If contacts observer is running, return early. (705b1186) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/latin/ContactsContentObserver.java

+13 −5

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ import com.android.inputmethod.latin.ContactsManager.ContactsChangedListener;
		import com.android.inputmethod.latin.utils.ExecutorUtils;

		import java.util.ArrayList;
		import java.util.concurrent.atomic.AtomicBoolean;

		/**
		* A content observer that listens to updates to content provider {@link Contacts#CONTENT_URI}.
		@@ -35,13 +36,14 @@ import java.util.ArrayList;
		public class ContactsContentObserver implements Runnable {
		private static final String TAG = ContactsContentObserver.class.getSimpleName();
		private static final boolean DEBUG = false;

		private ContentObserver mContentObserver;
		private ContactsChangedListener mContactsChangedListener;
		private static AtomicBoolean sRunning = new AtomicBoolean(false);

		private final Context mContext;
		private final ContactsManager mManager;

		private ContentObserver mContentObserver;
		private ContactsChangedListener mContactsChangedListener;

		public ContactsContentObserver(final ContactsManager manager, final Context context) {
		mManager = manager;
		mContext = context;
		@@ -55,7 +57,6 @@ public class ContactsContentObserver implements Runnable {
		mContentObserver = new ContentObserver(null /* handler */) {
		@Override
		public void onChange(boolean self) {
		// TODO(zivkovic): Limit the queue to 1 instance of ContactsContentObserver.
		ExecutorUtils.getExecutorForDynamicLanguageModelUpdate()
		.execute(ContactsContentObserver.this);
		}
		@@ -66,12 +67,19 @@ public class ContactsContentObserver implements Runnable {

		@Override
		public void run() {
		if (!sRunning.compareAndSet(false /* expect /, true / update */)) {
		if (DEBUG) {
		Log.d(TAG, "run() : Already running. Don't waste time checking again.");
		}
		return;
		}
		if (haveContentsChanged()) {
		if (DEBUG) {
		Log.d(TAG, "Contacts have changed; notifying listeners");
		Log.d(TAG, "run() : Contacts have changed. Notifying listeners.");
		}
		mContactsChangedListener.onContactsChange();
		}
		sRunning.set(false);
		}

		private boolean haveContentsChanged() {