The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/base/home/SearchLoader.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,77 @@
     1.4 +/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
     1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +package org.mozilla.gecko.home;
    1.10 +
    1.11 +import org.mozilla.gecko.db.BrowserDB;
    1.12 +
    1.13 +import android.content.Context;
    1.14 +import android.database.Cursor;
    1.15 +import android.os.Bundle;
    1.16 +import android.support.v4.app.LoaderManager;
    1.17 +import android.support.v4.app.LoaderManager.LoaderCallbacks;
    1.18 +import android.support.v4.content.Loader;
    1.19 +
    1.20 +/**
    1.21 + * Encapsulates the implementation of the search cursor loader.
    1.22 + */
    1.23 +class SearchLoader {
    1.24 +    // Key for search terms
    1.25 +    private static final String KEY_SEARCH_TERM = "search_term";
    1.26 +
    1.27 +    private SearchLoader() {
    1.28 +    }
    1.29 +
    1.30 +    public static Loader<Cursor> createInstance(Context context, Bundle args) {
    1.31 +        if (args != null) {
    1.32 +            final String searchTerm = args.getString(KEY_SEARCH_TERM);
    1.33 +            return new SearchCursorLoader(context, searchTerm);
    1.34 +        } else {
    1.35 +            return new SearchCursorLoader(context, "");
    1.36 +        }
    1.37 +    }
    1.38 +
    1.39 +    private static Bundle createArgs(String searchTerm) {
    1.40 +        Bundle args = new Bundle();
    1.41 +        args.putString(SearchLoader.KEY_SEARCH_TERM, searchTerm);
    1.42 +
    1.43 +        return args;
    1.44 +    }
    1.45 +
    1.46 +    public static void init(LoaderManager manager, int loaderId,
    1.47 +                               LoaderCallbacks<Cursor> callbacks, String searchTerm) {
    1.48 +        final Bundle args = createArgs(searchTerm);
    1.49 +        manager.initLoader(loaderId, args, callbacks);
    1.50 +    }
    1.51 +
    1.52 +    public static void restart(LoaderManager manager, int loaderId,
    1.53 +                               LoaderCallbacks<Cursor> callbacks, String searchTerm) {
    1.54 +        final Bundle args = createArgs(searchTerm);
    1.55 +        manager.restartLoader(loaderId, args, callbacks);
    1.56 +    }
    1.57 +
    1.58 +    public static class SearchCursorLoader extends SimpleCursorLoader {
    1.59 +        // Max number of search results
    1.60 +        private static final int SEARCH_LIMIT = 100;
    1.61 +
    1.62 +        // The target search term associated with the loader
    1.63 +        private final String mSearchTerm;
    1.64 +
    1.65 +        public SearchCursorLoader(Context context, String searchTerm) {
    1.66 +            super(context);
    1.67 +            mSearchTerm = searchTerm;
    1.68 +        }
    1.69 +
    1.70 +        @Override
    1.71 +        public Cursor loadCursor() {
    1.72 +            return BrowserDB.filter(getContext().getContentResolver(), mSearchTerm, SEARCH_LIMIT);
    1.73 +        }
    1.74 +
    1.75 +        public String getSearchTerm() {
    1.76 +            return mSearchTerm;
    1.77 +        }
    1.78 +    }
    1.79 +
    1.80 +}