summaryrefslogtreecommitdiff
path: root/extensions/source/nsplugin/source/npshell.cxx
blob: 81ce8fb098de2b4faafc5226d9a3dea5a12599d2 (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
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
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * 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.
 *
 ************************************************************************/


#ifdef UNIX

#define XP_UNIX 1

#include <strings.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <unistd.h>
#include <fcntl.h>

#endif //end of UNIX

#ifdef WNT

#define _WINDOWS

#pragma warning (push,1)
#pragma warning (disable:4668)

#include <windows.h>
#include <direct.h>
#include <stdlib.h>
#include <io.h>
#include <sys/types.h>
#include <fcntl.h>

#pragma warning (pop)

#endif //end of WNT


#include <stdio.h>

#include <string.h>
#include <errno.h>
#include "boost/scoped_array.hpp"
#include "tools/pathutils.hxx"

#include "npapi.h"
#include "npshell.hxx"
#include "so_env.hxx"
#include "so_msg.hxx"
#include "ns_debug.hxx"


#include "nsp_func.hxx"

#include <comphelper/documentconstants.hxx>

#ifdef _MSC_VER
#define NP_DLLPUBLIC
#else
#define NP_DLLPUBLIC SAL_DLLPUBLIC_EXPORT
#endif

/***********************************************************************
 *
 * Implementations of plugin API functions
 *
 ***********************************************************************/

static NSP_Mute_Obj send_lock = NSP_New_Mute_Obj();
static NSP_PIPE_FD write_fd = 0;


long int NSP_WriteToPipe(NSP_PIPE_FD fp, void* buf, unsigned long int len)
{
    unsigned long int len_unix = 0, len_wnt = 0;

    len_unix = NSP_Write_Pipe(fp, buf, len, &len_wnt);
#ifdef UNIX
    (void)len_wnt;
    return len_unix;
#endif //end of UNIX
#ifdef WNT
    (void)len_unix;
    return len_wnt;
#endif //end of WNT

}

#ifdef UNIX
static pid_t nChildPID = 0;
#endif

#define MY_LENGTH(s) (sizeof (s) / sizeof *(s) - 1)
#define MY_STRING(s) (s), MY_LENGTH(s)

#if defined WNT
namespace {

bool extendEnvironment(boost::scoped_array< WCHAR > * environment) {
    WCHAR path[MAX_PATH];
    int len = MultiByteToWideChar(
        CP_ACP, MB_PRECOMPOSED, findInstallDir(), -1, path, MAX_PATH);
        //TODO: conversion errors
    if (len == 0 ||
        (tools::buildPath(path, path, path + len - 1, MY_STRING(L"\\ure-link"))
         == NULL))
    {
        return false;
    }
    WCHAR * pathEnd = tools::resolveLink(path);
    if (pathEnd == NULL) {
        return false;
    }
    pathEnd = tools::buildPath(path, path, pathEnd, MY_STRING(L"\\bin"));
    if (pathEnd == NULL) {
        return false;
    }
    WCHAR const * env = GetEnvironmentStringsW();
    if (env == NULL) {
        return false;
    }
    WCHAR const * p = env;
    WCHAR const * p1 = NULL;
    while (*p != L'\0') {
        size_t n = wcslen(p);
        if (p1 == NULL && n >= MY_LENGTH(L"PATH=") &&
            (p[0] == L'P' ||  p[0] == L'p') &&
            (p[1] == L'A' ||  p[1] == L'a') &&
            (p[2] == L'T' ||  p[2] == L't') &&
            (p[3] == L'H' ||  p[3] == L'h') && p[4] == L'=')
        {
            p1 = p + MY_LENGTH(L"PATH=");
            //TODO: check whether the path is already present in PATH (at the
            // beginning of PATH?)
        }
        p += n + 1;
    }
    ++p;
    if (p1 == NULL) {
        environment->reset(
            new WCHAR[MY_LENGTH(L"PATH=") + (pathEnd - path) + 1 + (p - env)]);
            //TODO: overflow
        memcpy(environment->get(), MY_STRING(L"PATH=") * sizeof (WCHAR));
        memcpy(
            environment->get() + MY_LENGTH(L"PATH="), path,
            ((pathEnd - path) + 1) * sizeof (WCHAR));
        memcpy(
            environment->get() + MY_LENGTH(L"PATH=") + (pathEnd - path) + 1,
            env, (p - env) * sizeof (WCHAR));
    } else {
        environment->reset(
            new WCHAR[(p - env) + (pathEnd - path) + MY_LENGTH(L";")]);
            //TODO: overflow
        memcpy(environment->get(), env, (p1 - env) * sizeof (WCHAR));
        memcpy(
            environment->get() + (p1 - env), path,
            (pathEnd - path) * sizeof (WCHAR));
        environment->get()[(p1 - env) + (pathEnd - path)] = L';';
        memcpy(
            environment->get() + (p1 - env) + (pathEnd - path) + 1, p1,
            (p - p1) * sizeof (WCHAR));
    }
    return true;
}

}
#endif

// start nspluin executable in child process, and use pipe to talk with it
int do_init_pipe()
{
    debug_fprintf(NSP_LOG_APPEND, "enter do_init_pipe 1\n");
    NSP_PIPE_FD fd[2];

    if( 0 != NSP_Inherited_Pipe(fd) )
        return NPERR_GENERIC_ERROR;

    write_fd = fd[1];   // write fd
#ifdef UNIX
    // the parent process will wait for the child process in NPP_Shutdown code
    nChildPID = fork();

    if( ! nChildPID )  // child process
#endif //end of UNIX
    {
#ifdef UNIX
        char s_read_fd[16] = {0};
        char s_write_fd[16] = {0};
        sprintf(s_read_fd,  "%d", fd[0]);
        sprintf(s_write_fd, "%d", fd[1]);
        char const * progdir = findProgramDir();
        boost::scoped_array< char > exepath(
            new char[strlen(progdir) + RTL_CONSTASCII_LENGTH("/nsplugin") + 1]);
        sprintf(exepath.get(), "%s/nsplugin", progdir);
        boost::scoped_array< char > inifilepath(
            new char[
                RTL_CONSTASCII_LENGTH(
                    "-env:INIFILENAME=vnd.sun.star.pathname:") +
                strlen(progdir) + RTL_CONSTASCII_LENGTH("/redirectrc") + 1]);
            //TODO: overflow
        sprintf(
            inifilepath.get(),
            "-env:INIFILENAME=vnd.sun.star.pathname:%s/redirectrc", progdir);
        execl(
            exepath.get(), exepath.get(), s_read_fd, s_write_fd,
            inifilepath.get(), progdir, NULL);
        _exit(255);
#endif //end of UNIX
#ifdef WNT
        WCHAR s_read_fd[16] = {0};
        WCHAR s_write_fd[16] = {0};
        wsprintfW(s_read_fd, L"%d", fd[0]);
        wsprintfW(s_write_fd, L"%d", fd[1]);
        boost::scoped_array< WCHAR > env;
        if (!extendEnvironment(&env)) {
            return NPERR_GENERIC_ERROR;
        }
        WCHAR path[MAX_PATH];
        int pathLen = MultiByteToWideChar(
            CP_ACP, MB_PRECOMPOSED, findProgramDir(), -1, path, MAX_PATH);
            //TODO: conversion errors
        if (pathLen == 0) {
            return NPERR_GENERIC_ERROR;
        }
        WCHAR exe[MAX_PATH];
        WCHAR * exeEnd = tools::buildPath(
            exe, path, path + pathLen - 1, MY_STRING(L"\\nsplugin.exe"));
        if (exeEnd == NULL) {
            return NPERR_GENERIC_ERROR;
        }
        WCHAR ini[MAX_PATH];
        WCHAR * iniEnd = tools::buildPath(
            ini, path, path + pathLen - 1, MY_STRING(L"\\redirect.ini"));
        if (iniEnd == NULL) {
            return NPERR_GENERIC_ERROR;
        }
        boost::scoped_array< WCHAR > args(
            new WCHAR[
                MY_LENGTH(L"\"") + (exeEnd - exe) + MY_LENGTH(L"\" ") +
                wcslen(s_read_fd) + MY_LENGTH(L" ") + wcslen(s_write_fd) +
                MY_LENGTH(L" \"-env:INIFILENAME=vnd.sun.star.pathname:") +
                (iniEnd - ini) + MY_LENGTH(L"\"") + 1]); //TODO: overflow
        wsprintfW(
            args.get(),
            L"\"%s\" %s %s \"-env:INIFILENAME=vnd.sun.star.pathname:%s\"", exe,
            s_read_fd, s_write_fd, ini);
        STARTUPINFOW NSP_StarInfo;
        memset((void*) &NSP_StarInfo, 0, sizeof(STARTUPINFOW));
        NSP_StarInfo.cb = sizeof(STARTUPINFOW);
        PROCESS_INFORMATION NSP_ProcessInfo;
        memset((void*)&NSP_ProcessInfo, 0, sizeof(PROCESS_INFORMATION));
        if(!CreateProcessW(
               exe, args.get(), NULL, NULL, TRUE,
               CREATE_NO_WINDOW | CREATE_UNICODE_ENVIRONMENT, env.get(), path,
               &NSP_StarInfo, &NSP_ProcessInfo))
        {
            DWORD Err = GetLastError();
            (void)Err;
        }
#endif //end of WNT
    }
    NSP_Close_Pipe(fd[0]);
    return NPERR_NO_ERROR;
}

bool sendMsg( PLUGIN_MSG* pMsg, size_t len, int iEnsure)
{
    NSP_Lock_Mute_Obj(send_lock);
    size_t len_w = 0;

    debug_fprintf(NSP_LOG_APPEND, "try to send message type:%d; len: %d\n", pMsg->msg_id, len);
    /*
    debug_fprintf(NSP_LOG_APPEND, "NSPlugin Message: msg_id:%d; instance_id:%d;
        wnd_id:%d;wnd_x:%d;wnd_y:%d;wnd_w:%d;wnd_h:%d; url:%s\n",
        pMsg->msg_id, pMsg->instance_id, pMsg->wnd_id,
        pMsg->wnd_x, pMsg->wnd_y, pMsg->wnd_w, pMsg->wnd_h, pMsg->url);*/
    len_w = NSP_WriteToPipe(write_fd, (void*) pMsg, len);
    if (len_w != len){
        if(errno == EPIPE) // If pipe breaks, then init pipe again and resend the msg
        {
            if(iEnsure){
                debug_fprintf(NSP_LOG_APPEND, "send message error, plugin exec need to be restart\n");
                NSP_Close_Pipe(write_fd);
                do_init_pipe();
                len_w = NSP_WriteToPipe(write_fd, (void*) pMsg, len);
            }
        }
        else if(errno == EINTR) // If interrupted by signal, then continue to send
        {
            long  new_len;
            debug_fprintf(NSP_LOG_APPEND, "send message error, send intrrupted by singal, resend again\n");
            new_len = NSP_WriteToPipe(write_fd, (char*)pMsg+len_w, len-len_w);
            len_w = len_w + new_len;
        }
        else  // else return error
        {
            debug_fprintf(NSP_LOG_APPEND, "send message error :%s.\n", strerror(errno));
            len_w = 0;
        }
    }
    NSP_Unlock_Mute_Obj(send_lock);
    debug_fprintf(NSP_LOG_APPEND, "send message success!\n");
    return len_w == len;
}

extern "C"
{
char* pMimeTypes = const_cast< char* >( "application/vnd.stardivision.calc:sdc:StarCalc 3.0 - 5.0;"
"application/vnd.stardivision.chart:sds:StarChart 3.0 - 5.0;"
"application/vnd.stardivision.draw:sda:StarDraw 3.0 - 5.0;"
"application/vnd.stardivision.impress:sdd:StarImpress 3.0 - 5.0;"
"application/vnd.stardivision.impress-packed:sdp:StarImpress-packed 3.0 - 5.0;"
"application/vnd.stardivision.math:smf:StarMath 3.0 - 5.0;"
"application/vnd.stardivision.writer:vor:StarWriter Template 3.0 - 5.0;"
"application/vnd.stardivision.writer-global:sgl:StarWriter Global 3.0 - 5.0;"
"application/vnd.staroffice.writer:sdw:StarWriter 3.0 - 5.0;"
"application/msword:doc:MS Word document;"
"application/msword:dot:MS Word document template;"
"application/vnd.ms-excel:xls:MS Excel spreadsheet;"
"application/vnd.ms-excel:xlt:MS Excel spreadsheet template;"
"application/vnd.ms-excel:xla:MS Excel spreadsheet;"
MIMETYPE_VND_SUN_XML_CALC_ASCII ":sxc:StarOffice 6.0/7 Spreadsheet;"
MIMETYPE_VND_SUN_XML_CALC_TEMPLATE_ASCII":stc:StarOffice 6.0/7 Spreadsheet Template;"
MIMETYPE_VND_SUN_XML_DRAW_ASCII ":sxd:StarOffice 6.0/7 Drawing;"
MIMETYPE_VND_SUN_XML_DRAW_TEMPLATE_ASCII ":std:StarOffice 6.0/7 Drawing Template;"
MIMETYPE_VND_SUN_XML_IMPRESS_ASCII ":sxi:StarOffice 6.0/7 Presentation;"
MIMETYPE_VND_SUN_XML_IMPRESS_TEMPLATE_ASCII ":sti:StarOffice 6.0/7 Presentation Template;"
MIMETYPE_VND_SUN_XML_MATH_ASCII ":sxm:StarOffice 6.0/7 Formula;"
MIMETYPE_VND_SUN_XML_WRITER_ASCII ":sxw:StarOffice 6.0/7 Text Document;"
MIMETYPE_VND_SUN_XML_WRITER_GLOBAL_ASCII ":sxg:StarOffice 6.0/7 Master Document;"
MIMETYPE_VND_SUN_XML_WRITER_TEMPLATE_ASCII ":stw:StarOffice 6.0/7 Text Document Template;"
MIMETYPE_OASIS_OPENDOCUMENT_TEXT_ASCII ":odt:OpenDocument Text;"
MIMETYPE_OASIS_OPENDOCUMENT_TEXT_TEMPLATE_ASCII ":ott:OpenDocument Text Template;"
MIMETYPE_OASIS_OPENDOCUMENT_TEXT_GLOBAL_ASCII ":odm:OpenDocument Master Document;"
MIMETYPE_OASIS_OPENDOCUMENT_TEXT_WEB_ASCII ":oth:HTML Document Template;"
MIMETYPE_OASIS_OPENDOCUMENT_SPREADSHEET_ASCII ":ods:OpenDocument Spreadsheet;"
MIMETYPE_OASIS_OPENDOCUMENT_SPREADSHEET_TEMPLATE_ASCII ":ots:OpenDocument Spreadsheet Template;"
MIMETYPE_OASIS_OPENDOCUMENT_DRAWING_ASCII ":odg:OpenDocument Drawing;"
MIMETYPE_OASIS_OPENDOCUMENT_DRAWING_TEMPLATE_ASCII ":otg:OpenDocument Drawing Template;"
MIMETYPE_OASIS_OPENDOCUMENT_PRESENTATION_ASCII ":odp:OpenDocument Presentation;"
MIMETYPE_OASIS_OPENDOCUMENT_PRESENTATION_TEMPLATE_ASCII ":otp:OpenDocument Presentation Template;"
MIMETYPE_OASIS_OPENDOCUMENT_FORMULA_ASCII ":odf:OpenDocument Formula;" );

NP_DLLPUBLIC
#ifndef HAVE_NON_CONST_NPP_GETMIMEDESCRIPTION
const
#endif
char*
NPP_GetMIMEDescription(void)
{
    debug_fprintf(NSP_LOG_APPEND, "print by Netscape Plugin,  NPP_GetMIMEDescription:%s.\n", pMimeTypes);
    return(pMimeTypes);
}

#ifdef UNIX
NP_DLLPUBLIC NPError
NPP_GetValue(NPP /*instance*/, NPPVariable variable, void *value)
{
    NPError err = NPERR_NO_ERROR;

    switch (variable) {
        case NPPVpluginNameString:
            // add here, for dynamic productname
            *((char **)value) = NSP_getPluginName();
            break;
        case NPPVpluginDescriptionString:
            // add here, for dynamic product description
            *((char **)value) = NSP_getPluginDesc();
            break;
        default:
            err = NPERR_GENERIC_ERROR;
    }
    debug_fprintf(NSP_LOG_APPEND, "print by Netscape Plugin,  NPP_GetValue return %d.\n", err);
    return err;
}


NPMIMEType
dupMimeType(NPMIMEType type)
{
    NPMIMEType mimetype = (NPMIMEType) NPN_MemAlloc(strlen(type)+1);
    mimetype[strlen(type)] = 0;
    if (mimetype)
        strcpy(mimetype, type);
    return(mimetype);
}
#endif // end of UNIX

NP_DLLPUBLIC NPError
NPP_Initialize(void)
{
    debug_fprintf(NSP_LOG_NEW, "NS Plugin begin initialize.\n");
    return (NPError)do_init_pipe();
}

#ifdef OJI
NP_DLLPUBLIC jref
NPP_GetJavaClass()
{
    return NULL;
}
#endif

NP_DLLPUBLIC void
NPP_Shutdown(void)
{
    PLUGIN_MSG msg;
    memset((char*)&msg, 0, sizeof(PLUGIN_MSG));
    msg.msg_id = SO_SHUTDOWN;
    sendMsg(&msg, sizeof(PLUGIN_MSG), 0);
    NSP_Close_Pipe(write_fd);

#ifdef UNIX
    // on Unix we should wait till the child process is dead
    int nStatus;
    waitpid( nChildPID, &nStatus, 0 );
#endif
}

NP_DLLPUBLIC NPError NP_LOADDS
NPP_New(NPMIMEType pluginType,
    NPP instance,
    uint16_t mode,
    int16_t /*argc*/,
    char* /*argn*/[],
    char* /*argv*/[],
    NPSavedData* /*saved*/)
{
    PluginInstance* This;

    debug_fprintf(NSP_LOG_APPEND, "print by Netscape Plugin, enter NPP_New.\n");
    if (instance == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;

    instance->pdata = (PluginInstance*)NPN_MemAlloc(sizeof(PluginInstance));

    memset(instance->pdata, 0 , sizeof(PluginInstance));
    This = (PluginInstance*) instance->pdata;

    if (This == NULL)
    {
        return NPERR_OUT_OF_MEMORY_ERROR;
    }

    memset(This, 0, sizeof(PluginInstance));

    /* mode is NP_EMBED, NP_FULL, or NP_BACKGROUND (see npapi.h) */
#ifdef UNIX
    This->mode = mode;
    This->type = dupMimeType(pluginType);
    This->instance = instance;
    This->pluginsPageUrl = NULL;
    This->exists = FALSE;
#endif //end of UNIX
#ifdef WNT
    (void)pluginType;
    This->fWindow = (NPWindow*)NPN_MemAlloc(sizeof(NPWindow));
    memset(This->fWindow, 0, sizeof (NPWindow));
    This->fMode = mode;
  #endif //end of WNT
    PLUGIN_MSG msg;
    memset((char*)&msg, 0, sizeof(PLUGIN_MSG));
    msg.msg_id = SO_NEW_INSTANCE;
    msg.instance_id = (plugin_Int32)instance;
    if (!sendMsg(&msg, sizeof(PLUGIN_MSG), 1))
        return NPERR_GENERIC_ERROR;

    NPN_Status(instance, "......");
    return NPERR_NO_ERROR;
}

NP_DLLPUBLIC NPError NP_LOADDS
NPP_Destroy(NPP instance, NPSavedData** /*save*/)
{
    debug_fprintf(NSP_LOG_APPEND, "print by Nsplugin, enter NPP_Destroy.\n");
    PluginInstance* This;

    if (instance == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;

    // Send destroy message
    PLUGIN_MSG msg;
    memset((char*)&msg, 0, sizeof(PLUGIN_MSG));
    msg.msg_id = SO_DESTROY;
    msg.instance_id = (plugin_Int32)instance;
#ifdef UNIX
    msg.wnd_id =(plugin_Int32)((PluginInstance*) instance->pdata)->window;
#endif //end of UNIX
#ifdef WNT
    msg.wnd_id =(plugin_Int32)((PluginInstance*) instance->pdata)->fhWnd;
#endif //end of WNT
    sendMsg(&msg, sizeof(PLUGIN_MSG), 0);

    // Free the instance space
    This = (PluginInstance*) instance->pdata;
    if (This != NULL) {
#ifdef UNIX
        if (This->type)
            NPN_MemFree(This->type);
        if (This->pluginsPageUrl)
            NPN_MemFree(This->pluginsPageUrl);
        if (This->pluginsFileUrl)
                NPN_MemFree(This->pluginsFileUrl);
#endif //end of UNIX
#ifdef WNT
        if(This->fWindow)
            NPN_MemFree(This->fWindow);
#endif //end of WNT
        NPN_MemFree(instance->pdata);
        instance->pdata = NULL;
    }

    return NPERR_NO_ERROR;
}


NP_DLLPUBLIC NPError NP_LOADDS
NPP_SetWindow(NPP instance, NPWindow* window)
{
    PluginInstance* This;
#ifdef UNIX
    NPSetWindowCallbackStruct *ws_info;
#endif //end of UNIX

    debug_fprintf(NSP_LOG_APPEND, "print by Netscape Plugin, received window resize.\n");
    if (instance == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;

    This = (PluginInstance*) instance->pdata;
    if (This == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;

    // Prepare the general part of the SET_WINDOW message
    PLUGIN_MSG msg;
    memset((char*)&msg, 0, sizeof(msg));
    msg.msg_id = SO_SET_WINDOW;
    msg.instance_id = (plugin_Int32)instance;

    if ( window )
    {
        // Set window info for instance
#ifdef UNIX
        ws_info        = (NPSetWindowCallbackStruct *)window->ws_info;
        This->window   = (Window) window->window;
        This->x        = window->x;
        This->y        = window->y;
        This->width    = window->width;
        This->height   = window->height;
        This->display  = ws_info->display;
        This->visual   = ws_info->visual;
        This->depth    = ws_info->depth;
        This->colormap = ws_info->colormap;
#endif    //end of UNIX
#ifdef WNT
        This->fhWnd   = (HWND) window->window;
        This->fWindow->x        = window->x;
        This->fWindow->y        = window->y;
        This->fWindow->width    = window->width;
        This->fWindow->height   = window->height;
#endif    //end of WNT
        debug_fprintf(NSP_LOG_APPEND, "begin Set window of Office\n");
        debug_fprintf(NSP_LOG_APPEND, "W=(%d) H=(%d)\n", window->width, window->height);

        // fill the window dependent part of the message
        msg.wnd_id = (plugin_Int32) window->window;
        msg.wnd_x = window->x;
        msg.wnd_y = window->y;
        msg.wnd_w = window->width;
        msg.wnd_h = window->height;
    }
    else
    {
        // empty window pointer usually means closing of the parent window
#ifdef UNIX
        ws_info        = NULL;
        This->window   = (Window) NULL;
        This->x        = 0;
        This->y        = 0;
        This->width    = 0;
        This->height   = 0;
        This->display  = NULL;
        This->visual   = NULL;
#endif    //end of UNIX
#ifdef WNT
        This->fhWnd   = (HWND) NULL;
        This->fWindow->x        = 0;
        This->fWindow->y        = 0;
        This->fWindow->width    = 0;
        This->fWindow->height   = 0;
#endif    //end of WNT
        debug_fprintf(NSP_LOG_APPEND, "Empty window pointer is provided\n");

        // fill the window dependent part of the message
        msg.wnd_id = (plugin_Int32) NULL;
        msg.wnd_x = 0;
        msg.wnd_y = 0;
        msg.wnd_w = 0;
        msg.wnd_h = 0;
    }

    if(!sendMsg(&msg, sizeof(PLUGIN_MSG), 1))
    {
        debug_fprintf(NSP_LOG_APPEND, "NPP_SetWindow return failure \n");
        return NPERR_GENERIC_ERROR;
    }

    return NPERR_NO_ERROR;
}


NP_DLLPUBLIC NPError NP_LOADDS
NPP_NewStream(NPP instance,
          NPMIMEType /*type*/,
          NPStream* /*stream*/,
          NPBool /*seekable*/,
          uint16_t *stype)
{
    if (instance == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;

    // Notify Mozilla to fetch the remote file into local cache directory
    *stype=NP_ASFILEONLY;

    return NPERR_NO_ERROR;
}


int32_t STREAMBUFSIZE = 0X0FFFFFFF;
/* If we are reading from a file in NPAsFile
 * mode so we can take any size stream in our
 * write call (since we ignore it) */

NP_DLLPUBLIC int32_t NP_LOADDS
NPP_WriteReady(NPP /*instance*/, NPStream* /*stream*/)
{
    return STREAMBUFSIZE;
}


NP_DLLPUBLIC int32_t NP_LOADDS
NPP_Write(NPP /*instance*/, NPStream* /*stream*/, int32_t /*offset*/, int32_t len, void* /*buffer*/)
{
    return len;     /* The number of bytes accepted */
}


NP_DLLPUBLIC NPError NP_LOADDS
NPP_DestroyStream(NPP instance, NPStream* /*stream*/, NPError /*reason*/)
{
    if (instance == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;
    return NPERR_NO_ERROR;
}

// save fname to another file with the original file name
NP_DLLPUBLIC void NP_LOADDS
NPP_StreamAsFile(NPP instance, NPStream *stream, const char* fname)
{
    debug_fprintf(NSP_LOG_APPEND, "Into Stream\n");
    char* url = (char*)stream->url;
    char filename[1024] = {0};
    char* pfilename = NULL;
    if (NULL != (pfilename = strrchr(url, '/')))
    {
        strcpy(filename, pfilename+1);
    } else {
        return;
    }

    int length = strlen(url);
    debug_fprintf(NSP_LOG_APPEND, "url: %s; length: %d\n", url, length);
    PluginInstance* This;
    This = (PluginInstance*) instance->pdata;

    debug_fprintf(NSP_LOG_APPEND, "NPP_StreamAsFile\n");

    // copy cached file to another file with original name
    char localPathNew[NPP_PATH_MAX] = {0};
    char localFileNew[NPP_PATH_MAX] = {0};
    // if the file is from local
    if (0 == STRNICMP(url, "file:///", strlen("file:///")))
    {
        sprintf(localPathNew, "%s", fname);
        char* pAskSymbol = NULL;
        if(NULL != (pAskSymbol = strrchr(localPathNew, '?')))
            *pAskSymbol = 0;
    }
    else // from network, on windows, fname is c:\abc123
    {
        strncpy(localPathNew, fname, sizeof(localPathNew));
        char* pRandomFilename = NULL;

#ifdef UNIX
        if(NULL != (pRandomFilename = strrchr(localPathNew, '/')))
#endif //end of UNIX
#ifdef WNT
        if(NULL != (pRandomFilename = strrchr(localPathNew, '\\')))
#endif //end of WNT
        {
            pRandomFilename[1] = 0;
        } else {
            return;
        }
        strcat(localPathNew, filename);
        char* pAskSymbol = NULL;
        if(NULL != (pAskSymbol = strrchr(localPathNew, '?')))
            *pAskSymbol = 0;

        sprintf(localFileNew, "file://%s", localPathNew);
        UnixToDosPath(localFileNew);
        debug_fprintf(NSP_LOG_APPEND, "fname: %s\n localPathNew: %s\nlocalFileNew: %s\n",
            fname, localPathNew, localFileNew);

        restoreUTF8(localPathNew);
        restoreUTF8(localFileNew);
        if(0 != strcmp(fname, localPathNew)) {

#ifdef WNT
        if(NULL == CopyFile(fname, localPathNew, FALSE))
            return;
#endif //end of WNT

#ifdef UNIX
        int fdSrc, fdDst;
        if((0 > (fdSrc = open(fname, O_RDONLY)))){
                return;
        }
        remove(localPathNew);
        umask(0);
        if  (0 > (fdDst = open(localPathNew, O_WRONLY|O_CREAT,
                        S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH))){
            close( fdSrc);
            debug_fprintf(NSP_LOG_APPEND, "NPP_StreamAsFile:can not create cache file %s. error: %s \n",
                localPathNew, strerror(errno));
            return;
        }
        char buffer[NPP_BUFFER_SIZE] = {0};
        int ret;
        while(0 <= (ret = read(fdSrc, buffer, NPP_BUFFER_SIZE)))
        {
            if (0 == ret)
            {
                if(EINTR == errno)
                    continue;
                else

                    break;
            }
            write(fdDst, buffer, ret);
        }
        close(fdSrc);
        close(fdDst);
#endif //end of UNIX

        debug_fprintf(NSP_LOG_APPEND, "NPP_StreamAsFile:before SetURL\n");
        }
    }

    // send SO_SET_URl message to inform the new URL
    PLUGIN_MSG msg;
    memset((char*)&msg, 0, sizeof(PLUGIN_MSG));
    msg.msg_id = SO_SET_URL;
    msg.instance_id = (plugin_Int32)instance;
#ifdef UNIX
    msg.wnd_id =(plugin_Int32)(This->window);
    sprintf(msg.url, "file://%s", localPathNew);
#endif //end of UNIX
#ifdef WNT
    msg.wnd_id =(int)(This->fhWnd);
    sprintf(msg.url, "file:///%s", localPathNew);
    DosToUnixPath(msg.url);
#endif //endof WNT
    if(!sendMsg(&msg, sizeof(PLUGIN_MSG), 1))
        debug_fprintf(NSP_LOG_APPEND, "NPP_StreamAsFile send SO_SET_URL return failure \n");

    // send SO_SET_WINDOW message
//    memset((char*)&msg, 0, sizeof(PLUGIN_MSG));
    msg.msg_id = SO_SET_WINDOW;
    msg.instance_id = (plugin_Int32)instance;
//  msg.wnd_id =(plugin_Int32)((PluginInstance*) instance->pdata)->window;
#ifdef UNIX
    msg.wnd_x = This->x;
    msg.wnd_y = This->y;
    msg.wnd_w = This->width;
    msg.wnd_h = This->height;
#endif //end of UNIX
#ifdef WNT
    msg.wnd_x = This->fWindow->x;
    msg.wnd_y = This->fWindow->y;
    msg.wnd_w = This->fWindow->width;
    msg.wnd_h = This->fWindow->height;
#endif //endof WNT
    if(!sendMsg(&msg, sizeof(PLUGIN_MSG), 1))
        debug_fprintf(NSP_LOG_APPEND, "NPP_StreamAsFile send SO_SET_WINDOW return failure \n");
}

NP_DLLPUBLIC void NP_LOADDS
NPP_URLNotify(NPP /*instance*/, const char* /*url*/,
                NPReason /*reason*/, void* /*notifyData*/)
{
}


NP_DLLPUBLIC void NP_LOADDS
NPP_Print(NPP instance, NPPrint* printInfo)
{
    if(printInfo == NULL)
        return;

    if (instance != NULL) {
    /***** Insert NPP_Print code here *****/
        PluginInstance* This = (PluginInstance*) instance->pdata;
        (void)This;
        PLUGIN_MSG msg;
        memset((char*)&msg, 0, sizeof(PLUGIN_MSG));
        msg.msg_id = SO_PRINT;
        msg.instance_id = (plugin_Int32)instance;
        if(!sendMsg(&msg, sizeof(PLUGIN_MSG), 1))
            debug_fprintf(NSP_LOG_APPEND, "NPP_StreamAsFile send SO_SET_WINDOW return failure \n");
       printInfo->mode = TRUE;
    /**************************************/

        if (printInfo->mode == NP_FULL) {
            /*
             * PLUGIN DEVELOPERS:
             *  If your plugin would like to take over
             *  printing completely when it is in full-screen mode,
             *  set printInfo->pluginPrinted to TRUE and print your
             *  plugin as you see fit.  If your plugin wants Netscape
             *  to handle printing in this case, set
             *  printInfo->pluginPrinted to FALSE (the default) and
             *  do nothing.  If you do want to handle printing
             *  yourself, printOne is true if the print button
             *  (as opposed to the print menu) was clicked.
             *  On the Macintosh, platformPrint is a THPrint; on
             *  Windows, platformPrint is a structure
             *  (defined in npapi.h) containing the printer name, port,
             *  etc.
             */

    /***** Insert NPP_Print code here *****\
            void* platformPrint =
                printInfo->print.fullPrint.platformPrint;
            NPBool printOne =
                printInfo->print.fullPrint.printOne;
    \**************************************/

            /* Do the default*/
            printInfo->print.fullPrint.pluginPrinted = FALSE;
        }
        else {  /* If not fullscreen, we must be embedded */
            /*
             * PLUGIN DEVELOPERS:
             *  If your plugin is embedded, or is full-screen
             *  but you returned false in pluginPrinted above, NPP_Print
             *  will be called with mode == NP_EMBED.  The NPWindow
             *  in the printInfo gives the location and dimensions of
             *  the embedded plugin on the printed page.  On the
             *  Macintosh, platformPrint is the printer port; on
             *  Windows, platformPrint is the handle to the printing
             *  device context.
             */

    /***** Insert NPP_Print code here *****\
            NPWindow* printWindow =
                &(printInfo->print.embedPrint.window);
            void* platformPrint =
                printInfo->print.embedPrint.platformPrint;
    \**************************************/
        }
    }
}

}// end of extern "C"

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