Add framework support for scrolling to the "More results..." list item (ae9760b6) · Commits · e / os / android_frameworks_base

core/java/android/app/SearchDialog.java

+18 −1

Original line number	Diff line number	Diff line
		@@ -1275,8 +1275,25 @@ public class SearchDialog extends Dialog implements OnItemClickListener, OnItemS
		private void handleCursorRespondIntent(Intent intent) {
		Cursor c = mSuggestionsAdapter.getCursor();
		if (c != null) {
		c.respond(intent.getExtras());
		Bundle response = c.respond(intent.getExtras());

		// The SHOW_CORPUS_SELECTORS command to the cursor also returns a value in
		// its bundle, keyed by the same command string, which contains the index
		// of the "More results..." list item, which we use to instruct the
		// AutoCompleteTextView's list to scroll to that item when the item is
		// clicked.
		if (response.containsKey(SuggestionsAdapter.SHOW_CORPUS_SELECTORS)) {
		int indexOfMore = response.getInt(SuggestionsAdapter.SHOW_CORPUS_SELECTORS);
		mSuggestionsAdapter.setListItemToSelect(indexOfMore);
		}
		}
		}

		/**
		* Sets the list item selection in the AutoCompleteTextView's ListView.
		*/
		public void setListSelection(int index) {
		mSearchAutoComplete.setListSelection(index);
		}

		/**

core/java/android/app/SuggestionsAdapter.java

+25 −0

Original line number	Diff line number	Diff line
		@@ -50,6 +50,11 @@ class SuggestionsAdapter extends ResourceCursorAdapter {
		// so we can correctly display (or not display) the 'working' spinner in the search dialog.
		public static final String IS_WORKING = "isWorking";

		// The value used to tell a cursor to display the corpus selectors, if this is global
		// search. Also returns the index of the more results item to allow the SearchDialog
		// to tell the ListView to scroll to that list item.
		public static final String SHOW_CORPUS_SELECTORS = "showCorpusSelectors";

		private static final boolean DBG = false;
		private static final String LOG_TAG = "SuggestionsAdapter";

		@@ -68,6 +73,13 @@ class SuggestionsAdapter extends ResourceCursorAdapter {
		private int mIconBitmap1Col;
		private int mIconBitmap2Col;

		// This value is stored in SuggestionsAdapter by the SearchDialog to indicate whether
		// a particular list item should be selected upon the next call to notifyDataSetChanged.
		// This is used to indicate the index of the "More results..." list item so that when
		// the data set changes after a click of "More results...", we can correctly tell the
		// ListView to scroll to the right line item. It gets reset to -1 every time it is consumed.
		private int mListItemToSelect = -1;

		public SuggestionsAdapter(Context context, SearchDialog searchDialog, SearchableInfo searchable,
		WeakHashMap<String, Drawable> outsideDrawablesCache, boolean globalSearchMode) {
		super(context,
		@@ -134,6 +146,19 @@ class SuggestionsAdapter extends ResourceCursorAdapter {
		public void notifyDataSetChanged() {
		super.notifyDataSetChanged();
		updateWorking();
		if (mListItemToSelect != -1) {
		mSearchDialog.setListSelection(mListItemToSelect);
		mListItemToSelect = -1;
		}
		}

		/**
		* Specifies the list item to select upon next call of {@link #notifyDataSetChanged()},
		* in order to let us scroll the "More results..." list item to the top of the screen
		* (or as close as it can get) when clicked.
		*/
		public void setListItemToSelect(int index) {
		mListItemToSelect = index;
		}

		/**