50 lines
1.6 KiB
Java
50 lines
1.6 KiB
Java
package androidx.cursoradapter.widget;
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import android.database.Cursor;
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import android.widget.Filter;
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public class CursorFilter extends Filter {
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public CursorFilterClient mClient;
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public interface CursorFilterClient {
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void changeCursor(Cursor cursor);
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CharSequence convertToString(Cursor cursor);
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Cursor getCursor();
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Cursor runQueryOnBackgroundThread(CharSequence charSequence);
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}
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public CursorFilter(CursorFilterClient cursorFilterClient) {
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this.mClient = cursorFilterClient;
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}
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@Override // android.widget.Filter
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public CharSequence convertResultToString(Object obj) {
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return this.mClient.convertToString((Cursor) obj);
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}
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@Override // android.widget.Filter
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public Filter.FilterResults performFiltering(CharSequence charSequence) {
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Cursor runQueryOnBackgroundThread = this.mClient.runQueryOnBackgroundThread(charSequence);
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Filter.FilterResults filterResults = new Filter.FilterResults();
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if (runQueryOnBackgroundThread != null) {
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filterResults.count = runQueryOnBackgroundThread.getCount();
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filterResults.values = runQueryOnBackgroundThread;
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} else {
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filterResults.count = 0;
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filterResults.values = null;
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}
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return filterResults;
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}
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@Override // android.widget.Filter
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public void publishResults(CharSequence charSequence, Filter.FilterResults filterResults) {
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Cursor cursor = this.mClient.getCursor();
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Object obj = filterResults.values;
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if (obj != null && obj != cursor) {
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this.mClient.changeCursor((Cursor) obj);
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}
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}
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}
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