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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.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();
}
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