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
getTitle()33     protected String getTitle() {
34         return getString(R.string.side_panel_title_display_mode);
35     }
36 
37     @Override
getTrackerLabel()38     public String getTrackerLabel() {
39         return TRACKER_LABEL;
40     }
41 
42     @Override
getItemList()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
onAttach(Activity activity)52     public void onAttach(Activity activity) {
53         super.onAttach(activity);
54         mTvViewUiManager = getMainActivity().getTvViewUiManager();
55     }
56 
57     @Override
onResume()58     public void onResume() {
59         super.onResume();
60         setSelectedPosition(mTvViewUiManager.getDisplayMode());
61     }
62 
63     @Override
onDetach()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 
DisplayModeRadioItem(int displayMode)72         private DisplayModeRadioItem(int displayMode) {
73             super(DisplayMode.getLabel(displayMode, getActivity()));
74             mDisplayMode = displayMode;
75         }
76 
77         @Override
onUpdate()78         protected void onUpdate() {
79             super.onUpdate();
80             setEnabled(mTvViewUiManager.isDisplayModeAvailable(mDisplayMode));
81             setChecked(mDisplayMode == mTvViewUiManager.getDisplayMode());
82         }
83 
84         @Override
onSelected()85         protected void onSelected() {
86             super.onSelected();
87             mTvViewUiManager.setDisplayMode(mDisplayMode, true, true);
88             closeFragment();
89         }
90 
91         @Override
onFocused()92         protected void onFocused() {
93             super.onFocused();
94             mTvViewUiManager.setDisplayMode(mDisplayMode, false, true);
95         }
96     }
97 }
98