dom/bluetooth/BluetoothProfileController.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/bluetooth/BluetoothProfileController.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,314 @@
     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 "BluetoothProfileController.h"
    1.11 +#include "BluetoothReplyRunnable.h"
    1.12 +
    1.13 +#include "BluetoothA2dpManager.h"
    1.14 +#include "BluetoothHfpManager.h"
    1.15 +#include "BluetoothHidManager.h"
    1.16 +#include "BluetoothUtils.h"
    1.17 +
    1.18 +#include "mozilla/dom/bluetooth/BluetoothTypes.h"
    1.19 +#include "nsComponentManagerUtils.h"
    1.20 +
    1.21 +USING_BLUETOOTH_NAMESPACE
    1.22 +
    1.23 +#define BT_LOGR_PROFILE(mgr, msg, ...)               \
    1.24 +  do {                                               \
    1.25 +    nsCString name;                                  \
    1.26 +    mgr->GetName(name);                              \
    1.27 +    BT_LOGR("[%s] " msg, name.get(), ##__VA_ARGS__); \
    1.28 +  } while(0)
    1.29 +
    1.30 +#define CONNECTION_TIMEOUT_MS 15000
    1.31 +
    1.32 +class CheckProfileStatusCallback : public nsITimerCallback
    1.33 +{
    1.34 +public:
    1.35 +  NS_DECL_ISUPPORTS
    1.36 +  NS_DECL_NSITIMERCALLBACK
    1.37 +
    1.38 +  CheckProfileStatusCallback(BluetoothProfileController* aController)
    1.39 +    : mController(aController)
    1.40 +  {
    1.41 +    MOZ_ASSERT(aController);
    1.42 +  }
    1.43 +
    1.44 +  virtual ~CheckProfileStatusCallback()
    1.45 +  {
    1.46 +    mController = nullptr;
    1.47 +  }
    1.48 +
    1.49 +private:
    1.50 +  nsRefPtr<BluetoothProfileController> mController;
    1.51 +};
    1.52 +
    1.53 +BluetoothProfileController::BluetoothProfileController(
    1.54 +                                   bool aConnect,
    1.55 +                                   const nsAString& aDeviceAddress,
    1.56 +                                   BluetoothReplyRunnable* aRunnable,
    1.57 +                                   BluetoothProfileControllerCallback aCallback,
    1.58 +                                   uint16_t aServiceUuid,
    1.59 +                                   uint32_t aCod)
    1.60 +  : mConnect(aConnect)
    1.61 +  , mDeviceAddress(aDeviceAddress)
    1.62 +  , mRunnable(aRunnable)
    1.63 +  , mCallback(aCallback)
    1.64 +  , mCurrentProfileFinished(false)
    1.65 +  , mSuccess(false)
    1.66 +  , mProfilesIndex(-1)
    1.67 +{
    1.68 +  MOZ_ASSERT(!aDeviceAddress.IsEmpty());
    1.69 +  MOZ_ASSERT(aRunnable);
    1.70 +  MOZ_ASSERT(aCallback);
    1.71 +
    1.72 +  mTimer = do_CreateInstance(NS_TIMER_CONTRACTID);
    1.73 +  MOZ_ASSERT(mTimer);
    1.74 +
    1.75 +  mCheckProfileStatusCallback = new CheckProfileStatusCallback(this);
    1.76 +  mProfiles.Clear();
    1.77 +
    1.78 +  /**
    1.79 +   * If the service uuid is not specified, either connect multiple profiles
    1.80 +   * based on Cod, or disconnect all connected profiles.
    1.81 +   */
    1.82 +  if (!aServiceUuid) {
    1.83 +    mTarget.cod = aCod;
    1.84 +    SetupProfiles(false);
    1.85 +  } else {
    1.86 +    BluetoothServiceClass serviceClass =
    1.87 +      BluetoothUuidHelper::GetBluetoothServiceClass(aServiceUuid);
    1.88 +    mTarget.service = serviceClass;
    1.89 +    SetupProfiles(true);
    1.90 +  }
    1.91 +}
    1.92 +
    1.93 +BluetoothProfileController::~BluetoothProfileController()
    1.94 +{
    1.95 +  mProfiles.Clear();
    1.96 +  mRunnable = nullptr;
    1.97 +  mCallback = nullptr;
    1.98 +
    1.99 +  if (mTimer) {
   1.100 +    mTimer->Cancel();
   1.101 +  }
   1.102 +}
   1.103 +
   1.104 +void
   1.105 +BluetoothProfileController::AddProfileWithServiceClass(
   1.106 +                                                   BluetoothServiceClass aClass)
   1.107 +{
   1.108 +  BluetoothProfileManagerBase* profile;
   1.109 +  switch (aClass) {
   1.110 +    case BluetoothServiceClass::HANDSFREE:
   1.111 +    case BluetoothServiceClass::HEADSET:
   1.112 +      profile = BluetoothHfpManager::Get();
   1.113 +      break;
   1.114 +    case BluetoothServiceClass::A2DP:
   1.115 +      profile = BluetoothA2dpManager::Get();
   1.116 +      break;
   1.117 +    case BluetoothServiceClass::HID:
   1.118 +      profile = BluetoothHidManager::Get();
   1.119 +      break;
   1.120 +    default:
   1.121 +      DispatchBluetoothReply(mRunnable, BluetoothValue(),
   1.122 +                             NS_LITERAL_STRING(ERR_UNKNOWN_PROFILE));
   1.123 +      mCallback();
   1.124 +      return;
   1.125 +  }
   1.126 +
   1.127 +  AddProfile(profile);
   1.128 +}
   1.129 +
   1.130 +void
   1.131 +BluetoothProfileController::AddProfile(BluetoothProfileManagerBase* aProfile,
   1.132 +                                       bool aCheckConnected)
   1.133 +{
   1.134 +  if (!aProfile) {
   1.135 +    DispatchBluetoothReply(mRunnable, BluetoothValue(),
   1.136 +                           NS_LITERAL_STRING(ERR_NO_AVAILABLE_RESOURCE));
   1.137 +    mCallback();
   1.138 +    return;
   1.139 +  }
   1.140 +
   1.141 +  if (aCheckConnected && !aProfile->IsConnected()) {
   1.142 +    BT_WARNING("The profile is not connected.");
   1.143 +    return;
   1.144 +  }
   1.145 +
   1.146 +  mProfiles.AppendElement(aProfile);
   1.147 +}
   1.148 +
   1.149 +void
   1.150 +BluetoothProfileController::SetupProfiles(bool aAssignServiceClass)
   1.151 +{
   1.152 +  MOZ_ASSERT(NS_IsMainThread());
   1.153 +
   1.154 +  /**
   1.155 +   * When a service class is assigned, only its corresponding profile is put
   1.156 +   * into array.
   1.157 +   */
   1.158 +  if (aAssignServiceClass) {
   1.159 +    AddProfileWithServiceClass(mTarget.service);
   1.160 +    return;
   1.161 +  }
   1.162 +
   1.163 +  // For a disconnect request, all connected profiles are put into array.
   1.164 +  if (!mConnect) {
   1.165 +    AddProfile(BluetoothHidManager::Get(), true);
   1.166 +    AddProfile(BluetoothA2dpManager::Get(), true);
   1.167 +    AddProfile(BluetoothHfpManager::Get(), true);
   1.168 +    return;
   1.169 +  }
   1.170 +
   1.171 +  /**
   1.172 +   * For a connect request, put multiple profiles into array and connect to
   1.173 +   * all of them sequencely.
   1.174 +   */
   1.175 +  bool hasAudio = HAS_AUDIO(mTarget.cod);
   1.176 +  bool hasRendering = HAS_RENDERING(mTarget.cod);
   1.177 +  bool isPeripheral = IS_PERIPHERAL(mTarget.cod);
   1.178 +  bool isRemoteControl = IS_REMOTE_CONTROL(mTarget.cod);
   1.179 +  bool isKeyboard = IS_KEYBOARD(mTarget.cod);
   1.180 +  bool isPointingDevice = IS_POINTING_DEVICE(mTarget.cod);
   1.181 +
   1.182 +  NS_ENSURE_TRUE_VOID(hasAudio || hasRendering || isPeripheral);
   1.183 +
   1.184 +  // Audio bit should be set if remote device supports HFP/HSP.
   1.185 +  if (hasAudio) {
   1.186 +    AddProfile(BluetoothHfpManager::Get());
   1.187 +  }
   1.188 +
   1.189 +  // Rendering bit should be set if remote device supports A2DP.
   1.190 +  // A device which supports AVRCP should claim that it's a peripheral and it's
   1.191 +  // a remote control.
   1.192 +  if (hasRendering || (isPeripheral && isRemoteControl)) {
   1.193 +    AddProfile(BluetoothA2dpManager::Get());
   1.194 +  }
   1.195 +
   1.196 +  // A device which supports HID should claim that it's a peripheral and it's
   1.197 +  // either a keyboard, a pointing device, or both.
   1.198 +  if (isPeripheral && (isKeyboard || isPointingDevice)) {
   1.199 +    AddProfile(BluetoothHidManager::Get());
   1.200 +  }
   1.201 +}
   1.202 +
   1.203 +NS_IMPL_ISUPPORTS(CheckProfileStatusCallback, nsITimerCallback)
   1.204 +
   1.205 +NS_IMETHODIMP
   1.206 +CheckProfileStatusCallback::Notify(nsITimer* aTimer)
   1.207 +{
   1.208 +  MOZ_ASSERT(mController);
   1.209 +  // Continue on the next profile since we haven't got the callback after
   1.210 +  // timeout.
   1.211 +  mController->GiveupAndContinue();
   1.212 +
   1.213 +  return NS_OK;
   1.214 +}
   1.215 +
   1.216 +void
   1.217 +BluetoothProfileController::StartSession()
   1.218 +{
   1.219 +  MOZ_ASSERT(NS_IsMainThread());
   1.220 +  MOZ_ASSERT(!mDeviceAddress.IsEmpty());
   1.221 +  MOZ_ASSERT(mProfilesIndex == -1);
   1.222 +  MOZ_ASSERT(mTimer);
   1.223 +
   1.224 +  if (mProfiles.Length() < 1) {
   1.225 +    BT_LOGR("No queued profile.");
   1.226 +    EndSession();
   1.227 +    return;
   1.228 +  }
   1.229 +
   1.230 +  if (mTimer) {
   1.231 +    mTimer->InitWithCallback(mCheckProfileStatusCallback, CONNECTION_TIMEOUT_MS,
   1.232 +                             nsITimer::TYPE_ONE_SHOT);
   1.233 +  }
   1.234 +
   1.235 +  BT_LOGR("%s", mConnect ? "connecting" : "disconnecting");
   1.236 +
   1.237 +  Next();
   1.238 +}
   1.239 +
   1.240 +void
   1.241 +BluetoothProfileController::EndSession()
   1.242 +{
   1.243 +  MOZ_ASSERT(mRunnable && mCallback);
   1.244 +
   1.245 +  BT_LOGR("mSuccess %d", mSuccess);
   1.246 +
   1.247 +  // The action has completed, so the DOM request should be replied then invoke
   1.248 +  // the callback.
   1.249 +  if (mSuccess) {
   1.250 +    DispatchBluetoothReply(mRunnable, BluetoothValue(true), EmptyString());
   1.251 +  } else if (mConnect) {
   1.252 +    DispatchBluetoothReply(mRunnable, BluetoothValue(true),
   1.253 +                           NS_LITERAL_STRING(ERR_CONNECTION_FAILED));
   1.254 +  } else {
   1.255 +    DispatchBluetoothReply(mRunnable, BluetoothValue(true),
   1.256 +                           NS_LITERAL_STRING(ERR_DISCONNECTION_FAILED));
   1.257 +  }
   1.258 +
   1.259 +  mCallback();
   1.260 +}
   1.261 +
   1.262 +void
   1.263 +BluetoothProfileController::Next()
   1.264 +{
   1.265 +  MOZ_ASSERT(NS_IsMainThread());
   1.266 +  MOZ_ASSERT(!mDeviceAddress.IsEmpty());
   1.267 +  MOZ_ASSERT(mProfilesIndex < (int)mProfiles.Length());
   1.268 +  MOZ_ASSERT(mTimer);
   1.269 +
   1.270 +  mCurrentProfileFinished = false;
   1.271 +
   1.272 +  if (++mProfilesIndex >= (int)mProfiles.Length()) {
   1.273 +    EndSession();
   1.274 +    return;
   1.275 +  }
   1.276 +
   1.277 +  BT_LOGR_PROFILE(mProfiles[mProfilesIndex], "");
   1.278 +
   1.279 +  if (mConnect) {
   1.280 +    mProfiles[mProfilesIndex]->Connect(mDeviceAddress, this);
   1.281 +  } else {
   1.282 +    mProfiles[mProfilesIndex]->Disconnect(this);
   1.283 +  }
   1.284 +}
   1.285 +
   1.286 +void
   1.287 +BluetoothProfileController::NotifyCompletion(const nsAString& aErrorStr)
   1.288 +{
   1.289 +  MOZ_ASSERT(NS_IsMainThread());
   1.290 +  MOZ_ASSERT(mTimer);
   1.291 +  MOZ_ASSERT(mProfiles.Length() > 0);
   1.292 +
   1.293 +  BT_LOGR_PROFILE(mProfiles[mProfilesIndex], "<%s>",
   1.294 +                  NS_ConvertUTF16toUTF8(aErrorStr).get());
   1.295 +
   1.296 +  mCurrentProfileFinished = true;
   1.297 +
   1.298 +  if (mTimer) {
   1.299 +    mTimer->Cancel();
   1.300 +  }
   1.301 +
   1.302 +  mSuccess |= aErrorStr.IsEmpty();
   1.303 +
   1.304 +  Next();
   1.305 +}
   1.306 +
   1.307 +void
   1.308 +BluetoothProfileController::GiveupAndContinue()
   1.309 +{
   1.310 +  MOZ_ASSERT(!mCurrentProfileFinished);
   1.311 +  MOZ_ASSERT(mProfilesIndex < (int)mProfiles.Length());
   1.312 +
   1.313 +  BT_LOGR_PROFILE(mProfiles[mProfilesIndex], ERR_OPERATION_TIMEOUT);
   1.314 +  mProfiles[mProfilesIndex]->Reset();
   1.315 +  Next();
   1.316 +}
   1.317 +

mercurial