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 17 package com.android.server.telecom; 18 19 // TODO: Needed for move to system service: import com.android.internal.R; 20 import com.android.internal.os.SomeArgs; 21 import com.android.internal.telephony.PhoneConstants; 22 import com.android.internal.telephony.SmsApplication; 23 24 import android.content.ComponentName; 25 import android.content.Context; 26 import android.content.Intent; 27 import android.content.SharedPreferences; 28 import android.content.res.Resources; 29 import android.net.Uri; 30 import android.os.Handler; 31 import android.os.Message; 32 import android.telecom.Response; 33 import android.telephony.SubscriptionManager; 34 import android.telephony.TelephonyManager; 35 import android.widget.Toast; 36 37 import java.util.ArrayList; 38 import java.util.List; 39 40 /** 41 * Helper class to manage the "Respond via Message" feature for incoming calls. 42 */ 43 public class RespondViaSmsManager extends CallsManagerListenerBase { 44 private static final int MSG_CANNED_TEXT_MESSAGES_READY = 1; 45 private static final int MSG_SHOW_SENT_TOAST = 2; 46 47 private static final RespondViaSmsManager sInstance = new RespondViaSmsManager(); 48 49 private final Handler mHandler = new Handler() { 50 @Override 51 public void handleMessage(Message msg) { 52 switch (msg.what) { 53 case MSG_CANNED_TEXT_MESSAGES_READY: { 54 SomeArgs args = (SomeArgs) msg.obj; 55 try { 56 Response<Void, List<String>> response = 57 (Response<Void, List<String>>) args.arg1; 58 List<String> textMessages = 59 (List<String>) args.arg2; 60 if (textMessages != null) { 61 response.onResult(null, textMessages); 62 } else { 63 response.onError(null, 0, null); 64 } 65 } finally { 66 args.recycle(); 67 } 68 break; 69 } 70 case MSG_SHOW_SENT_TOAST: { 71 SomeArgs args = (SomeArgs) msg.obj; 72 try { 73 String toastMessage = (String) args.arg1; 74 Context context = (Context) args.arg2; 75 showMessageSentToast(toastMessage, context); 76 } finally { 77 args.recycle(); 78 } 79 break; 80 } 81 } 82 } 83 }; 84 85 public static RespondViaSmsManager getInstance() { return sInstance; } 86 87 private RespondViaSmsManager() {} 88 89 /** 90 * Read the (customizable) canned responses from SharedPreferences, 91 * or from defaults if the user has never actually brought up 92 * the Settings UI. 93 * 94 * The interface of this method is asynchronous since it does disk I/O. 95 * 96 * @param response An object to receive an async reply, which will be called from 97 * the main thread. 98 * @param context The context. 99 */ 100 public void loadCannedTextMessages(final Response<Void, List<String>> response, 101 final Context context) { 102 new Thread() { 103 @Override 104 public void run() { 105 Log.d(RespondViaSmsManager.this, "loadCannedResponses() starting"); 106 107 // This function guarantees that QuickResponses will be in our 108 // SharedPreferences with the proper values considering there may be 109 // old QuickResponses in Telephony pre L. 110 QuickResponseUtils.maybeMigrateLegacyQuickResponses(context); 111 112 final SharedPreferences prefs = context.getSharedPreferences( 113 QuickResponseUtils.SHARED_PREFERENCES_NAME, 114 Context.MODE_PRIVATE | Context.MODE_MULTI_PROCESS); 115 final Resources res = context.getResources(); 116 117 final ArrayList<String> textMessages = new ArrayList<>( 118 QuickResponseUtils.NUM_CANNED_RESPONSES); 119 120 // Note the default values here must agree with the corresponding 121 // android:defaultValue attributes in respond_via_sms_settings.xml. 122 textMessages.add(0, prefs.getString(QuickResponseUtils.KEY_CANNED_RESPONSE_PREF_1, 123 res.getString(R.string.respond_via_sms_canned_response_1))); 124 textMessages.add(1, prefs.getString(QuickResponseUtils.KEY_CANNED_RESPONSE_PREF_2, 125 res.getString(R.string.respond_via_sms_canned_response_2))); 126 textMessages.add(2, prefs.getString(QuickResponseUtils.KEY_CANNED_RESPONSE_PREF_3, 127 res.getString(R.string.respond_via_sms_canned_response_3))); 128 textMessages.add(3, prefs.getString(QuickResponseUtils.KEY_CANNED_RESPONSE_PREF_4, 129 res.getString(R.string.respond_via_sms_canned_response_4))); 130 131 Log.d(RespondViaSmsManager.this, 132 "loadCannedResponses() completed, found responses: %s", 133 textMessages.toString()); 134 135 SomeArgs args = SomeArgs.obtain(); 136 args.arg1 = response; 137 args.arg2 = textMessages; 138 mHandler.obtainMessage(MSG_CANNED_TEXT_MESSAGES_READY, args).sendToTarget(); 139 } 140 }.start(); 141 } 142 143 @Override 144 public void onIncomingCallRejected(Call call, boolean rejectWithMessage, String textMessage) { 145 if (rejectWithMessage && call.getHandle() != null) { 146 PhoneAccountRegistrar phoneAccountRegistrar = 147 CallsManager.getInstance().getPhoneAccountRegistrar(); 148 int subId = phoneAccountRegistrar.getSubscriptionIdForPhoneAccount( 149 call.getTargetPhoneAccount()); 150 rejectCallWithMessage(call.getContext(), call.getHandle().getSchemeSpecificPart(), 151 textMessage, subId); 152 } 153 } 154 155 private void showMessageSentToast(final String phoneNumber, final Context context) { 156 // ...and show a brief confirmation to the user (since 157 // otherwise it's hard to be sure that anything actually 158 // happened.) 159 final Resources res = context.getResources(); 160 final String formatString = res.getString( 161 R.string.respond_via_sms_confirmation_format); 162 final String confirmationMsg = String.format(formatString, phoneNumber); 163 Toast.makeText(context, confirmationMsg, 164 Toast.LENGTH_LONG).show(); 165 166 // TODO: If the device is locked, this toast won't actually ever 167 // be visible! (That's because we're about to dismiss the call 168 // screen, which means that the device will return to the 169 // keyguard. But toasts aren't visible on top of the keyguard.) 170 // Possible fixes: 171 // (1) Is it possible to allow a specific Toast to be visible 172 // on top of the keyguard? 173 // (2) Artificially delay the dismissCallScreen() call by 3 174 // seconds to allow the toast to be seen? 175 // (3) Don't use a toast at all; instead use a transient state 176 // of the InCallScreen (perhaps via the InCallUiState 177 // progressIndication feature), and have that state be 178 // visible for 3 seconds before calling dismissCallScreen(). 179 } 180 181 /** 182 * Reject the call with the specified message. If message is null this call is ignored. 183 */ 184 private void rejectCallWithMessage(Context context, String phoneNumber, String textMessage, 185 int subId) { 186 if (textMessage != null) { 187 final ComponentName component = 188 SmsApplication.getDefaultRespondViaMessageApplication(context, 189 true /*updateIfNeeded*/); 190 if (component != null) { 191 // Build and send the intent 192 final Uri uri = Uri.fromParts(Constants.SCHEME_SMSTO, phoneNumber, null); 193 final Intent intent = new Intent(TelephonyManager.ACTION_RESPOND_VIA_MESSAGE, uri); 194 intent.putExtra(Intent.EXTRA_TEXT, textMessage); 195 if (SubscriptionManager.isValidSubscriptionId(subId)) { 196 intent.putExtra(PhoneConstants.SUBSCRIPTION_KEY, subId); 197 } 198 199 SomeArgs args = SomeArgs.obtain(); 200 args.arg1 = phoneNumber; 201 args.arg2 = context; 202 mHandler.obtainMessage(MSG_SHOW_SENT_TOAST, args).sendToTarget(); 203 intent.setComponent(component); 204 context.startService(intent); 205 } 206 } 207 } 208 } 209
