| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.chrome.browser.tabmodel; |
| |
| import org.chromium.chrome.browser.tab.Tab; |
| |
| /** |
| * An empty implementation of {@link TabModelFilter} interface. This is a {@link TabList} that |
| * contains the same {@link Tab}s as {@link TabModel} does. |
| */ |
| public class EmptyTabModelFilter extends TabModelFilter { |
| public EmptyTabModelFilter(TabModel tabModel) { |
| super(tabModel); |
| } |
| |
| // TabModelFilter implementation. |
| @Override |
| protected void addTab(Tab tab) {} |
| |
| @Override |
| protected void closeTab(Tab tab) {} |
| |
| @Override |
| protected void selectTab(Tab tab) {} |
| |
| @Override |
| protected void reorder() {} |
| |
| @Override |
| protected void resetFilterStateInternal() {} |
| |
| // TabList implementation. |
| @Override |
| public boolean isIncognito() { |
| return getTabModel().isIncognito(); |
| } |
| |
| @Override |
| public int index() { |
| return getTabModel().index(); |
| } |
| |
| @Override |
| public int getCount() { |
| return getTabModel().getCount(); |
| } |
| |
| @Override |
| public Tab getTabAt(int index) { |
| return getTabModel().getTabAt(index); |
| } |
| |
| @Override |
| public int indexOf(Tab tab) { |
| return getTabModel().indexOf(tab); |
| } |
| |
| @Override |
| public boolean isClosurePending(int tabId) { |
| return getTabModel().isClosurePending(tabId); |
| } |
| } |