mobile/android/base/home/SearchLoader.java@b8a032363ba2 (annotated)
mobile/android/base/home/SearchLoader.java
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| 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 | } |
