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comparison: dom/bluetooth/bluez/BluetoothUtils.cpp
dom/bluetooth/bluez/BluetoothUtils.cpp
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| -1:000000000000 | 0:db36fe538cec |
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| 1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "base/basictypes.h" | |
| 8 | |
| 9 #include "BluetoothReplyRunnable.h" | |
| 10 #include "BluetoothService.h" | |
| 11 #include "BluetoothUtils.h" | |
| 12 #include "jsapi.h" | |
| 13 #include "mozilla/Scoped.h" | |
| 14 #include "mozilla/dom/bluetooth/BluetoothTypes.h" | |
| 15 #include "nsContentUtils.h" | |
| 16 #include "nsCxPusher.h" | |
| 17 #include "nsIScriptContext.h" | |
| 18 #include "nsISystemMessagesInternal.h" | |
| 19 #include "nsString.h" | |
| 20 #include "nsTArray.h" | |
| 21 #include "nsServiceManagerUtils.h" | |
| 22 | |
| 23 BEGIN_BLUETOOTH_NAMESPACE | |
| 24 | |
| 25 bool | |
| 26 SetJsObject(JSContext* aContext, | |
| 27 const BluetoothValue& aValue, | |
| 28 JS::Handle<JSObject*> aObj) | |
| 29 { | |
| 30 MOZ_ASSERT(aContext && aObj); | |
| 31 | |
| 32 if (aValue.type() != BluetoothValue::TArrayOfBluetoothNamedValue) { | |
| 33 BT_WARNING("SetJsObject: Invalid parameter type"); | |
| 34 return false; | |
| 35 } | |
| 36 | |
| 37 const nsTArray<BluetoothNamedValue>& arr = | |
| 38 aValue.get_ArrayOfBluetoothNamedValue(); | |
| 39 | |
| 40 for (uint32_t i = 0; i < arr.Length(); i++) { | |
| 41 JS::Rooted<JS::Value> val(aContext); | |
| 42 const BluetoothValue& v = arr[i].value(); | |
| 43 | |
| 44 switch(v.type()) { | |
| 45 case BluetoothValue::TnsString: { | |
| 46 JSString* jsData = JS_NewUCStringCopyN(aContext, | |
| 47 v.get_nsString().BeginReading(), | |
| 48 v.get_nsString().Length()); | |
| 49 NS_ENSURE_TRUE(jsData, false); | |
| 50 val = STRING_TO_JSVAL(jsData); | |
| 51 break; | |
| 52 } | |
| 53 case BluetoothValue::Tuint32_t: | |
| 54 val = INT_TO_JSVAL(v.get_uint32_t()); | |
| 55 break; | |
| 56 case BluetoothValue::Tbool: | |
| 57 val = BOOLEAN_TO_JSVAL(v.get_bool()); | |
| 58 break; | |
| 59 default: | |
| 60 BT_WARNING("SetJsObject: Parameter is not handled"); | |
| 61 break; | |
| 62 } | |
| 63 | |
| 64 if (!JS_SetProperty(aContext, aObj, | |
| 65 NS_ConvertUTF16toUTF8(arr[i].name()).get(), | |
| 66 val)) { | |
| 67 BT_WARNING("Failed to set property"); | |
| 68 return false; | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 return true; | |
| 73 } | |
| 74 | |
| 75 nsString | |
| 76 GetObjectPathFromAddress(const nsAString& aAdapterPath, | |
| 77 const nsAString& aDeviceAddress) | |
| 78 { | |
| 79 // The object path would be like /org/bluez/2906/hci0/dev_00_23_7F_CB_B4_F1, | |
| 80 // and the adapter path would be the first part of the object path, according | |
| 81 // to the example above, it's /org/bluez/2906/hci0. | |
| 82 nsString devicePath(aAdapterPath); | |
| 83 devicePath.AppendLiteral("/dev_"); | |
| 84 devicePath.Append(aDeviceAddress); | |
| 85 devicePath.ReplaceChar(':', '_'); | |
| 86 return devicePath; | |
| 87 } | |
| 88 | |
| 89 nsString | |
| 90 GetAddressFromObjectPath(const nsAString& aObjectPath) | |
| 91 { | |
| 92 // The object path would be like /org/bluez/2906/hci0/dev_00_23_7F_CB_B4_F1, | |
| 93 // and the adapter path would be the first part of the object path, according | |
| 94 // to the example above, it's /org/bluez/2906/hci0. | |
| 95 nsString address(aObjectPath); | |
| 96 int addressHead = address.RFind("/") + 5; | |
| 97 | |
| 98 MOZ_ASSERT(addressHead + BLUETOOTH_ADDRESS_LENGTH == (int)address.Length()); | |
| 99 | |
| 100 address.Cut(0, addressHead); | |
| 101 address.ReplaceChar('_', ':'); | |
| 102 | |
| 103 return address; | |
| 104 } | |
| 105 | |
| 106 bool | |
| 107 BroadcastSystemMessage(const nsAString& aType, | |
| 108 const InfallibleTArray<BluetoothNamedValue>& aData) | |
| 109 { | |
| 110 mozilla::AutoSafeJSContext cx; | |
| 111 NS_ASSERTION(!::JS_IsExceptionPending(cx), | |
| 112 "Shouldn't get here when an exception is pending!"); | |
| 113 | |
| 114 JS::Rooted<JSObject*> obj(cx, JS_NewObject(cx, nullptr, JS::NullPtr(), | |
| 115 JS::NullPtr())); | |
| 116 if (!obj) { | |
| 117 BT_WARNING("Failed to new JSObject for system message!"); | |
| 118 return false; | |
| 119 } | |
| 120 | |
| 121 if (!SetJsObject(cx, aData, obj)) { | |
| 122 BT_WARNING("Failed to set properties of system message!"); | |
| 123 return false; | |
| 124 } | |
| 125 | |
| 126 nsCOMPtr<nsISystemMessagesInternal> systemMessenger = | |
| 127 do_GetService("@mozilla.org/system-message-internal;1"); | |
| 128 NS_ENSURE_TRUE(systemMessenger, false); | |
| 129 | |
| 130 JS::Rooted<JS::Value> value(cx, JS::ObjectValue(*obj)); | |
| 131 systemMessenger->BroadcastMessage(aType, value, | |
| 132 JS::UndefinedHandleValue); | |
| 133 | |
| 134 return true; | |
| 135 } | |
| 136 | |
| 137 void | |
| 138 DispatchBluetoothReply(BluetoothReplyRunnable* aRunnable, | |
| 139 const BluetoothValue& aValue, | |
| 140 const nsAString& aErrorStr) | |
| 141 { | |
| 142 // Reply will be deleted by the runnable after running on main thread | |
| 143 BluetoothReply* reply; | |
| 144 if (!aErrorStr.IsEmpty()) { | |
| 145 nsString err(aErrorStr); | |
| 146 reply = new BluetoothReply(BluetoothReplyError(err)); | |
| 147 } else { | |
| 148 MOZ_ASSERT(aValue.type() != BluetoothValue::T__None); | |
| 149 reply = new BluetoothReply(BluetoothReplySuccess(aValue)); | |
| 150 } | |
| 151 | |
| 152 aRunnable->SetReply(reply); | |
| 153 if (NS_FAILED(NS_DispatchToMainThread(aRunnable))) { | |
| 154 BT_WARNING("Failed to dispatch to main thread!"); | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 void | |
| 159 ParseAtCommand(const nsACString& aAtCommand, const int aStart, | |
| 160 nsTArray<nsCString>& aRetValues) | |
| 161 { | |
| 162 int length = aAtCommand.Length(); | |
| 163 int begin = aStart; | |
| 164 | |
| 165 for (int i = aStart; i < length; ++i) { | |
| 166 // Use ',' as separator | |
| 167 if (aAtCommand[i] == ',') { | |
| 168 nsCString tmp(nsDependentCSubstring(aAtCommand, begin, i - begin)); | |
| 169 aRetValues.AppendElement(tmp); | |
| 170 | |
| 171 begin = i + 1; | |
| 172 } | |
| 173 } | |
| 174 | |
| 175 nsCString tmp(nsDependentCSubstring(aAtCommand, begin)); | |
| 176 aRetValues.AppendElement(tmp); | |
| 177 } | |
| 178 | |
| 179 void | |
| 180 DispatchStatusChangedEvent(const nsAString& aType, | |
| 181 const nsAString& aAddress, | |
| 182 bool aStatus) | |
| 183 { | |
| 184 MOZ_ASSERT(NS_IsMainThread()); | |
| 185 | |
| 186 InfallibleTArray<BluetoothNamedValue> data; | |
| 187 data.AppendElement( | |
| 188 BluetoothNamedValue(NS_LITERAL_STRING("address"), nsString(aAddress))); | |
| 189 data.AppendElement( | |
| 190 BluetoothNamedValue(NS_LITERAL_STRING("status"), aStatus)); | |
| 191 | |
| 192 BluetoothSignal signal(nsString(aType), NS_LITERAL_STRING(KEY_ADAPTER), data); | |
| 193 | |
| 194 BluetoothService* bs = BluetoothService::Get(); | |
| 195 NS_ENSURE_TRUE_VOID(bs); | |
| 196 bs->DistributeSignal(signal); | |
| 197 } | |
| 198 | |
| 199 END_BLUETOOTH_NAMESPACE |
