1 /* 2 * Copyright (C) 2014 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.deskclock.timer; 18 19 import android.app.Fragment; 20 import android.app.FragmentManager; 21 import android.content.SharedPreferences; 22 import android.support.v4.view.PagerAdapter; 23 24 import java.util.ArrayList; 25 import java.util.Collections; 26 import java.util.Comparator; 27 28 public class TimerFragmentAdapter extends FragmentStatePagerAdapter2 { 29 30 private final ArrayList<TimerObj> mTimerList = new ArrayList<TimerObj>(); 31 private final SharedPreferences mSharedPrefs; 32 TimerFragmentAdapter(FragmentManager fm, SharedPreferences sharedPreferences)33 public TimerFragmentAdapter(FragmentManager fm, SharedPreferences sharedPreferences) { 34 super(fm); 35 mSharedPrefs = sharedPreferences; 36 } 37 38 @Override getItemPosition(Object object)39 public int getItemPosition(Object object) { 40 // Force return NONE so that the adapter always assumes the item position has changed 41 return PagerAdapter.POSITION_NONE; 42 } 43 44 @Override getCount()45 public int getCount() { 46 return mTimerList.size(); 47 } 48 49 @Override getItem(int position)50 public Fragment getItem(int position) { 51 return TimerItemFragment.newInstance(mTimerList.get(position)); 52 } 53 addTimer(TimerObj timer)54 public void addTimer(TimerObj timer) { 55 // Newly created timer should always show on the top of the list 56 mTimerList.add(0, timer); 57 notifyDataSetChanged(); 58 } 59 getTimerAt(int position)60 public TimerObj getTimerAt(int position) { 61 return mTimerList.get(position); 62 } 63 saveTimersToSharedPrefs()64 public void saveTimersToSharedPrefs() { 65 TimerObj.putTimersInSharedPrefs(mSharedPrefs, mTimerList); 66 } 67 populateTimersFromPref()68 public void populateTimersFromPref() { 69 mTimerList.clear(); 70 TimerObj.getTimersFromSharedPrefs(mSharedPrefs, mTimerList); 71 Collections.sort(mTimerList, new Comparator<TimerObj>() { 72 @Override 73 public int compare(TimerObj o1, TimerObj o2) { 74 return (o2.mTimerId < o1.mTimerId) ? -1 : 1; 75 } 76 }); 77 78 notifyDataSetChanged(); 79 } 80 deleteTimer(int id)81 public void deleteTimer(int id) { 82 for (int i = 0; i < mTimerList.size(); i++) { 83 TimerObj timer = mTimerList.get(i); 84 if (timer.mTimerId == id) { 85 if (timer.mView != null) { 86 timer.mView.stop(); 87 } 88 timer.deleteFromSharedPref(mSharedPrefs); 89 mTimerList.remove(i); 90 break; 91 } 92 } 93 94 notifyDataSetChanged(); 95 return; 96 } 97 } 98