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dom/bluetooth/bluedroid/BluetoothUtils.cpp@b8a032363ba2 (annotated)

dom/bluetooth/bluedroid/BluetoothUtils.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
michael@0 2 /* vim: set ts=2 et sw=2 tw=80: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #include "base/basictypes.h"
michael@0 8
michael@0 9 #include "BluetoothReplyRunnable.h"
michael@0 10 #include "BluetoothService.h"
michael@0 11 #include "BluetoothServiceBluedroid.h"
michael@0 12 #include "BluetoothUtils.h"
michael@0 13 #include "jsapi.h"
michael@0 14 #include "mozilla/Scoped.h"
michael@0 15 #include "mozilla/dom/bluetooth/BluetoothTypes.h"
michael@0 16 #include "nsContentUtils.h"
michael@0 17 #include "nsCxPusher.h"
michael@0 18 #include "nsIScriptContext.h"
michael@0 19 #include "nsISystemMessagesInternal.h"
michael@0 20 #include "nsString.h"
michael@0 21 #include "nsTArray.h"
michael@0 22 #include "nsServiceManagerUtils.h"
michael@0 23
michael@0 24 BEGIN_BLUETOOTH_NAMESPACE
michael@0 25
michael@0 26 const bt_interface_t*
michael@0 27 GetBluetoothInterface()
michael@0 28 {
michael@0 29 return BluetoothServiceBluedroid::GetBluetoothInterface();
michael@0 30 }
michael@0 31
michael@0 32 void
michael@0 33 StringToBdAddressType(const nsAString& aBdAddress,
michael@0 34 bt_bdaddr_t *aRetBdAddressType)
michael@0 35 {
michael@0 36 NS_ConvertUTF16toUTF8 bdAddressUTF8(aBdAddress);
michael@0 37 const char* str = bdAddressUTF8.get();
michael@0 38
michael@0 39 for (int i = 0; i < 6; i++) {
michael@0 40 aRetBdAddressType->address[i] = (uint8_t) strtoul(str, (char **)&str, 16);
michael@0 41 str++;
michael@0 42 }
michael@0 43 }
michael@0 44
michael@0 45 void
michael@0 46 BdAddressTypeToString(bt_bdaddr_t* aBdAddressType, nsAString& aRetBdAddress)
michael@0 47 {
michael@0 48 uint8_t* addr = aBdAddressType->address;
michael@0 49 char bdstr[18];
michael@0 50
michael@0 51 sprintf(bdstr, "%02x:%02x:%02x:%02x:%02x:%02x",
michael@0 52 (int)addr[0],(int)addr[1],(int)addr[2],
michael@0 53 (int)addr[3],(int)addr[4],(int)addr[5]);
michael@0 54
michael@0 55 aRetBdAddress = NS_ConvertUTF8toUTF16(bdstr);
michael@0 56 }
michael@0 57
michael@0 58 bool
michael@0 59 SetJsObject(JSContext* aContext,
michael@0 60 const BluetoothValue& aValue,
michael@0 61 JS::Handle<JSObject*> aObj)
michael@0 62 {
michael@0 63 MOZ_ASSERT(aContext && aObj);
michael@0 64
michael@0 65 if (aValue.type() != BluetoothValue::TArrayOfBluetoothNamedValue) {
michael@0 66 BT_WARNING("SetJsObject: Invalid parameter type");
michael@0 67 return false;
michael@0 68 }
michael@0 69
michael@0 70 const nsTArray<BluetoothNamedValue>& arr =
michael@0 71 aValue.get_ArrayOfBluetoothNamedValue();
michael@0 72
michael@0 73 for (uint32_t i = 0; i < arr.Length(); i++) {
michael@0 74 JS::Rooted<JS::Value> val(aContext);
michael@0 75 const BluetoothValue& v = arr[i].value();
michael@0 76
michael@0 77 switch(v.type()) {
michael@0 78 case BluetoothValue::TnsString: {
michael@0 79 JSString* jsData = JS_NewUCStringCopyN(aContext,
michael@0 80 v.get_nsString().BeginReading(),
michael@0 81 v.get_nsString().Length());
michael@0 82 NS_ENSURE_TRUE(jsData, false);
michael@0 83 val = STRING_TO_JSVAL(jsData);
michael@0 84 break;
michael@0 85 }
michael@0 86 case BluetoothValue::Tuint32_t:
michael@0 87 val = INT_TO_JSVAL(v.get_uint32_t());
michael@0 88 break;
michael@0 89 case BluetoothValue::Tbool:
michael@0 90 val = BOOLEAN_TO_JSVAL(v.get_bool());
michael@0 91 break;
michael@0 92 default:
michael@0 93 BT_WARNING("SetJsObject: Parameter is not handled");
michael@0 94 break;
michael@0 95 }
michael@0 96
michael@0 97 if (!JS_SetProperty(aContext, aObj,
michael@0 98 NS_ConvertUTF16toUTF8(arr[i].name()).get(),
michael@0 99 val)) {
michael@0 100 BT_WARNING("Failed to set property");
michael@0 101 return false;
michael@0 102 }
michael@0 103 }
michael@0 104
michael@0 105 return true;
michael@0 106 }
michael@0 107
michael@0 108 bool
michael@0 109 BroadcastSystemMessage(const nsAString& aType,
michael@0 110 const BluetoothValue& aData)
michael@0 111 {
michael@0 112 mozilla::AutoSafeJSContext cx;
michael@0 113 NS_ASSERTION(!::JS_IsExceptionPending(cx),
michael@0 114 "Shouldn't get here when an exception is pending!");
michael@0 115
michael@0 116 nsCOMPtr<nsISystemMessagesInternal> systemMessenger =
michael@0 117 do_GetService("@mozilla.org/system-message-internal;1");
michael@0 118 NS_ENSURE_TRUE(systemMessenger, false);
michael@0 119
michael@0 120 JS::Rooted<JS::Value> value(cx);
michael@0 121 if (aData.type() == BluetoothValue::TnsString) {
michael@0 122 JSString* jsData = JS_NewUCStringCopyN(cx,
michael@0 123 aData.get_nsString().BeginReading(),
michael@0 124 aData.get_nsString().Length());
michael@0 125 value = STRING_TO_JSVAL(jsData);
michael@0 126 } else if (aData.type() == BluetoothValue::TArrayOfBluetoothNamedValue) {
michael@0 127 JS::Rooted<JSObject*> obj(cx, JS_NewObject(cx, nullptr, JS::NullPtr(),
michael@0 128 JS::NullPtr()));
michael@0 129 if (!obj) {
michael@0 130 BT_WARNING("Failed to new JSObject for system message!");
michael@0 131 return false;
michael@0 132 }
michael@0 133
michael@0 134 if (!SetJsObject(cx, aData, obj)) {
michael@0 135 BT_WARNING("Failed to set properties of system message!");
michael@0 136 return false;
michael@0 137 }
michael@0 138 value = JS::ObjectValue(*obj);
michael@0 139 } else {
michael@0 140 BT_WARNING("Not support the unknown BluetoothValue type");
michael@0 141 return false;
michael@0 142 }
michael@0 143
michael@0 144 systemMessenger->BroadcastMessage(aType, value,
michael@0 145 JS::UndefinedHandleValue);
michael@0 146
michael@0 147 return true;
michael@0 148 }
michael@0 149
michael@0 150 void
michael@0 151 DispatchBluetoothReply(BluetoothReplyRunnable* aRunnable,
michael@0 152 const BluetoothValue& aValue,
michael@0 153 const nsAString& aErrorStr)
michael@0 154 {
michael@0 155 // Reply will be deleted by the runnable after running on main thread
michael@0 156 BluetoothReply* reply;
michael@0 157 if (!aErrorStr.IsEmpty()) {
michael@0 158 nsString err(aErrorStr);
michael@0 159 reply = new BluetoothReply(BluetoothReplyError(err));
michael@0 160 } else {
michael@0 161 MOZ_ASSERT(aValue.type() != BluetoothValue::T__None);
michael@0 162 reply = new BluetoothReply(BluetoothReplySuccess(aValue));
michael@0 163 }
michael@0 164
michael@0 165 aRunnable->SetReply(reply);
michael@0 166 if (NS_FAILED(NS_DispatchToMainThread(aRunnable))) {
michael@0 167 BT_WARNING("Failed to dispatch to main thread!");
michael@0 168 }
michael@0 169 }
michael@0 170
michael@0 171 void
michael@0 172 DispatchStatusChangedEvent(const nsAString& aType,
michael@0 173 const nsAString& aAddress,
michael@0 174 bool aStatus)
michael@0 175 {
michael@0 176 MOZ_ASSERT(NS_IsMainThread());
michael@0 177
michael@0 178 InfallibleTArray<BluetoothNamedValue> data;
michael@0 179 BT_APPEND_NAMED_VALUE(data, "address", nsString(aAddress));
michael@0 180 BT_APPEND_NAMED_VALUE(data, "status", aStatus);
michael@0 181
michael@0 182 BluetoothSignal signal(nsString(aType), NS_LITERAL_STRING(KEY_ADAPTER), data);
michael@0 183
michael@0 184 BluetoothService* bs = BluetoothService::Get();
michael@0 185 NS_ENSURE_TRUE_VOID(bs);
michael@0 186 bs->DistributeSignal(signal);
michael@0 187 }
michael@0 188
michael@0 189 END_BLUETOOTH_NAMESPACE

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