nsresult
nsPluginDirServiceProvider::GetPLIDDirectoriesWithRootKey(uint32_t aKey, nsCOMArray<nsIFile> &aDirs)
{
  nsCOMPtr<nsIWindowsRegKey> regKey =
    do_CreateInstance("@mozilla.org/windows-registry-key;1");
  NS_ENSURE_TRUE(regKey, NS_ERROR_FAILURE);

  nsresult rv = regKey->Open(aKey,
                             NS_LITERAL_STRING("Software\\MozillaPlugins"),
                             nsIWindowsRegKey::ACCESS_READ);
  if (NS_FAILED(rv)) {
    return rv;
  }

  uint32_t childCount = 0;
  regKey->GetChildCount(&childCount);

  for (uint32_t index = 0; index < childCount; ++index) {
    nsAutoString childName;
    rv = regKey->GetChildName(index, childName);
    if (NS_SUCCEEDED(rv)) {
      nsCOMPtr<nsIWindowsRegKey> childKey;
      rv = regKey->OpenChild(childName, nsIWindowsRegKey::ACCESS_QUERY_VALUE,
                             getter_AddRefs(childKey));
      if (NS_SUCCEEDED(rv) && childKey) {
        nsAutoString path;
        rv = childKey->ReadStringValue(NS_LITERAL_STRING("Path"), path);
        if (NS_SUCCEEDED(rv)) {
          nsCOMPtr<nsIFile> localFile;
          if (NS_SUCCEEDED(NS_NewLocalFile(path, true,
                                           getter_AddRefs(localFile))) &&
              localFile) {
            // Some vendors use a path directly to the DLL so chop off
            // the filename
            bool isDir = false;
            if (NS_SUCCEEDED(localFile->IsDirectory(&isDir)) && !isDir) {
              nsCOMPtr<nsIFile> temp;
              localFile->GetParent(getter_AddRefs(temp));
              if (temp)
                localFile = temp;
            }

            // Now we check to make sure it's actually on disk and
            // To see if we already have this directory in the array
            bool isFileThere = false;
            bool isDupEntry = false;
            if (NS_SUCCEEDED(localFile->Exists(&isFileThere)) && isFileThere) {
              int32_t c = aDirs.Count();
              for (int32_t i = 0; i < c; i++) {
                nsIFile *dup = static_cast<nsIFile*>(aDirs[i]);
                if (dup &&
                    NS_SUCCEEDED(dup->Equals(localFile, &isDupEntry)) &&
                    isDupEntry) {
                  break;
                }
              }

              if (!isDupEntry) {
                aDirs.AppendObject(localFile);
              }
            }
          }
        }
      }
    }
  }
  return NS_OK;
}

static void
AppendDistroSearchDirs(nsIProperties* aDirSvc, nsCOMArray<nsIFile> &array)
{
  nsCOMPtr<nsIFile> searchPlugins;
  nsresult rv = aDirSvc->Get(NS_XPCOM_CURRENT_PROCESS_DIR,
                             NS_GET_IID(nsIFile),
                             getter_AddRefs(searchPlugins));
  if (NS_FAILED(rv))
    return;
  searchPlugins->AppendNative(NS_LITERAL_CSTRING("distribution"));
  searchPlugins->AppendNative(NS_LITERAL_CSTRING("searchplugins"));

  PRBool exists;
  rv = searchPlugins->Exists(&exists);
  if (NS_FAILED(rv) || !exists)
    return;

  nsCOMPtr<nsIFile> commonPlugins;
  rv = searchPlugins->Clone(getter_AddRefs(commonPlugins));
  if (NS_SUCCEEDED(rv)) {
    commonPlugins->AppendNative(NS_LITERAL_CSTRING("common"));
    rv = commonPlugins->Exists(&exists);
    if (NS_SUCCEEDED(rv) && exists)
        array.AppendObject(commonPlugins);
  }

  nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
  if (prefs) {

    nsCOMPtr<nsIFile> localePlugins;
    rv = searchPlugins->Clone(getter_AddRefs(localePlugins));
    if (NS_FAILED(rv))
      return;

    localePlugins->AppendNative(NS_LITERAL_CSTRING("locale"));

    nsCString locale;
    rv = prefs->GetCharPref("general.useragent.locale", getter_Copies(locale));
    if (NS_SUCCEEDED(rv)) {

      nsCOMPtr<nsIFile> curLocalePlugins;
      rv = localePlugins->Clone(getter_AddRefs(curLocalePlugins));
      if (NS_SUCCEEDED(rv)) {

        curLocalePlugins->AppendNative(locale);
        rv = curLocalePlugins->Exists(&exists);
        if (NS_SUCCEEDED(rv) && exists) {
          array.AppendObject(curLocalePlugins);
          return; // all done
        }
      }
    }

    // we didn't append the locale dir - try the default one
    nsCString defLocale;
    rv = prefs->GetCharPref("distribution.searchplugins.defaultLocale",
                            getter_Copies(defLocale));
    if (NS_SUCCEEDED(rv)) {

      nsCOMPtr<nsIFile> defLocalePlugins;
      rv = localePlugins->Clone(getter_AddRefs(defLocalePlugins));
      if (NS_SUCCEEDED(rv)) {

        defLocalePlugins->AppendNative(defLocale);
        rv = defLocalePlugins->Exists(&exists);
        if (NS_SUCCEEDED(rv) && exists)
          array.AppendObject(defLocalePlugins);
      }
    }
  }
}

/* static */
nsresult
nsNodeUtils::CloneAndAdopt(nsINode *aNode, bool aClone, bool aDeep,
                           nsNodeInfoManager *aNewNodeInfoManager,
                           JS::Handle<JSObject*> aReparentScope,
                           nsCOMArray<nsINode> &aNodesWithProperties,
                           nsINode *aParent, nsINode **aResult)
{
  NS_PRECONDITION((!aClone && aNewNodeInfoManager) || !aReparentScope,
                  "If cloning or not getting a new nodeinfo we shouldn't "
                  "rewrap");
  NS_PRECONDITION(!aParent || aNode->IsNodeOfType(nsINode::eCONTENT),
                  "Can't insert document or attribute nodes into a parent");

  *aResult = nullptr;

  // First deal with aNode and walk its attributes (and their children). Then,
  // if aDeep is true, deal with aNode's children (and recurse into their
  // attributes and children).

  AutoJSContext cx;
  nsresult rv;

  nsNodeInfoManager *nodeInfoManager = aNewNodeInfoManager;

  // aNode.
  nsINodeInfo *nodeInfo = aNode->mNodeInfo;
  nsCOMPtr<nsINodeInfo> newNodeInfo;
  if (nodeInfoManager) {

    // Don't allow importing/adopting nodes from non-privileged "scriptable"
    // documents to "non-scriptable" documents.
    nsIDocument* newDoc = nodeInfoManager->GetDocument();
    NS_ENSURE_STATE(newDoc);
    bool hasHadScriptHandlingObject = false;
    if (!newDoc->GetScriptHandlingObject(hasHadScriptHandlingObject) &&
        !hasHadScriptHandlingObject) {
      nsIDocument* currentDoc = aNode->OwnerDoc();
      NS_ENSURE_STATE((nsContentUtils::IsChromeDoc(currentDoc) ||
                       (!currentDoc->GetScriptHandlingObject(hasHadScriptHandlingObject) &&
                        !hasHadScriptHandlingObject)));
    }

    newNodeInfo = nodeInfoManager->GetNodeInfo(nodeInfo->NameAtom(),
                                               nodeInfo->GetPrefixAtom(),
                                               nodeInfo->NamespaceID(),
                                               nodeInfo->NodeType(),
                                               nodeInfo->GetExtraName());

    nodeInfo = newNodeInfo;
  }

  Element *elem = aNode->IsElement() ? aNode->AsElement() : nullptr;

  nsCOMPtr<nsINode> clone;
  if (aClone) {
    rv = aNode->Clone(nodeInfo, getter_AddRefs(clone));
    NS_ENSURE_SUCCESS(rv, rv);

    if (aParent) {
      // If we're cloning we need to insert the cloned children into the cloned
      // parent.
      rv = aParent->AppendChildTo(static_cast<nsIContent*>(clone.get()),
                                  false);
      NS_ENSURE_SUCCESS(rv, rv);
    }
    else if (aDeep && clone->IsNodeOfType(nsINode::eDOCUMENT)) {
      // After cloning the document itself, we want to clone the children into
      // the cloned document (somewhat like cloning and importing them into the
      // cloned document).
      nodeInfoManager = clone->mNodeInfo->NodeInfoManager();
    }
  }
  else if (nodeInfoManager) {
    nsIDocument* oldDoc = aNode->OwnerDoc();
    bool wasRegistered = false;
    if (aNode->IsElement()) {
      Element* element = aNode->AsElement();
      oldDoc->ClearBoxObjectFor(element);
      wasRegistered = oldDoc->UnregisterFreezableElement(element);
    }

    aNode->mNodeInfo.swap(newNodeInfo);
    if (elem) {
      elem->NodeInfoChanged(newNodeInfo);
    }

    nsIDocument* newDoc = aNode->OwnerDoc();
    if (newDoc) {
      // XXX what if oldDoc is null, we don't know if this should be
      // registered or not! Can that really happen?
      if (wasRegistered) {
        newDoc->RegisterFreezableElement(aNode->AsElement());
      }

      nsPIDOMWindow* window = newDoc->GetInnerWindow();
      if (window) {
        nsEventListenerManager* elm = aNode->GetExistingListenerManager();
        if (elm) {
          window->SetMutationListeners(elm->MutationListenerBits());
//.........这里部分代码省略.........

static void
do_dladm(nsCOMArray<nsWifiAccessPoint> &accessPoints)
{
  GError *err = NULL;
  char *sout = NULL;
  char *serr = NULL;
  int exit_status = 0;
  char * dladm_args[] = { "/usr/bin/pfexec", "/usr/sbin/dladm",
                          "scan-wifi", "-p", "-o", "BSSID,ESSID,STRENGTH" };

  gboolean rv = g_spawn_sync("/", dladm_args, NULL, (GSpawnFlags)0, NULL, NULL,
                             &sout, &serr, &exit_status, &err);
  if (rv && !exit_status) {
    char wlan[DLADM_SECTIONS][DLADM_STRSIZE+1];
    uint32_t section = 0;
    uint32_t sout_scan = 0;
    uint32_t wlan_put = 0;
    bool escape = false;
    nsWifiAccessPoint* ap;
    char sout_char;
    do {
      sout_char = sout[sout_scan++];
      if (escape) {
        escape = false;
        if (sout_char != '\0') {
          wlan[section][wlan_put++] = sout_char;
          continue;
        }
      }

      if (sout_char =='\\') {
        escape = true;
        continue;
      }

      if (sout_char == ':') {
        wlan[section][wlan_put] = '\0';
        section++;
        wlan_put = 0;
        continue;
      }

      if ((sout_char == '\0') || (sout_char == '\n')) {
        wlan[section][wlan_put] = '\0';
        if (section == DLADM_SECTIONS - 1) {
          ap = do_parse_str(wlan[0], wlan[1], wlan[2]);
          if (ap) {
            accessPoints.AppendObject(ap);
          }
        }
        section = 0;
        wlan_put = 0;
        continue;
      }

      wlan[section][wlan_put++] = sout_char;

    } while ((wlan_put <= DLADM_STRSIZE) && (section < DLADM_SECTIONS) &&
             (sout_char != '\0'));
  }

  g_free(sout);
  g_free(serr);
}

nsresult
WinWifiScanner::GetAccessPointsFromWLAN(nsCOMArray<nsWifiAccessPoint> &accessPoints)
{
  accessPoints.Clear();

  // NOTE: We do not try to load the WLAN library if we previously failed
  // to load it. See the note in WinWifiScanner constructor
  if (!mWlanLibrary) {
    return NS_ERROR_NOT_AVAILABLE;
  }

  // Get the list of interfaces. WlanEnumInterfaces allocates interface_list.
  WLAN_INTERFACE_INFO_LIST *interface_list = nullptr;
  if (ERROR_SUCCESS !=
      (*mWlanLibrary->GetWlanEnumInterfacesPtr())(mWlanLibrary->GetWLANHandle(),
                                                  nullptr,
                                                  &interface_list)) {
    return NS_ERROR_FAILURE;
  }

  // This ensures we call WlanFreeMemory on interface_list
  ScopedWLANObject scopedInterfaceList(mWlanLibrary, interface_list);

  if (!interface_list->dwNumberOfItems) {
    return NS_OK;
  }

  InterfaceScanCallbackData cbData(interface_list->dwNumberOfItems);

  DWORD wlanNotifySource;
  if (ERROR_SUCCESS !=
      (*mWlanLibrary->GetWlanRegisterNotificationPtr())(
                                  mWlanLibrary->GetWLANHandle(),
                                  WLAN_NOTIFICATION_SOURCE_ACM,
                                  TRUE,
                                  (WLAN_NOTIFICATION_CALLBACK)OnScanComplete,
                                  &cbData,
                                  NULL,
                                  &wlanNotifySource)) {
    return NS_ERROR_FAILURE;
  }

  // Go through the list of interfaces and call `WlanScan` on each
  for (unsigned int i = 0; i < interface_list->dwNumberOfItems; ++i) {
    if (ERROR_SUCCESS !=
        (*mWlanLibrary->GetWlanScanPtr())(
                    mWlanLibrary->GetWLANHandle(),
                    &interface_list->InterfaceInfo[i].InterfaceGuid,
                    NULL,
                    NULL,
                    NULL)) {
      cbData.OnInterfaceScanComplete();
    }
  }

  // From the MSDN documentation:
  //   "Wireless network drivers that meet Windows logo requirements are
  // required to complete a WlanScan function request in 4 seconds"
  cbData.WaitForAllInterfacesToFinishScanning(5000);

  // Unregister for the notifications. The documentation mentions that,
  // if a callback is currently running, this will wait for the callback
  // to complete.
  (*mWlanLibrary->GetWlanRegisterNotificationPtr())(
                              mWlanLibrary->GetWLANHandle(),
                              WLAN_NOTIFICATION_SOURCE_NONE,
                              TRUE,
                              NULL,
                              NULL,
                              NULL,
                              &wlanNotifySource);

  // Go through the list of interfaces and get the data for each.
  for (uint32_t i = 0; i < interface_list->dwNumberOfItems; ++i) {
    WLAN_BSS_LIST *bss_list;
    if (ERROR_SUCCESS !=
        (*mWlanLibrary->GetWlanGetNetworkBssListPtr())(
                           mWlanLibrary->GetWLANHandle(),
                           &interface_list->InterfaceInfo[i].InterfaceGuid,
                           nullptr,  // Use all SSIDs.
                           DOT11_BSS_TYPE_UNUSED,
                           false,    // bSecurityEnabled - unused
                           nullptr,  // reserved
                           &bss_list)) {
      continue;
    }

    // This ensures we call WlanFreeMemory on bss_list
    ScopedWLANObject scopedBssList(mWlanLibrary, bss_list);

    // Store each discovered access point in our outparam
    for (int j = 0; j < static_cast<int>(bss_list->dwNumberOfItems); ++j) {
      nsWifiAccessPoint* ap = new nsWifiAccessPoint();
      if (!ap) {
        continue;
      }

      const WLAN_BSS_ENTRY bss_entry = bss_list->wlanBssEntries[j];
      ap->setMac(bss_entry.dot11Bssid);
      ap->setSignal(bss_entry.lRssi);
//.........这里部分代码省略.........

/* static */
nsresult
nsNodeUtils::CloneAndAdopt(nsINode *aNode, PRBool aClone, PRBool aDeep,
                           nsNodeInfoManager *aNewNodeInfoManager,
                           JSContext *aCx, JSObject *aNewScope,
                           nsCOMArray<nsINode> &aNodesWithProperties,
                           nsINode *aParent, nsINode **aResult)
{
  NS_PRECONDITION((!aClone && aNewNodeInfoManager) || !aCx,
                  "If cloning or not getting a new nodeinfo we shouldn't "
                  "rewrap");
  NS_PRECONDITION(!aCx || aNewScope, "Must have new scope");
  NS_PRECONDITION(!aParent || aNode->IsNodeOfType(nsINode::eCONTENT),
                  "Can't insert document or attribute nodes into a parent");

  *aResult = nsnull;

  // First deal with aNode and walk its attributes (and their children). Then,
  // if aDeep is PR_TRUE, deal with aNode's children (and recurse into their
  // attributes and children).

  nsresult rv;
  JSObject *wrapper;
  if (aCx && (wrapper = aNode->GetWrapper())) {
      rv = xpc_MorphSlimWrapper(aCx, aNode);
      NS_ENSURE_SUCCESS(rv, rv);
  }

  nsNodeInfoManager *nodeInfoManager = aNewNodeInfoManager;

  // aNode.
  nsINodeInfo *nodeInfo = aNode->mNodeInfo;
  nsCOMPtr<nsINodeInfo> newNodeInfo;
  if (nodeInfoManager) {

    // Don't allow importing/adopting nodes from non-privileged "scriptable"
    // documents to "non-scriptable" documents.
    nsIDocument* newDoc = nodeInfoManager->GetDocument();
    NS_ENSURE_STATE(newDoc);
    PRBool hasHadScriptHandlingObject = PR_FALSE;
    if (!newDoc->GetScriptHandlingObject(hasHadScriptHandlingObject) &&
        !hasHadScriptHandlingObject) {
      nsIDocument* currentDoc = aNode->GetOwnerDoc();
      NS_ENSURE_STATE(currentDoc &&
                      (nsContentUtils::IsChromeDoc(currentDoc) ||
                       (!currentDoc->GetScriptHandlingObject(hasHadScriptHandlingObject) &&
                        !hasHadScriptHandlingObject)));
    }

    newNodeInfo = nodeInfoManager->GetNodeInfo(nodeInfo->NameAtom(),
                                               nodeInfo->GetPrefixAtom(),
                                               nodeInfo->NamespaceID());
    NS_ENSURE_TRUE(newNodeInfo, NS_ERROR_OUT_OF_MEMORY);

    nodeInfo = newNodeInfo;
  }

  nsGenericElement *elem = aNode->IsElement() ?
                           static_cast<nsGenericElement*>(aNode) :
                           nsnull;

  nsCOMPtr<nsINode> clone;
  PRBool isDeepDocumentClone = PR_FALSE;
  if (aClone) {
    rv = aNode->Clone(nodeInfo, getter_AddRefs(clone));
    NS_ENSURE_SUCCESS(rv, rv);

    if (aParent) {
      // If we're cloning we need to insert the cloned children into the cloned
      // parent.
      rv = aParent->AppendChildTo(static_cast<nsIContent*>(clone.get()),
                                  PR_FALSE);
      NS_ENSURE_SUCCESS(rv, rv);
    }
    else if (aDeep && clone->IsNodeOfType(nsINode::eDOCUMENT)) {
      isDeepDocumentClone = PR_TRUE;
      // After cloning the document itself, we want to clone the children into
      // the cloned document (somewhat like cloning and importing them into the
      // cloned document).
      nodeInfoManager = clone->mNodeInfo->NodeInfoManager();
    }
  }
  else if (nodeInfoManager) {
    nsIDocument* oldDoc = aNode->GetOwnerDoc();
    PRBool wasRegistered = PR_FALSE;
    if (oldDoc && aNode->IsElement()) {
      Element* element = aNode->AsElement();
      oldDoc->ClearBoxObjectFor(element);
      wasRegistered = oldDoc->UnregisterFreezableElement(element);
    }

    aNode->mNodeInfo.swap(newNodeInfo);
    if (elem) {
      elem->NodeInfoChanged(newNodeInfo);
    }

    nsIDocument* newDoc = aNode->GetOwnerDoc();
    if (newDoc) {
      // XXX what if oldDoc is null, we don't know if this should be
      // registered or not! Can that really happen?
//.........这里部分代码省略.........