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