Add support for multiple focus listeners to ExtendedEditText.
Bug: 249952937
Test: manual, see other bug in the topic
Change-Id: I8cc6f525d1a895cc9ee6c6087b51af330d4f25a6
diff --git a/src/com/android/launcher3/ExtendedEditText.java b/src/com/android/launcher3/ExtendedEditText.java
index 11f2020..c59f25d 100644
--- a/src/com/android/launcher3/ExtendedEditText.java
+++ b/src/com/android/launcher3/ExtendedEditText.java
@@ -18,6 +18,7 @@
import static com.android.launcher3.logging.KeyboardStateManager.KeyboardState.SHOW;
import android.content.Context;
+import android.graphics.Rect;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.DragEvent;
@@ -27,12 +28,17 @@
import com.android.launcher3.views.ActivityContext;
+import java.util.HashSet;
+import java.util.Set;
+
/**
* The edit text that reports back when the back key has been pressed.
* Note: AppCompatEditText doesn't fully support #displayCompletions and #onCommitCompletion
*/
public class ExtendedEditText extends EditText {
+ private final Set<OnFocusChangeListener> mOnFocusChangeListeners = new HashSet<>();
+
private boolean mForceDisableSuggestions = false;
/**
@@ -129,4 +135,28 @@
setText("");
}
}
+
+ /**
+ * This method should be preferred to {@link #setOnFocusChangeListener(OnFocusChangeListener)},
+ * as it allows for multiple listeners from different sources.
+ */
+ public void addOnFocusChangeListener(OnFocusChangeListener listener) {
+ mOnFocusChangeListeners.add(listener);
+ }
+
+ /**
+ * Removes the given listener from the set of registered focus listeners, or does nothing if it
+ * wasn't registered in the first place.
+ */
+ public void removeOnFocusChangeListener(OnFocusChangeListener listener) {
+ mOnFocusChangeListeners.remove(listener);
+ }
+
+ @Override
+ protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
+ super.onFocusChanged(focused, direction, previouslyFocusedRect);
+ for (OnFocusChangeListener listener : mOnFocusChangeListeners) {
+ listener.onFocusChange(this, focused);
+ }
+ }
}