Merge "Reset isValuePreservedInRestore in Setting::reset()" into rvc-dev am:... (50a16e07) · Commits · e / os / android_frameworks_base

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

+21 −2

Original line number	Diff line number	Diff line
		@@ -1259,7 +1259,8 @@ final class SettingsState {
		public boolean reset() {
		// overrideableByRestore = true as resetting to default value isn't considered a
		// modification.
		return update(this.defaultValue, false, packageName, null, true, true);
		return update(this.defaultValue, false, packageName, null, true, true,
		/* resetToDefault */ true);
		}

		public boolean isTransient() {
		@@ -1272,6 +1273,13 @@ final class SettingsState {

		public boolean update(String value, boolean setDefault, String packageName, String tag,
		boolean forceNonSystemPackage, boolean overrideableByRestore) {
		return update(value, setDefault, packageName, tag, forceNonSystemPackage,
		overrideableByRestore, /* resetToDefault */ false);
		}

		private boolean update(String value, boolean setDefault, String packageName, String tag,
		boolean forceNonSystemPackage, boolean overrideableByRestore,
		boolean resetToDefault) {
		if (NULL_VALUE.equals(value)) {
		value = null;
		}
		@@ -1305,7 +1313,7 @@ final class SettingsState {
		}

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

		// Is something gonna change?
		if (Objects.equals(value, this.value)
		@@ -1329,6 +1337,17 @@ final class SettingsState {
		+ " packageName=" + packageName + " tag=" + tag
		+ " defaultFromSystem=" + defaultFromSystem + "}";
		}

		private boolean shouldPreserveSetting(boolean overrideableByRestore,
		boolean resetToDefault) {
		if (resetToDefault) {
		// By default settings are not marked as preserved.
		return false;
		}

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

		/**

packages/SettingsProvider/test/src/com/android/providers/settings/SettingsStateTest.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -241,6 +241,18 @@ public class SettingsStateTest extends AndroidTestCase {
		assertTrue(settingsReader.getSettingLocked(SETTING_NAME).isValuePreservedInRestore());
		}

		public void testResetSetting_preservedFlagIsReset() {
		SettingsState settingsState = getSettingStateObject();
		// Initialize the setting.
		settingsState.insertSettingLocked(SETTING_NAME, "1", null, false, TEST_PACKAGE);
		// Update the setting so that preserved flag is set.
		settingsState.insertSettingLocked(SETTING_NAME, "2", null, false, TEST_PACKAGE);

		settingsState.resetSettingLocked(SETTING_NAME);
		assertFalse(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());