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      1 /*
      2  * Copyright (C) 2015 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.ui.sidepanel;
     18 
     19 import android.app.Activity;
     20 
     21 import com.android.tv.R;
     22 import com.android.tv.data.DisplayMode;
     23 import com.android.tv.ui.TvViewUiManager;
     24 
     25 import java.util.ArrayList;
     26 import java.util.List;
     27 
     28 public class DisplayModeFragment extends SideFragment {
     29     private static final String TRACKER_LABEL = "display mode";
     30     private TvViewUiManager mTvViewUiManager;
     31 
     32     @Override
     33     protected String getTitle() {
     34         return getString(R.string.side_panel_title_display_mode);
     35     }
     36 
     37     @Override
     38     public String getTrackerLabel() {
     39         return TRACKER_LABEL;
     40     }
     41 
     42     @Override
     43     protected List<Item> getItemList() {
     44         List<Item> items = new ArrayList<>();
     45         for (int i = 0; i < DisplayMode.SIZE_OF_RATIO_TYPES; ++i) {
     46             items.add(new DisplayModeRadioItem(i));
     47         }
     48         return items;
     49     }
     50 
     51     @Override
     52     public void onAttach(Activity activity) {
     53         super.onAttach(activity);
     54         mTvViewUiManager = getMainActivity().getTvViewUiManager();
     55     }
     56 
     57     @Override
     58     public void onResume() {
     59         super.onResume();
     60         setSelectedPosition(mTvViewUiManager.getDisplayMode());
     61     }
     62 
     63     @Override
     64     public void onDetach() {
     65         super.onDetach();
     66         mTvViewUiManager.restoreDisplayMode(true);
     67     }
     68 
     69     private class DisplayModeRadioItem extends RadioButtonItem {
     70         private final int mDisplayMode;
     71 
     72         private DisplayModeRadioItem(int displayMode) {
     73             super(DisplayMode.getLabel(displayMode, getActivity()));
     74             mDisplayMode = displayMode;
     75         }
     76 
     77         @Override
     78         protected void onUpdate() {
     79             super.onUpdate();
     80             setEnabled(mTvViewUiManager.isDisplayModeAvailable(mDisplayMode));
     81             setChecked(mDisplayMode == mTvViewUiManager.getDisplayMode());
     82         }
     83 
     84         @Override
     85         protected void onSelected() {
     86             super.onSelected();
     87             mTvViewUiManager.setDisplayMode(mDisplayMode, true, true);
     88             closeFragment();
     89         }
     90 
     91         @Override
     92         protected void onFocused() {
     93             super.onFocused();
     94             mTvViewUiManager.setDisplayMode(mDisplayMode, false, true);
     95         }
     96     }
     97 }
     98