| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.server.webkit; |
| |
| import android.os.RemoteException; |
| import android.os.ShellCommand; |
| import android.webkit.IWebViewUpdateService; |
| |
| import java.io.PrintWriter; |
| |
| class WebViewUpdateServiceShellCommand extends ShellCommand { |
| final IWebViewUpdateService mInterface; |
| |
| WebViewUpdateServiceShellCommand(IWebViewUpdateService service) { |
| mInterface = service; |
| } |
| |
| @Override |
| public int onCommand(String cmd) { |
| if (cmd == null) { |
| return handleDefaultCommands(cmd); |
| } |
| |
| final PrintWriter pw = getOutPrintWriter(); |
| try { |
| switch(cmd) { |
| case "enable-redundant-packages": |
| return enableFallbackLogic(false); |
| case "disable-redundant-packages": |
| return enableFallbackLogic(true); |
| case "set-webview-implementation": |
| return setWebViewImplementation(); |
| case "enable-multiprocess": |
| return enableMultiProcess(true); |
| case "disable-multiprocess": |
| return enableMultiProcess(false); |
| default: |
| return handleDefaultCommands(cmd); |
| } |
| } catch (RemoteException e) { |
| pw.println("Remote exception: " + e); |
| } |
| return -1; |
| } |
| |
| private int enableFallbackLogic(boolean enable) throws RemoteException { |
| final PrintWriter pw = getOutPrintWriter(); |
| mInterface.enableFallbackLogic(enable); |
| pw.println("Success"); |
| return 0; |
| } |
| |
| private int setWebViewImplementation() throws RemoteException { |
| final PrintWriter pw = getOutPrintWriter(); |
| String shellChosenPackage = getNextArg(); |
| if (shellChosenPackage == null) { |
| pw.println("Failed to switch, no PACKAGE provided."); |
| pw.println(""); |
| helpSetWebViewImplementation(); |
| return 1; |
| } |
| String newPackage = mInterface.changeProviderAndSetting(shellChosenPackage); |
| if (shellChosenPackage.equals(newPackage)) { |
| pw.println("Success"); |
| return 0; |
| } else { |
| pw.println(String.format( |
| "Failed to switch to %s, the WebView implementation is now provided by %s.", |
| shellChosenPackage, newPackage)); |
| return 1; |
| } |
| } |
| |
| private int enableMultiProcess(boolean enable) throws RemoteException { |
| final PrintWriter pw = getOutPrintWriter(); |
| mInterface.enableMultiProcess(enable); |
| pw.println("Success"); |
| return 0; |
| } |
| |
| public void helpSetWebViewImplementation() { |
| PrintWriter pw = getOutPrintWriter(); |
| pw.println(" set-webview-implementation PACKAGE"); |
| pw.println(" Set the WebView implementation to the specified package."); |
| } |
| |
| @Override |
| public void onHelp() { |
| PrintWriter pw = getOutPrintWriter(); |
| pw.println("WebView updater commands:"); |
| pw.println(" help"); |
| pw.println(" Print this help text."); |
| pw.println(""); |
| pw.println(" enable-redundant-packages"); |
| pw.println(" Allow a fallback package to be installed and enabled even when a"); |
| pw.println(" more-preferred package is available. This command is useful when testing"); |
| pw.println(" fallback packages."); |
| pw.println(" disable-redundant-packages"); |
| pw.println(" Disallow installing and enabling fallback packages when a more-preferred"); |
| pw.println(" package is available."); |
| helpSetWebViewImplementation(); |
| pw.println(" enable-multiprocess"); |
| pw.println(" Enable multi-process mode for WebView"); |
| pw.println(" disable-multiprocess"); |
| pw.println(" Disable multi-process mode for WebView"); |
| pw.println(); |
| } |
| } |