Hides text on ButtonDropTargets if any of them are ellipsized.
This can happen on small devices or on devices where Font/Display size
is enlarged and when Developer Options is turned on when all three
options {Uninstall, Delete, App Info} are shown at once.
Bug: 64391860
Change-Id: If355d28087d53148114eb586efb3c26f158b3713
diff --git a/src/com/android/launcher3/DropTargetBar.java b/src/com/android/launcher3/DropTargetBar.java
index 0840b70..29a1349 100644
--- a/src/com/android/launcher3/DropTargetBar.java
+++ b/src/com/android/launcher3/DropTargetBar.java
@@ -78,6 +78,58 @@
setupButtonDropTarget(this, dragController);
}
+ @Override
+ protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+ super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+
+ boolean hideText = hideTextHelper(false /* shouldUpdateText */, false /* no-op */);
+ if (hideTextHelper(true /* shouldUpdateText */, hideText)) {
+ // Text has changed, so we need to re-measure.
+ super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+ }
+ }
+
+ /**
+ * Helper method that iterates through the children and returns whether any of the visible
+ * {@link ButtonDropTarget} has truncated text.
+ *
+ * @param shouldUpdateText If True, updates the text of all children.
+ * @param hideText If True and {@param shouldUpdateText} is True, clears the text of all
+ * children; otherwise it sets the original text value.
+ *
+ *
+ * @return If shouldUpdateText is True, returns whether any of the children updated their text.
+ * Else, returns whether any of the children have truncated their text.
+ */
+ private boolean hideTextHelper(boolean shouldUpdateText, boolean hideText) {
+ boolean result = false;
+ View visibleView;
+ ButtonDropTarget dropTarget;
+ for (int i = getChildCount() - 1; i >= 0; --i) {
+ if (getChildAt(i) instanceof ButtonDropTarget) {
+ visibleView = dropTarget = (ButtonDropTarget) getChildAt(i);
+ } else if (getChildAt(i) instanceof ViewGroup) {
+ // The Drop Target is wrapped in a FrameLayout.
+ visibleView = getChildAt(i);
+ dropTarget = (ButtonDropTarget) ((ViewGroup) visibleView).getChildAt(0);
+ } else {
+ // Ignore other views.
+ continue;
+ }
+
+ if (visibleView.getVisibility() == View.VISIBLE) {
+ if (shouldUpdateText) {
+ result |= dropTarget.updateText(hideText);
+ } else if (dropTarget.isTextTruncated()) {
+ result = true;
+ break;
+ }
+ }
+ }
+
+ return result;
+ }
+
private void setupButtonDropTarget(View view, DragController dragController) {
if (view instanceof ButtonDropTarget) {
ButtonDropTarget bdt = (ButtonDropTarget) view;