| /* |
| * Copyright (C) 2016 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.dvr.ui.list; |
| |
| import android.os.Bundle; |
| import android.support.v17.leanback.app.DetailsFragment; |
| import android.support.v17.leanback.widget.ClassPresenterSelector; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.TextView; |
| |
| import com.android.tv.ApplicationSingletons; |
| import com.android.tv.R; |
| import com.android.tv.TvApplication; |
| import com.android.tv.dvr.DvrDataManager; |
| import com.android.tv.dvr.DvrScheduleManager; |
| import com.android.tv.dvr.data.ScheduledRecording; |
| |
| /** |
| * A base fragment to show the list of schedule recordings. |
| */ |
| public abstract class BaseDvrSchedulesFragment extends DetailsFragment |
| implements DvrDataManager.ScheduledRecordingListener, |
| DvrScheduleManager.OnConflictStateChangeListener { |
| /** |
| * The key for scheduled recording which has be selected in the list. |
| */ |
| public static final String SCHEDULES_KEY_SCHEDULED_RECORDING = |
| "schedules_key_scheduled_recording"; |
| |
| private ScheduleRowAdapter mRowsAdapter; |
| private TextView mEmptyInfoScreenView; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| ClassPresenterSelector presenterSelector = new ClassPresenterSelector(); |
| presenterSelector.addClassPresenter(SchedulesHeaderRow.class, onCreateHeaderRowPresenter()); |
| presenterSelector.addClassPresenter(ScheduleRow.class, onCreateRowPresenter()); |
| mRowsAdapter = onCreateRowsAdapter(presenterSelector); |
| setAdapter(mRowsAdapter); |
| mRowsAdapter.start(); |
| ApplicationSingletons singletons = TvApplication.getSingletons(getContext()); |
| singletons.getDvrDataManager().addScheduledRecordingListener(this); |
| singletons.getDvrScheduleManager().addOnConflictStateChangeListener(this); |
| mEmptyInfoScreenView = (TextView) getActivity().findViewById(R.id.empty_info_screen); |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| View view = super.onCreateView(inflater, container, savedInstanceState); |
| int firstItemPosition = getFirstItemPosition(); |
| if (firstItemPosition != -1) { |
| getRowsFragment().setSelectedPosition(firstItemPosition, false); |
| } |
| return view; |
| } |
| |
| /** |
| * Returns rows adapter. |
| */ |
| protected ScheduleRowAdapter getRowsAdapter() { |
| return mRowsAdapter; |
| } |
| |
| /** |
| * Shows the empty message. |
| */ |
| void showEmptyMessage(int messageId) { |
| mEmptyInfoScreenView.setText(messageId); |
| if (mEmptyInfoScreenView.getVisibility() != View.VISIBLE) { |
| mEmptyInfoScreenView.setVisibility(View.VISIBLE); |
| } |
| } |
| |
| /** |
| * Hides the empty message. |
| */ |
| void hideEmptyMessage() { |
| if (mEmptyInfoScreenView.getVisibility() == View.VISIBLE) { |
| mEmptyInfoScreenView.setVisibility(View.GONE); |
| } |
| } |
| |
| @Override |
| public View onInflateTitleView(LayoutInflater inflater, ViewGroup parent, |
| Bundle savedInstanceState) { |
| // Workaround of b/31046014 |
| return null; |
| } |
| |
| @Override |
| public void onDestroy() { |
| ApplicationSingletons singletons = TvApplication.getSingletons(getContext()); |
| singletons.getDvrScheduleManager().removeOnConflictStateChangeListener(this); |
| singletons.getDvrDataManager().removeScheduledRecordingListener(this); |
| mRowsAdapter.stop(); |
| super.onDestroy(); |
| } |
| |
| /** |
| * Creates header row presenter. |
| */ |
| public abstract SchedulesHeaderRowPresenter onCreateHeaderRowPresenter(); |
| |
| /** |
| * Creates rows presenter. |
| */ |
| public abstract ScheduleRowPresenter onCreateRowPresenter(); |
| |
| /** |
| * Creates rows adapter. |
| */ |
| public abstract ScheduleRowAdapter onCreateRowsAdapter(ClassPresenterSelector presenterSelecor); |
| |
| /** |
| * Gets the first focus position in schedules list. |
| */ |
| protected int getFirstItemPosition() { |
| for (int i = 0; i < mRowsAdapter.size(); i++) { |
| if (mRowsAdapter.get(i) instanceof ScheduleRow) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| @Override |
| public void onScheduledRecordingAdded(ScheduledRecording... scheduledRecordings) { |
| if (mRowsAdapter != null) { |
| for (ScheduledRecording recording : scheduledRecordings) { |
| mRowsAdapter.onScheduledRecordingAdded(recording); |
| } |
| } |
| } |
| |
| @Override |
| public void onScheduledRecordingRemoved(ScheduledRecording... scheduledRecordings) { |
| if (mRowsAdapter != null) { |
| for (ScheduledRecording recording : scheduledRecordings) { |
| mRowsAdapter.onScheduledRecordingRemoved(recording); |
| } |
| } |
| } |
| |
| @Override |
| public void onScheduledRecordingStatusChanged(ScheduledRecording... scheduledRecordings) { |
| if (mRowsAdapter != null) { |
| for (ScheduledRecording recording : scheduledRecordings) { |
| mRowsAdapter.onScheduledRecordingUpdated(recording, false); |
| } |
| } |
| } |
| |
| @Override |
| public void onConflictStateChange(boolean conflict, ScheduledRecording... schedules) { |
| if (mRowsAdapter != null) { |
| for (ScheduledRecording recording : schedules) { |
| mRowsAdapter.onScheduledRecordingUpdated(recording, true); |
| } |
| } |
| } |
| } |