OLD | NEW |
---|---|
(Empty) | |
1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 package org.chromium.webapk.lib.common; | |
6 | |
7 import android.app.Service; | |
8 import android.content.Context; | |
9 import android.content.Intent; | |
10 import android.os.IBinder; | |
11 import android.util.Log; | |
12 | |
13 import java.lang.reflect.Method; | |
14 | |
15 /** | |
16 * Child process service hosted by WebAPKs. This class uses BaseDexClassLoader t o load Chrome's | |
17 * {@link ChildProcessServiceImpl} which loads Chrome's native libraries, initia lizes JNI and | |
18 * creates renderer processes. | |
pkotwicz
2016/06/15 14:13:50
Nit: Can you please update the comment? This class
Xi Han
2016/06/15 17:10:39
Done.
| |
19 */ | |
20 public class WebApkSandboxedProcessService extends Service { | |
21 private static final String CHILD_PROCESS_SERVICE_IMPL = | |
pkotwicz
2016/06/15 14:13:50
Nit: Rename to CHILD_PROCESS_SERVICE_IMPL_CLASS_NA
Xi Han
2016/06/15 17:10:39
Done.
| |
22 "org.chromium.content.app.ChildProcessServiceImpl"; | |
23 private static final String TAG = "cr_WebApkSandboxedProcessService"; | |
24 | |
25 private Class<?> mChildProcessServiceImplClass; | |
26 private Object mChildProcessServiceImplInstance; | |
27 private static ClassLoader sClassLoader; | |
28 | |
29 /** | |
30 * Gets/creates ClassLoader for loading {@link CHILD_PROCESS_SERVICE_IMPL}. | |
31 * @param context WebAPK's context. | |
32 * @return The ClassLoader. | |
33 */ | |
34 private static ClassLoader getClassLoaderInstance(Context context) { | |
35 if (sClassLoader == null) { | |
36 sClassLoader = createClassLoader(context); | |
37 } | |
38 return sClassLoader; | |
39 } | |
40 | |
41 /** | |
42 * Creates ClassLoader for loading {@link CHILD_PROCESS_SERVICE_IMPL}. | |
43 * @param context WebAPK's context. | |
44 * @return The ClassLoader. | |
45 */ | |
46 private static ClassLoader createClassLoader(Context context) { | |
47 Context remoteContext = WebApkUtils.getHostBrowserContext(context); | |
48 return remoteContext.getClassLoader(); | |
49 } | |
50 | |
51 @Override | |
52 public void onCreate() { | |
53 super.onCreate(); | |
54 | |
55 try { | |
pkotwicz
2016/06/15 14:13:50
Can you just do:
Context hostBrowserContext = WebA
Xi Han
2016/06/15 17:10:39
You are right, removed since we have to call the W
pkotwicz
2016/06/15 17:51:00
Thank you for making this change!
| |
56 ClassLoader classLoader = getClassLoaderInstance( | |
57 getApplicationContext()); | |
58 mChildProcessServiceImplClass = | |
59 classLoader.loadClass(CHILD_PROCESS_SERVICE_IMPL); | |
60 mChildProcessServiceImplInstance = mChildProcessServiceImplClass.new Instance(); | |
61 | |
62 Method createMethod = mChildProcessServiceImplClass.getMethod("creat e", | |
63 Context.class, Context.class); | |
64 createMethod.invoke(mChildProcessServiceImplInstance, getApplication Context(), | |
65 WebApkUtils.getHostBrowserContext(getApplicationContext())); | |
66 } catch (Exception e) { | |
67 Log.d(TAG, "Unable to create a ChildProcessServiceImpl for the WebAP K."); | |
68 e.printStackTrace(); | |
69 } | |
70 } | |
71 | |
72 @Override | |
73 public IBinder onBind(Intent intent) { | |
74 // We call stopSelf() to request that this service be stopped as soon as the client | |
75 // unbinds. Otherwise the system may keep it around and available for a reconnect. The | |
76 // child processes do not currently support reconnect; they must be init ialized from | |
77 // scratch every time. | |
78 stopSelf(); | |
79 try { | |
80 Method bindMethod = mChildProcessServiceImplClass.getMethod( | |
81 "bind", Intent.class); | |
82 return (IBinder) bindMethod.invoke(mChildProcessServiceImplInstance, intent); | |
83 } catch (Exception e) { | |
84 Log.d(TAG, "Unable to bind to the WebApkSandboxedProcessService."); | |
85 e.printStackTrace(); | |
86 } | |
87 return null; | |
88 } | |
89 | |
90 @Override | |
91 public void onDestroy() { | |
92 super.onDestroy(); | |
93 try { | |
94 Method destroyMethod = mChildProcessServiceImplClass.getMethod("dest roy"); | |
95 destroyMethod.invoke(mChildProcessServiceImplInstance); | |
96 } catch (Exception e) { | |
97 Log.d(TAG, "Unable to destroy the WebApkSandboxedProcessService."); | |
98 e.printStackTrace(); | |
99 } | |
100 } | |
101 } | |
OLD | NEW |