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| 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 Chrome's ClassLoader
to create a |
| 17 * {@link ChildProcessServiceImpl} object which loads Chrome's native libraries,
initializes JNI |
| 18 * and creates the renderer. |
| 19 */ |
| 20 public class WebApkSandboxedProcessService extends Service { |
| 21 // Note: the {@link CHILD_PROCESS_SERVICE_IMPL_CLASS_NAME} must sync with th
e class name |
| 22 // of Chrome's {@link ChildProcessServiceImpl}. |
| 23 private static final String CHILD_PROCESS_SERVICE_IMPL_CLASS_NAME = |
| 24 "org.chromium.content.app.ChildProcessServiceImpl"; |
| 25 private static final String TAG = "cr_WebApkSandboxedProcessService"; |
| 26 |
| 27 private Class<?> mChildProcessServiceImplClass; |
| 28 private Object mChildProcessServiceImplInstance; |
| 29 |
| 30 @Override |
| 31 public void onCreate() { |
| 32 super.onCreate(); |
| 33 |
| 34 try { |
| 35 Context hostBrowserContext = |
| 36 WebApkUtils.getHostBrowserContext(getApplicationContext()); |
| 37 ClassLoader classLoader = hostBrowserContext.getClassLoader(); |
| 38 mChildProcessServiceImplClass = |
| 39 classLoader.loadClass(CHILD_PROCESS_SERVICE_IMPL_CLASS_NAME)
; |
| 40 mChildProcessServiceImplInstance = mChildProcessServiceImplClass.new
Instance(); |
| 41 |
| 42 Method createMethod = mChildProcessServiceImplClass.getMethod("creat
e", |
| 43 Context.class, Context.class); |
| 44 createMethod.invoke(mChildProcessServiceImplInstance, getApplication
Context(), |
| 45 hostBrowserContext); |
| 46 } catch (Exception e) { |
| 47 Log.v(TAG, "Unable to create a ChildProcessServiceImpl for the WebAP
K.", e); |
| 48 } |
| 49 } |
| 50 |
| 51 @Override |
| 52 public IBinder onBind(Intent intent) { |
| 53 // We call stopSelf() to request that this service be stopped as soon as
the client |
| 54 // unbinds. Otherwise the system may keep it around and available for a
reconnect. The |
| 55 // child processes do not currently support reconnect; they must be init
ialized from |
| 56 // scratch every time. |
| 57 stopSelf(); |
| 58 try { |
| 59 Method bindMethod = mChildProcessServiceImplClass.getMethod( |
| 60 "bind", Intent.class); |
| 61 return (IBinder) bindMethod.invoke(mChildProcessServiceImplInstance,
intent); |
| 62 } catch (Exception e) { |
| 63 Log.v(TAG, "Unable to bind to the WebApkSandboxedProcessService.", e
); |
| 64 } |
| 65 return null; |
| 66 } |
| 67 |
| 68 @Override |
| 69 public void onDestroy() { |
| 70 super.onDestroy(); |
| 71 try { |
| 72 Method destroyMethod = mChildProcessServiceImplClass.getMethod("dest
roy"); |
| 73 destroyMethod.invoke(mChildProcessServiceImplInstance); |
| 74 } catch (Exception e) { |
| 75 Log.v(TAG, "Unable to destroy the WebApkSandboxedProcessService.", e
); |
| 76 } |
| 77 } |
| 78 } |
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