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/* This file is part of the KDE Project
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Copyright (c) 2004-2005 Jรฉrรดme Lodewyck <jerome dot lodewyck at normalesup dot org> |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Library General Public |
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License version 2 as published by the Free Software Foundation. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Library General Public License for more details. |
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You should have received a copy of the GNU Library General Public License |
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along with this library; see the file COPYING.LIB. If not, write to |
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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Boston, MA 02110-1301, USA. |
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*/ |
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/**
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* This is a media:/ backend for the freedesktop Hardware Abstraction Layer |
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* Usage : create an instance of HALBackend, then call InitHal(). A false |
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* result from the later function means that something went wrong and that |
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* the backend shall not be used. |
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* |
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* @author Jรฉrรดme Lodewyck <jerome dot lodewyck at normalesup dot org> |
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* @short media:/ backend for the HAL |
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*/ |
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#ifndef _HALBACKEND_H_ |
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#define _HALBACKEND_H_ |
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#include "backendbase.h" |
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#include <tqobject.h> |
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#include <tqstringlist.h> |
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#include <tqstring.h> |
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#include <tqregexp.h> |
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#include <config.h> |
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/* We acknowledge the the dbus API is unstable */ |
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#define DBUS_API_SUBJECT_TO_CHANGE |
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/* DBus-Qt bindings */ |
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#include <dbus/connection.h> |
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/* HAL libraries */ |
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#include <libhal.h> |
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#include <libhal-storage.h> |
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namespace TDEIO { |
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class Job; |
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} |
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class HALBackend : public TQObject, public BackendBase |
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{ |
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Q_OBJECT |
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public: |
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/**
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* Constructor |
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*/ |
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HALBackend(MediaList &list, TQObject* parent); |
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/**
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* Destructor |
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*/ |
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~HALBackend(); |
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/**
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* Perform HAL initialization. |
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* |
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* @return true if succeded. If not, rely on some other backend |
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*/ |
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bool InitHal(); |
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/**
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* List all devices and append them to the media device list (called only once, at startup). |
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* |
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* @return true if succeded, false otherwise |
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*/ |
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bool ListDevices(); |
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TQStringList mountoptions(const TQString &id); |
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bool setMountoptions(const TQString &id, const TQStringList &options); |
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TQStringVariantMap mount(const TQString &id); |
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TQStringVariantMap mount(const Medium *medium); |
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TQStringVariantMap unmount(const TQString &id); |
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TQStringVariantMap unlock(const TQString &id, const TQString &password); |
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TQStringVariantMap lock(const TQString &id); |
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private: |
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/**
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* Append a device in the media list. This function will check if the device |
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* is worth listing. |
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* |
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* @param udi Universal Device Id |
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* @param allowNotification Indicates if this event will be notified to the user |
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*/ |
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void AddDevice(const char* udi, bool allowNotification=true); |
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/**
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* Remove a device from the device list |
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* |
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* @param udi Universal Device Id |
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*/ |
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void RemoveDevice(const char* udi); |
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/**
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* A device has changed, update it |
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* |
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* @param udi Universal Device Id |
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*/ |
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void ModifyDevice(const char *udi, const char* key); |
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/**
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* HAL informed that a special action has occured |
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* (e.g. device unplugged without unmounting) |
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* |
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* @param udi Universal Device Id |
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*/ |
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void DeviceCondition(const char *udi, const char *condition); |
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/**
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* Integrate the DBus connection within qt main loop |
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*/ |
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void MainLoopIntegration(DBusConnection *dbusConnection); |
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/* Set media properties */ |
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private: |
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/**
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* Reset properties for the given medium |
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*/ |
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void ResetProperties(const char* MediumUdi, bool allowNotification=false); |
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/**
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* Find the medium that is concerned with device udi |
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*/ |
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const char* findMediumUdiFromUdi(const char* udi); |
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void setVolumeProperties(Medium* medium); |
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bool setFloppyProperties(Medium* medium); |
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void setFloppyMountState( Medium* medium ); |
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bool setFstabProperties(Medium* medium); |
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void setCameraProperties(Medium* medium); |
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TQString generateName(const TQString &devNode); |
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static TQString isInFstab(const Medium *medium); |
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static TQString listUsingProcesses(const Medium *medium); |
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static TQString killUsingProcesses(const Medium *medium); |
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private slots: |
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void slotResult(TDEIO::Job *job); |
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/* Hal call-backs -- from gvm*/ |
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public: |
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/** Invoked when a device is added to the Global Device List.
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* |
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* @param ctx LibHal context |
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* @param udi Universal Device Id |
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*/ |
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static void hal_device_added(LibHalContext *ctx, const char *udi); |
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/** Invoked when a device is removed from the Global Device List.
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* |
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* @param ctx LibHal context |
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* @param udi Universal Device Id |
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*/ |
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static void hal_device_removed(LibHalContext *ctx, const char *udi); |
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/** Invoked when a property of a device in the Global Device List is
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* changed, and we have we have subscribed to changes for that device. |
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* |
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* @param ctx LibHal context |
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* @param udi Univerisal Device Id |
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* @param key Key of property |
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*/ |
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static void hal_device_property_modified(LibHalContext *ctx, const char *udi, const char *key, |
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dbus_bool_t is_removed, dbus_bool_t is_added); |
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/** Type for callback when a non-continuos condition occurs on a device
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* |
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* @param udi Univerisal Device Id |
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* @param condition_name Name of the condition |
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* @param message D-BUS message with variable parameters depending on condition |
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*/ |
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static void hal_device_condition(LibHalContext *ctx, const char *udi, |
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const char *condition_name, |
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const char* message |
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); |
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TQStringList getHALmountoptions(TQString udi); |
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/* HAL and DBus structures */ |
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private: |
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/**
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* The HAL context connecting the whole application to the HAL |
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*/ |
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LibHalContext* m_halContext; |
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/**
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* libhal-storage HAL policy, e.g. for icon names |
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*/ |
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LibHalStoragePolicy* m_halStoragePolicy; |
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/**
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* The DBus-Qt bindings connection for mainloop integration |
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*/ |
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DBusQt::Connection* m_dBusQtConnection; |
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/**
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* Object for the kded module |
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*/ |
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TQObject* m_parent; |
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DBusConnection *dbus_connection; |
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/**
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* Data structure for fstab mount/unmount jobs |
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*/ |
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struct mount_job_data { |
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// [in] Medium, which is being mounted/unmounted by the job
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const Medium* medium; |
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// [in,out] Should be set to true when the job completes
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bool completed; |
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// [out] TDEIO::Error if an error occured during operation. Otherwise, 0
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int error; |
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// [out] Error message to be displayed to the user
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TQString errorMessage; |
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}; |
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TQMap<TDEIO::Job *, struct mount_job_data*> mount_jobs; |
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}; |
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#endif /* _HALBACKEND_H_ */ |
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