1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/bluetooth/bluedroid/BluetoothUtils.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,189 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "base/basictypes.h"
1.11 +
1.12 +#include "BluetoothReplyRunnable.h"
1.13 +#include "BluetoothService.h"
1.14 +#include "BluetoothServiceBluedroid.h"
1.15 +#include "BluetoothUtils.h"
1.16 +#include "jsapi.h"
1.17 +#include "mozilla/Scoped.h"
1.18 +#include "mozilla/dom/bluetooth/BluetoothTypes.h"
1.19 +#include "nsContentUtils.h"
1.20 +#include "nsCxPusher.h"
1.21 +#include "nsIScriptContext.h"
1.22 +#include "nsISystemMessagesInternal.h"
1.23 +#include "nsString.h"
1.24 +#include "nsTArray.h"
1.25 +#include "nsServiceManagerUtils.h"
1.26 +
1.27 +BEGIN_BLUETOOTH_NAMESPACE
1.28 +
1.29 +const bt_interface_t*
1.30 +GetBluetoothInterface()
1.31 +{
1.32 + return BluetoothServiceBluedroid::GetBluetoothInterface();
1.33 +}
1.34 +
1.35 +void
1.36 +StringToBdAddressType(const nsAString& aBdAddress,
1.37 + bt_bdaddr_t *aRetBdAddressType)
1.38 +{
1.39 + NS_ConvertUTF16toUTF8 bdAddressUTF8(aBdAddress);
1.40 + const char* str = bdAddressUTF8.get();
1.41 +
1.42 + for (int i = 0; i < 6; i++) {
1.43 + aRetBdAddressType->address[i] = (uint8_t) strtoul(str, (char **)&str, 16);
1.44 + str++;
1.45 + }
1.46 +}
1.47 +
1.48 +void
1.49 +BdAddressTypeToString(bt_bdaddr_t* aBdAddressType, nsAString& aRetBdAddress)
1.50 +{
1.51 + uint8_t* addr = aBdAddressType->address;
1.52 + char bdstr[18];
1.53 +
1.54 + sprintf(bdstr, "%02x:%02x:%02x:%02x:%02x:%02x",
1.55 + (int)addr[0],(int)addr[1],(int)addr[2],
1.56 + (int)addr[3],(int)addr[4],(int)addr[5]);
1.57 +
1.58 + aRetBdAddress = NS_ConvertUTF8toUTF16(bdstr);
1.59 +}
1.60 +
1.61 +bool
1.62 +SetJsObject(JSContext* aContext,
1.63 + const BluetoothValue& aValue,
1.64 + JS::Handle<JSObject*> aObj)
1.65 +{
1.66 + MOZ_ASSERT(aContext && aObj);
1.67 +
1.68 + if (aValue.type() != BluetoothValue::TArrayOfBluetoothNamedValue) {
1.69 + BT_WARNING("SetJsObject: Invalid parameter type");
1.70 + return false;
1.71 + }
1.72 +
1.73 + const nsTArray<BluetoothNamedValue>& arr =
1.74 + aValue.get_ArrayOfBluetoothNamedValue();
1.75 +
1.76 + for (uint32_t i = 0; i < arr.Length(); i++) {
1.77 + JS::Rooted<JS::Value> val(aContext);
1.78 + const BluetoothValue& v = arr[i].value();
1.79 +
1.80 + switch(v.type()) {
1.81 + case BluetoothValue::TnsString: {
1.82 + JSString* jsData = JS_NewUCStringCopyN(aContext,
1.83 + v.get_nsString().BeginReading(),
1.84 + v.get_nsString().Length());
1.85 + NS_ENSURE_TRUE(jsData, false);
1.86 + val = STRING_TO_JSVAL(jsData);
1.87 + break;
1.88 + }
1.89 + case BluetoothValue::Tuint32_t:
1.90 + val = INT_TO_JSVAL(v.get_uint32_t());
1.91 + break;
1.92 + case BluetoothValue::Tbool:
1.93 + val = BOOLEAN_TO_JSVAL(v.get_bool());
1.94 + break;
1.95 + default:
1.96 + BT_WARNING("SetJsObject: Parameter is not handled");
1.97 + break;
1.98 + }
1.99 +
1.100 + if (!JS_SetProperty(aContext, aObj,
1.101 + NS_ConvertUTF16toUTF8(arr[i].name()).get(),
1.102 + val)) {
1.103 + BT_WARNING("Failed to set property");
1.104 + return false;
1.105 + }
1.106 + }
1.107 +
1.108 + return true;
1.109 +}
1.110 +
1.111 +bool
1.112 +BroadcastSystemMessage(const nsAString& aType,
1.113 + const BluetoothValue& aData)
1.114 +{
1.115 + mozilla::AutoSafeJSContext cx;
1.116 + NS_ASSERTION(!::JS_IsExceptionPending(cx),
1.117 + "Shouldn't get here when an exception is pending!");
1.118 +
1.119 + nsCOMPtr<nsISystemMessagesInternal> systemMessenger =
1.120 + do_GetService("@mozilla.org/system-message-internal;1");
1.121 + NS_ENSURE_TRUE(systemMessenger, false);
1.122 +
1.123 + JS::Rooted<JS::Value> value(cx);
1.124 + if (aData.type() == BluetoothValue::TnsString) {
1.125 + JSString* jsData = JS_NewUCStringCopyN(cx,
1.126 + aData.get_nsString().BeginReading(),
1.127 + aData.get_nsString().Length());
1.128 + value = STRING_TO_JSVAL(jsData);
1.129 + } else if (aData.type() == BluetoothValue::TArrayOfBluetoothNamedValue) {
1.130 + JS::Rooted<JSObject*> obj(cx, JS_NewObject(cx, nullptr, JS::NullPtr(),
1.131 + JS::NullPtr()));
1.132 + if (!obj) {
1.133 + BT_WARNING("Failed to new JSObject for system message!");
1.134 + return false;
1.135 + }
1.136 +
1.137 + if (!SetJsObject(cx, aData, obj)) {
1.138 + BT_WARNING("Failed to set properties of system message!");
1.139 + return false;
1.140 + }
1.141 + value = JS::ObjectValue(*obj);
1.142 + } else {
1.143 + BT_WARNING("Not support the unknown BluetoothValue type");
1.144 + return false;
1.145 + }
1.146 +
1.147 + systemMessenger->BroadcastMessage(aType, value,
1.148 + JS::UndefinedHandleValue);
1.149 +
1.150 + return true;
1.151 +}
1.152 +
1.153 +void
1.154 +DispatchBluetoothReply(BluetoothReplyRunnable* aRunnable,
1.155 + const BluetoothValue& aValue,
1.156 + const nsAString& aErrorStr)
1.157 +{
1.158 + // Reply will be deleted by the runnable after running on main thread
1.159 + BluetoothReply* reply;
1.160 + if (!aErrorStr.IsEmpty()) {
1.161 + nsString err(aErrorStr);
1.162 + reply = new BluetoothReply(BluetoothReplyError(err));
1.163 + } else {
1.164 + MOZ_ASSERT(aValue.type() != BluetoothValue::T__None);
1.165 + reply = new BluetoothReply(BluetoothReplySuccess(aValue));
1.166 + }
1.167 +
1.168 + aRunnable->SetReply(reply);
1.169 + if (NS_FAILED(NS_DispatchToMainThread(aRunnable))) {
1.170 + BT_WARNING("Failed to dispatch to main thread!");
1.171 + }
1.172 +}
1.173 +
1.174 +void
1.175 +DispatchStatusChangedEvent(const nsAString& aType,
1.176 + const nsAString& aAddress,
1.177 + bool aStatus)
1.178 +{
1.179 + MOZ_ASSERT(NS_IsMainThread());
1.180 +
1.181 + InfallibleTArray<BluetoothNamedValue> data;
1.182 + BT_APPEND_NAMED_VALUE(data, "address", nsString(aAddress));
1.183 + BT_APPEND_NAMED_VALUE(data, "status", aStatus);
1.184 +
1.185 + BluetoothSignal signal(nsString(aType), NS_LITERAL_STRING(KEY_ADAPTER), data);
1.186 +
1.187 + BluetoothService* bs = BluetoothService::Get();
1.188 + NS_ENSURE_TRUE_VOID(bs);
1.189 + bs->DistributeSignal(signal);
1.190 +}
1.191 +
1.192 +END_BLUETOOTH_NAMESPACE
