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.tv.tuner.setup; 18 19 import android.content.res.Resources; 20 import android.os.Bundle; 21 import android.support.annotation.NonNull; 22 import android.support.annotation.Nullable; 23 import android.support.v17.leanback.widget.GuidanceStylist.Guidance; 24 import android.support.v17.leanback.widget.GuidedAction; 25 import android.util.Log; 26 import android.view.View; 27 import com.android.tv.common.ui.setup.SetupGuidedStepFragment; 28 import com.android.tv.common.ui.setup.SetupMultiPaneFragment; 29 import com.android.tv.tuner.R; 30 import java.util.ArrayList; 31 import java.util.List; 32 33 /** Lineup Fragment shows available lineups and lets users select one of them. */ 34 public class LineupFragment extends SetupMultiPaneFragment { 35 public static final String TAG = "LineupFragment"; 36 public static final boolean DEBUG = false; 37 38 public static final String ACTION_CATEGORY = "com.android.tv.tuner.setup.LineupFragment"; 39 public static final String KEY_LINEUP_NAMES = "lineup_names"; 40 public static final String KEY_MATCH_NUMBERS = "match_numbers"; 41 public static final String KEY_DEFAULT_LINEUP = "default_lineup"; 42 public static final String KEY_LINEUP_NOT_FOUND = "lineup_not_found"; 43 public static final int ACTION_ID_RETRY = SetupMultiPaneFragment.MAX_SUBCLASSES_ID - 1; 44 45 private ContentFragment contentFragment; 46 private Bundle args; 47 private ArrayList<String> lineups; 48 private boolean lineupNotFound; 49 50 @Override 51 public void onCreate(Bundle savedInstanceState) { 52 if (savedInstanceState == null) { 53 lineups = getArguments().getStringArrayList(KEY_LINEUP_NAMES); 54 } 55 super.onCreate(savedInstanceState); 56 } 57 58 @Override 59 protected SetupGuidedStepFragment onCreateContentFragment() { 60 contentFragment = new LineupFragment.ContentFragment(); 61 Bundle args = new Bundle(); 62 Bundle arguments = this.args != null ? this.args : getArguments(); 63 args.putStringArrayList(KEY_LINEUP_NAMES, lineups); 64 args.putIntegerArrayList( 65 KEY_MATCH_NUMBERS, arguments.getIntegerArrayList(KEY_MATCH_NUMBERS)); 66 args.putInt(KEY_DEFAULT_LINEUP, arguments.getInt(KEY_DEFAULT_LINEUP)); 67 args.putBoolean(KEY_LINEUP_NOT_FOUND, lineupNotFound); 68 contentFragment.setArguments(args); 69 return contentFragment; 70 } 71 72 @Override 73 protected String getActionCategory() { 74 return ACTION_CATEGORY; 75 } 76 77 public void onLineupFound(Bundle args) { 78 if (DEBUG) { 79 Log.d(TAG, "onLineupFound"); 80 } 81 this.args = args; 82 lineups = args.getStringArrayList(KEY_LINEUP_NAMES); 83 lineupNotFound = false; 84 if (contentFragment != null) { 85 updateContentFragment(); 86 } 87 } 88 89 public void onLineupNotFound() { 90 if (DEBUG) { 91 Log.d(TAG, "onLineupNotFound"); 92 } 93 lineupNotFound = true; 94 if (contentFragment != null) { 95 updateContentFragment(); 96 } 97 } 98 99 public void onRetry() { 100 if (DEBUG) { 101 Log.d(TAG, "onRetry"); 102 } 103 if (contentFragment != null) { 104 lineupNotFound = false; 105 lineups = null; 106 updateContentFragment(); 107 } else { 108 // onRetry() can be called only when retry button is clicked. 109 // This should never happen. 110 throw new RuntimeException( 111 "ContentFragment hasn't been created when onRetry() is called"); 112 } 113 } 114 115 @Override 116 protected boolean needsDoneButton() { 117 return false; 118 } 119 120 private void updateContentFragment() { 121 contentFragment = (ContentFragment) onCreateContentFragment(); 122 getChildFragmentManager() 123 .beginTransaction() 124 .replace( 125 com.android.tv.common.R.id.guided_step_fragment_container, 126 contentFragment, 127 SetupMultiPaneFragment.CONTENT_FRAGMENT_TAG) 128 .commit(); 129 } 130 131 /** The content fragment of {@link LineupFragment}. */ 132 public static class ContentFragment extends SetupGuidedStepFragment { 133 134 private ArrayList<String> lineups; 135 private ArrayList<Integer> matchNumbers; 136 private int defaultLineup; 137 private boolean lineupNotFound; 138 139 @Override 140 public void onCreate(Bundle savedInstanceState) { 141 if (savedInstanceState == null) { 142 lineups = getArguments().getStringArrayList(KEY_LINEUP_NAMES); 143 matchNumbers = getArguments().getIntegerArrayList(KEY_MATCH_NUMBERS); 144 defaultLineup = getArguments().getInt(KEY_DEFAULT_LINEUP); 145 this.lineupNotFound = getArguments().getBoolean(KEY_LINEUP_NOT_FOUND); 146 } 147 super.onCreate(savedInstanceState); 148 } 149 150 @Override 151 public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { 152 super.onViewCreated(view, savedInstanceState); 153 int position = findActionPositionById(defaultLineup); 154 if (position >= 0 && position < getActions().size()) { 155 setSelectedActionPosition(position); 156 } 157 } 158 159 @NonNull 160 @Override 161 public Guidance onCreateGuidance(Bundle savedInstanceState) { 162 if ((lineups != null && lineups.isEmpty()) || this.lineupNotFound) { 163 return new Guidance( 164 getString(R.string.ut_lineup_title_lineups_not_found), 165 getString(R.string.ut_lineup_description_lineups_not_found), 166 getString(R.string.ut_setup_breadcrumb), 167 null); 168 } else if (lineups == null) { 169 return new Guidance( 170 getString(R.string.ut_lineup_title_fetching_lineups), 171 getString(R.string.ut_lineup_description_fetching_lineups), 172 getString(R.string.ut_setup_breadcrumb), 173 null); 174 } 175 return new Guidance( 176 getString(R.string.ut_lineup_title_lineups_found), 177 getString(R.string.ut_lineup_description_lineups_found), 178 getString(R.string.ut_setup_breadcrumb), 179 null); 180 } 181 182 @Override 183 public void onCreateActions( 184 @NonNull List<GuidedAction> actions, Bundle savedInstanceState) { 185 actions.addAll(buildActions()); 186 } 187 188 @Override 189 protected String getActionCategory() { 190 return ACTION_CATEGORY; 191 } 192 193 private List<GuidedAction> buildActions() { 194 List<GuidedAction> actions = new ArrayList<>(); 195 196 if ((lineups != null && lineups.isEmpty()) || this.lineupNotFound) { 197 actions.add( 198 new GuidedAction.Builder(getActivity()) 199 .id(ACTION_ID_RETRY) 200 .title(com.android.tv.common.R.string.action_text_retry) 201 .build()); 202 actions.add( 203 new GuidedAction.Builder(getActivity()) 204 .id(ACTION_SKIP) 205 .title(com.android.tv.common.R.string.action_text_skip) 206 .build()); 207 } else if (lineups == null) { 208 actions.add( 209 new GuidedAction.Builder(getActivity()) 210 .id(ACTION_SKIP) 211 .title(com.android.tv.common.R.string.action_text_skip) 212 .build()); 213 } else { 214 Resources res = getResources(); 215 for (int i = 0; i < lineups.size(); ++i) { 216 int matchNumber = matchNumbers.get(i); 217 String description = 218 matchNumber == 0 219 ? res.getString(R.string.ut_lineup_no_channels_matched) 220 : res.getQuantityString( 221 R.plurals.ut_lineup_channels_matched, 222 matchNumber, 223 matchNumber); 224 actions.add( 225 new GuidedAction.Builder(getActivity()) 226 .id(i) 227 .title(lineups.get(i)) 228 .description(description) 229 .build()); 230 } 231 } 232 return actions; 233 } 234 } 235 } 236
