Add CDMA SCP message handling
Bug: 135956699
Test: manual
Change-Id: I4aaf32551ed8bbbc239281bedbaef4a6419a04c3
Merged-In: I4aaf32551ed8bbbc239281bedbaef4a6419a04c3
diff --git a/src/com/android/cellbroadcastservice/CdmaServiceCategoryProgramHandler.java b/src/com/android/cellbroadcastservice/CdmaServiceCategoryProgramHandler.java
new file mode 100644
index 0000000..4b254b7
--- /dev/null
+++ b/src/com/android/cellbroadcastservice/CdmaServiceCategoryProgramHandler.java
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2013 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.cellbroadcastservice;
+
+import android.Manifest;
+import android.app.Activity;
+import android.app.AppOpsManager;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Message;
+import android.provider.Telephony.Sms.Intents;
+import android.telephony.SubscriptionManager;
+import android.telephony.cdma.CdmaSmsCbProgramData;
+
+import java.util.ArrayList;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.function.Consumer;
+
+/**
+ * Handle CDMA Service Category Program Data requests and responses.
+ */
+public final class CdmaServiceCategoryProgramHandler extends WakeLockStateMachine {
+
+ // hold the callbacks provided from the framework, executed after SCP messages are broadcast
+ private ConcurrentLinkedQueue<Consumer<Bundle>> mScpCallback = new ConcurrentLinkedQueue<>();
+
+ /**
+ * Create a new CDMA inbound SMS handler.
+ */
+ CdmaServiceCategoryProgramHandler(Context context) {
+ super("CdmaServiceCategoryProgramHandler", context);
+ mContext = context;
+ }
+
+ /**
+ * Create a new State machine for SCPD requests.
+ *
+ * @param context the context to use
+ * @return the new SCPD handler
+ */
+ static CdmaServiceCategoryProgramHandler makeScpHandler(Context context) {
+ CdmaServiceCategoryProgramHandler handler = new CdmaServiceCategoryProgramHandler(
+ context);
+ handler.start();
+ return handler;
+ }
+
+ /**
+ * Handle a CDMA SCP message.
+ *
+ * @param slotIndex the index of the slot which received the message
+ * @param programData the SMS CB program data of the message
+ * @param originatingAddress the originating address of the message
+ * @param callback a callback to run after each cell broadcast receiver has handled
+ * the SCP message
+ */
+ public void onCdmaScpMessage(int slotIndex, ArrayList<CdmaSmsCbProgramData> programData,
+ String originatingAddress, Consumer<Bundle> callback) {
+ onCdmaCellBroadcastSms(new CdmaScpMessage(slotIndex, programData, originatingAddress,
+ callback));
+ }
+
+ /**
+ * Class for holding parts of a CDMA Service Program Category message.
+ */
+ private class CdmaScpMessage {
+ int mSlotIndex;
+ ArrayList<CdmaSmsCbProgramData> mProgamData;
+ String mOriginatingAddress;
+ Consumer<Bundle> mCallback;
+
+ CdmaScpMessage(int slotIndex, ArrayList<CdmaSmsCbProgramData> programData,
+ String originatingAddress, Consumer<Bundle> callback) {
+ mSlotIndex = slotIndex;
+ mProgamData = programData;
+ mOriginatingAddress = originatingAddress;
+ mCallback = callback;
+ }
+ }
+
+
+ /**
+ * Handle Cell Broadcast messages from {@code CdmaInboundSmsHandler}.
+ * 3GPP-format Cell Broadcast messages sent from radio are handled in the subclass.
+ *
+ * @param message the message to process
+ * @return true if an ordered broadcast was sent; false on failure
+ */
+ @Override
+ protected boolean handleSmsMessage(Message message) {
+ if (message.obj instanceof CdmaScpMessage) {
+ CdmaScpMessage cdmaScpMessage = (CdmaScpMessage) message.obj;
+ return handleServiceCategoryProgramData(cdmaScpMessage.mProgamData,
+ cdmaScpMessage.mOriginatingAddress, cdmaScpMessage.mSlotIndex,
+ cdmaScpMessage.mCallback);
+ } else {
+ loge("handleMessage got object of type: " + message.obj.getClass().getName());
+ return false;
+ }
+ }
+
+ /**
+ * Send SCPD request to CellBroadcastReceiver as an ordered broadcast.
+ *
+ * @param programData the program data of the SCP message
+ * @param originatingAddress the address of the sender
+ * @param phoneId the phoneId that the message was received on
+ * @param callback a callback to run after each broadcast
+ * @return true if an ordered broadcast was sent; false on failure
+ */
+ private boolean handleServiceCategoryProgramData(ArrayList<CdmaSmsCbProgramData> programData,
+ String originatingAddress, int phoneId, Consumer<Bundle> callback) {
+ if (programData == null) {
+ loge("handleServiceCategoryProgramData: program data list is null!");
+ return false;
+ }
+
+ Intent intent = new Intent(Intents.SMS_SERVICE_CATEGORY_PROGRAM_DATA_RECEIVED_ACTION);
+ intent.putExtra("sender", originatingAddress);
+ intent.putParcelableArrayListExtra("program_data", programData);
+ SubscriptionManager.putPhoneIdAndSubIdExtra(intent, phoneId);
+
+ // TODO: move this resource and its overlays to the CellBroadcastService directory
+ String[] pkgs = mContext.getResources().getStringArray(
+ com.android.internal.R.array.config_defaultCellBroadcastReceiverPkgs);
+ mReceiverCount.addAndGet(pkgs.length);
+ for (String pkg : pkgs) {
+ intent.setPackage(pkg);
+ mContext.sendOrderedBroadcast(intent, Manifest.permission.RECEIVE_SMS,
+ AppOpsManager.OP_RECEIVE_SMS, mScpResultsReceiver,
+ getHandler(), Activity.RESULT_OK, null, null);
+ mScpCallback.add(callback);
+ }
+ return true;
+ }
+
+ /**
+ * Broadcast receiver to handle results of ordered broadcast. Sends the results back to the
+ * framework through a provided callback.
+ */
+ private final BroadcastReceiver mScpResultsReceiver = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ int resultCode = getResultCode();
+ if ((resultCode != Activity.RESULT_OK) && (resultCode != Intents.RESULT_SMS_HANDLED)) {
+ loge("SCP results error: result code = " + resultCode);
+ return;
+ }
+ Bundle extras = getResultExtras(false);
+ Consumer<Bundle> callback = mScpCallback.poll();
+ callback.accept(extras);
+ if (DBG) log("mScpResultsReceiver finished");
+ if (mReceiverCount.decrementAndGet() == 0) {
+ sendMessage(EVENT_BROADCAST_COMPLETE);
+ }
+ }
+ };
+}