| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.webapk.lib.common; |
| |
| import android.app.Service; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.IBinder; |
| import android.util.Log; |
| |
| import java.lang.reflect.Method; |
| |
| /** |
| * Child process service hosted by WebAPKs. This class uses Chrome's ClassLoader to create a |
| * {@link ChildProcessServiceImpl} object which loads Chrome's native libraries, initializes JNI |
| * and creates the renderer. |
| */ |
| public class WebApkSandboxedProcessService extends Service { |
| // Note: the {@link CHILD_PROCESS_SERVICE_IMPL_CLASS_NAME} must sync with the class name |
| // of Chrome's {@link ChildProcessServiceImpl}. |
| private static final String CHILD_PROCESS_SERVICE_IMPL_CLASS_NAME = |
| "org.chromium.content.app.ChildProcessServiceImpl"; |
| private static final String TAG = "cr_WebApkSandboxedProcessService"; |
| |
| private Class<?> mChildProcessServiceImplClass; |
| private Object mChildProcessServiceImplInstance; |
| |
| @Override |
| public void onCreate() { |
| super.onCreate(); |
| |
| try { |
| Context hostBrowserContext = |
| WebApkUtils.getHostBrowserContext(getApplicationContext()); |
| ClassLoader classLoader = hostBrowserContext.getClassLoader(); |
| mChildProcessServiceImplClass = |
| classLoader.loadClass(CHILD_PROCESS_SERVICE_IMPL_CLASS_NAME); |
| mChildProcessServiceImplInstance = mChildProcessServiceImplClass.newInstance(); |
| |
| Method createMethod = mChildProcessServiceImplClass.getMethod("create", |
| Context.class, Context.class); |
| createMethod.invoke(mChildProcessServiceImplInstance, getApplicationContext(), |
| hostBrowserContext); |
| } catch (Exception e) { |
| Log.v(TAG, "Unable to create a ChildProcessServiceImpl for the WebAPK.", e); |
| } |
| } |
| |
| @Override |
| public IBinder onBind(Intent intent) { |
| // We call stopSelf() to request that this service be stopped as soon as the client |
| // unbinds. Otherwise the system may keep it around and available for a reconnect. The |
| // child processes do not currently support reconnect; they must be initialized from |
| // scratch every time. |
| stopSelf(); |
| try { |
| Method bindMethod = mChildProcessServiceImplClass.getMethod( |
| "bind", Intent.class); |
| return (IBinder) bindMethod.invoke(mChildProcessServiceImplInstance, intent); |
| } catch (Exception e) { |
| Log.v(TAG, "Unable to bind to the WebApkSandboxedProcessService.", e); |
| } |
| return null; |
| } |
| |
| @Override |
| public void onDestroy() { |
| super.onDestroy(); |
| try { |
| Method destroyMethod = mChildProcessServiceImplClass.getMethod("destroy"); |
| destroyMethod.invoke(mChildProcessServiceImplInstance); |
| } catch (Exception e) { |
| Log.v(TAG, "Unable to destroy the WebApkSandboxedProcessService.", e); |
| } |
| } |
| } |