dom/bluetooth/BluetoothUuid.cpp

   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 "BluetoothUuid.h"
   8
   9 #include "BluetoothA2dpManager.h"
  10 #include "BluetoothHfpManager.h"
  11 #include "BluetoothHidManager.h"
  12 #include "BluetoothOppManager.h"
  13
  14 USING_BLUETOOTH_NAMESPACE
  15
  16 void
  17 BluetoothUuidHelper::GetString(BluetoothServiceClass aServiceClass,
  18                                nsAString& aRetUuidStr)
  19 {
  20   aRetUuidStr.Truncate();
  21
  22   aRetUuidStr.AppendLiteral("0000");
  23   aRetUuidStr.AppendInt(aServiceClass, 16);
  24   aRetUuidStr.AppendLiteral("-0000-1000-8000-00805F9B34FB");
  25 }
  26
  27 BluetoothServiceClass
  28 BluetoothUuidHelper::GetBluetoothServiceClass(const nsAString& aUuidStr)
  29 {
  30   // An example of input UUID string: 0000110D-0000-1000-8000-00805F9B34FB
  31   MOZ_ASSERT(aUuidStr.Length() == 36);
  32
  33   /**
  34    * Extract uuid16 from input UUID string and return a value of enum
  35    * BluetoothServiceClass. If we failed to recognize the value,
  36    * BluetoothServiceClass::UNKNOWN is returned.
  37    */
  38   BluetoothServiceClass retValue = BluetoothServiceClass::UNKNOWN;
  39   nsString uuid(Substring(aUuidStr, 4, 4));
  40
  41   nsresult rv;
  42   int32_t integer = uuid.ToInteger(&rv, 16);
  43   NS_ENSURE_SUCCESS(rv, retValue);
  44
  45   return GetBluetoothServiceClass(integer);
  46 }
  47
  48 BluetoothServiceClass
  49 BluetoothUuidHelper::GetBluetoothServiceClass(uint16_t aServiceUuid)
  50 {
  51   BluetoothServiceClass retValue = BluetoothServiceClass::UNKNOWN;
  52   switch (aServiceUuid) {
  53     case BluetoothServiceClass::A2DP:
  54     case BluetoothServiceClass::A2DP_SINK:
  55     case BluetoothServiceClass::HANDSFREE:
  56     case BluetoothServiceClass::HANDSFREE_AG:
  57     case BluetoothServiceClass::HEADSET:
  58     case BluetoothServiceClass::HEADSET_AG:
  59     case BluetoothServiceClass::HID:
  60     case BluetoothServiceClass::OBJECT_PUSH:
  61       retValue = (BluetoothServiceClass)aServiceUuid;
  62   }
  63   return retValue;
  64 }
  65
  66 BluetoothProfileManagerBase*
  67 BluetoothUuidHelper::GetBluetoothProfileManager(uint16_t aServiceUuid)
  68 {
  69   BluetoothProfileManagerBase* profile;
  70   BluetoothServiceClass serviceClass = GetBluetoothServiceClass(aServiceUuid);
  71   switch (serviceClass) {
  72     case BluetoothServiceClass::HANDSFREE:
  73     case BluetoothServiceClass::HEADSET:
  74       profile = BluetoothHfpManager::Get();
  75       break;
  76     case BluetoothServiceClass::HID:
  77       profile = BluetoothHidManager::Get();
  78       break;
  79     case BluetoothServiceClass::A2DP:
  80       profile = BluetoothA2dpManager::Get();
  81       break;
  82     case BluetoothServiceClass::OBJECT_PUSH:
  83       profile = BluetoothOppManager::Get();
  84       break;
  85     default:
  86       profile = nullptr;
  87   }
  88   return profile;
  89 }