| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.deskclock.timer; |
| |
| import android.app.Fragment; |
| import android.app.FragmentManager; |
| import android.content.SharedPreferences; |
| import android.support.v4.view.PagerAdapter; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| |
| public class TimerFragmentAdapter extends FragmentStatePagerAdapter2 { |
| |
| private final ArrayList<TimerObj> mTimerList = new ArrayList<TimerObj>(); |
| private final SharedPreferences mSharedPrefs; |
| |
| public TimerFragmentAdapter(FragmentManager fm, SharedPreferences sharedPreferences) { |
| super(fm); |
| mSharedPrefs = sharedPreferences; |
| } |
| |
| @Override |
| public int getItemPosition(Object object) { |
| // Force return NONE so that the adapter always assumes the item position has changed |
| return PagerAdapter.POSITION_NONE; |
| } |
| |
| @Override |
| public int getCount() { |
| return mTimerList.size(); |
| } |
| |
| @Override |
| public Fragment getItem(int position) { |
| return TimerItemFragment.newInstance(mTimerList.get(position)); |
| } |
| |
| public void addTimer(TimerObj timer) { |
| // Newly created timer should always show on the top of the list |
| mTimerList.add(0, timer); |
| notifyDataSetChanged(); |
| } |
| |
| public TimerObj getTimerAt(int position) { |
| return mTimerList.get(position); |
| } |
| |
| public void saveTimersToSharedPrefs() { |
| TimerObj.putTimersInSharedPrefs(mSharedPrefs, mTimerList); |
| } |
| |
| public void populateTimersFromPref() { |
| mTimerList.clear(); |
| TimerObj.getTimersFromSharedPrefs(mSharedPrefs, mTimerList); |
| Collections.sort(mTimerList, new Comparator<TimerObj>() { |
| @Override |
| public int compare(TimerObj o1, TimerObj o2) { |
| return (o2.mTimerId < o1.mTimerId) ? -1 : 1; |
| } |
| }); |
| |
| notifyDataSetChanged(); |
| } |
| |
| public void deleteTimer(int id) { |
| for (int i = 0; i < mTimerList.size(); i++) { |
| TimerObj timer = mTimerList.get(i); |
| if (timer.mTimerId == id) { |
| if (timer.mView != null) { |
| timer.mView.stop(); |
| } |
| timer.deleteFromSharedPref(mSharedPrefs); |
| mTimerList.remove(i); |
| break; |
| } |
| } |
| |
| notifyDataSetChanged(); |
| return; |
| } |
| |
| // Return position of the timer with the given timerId. If the timer is not in the list, |
| // return 0 so we get the position of the newest timer. |
| public int getTimerPosition(int id) { |
| for (int i = 0; i < mTimerList.size(); i++) { |
| TimerObj timer = mTimerList.get(i); |
| if (timer.mTimerId == id) { |
| return i; |
| } |
| } |
| return 0; |
| } |
| } |