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      1 /*
      2  * Copyright (C) 2016 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.dvr.ui.list;
     18 
     19 import android.os.Bundle;
     20 import android.support.v17.leanback.widget.ClassPresenterSelector;
     21 
     22 import com.android.tv.R;
     23 import com.android.tv.dvr.data.ScheduledRecording;
     24 import com.android.tv.dvr.ui.list.SchedulesHeaderRowPresenter.DateHeaderRowPresenter;
     25 
     26 /**
     27  * A fragment to show the list of schedule recordings.
     28  */
     29 public class DvrSchedulesFragment extends BaseDvrSchedulesFragment {
     30     @Override
     31     public void onCreate(Bundle savedInstanceState) {
     32         super.onCreate(savedInstanceState);
     33         if (getRowsAdapter().size() == 0) {
     34             showEmptyMessage(R.string.dvr_schedules_empty_state);
     35         }
     36     }
     37 
     38     @Override
     39     public SchedulesHeaderRowPresenter onCreateHeaderRowPresenter() {
     40         return new DateHeaderRowPresenter(getContext());
     41     }
     42 
     43     @Override
     44     public ScheduleRowPresenter onCreateRowPresenter() {
     45         return new ScheduleRowPresenter(getContext());
     46     }
     47 
     48     @Override
     49     public ScheduleRowAdapter onCreateRowsAdapter(ClassPresenterSelector presenterSelecor) {
     50         return new ScheduleRowAdapter(getContext(), presenterSelecor);
     51     }
     52 
     53     @Override
     54     public void onScheduledRecordingAdded(ScheduledRecording... scheduledRecordings) {
     55         super.onScheduledRecordingAdded(scheduledRecordings);
     56         if (getRowsAdapter().size() > 0) {
     57             hideEmptyMessage();
     58         }
     59     }
     60 
     61     @Override
     62     public void onScheduledRecordingRemoved(ScheduledRecording... scheduledRecordings) {
     63         super.onScheduledRecordingRemoved(scheduledRecordings);
     64         if (getRowsAdapter().size() == 0) {
     65             showEmptyMessage(R.string.dvr_schedules_empty_state);
     66         }
     67     }
     68 
     69     @Override
     70     protected int getFirstItemPosition() {
     71         Bundle args = getArguments();
     72         ScheduledRecording recording = null;
     73         if (args != null) {
     74             recording = args.getParcelable(SCHEDULES_KEY_SCHEDULED_RECORDING);
     75         }
     76         final int selectedPostion = getRowsAdapter().indexOf(
     77                 getRowsAdapter().findRowByScheduledRecording(recording));
     78         if (selectedPostion != -1) {
     79             return selectedPostion;
     80         }
     81         return super.getFirstItemPosition();
     82     }
     83 }