1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.intelligence.search.savedqueries; 18 19 import android.content.Context; 20 import android.os.Bundle; 21 import android.util.Log; 22 import android.view.Menu; 23 import android.view.MenuItem; 24 import androidx.loader.app.LoaderManager; 25 import androidx.loader.content.Loader; 26 27 import com.android.settings.intelligence.R; 28 import com.android.settings.intelligence.overlay.FeatureFactory; 29 import com.android.settings.intelligence.search.SearchCommon; 30 import com.android.settings.intelligence.search.SearchFeatureProvider; 31 import com.android.settings.intelligence.search.SearchResult; 32 import com.android.settings.intelligence.search.SearchResultsAdapter; 33 34 import java.util.List; 35 36 public class SavedQueryController implements LoaderManager.LoaderCallbacks, 37 MenuItem.OnMenuItemClickListener { 38 39 // TODO: make a generic background task manager to handle one-off tasks like this one. 40 private static final String ARG_QUERY = "remove_query"; 41 private static final String TAG = "SearchSavedQueryCtrl"; 42 43 private static final int MENU_SEARCH_HISTORY = 1000; 44 45 private final Context mContext; 46 private final LoaderManager mLoaderManager; 47 private final SearchFeatureProvider mSearchFeatureProvider; 48 private final SearchResultsAdapter mResultAdapter; 49 SavedQueryController(Context context, LoaderManager loaderManager, SearchResultsAdapter resultsAdapter)50 public SavedQueryController(Context context, LoaderManager loaderManager, 51 SearchResultsAdapter resultsAdapter) { 52 mContext = context; 53 mLoaderManager = loaderManager; 54 mResultAdapter = resultsAdapter; 55 mSearchFeatureProvider = FeatureFactory.get(context) 56 .searchFeatureProvider(); 57 } 58 59 @Override onCreateLoader(int id, Bundle args)60 public Loader onCreateLoader(int id, Bundle args) { 61 switch (id) { 62 case SearchCommon.SearchLoaderId.SAVE_QUERY_TASK: 63 return new SavedQueryRecorder(mContext, args.getString(ARG_QUERY)); 64 case SearchCommon.SearchLoaderId.REMOVE_QUERY_TASK: 65 return new SavedQueryRemover(mContext); 66 case SearchCommon.SearchLoaderId.SAVED_QUERIES: 67 return mSearchFeatureProvider.getSavedQueryLoader(mContext); 68 } 69 return null; 70 } 71 72 @Override onLoadFinished(Loader loader, Object data)73 public void onLoadFinished(Loader loader, Object data) { 74 switch (loader.getId()) { 75 case SearchCommon.SearchLoaderId.REMOVE_QUERY_TASK: 76 mLoaderManager.restartLoader(SearchCommon.SearchLoaderId.SAVED_QUERIES, 77 null /* args */, this /* callback */); 78 break; 79 case SearchCommon.SearchLoaderId.SAVED_QUERIES: 80 if (SearchFeatureProvider.DEBUG) { 81 Log.d(TAG, "Saved queries loaded"); 82 } 83 mResultAdapter.displaySavedQuery((List<SearchResult>) data); 84 break; 85 } 86 } 87 88 @Override onLoaderReset(Loader loader)89 public void onLoaderReset(Loader loader) { 90 } 91 92 @Override onMenuItemClick(MenuItem item)93 public boolean onMenuItemClick(MenuItem item) { 94 if (item.getItemId() != MENU_SEARCH_HISTORY) { 95 return false; 96 } 97 removeQueries(); 98 return true; 99 } 100 buildMenuItem(Menu menu)101 public void buildMenuItem(Menu menu) { 102 final MenuItem item = 103 menu.add(Menu.NONE, MENU_SEARCH_HISTORY, Menu.NONE, R.string.search_clear_history); 104 item.setOnMenuItemClickListener(this); 105 } 106 saveQuery(String query)107 public void saveQuery(String query) { 108 final Bundle args = new Bundle(); 109 args.putString(ARG_QUERY, query); 110 mLoaderManager.restartLoader(SearchCommon.SearchLoaderId.SAVE_QUERY_TASK, args, 111 this /* callback */); 112 } 113 114 /** 115 * Remove all saved queries from DB 116 */ removeQueries()117 public void removeQueries() { 118 final Bundle args = new Bundle(); 119 mLoaderManager.restartLoader(SearchCommon.SearchLoaderId.REMOVE_QUERY_TASK, args, 120 this /* callback */); 121 } 122 loadSavedQueries()123 public void loadSavedQueries() { 124 if (SearchFeatureProvider.DEBUG) { 125 Log.d(TAG, "loading saved queries"); 126 } 127 mLoaderManager.restartLoader(SearchCommon.SearchLoaderId.SAVED_QUERIES, null /* args */, 128 this /* callback */); 129 } 130 } 131