1 /*
2  * Copyright (C) 2014 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.webkit;
18 
19 import android.content.pm.PackageInfo;
20 import android.webkit.WebViewProviderInfo;
21 import android.webkit.WebViewProviderResponse;
22 
23 /**
24  * Private service to wait for the updatable WebView to be ready for use.
25  * @hide
26  */
27 interface IWebViewUpdateService {
28 
29     /**
30      * Used by the relro file creator to notify the service that it's done.
31      */
notifyRelroCreationCompleted()32     void notifyRelroCreationCompleted();
33 
34     /**
35      * Used by WebViewFactory to block loading of WebView code until
36      * preparations are complete. Returns the package used as WebView provider.
37      */
waitForAndGetProvider()38     WebViewProviderResponse waitForAndGetProvider();
39 
40     /**
41      * DevelopmentSettings uses this to notify WebViewUpdateService that a new provider has been
42      * selected by the user. Returns the provider we end up switching to, this could be different to
43      * the one passed as argument to this method since the Dev Setting calling this method could be
44      * stale. I.e. the Dev setting could be letting the user choose uninstalled/disabled packages,
45      * it would then try to update the provider to such a package while in reality the update
46      * service would switch to another one.
47      */
changeProviderAndSetting(String newProvider)48     String changeProviderAndSetting(String newProvider);
49 
50     /**
51      * DevelopmentSettings uses this to get the current available WebView
52      * providers (to display as choices to the user).
53      */
54     @UnsupportedAppUsage
getValidWebViewPackages()55     WebViewProviderInfo[] getValidWebViewPackages();
56 
57     /**
58      * Fetch all packages that could potentially implement WebView.
59      */
getAllWebViewPackages()60     WebViewProviderInfo[] getAllWebViewPackages();
61 
62     /**
63      * Used by DevelopmentSetting to get the name of the WebView provider currently in use.
64      */
65     @UnsupportedAppUsage
getCurrentWebViewPackageName()66     String getCurrentWebViewPackageName();
67 
68     /**
69      * Used by public API for debugging purposes.
70      */
getCurrentWebViewPackage()71     PackageInfo getCurrentWebViewPackage();
72 
73     /**
74      * Used by Settings to determine whether multiprocess is enabled.
75      */
isMultiProcessEnabled()76     boolean isMultiProcessEnabled();
77 
78     /**
79      * Used by Settings to enable/disable multiprocess.
80      */
enableMultiProcess(boolean enable)81     void enableMultiProcess(boolean enable);
82 }
83