mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-28 15:23:51 +00:00
78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/* 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 "nsWifiMonitor.h"
|
|
|
|
// moz headers (alphabetical)
|
|
#include "nsAutoPtr.h"
|
|
#include "nsCOMArray.h"
|
|
#include "nsComponentManagerUtils.h"
|
|
#include "nsIMutableArray.h"
|
|
#include "nsServiceManagerUtils.h"
|
|
#include "nsWifiAccessPoint.h"
|
|
#include "win_wifiScanner.h"
|
|
#include "win_xp_wifiScanner.h"
|
|
#include "mozilla/WindowsVersion.h"
|
|
|
|
using namespace mozilla;
|
|
|
|
/**
|
|
* `nsWifiMonitor` is declared in the cross-platform nsWifiMonitor.h and
|
|
* is mostly defined in the cross-platform nsWifiMonitor.cpp. This function
|
|
* is implemented in various platform-specific files but the implementation
|
|
* is almost identical in each file. We relegate the Windows-specific
|
|
* work to the `WinWifiScanner` class and deal with non-Windows-specific
|
|
* issues like calling listeners here. Hopefully this file can be merged
|
|
* with the other implementations of `nsWifiMonitor::DoScan` since a lot
|
|
* of the code is identical
|
|
*/
|
|
nsresult
|
|
nsWifiMonitor::DoScan()
|
|
{
|
|
if (!mWinWifiScanner) {
|
|
if (IsWin2003OrLater()) {
|
|
mWinWifiScanner = new WinWifiScanner();
|
|
LOG(("Using Windows 2003+ wifi scanner."));
|
|
} else {
|
|
mWinWifiScanner = new WinXPWifiScanner();
|
|
LOG(("Using Windows XP wifi scanner."));
|
|
}
|
|
|
|
if (!mWinWifiScanner) {
|
|
// TODO: Probably return OOM error
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
|
|
// Regularly get the access point data.
|
|
|
|
nsCOMArray<nsWifiAccessPoint> lastAccessPoints;
|
|
nsCOMArray<nsWifiAccessPoint> accessPoints;
|
|
|
|
do {
|
|
accessPoints.Clear();
|
|
nsresult rv = mWinWifiScanner->GetAccessPointsFromWLAN(accessPoints);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
bool accessPointsChanged = !AccessPointsEqual(accessPoints, lastAccessPoints);
|
|
ReplaceArray(lastAccessPoints, accessPoints);
|
|
|
|
rv = CallWifiListeners(lastAccessPoints, accessPointsChanged);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// wait for some reasonable amount of time. pref?
|
|
LOG(("waiting on monitor\n"));
|
|
|
|
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
|
|
if (mKeepGoing) {
|
|
mon.Wait(PR_SecondsToInterval(kDefaultWifiScanInterval));
|
|
}
|
|
}
|
|
while (mKeepGoing);
|
|
|
|
return NS_OK;
|
|
}
|