| /* |
| * 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.os.Bundle; |
| import android.view.KeyEvent; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| import com.android.tv.R; |
| import com.android.tv.util.CaptionSettings; |
| import com.android.tv.util.Utils; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Locale; |
| |
| public class ClosedCaptionFragment extends SideFragment { |
| private static final String TRACKER_LABEL ="closed caption" ; |
| private boolean mResetClosedCaption; |
| private int mClosedCaptionOption; |
| private String mClosedCaptionLanguage; |
| private String mClosedCaptionTrackId; |
| private ClosedCaptionOptionItem mSelectedItem; |
| private List<Item> mItems; |
| private boolean mPaused; |
| |
| public ClosedCaptionFragment() { |
| super(KeyEvent.KEYCODE_CAPTIONS, KeyEvent.KEYCODE_S); |
| } |
| |
| @Override |
| protected String getTitle() { |
| return getString(R.string.side_panel_title_closed_caption); |
| } |
| |
| @Override |
| public String getTrackerLabel() { |
| return TRACKER_LABEL; |
| } |
| |
| @Override |
| protected List<Item> getItemList() { |
| CaptionSettings captionSettings = getMainActivity().getCaptionSettings(); |
| mResetClosedCaption = true; |
| mClosedCaptionOption = captionSettings.getEnableOption(); |
| mClosedCaptionLanguage = captionSettings.getLanguage(); |
| mClosedCaptionTrackId = captionSettings.getTrackId(); |
| |
| mItems = new ArrayList<>(); |
| mSelectedItem = null; |
| |
| List<TvTrackInfo> tracks = getMainActivity().getTracks(TvTrackInfo.TYPE_SUBTITLE); |
| if (tracks != null && !tracks.isEmpty()) { |
| String trackId = captionSettings.isEnabled() ? |
| getMainActivity().getSelectedTrack(TvTrackInfo.TYPE_SUBTITLE) : null; |
| boolean isEnabled = trackId != null; |
| |
| ClosedCaptionOptionItem item = new ClosedCaptionOptionItem( |
| getString(R.string.closed_caption_option_item_off), |
| CaptionSettings.OPTION_OFF, null, null); |
| // Pick 'Off' as default because we may fail to find the matching language. |
| mSelectedItem = item; |
| if (!isEnabled) { |
| item.setChecked(true); |
| } |
| mItems.add(item); |
| |
| for (final TvTrackInfo track : tracks) { |
| item = new ClosedCaptionOptionItem(getLabel(track), |
| CaptionSettings.OPTION_ON, track.getId(), track.getLanguage()); |
| if (isEnabled && track.getId().equals(trackId)) { |
| item.setChecked(true); |
| mSelectedItem = item; |
| } |
| mItems.add(item); |
| } |
| } |
| if (getMainActivity().hasCaptioningSettingsActivity()) { |
| mItems.add(new ActionItem(getString(R.string.closed_caption_system_settings), |
| getString(R.string.closed_caption_system_settings_description)) { |
| @Override |
| protected void onSelected() { |
| getMainActivity().startSystemCaptioningSettingsActivity(); |
| } |
| |
| @Override |
| protected void onFocused() { |
| super.onFocused(); |
| if (!mPaused && mSelectedItem != null) { |
| getMainActivity().selectSubtitleTrack( |
| mSelectedItem.mOption, mSelectedItem.mTrackId); |
| } |
| } |
| }); |
| } |
| return mItems; |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| return super.onCreateView(inflater, container, savedInstanceState); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| if (mPaused) { |
| // Apply system's closed caption settings to the UI. |
| CaptionSettings captionSettings = getMainActivity().getCaptionSettings(); |
| mClosedCaptionOption = CaptionSettings.OPTION_SYSTEM; |
| mClosedCaptionLanguage = captionSettings.getSystemLanguage(); |
| ClosedCaptionOptionItem selectedItem = null; |
| if (captionSettings.isSystemSettingEnabled()) { |
| for (Item item : mItems) { |
| if (!(item instanceof ClosedCaptionOptionItem)) { |
| continue; |
| } |
| ClosedCaptionOptionItem captionItem = (ClosedCaptionOptionItem) item; |
| if (Utils.isEqualLanguage(captionItem.mLanguage, mClosedCaptionLanguage)) { |
| selectedItem = captionItem; |
| break; |
| } |
| } |
| } |
| if (mSelectedItem != null) { |
| mSelectedItem.setChecked(false); |
| } |
| if (selectedItem == null && mItems.get(0) instanceof ClosedCaptionOptionItem) { |
| selectedItem = (ClosedCaptionOptionItem) mItems.get(0); |
| } |
| if (selectedItem != null) { |
| selectedItem.setChecked(true); |
| } |
| // We shouldn't call MainActivity.selectSubtitleTrack() here because |
| // 1. Tracks are not available because video is just started at this moment. |
| // 2. MainActivity will apply system settings when video's tracks are available. |
| mSelectedItem = selectedItem; |
| } |
| mPaused = false; |
| } |
| |
| @Override |
| public void onPause() { |
| super.onPause(); |
| mPaused = true; |
| } |
| |
| @Override |
| public void onDestroyView() { |
| if (mResetClosedCaption) { |
| getMainActivity().selectSubtitleLanguage(mClosedCaptionOption, mClosedCaptionLanguage, |
| mClosedCaptionTrackId); |
| } |
| super.onDestroyView(); |
| } |
| |
| private String getLabel(TvTrackInfo track) { |
| if (track.getLanguage() != null) { |
| return new Locale(track.getLanguage()).getDisplayName(); |
| } |
| return getString(R.string.default_language); |
| } |
| |
| private class ClosedCaptionOptionItem extends RadioButtonItem { |
| private final int mOption; |
| private final String mTrackId; |
| private final String mLanguage; |
| |
| private ClosedCaptionOptionItem(String title, int option, String trackId, String language) { |
| super(title); |
| mOption = option; |
| mTrackId = trackId; |
| mLanguage = language; |
| } |
| |
| @Override |
| protected void onSelected() { |
| super.onSelected(); |
| mSelectedItem = this; |
| getMainActivity().selectSubtitleTrack(mOption, mTrackId); |
| mResetClosedCaption = false; |
| closeFragment(); |
| } |
| |
| @Override |
| protected void onFocused() { |
| super.onFocused(); |
| getMainActivity().selectSubtitleTrack(mOption, mTrackId); |
| } |
| } |
| } |