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

netwerk/wifi/nsWifiMonitorGonk.cpp@b8a032363ba2 (annotated)

netwerk/wifi/nsWifiMonitorGonk.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

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

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "nsCOMPtr.h"
 #include "nsComponentManagerUtils.h"
 #include "nsServiceManagerUtils.h"
 #include "nsThreadUtils.h"
 #include "nsXPCOM.h"
 #include "nsXPCOMCID.h"
 #include "nsIObserver.h"
 #include "nsIObserverService.h"
 #include "nsWifiMonitor.h"
 #include "nsWifiAccessPoint.h"
 #include "nsServiceManagerUtils.h"
 #include "nsComponentManagerUtils.h"
 #include "mozilla/Services.h"
 #include "nsIInterfaceRequestor.h"
 #include "nsIInterfaceRequestorUtils.h"
 using namespace mozilla;
 #if defined(PR_LOGGING)
 PRLogModuleInfo *gWifiMonitorLog;
 #endif
 NS_IMPL_ISUPPORTS(nsWifiMonitor,
                   nsIWifiMonitor,
                   nsIObserver,
                   nsIWifiScanResultsReady)
 nsWifiMonitor::nsWifiMonitor()
 {
 #if defined(PR_LOGGING)
   gWifiMonitorLog = PR_NewLogModule("WifiMonitor");
 #endif
   nsCOMPtr<nsIObserverService> obsSvc = mozilla::services::GetObserverService();
   if (obsSvc) {
     obsSvc->AddObserver(this, "xpcom-shutdown", false);
   }
   LOG(("@@@@@ wifimonitor created\n"));
 }
 nsWifiMonitor::~nsWifiMonitor()
 {
 }
 NS_IMETHODIMP
 nsWifiMonitor::StartWatching(nsIWifiListener *aListener)
 {
   LOG(("@@@@@ nsWifiMonitor::StartWatching\n"));
   NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
   if (!aListener) {
     return NS_ERROR_NULL_POINTER;
   }
   mListeners.AppendElement(nsWifiListener(new nsMainThreadPtrHolder<nsIWifiListener>(aListener)));
   if (!mTimer) {
     mTimer = do_CreateInstance("@mozilla.org/timer;1");
     mTimer->Init(this, 5000, nsITimer::TYPE_REPEATING_SLACK);
   }
   return NS_OK;
 }
 NS_IMETHODIMP
 nsWifiMonitor::StopWatching(nsIWifiListener *aListener)
 {
   LOG(("@@@@@ nsWifiMonitor::StopWatching\n"));
   NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
   if (!aListener) {
     return NS_ERROR_NULL_POINTER;
   }
   for (uint32_t i = 0; i < mListeners.Length(); i++) {
     if (mListeners[i].mListener == aListener) {
       mListeners.RemoveElementAt(i);
       break;
     }
   }
   if (mListeners.Length() == 0) {
     ClearTimer();
   }
   return NS_OK;
 }
 NS_IMETHODIMP
 nsWifiMonitor::Observe(nsISupports *subject, const char *topic,
                        const char16_t *data)
 {
   if (!strcmp(topic, "timer-callback")) {
     LOG(("timer callback\n"));
     nsCOMPtr<nsIInterfaceRequestor> ir = do_GetService("@mozilla.org/telephony/system-worker-manager;1");
     nsCOMPtr<nsIWifi> wifi = do_GetInterface(ir);
     if (!wifi) {
       return NS_ERROR_UNEXPECTED;
     }
     wifi->GetWifiScanResults(this);
     return NS_OK;
   }
   if (!strcmp(topic, "xpcom-shutdown")) {
     LOG(("Shutting down\n"));
     ClearTimer();
     return NS_OK;
   }
   return NS_ERROR_UNEXPECTED;
 }
 NS_IMETHODIMP
 nsWifiMonitor::Onready(uint32_t count, nsIWifiScanResult **results)
 {
   NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
   LOG(("@@@@@ About to send data to the wifi listeners\n"));
   nsCOMArray<nsWifiAccessPoint> accessPoints;
   for (uint32_t i = 0; i < count; i++) {
     nsRefPtr<nsWifiAccessPoint> ap = new nsWifiAccessPoint();
     nsString temp;
     results[i]->GetBssid(temp);
     //   00:00:00:00:00:00 --> 00-00-00-00-00-00
     for (int32_t x=0; x<6; x++) {
       temp.ReplaceSubstring(NS_LITERAL_STRING(":"), NS_LITERAL_STRING("-")); // would it be too much to ask for a ReplaceAll()?
     }
     nsCString mac;
     mac.AssignWithConversion(temp);
     results[i]->GetSsid(temp);
     nsCString ssid;
     ssid.AssignWithConversion(temp);
     uint32_t signal;
     results[i]->GetSignalStrength(&signal);
     ap->setSignal(signal);
     ap->setMacRaw(mac.get());
     ap->setSSIDRaw(ssid.get(), ssid.Length());
     accessPoints.AppendObject(ap);
   }
   bool accessPointsChanged = !AccessPointsEqual(accessPoints, mLastAccessPoints);
   ReplaceArray(mLastAccessPoints, accessPoints);
   nsTArray<nsIWifiAccessPoint*> ac;
   uint32_t resultCount = mLastAccessPoints.Count();
   for (uint32_t i = 0; i < resultCount; i++) {
     ac.AppendElement(mLastAccessPoints[i]);
   }
   for (uint32_t i = 0; i < mListeners.Length(); i++) {
     if (!mListeners[i].mHasSentData || accessPointsChanged) {
       mListeners[i].mHasSentData = true;
       mListeners[i].mListener->OnChange(ac.Elements(), ac.Length());
     }
   }
   return NS_OK;
 }
 NS_IMETHODIMP
 nsWifiMonitor::Onfailure()
 {
   NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
   LOG(("@@@@@ About to send error to the wifi listeners\n"));
   for (uint32_t i = 0; i < mListeners.Length(); i++) {
     mListeners[i].mListener->OnError(NS_ERROR_UNEXPECTED);
   }
   ClearTimer();
   return NS_OK;
 }

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netwerk/wifi/nsWifiMonitorGonk.cpp@b8a032363ba2 (annotated)

netwerk/wifi/nsWifiMonitorGonk.cpp