1 /**
2  * Copyright (c) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.window;
18 
19 import android.content.res.Configuration;
20 import android.os.Bundle;
21 import android.os.IBinder;
22 import android.window.TaskFragmentInfo;
23 
24 /** @hide */
25 oneway interface ITaskFragmentOrganizer {
onTaskFragmentAppeared(in TaskFragmentInfo taskFragmentInfo)26     void onTaskFragmentAppeared(in TaskFragmentInfo taskFragmentInfo);
onTaskFragmentInfoChanged(in TaskFragmentInfo taskFragmentInfo)27     void onTaskFragmentInfoChanged(in TaskFragmentInfo taskFragmentInfo);
onTaskFragmentVanished(in TaskFragmentInfo taskFragmentInfo)28     void onTaskFragmentVanished(in TaskFragmentInfo taskFragmentInfo);
29 
30     /**
31      * Called when the parent leaf Task of organized TaskFragments is changed.
32      * When the leaf Task is changed, the organizer may want to update the TaskFragments in one
33      * transaction.
34      *
35      * For case like screen size change, it will trigger onTaskFragmentParentInfoChanged with new
36      * Task bounds, but may not trigger onTaskFragmentInfoChanged because there can be an override
37      * bounds.
38      */
onTaskFragmentParentInfoChanged(in IBinder fragmentToken, in Configuration parentConfig)39     void onTaskFragmentParentInfoChanged(in IBinder fragmentToken, in Configuration parentConfig);
40 
41     /**
42      * Called when the {@link WindowContainerTransaction} created with
43      * {@link WindowContainerTransaction#setErrorCallbackToken(IBinder)} failed on the server side.
44      *
45      * @param errorCallbackToken    Token set through {@link
46      *                              WindowContainerTransaction#setErrorCallbackToken(IBinder)}
47      * @param exceptionBundle   Bundle containing the exception. Should be created with
48      *                          {@link TaskFragmentOrganizer#putExceptionInBundle}.
49      */
onTaskFragmentError(in IBinder errorCallbackToken, in Bundle exceptionBundle)50     void onTaskFragmentError(in IBinder errorCallbackToken, in Bundle exceptionBundle);
51 }
52