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/*
* Copyright (C) 2015 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.tv.ui.sidepanel;
import android.media.tv.TvTrackInfo;
import android.text.TextUtils;
import android.view.KeyEvent;
import com.android.tv.R;
import com.android.tv.util.Utils;
import java.util.ArrayList;
import java.util.List;
public class MultiAudioFragment extends SideFragment {
private static final String TRACKER_LABEL = "multi-audio";
private int mInitialSelectedPosition = INVALID_POSITION;
private String mSelectedTrackId;
private String mFocusedTrackId;
public MultiAudioFragment() {
super(KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK, KeyEvent.KEYCODE_A);
}
@Override
protected String getTitle() {
return getString(R.string.side_panel_title_multi_audio);
}
@Override
public String getTrackerLabel() {
return TRACKER_LABEL;
}
@Override
protected List<Item> getItemList() {
List<TvTrackInfo> tracks = getMainActivity().getTracks(TvTrackInfo.TYPE_AUDIO);
mSelectedTrackId = getMainActivity().getSelectedTrack(TvTrackInfo.TYPE_AUDIO);
List<Item> items = new ArrayList<>();
if (tracks != null) {
boolean needToShowSampleRate = Utils.needToShowSampleRate(getActivity(), tracks);
int pos = 0;
for (final TvTrackInfo track : tracks) {
RadioButtonItem item =
new MultiAudioOptionItem(
Utils.getMultiAudioString(
getActivity(), track, needToShowSampleRate),
track.getId());
if (track.getId().equals(mSelectedTrackId)) {
item.setChecked(true);
mInitialSelectedPosition = pos;
mSelectedTrackId = mFocusedTrackId = track.getId();
}
items.add(item);
++pos;
}
}
return items;
}
@Override
public void onResume() {
super.onResume();
if (mInitialSelectedPosition != INVALID_POSITION) {
setSelectedPosition(mInitialSelectedPosition);
}
}
private class MultiAudioOptionItem extends RadioButtonItem {
private final String mTrackId;
private MultiAudioOptionItem(String title, String trackId) {
super(title);
mTrackId = trackId;
}
@Override
protected void onSelected() {
super.onSelected();
mSelectedTrackId = mFocusedTrackId = mTrackId;
getMainActivity().selectAudioTrack(mTrackId);
closeFragment();
}
@Override
protected void onFocused() {
super.onFocused();
mFocusedTrackId = mTrackId;
getMainActivity().selectAudioTrack(mTrackId);
}
}
@Override
public void onDetach() {
if (!TextUtils.equals(mSelectedTrackId, mFocusedTrackId)) {
getMainActivity().selectAudioTrack(mSelectedTrackId);
}
super.onDetach();
}
}
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