1 /* 2 * Copyright (C) 2018 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.datetime.timezone; 18 19 import android.os.Bundle; 20 import android.support.annotation.VisibleForTesting; 21 import android.support.v7.widget.LinearLayoutManager; 22 import android.support.v7.widget.RecyclerView; 23 import android.view.LayoutInflater; 24 import android.view.Menu; 25 import android.view.MenuInflater; 26 import android.view.MenuItem; 27 import android.view.View; 28 import android.view.ViewGroup; 29 import android.widget.LinearLayout; 30 import android.widget.SearchView; 31 import android.widget.TextView; 32 33 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 34 import com.android.settings.R; 35 import com.android.settings.core.InstrumentedFragment; 36 import com.android.settings.datetime.timezone.model.TimeZoneData; 37 import com.android.settings.datetime.timezone.model.TimeZoneDataLoader; 38 39 import java.util.Locale; 40 41 /** 42 * It's abstract class. Subclass should use it with {@class BaseTimeZoneAdapter} and 43 * {@class AdapterItem} to provide a list view with text search capability. 44 * The search matches the prefix of words in the search text. 45 */ 46 public abstract class BaseTimeZonePicker extends InstrumentedFragment 47 implements SearchView.OnQueryTextListener { 48 49 public static final String EXTRA_RESULT_REGION_ID = 50 "com.android.settings.datetime.timezone.result_region_id"; 51 public static final String EXTRA_RESULT_TIME_ZONE_ID = 52 "com.android.settings.datetime.timezone.result_time_zone_id"; 53 private final int mTitleResId; 54 private final int mSearchHintResId; 55 private final boolean mSearchEnabled; 56 private final boolean mDefaultExpandSearch; 57 58 protected Locale mLocale; 59 private BaseTimeZoneAdapter mAdapter; 60 private RecyclerView mRecyclerView; 61 private TimeZoneData mTimeZoneData; 62 63 private SearchView mSearchView; 64 65 /** 66 * Constructor called by subclass. 67 * @param defaultExpandSearch whether expand the search view when first launching the fragment 68 */ 69 protected BaseTimeZonePicker(int titleResId, int searchHintResId, 70 boolean searchEnabled, boolean defaultExpandSearch) { 71 mTitleResId = titleResId; 72 mSearchHintResId = searchHintResId; 73 mSearchEnabled = searchEnabled; 74 mDefaultExpandSearch = defaultExpandSearch; 75 } 76 77 @Override 78 public void onCreate(Bundle savedInstanceState) { 79 super.onCreate(savedInstanceState); 80 setHasOptionsMenu(true); 81 getActivity().setTitle(mTitleResId); 82 } 83 84 @Override 85 public View onCreateView(LayoutInflater inflater, ViewGroup container, 86 Bundle savedInstanceState) { 87 final View view = inflater.inflate(R.layout.time_zone_items_list, container, false); 88 mRecyclerView = view.findViewById(R.id.recycler_view); 89 mRecyclerView.setLayoutManager(new LinearLayoutManager(getContext(), 90 LinearLayoutManager.VERTICAL, /* reverseLayout */ false)); 91 mRecyclerView.setAdapter(mAdapter); 92 93 // Initialize TimeZoneDataLoader only when mRecyclerView is ready to avoid race 94 // during onDateLoaderReady callback. 95 getLoaderManager().initLoader(0, null, new TimeZoneDataLoader.LoaderCreator( 96 getContext(), this::onTimeZoneDataReady)); 97 return view; 98 } 99 100 public void onTimeZoneDataReady(TimeZoneData timeZoneData) { 101 if (mTimeZoneData == null && timeZoneData != null) { 102 mTimeZoneData = timeZoneData; 103 mAdapter = createAdapter(mTimeZoneData); 104 if (mRecyclerView != null) { 105 mRecyclerView.setAdapter(mAdapter); 106 } 107 } 108 } 109 110 protected Locale getLocale() { 111 return getContext().getResources().getConfiguration().getLocales().get(0); 112 } 113 114 /** 115 * Called when TimeZoneData is ready. 116 */ 117 protected abstract BaseTimeZoneAdapter createAdapter(TimeZoneData timeZoneData); 118 119 @Override 120 public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { 121 if (mSearchEnabled) { 122 inflater.inflate(R.menu.time_zone_base_search_menu, menu); 123 124 final MenuItem searchMenuItem = menu.findItem(R.id.time_zone_search_menu); 125 mSearchView = (SearchView) searchMenuItem.getActionView(); 126 127 mSearchView.setQueryHint(getText(mSearchHintResId)); 128 mSearchView.setOnQueryTextListener(this); 129 130 if (mDefaultExpandSearch) { 131 searchMenuItem.expandActionView(); 132 mSearchView.setIconified(false); 133 mSearchView.setActivated(true); 134 mSearchView.setQuery("", true /* submit */); 135 } 136 137 // Set zero margin and padding to align with the text horizontally in the preference 138 final TextView searchViewView = (TextView) mSearchView.findViewById( 139 com.android.internal.R.id.search_src_text); 140 searchViewView.setPadding(0, searchViewView.getPaddingTop(), 0, 141 searchViewView.getPaddingBottom()); 142 final View editFrame = mSearchView.findViewById( 143 com.android.internal.R.id.search_edit_frame); 144 final LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) editFrame 145 .getLayoutParams(); 146 params.setMarginStart(0); 147 params.setMarginEnd(0); 148 editFrame.setLayoutParams(params); 149 } 150 } 151 152 @Override 153 public boolean onQueryTextSubmit(String query) { 154 return false; 155 } 156 157 @Override 158 public boolean onQueryTextChange(String newText) { 159 if (mAdapter != null) { 160 mAdapter.getFilter().filter(newText); 161 } 162 return false; 163 } 164 165 public interface OnListItemClickListener<T extends BaseTimeZoneAdapter.AdapterItem> { 166 void onListItemClick(T item); 167 } 168 169 } 170