summaryrefslogtreecommitdiff
path: root/ucb/source/ucp/file/filtask.hxx
blob: c7199159fb44a2e3944f1c3b1918c0d5ab43d56c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * 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/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#pragma once

#include <o3tl/sorted_vector.hxx>
#include <osl/file.hxx>
#include <rtl/ustring.hxx>

#include <osl/mutex.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/beans/PropertyChangeEvent.hpp>
#include <com/sun/star/ucb/XCommandInfo.hpp>
#include <com/sun/star/beans/Property.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/io/XStream.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/beans/XPropertySetInfo.hpp>
#include <com/sun/star/ucb/NumberedSortingInfo.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/ucb/XDynamicResultSet.hpp>
#include <com/sun/star/beans/XPropertyContainer.hpp>
#include <com/sun/star/beans/XPropertyAccess.hpp>
#include <com/sun/star/ucb/ContentInfo.hpp>
#include <com/sun/star/ucb/XCommandEnvironment.hpp>
#include <com/sun/star/ucb/XPersistentPropertySet.hpp>
#include <com/sun/star/ucb/XPropertySetRegistry.hpp>
#include <com/sun/star/task/XInteractionHandler.hpp>
#include <com/sun/star/task/XInteractionRequest.hpp>
#include "filerror.hxx"
#include "filnot.hxx"
#include <unordered_map>
#include <unordered_set>
#include <vector>

namespace fileaccess
{
    class BaseContent;
    class FileProvider;
    class XPropertySetInfo_impl;
    class XCommandInfo_impl;
    class XResultSet_impl;

    /*
     * The relevant methods in this class all have as first argument the CommandId,
     * so if necessary, every method has access to its relevant XInteractionHandler and
     * XProgressHandler.
     */


    class TaskManager
    {
        friend class XPropertySetInfo_impl;
        friend class XResultSet_impl;
        friend class XCommandInfo_impl;

    private:

        class TaskHandling
        {
        private:

            bool m_bHandled;
            sal_Int32 m_nErrorCode,m_nMinorCode;
            css::uno::Reference< css::task::XInteractionHandler > m_xInteractionHandler;
            css::uno::Reference< css::ucb::XCommandEnvironment >  m_xCommandEnvironment;


        public:

            explicit TaskHandling(
                const css::uno::Reference< css::ucb::XCommandEnvironment >&  xCommandEnv )
                : m_bHandled( false ),
                  m_nErrorCode( TASKHANDLER_NO_ERROR ),
                  m_nMinorCode( TASKHANDLER_NO_ERROR ),
                  m_xCommandEnvironment( xCommandEnv )
            {
            }

            void setHandled()
            {
                m_bHandled = true;
            }

            bool isHandled() const
            {
                return m_bHandled;
            }

            void clearError()
            {
                m_nErrorCode = TASKHANDLER_NO_ERROR;
                m_nMinorCode =  TASKHANDLER_NO_ERROR;
            }

            void installError( sal_Int32 nErrorCode,
                                        sal_Int32 nMinorCode )
            {
                m_nErrorCode = nErrorCode;
                m_nMinorCode = nMinorCode;
            }

            sal_Int32 getInstalledError() const
            {
                return m_nErrorCode;
            }

            sal_Int32 getMinorErrorCode() const
            {
                return m_nMinorCode;
            }

            css::uno::Reference< css::task::XInteractionHandler > const &
            getInteractionHandler()
            {
                if( ! m_xInteractionHandler.is() && m_xCommandEnvironment.is() )
                    m_xInteractionHandler = m_xCommandEnvironment->getInteractionHandler();

                return m_xInteractionHandler;
            }

            const css::uno::Reference< css::ucb::XCommandEnvironment >&
            getCommandEnvironment() const
            {
                return m_xCommandEnvironment;
            }

        };  // end class TaskHandling


        typedef std::unordered_map< sal_Int32,TaskHandling > TaskMap;
    private:

        osl::Mutex                                                         m_aMutex;
        sal_Int32                                                           m_nCommandId;
        TaskMap                                                             m_aTaskMap;


    public:
        class MyProperty
        {
        private:
            OUString                    PropertyName;
            sal_Int32                   Handle;
            bool                        isNative;
            css::uno::Type              Typ;        // Duplicates information in Value
            css::uno::Any               Value;
            css::beans::PropertyState   State;
            sal_Int16                   Attributes;
        public:
            explicit MyProperty( const OUString&  thePropertyName );
            MyProperty( bool                              theIsNative,
                        const OUString&                   thePropertyName,
                        sal_Int32                         theHandle,
                        const css::uno::Type&             theTyp,
                        const css::uno::Any&              theValue,
                        const css::beans::PropertyState&  theState,
                        sal_Int16                         theAttributes );

            inline const bool& IsNative() const;
            const OUString& getPropertyName() const { return PropertyName; }
            inline const sal_Int32& getHandle() const;
            inline const css::uno::Type& getType() const;
            inline const css::uno::Any& getValue() const;
            inline const css::beans::PropertyState& getState() const;
            inline const sal_Int16& getAttributes() const;

            // The set* functions are declared const, because the key of "this" stays intact
            inline void setValue( css::uno::Any theValue ) const;
            inline void setState( const css::beans::PropertyState& theState ) const;
        };

        struct MyPropertyLess
        {
            bool operator()( const MyProperty& rKey1, const MyProperty& rKey2 ) const
            {
                return rKey1.getPropertyName() < rKey2.getPropertyName();
            }
        };

        typedef o3tl::sorted_vector< MyProperty, MyPropertyLess > PropertySet;

        class UnqPathData
        {
        public:
            UnqPathData();
            UnqPathData(UnqPathData&&);
            ~UnqPathData();

            PropertySet properties;
            std::vector< Notifier* > notifier;

            // Three views on the PersistentPropertySet
            css::uno::Reference< css::ucb::XPersistentPropertySet >   xS;
            css::uno::Reference< css::beans::XPropertyContainer >     xC;
            css::uno::Reference< css::beans::XPropertyAccess >        xA;
        };

        typedef std::unordered_map< OUString,UnqPathData > ContentMap;

        TaskManager( const css::uno::Reference< css::uno::XComponentContext >& rxContext,
               FileProvider* pProvider, bool bWithConfig );
        ~TaskManager();

        /// @throws css::ucb::DuplicateCommandIdentifierException
        void startTask(
            sal_Int32 CommandId,
            const css::uno::Reference< css::ucb::XCommandEnvironment >&  xCommandEnv );

        sal_Int32 getCommandId();


        /**
         *  The error code may be one of the error codes defined in
         *  filerror.hxx.
         *  The minor code refines the information given in ErrorCode.
         */

        void installError( sal_Int32 CommandId,
                                    sal_Int32 ErrorCode,
                                    sal_Int32 minorCode = TASKHANDLER_NO_ERROR );

        void retrieveError( sal_Int32 CommandId,
                                     sal_Int32 &ErrorCode,
                                     sal_Int32 &minorCode);

        /**
         *  Deinstalls the task and evaluates a possibly set error code.
         *  "endTask" throws in case an error code is set the corresponding exception.
         */

        void endTask( sal_Int32 CommandId,
                               // the physical URL of the object
                               const OUString& aUnqPath,
                               BaseContent* pContent);


        /**
         *  Handles an interactionrequest
         */

        void handleTask( sal_Int32 CommandId,
                                  const css::uno::Reference< css::task::XInteractionRequest >& request );

        /**
         *  Clears any error which are set on the commandid
         */

        void clearError( sal_Int32 );

        /**
         *  This two methods register and deregister a change listener for the content belonging
         *  to URL aUnqPath
         */

        void registerNotifier( const OUString& aUnqPath,Notifier* pNotifier );

        void deregisterNotifier( const OUString& aUnqPath,Notifier* pNotifier );


        /**
         *  Used to associate and deassociate a new property with
         *  the content belonging to URL UnqPath.
         *  The default value and the attributes are input
         *
         *  @throws css::beans::PropertyExistException
         *  @throws css::beans::IllegalTypeException
         *  @throws css::uno::RuntimeException
         */

        void associate( const OUString& UnqPath,
                                 const OUString& PropertyName,
                                 const css::uno::Any& DefaultValue,
                                 const sal_Int16 Attributes );

        /// @throws css::beans::UnknownPropertyException
        /// @throws css::beans::NotRemoveableException
        /// @throws css::uno::RuntimeException
        void deassociate( const OUString& UnqPath,
                                   const OUString& PropertyName );


        //  Every method having a command id is not allowed to throw anything,
        //  but instead must install every error code in the task handler


        /**
         *  Given an xOutputStream, this method writes the content of the file belonging to
         *  URL aUnqPath into the XOutputStream
         */

        void page( sal_Int32 CommandId,
                            const OUString& aUnqPath,
                            const css::uno::Reference< css::io::XOutputStream >& xOutputStream );


        /**
         *  Given a file URL aUnqPath, this methods returns a XInputStream which reads from the open file.
         */

        css::uno::Reference< css::io::XInputStream >
        open( sal_Int32 CommandId,
              const OUString& aUnqPath,
              bool bLock );


        /**
         *  Given a file URL aUnqPath, this methods returns a XStream which can be used
         *  to read and write from/to the file.
         */

        css::uno::Reference< css::io::XStream >
        open_rw( sal_Int32 CommandId,
                 const OUString& aUnqPath,
                 bool bLock );


        /**
         *  This method returns the result set containing the children of the directory belonging
         *  to file URL aUnqPath
         */

        css::uno::Reference< css::ucb::XDynamicResultSet >
        ls( sal_Int32 CommandId,
            const OUString& aUnqPath,
            const sal_Int32 OpenMode,
            const css::uno::Sequence< css::beans::Property >& sProperty,
            const css::uno::Sequence< css::ucb::NumberedSortingInfo > & sSortingInfo );


        /**
         *  Info methods
         */

        // Info for commands
        css::uno::Reference< css::ucb::XCommandInfo >
        info_c();

        // Info for the properties
        css::uno::Reference< css::beans::XPropertySetInfo >
        info_p( const OUString& aUnqPath );


        /**
         *  Sets the values of the properties belonging to fileURL aUnqPath
         */

        css::uno::Sequence< css::uno::Any >
        setv( const OUString& aUnqPath,
              const css::uno::Sequence< css::beans::PropertyValue >& values );


        /**
         *  Reads the values of the properties belonging to fileURL aUnqPath;
         *  Returns an XRow object containing the values in the requested order.
         */

        css::uno::Reference< css::sdbc::XRow >
        getv( sal_Int32 CommandId,
              const OUString& aUnqPath,
              const css::uno::Sequence< css::beans::Property >& properties );


        /********************************************************************************/
        /*                         transfer-commands                                    */
        /********************************************************************************/

        /**
         *  Moves the content belonging to fileURL srcUnqPath to fileURL dstUnqPath( files and directories )
         */

        void
        move( sal_Int32 CommandId,
              const OUString& srcUnqPath,   // Full file(folder)-path
              const OUString& dstUnqPath,   // Path to the destination-directory
              const sal_Int32 NameClash );

        /**
         *  Copies the content belonging to fileURL srcUnqPath to fileURL dstUnqPath ( files and directories )
         */

        void
        copy( sal_Int32 CommandId,               // See "move"
              const OUString& srcUnqPath,
              const OUString& dstUnqPath,
              sal_Int32 NameClash );

        enum class FileUrlType { Folder = 1, File = -1, Unknown = 0 };

        /**
         *  Deletes the content belonging to fileURL aUnqPath( recursively in case of directory )
         */

        bool
        remove( sal_Int32 CommandId,
                const OUString& aUnqPath,
                FileUrlType eTypeToMove = FileUrlType::Unknown,
                bool  MustExist  = true );


        /********************************************************************************/
        /*                         write and create - commandos                         */
        /********************************************************************************/

        /**
         *  Creates new directory with given URL, recursively if necessary
         *  Return:: success of operation
         */

        bool
        mkdir( sal_Int32 CommandId,
               const OUString& aDirectoryName,
               bool OverWrite );


        /**
         *  Creates new file with given URL.
         *  The content of aInputStream becomes the content of the file
         *  Return:: success of operation
         */

        bool
        mkfil( sal_Int32 CommandId,
               const OUString& aFileName,
               bool OverWrite,
               const css::uno::Reference< css::io::XInputStream >& aInputStream );


        /**
         *  writes to the file with given URL.
         *  The content of aInputStream becomes the content of the file
         *  Return:: success of operation
         */
        bool
        write( sal_Int32 CommandId,
               const OUString& aUnqPath,
               bool OverWrite,
               const css::uno::Reference< css::io::XInputStream >& aInputStream );


        void insertDefaultProperties( const OUString& aUnqPath );

        static css::uno::Sequence< css::ucb::ContentInfo >
        queryCreatableContentsInfo();


        /******************************************************************************/
        /*                                                                            */
        /*                          mapping of file urls                              */
        /*                          to uncpath and vice versa                         */
        /*                                                                            */
        /******************************************************************************/

        static bool getUnqFromUrl( const OUString& Url, OUString& Unq );

        static bool getUrlFromUnq( const OUString& Unq, OUString& Url );


        FileProvider*                                             m_pProvider;
        css::uno::Reference< css::uno::XComponentContext >        m_xContext;
        css::uno::Reference< css::ucb::XPropertySetRegistry >     m_xFileRegistry;

    private:

        /********************************************************************************/
        /*                              get eventListeners                              */
        /********************************************************************************/

        std::vector< ContentEventNotifier >
        getContentEventListeners( const OUString& aName );

        std::vector< ContentEventNotifier >
        getContentDeletedEventListeners( const OUString& aName );

        std::vector< ContentEventNotifier >
        getContentExchangedEventListeners( const OUString& aOldPrefix,
                                           const OUString& aNewPrefix,
                                           bool withChildren );

        std::vector< PropertyChangeNotifier >
        getPropertyChangeNotifier( const OUString& aName );

        std::vector< PropertySetInfoChangeNotifier >
        getPropertySetListeners( const OUString& aName );


        /********************************************************************************/
        /*                              notify eventListeners                           */
        /********************************************************************************/

        static void notifyPropertyChanges(
            const std::vector<PropertyChangeNotifier>& listeners,
            const css::uno::Sequence<css::beans::PropertyChangeEvent>& seqChanged);

        static void notifyContentExchanged(
            const std::vector<ContentEventNotifier>& listeners_vec);

        static void
        notifyInsert(const std::vector<ContentEventNotifier>& listeners,
                     const OUString& aChildName);

        static void
        notifyContentDeleted(const std::vector<ContentEventNotifier>& listeners);

        static void
        notifyContentRemoved(const std::vector<ContentEventNotifier>& listeners,
                             const OUString& aChildName);

        static void notifyPropertyAdded(
            const std::vector<PropertySetInfoChangeNotifier>& listeners,
            const OUString& aPropertyName);

        static void notifyPropertyRemoved(
            const std::vector<PropertySetInfoChangeNotifier>& listeners,
            const OUString& aPropertyName);

        /********************************************************************************/
        /*                       remove persistent propertyset                          */
        /********************************************************************************/

        void erasePersistentSetWithoutChildren( const OUString& aUnqPath );
        void erasePersistentSet( const OUString& aUnqPath,
                                          bool withChildren = false );

        /********************************************************************************/
        /*                       copy persistent propertyset                            */
        /*                       from srcUnqPath to dstUnqPath                          */
        /********************************************************************************/

        void copyPersistentSetWithoutChildren( const OUString& srcUnqPath,
                                const OUString& dstUnqPath );
        void copyPersistentSet( const OUString& srcUnqPath,
                                         const OUString& dstUnqPath,
                                         bool withChildren );


        // Special optimized method for getting the properties of a directoryitem, which
        // is returned by osl::DirectoryItem::getNextItem()

        bool
        getv( const css::uno::Sequence< css::beans::Property >& properties,
              osl::DirectoryItem& DirItem,
              OUString& aUnqPath,
              bool&      bIsRegular,
              css::uno::Reference< css::sdbc::XRow > & row );


        /**
         *  Load the properties from configuration, if create == true create them.
         *  The Properties are stored under the url belonging to it->first.
         */

        void load( const TaskManager::ContentMap::iterator& it,
                            bool create );

        /**
         *  Commit inserts the determined properties in the filestatus object into
         *  the internal map, so that is possible to determine on a subsequent
         *  setting of file properties which properties have changed without filestat
         */

        void
        commit(
            const TaskManager::ContentMap::iterator& it,
            const osl::FileStatus& aFileStatus );

        /**
         *  Given a Sequence of properties seq, this method determines the mask
         *  used to instantiate an osl::FileStatus, so that a call to
         *  osl::DirectoryItem::getFileStatus fills the required fields.
         */

        static void
        getMaskFromProperties(
            sal_Int32& n_Mask,
            const css::uno::Sequence< css::beans::Property >& seq );


        // Helper function for public copy

        osl::FileBase::RC
        copy_recursive(
            const OUString& srcUnqPath,
            const OUString& dstUnqPath,
            FileUrlType TypeToCopy,
            bool  testExistence );


        // Helper function for mkfil,mkdir and write
        // Creates whole path
        // returns success of the operation
        // The call determines the errorCode, which should be used to install
        // any error

        bool
        ensuredir( sal_Int32 CommandId,
                   const OUString& aDirectoryName,
                   sal_Int32 errorCode );

        // General
        ContentMap  m_aContent;


    public:

        static constexpr OUStringLiteral FolderContentType =
            u"application/vnd.sun.staroffice.fsys-folder";
        static constexpr OUStringLiteral FileContentType =
            u"application/vnd.sun.staroffice.fsys-file";


    private:

        PropertySet                                   m_aDefaultProperties;
        css::uno::Sequence< css::ucb::CommandInfo >   m_sCommandInfo;

    public:
        // Miscellaneous:
        // Methods for "writeComponentInfo" and "createComponentFactory"

        static void getScheme( OUString& Scheme );
    };

} // end namespace TaskHandling

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */