| /* |
| * 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 android.support.customtabs; |
| |
| import android.os.Bundle; |
| |
| /** |
| * A callback class for custom tabs client to get messages regarding events in their custom tabs. |
| */ |
| public class CustomTabsCallback { |
| /** |
| * Sent when the tab has started loading a page. |
| */ |
| public static final int NAVIGATION_STARTED = 1; |
| |
| /** |
| * Sent when the tab has finished loading a page. |
| */ |
| public static final int NAVIGATION_FINISHED = 2; |
| |
| /** |
| * Sent when the tab couldn't finish loading due to a failure. |
| */ |
| public static final int NAVIGATION_FAILED = 3; |
| |
| /** |
| * Sent when loading was aborted by a user action before it finishes like clicking on a link |
| * or refreshing the page. |
| */ |
| public static final int NAVIGATION_ABORTED = 4; |
| |
| /** |
| * Sent when the tab becomes visible. |
| */ |
| public static final int TAB_SHOWN = 5; |
| |
| /** |
| * Sent when the tab becomes hidden. |
| */ |
| public static final int TAB_HIDDEN = 6; |
| |
| /** |
| * To be called when a navigation event happens. |
| * |
| * @param navigationEvent The code corresponding to the navigation event. |
| * @param extras Reserved for future use. |
| */ |
| public void onNavigationEvent(int navigationEvent, Bundle extras) {} |
| |
| /** |
| * Unsupported callbacks that may be provided by the implementation. |
| * |
| * <p> |
| * <strong>Note:</strong>Clients should <strong>never</strong> rely on this callback to be |
| * called and/or to have a defined behavior, as it is entirely implementation-defined and not |
| * supported. |
| * |
| * <p> This can be used by implementations to add extra callbacks, for testing or experimental |
| * purposes. |
| * |
| * @param callbackName Name of the extra callback. |
| * @param args Arguments for the calback |
| */ |
| public void extraCallback(String callbackName, Bundle args) {} |
| } |