Merge "Do not preserve settings changed by 'android' package" into rvc-dev (00562369) · Commits · e / os / android_frameworks_base

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

+8 −2

Original line number	Diff line number	Diff line
		@@ -1313,7 +1313,8 @@ final class SettingsState {
		}

		// isValuePreservedInRestore shouldn't change back to false if it has been set to true.
		boolean isPreserved = shouldPreserveSetting(overrideableByRestore, resetToDefault);
		boolean isPreserved = shouldPreserveSetting(overrideableByRestore, resetToDefault,
		packageName, value);

		// Is something gonna change?
		if (Objects.equals(value, this.value)
		@@ -1339,11 +1340,16 @@ final class SettingsState {
		}

		private boolean shouldPreserveSetting(boolean overrideableByRestore,
		boolean resetToDefault) {
		boolean resetToDefault, String packageName, String value) {
		if (resetToDefault) {
		// By default settings are not marked as preserved.
		return false;
		}
		if (value != null && value.equals(this.value)
		&& SYSTEM_PACKAGE_NAME.equals(packageName)) {
		// Do not mark preserved if it's the system reinitializing to the same value.
		return false;
		}

		// isValuePreservedInRestore shouldn't change back to false if it has been set to true.
		return this.isValuePreservedInRestore \|\| !overrideableByRestore;

+21 −0

Original line number	Diff line number	Diff line
		@@ -47,6 +47,7 @@ public class SettingsStateTest extends AndroidTestCase {
		"日本語";

		private static final String TEST_PACKAGE = "package";
		private static final String SYSTEM_PACKAGE = "android";
		private static final String SETTING_NAME = "test_setting";

		private final Object mLock = new Object();
		@@ -253,6 +254,26 @@ public class SettingsStateTest extends AndroidTestCase {

		}

		public void testModifySettingBySystemPackage_sameValue_preserveFlagNotSet() {
		SettingsState settingsState = getSettingStateObject();
		// Initialize the setting.
		settingsState.insertSettingLocked(SETTING_NAME, "1", null, false, SYSTEM_PACKAGE);
		// Update the setting.
		settingsState.insertSettingLocked(SETTING_NAME, "1", null, false, SYSTEM_PACKAGE);

		assertFalse(settingsState.getSettingLocked(SETTING_NAME).isValuePreservedInRestore());
		}

		public void testModifySettingBySystemPackage_newValue_preserveFlagSet() {
		SettingsState settingsState = getSettingStateObject();
		// Initialize the setting.
		settingsState.insertSettingLocked(SETTING_NAME, "1", null, false, SYSTEM_PACKAGE);
		// Update the setting.
		settingsState.insertSettingLocked(SETTING_NAME, "2", null, false, SYSTEM_PACKAGE);

		assertTrue(settingsState.getSettingLocked(SETTING_NAME).isValuePreservedInRestore());
		}

		private SettingsState getSettingStateObject() {
		SettingsState settingsState = new SettingsState(getContext(), mLock, mSettingsFile, 1,
		SettingsState.MAX_BYTES_PER_APP_PACKAGE_UNLIMITED, Looper.getMainLooper());