| /* |
| * 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.menu; |
| |
| import com.android.tv.menu.Menu.MenuShowReason; |
| import java.util.List; |
| |
| /** An base interface for menu view. */ |
| public interface IMenuView { |
| /** Sets menu rows. */ |
| void setMenuRows(List<MenuRow> menuRows); |
| |
| /** |
| * Shows the main menu. |
| * |
| * <p>The inherited class should show the menu and select the row corresponding to {@code |
| * rowIdToSelect}. If the menu is already visible, change the current selection to the given |
| * row. |
| * |
| * @param reason A reason why this is called. See {@link MenuShowReason}. |
| * @param rowIdToSelect An ID of the row which corresponds to the {@code reason}. |
| */ |
| void onShow(@MenuShowReason int reason, String rowIdToSelect, Runnable runnableAfterShow); |
| |
| /** Hides the main menu */ |
| void onHide(); |
| |
| /** |
| * Updates the menu contents. |
| * |
| * <p>Returns <@code true> if the contents have been changed, otherwise {@code false}. |
| */ |
| boolean update(boolean menuActive); |
| |
| /** |
| * Updates the menu row. |
| * |
| * <p>Returns <@code true> if the contents have been changed, otherwise {@code false}. |
| */ |
| boolean update(String rowId, boolean menuActive); |
| |
| /** Checks if the menu view is visible or not. */ |
| boolean isVisible(); |
| } |