[DocsUI M3] Add tooltip for long file names

Add a tooltip to display the full file name on a long press
or hover over the item.

See the bug for a demo.

Bug: 406304742
Test: m DocumentsUIGoogle && manual inspection
Flag: com.android.documentsui.flags.use_material3
Change-Id: I6f91e9434b4ef8b55161292686494eb35402a6e9

parent 2b45e2d8

src/com/android/documentsui/dirlist/GridDocumentHolder.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -274,6 +274,8 @@ final class GridDocumentHolder extends DocumentHolder {

		mTitle.setText(mDoc.displayName, TextView.BufferType.SPANNABLE);
		mTitle.setVisibility(View.VISIBLE);
		// Show the full name in a tooltip.
		itemView.setTooltipText(mDoc.displayName);

		// If file is partial, we want to show summary field as that's more relevant than fileSize
		// and date