_handed_keyguard_side";
 
+        /**
+         * Global settings that shouldn't be persisted.
+         *
+         * @hide
+         */
+        public static final String[] TRANSIENT_SETTINGS = {
+                CLOCKWORK_HOME_READY,
+        };
+
         /**
          * Keys we no longer back up under the current schema, but want to continue to
          * process when restoring historical backup datasets.

packages/SettingsProvider/src/android/provider/settings/backup/GlobalSettings.java

@@ -42,6 +42,7 @@ public class GlobalSettings {
         Settings.Global.BUGREPORT_IN_POWER_MENU,
         Settings.Global.CLOCKWORK_SYSUI_PACKAGE_NAME,
         Settings.Global.CLOCKWORK_SYSUI_MAIN_ACTIVITY_NAME,
+        Settings.Global.CLOCKWORK_HOME_READY,
         Settings.Global.STAY_ON_WHILE_PLUGGED_IN,
         Settings.Global.APP_AUTO_RESTRICTION_ENABLED,
         Settings.Global.AUTO_TIME,

packages/SettingsProvider/src/android/provider/settings/validators/GlobalSettingsValidators.java

@@ -115,6 +115,7 @@ public class GlobalSettingsValidators {
         VALIDATORS.put(Global.BLUETOOTH_ON, BOOLEAN_VALIDATOR);
         VALIDATORS.put(Global.CLOCKWORK_SYSUI_MAIN_ACTIVITY_NAME, ANY_STRING_VALIDATOR);
         VALIDATORS.put(Global.CLOCKWORK_SYSUI_PACKAGE_NAME, ANY_STRING_VALIDATOR);
+        VALIDATORS.put(Global.CLOCKWORK_HOME_READY, ANY_STRING_VALIDATOR);
         VALIDATORS.put(Global.PRIVATE_DNS_MODE, ANY_STRING_VALIDATOR);
         VALIDATORS.put(Global.PRIVATE_DNS_SPECIFIER, ANY_STRING_VALIDATOR);
         VALIDATORS.put(Global.SOFT_AP_TIMEOUT_ENABLED, BOOLEAN_VALIDATOR);

packages/SettingsProvider/src/com/android/providers/settings/SettingsState.java

@@ -33,6 +33,7 @@ import android.os.Message;
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.provider.Settings;
+import android.provider.Settings.Global;
 import android.providers.settings.SettingsOperationProto;
 import android.text.TextUtils;
 import android.util.ArrayMap;
@@ -47,6 +48,7 @@ import android.util.Xml;
 import android.util.proto.ProtoOutputStream;
 
 import com.android.internal.annotations.GuardedBy;
+import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.FrameworkStatsLog;
 
 import libcore.io.IoUtils;
@@ -806,7 +808,14 @@ final class SettingsState {
 
                 final int settingCount = settings.size();
                 for (int i = 0; i < settingCount; i++) {
+
                     Setting setting = settings.valueAt(i);
+                    if (setting.isTransient()) {
+                        if (DEBUG_PERSISTENCE) {
+                            Slog.i(LOG_TAG, "[SKIPPED PERSISTING]" + setting.getName());
+                        }
+                        continue;
+                    }
 
                     if (writeSingleSetting(mVersion, serializer, setting.getId(), setting.getName(),
                             setting.getValue(), setting.getDefaultValue(), setting.getPackageName(),
@@ -1302,6 +1311,14 @@ final class SettingsState {
                     /* resetToDefault */ true);
         }
 
+        public boolean isTransient() {
+            switch (getTypeFromKey(getKey())) {
+                case SETTINGS_TYPE_GLOBAL:
+                    return ArrayUtils.contains(Global.TRANSIENT_SETTINGS, getName());
+            }
+            return false;
+        }
+
         public boolean update(String value, boolean setDefault, String packageName, String tag,
                 boolean forceNonSystemPackage, boolean overrideableByRestore) {
             return update(value, setDefault, packageName, tag, forceNonSystemPackage,