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Diffstat (limited to 'framework/inc/services/autorecovery.hxx')
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diff --git a/framework/inc/services/autorecovery.hxx b/framework/inc/services/autorecovery.hxx new file mode 100644 index 000000000000..ed3630ed1583 --- /dev/null +++ b/framework/inc/services/autorecovery.hxx @@ -0,0 +1,1018 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: autorecovery.hxx,v $ + * $Revision: 1.15 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef __FRAMEWORK_SERVICES_AUTORECOVERY_HXX_ +#define __FRAMEWORK_SERVICES_AUTORECOVERY_HXX_ + +//_______________________________________________ +// own includes + +#include <threadhelp/threadhelpbase.hxx> +#include <macros/xinterface.hxx> +#include <macros/xtypeprovider.hxx> +#include <macros/xserviceinfo.hxx> +#include <general.h> +#include <stdtypes.h> + +//_______________________________________________ +// interface includes +#include <com/sun/star/uno/XInterface.hpp> +#include <com/sun/star/lang/XTypeProvider.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/frame/XDispatch.hpp> +#include <com/sun/star/container/XNameAccess.hpp> +#include <com/sun/star/document/XEventListener.hpp> +#include <com/sun/star/document/XEventBroadcaster.hpp> +#include <com/sun/star/frame/XModel.hpp> +#include <com/sun/star/util/XChangesListener.hpp> +#include <com/sun/star/task/XStatusIndicator.hpp> +#include <com/sun/star/util/XModifyListener.hpp> + +//_______________________________________________ +// other includes +#include <comphelper/mediadescriptor.hxx> +#include <vcl/timer.hxx> +#include <vcl/evntpost.hxx> +#include <cppuhelper/interfacecontainer.hxx> +#include <cppuhelper/propshlp.hxx> +#include <cppuhelper/weak.hxx> + +//_______________________________________________ +// definition + +#ifndef css +namespace css = ::com::sun::star; +#endif + +namespace framework +{ + +//--------------------------------------- +/** @short hold all needed informations for an asynchronous dispatch alive. + + @descr Because some operations are forced to be executed asynchronously + (e.g. requested by our CreashSave/Recovery dialog) ... we must make sure + that these informations wont be set as "normal" members of our AtoRecovery + instance. Otherwise they can disturb our normal AutoSave-timer handling. + e.g. it can be unclear then, which progress has to be used for storing documents ... + */ +struct DispatchParams +{ + public: + DispatchParams(); + DispatchParams(const ::comphelper::SequenceAsHashMap& lArgs , + const css::uno::Reference< css::uno::XInterface >& xOwner); + DispatchParams(const DispatchParams& rCopy); + ~DispatchParams(); + + DispatchParams& operator=(const DispatchParams& rCopy); + void forget(); + + public: + + //--------------------------------------- + /** @short can be set from outside and is provided to + our internal started operations. + + @descr Normaly we use the normal status indicator + of the document windows to show a progress. + But in case we are used by any special UI, + it can provide its own status indicator object + to us - so we use it instead of the normal one. + */ + css::uno::Reference< css::task::XStatusIndicator > m_xProgress; + + //--------------------------------------- + /** TODO document me */ + ::rtl::OUString m_sSavePath; + + //--------------------------------------- + /** @short define the current cache entry, which should be used for current + backup or cleanUp operation ... which is may be done asynchronous */ + sal_Int32 m_nWorkingEntryID; + + //--------------------------------------- + /** @short used for asyncoperations, to prevent us from dying. + + @descr If our dispatch() method was forced to start the + internal operation asynchronous ... we send an event + to start and return immediatly. But we must be shure that + our instance live if the event callback reach us. + So we hold an uno reference to ourself. + */ + css::uno::Reference< css::uno::XInterface > m_xHoldRefForAsyncOpAlive; +}; + +//_______________________________________________ +/** + implements the functionality of AutoSave and AutoRecovery + of documents - including features of an EmergencySave in + case a GPF occures. + */ +class AutoRecovery : public css::lang::XTypeProvider + , public css::lang::XServiceInfo + , public css::frame::XDispatch + , public css::document::XEventListener // => css.lang.XEventListener + , public css::util::XChangesListener // => css.lang.XEventListener + , public css::util::XModifyListener // => css.lang.XEventListener + // attention! Must be the first base class to guarentee right initialize lock ... + , private ThreadHelpBase + , public ::cppu::OBroadcastHelper + , public ::cppu::OPropertySetHelper // => XPropertySet, XFastPropertySet, XMultiPropertySet + , public ::cppu::OWeakObject +{ + //___________________________________________ + // types + + public: + + /** These values are used as flags and represent the current state of a document. + Every state of the life time of a document has to be recognized here. + + @attention Do not change (means reorganize) already used numbers. + There exists some code inside SVX, which uses the same numbers, + to analyze such document states. + Not the best design ... but may be it will be changed later .-) + */ + enum EDocStates + { + /* TEMP STATES */ + + /// default state, if a document was new created or loaded + E_UNKNOWN = 0, + /// modified against the original file + E_MODIFIED = 1, + /** We differe between the states: "modified in general" and "modified after last AutoSave". + The first state will be interesting in case the crashed document will be restored. Then we have + set the right modify state after loading the document. But the second state let us optimize the + AutoSave itself. see member ListenForModify too ... + */ + E_MODIFIED_SINCE_LAST_AUTOSAVE = 1024, + /// an active document can be postponed to be saved later. + E_POSTPONED = 2, + /// was already handled during one AutoSave/Recovery session. + E_HANDLED = 4, + /** an action was started (saving/loading) ... Can be interesting later if the process may be was interrupted by an exception. */ + E_TRY_SAVE = 8, + E_TRY_LOAD_BACKUP = 16, + E_TRY_LOAD_ORIGINAL = 32, + + /* FINAL STATES */ + + /// the Auto/Emergency saved document isnt useable any longer + E_DAMAGED = 64, + /// the Auto/Emergency saved document isnt realy up-to-date (some changes can be missing) + E_INCOMPLETE = 128, + /// the Auto/Emergency saved document was processed successfully + E_SUCCEDED = 512 + }; + + /** @short indicates the results of a FAILURE_SAFE operation + + @descr We must know, which reason was the real one in case + we couldnt copy a "failure document" to a user specified path. + We must know, if we can forget our cache entry or not. + */ + enum EFailureSafeResult + { + E_COPIED, + E_ORIGINAL_FILE_MISSING, + E_WRONG_TARGET_PATH + }; + + // TODO document me + enum ETimerType + { + /** the timer shouldnt be used next time */ + E_DONT_START_TIMER, + /** timer (was/must be) started with normal AutoSaveTimeIntervall */ + E_NORMAL_AUTOSAVE_INTERVALL, + /** timer must be started with special short time intervall, + to poll for an user idle period */ + E_POLL_FOR_USER_IDLE, + /** timer mst be started with a very(!) short time intervall, + to poll for the end of an user action, which does not allow saving documents in general */ + E_POLL_TILL_AUTOSAVE_IS_ALLOWED, + /** dont start the timer - but calls the same action then before immediatly again! */ + E_CALL_ME_BACK + }; + + // TODO document me ... flag field + // Emergency_Save and Recovery overwrites Auto_Save! + enum EJob + { + E_NO_JOB = 0, + E_AUTO_SAVE = 1, + E_EMERGENCY_SAVE = 2, + E_RECOVERY = 4, + E_ENTRY_BACKUP = 8, + E_ENTRY_CLEANUP = 16, + E_PREPARE_EMERGENCY_SAVE = 32, + E_SESSION_SAVE = 64, + E_SESSION_RESTORE = 128, + E_DISABLE_AUTORECOVERY = 256, + E_SET_AUTOSAVE_STATE = 512, + E_SESSION_QUIET_QUIT = 1024 + }; + + //--------------------------------------- + /** @short combine different informations about one office document. */ + struct TDocumentInfo + { + public: + + //------------------------------- + TDocumentInfo() + : DocumentState (E_UNKNOWN) + , UsedForSaving (sal_False) + , ListenForModify (sal_False) + , IgnoreClosing (sal_False) + , ID (-1 ) + {} + + //------------------------------- + /** @short points to the document. */ + css::uno::Reference< css::frame::XModel > Document; + + //------------------------------- + /** @short knows, if the document is realy modified since the last autosave, + or was postponed, because it was an active one etcpp... + + @descr Because we have no CHANGE TRACKING mechanism, based on office document, + we implements it by ourself. We listen for MODIFIED events + of each document and update this state flag here. + + Further we postpone saving of active documents, e.g. if the user + works currently on it. We wait for an idle period then ... + */ + sal_Int32 DocumentState; + + //------------------------------- + /** Because our applications not ready for concurrent save requests at the same time, + we have supress our own AutoSave for the moment, a document will be already saved + by others. + */ + sal_Bool UsedForSaving; + + //------------------------------- + /** For every user action, which modifies a document (e.g. key input) we get + a notification as XModifyListener. That seams to be a "performance issue" .-) + So we decided to listen for such modify events only for the time in which the document + was stored as temp. file and was not modified again by the user. + */ + sal_Bool ListenForModify; + + //------------------------------- + /** For SessionSave we must close all open documents by ourself. + But because we are listen for documents events, we get some ... + and deregister these documents from our configuration. + That's why we mark these documents as "Closed by ourself" so we can + ignore these "OnUnload" or disposing() events .-) + */ + sal_Bool IgnoreClosing; + + //------------------------------- + /** TODO: document me */ + ::rtl::OUString OrgURL; + ::rtl::OUString FactoryURL; + ::rtl::OUString TemplateURL; + + ::rtl::OUString OldTempURL; + ::rtl::OUString NewTempURL; + + ::rtl::OUString AppModule; // e.g. com.sun.star.text.TextDocument - used to identify app module + ::rtl::OUString RealFilter; // real filter, which was used at loading time + ::rtl::OUString DefaultFilter; // supports saving of the default format without loosing data + ::rtl::OUString Extension; // file extension of the default filter + ::rtl::OUString Title; // can be used as "DisplayName" on every recovery UI! + + sal_Int32 ID; + }; + + //--------------------------------------- + /** @short used to know every currently open document. */ + typedef ::std::vector< TDocumentInfo > TDocumentList; + + //___________________________________________ + // member + + private: + + //--------------------------------------- + /** @short the global uno service manager. + @descr Must be used to create own needed services. + */ + css::uno::Reference< css::lang::XMultiServiceFactory > m_xSMGR; + + //--------------------------------------- + /** @short points to the underlying recovery configuration. + @descr This instance does not cache - it calls directly the + configuration API! + */ + css::uno::Reference< css::container::XNameAccess > m_xRecoveryCFG; + + //--------------------------------------- + /** @short points to the used configuration package or.openoffice.Setup + @descr This instance does not cache - it calls directly the + configuration API! + */ + css::uno::Reference< css::container::XNameAccess > m_xModuleCFG; + + //--------------------------------------- + /** @short holds the global event broadcaster alive, + where we listen for new created documents. + */ + css::uno::Reference< css::document::XEventBroadcaster > m_xNewDocBroadcaster; + + //--------------------------------------- + /** @short because we stop/restart listening sometimes, it's a good idea to know + if we already registered as listener .-) + */ + sal_Bool m_bListenForDocEvents; + sal_Bool m_bListenForConfigChanges; + + //--------------------------------------- + /** @short specify the time intervall between two save actions. + @descr Time is measured in [min]. + */ + sal_Int32 m_nAutoSaveTimeIntervall; + + //--------------------------------------- + /** @short for an asynchronous operation we must know, if there is + at least one running job (may be asynchronous!). + */ + sal_Int32 m_eJob; + + //--------------------------------------- + /** @short the timer, which is used to be informed about the next + saving time ... + */ + Timer m_aTimer; + + //--------------------------------------- + /** @short make our dispatch asynchronous ... if required to do so! */ + ::vcl::EventPoster m_aAsyncDispatcher; + + //--------------------------------------- + /** @see DispatchParams + */ + DispatchParams m_aDispatchParams; + + //--------------------------------------- + /** @short indicates, which time period is currently used by the + internal timer. + */ + ETimerType m_eTimerType; + + //--------------------------------------- + /** @short this cache is used to hold all informations about + recovery/emergency save documents alive. + */ + TDocumentList m_lDocCache; + + //--------------------------------------- + // TODO document me + sal_Int32 m_nIdPool; + + //--------------------------------------- + /** @short contains all status listener registered at this instance. + */ + ListenerHash m_lListener; + + /** @descr This member is used to prevent us against re-entrance problems. + A mutex cant help to prevent us from concurrent using of members + inside the same thread. But e.g. our internaly used stl structures + are not threadsafe ... and furthermore they cant be used at the same time + for iteration and add/remove requests! + So we have to detect such states and ... show a warning. + May be there will be a better solution next time ... (copying the cache temp. + bevor using). + + And further it's not possible to use a simple boolean value here. + Because if more then one operation iterates over the same stl container ... + (only to modify it's elements but dont add new or removing existing ones!) + it should be possible doing so. But we must guarantee that the last operation reset + this lock ... not the first one ! So we use a "ref count" mechanism for that." + */ + sal_Int32 m_nDocCacheLock; + + /** @descr These members are used to check the minimum disc space, which must exists + to start the corresponding operation. + */ + sal_Int32 m_nMinSpaceDocSave; + sal_Int32 m_nMinSpaceConfigSave; + + //--------------------------------------- + /** @short special debug option to make testing faster. + + @descr We dont interpret the timer unit as [min] ... + we use [ms] instead of that. Further we dont + wait 10 s for user idle ... + */ + #if OSL_DEBUG_LEVEL > 1 + sal_Bool m_dbg_bMakeItFaster; + #endif + + //--------------------------------------- + // HACK ... TODO + css::uno::Reference< css::task::XStatusIndicator > m_xExternalProgress; + + //___________________________________________ + // interface + + public: + + AutoRecovery(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR); + virtual ~AutoRecovery( ); + + // XInterface, XTypeProvider, XServiceInfo + FWK_DECLARE_XINTERFACE + FWK_DECLARE_XTYPEPROVIDER + DECLARE_XSERVICEINFO + + //--------------------------------------- + // css.frame.XDispatch + virtual void SAL_CALL dispatch(const css::util::URL& aURL , + const css::uno::Sequence< css::beans::PropertyValue >& lArguments) + throw(css::uno::RuntimeException); + + virtual void SAL_CALL addStatusListener(const css::uno::Reference< css::frame::XStatusListener >& xListener, + const css::util::URL& aURL ) + throw(css::uno::RuntimeException); + + virtual void SAL_CALL removeStatusListener(const css::uno::Reference< css::frame::XStatusListener >& xListener, + const css::util::URL& aURL ) + throw(css::uno::RuntimeException); + + //--------------------------------------- + // css.document.XEventListener + /** @short informs about created/opened documents. + + @descr Every new opened/created document will be saved internaly + so it can be checked if its modified. This modified state + is used later to decide, if it must be saved or not. + + @param aEvent + points to the new created/opened document. + */ + virtual void SAL_CALL notifyEvent(const css::document::EventObject& aEvent) + throw(css::uno::RuntimeException); + + //--------------------------------------- + // css.util.XChangesListener + virtual void SAL_CALL changesOccurred(const css::util::ChangesEvent& aEvent) + throw(css::uno::RuntimeException); + + //--------------------------------------- + // css.util.XModifyListener + virtual void SAL_CALL modified(const css::lang::EventObject& aEvent) + throw(css::uno::RuntimeException); + + //--------------------------------------- + // css.lang.XEventListener + using cppu::OPropertySetHelper::disposing; + virtual void SAL_CALL disposing(const css::lang::EventObject& aEvent) + throw(css::uno::RuntimeException); + + //___________________________________________ + // helper + + protected: + + //--------------------------------------- + // OPropertySetHelper + + virtual sal_Bool SAL_CALL convertFastPropertyValue( css::uno::Any& aConvertedValue, + css::uno::Any& aOldValue , + sal_Int32 nHandle , + const css::uno::Any& aValue ) + throw(css::lang::IllegalArgumentException); + + virtual void SAL_CALL setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, + const css::uno::Any& aValue ) + throw(css::uno::Exception); + using cppu::OPropertySetHelper::getFastPropertyValue; + virtual void SAL_CALL getFastPropertyValue(css::uno::Any& aValue , + sal_Int32 nHandle) const; + + virtual ::cppu::IPropertyArrayHelper& SAL_CALL getInfoHelper(); + + virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo() + throw(css::uno::RuntimeException); + //___________________________________________ + // helper + + private: + + //--------------------------------------- + /** @short open the underlying configuration. + + @descr This method must be called everytimes + a configuartion call is needed. Because + method works together with the member + m_xCFG, open it on demand and cache it + afterwards. + + @return [com.sun.star.container.XNameAccess] + the configuration object + + @throw [com.sun.star.uno.RuntimeException] + if config could not be opened successfully! + + @threadsafe + */ + css::uno::Reference< css::container::XNameAccess > implts_openConfig(); + + //--------------------------------------- + /** @short read the underlying configuration. + + @descr After that we know the initial state - means: + - if AutoSave was enabled by the user + - which time intervall has to be used + - which recovery entries may already exists + + @throw [com.sun.star.uno.RuntimeException] + if config could not be opened or readed successfully! + + @threadsafe + */ + void implts_readConfig(); + + //--------------------------------------- + /** @short read the underlying configuration... + + @descr ... but only keys related to the AutoSave mechanism. + Means: State and Timer intervall. + E.g. the recovery list isnt adressed here. + + @throw [com.sun.star.uno.RuntimeException] + if config could not be opened or readed successfully! + + @threadsafe + */ + void implts_readAutoSaveConfig(); + + //--------------------------------------- + // TODO document me + void implts_flushConfigItem(const AutoRecovery::TDocumentInfo& rInfo , + sal_Bool bRemoveIt = sal_False); + + //--------------------------------------- + // TODO document me + void implts_startListening(); + void implts_startModifyListeningOnDoc(AutoRecovery::TDocumentInfo& rInfo); + + //--------------------------------------- + // TODO document me + void implts_stopListening(); + void implts_stopModifyListeningOnDoc(AutoRecovery::TDocumentInfo& rInfo); + + //--------------------------------------- + /** @short stops and may be(!) restarts the timer. + + @descr A running timer is stopped everytimes here. + But starting depends from the different internal + timer variables (e.g. AutoSaveEnabled, AutoSaveTimeIntervall, + TimerType etcpp.) + + @throw [com.sun.star.uno.RuntimeException] + if timer could not be stopped or started! + + @threadsafe + */ + void implts_actualizeTimer(); + + //--------------------------------------- + /** @short stop the timer. + + @descr Double calls will be ignored - means we do + nothing here, if the timer is already disabled. + + @throw [com.sun.star.uno.RuntimeException] + if timer could not be stopped! + + @threadsafe + */ + void implts_stopTimer(); + + //--------------------------------------- + /** @short callback of our internal timer. + */ + DECL_LINK(implts_timerExpired, void*); + + //--------------------------------------- + /** @short makes our dispatch() method asynchronous! + */ + DECL_LINK(implts_asyncDispatch, void*); + + //--------------------------------------- + /** @short implements the dispatch real. */ + void implts_dispatch(const DispatchParams& aParams); + + //--------------------------------------- + /** @short validate new detected document and add it into the internal + document list. + + @descr This method should be called only, if its clear that a new + document was opened/created during office runtime. + This method checks, if its a top level document (means not an embedded one). + Only such top level documents can be recognized by this auto save mechanism. + + @param xDocument + the new document, which should be checked and registered. + + @threadsafe + */ + void implts_registerDocument(const css::uno::Reference< css::frame::XModel >& xDocument); + + //--------------------------------------- + /** @short remove the specified document from our internal document list. + + @param xDocument + the new document, which should be deregistered. + + @param bStopListening + FALSE: must be used in case this method is called withion disposing() of the document, + where it make no sense to deregister our listener. The container dies ... + TRUE : must be used in case this method is used on "dergistration" of this document, where + we must deregister our listener .-) + + @threadsafe + */ + void implts_deregisterDocument(const css::uno::Reference< css::frame::XModel >& xDocument , + sal_Bool bStopListening = sal_True); + + //--------------------------------------- + // TODO document me + void implts_markDocumentModifiedAgainstLastBackup(const css::uno::Reference< css::frame::XModel >& xDocument); + + //--------------------------------------- + // TODO document me + void implts_actualizeModifiedState(const css::uno::Reference< css::frame::XModel >& xDocument); + + //--------------------------------------- + // TODO document me + void implts_updateDocumentUsedForSavingState(const css::uno::Reference< css::frame::XModel >& xDocument , + sal_Bool bSaveInProgress); + + //--------------------------------------- + // TODO document me + void implts_markDocumentAsSaved(const css::uno::Reference< css::frame::XModel >& xDocument); + + //--------------------------------------- + /** @short search a document inside given list. + + @param rList + reference to a vector, which can contain such + document. + + @param xDocument + the document, which should be located inside the + given list. + + @return [TDocumentList::iterator] + which points to the located document. + If document does not exists - its set to + rList.end()! + */ + static TDocumentList::iterator impl_searchDocument( AutoRecovery::TDocumentList& rList , + const css::uno::Reference< css::frame::XModel >& xDocument); + + //--------------------------------------- + /** TODO document me */ + void implts_changeAllDocVisibility(sal_Bool bVisible); + void implts_prepareSessionShutdown(); + + //--------------------------------------- + /** @short save all current opened documents to a specific + backup directory. + + @descr Only realy changed documents will be saved here. + + Further this method returns a suggestion, if and how it should + be called again. May be some documents was not saved yet + and must wait for an user idle period ... + + @param bAllowUserIdleLoop + Because this method is used for different uses cases, it must + know, which actions are allowed or not. + AUTO_SAVE => + If a document is the most active one, saving it + will be postponed if there exists other unsaved + documents. This feature was implemented, because + we dont wish to disturb the user on it's work. + ... bAllowUserIdleLoop should be set to TRUE + EMERGENCY_SAVE / SESSION_SAVE => + Here we must finish our work ASAP! It's not allowed + to postpone any document. + ... bAllowUserIdleLoop must(!) be set to FALSE + + @param pParams + sometimes this method is required inside an external dispatch request. + The it contains some special environment variables, which overwrites + our normal environment. + AutoSave => pParams == 0 + SessionSave/CrashSave => pParams != 0 + + @return A suggestion, how the timer (if its not already disabled!) + should be restarted to full fill the requirements. + + @threadsafe + */ + AutoRecovery::ETimerType implts_saveDocs( sal_Bool bAllowUserIdleLoop, + sal_Bool bRemoveLockFiles, + const DispatchParams* pParams = 0); + + //--------------------------------------- + /** @short save one of the current documents to a specific + backup directory. + + @descr It: + - defines a new(!) unique temp file name + - save the new temp file + - remove the old temp file + - patch the given info struct + - and return errors. + + It does not: + - patch the configuration. + + Note further: It paches the info struct + more then ones. E.g. the new temp URL is set + before the file is saved. And the old URL is removed + only if removing oft he old file was successfully. + If this method returns without an exception - everything + was OK. Otherwhise the info struct can be analyzed to + get more information, e.g. when the problem occures. + + @param sBackupPath + the base path for saving such temp files. + + @param rInfo + points to an informations structure, where + e.g. the document, its modified state, the count + of autosave-retries etcpp. exists. + Its used also to return the new temp file name + and some other state values! + + @threadsafe + */ + void implts_saveOneDoc(const ::rtl::OUString& sBackupPath , + AutoRecovery::TDocumentInfo& rInfo , + const css::uno::Reference< css::task::XStatusIndicator >& xExternalProgress); + + //--------------------------------------- + /** @short recovery all documents, which was saved during + a crash before. + + @return A suggestion, how this method must be called back! + + @threadsafe + */ + AutoRecovery::ETimerType implts_openDocs(const DispatchParams& aParams); + + //--------------------------------------- + // TODO document me + void implts_openOneDoc(const ::rtl::OUString& sURL , + ::comphelper::MediaDescriptor& lDescriptor, + AutoRecovery::TDocumentInfo& rInfo ); + + //--------------------------------------- + // TODO document me + void implts_generateNewTempURL(const ::rtl::OUString& sBackupPath , + ::comphelper::MediaDescriptor& rMediaDescriptor, + AutoRecovery::TDocumentInfo& rInfo ); + + //--------------------------------------- + /** @short notifies all interested listener about the current state + of the currently running operation. + + @descr We support different set's of functions. AUTO_SAVE, EMERGENCY_SAVE, + AUTO_RECOVERY, FAILURE_SAVE ... etcpp. + Listener can register itself for any type of supported + functionality ... but not for document URL's in special. + + @param eJob + is used to know, which set of listener we must notify. + + @param aEvent + describe the event more in detail. + + @threadsafe + */ + void implts_informListener( sal_Int32 eJob , + const css::frame::FeatureStateEvent& aEvent); + + //--------------------------------------- + /** short create a feature event struct, which can be send + to any interested listener. + + @param eJob + describe the current running operation + AUTOSAVE, EMERGENCYSAVE, RECOVERY + + @param sEventType + describe the type of this event + START, STOP, UPDATE + + @param pInfo + if sOperation is an update, this parameter must be different from NULL + and is used to send informations regarding the current handled document. + + @return [css::frame::FeatureStateEvent] + the event structure for sending. + */ + static css::frame::FeatureStateEvent implst_createFeatureStateEvent( sal_Int32 eJob , + const ::rtl::OUString& sEventType, + AutoRecovery::TDocumentInfo* pInfo ); + + //--------------------------------------- + + // TODO document me + void implts_resetHandleStates(sal_Bool bLoadCache); + + //--------------------------------------- + // TODO document me + void implts_specifyDefaultFilterAndExtension(AutoRecovery::TDocumentInfo& rInfo); + + //--------------------------------------- + // TODO document me + void implts_specifyAppModuleAndFactoryURL(AutoRecovery::TDocumentInfo& rInfo); + + //--------------------------------------- + // TODO document me + void implts_prepareEmergencySave(); + + //--------------------------------------- + // TODO document me + void implts_doEmergencySave(const DispatchParams& aParams); + + //--------------------------------------- + // TODO document me + void implts_doRecovery(const DispatchParams& aParams); + + //--------------------------------------- + // TODO document me + void implts_doSessionSave(const DispatchParams& aParams); + + //--------------------------------------- + // TODO document me + void implts_doSessionQuietQuit(const DispatchParams& aParams); + + //--------------------------------------- + // TODO document me + void implts_doSessionRestore(const DispatchParams& aParams); + + //--------------------------------------- + // TODO document me + void implts_backupWorkingEntry(const DispatchParams& aParams); + + //--------------------------------------- + // TODO document me + void implts_cleanUpWorkingEntry(const DispatchParams& aParams); + + //--------------------------------------- + /** try to make sure that all changed config items (not our used + config access only) will be flushed back to disc. + + E.g. our svtools::ConfigItems() has to be flushed explicitly .-( + + Note: This method cant fail. Flushing of config entries is an + optional feature. Errors can be ignored. + */ + void impl_flushALLConfigChanges(); + + //--------------------------------------- + // TODO document me + AutoRecovery::EFailureSafeResult implts_copyFile(const ::rtl::OUString& sSource , + const ::rtl::OUString& sTargetPath, + const ::rtl::OUString& sTargetName); + + //--------------------------------------- + /** @short converts m_eJob into a job description, which + can be used to inform an outside listener + about the current running operation + + @param eJob + describe the current running operation + AUTOSAVE, EMERGENCYSAVE, RECOVERY + + @return [string] + a suitable job description of form: + vnd.sun.star.autorecovery:/do... + */ + static ::rtl::OUString implst_getJobDescription(sal_Int32 eJob); + + //--------------------------------------- + /** @short mape the given URL to an internal int representation. + + @param aURL + the url, which describe the next starting or may be already running + operation. + + @return [long] + the internal int representation + see enum EJob + */ + static sal_Int32 implst_classifyJob(const css::util::URL& aURL); + + /// TODO + void implts_verifyCacheAgainstDesktopDocumentList(); + + /// TODO document me + sal_Bool impl_enoughDiscSpace(sal_Int32 nRequiredSpace); + + /// TODO document me + static void impl_showFullDiscError(); + + //--------------------------------------- + /** @short try to create/use a progress and set it inside the + environment. + + @descr The problem behind: There exists different use case of this method. + a) An external progress is provided by our CrashSave or Recovery dialog. + b) We must create our own progress e.g. for an AutoSave + c) Sometimes our application filters dont use the progress + provided by the MediaDescriptor. They uses the Frame everytime to create + it's own progress. So we implemented a HACK for these and now we set + an InterceptedProgress there for the time WE use this frame for loading/storing documents .-) + + @param xNewFrame + must be set only in case WE create a new frame (e.g. for loading documents + on session restore or recovery). Then search for a frame using rInfo.Document must + be supressed and xFrame must be preferred instead .-) + + @param rInfo + used e.g. to find the frame corresponding to a document. + This frame must be used to create a new progress e.g. for an AutoSave. + + @param rArgs + is used to set the new created progress as parameter on these set. + */ + void impl_establishProgress(const AutoRecovery::TDocumentInfo& rInfo , + ::comphelper::MediaDescriptor& rArgs , + const css::uno::Reference< css::frame::XFrame >& xNewFrame); + + void impl_forgetProgress(const AutoRecovery::TDocumentInfo& rInfo , + ::comphelper::MediaDescriptor& rArgs , + const css::uno::Reference< css::frame::XFrame >& xNewFrame); + + //--------------------------------------- + /** try to remove the specified file from disc. + + Every URL supported by our UCB component can be used here. + Further it doesnt matter if the file realy exists or not. + Because removing a non exsistent file will have the same + result at the end ... a non existing file .-) + + On the other side removing of files from disc is an optional + feature. If we are not able doing so ... its not a real problem. + Ok - users disc place will be samller then ... but we should produce + a crash during crash save because we cant delete a temporary file only ! + + @param sURL + the url of the file, which should be removed. + */ + static void st_impl_removeFile(const ::rtl::OUString& sURL); + + //--------------------------------------- + /** try to remove ".lock" file from disc if office will be terminated + not using the offical way .-) + + This method has to be handled "optional". So every error inside + has to be ignored ! This method CANT FAIL ... it can forget something only .-) + */ + static void st_impl_removeLockFile(); +}; + +} // namespace framework + +#endif // __FRAMEWORK_SERVICES_AUTORECOVERY_HXX_ |