mobile/android/base/home/SearchLoader.java

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
michael@0 2 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 package org.mozilla.gecko.home;
michael@0 7
michael@0 8 import org.mozilla.gecko.db.BrowserDB;
michael@0 9
michael@0 10 import android.content.Context;
michael@0 11 import android.database.Cursor;
michael@0 12 import android.os.Bundle;
michael@0 13 import android.support.v4.app.LoaderManager;
michael@0 14 import android.support.v4.app.LoaderManager.LoaderCallbacks;
michael@0 15 import android.support.v4.content.Loader;
michael@0 16
michael@0 17 /**
michael@0 18 * Encapsulates the implementation of the search cursor loader.
michael@0 19 */
michael@0 20 class SearchLoader {
michael@0 21 // Key for search terms
michael@0 22 private static final String KEY_SEARCH_TERM = "search_term";
michael@0 23
michael@0 24 private SearchLoader() {
michael@0 25 }
michael@0 26
michael@0 27 public static Loader<Cursor> createInstance(Context context, Bundle args) {
michael@0 28 if (args != null) {
michael@0 29 final String searchTerm = args.getString(KEY_SEARCH_TERM);
michael@0 30 return new SearchCursorLoader(context, searchTerm);
michael@0 31 } else {
michael@0 32 return new SearchCursorLoader(context, "");
michael@0 33 }
michael@0 34 }
michael@0 35
michael@0 36 private static Bundle createArgs(String searchTerm) {
michael@0 37 Bundle args = new Bundle();
michael@0 38 args.putString(SearchLoader.KEY_SEARCH_TERM, searchTerm);
michael@0 39
michael@0 40 return args;
michael@0 41 }
michael@0 42
michael@0 43 public static void init(LoaderManager manager, int loaderId,
michael@0 44 LoaderCallbacks<Cursor> callbacks, String searchTerm) {
michael@0 45 final Bundle args = createArgs(searchTerm);
michael@0 46 manager.initLoader(loaderId, args, callbacks);
michael@0 47 }
michael@0 48
michael@0 49 public static void restart(LoaderManager manager, int loaderId,
michael@0 50 LoaderCallbacks<Cursor> callbacks, String searchTerm) {
michael@0 51 final Bundle args = createArgs(searchTerm);
michael@0 52 manager.restartLoader(loaderId, args, callbacks);
michael@0 53 }
michael@0 54
michael@0 55 public static class SearchCursorLoader extends SimpleCursorLoader {
michael@0 56 // Max number of search results
michael@0 57 private static final int SEARCH_LIMIT = 100;
michael@0 58
michael@0 59 // The target search term associated with the loader
michael@0 60 private final String mSearchTerm;
michael@0 61
michael@0 62 public SearchCursorLoader(Context context, String searchTerm) {
michael@0 63 super(context);
michael@0 64 mSearchTerm = searchTerm;
michael@0 65 }
michael@0 66
michael@0 67 @Override
michael@0 68 public Cursor loadCursor() {
michael@0 69 return BrowserDB.filter(getContext().getContentResolver(), mSearchTerm, SEARCH_LIMIT);
michael@0 70 }
michael@0 71
michael@0 72 public String getSearchTerm() {
michael@0 73 return mSearchTerm;
michael@0 74 }
michael@0 75 }
michael@0 76
michael@0 77 }

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