117 lines
4.1 KiB
C++
117 lines
4.1 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsAutodialWin_h__
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#define nsAutodialWin_h__
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#include <windows.h>
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#include <ras.h>
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#include <rasdlg.h>
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#include <raserror.h>
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#include "nscore.h"
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#include "nspr.h"
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// For Windows NT 4, 2000, and XP, we sometimes want to open the RAS dialup
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// window ourselves, since those versions aren't very nice about it.
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// See bug 93002. If the RAS autodial service is running, (Remote Access
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// Auto Connection Manager, aka RasAuto) we will force it to dial
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// on network error by adding the target address to the autodial
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// database. If the service is not running, we will open the RAS dialogs
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// instead.
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//
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// The OS can be configured to always dial, or dial when there is no
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// connection. We implement both by dialing when a network error occurs.
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//
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// An object of this class checks with the OS when it is constructed and
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// remembers those settings. If required, it can be resynced with
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// the OS at anytime with the Init() method. At the time of implementation,
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// the caller creates an object of this class each time a network error occurs.
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// In this case, the initialization overhead is not significant, and it will
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// guaranteed to be in sync with OS.
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//
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// To use, create an instance and call ShouldDialOnNetworkError() to determine
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// if you should dial or not. That function only return true for the
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// target OS's so the caller doesn't have to deal with OS version checking.
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//
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class nsAutodial
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{
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private:
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//
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// Some helper functions to query the OS for autodial configuration.
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//
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// Determine if the autodial service is running on this PC.
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bool IsAutodialServiceRunning();
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// Get the number of RAS connection entries configured from the OS.
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int NumRASEntries();
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// Get the name of the default connection from the OS.
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nsresult GetDefaultEntryName(wchar_t* entryName, int bufferSize);
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// Get the name of the first RAS dial entry from the OS.
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nsresult GetFirstEntryName(wchar_t* entryName, int bufferSize);
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// Check to see if RAS already has a dialup connection going.
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bool IsRASConnected();
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// Get the autodial behavior from the OS.
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int QueryAutodialBehavior();
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// Add the specified address to the autodial directory.
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bool AddAddressToAutodialDirectory(char16ptr_t hostName);
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// Get the current TAPI dialing location.
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int GetCurrentLocation();
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// See if autodial is enabled for specified location.
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bool IsAutodialServiceEnabled(int location);
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//
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// Autodial behavior. This comes from the Windows registry, set in the ctor.
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// Object won't pick up changes to the registry automatically, but can be
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// refreshed at anytime by calling Init(). So if the user changed the
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// autodial settings, they wouldn't be noticed unless Init() is called.
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int mAutodialBehavior;
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int mAutodialServiceDialingLocation;
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enum { AUTODIAL_NEVER = 1 }; // Never autodial.
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enum { AUTODIAL_ALWAYS = 2 }; // Always autodial as set in Internet Options.
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enum { AUTODIAL_ON_NETWORKERROR = 3 }; // Autodial when a connection error occurs as set in Internet Options.
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enum { AUTODIAL_USE_SERVICE = 4 }; // Use the RAS autodial service to dial.
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// Number of RAS connection entries in the phonebook.
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int mNumRASConnectionEntries;
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// Default connection entry name.
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wchar_t mDefaultEntryName[RAS_MaxEntryName + 1];
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// Don't try to dial again within a few seconds of when user pressed cancel.
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static PRIntervalTime mDontRetryUntil;
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public:
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// ctor
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nsAutodial();
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// dtor
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virtual ~nsAutodial();
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// Get the autodial info from the OS and init this obj with it. Call it any
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// time to refresh the object's settings from the OS.
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nsresult Init();
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// Dial the default RAS dialup connection.
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nsresult DialDefault(const char16_t* hostName);
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// Should we try to dial on network error?
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bool ShouldDialOnNetworkError();
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};
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#endif // !nsAutodialWin_h__
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