1/* 2 * Copyright (C) 2011 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 17package com.android.emailcommon.service; 18 19import android.content.Context; 20import android.os.IBinder; 21import android.os.RemoteException; 22 23import com.android.emailcommon.provider.Account; 24import com.android.emailcommon.provider.Policy; 25import com.android.mail.utils.LogUtils; 26 27public class PolicyServiceProxy extends ServiceProxy implements IPolicyService { 28 private static final boolean DEBUG_PROXY = false; // DO NOT CHECK THIS IN SET TO TRUE 29 private static final String TAG = "PolicyServiceProxy"; 30 31 private IPolicyService mService = null; 32 private Object mReturn = null; 33 34 public PolicyServiceProxy(Context _context) { 35 super(_context, getIntentForEmailPackage(_context, "POLICY_INTENT")); 36 } 37 38 @Override 39 public void onConnected(IBinder binder) { 40 mService = IPolicyService.Stub.asInterface(binder); 41 } 42 43 @Override 44 public IBinder asBinder() { 45 return null; 46 } 47 48 @Override 49 public boolean isActive(final Policy arg0) throws RemoteException { 50 setTask(new ProxyTask() { 51 @Override 52 public void run() throws RemoteException { 53 mReturn = mService.isActive(arg0); 54 } 55 }, "isActive"); 56 waitForCompletion(); 57 if (DEBUG_PROXY) { 58 LogUtils.v(TAG, "isActive: " + ((mReturn == null) ? "null" : mReturn)); 59 } 60 if (mReturn == null) { 61 // This is not a great situation, but it's better to act like the policy isn't enforced 62 // rather than crash. 63 LogUtils.e(TAG, "PolicyService unavailable in isActive; assuming false"); 64 return false; 65 } else { 66 return (Boolean)mReturn; 67 } 68 } 69 70 @Override 71 public void setAccountPolicy(final long accountId, final Policy policy, 72 final String securityKey) throws RemoteException { 73 setTask(new ProxyTask() { 74 @Override 75 public void run() throws RemoteException { 76 mService.setAccountPolicy(accountId, policy, securityKey); 77 } 78 }, "setAccountPolicy"); 79 waitForCompletion(); 80 } 81 82 @Override 83 public void remoteWipe() throws RemoteException { 84 setTask(new ProxyTask() { 85 @Override 86 public void run() throws RemoteException { 87 mService.remoteWipe(); 88 } 89 }, "remoteWipe"); 90 } 91 92 @Override 93 public void setAccountHoldFlag(final long arg0, final boolean arg1) throws RemoteException { 94 setTask(new ProxyTask() { 95 @Override 96 public void run() throws RemoteException { 97 mService.setAccountHoldFlag(arg0, arg1); 98 } 99 }, "setAccountHoldFlag"); 100 } 101 102 // Static methods that encapsulate the proxy calls above 103 public static boolean isActive(Context context, Policy policies) { 104 try { 105 return new PolicyServiceProxy(context).isActive(policies); 106 } catch (RemoteException e) { 107 } 108 return false; 109 } 110 111 public static void setAccountHoldFlag(Context context, Account account, boolean newState) { 112 try { 113 new PolicyServiceProxy(context).setAccountHoldFlag(account.mId, newState); 114 } catch (RemoteException e) { 115 throw new IllegalStateException("PolicyService transaction failed"); 116 } 117 } 118 119 public static void remoteWipe(Context context) { 120 try { 121 new PolicyServiceProxy(context).remoteWipe(); 122 } catch (RemoteException e) { 123 throw new IllegalStateException("PolicyService transaction failed"); 124 } 125 } 126 127 public static void setAccountPolicy(Context context, long accountId, Policy policy, 128 String securityKey) { 129 try { 130 new PolicyServiceProxy(context).setAccountPolicy(accountId, policy, securityKey); 131 return; 132 } catch (RemoteException e) { 133 } 134 throw new IllegalStateException("PolicyService transaction failed"); 135 } 136} 137 138