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
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
/* -*- 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 .
 */

#include <sal/config.h>
#include <sal/log.hxx>
#include <osl/diagnose.h>

#include <condition_variable>
#include <mutex>
#include <utility>

#include <config_features.h>

#include <stdio.h>

#include <comphelper/solarmutex.hxx>

#include <comphelper/lok.hxx>

#include <osl/process.h>

#include <rtl/ustrbuf.hxx>
#include <vclpluginapi.h>
#include <vcl/svapp.hxx>
#include <vcl/window.hxx>
#include <vcl/idle.hxx>
#include <vcl/svmain.hxx>
#include <vcl/opengl/OpenGLContext.hxx>
#include <vcl/commandevent.hxx>
#include <vcl/event.hxx>

#include <osx/saldata.hxx>
#include <osx/salinst.h>
#include <osx/salframe.h>
#include <osx/salobj.h>
#include <osx/salsys.h>
#include <quartz/salvd.h>
#include <quartz/salbmp.h>
#include <quartz/utils.h>
#include <osx/salprn.h>
#include <osx/saltimer.h>
#include <osx/vclnsapp.h>
#include <osx/runinmain.hxx>

#include <print.h>

#include <comphelper/processfactory.hxx>

#include <com/sun/star/uri/ExternalUriReferenceTranslator.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>

#include <premac.h>
#include <Foundation/Foundation.h>
#include <ApplicationServices/ApplicationServices.h>
#import "apple_remote/RemoteMainController.h"
#include <apple_remote/RemoteControl.h>
#include <postmac.h>

extern "C" {
#include <crt_externs.h>
}

using namespace std;
using namespace ::com::sun::star;

static int* gpnInit = nullptr;
static NSMenu* pDockMenu = nil;
static bool bLeftMain = false;

namespace {

class AquaDelayedSettingsChanged : public Idle
{
    bool            mbInvalidate;

public:
    AquaDelayedSettingsChanged( bool bInvalidate ) :
        mbInvalidate( bInvalidate )
    {
    }

    virtual void Invoke() override
    {
        AquaSalInstance *pInst = GetSalData()->mpInstance;
        SalFrame *pAnyFrame = pInst->anyFrame();
        if( pAnyFrame )
            pAnyFrame->CallCallback( SalEvent::SettingsChanged, nullptr );

        if( mbInvalidate )
        {
            for( auto pSalFrame : pInst->getFrames() )
            {
                AquaSalFrame* pFrame = static_cast<AquaSalFrame*>( pSalFrame );
                if( pFrame->mbShown )
                    pFrame->SendPaintEvent();
            }
        }
        delete this;
    }
};

}

void AquaSalInstance::delayedSettingsChanged( bool bInvalidate )
{
    osl::Guard< comphelper::SolarMutex > aGuard( *GetYieldMutex() );
    AquaDelayedSettingsChanged* pIdle = new AquaDelayedSettingsChanged( bInvalidate );
    pIdle->SetDebugName( "AquaSalInstance AquaDelayedSettingsChanged" );
    pIdle->Start();
}

// the std::list<const ApplicationEvent*> must be available before any SalData/SalInst/etc. objects are ready
std::list<const ApplicationEvent*> AquaSalInstance::aAppEventList;

NSMenu* AquaSalInstance::GetDynamicDockMenu()
{
    if( ! pDockMenu && ! bLeftMain )
        pDockMenu = [[NSMenu alloc] initWithTitle: @""];
    return pDockMenu;
}

bool AquaSalInstance::isOnCommandLine( const OUString& rArg )
{
    sal_uInt32 nArgs = osl_getCommandArgCount();
    for( sal_uInt32 i = 0; i < nArgs; i++ )
    {
        OUString aArg;
        osl_getCommandArg( i, &aArg.pData );
        if( aArg.equals( rArg ) )
            return true;
    }
    return false;
}

void AquaSalInstance::AfterAppInit()
{
    [[NSNotificationCenter defaultCenter] addObserver: NSApp
                                          selector: @selector(systemColorsChanged:)
                                          name: NSSystemColorsDidChangeNotification
                                          object: nil ];
    [[NSNotificationCenter defaultCenter] addObserver: NSApp
                                          selector: @selector(screenParametersChanged:)
                                          name: NSApplicationDidChangeScreenParametersNotification
                                          object: nil ];
    // add observers for some settings changes that affect vcl's settings
    // scrollbar variant
    [[NSDistributedNotificationCenter defaultCenter] addObserver: NSApp
                                          selector: @selector(scrollbarVariantChanged:)
                                          name: @"AppleAquaScrollBarVariantChanged"
                                          object: nil ];
    // scrollbar page behavior ("jump to here" or not)
    [[NSDistributedNotificationCenter defaultCenter] addObserver: NSApp
                                          selector: @selector(scrollbarSettingsChanged:)
                                          name: @"AppleNoRedisplayAppearancePreferenceChanged"
                                          object: nil ];
#if !HAVE_FEATURE_MACOSX_SANDBOX
    // Initialize Apple Remote
    GetSalData()->mpAppleRemoteMainController = [[AppleRemoteMainController alloc] init];

    [[NSDistributedNotificationCenter defaultCenter] addObserver: NSApp
                                           selector: @selector(applicationWillBecomeActive:)
                                           name: @"AppleRemoteWillBecomeActive"
                                           object: nil ];

    [[NSDistributedNotificationCenter defaultCenter] addObserver: NSApp
                                           selector: @selector(applicationWillResignActive:)
                                           name: @"AppleRemoteWillResignActive"
                                           object: nil ];
#endif
}

void SalAbort( const OUString& rErrorText, bool bDumpCore )
{
    if( rErrorText.isEmpty() )
        fprintf( stderr, "Application Error " );
    else
        fprintf( stderr, "%s ",
            OUStringToOString( rErrorText, osl_getThreadTextEncoding() ).getStr() );
    if( bDumpCore )
        abort();
    else
        _exit(1);
}

SalYieldMutex::SalYieldMutex()
    : m_aCodeBlock( nullptr )
{
}

SalYieldMutex::~SalYieldMutex()
{
}

void SalYieldMutex::doAcquire( sal_uInt32 nLockCount )
{
    AquaSalInstance *pInst = GetSalData()->mpInstance;
    if ( pInst && pInst->IsMainThread() )
    {
        if ( pInst->mbNoYieldLock )
            return;
        do {
            RuninmainBlock block = nullptr;
            {
                std::unique_lock<std::mutex> g(m_runInMainMutex);
                if (m_aMutex.tryToAcquire()) {
                    assert(m_aCodeBlock == nullptr);
                    m_wakeUpMain = false;
                    break;
                }
                // wait for doRelease() or RUNINMAIN_* to set the condition
                m_aInMainCondition.wait(g, [this]() { return m_wakeUpMain; });
                m_wakeUpMain = false;
                std::swap(block, m_aCodeBlock);
            }
            if ( block )
            {
                assert( !pInst->mbNoYieldLock );
                pInst->mbNoYieldLock = true;
                block();
                pInst->mbNoYieldLock = false;
                Block_release( block );
                std::scoped_lock<std::mutex> g(m_runInMainMutex);
                assert(!m_resultReady);
                m_resultReady = true;
                m_aResultCondition.notify_all();
            }
        }
        while ( true );
    }
    else
        m_aMutex.acquire();
    ++m_nCount;
    --nLockCount;

    comphelper::SolarMutex::doAcquire( nLockCount );
}

sal_uInt32 SalYieldMutex::doRelease( const bool bUnlockAll )
{
    AquaSalInstance *pInst = GetSalData()->mpInstance;
    if ( pInst->mbNoYieldLock && pInst->IsMainThread() )
        return 1;
    sal_uInt32 nCount;
    {
        std::scoped_lock<std::mutex> g(m_runInMainMutex);
        // read m_nCount before doRelease
        bool const isReleased(bUnlockAll || m_nCount == 1);
        nCount = comphelper::SolarMutex::doRelease( bUnlockAll );
        if (isReleased && !pInst->IsMainThread()) {
            m_wakeUpMain = true;
            m_aInMainCondition.notify_all();
        }
    }
    return nCount;
}

bool SalYieldMutex::IsCurrentThread() const
{
    if ( !GetSalData()->mpInstance->mbNoYieldLock )
        return comphelper::SolarMutex::IsCurrentThread();
    else
        return GetSalData()->mpInstance->IsMainThread();
}

// some convenience functions regarding the yield mutex, aka solar mutex

bool ImplSalYieldMutexTryToAcquire()
{
    AquaSalInstance* pInst = GetSalData()->mpInstance;
    if ( pInst )
        return pInst->GetYieldMutex()->tryToAcquire();
    else
        return false;
}

void ImplSalYieldMutexRelease()
{
    AquaSalInstance* pInst = GetSalData()->mpInstance;
    if ( pInst )
        pInst->GetYieldMutex()->release();
}

extern "C" {
VCLPLUG_OSX_PUBLIC SalInstance* create_SalInstance()
{
    SalData* pSalData = new SalData;

    NSAutoreleasePool * pool = [ [ NSAutoreleasePool alloc ] init ];
    unlink([[NSString stringWithFormat:@"%@/Library/Saved Application State/%s.savedState/restorecount.plist", NSHomeDirectory(), MACOSX_BUNDLE_IDENTIFIER] UTF8String]);
    unlink([[NSString stringWithFormat:@"%@/Library/Saved Application State/%s.savedState/restorecount.txt", NSHomeDirectory(), MACOSX_BUNDLE_IDENTIFIER] UTF8String]);
    [ pool drain ];

    // create our cocoa NSApplication
    [VCL_NSApplication sharedApplication];

    SalData::ensureThreadAutoreleasePool();

    // put cocoa into multithreaded mode
    [NSThread detachNewThreadSelector:@selector(enableCocoaThreads:) toTarget:[[CocoaThreadEnabler alloc] init] withObject:nil];

    // activate our delegate methods
    [NSApp setDelegate: NSApp];

    SAL_WARN_IF( pSalData->mpInstance != nullptr, "vcl", "more than one instance created" );
    AquaSalInstance* pInst = new AquaSalInstance;

    // init instance (only one instance in this version !!!)
    pSalData->mpInstance = pInst;
    // this one is for outside AquaSalInstance::Yield
    SalData::ensureThreadAutoreleasePool();
    // no focus rects on NWF
    ImplGetSVData()->maNWFData.mbNoFocusRects = true;
    ImplGetSVData()->maNWFData.mbNoActiveTabTextRaise = true;
    ImplGetSVData()->maNWFData.mbCenteredTabs = true;
    ImplGetSVData()->maNWFData.mnStatusBarLowerRightOffset = 10;

    return pInst;
}
}

AquaSalInstance::AquaSalInstance()
    : SalInstance(std::make_unique<SalYieldMutex>())
    , mnActivePrintJobs( 0 )
    , mbIsLiveResize( false )
    , mbNoYieldLock( false )
    , mbTimerProcessed( false )
{
    maMainThread = osl::Thread::getCurrentIdentifier();

    ImplSVData* pSVData = ImplGetSVData();
    pSVData->maAppData.mxToolkitName = OUString("osx");
}

AquaSalInstance::~AquaSalInstance()
{
    [NSApp stop: NSApp];
    bLeftMain = true;
    if( pDockMenu )
    {
        [pDockMenu release];
        pDockMenu = nil;
    }
}

void AquaSalInstance::TriggerUserEventProcessing()
{
    dispatch_async(dispatch_get_main_queue(),^{
        ImplNSAppPostEvent( AquaSalInstance::YieldWakeupEvent, NO );
    });
}

void AquaSalInstance::ProcessEvent( SalUserEvent aEvent )
{
    aEvent.m_pFrame->CallCallback( aEvent.m_nEvent, aEvent.m_pData );
    maWaitingYieldCond.set();
}

bool AquaSalInstance::IsMainThread() const
{
    return osl::Thread::getCurrentIdentifier() == maMainThread;
}

void AquaSalInstance::handleAppDefinedEvent( NSEvent* pEvent )
{
    AquaSalTimer *pTimer = static_cast<AquaSalTimer*>( ImplGetSVData()->maSchedCtx.mpSalTimer );
    int nSubtype = [pEvent subtype];
    switch( nSubtype )
    {
    case AppStartTimerEvent:
        if ( pTimer )
            pTimer->handleStartTimerEvent( pEvent );
        break;
    case AppExecuteSVMain:
    {
        int nRet = ImplSVMain();
        if (gpnInit)
            *gpnInit = nRet;
        [NSApp stop: NSApp];
        break;
    }
    case DispatchTimerEvent:
    {
        AquaSalInstance *pInst = GetSalData()->mpInstance;
        if ( pTimer && pInst )
            pInst->mbTimerProcessed = pTimer->handleDispatchTimerEvent( pEvent );
        break;
    }
#if !HAVE_FEATURE_MACOSX_SANDBOX
    case AppleRemoteControlEvent: // Defined in <apple_remote/RemoteMainController.h>
    {
        MediaCommand nCommand;
        AquaSalInstance *pInst = GetSalData()->mpInstance;
        bool bIsFullScreenMode = false;

        for( auto pSalFrame : pInst->getFrames() )
        {
            const AquaSalFrame* pFrame = static_cast<const AquaSalFrame*>( pSalFrame );
            if ( pFrame->mbFullScreen )
            {
                bIsFullScreenMode = true;
                break;
            }
        }

        switch ([pEvent data1])
        {
            case kRemoteButtonPlay:
                nCommand = bIsFullScreenMode ? MediaCommand::PlayPause : MediaCommand::Play;
                break;

            // kept for experimentation purpose (scheduled for future implementation)
            // case kRemoteButtonMenu:         nCommand = MediaCommand::Menu; break;

            case kRemoteButtonPlus:         nCommand = MediaCommand::VolumeUp; break;

            case kRemoteButtonMinus:        nCommand = MediaCommand::VolumeDown; break;

            case kRemoteButtonRight:        nCommand = MediaCommand::NextTrack; break;

            case kRemoteButtonRight_Hold:   nCommand = MediaCommand::NextTrackHold; break;

            case kRemoteButtonLeft:         nCommand = MediaCommand::PreviousTrack; break;

            case kRemoteButtonLeft_Hold:    nCommand = MediaCommand::Rewind; break;

            case kRemoteButtonPlay_Hold:    nCommand = MediaCommand::PlayHold; break;

            case kRemoteButtonMenu_Hold:    nCommand = MediaCommand::Stop; break;

            // FIXME : not detected
            case kRemoteButtonPlus_Hold:
            case kRemoteButtonMinus_Hold:
                break;

            default:
                break;
        }
        AquaSalFrame* pFrame = static_cast<AquaSalFrame*>( pInst->anyFrame() );
        vcl::Window* pWindow = pFrame ? pFrame->GetWindow() : nullptr;
        if( pWindow )
        {
            const Point aPoint;
            CommandMediaData aMediaData(nCommand);
            CommandEvent aCEvt( aPoint, CommandEventId::Media, false, &aMediaData );
            NotifyEvent aNCmdEvt( MouseNotifyEvent::COMMAND, pWindow, &aCEvt );

            if ( !ImplCallPreNotify( aNCmdEvt ) )
                pWindow->Command( aCEvt );
        }

    }
    break;
#endif

    case YieldWakeupEvent:
        // do nothing, fall out of Yield
        break;

    default:
        OSL_FAIL( "unhandled NSApplicationDefined event" );
        break;
    }
}

bool AquaSalInstance::RunInMainYield( bool bHandleAllCurrentEvents )
{
    OSX_SALDATA_RUNINMAIN_UNION( DoYield( false, bHandleAllCurrentEvents), boolean )
    assert( false && "Don't call this from the main thread!" );
    return false;

}

static bool isWakeupEvent( NSEvent *pEvent )
{
SAL_WNODEPRECATED_DECLARATIONS_PUSH<--- There is an unknown macro here somewhere. Configuration is required. If SAL_WNODEPRECATED_DECLARATIONS_PUSH is a macro then please configure it.
    return NSApplicationDefined == [pEvent type]
        && AquaSalInstance::YieldWakeupEvent == static_cast<int>([pEvent subtype]);
SAL_WNODEPRECATED_DECLARATIONS_POP
}

bool AquaSalInstance::DoYield(bool bWait, bool bHandleAllCurrentEvents)
{
    // ensure that the per thread autorelease pool is top level and
    // will therefore not be destroyed by cocoa implicitly
    SalData::ensureThreadAutoreleasePool();

    // NSAutoreleasePool documentation suggests we should have
    // an own pool for each yield level
    ReleasePoolHolder aReleasePool;

    // first, process current user events
    bool bHadEvent = DispatchUserEvents( bHandleAllCurrentEvents );
    if ( !bHandleAllCurrentEvents && bHadEvent )
        return true;

    // handle cocoa event queue
    // cocoa events may be only handled in the thread the NSApp was created
    if( IsMainThread() && mnActivePrintJobs == 0 )
    {
        // handle available events
        NSEvent* pEvent = nil;
        NSTimeInterval now = [[NSProcessInfo processInfo] systemUptime];
        mbTimerProcessed = false;

        do
        {
            SolarMutexReleaser aReleaser;

            pEvent = [NSApp nextEventMatchingMask: NSEventMaskAny
                            untilDate: nil
                            inMode: NSDefaultRunLoopMode
                            dequeue: YES];
            if( pEvent )
            {
                [NSApp sendEvent: pEvent];
                if ( isWakeupEvent( pEvent ) )
                    continue;
                bHadEvent = true;
            }

            [NSApp updateWindows];

            if ( !bHandleAllCurrentEvents || !pEvent || now < [pEvent timestamp] )
                break;
        }
        while( true );

        AquaSalTimer *pTimer = static_cast<AquaSalTimer*>( ImplGetSVData()->maSchedCtx.mpSalTimer );
        if ( !mbTimerProcessed && pTimer && pTimer->IsDirectTimeout() )
        {
            pTimer->handleTimerElapsed();
            bHadEvent = true;
        }

        // if we had no event yet, wait for one if requested
        if( bWait && ! bHadEvent )
        {
            SolarMutexReleaser aReleaser;

            pEvent = [NSApp nextEventMatchingMask: NSEventMaskAny
                            untilDate: [NSDate distantFuture]
                            inMode: NSDefaultRunLoopMode
                            dequeue: YES];
            if( pEvent )
            {
                [NSApp sendEvent: pEvent];
                if ( !isWakeupEvent( pEvent ) )
                    bHadEvent = true;
            }
            [NSApp updateWindows];
        }

        // collect update rectangles
        for( auto pSalFrame : GetSalData()->mpInstance->getFrames() )
        {
            AquaSalFrame* pFrame = static_cast<AquaSalFrame*>( pSalFrame );
            if( pFrame->mbShown && ! pFrame->maInvalidRect.IsEmpty() )
            {
                pFrame->Flush( pFrame->maInvalidRect );
                pFrame->maInvalidRect.SetEmpty();
            }
        }

        if ( bHadEvent )
            maWaitingYieldCond.set();
    }
    else
    {
        bHadEvent = RunInMainYield( bHandleAllCurrentEvents );
        if ( !bHadEvent && bWait )
        {
            // #i103162#
            // wait until the main thread has dispatched an event
            maWaitingYieldCond.reset();
            SolarMutexReleaser aReleaser;
            maWaitingYieldCond.wait();
        }
    }

    // we get some apple events way too early
    // before the application is ready to handle them,
    // so their corresponding application events need to be delayed
    // now is a good time to handle at least one of them
    if( bWait && !aAppEventList.empty() && ImplGetSVData()->maAppData.mbInAppExecute )
    {
        // make sure that only one application event is active at a time
        static bool bInAppEvent = false;
        if( !bInAppEvent )
        {
            bInAppEvent = true;
            // get the next delayed application event
            const ApplicationEvent* pAppEvent = aAppEventList.front();
            aAppEventList.pop_front();
            // handle one application event (no recursion)
            const ImplSVData* pSVData = ImplGetSVData();
            pSVData->mpApp->AppEvent( *pAppEvent );
            delete pAppEvent;
            // allow the next delayed application event
            bInAppEvent = false;
        }
    }

    return bHadEvent;
}

bool AquaSalInstance::AnyInput( VclInputFlags nType )
{
    if( nType & VclInputFlags::APPEVENT )
    {
        if( ! aAppEventList.empty() )
            return true;
        if( nType == VclInputFlags::APPEVENT )
            return false;
    }

    OSX_INST_RUNINMAIN_UNION( AnyInput( nType ), boolean )

    if( nType & VclInputFlags::TIMER )
    {
        AquaSalTimer *pTimer = static_cast<AquaSalTimer*>( ImplGetSVData()->maSchedCtx.mpSalTimer );
        if (pTimer && pTimer->IsTimerElapsed())
            return true;
    }

    unsigned/*NSUInteger*/ nEventMask = 0;
SAL_WNODEPRECATED_DECLARATIONS_PUSH
        // 'NSFlagsChangedMask' is deprecated: first deprecated in macOS 10.12
        // 'NSKeyDownMask' is deprecated: first deprecated in macOS 10.12
        // 'NSKeyUpMask' is deprecated: first deprecated in macOS 10.12
        // 'NSLeftMouseDownMask' is deprecated: first deprecated in macOS 10.12
        // 'NSLeftMouseDraggedMask' is deprecated: first deprecated in macOS 10.12
        // 'NSLeftMouseUpMask' is deprecated: first deprecated in macOS 10.12
        // 'NSMouseEnteredMask' is deprecated: first deprecated in macOS 10.12
        // 'NSMouseExitedMask' is deprecated: first deprecated in macOS 10.12
        // 'NSOtherMouseDownMask' is deprecated: first deprecated in macOS 10.12
        // 'NSOtherMouseDraggedMask' is deprecated: first deprecated in macOS 10.12
        // 'NSOtherMouseUpMask' is deprecated: first deprecated in macOS 10.12
        // 'NSRightMouseDownMask' is deprecated: first deprecated in macOS 10.12
        // 'NSRightMouseDraggedMask' is deprecated: first deprecated in macOS 10.12
        // 'NSRightMouseUpMask' is deprecated: first deprecated in macOS 10.12
        // 'NSScrollWheelMask' is deprecated: first deprecated in macOS 10.12
        // 'NSTabletPoint' is deprecated: first deprecated in macOS 10.12
    if( nType & VclInputFlags::MOUSE)
        nEventMask |=
            NSLeftMouseDownMask    | NSRightMouseDownMask    | NSOtherMouseDownMask |
            NSLeftMouseUpMask      | NSRightMouseUpMask      | NSOtherMouseUpMask |
            NSLeftMouseDraggedMask | NSRightMouseDraggedMask | NSOtherMouseDraggedMask |
            NSScrollWheelMask |
            // NSMouseMovedMask |
            NSMouseEnteredMask | NSMouseExitedMask;
    if( nType & VclInputFlags::KEYBOARD)
        nEventMask |= NSKeyDownMask | NSKeyUpMask | NSFlagsChangedMask;
    if( nType & VclInputFlags::OTHER)
        nEventMask |= NSTabletPoint | NSApplicationDefinedMask;
SAL_WNODEPRECATED_DECLARATIONS_POP
    // TODO: VclInputFlags::PAINT / more VclInputFlags::OTHER
    if( !bool(nType) )
        return false;

    NSEvent* pEvent = [NSApp nextEventMatchingMask: nEventMask untilDate: nil
                            inMode: NSDefaultRunLoopMode dequeue: NO];
    return (pEvent != nullptr);
}

SalFrame* AquaSalInstance::CreateChildFrame( SystemParentData*, SalFrameStyleFlags /*nSalFrameStyle*/ )
{
    return nullptr;
}

SalFrame* AquaSalInstance::CreateFrame( SalFrame* pParent, SalFrameStyleFlags nSalFrameStyle )
{
    OSX_INST_RUNINMAIN_POINTER( CreateFrame( pParent, nSalFrameStyle ), SalFrame* )
    return new AquaSalFrame( pParent, nSalFrameStyle );
}

void AquaSalInstance::DestroyFrame( SalFrame* pFrame )
{
    OSX_INST_RUNINMAIN( DestroyFrame( pFrame ) )
    delete pFrame;
}

SalObject* AquaSalInstance::CreateObject( SalFrame* pParent, SystemWindowData* pWindowData, bool /* bShow */ )
{
    if ( !pParent )
        return nullptr;

    OSX_INST_RUNINMAIN_POINTER( CreateObject( pParent, pWindowData, false ), SalObject* )
    return new AquaSalObject( static_cast<AquaSalFrame*>(pParent), pWindowData );
}

void AquaSalInstance::DestroyObject( SalObject* pObject )
{
    OSX_INST_RUNINMAIN( DestroyObject( pObject ) )
    delete pObject;
}

std::unique_ptr<SalPrinter> AquaSalInstance::CreatePrinter( SalInfoPrinter* pInfoPrinter )
{
    return std::unique_ptr<SalPrinter>(new AquaSalPrinter( dynamic_cast<AquaSalInfoPrinter*>(pInfoPrinter) ));
}

void AquaSalInstance::GetPrinterQueueInfo( ImplPrnQueueList* pList )
{
    NSArray* pNames = [NSPrinter printerNames];
    NSArray* pTypes = [NSPrinter printerTypes];
    unsigned int nNameCount = pNames ? [pNames count] : 0;
    unsigned int nTypeCount = pTypes ? [pTypes count] : 0;
    SAL_WARN_IF( nTypeCount != nNameCount, "vcl", "type count not equal to printer count" );
    for( unsigned int i = 0; i < nNameCount; i++ )
    {
        NSString* pName = [pNames objectAtIndex: i];
        NSString* pType = i < nTypeCount ? [pTypes objectAtIndex: i] : nil;
        if( pName )
        {
            std::unique_ptr<SalPrinterQueueInfo> pInfo(new SalPrinterQueueInfo);
            pInfo->maPrinterName    = GetOUString( pName );
            if( pType )
                pInfo->maDriver     = GetOUString( pType );
            pInfo->mnStatus         = PrintQueueFlags::NONE;
            pInfo->mnJobs           = 0;

            pList->Add( std::move(pInfo) );
        }
    }
}

void AquaSalInstance::GetPrinterQueueState( SalPrinterQueueInfo* )
{
}

OUString AquaSalInstance::GetDefaultPrinter()
{
    // #i113170# may not be the main thread if called from UNO API
    SalData::ensureThreadAutoreleasePool();

    if( maDefaultPrinter.isEmpty() )
    {
        NSPrintInfo* pPI = [NSPrintInfo sharedPrintInfo];
        SAL_WARN_IF( !pPI, "vcl", "no print info" );
        if( pPI )
        {
            NSPrinter* pPr = [pPI printer];
            SAL_WARN_IF( !pPr, "vcl", "no printer in default info" );
            if( pPr )
            {
                NSString* pDefName = [pPr name];
                SAL_WARN_IF( !pDefName, "vcl", "printer has no name" );
                maDefaultPrinter = GetOUString( pDefName );
            }
        }
    }
    return maDefaultPrinter;
}

SalInfoPrinter* AquaSalInstance::CreateInfoPrinter( SalPrinterQueueInfo* pQueueInfo,
                                                    ImplJobSetup* pSetupData )
{
    // #i113170# may not be the main thread if called from UNO API
    SalData::ensureThreadAutoreleasePool();

    SalInfoPrinter* pNewInfoPrinter = nullptr;
    if( pQueueInfo )
    {
        pNewInfoPrinter = new AquaSalInfoPrinter( *pQueueInfo );
        if( pSetupData )
            pNewInfoPrinter->SetPrinterData( pSetupData );
    }

    return pNewInfoPrinter;
}

void AquaSalInstance::DestroyInfoPrinter( SalInfoPrinter* pPrinter )
{
    // #i113170# may not be the main thread if called from UNO API
    SalData::ensureThreadAutoreleasePool();

    delete pPrinter;
}

OUString AquaSalInstance::GetConnectionIdentifier()
{
    return OUString();
}

// We need to re-encode file urls because osl_getFileURLFromSystemPath converts
// to UTF-8 before encoding non ascii characters, which is not what other apps expect.
static OUString translateToExternalUrl(const OUString& internalUrl)
{
    uno::Reference< uno::XComponentContext > context(
        comphelper::getProcessComponentContext());
    return uri::ExternalUriReferenceTranslator::create(context)->translateToExternal(internalUrl);
}

// #i104525# many versions of OSX have problems with some URLs:
// when an app requests OSX to add one of these URLs to the "Recent Items" list
// then this app gets killed (TextEdit, Preview, etc. and also OOo)
static bool isDangerousUrl( const OUString& rUrl )
{
    // use a heuristic that detects all known cases since there is no official comment
    // on the exact impact and root cause of the OSX bug
    const int nLen = rUrl.getLength();
    const sal_Unicode* p = rUrl.getStr();
    for( int i = 0; i < nLen-3; ++i, ++p ) {
        if( p[0] != '%' )
            continue;
        // escaped percent?
        if( (p[1] == '2') && (p[2] == '5') )
            return true;
        // escapes are considered to be UTF-8 encoded
        // => check for invalid UTF-8 leading byte
        if( (p[1] != 'f') && (p[1] != 'F') )
            continue;
        int cLowNibble = p[2];
        if( (cLowNibble >= '0' ) && (cLowNibble <= '9'))
            return false;
        if( cLowNibble >= 'a' )
            cLowNibble -= 'a' - 'A';
        if( (cLowNibble < 'A') || (cLowNibble >= 'C'))
            return true;
    }

    return false;
}

void AquaSalInstance::AddToRecentDocumentList(const OUString& rFileUrl, const OUString& /*rMimeType*/, const OUString& /*rDocumentService*/)
{
    // Convert file URL for external use (see above)
    OUString externalUrl = translateToExternalUrl(rFileUrl);
    if( externalUrl.isEmpty() )
        externalUrl = rFileUrl;

    if( !externalUrl.isEmpty() && !isDangerousUrl( externalUrl ) )
    {
        NSString* pString = CreateNSString( externalUrl );
        NSURL* pURL = [NSURL URLWithString: pString];

        if( pURL )
        {
            NSDocumentController* pCtrl = [NSDocumentController sharedDocumentController];
            [pCtrl noteNewRecentDocumentURL: pURL];
        }
        if( pString )
            [pString release];
    }
}

SalTimer* AquaSalInstance::CreateSalTimer()
{
    return new AquaSalTimer();
}

SalSystem* AquaSalInstance::CreateSalSystem()
{
    return new AquaSalSystem();
}

std::shared_ptr<SalBitmap> AquaSalInstance::CreateSalBitmap()
{
    return std::make_shared<QuartzSalBitmap>();
}

OUString AquaSalInstance::getOSVersion()
{
    NSString * versionString = nullptr;
    NSDictionary * sysVersionDict = [ NSDictionary dictionaryWithContentsOfFile: @"/System/Library/CoreServices/SystemVersion.plist" ];
    if ( sysVersionDict )
        versionString = [ sysVersionDict valueForKey: @"ProductVersion" ];

    OUString aVersion = "Mac OS X ";
    if ( versionString )
        aVersion += OUString::fromUtf8( [ versionString UTF8String ] );
    else
        aVersion += "(unknown)";

    return aVersion;
}

CGImageRef CreateCGImage( const Image& rImage )
{
    BitmapEx aBmpEx( rImage.GetBitmapEx() );
    Bitmap aBmp( aBmpEx.GetBitmap() );

    if( ! aBmp || ! aBmp.ImplGetSalBitmap() )
        return nullptr;

    // simple case, no transparency
    QuartzSalBitmap* pSalBmp = static_cast<QuartzSalBitmap*>(aBmp.ImplGetSalBitmap().get());

    if( ! pSalBmp )
        return nullptr;

    CGImageRef xImage = nullptr;
    if( ! (aBmpEx.IsAlpha() || aBmpEx.IsTransparent() ) )
        xImage = pSalBmp->CreateCroppedImage( 0, 0, pSalBmp->mnWidth, pSalBmp->mnHeight );
    else if( aBmpEx.IsAlpha() )
    {
        AlphaMask aAlphaMask( aBmpEx.GetAlpha() );
        Bitmap aMask( aAlphaMask.GetBitmap() );
        QuartzSalBitmap* pMaskBmp = static_cast<QuartzSalBitmap*>(aMask.ImplGetSalBitmap().get());
        if( pMaskBmp )
            xImage = pSalBmp->CreateWithMask( *pMaskBmp, 0, 0, pSalBmp->mnWidth, pSalBmp->mnHeight );
        else
            xImage = pSalBmp->CreateCroppedImage( 0, 0, pSalBmp->mnWidth, pSalBmp->mnHeight );
    }
    else if( aBmpEx.GetTransparentType() == TransparentType::Bitmap )
    {
        Bitmap aMask( aBmpEx.GetMask() );
        QuartzSalBitmap* pMaskBmp = static_cast<QuartzSalBitmap*>(aMask.ImplGetSalBitmap().get());
        if( pMaskBmp )
            xImage = pSalBmp->CreateWithMask( *pMaskBmp, 0, 0, pSalBmp->mnWidth, pSalBmp->mnHeight );
        else
            xImage = pSalBmp->CreateCroppedImage( 0, 0, pSalBmp->mnWidth, pSalBmp->mnHeight );
    }
    else if( aBmpEx.GetTransparentType() == TransparentType::Color )
    {
        Color aTransColor( aBmpEx.GetTransparentColor() );
        Color nTransColor( aTransColor.GetRed(), aTransColor.GetGreen(), aTransColor.GetBlue() );
        xImage = pSalBmp->CreateColorMask( 0, 0, pSalBmp->mnWidth, pSalBmp->mnHeight, nTransColor );
    }

    return xImage;
}

NSImage* CreateNSImage( const Image& rImage )
{
    CGImageRef xImage = CreateCGImage( rImage );

    if( ! xImage )
        return nil;

    Size aSize( rImage.GetSizePixel() );
    NSImage* pImage = [[NSImage alloc] initWithSize: NSMakeSize( aSize.Width(), aSize.Height() )];
    if( pImage )
    {
        [pImage lockFocusFlipped:YES];
        NSGraphicsContext* pContext = [NSGraphicsContext currentContext];
        CGContextRef rCGContext = [pContext CGContext];

        const CGRect aDstRect = { {0, 0}, { static_cast<CGFloat>(aSize.Width()), static_cast<CGFloat>(aSize.Height()) } };
        CGContextDrawImage( rCGContext, aDstRect, xImage );

        [pImage unlockFocus];
    }

    CGImageRelease( xImage );

    return pImage;
}

bool AquaSalInstance::SVMainHook(int* pnInit)
{
    gpnInit = pnInit;

    OUString aExeURL, aExe;
    osl_getExecutableFile( &aExeURL.pData );
    osl_getSystemPathFromFileURL( aExeURL.pData, &aExe.pData );
    OString aByteExe( OUStringToOString( aExe, osl_getThreadTextEncoding() ) );

#ifdef DEBUG
    aByteExe += OString ( " NSAccessibilityDebugLogLevel 1" );
    const char* pArgv[] = { aByteExe.getStr(), NULL };
    NSApplicationMain( 3, pArgv );
#else
    const char* pArgv[] = { aByteExe.getStr(), nullptr };
    NSApplicationMain( 1, pArgv );
#endif

    return true;
}

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