The Tor Browser: netwerk/wifi/nsWifiMonitorGonk.cpp@b8a032363ba2

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

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #include "nsCOMPtr.h"

     6 #include "nsComponentManagerUtils.h"

     7 #include "nsServiceManagerUtils.h"

     8 #include "nsThreadUtils.h"

     9 #include "nsXPCOM.h"

    10 #include "nsXPCOMCID.h"

    11 #include "nsIObserver.h"

    12 #include "nsIObserverService.h"

    13 #include "nsWifiMonitor.h"

    14 #include "nsWifiAccessPoint.h"

    16 #include "nsServiceManagerUtils.h"

    17 #include "nsComponentManagerUtils.h"

    18 #include "mozilla/Services.h"

    20 #include "nsIInterfaceRequestor.h"

    21 #include "nsIInterfaceRequestorUtils.h"

    23 using namespace mozilla;

    25 #if defined(PR_LOGGING)

    26 PRLogModuleInfo *gWifiMonitorLog;

    27 #endif

    29 NS_IMPL_ISUPPORTS(nsWifiMonitor,

    30                   nsIWifiMonitor,

    31                   nsIObserver,

    32                   nsIWifiScanResultsReady)

    34 nsWifiMonitor::nsWifiMonitor()

    35 {

    36 #if defined(PR_LOGGING)

    37   gWifiMonitorLog = PR_NewLogModule("WifiMonitor");

    38 #endif

    40   nsCOMPtr<nsIObserverService> obsSvc = mozilla::services::GetObserverService();

    41   if (obsSvc) {

    42     obsSvc->AddObserver(this, "xpcom-shutdown", false);

    43   }

    44   LOG(("@@@@@ wifimonitor created\n"));

    45 }

    47 nsWifiMonitor::~nsWifiMonitor()

    48 {

    49 }

    51 NS_IMETHODIMP

    52 nsWifiMonitor::StartWatching(nsIWifiListener *aListener)

    53 {

    54   LOG(("@@@@@ nsWifiMonitor::StartWatching\n"));

    55   NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");

    56   if (!aListener) {

    57     return NS_ERROR_NULL_POINTER;

    58   }

    60   mListeners.AppendElement(nsWifiListener(new nsMainThreadPtrHolder<nsIWifiListener>(aListener)));

    62   if (!mTimer) {

    63     mTimer = do_CreateInstance("@mozilla.org/timer;1");

    64     mTimer->Init(this, 5000, nsITimer::TYPE_REPEATING_SLACK);

    65   }

    66   return NS_OK;

    67 }

    69 NS_IMETHODIMP

    70 nsWifiMonitor::StopWatching(nsIWifiListener *aListener)

    71 {

    72   LOG(("@@@@@ nsWifiMonitor::StopWatching\n"));

    73   NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");

    74   if (!aListener) {

    75     return NS_ERROR_NULL_POINTER;

    76   }

    78   for (uint32_t i = 0; i < mListeners.Length(); i++) {

    79     if (mListeners[i].mListener == aListener) {

    80       mListeners.RemoveElementAt(i);

    81       break;

    82     }

    83   }

    85   if (mListeners.Length() == 0) {

    86     ClearTimer();

    87   }

    88   return NS_OK;

    89 }

    91 NS_IMETHODIMP

    92 nsWifiMonitor::Observe(nsISupports *subject, const char *topic,

    93                        const char16_t *data)

    94 {

    95   if (!strcmp(topic, "timer-callback")) {

    96     LOG(("timer callback\n"));

    98     nsCOMPtr<nsIInterfaceRequestor> ir = do_GetService("@mozilla.org/telephony/system-worker-manager;1");

    99     nsCOMPtr<nsIWifi> wifi = do_GetInterface(ir);

   100     if (!wifi) {

   101       return NS_ERROR_UNEXPECTED;

   102     }

   104     wifi->GetWifiScanResults(this);

   105     return NS_OK;

   106   }

   108   if (!strcmp(topic, "xpcom-shutdown")) {

   109     LOG(("Shutting down\n"));

   110     ClearTimer();

   111     return NS_OK;

   112   }

   114   return NS_ERROR_UNEXPECTED;

   115 }

   117 NS_IMETHODIMP

   118 nsWifiMonitor::Onready(uint32_t count, nsIWifiScanResult **results)

   119 {

   120   NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");

   121   LOG(("@@@@@ About to send data to the wifi listeners\n"));

   123   nsCOMArray<nsWifiAccessPoint> accessPoints;

   125   for (uint32_t i = 0; i < count; i++) {

   126     nsRefPtr<nsWifiAccessPoint> ap = new nsWifiAccessPoint();

   128     nsString temp;

   129     results[i]->GetBssid(temp);

   130     //   00:00:00:00:00:00 --> 00-00-00-00-00-00

   131     for (int32_t x=0; x<6; x++) {

   132       temp.ReplaceSubstring(NS_LITERAL_STRING(":"), NS_LITERAL_STRING("-")); // would it be too much to ask for a ReplaceAll()?

   133     }

   135     nsCString mac;

   136     mac.AssignWithConversion(temp);

   138     results[i]->GetSsid(temp);

   140     nsCString ssid;

   141     ssid.AssignWithConversion(temp);

   143     uint32_t signal;

   144     results[i]->GetSignalStrength(&signal);

   146     ap->setSignal(signal);

   147     ap->setMacRaw(mac.get());

   148     ap->setSSIDRaw(ssid.get(), ssid.Length());

   150     accessPoints.AppendObject(ap);

   151   }

   153   bool accessPointsChanged = !AccessPointsEqual(accessPoints, mLastAccessPoints);

   154   ReplaceArray(mLastAccessPoints, accessPoints);

   156   nsTArray<nsIWifiAccessPoint*> ac;

   157   uint32_t resultCount = mLastAccessPoints.Count();

   158   for (uint32_t i = 0; i < resultCount; i++) {

   159     ac.AppendElement(mLastAccessPoints[i]);

   160   }

   162   for (uint32_t i = 0; i < mListeners.Length(); i++) {

   163     if (!mListeners[i].mHasSentData || accessPointsChanged) {

   164       mListeners[i].mHasSentData = true;

   165       mListeners[i].mListener->OnChange(ac.Elements(), ac.Length());

   166     }

   167   }

   168   return NS_OK;

   169 }

   171 NS_IMETHODIMP

   172 nsWifiMonitor::Onfailure()

   173 {

   174   NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");

   175   LOG(("@@@@@ About to send error to the wifi listeners\n"));

   176   for (uint32_t i = 0; i < mListeners.Length(); i++) {

   177     mListeners[i].mListener->OnError(NS_ERROR_UNEXPECTED);

   178   }

   180   ClearTimer();

   181   return NS_OK;

   182 }

The Tor Browser / file revision