llfilepicker.cpp

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#include "llviewerprecompiledheaders.h"

#include "llfilepicker.h"
#include "llworld.h"
#include "llviewerwindow.h"
#include "llkeyboard.h"
#include "lldir.h"
#include "llframetimer.h"

#if LL_SDL
#include "llwindowsdl.h" // for some X/GTK utils to help with filepickers
#endif // LL_SDL

//
// Globals
//

LLFilePicker LLFilePicker::sInstance;

#if LL_WINDOWS
#define SOUND_FILTER L"Sounds (*.wav)\0*.wav\0"
#define IMAGE_FILTER L"Images (*.tga; *.bmp; *.jpg; *.jpeg; *.png)\0*.tga;*.bmp;*.jpg;*.jpeg;*.png\0"
#define ANIM_FILTER L"Animations (*.bvh)\0*.bvh\0"
#ifdef _CORY_TESTING
#define GEOMETRY_FILTER L"SL Geometry (*.slg)\0*.slg\0"
#endif
#define XML_FILTER L"XML files (*.xml)\0*.xml\0"
#define SLOBJECT_FILTER L"Objects (*.slobject)\0*.slobject\0"
#define RAW_FILTER L"RAW files (*.raw)\0*.raw\0"
#endif

//
// Implementation
//
#if LL_WINDOWS

LLFilePicker::LLFilePicker() 
{
        reset();

        mOFN.lStructSize = sizeof(OPENFILENAMEW);
        mOFN.hwndOwner = NULL;  // Set later
        mOFN.hInstance = NULL;
        mOFN.lpstrCustomFilter = NULL;
        mOFN.nMaxCustFilter = 0;
        mOFN.lpstrFile = NULL;                                                  // set in open and close
        mOFN.nMaxFile = LL_MAX_PATH;
        mOFN.lpstrFileTitle = NULL;
        mOFN.nMaxFileTitle = 0;
        mOFN.lpstrInitialDir = NULL;
        mOFN.lpstrTitle = NULL;
        mOFN.Flags = 0;                                                                 // set in open and close
        mOFN.nFileOffset = 0;
        mOFN.nFileExtension = 0;
        mOFN.lpstrDefExt = NULL;
        mOFN.lCustData = 0L;
        mOFN.lpfnHook = NULL;
        mOFN.lpTemplateName = NULL;
}

LLFilePicker::~LLFilePicker()
{
        // nothing
}

BOOL LLFilePicker::setupFilter(ELoadFilter filter)
{
        BOOL res = TRUE;
        switch (filter)
        {
        case FFLOAD_ALL:
                mOFN.lpstrFilter = L"All Files (*.*)\0*.*\0" \
                SOUND_FILTER \
                IMAGE_FILTER \
                ANIM_FILTER \
                L"\0";
                break;
        case FFLOAD_WAV:
                mOFN.lpstrFilter = SOUND_FILTER \
                        L"\0";
                break;
        case FFLOAD_IMAGE:
                mOFN.lpstrFilter = IMAGE_FILTER \
                        L"\0";
                break;
        case FFLOAD_ANIM:
                mOFN.lpstrFilter = ANIM_FILTER \
                        L"\0";
                break;
#ifdef _CORY_TESTING
        case FFLOAD_GEOMETRY:
                mOFN.lpstrFilter = GEOMETRY_FILTER \
                        L"\0";
                break;
#endif
        case FFLOAD_XML:
                mOFN.lpstrFilter = XML_FILTER \
                        L"\0";
                break;
        case FFLOAD_SLOBJECT:
                mOFN.lpstrFilter = SLOBJECT_FILTER \
                        L"\0";
                break;
        case FFLOAD_RAW:
                mOFN.lpstrFilter = RAW_FILTER \
                        L"\0";
                break;
        default:
                res = FALSE;
                break;
        }
        return res;
}

BOOL LLFilePicker::getOpenFile(ELoadFilter filter)
{
        if( mLocked )
        {
                return FALSE;
        }
        BOOL success = FALSE;
        mMultiFile = FALSE;

        // don't provide default file selection
        mFilesW[0] = '\0';

        mOFN.hwndOwner = (HWND)gViewerWindow->getPlatformWindow();
        mOFN.lpstrFile = mFilesW;
        mOFN.nMaxFile = SINGLE_FILENAME_BUFFER_SIZE;
        mOFN.Flags = OFN_HIDEREADONLY | OFN_FILEMUSTEXIST | OFN_NOCHANGEDIR ;
        mOFN.nFilterIndex = 1;

        setupFilter(filter);
        
        // Modal, so pause agent
        send_agent_pause();
        // NOTA BENE: hitting the file dialog triggers a window focus event, destroying the selection manager!!
        success = GetOpenFileName(&mOFN);
        if (success)
        {
                LLString tstr = utf16str_to_utf8str(llutf16string(mFilesW));
                memcpy(mFiles, tstr.c_str(), tstr.size()+1); /*Flawfinder: ignore*/
                mCurrentFile = mFiles;
        }
        send_agent_resume();

        // Account for the fact that the app has been stalled.
        LLFrameTimer::updateFrameTime();
        return success;
}

BOOL LLFilePicker::getMultipleOpenFiles(ELoadFilter filter)
{
        if( mLocked )
        {
                return FALSE;
        }
        BOOL success = FALSE;
        mMultiFile = FALSE;

        // don't provide default file selection
        mFilesW[0] = '\0';

        mOFN.hwndOwner = (HWND)gViewerWindow->getPlatformWindow();
        mOFN.lpstrFile = mFilesW;
        mOFN.nFilterIndex = 1;
        mOFN.nMaxFile = FILENAME_BUFFER_SIZE;
        mOFN.Flags = OFN_HIDEREADONLY | OFN_FILEMUSTEXIST | OFN_NOCHANGEDIR |
                OFN_EXPLORER | OFN_ALLOWMULTISELECT;

        setupFilter(filter);
        
        // Modal, so pause agent
        send_agent_pause();
        // NOTA BENE: hitting the file dialog triggers a window focus event, destroying the selection manager!!
        success = GetOpenFileName(&mOFN); // pauses until ok or cancel.
        if( success )
        {
                // The getopenfilename api doesn't tell us if we got more than
                // one file, so we have to test manually by checking string
                // lengths.
                if( wcslen(mOFN.lpstrFile) > mOFN.nFileOffset ) /*Flawfinder: ignore*/
                {
                        mMultiFile = FALSE;
                        mCurrentFile = mFiles;
                        LLString tstr = utf16str_to_utf8str(llutf16string(mFilesW));
                        memcpy(mFiles, tstr.c_str(), tstr.size()+1); /*Flawfinder: ignore*/

                        mCurrentFile = &mFiles[mOFN.nFileOffset];
                }
                else
                {
                        mMultiFile = TRUE;
                        mCurrentFile = 0;
                        mLocked = TRUE;
                        WCHAR* tptrw = mFilesW;
                        char* tptr = mFiles;
                        memset( mFiles, 0, FILENAME_BUFFER_SIZE );
                        while(1)
                        {
                                if (*tptrw == 0 && *(tptrw+1) == 0) // double '\0'
                                        break;
                                if (*tptrw == 0 && !mCurrentFile)
                                        mCurrentFile = tptr+1;
                                S32 tlen16,tlen8;
                                tlen16 = utf16chars_to_utf8chars(tptrw, tptr, &tlen8);
                                tptrw += tlen16;
                                tptr += tlen8;
                        }
                }
        }
        send_agent_resume();

        // Account for the fact that the app has been stalled.
        LLFrameTimer::updateFrameTime();
        return success;
}

BOOL LLFilePicker::getSaveFile(ESaveFilter filter, const char* filename)
{
        if( mLocked )
        {
                return FALSE;
        }
        BOOL success = FALSE;
        mMultiFile = FALSE;

        mOFN.lpstrFile = mFilesW;
        if (filename)
        {
                llutf16string tstring = utf8str_to_utf16str(filename);
                wcsncpy(mFilesW, tstring.c_str(), FILENAME_BUFFER_SIZE);        }       /*Flawfinder: ignore*/
        else
        {
                mFilesW[0] = '\0';
        }
        mOFN.hwndOwner = (HWND)gViewerWindow->getPlatformWindow();

        switch( filter )
        {
        case FFSAVE_ALL:
                mOFN.lpstrDefExt = NULL;
                mOFN.lpstrFilter =
                        L"All Files (*.*)\0*.*\0" \
                        L"WAV Sounds (*.wav)\0*.wav\0" \
                        L"Targa, Bitmap Images (*.tga; *.bmp)\0*.tga;*.bmp\0" \
                        L"\0";
                break;
        case FFSAVE_WAV:
                if (!filename)
                {
                        wcsncpy( mFilesW,L"untitled.wav", FILENAME_BUFFER_SIZE);        /*Flawfinder: ignore*/
                }
                mOFN.lpstrDefExt = L"wav";
                mOFN.lpstrFilter =
                        L"WAV Sounds (*.wav)\0*.wav\0" \
                        L"\0";
                break;
        case FFSAVE_TGA:
                if (!filename)
                {
                        wcsncpy( mFilesW,L"untitled.tga", FILENAME_BUFFER_SIZE);        /*Flawfinder: ignore*/
                }
                mOFN.lpstrDefExt = L"tga";
                mOFN.lpstrFilter =
                        L"Targa Images (*.tga)\0*.tga\0" \
                        L"\0";
                break;
        case FFSAVE_BMP:
                if (!filename)
                {
                        wcsncpy( mFilesW,L"untitled.bmp", FILENAME_BUFFER_SIZE);        /*Flawfinder: ignore*/
                }
                mOFN.lpstrDefExt = L"bmp";
                mOFN.lpstrFilter =
                        L"Bitmap Images (*.bmp)\0*.bmp\0" \
                        L"\0";
                break;
        case FFSAVE_AVI:
                if (!filename)
                {
                        wcsncpy( mFilesW,L"untitled.avi", FILENAME_BUFFER_SIZE);        /*Flawfinder: ignore*/
                }
                mOFN.lpstrDefExt = L"avi";
                mOFN.lpstrFilter =
                        L"AVI Movie File (*.avi)\0*.avi\0" \
                        L"\0";
                break;
        case FFSAVE_ANIM:
                if (!filename)
                {
                        wcsncpy( mFilesW,L"untitled.xaf", FILENAME_BUFFER_SIZE);        /*Flawfinder: ignore*/
                }
                mOFN.lpstrDefExt = L"xaf";
                mOFN.lpstrFilter =
                        L"XAF Anim File (*.xaf)\0*.xaf\0" \
                        L"\0";
                break;
#ifdef _CORY_TESTING
        case FFSAVE_GEOMETRY:
                if (!filename)
                {
                        wcsncpy( mFilesW,L"untitled.slg", FILENAME_BUFFER_SIZE);        /*Flawfinder: ignore*/
                }
                mOFN.lpstrDefExt = L"slg";
                mOFN.lpstrFilter =
                        L"SLG SL Geometry File (*.slg)\0*.slg\0" \
                        L"\0";
                break;
#endif
        case FFSAVE_XML:
                if (!filename)
                {
                        wcsncpy( mFilesW,L"untitled.xml", FILENAME_BUFFER_SIZE);        /*Flawfinder: ignore*/
                }

                mOFN.lpstrDefExt = L"xml";
                mOFN.lpstrFilter =
                        L"XML File (*.xml)\0*.xml\0" \
                        L"\0";
                break;
        case FFSAVE_COLLADA:
                if (!filename)
                {
                        wcsncpy( mFilesW,L"untitled.collada", FILENAME_BUFFER_SIZE);    /*Flawfinder: ignore*/
                }
                mOFN.lpstrDefExt = L"collada";
                mOFN.lpstrFilter =
                        L"COLLADA File (*.collada)\0*.collada\0" \
                        L"\0";
                break;
        case FFSAVE_RAW:
                if (!filename)
                {
                        wcsncpy( mFilesW,L"untitled.raw", FILENAME_BUFFER_SIZE);        /*Flawfinder: ignore*/
                }
                mOFN.lpstrDefExt = L"raw";
                mOFN.lpstrFilter =      RAW_FILTER \
                                                        L"\0";
                break;
        case FFSAVE_J2C:
                if (!filename)
                {
                        wcsncpy( mFilesW,L"untitled.j2c", FILENAME_BUFFER_SIZE);
                }
                mOFN.lpstrDefExt = L"j2c";
                mOFN.lpstrFilter =
                        L"Compressed Images (*.j2c)\0*.j2c\0" \
                        L"\0";
                break;
        default:
                return FALSE;
        }

 
        mOFN.nMaxFile = SINGLE_FILENAME_BUFFER_SIZE;
        mOFN.Flags = OFN_OVERWRITEPROMPT | OFN_NOCHANGEDIR | OFN_PATHMUSTEXIST;

        // Modal, so pause agent
        send_agent_pause();
        {
                // NOTA BENE: hitting the file dialog triggers a window focus event, destroying the selection manager!!
                success = GetSaveFileName(&mOFN);
                if (success)
                {
                        LLString tstr = utf16str_to_utf8str(llutf16string(mFilesW));
                        memcpy(mFiles, tstr.c_str(), tstr.size()+1);  /*Flawfinder: ignore*/
                        mCurrentFile = mFiles;
                }
                gKeyboard->resetKeys();
        }
        send_agent_resume();

        // Account for the fact that the app has been stalled.
        LLFrameTimer::updateFrameTime();
        return success;
}

const char* LLFilePicker::getFirstFile()
{
        if(mMultiFile)
        {
                buildFilename();
                return mFilename;
        }
        return mFiles;
}

const char* LLFilePicker::getNextFile()
{
        if(mMultiFile)
        {
                mCurrentFile += strlen(mCurrentFile) + 1;       /*Flawfinder: ignore*/
                if( '\0' != mCurrentFile[0] )
                {
                        buildFilename();
                        return mFilename;
                }
                else
                {
                        mLocked = FALSE;
                }
        }
        return NULL;
}

const char* LLFilePicker::getDirname()
{
        if( '\0' != mCurrentFile[0] )
        {
                return mCurrentFile;
        }
        return NULL;
}

void LLFilePicker::reset()
{
        mLocked = FALSE;
        memset( mFiles, 0, FILENAME_BUFFER_SIZE );
        memset( mFilename, 0, LL_MAX_PATH );
        mCurrentFile = mFiles;
}

void LLFilePicker::buildFilename( void )
{
        strncpy( mFilename, mFiles, LL_MAX_PATH );
        mFilename[LL_MAX_PATH-1] = '\0'; // stupid strncpy
        S32 len = strlen( mFilename );

        strncat(mFilename,gDirUtilp->getDirDelimiter().c_str(), sizeof(mFilename)-len+1);               /*Flawfinder: ignore*/
        len += strlen(gDirUtilp->getDirDelimiter().c_str());    /*Flawfinder: ignore*/

//      mFilename[len++] = '\\';
        LLString::copy( mFilename + len, mCurrentFile, LL_MAX_PATH - len );
}

#elif LL_DARWIN

LLFilePicker::LLFilePicker() 
{
        reset();

        memset(&mNavOptions, 0, sizeof(mNavOptions));
        OSStatus        error = NavGetDefaultDialogCreationOptions(&mNavOptions);
        if (error == noErr)
        {
                mNavOptions.modality = kWindowModalityAppModal;
        }
        mFileIndex = 0;
}

LLFilePicker::~LLFilePicker()
{
        // nothing
}

Boolean LLFilePicker::navOpenFilterProc(AEDesc *theItem, void *info, void *callBackUD, NavFilterModes filterMode)
{
        Boolean         result = true;
        ELoadFilter filter = *((ELoadFilter*) callBackUD);
        OSStatus        error = noErr;
        
        if (filterMode == kNavFilteringBrowserList && filter != FFLOAD_ALL && (theItem->descriptorType == typeFSRef || theItem->descriptorType == typeFSS))
        {
                // navInfo is only valid for typeFSRef and typeFSS
                NavFileOrFolderInfo     *navInfo = (NavFileOrFolderInfo*) info;
                if (!navInfo->isFolder)
                {
                        AEDesc  desc;
                        error = AECoerceDesc(theItem, typeFSRef, &desc);
                        if (error == noErr)
                        {
                                FSRef   fileRef;
                                error = AEGetDescData(&desc, &fileRef, sizeof(fileRef));
                                if (error == noErr)
                                {
                                        LSItemInfoRecord        fileInfo;
                                        error = LSCopyItemInfoForRef(&fileRef, kLSRequestExtension | kLSRequestTypeCreator, &fileInfo);
                                        if (error == noErr)
                                        {
                                                if (filter == FFLOAD_IMAGE)
                                                {
                                                        if (fileInfo.filetype != 'JPEG' && fileInfo.filetype != 'JPG ' && 
                                                                fileInfo.filetype != 'BMP ' && fileInfo.filetype != 'TGA ' &&
                                                                fileInfo.filetype != 'BMPf' && fileInfo.filetype != 'TPIC' &&
                                                                fileInfo.filetype != 'PNG ' &&
                                                                (fileInfo.extension && (CFStringCompare(fileInfo.extension, CFSTR("jpeg"), kCFCompareCaseInsensitive) != kCFCompareEqualTo &&
                                                                CFStringCompare(fileInfo.extension, CFSTR("jpg"), kCFCompareCaseInsensitive) != kCFCompareEqualTo &&
                                                                CFStringCompare(fileInfo.extension, CFSTR("bmp"), kCFCompareCaseInsensitive) != kCFCompareEqualTo &&
                                                                CFStringCompare(fileInfo.extension, CFSTR("tga"), kCFCompareCaseInsensitive) != kCFCompareEqualTo &&
                                                                CFStringCompare(fileInfo.extension, CFSTR("png"), kCFCompareCaseInsensitive) != kCFCompareEqualTo))
                                                                )
                                                        {
                                                                result = false;
                                                        }
                                                }
                                                else if (filter == FFLOAD_WAV)
                                                {
                                                        if (fileInfo.filetype != 'WAVE' && fileInfo.filetype != 'WAV ' && 
                                                                (fileInfo.extension && (CFStringCompare(fileInfo.extension, CFSTR("wave"), kCFCompareCaseInsensitive) != kCFCompareEqualTo && 
                                                                CFStringCompare(fileInfo.extension, CFSTR("wav"), kCFCompareCaseInsensitive) != kCFCompareEqualTo))
                                                        )
                                                        {
                                                                result = false;
                                                        }
                                                }
                                                else if (filter == FFLOAD_ANIM)
                                                {
                                                        if (fileInfo.filetype != 'BVH ' && 
                                                                (fileInfo.extension && (CFStringCompare(fileInfo.extension, CFSTR("bvh"), kCFCompareCaseInsensitive) != kCFCompareEqualTo))
                                                        )
                                                        {
                                                                result = false;
                                                        }
                                                }
#ifdef _CORY_TESTING
                                                else if (filter == FFLOAD_GEOMETRY)
                                                {
                                                        if (fileInfo.filetype != 'SLG ' && 
                                                                (fileInfo.extension && (CFStringCompare(fileInfo.extension, CFSTR("slg"), kCFCompareCaseInsensitive) != kCFCompareEqualTo))
                                                        )
                                                        {
                                                                result = false;
                                                        }
                                                }
#endif
                                                else if (filter == FFLOAD_SLOBJECT)
                                                {
                                                        llwarns << "*** navOpenFilterProc: FFLOAD_SLOBJECT NOT IMPLEMENTED ***" << llendl;
                                                }
                                                else if (filter == FFLOAD_RAW)
                                                {
                                                        if (fileInfo.filetype != '\?\?\?\?' && 
                                                                (fileInfo.extension && (CFStringCompare(fileInfo.extension, CFSTR("raw"), kCFCompareCaseInsensitive) != kCFCompareEqualTo))
                                                        )
                                                        {
                                                                result = false;
                                                        }
                                                }
                                                
                                                if (fileInfo.extension)
                                                {
                                                        CFRelease(fileInfo.extension);
                                                }
                                        }
                                }
                                AEDisposeDesc(&desc);
                        }
                }
        }
        return result;
}

OSStatus        LLFilePicker::doNavChooseDialog(ELoadFilter filter)
{
        OSStatus                error = noErr;
        NavDialogRef    navRef = NULL;
        NavReplyRecord  navReply;

        memset(&navReply, 0, sizeof(navReply));
        mFiles[0] = '\0';
        mFileVector.clear();
        
        // NOTE: we are passing the address of a local variable here.  
        //   This is fine, because the object this call creates will exist for less than the lifetime of this function.
        //   (It is destroyed by NavDialogDispose() below.)
        error = NavCreateChooseFileDialog(&mNavOptions, NULL, NULL, NULL, navOpenFilterProc, (void*)(&filter), &navRef);

        gViewerWindow->mWindow->beforeDialog();

        if (error == noErr)
                error = NavDialogRun(navRef);

        gViewerWindow->mWindow->afterDialog();

        if (error == noErr)
                error = NavDialogGetReply(navRef, &navReply);

        if (navRef)
                NavDialogDispose(navRef);

        if (error == noErr && navReply.validRecord)
        {
                SInt32  count = 0;
                SInt32  index;
                
                // AE indexes are 1 based...
                error = AECountItems(&navReply.selection, &count);
                for (index = 1; index <= count; index++)
                {
                        FSRef           fsRef;
                        AEKeyword       theAEKeyword;
                        DescType        typeCode;
                        Size            actualSize = 0;
                        char            path[MAX_PATH]; /*Flawfinder: ignore*/
                        
                        memset(&fsRef, 0, sizeof(fsRef));
                        error = AEGetNthPtr(&navReply.selection, index, typeFSRef, &theAEKeyword, &typeCode, &fsRef, sizeof(fsRef), &actualSize);
                        
                        if (error == noErr)
                                error = FSRefMakePath(&fsRef, (UInt8*) path, sizeof(path));
                        
                        if (error == noErr)
                                mFileVector.push_back(LLString(path));
                }
        }
        
        return error;
}

OSStatus        LLFilePicker::doNavSaveDialog(ESaveFilter filter, const char* filename)
{
        OSStatus                error = noErr;
        NavDialogRef    navRef = NULL;
        NavReplyRecord  navReply;
        
        memset(&navReply, 0, sizeof(navReply));
        mFiles[0] = '\0';
        mFileVector.clear();
        
        // Setup the type, creator, and extension
        OSType          type, creator;
        CFStringRef     extension = NULL;
        switch (filter)
        {
                case FFSAVE_WAV:
                        type = 'WAVE';
                        creator = 'TVOD';
                        extension = CFSTR(".wav");
                        break;
                
                case FFSAVE_TGA:
                        type = 'TPIC';
                        creator = 'prvw';
                        extension = CFSTR(".tga");
                        break;
                
                case FFSAVE_BMP:
                        type = 'BMPf';
                        creator = 'prvw';
                        extension = CFSTR(".bmp");
                        break;
                
                case FFSAVE_AVI:
                        type = '\?\?\?\?';
                        creator = '\?\?\?\?';
                        extension = CFSTR(".mov");
                        break;

                case FFSAVE_ANIM:
                        type = '\?\?\?\?';
                        creator = '\?\?\?\?';
                        extension = CFSTR(".xaf");
                        break;

#ifdef _CORY_TESTING
                case FFSAVE_GEOMETRY:
                        type = '\?\?\?\?';
                        creator = '\?\?\?\?';
                        extension = CFSTR(".slg");
                        break;
#endif          
                case FFSAVE_RAW:
                        type = '\?\?\?\?';
                        creator = '\?\?\?\?';
                        extension = CFSTR(".raw");
                        break;

                case FFSAVE_J2C:
                        type = '\?\?\?\?';
                        creator = 'prvw';
                        extension = CFSTR(".j2c");
                        break;
                
                case FFSAVE_ALL:
                default:
                        type = '\?\?\?\?';
                        creator = '\?\?\?\?';
                        extension = CFSTR("");
                        break;
        }
        
        // Create the dialog
        error = NavCreatePutFileDialog(&mNavOptions, type, creator, NULL, NULL, &navRef);
        if (error == noErr)
        {
                CFStringRef     nameString = NULL;
                bool            hasExtension = true;
                
                // Create a CFString of the initial file name
                if (filename)
                        nameString = CFStringCreateWithCString(NULL, filename, kCFStringEncodingUTF8);
                else
                        nameString = CFSTR("Untitled");
                        
                // Add the extension if one was not provided
                if (nameString && !CFStringHasSuffix(nameString, extension))
                {
                        CFStringRef     tempString = nameString;
                        hasExtension = false;
                        nameString = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@%@"), tempString, extension);
                        CFRelease(tempString);
                }
                
                // Set the name in the dialog
                if (nameString)
                {
                        error = NavDialogSetSaveFileName(navRef, nameString);
                        CFRelease(nameString);
                }
                else
                {
                        error = paramErr;
                }
        }
        
        gViewerWindow->mWindow->beforeDialog();

        // Run the dialog
        if (error == noErr)
                error = NavDialogRun(navRef);

        gViewerWindow->mWindow->afterDialog();

        if (error == noErr)
                error = NavDialogGetReply(navRef, &navReply);
        
        if (navRef)
                NavDialogDispose(navRef);

        if (error == noErr && navReply.validRecord)
        {
                SInt32  count = 0;
                
                // AE indexes are 1 based...
                error = AECountItems(&navReply.selection, &count);
                if (count > 0)
                {
                        // Get the FSRef to the containing folder
                        FSRef           fsRef;
                        AEKeyword       theAEKeyword;
                        DescType        typeCode;
                        Size            actualSize = 0;
                        
                        memset(&fsRef, 0, sizeof(fsRef));
                        error = AEGetNthPtr(&navReply.selection, 1, typeFSRef, &theAEKeyword, &typeCode, &fsRef, sizeof(fsRef), &actualSize);
                        
                        if (error == noErr)
                        {
                                char    path[PATH_MAX];         /*Flawfinder: ignore*/
                                char    newFileName[SINGLE_FILENAME_BUFFER_SIZE];       /*Flawfinder: ignore*/
                                
                                error = FSRefMakePath(&fsRef, (UInt8*)path, PATH_MAX);
                                if (error == noErr)
                                {
                                        if (CFStringGetCString(navReply.saveFileName, newFileName, sizeof(newFileName), kCFStringEncodingUTF8))
                                        {
                                                mFileVector.push_back(LLString(path) + LLString("/") +  LLString(newFileName));
                                        }
                                        else
                                        {
                                                error = paramErr;
                                        }
                                }
                                else
                                {
                                        error = paramErr;
                                }
                        }
                }
        }
        
        return error;
}

BOOL LLFilePicker::getOpenFile(ELoadFilter filter)
{
        if( mLocked ) return FALSE;
        mMultiFile = FALSE;
        BOOL success = FALSE;

        OSStatus        error = noErr;
        
        mFileVector.clear();
        mNavOptions.optionFlags &= ~kNavAllowMultipleFiles;
        // Modal, so pause agent
        send_agent_pause();
        {
                error = doNavChooseDialog(filter);
        }
        send_agent_resume();
        if (error == noErr)
        {
                if (mFileVector.size())
                        success = true;
        }

        // Account for the fact that the app has been stalled.
        LLFrameTimer::updateFrameTime();
        return success;
}

BOOL LLFilePicker::getMultipleOpenFiles(ELoadFilter filter)
{
        if( mLocked ) return FALSE;
        mMultiFile = TRUE;
        BOOL success = FALSE;

        OSStatus        error = noErr;
        
        mFileVector.clear();
        mNavOptions.optionFlags |= kNavAllowMultipleFiles;
        // Modal, so pause agent
        send_agent_pause();
        {
                error = doNavChooseDialog(filter);
        }
        send_agent_resume();
        if (error == noErr)
        {
                if (mFileVector.size())
                        success = true;
                if (mFileVector.size() > 1)
                        mLocked = TRUE;
        }

        // Account for the fact that the app has been stalled.
        LLFrameTimer::updateFrameTime();
        return success;
}

void LLFilePicker::getFilePath(SInt32 index)
{
        mFiles[0] = 0;
        if (mFileVector.size())
        {
                strncpy(mFiles, mFileVector[index].c_str(), sizeof(mFiles));
                mFiles[sizeof(mFiles)-1] = '\0'; // stupid strncpy
        }
}

void LLFilePicker::getFileName(SInt32 index)
{
        mFilename[0] = 0;
        if (mFileVector.size())
        {
                char    *start = strrchr(mFileVector[index].c_str(), '/');
                if (start && ((start + 1 - mFileVector[index].c_str()) < (mFileVector[index].size())))
                {
                        strncpy(mFilename, start + 1, sizeof(mFilename));
                        mFilename[sizeof(mFilename)-1] = '\0';// stupid strncpy
                }
        }
}

BOOL LLFilePicker::getSaveFile(ESaveFilter filter, const char* filename)
{
        if( mLocked ) return FALSE;
        BOOL success = FALSE;
        OSStatus        error = noErr;

        mFileVector.clear();
        mMultiFile = FALSE;
        mNavOptions.optionFlags &= ~kNavAllowMultipleFiles;

        // Modal, so pause agent
        send_agent_pause();
        {
                error = doNavSaveDialog(filter, filename);
        }
        send_agent_resume();
        if (error == noErr)
        {
                if (mFileVector.size())
                        success = true;
        }

        // Account for the fact that the app has been stalled.
        LLFrameTimer::updateFrameTime();
        return success;
}

const char* LLFilePicker::getFirstFile()
{
        mFileIndex = 0;
        getFilePath(mFileIndex);
        return mFiles;
}

const char* LLFilePicker::getNextFile()
{
        if(mMultiFile)
        {
                mFileIndex++;
                if (mFileIndex < mFileVector.size())
                {
                        getFilePath(mFileIndex);
                        return mFiles;
                }
                else
                {
                        mLocked = FALSE;
                }
        }
        return NULL;
}

const char* LLFilePicker::getDirname()
{
        if (mFileIndex < mFileVector.size())
        {
                getFileName(mFileIndex);
                return mFilename;
        }
        return NULL;
}

void LLFilePicker::reset()
{
        mLocked = FALSE;
        memset( mFiles, 0, FILENAME_BUFFER_SIZE );
        memset( mFilename, 0, LL_MAX_PATH );
        mCurrentFile = mFiles;

        mFileIndex = 0;
        mFileVector.clear();
}

#elif LL_LINUX

# if LL_GTK
// This caches the previously-accessed path for a given context of the file
// chooser, for user convenience.
std::map <std::string, std::string> LLFilePicker::sContextToPathMap;

LLFilePicker::LLFilePicker() 
{
        reset();
}

LLFilePicker::~LLFilePicker()
{
}


static void add_to_sfs(gpointer data, gpointer user_data)
{
        StoreFilenamesStruct *sfs = (StoreFilenamesStruct*) user_data;
        gchar* filename_utf8 = g_filename_to_utf8((gchar*)data,
                                                  -1, NULL,
                                                  NULL,
                                                  NULL);
        sfs->fileVector.push_back(LLString(filename_utf8));
        g_free(filename_utf8);
}


void chooser_responder(GtkWidget *widget,
                       gint       response,
                       gpointer user_data) {
        StoreFilenamesStruct *sfs = (StoreFilenamesStruct*) user_data;

        lldebugs << "GTK DIALOG RESPONSE " << response << llendl;

        if (response == GTK_RESPONSE_ACCEPT)
        {
                GSList *file_list = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(widget));
                g_slist_foreach(file_list, (GFunc)add_to_sfs, sfs);
                g_slist_foreach(file_list, (GFunc)g_free, NULL);
                g_slist_free (file_list);
        }

        // set the default path for this usage context.
        LLFilePicker::sContextToPathMap[sfs->contextName] =
                gtk_file_chooser_get_current_folder(GTK_FILE_CHOOSER(widget));

        gtk_widget_destroy(widget);
        gtk_main_quit();
}


GtkWindow* LLFilePicker::buildFilePicker(bool is_save, bool is_folder,
                                         std::string context)
{
        if (ll_try_gtk_init() &&
            ! gViewerWindow->getWindow()->getFullscreen())
        {
                GtkWidget *win = NULL;
                GtkFileChooserAction pickertype =
                        is_save?
                        (is_folder?
                         GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER :
                         GTK_FILE_CHOOSER_ACTION_SAVE) :
                        (is_folder?
                         GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER :
                         GTK_FILE_CHOOSER_ACTION_OPEN);

                win = gtk_file_chooser_dialog_new(NULL, NULL,
                                                  pickertype,
                                                  GTK_STOCK_CANCEL,
                                                   GTK_RESPONSE_CANCEL,
                                                  is_folder ?
                                                  GTK_STOCK_APPLY :
                                                  (is_save ? 
                                                   GTK_STOCK_SAVE :
                                                   GTK_STOCK_OPEN),
                                                   GTK_RESPONSE_ACCEPT,
                                                  (gchar *)NULL);
                mStoreFilenames.win = win;
                mStoreFilenames.contextName = context;

                // get the default path for this usage context if it's been
                // seen before.
                std::map<std::string,std::string>::iterator
                        this_path = sContextToPathMap.find(context);
                if (this_path != sContextToPathMap.end())
                {
                        gtk_file_chooser_set_current_folder
                                (GTK_FILE_CHOOSER(win),
                                 this_path->second.c_str());
                }

#  if LL_X11
                // Make GTK tell the window manager to associate this
                // dialog with our non-GTK raw X11 window, which should try
                // to keep it on top etc.
                Window XWindowID = get_SDL_XWindowID();
                if (None != XWindowID)
                {
                        gtk_widget_realize(GTK_WIDGET(win)); // so we can get its gdkwin
                        GdkWindow *gdkwin = gdk_window_foreign_new(XWindowID);
                        gdk_window_set_transient_for(GTK_WIDGET(win)->window,
                                                     gdkwin);
                }
                else
                {
                        llwarns << "Hmm, couldn't get xwid to use for transient." << llendl;
                }
#  endif //LL_X11

                g_signal_connect (GTK_FILE_CHOOSER(win),
                                  "response",
                                  G_CALLBACK(chooser_responder),
                                  &mStoreFilenames);

                gtk_window_set_modal(GTK_WINDOW(win), TRUE);

                /* GTK 2.6: if (is_folder)
                        gtk_file_chooser_set_show_hidden(GTK_FILE_CHOOSER(win),
                        TRUE); */

                return GTK_WINDOW(win);
        }
        else
        {
                return NULL;
        }
}

static void add_common_filters_to_gtkchooser(GtkFileFilter *gfilter,
                                             GtkWindow *picker,
                                             std::string filtername)
{       
        gtk_file_filter_set_name(gfilter, filtername.c_str());
        gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(picker),
                                    gfilter);
        GtkFileFilter *allfilter = gtk_file_filter_new();
        gtk_file_filter_add_pattern(allfilter, "*");
        gtk_file_filter_set_name(allfilter, "All Files");
        gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(picker), allfilter);
        gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(picker), gfilter);
}

static std::string add_simple_pattern_filter_to_gtkchooser(GtkWindow *picker,
                                                           std::string pattern,
                                                           std::string filtername)
{
        GtkFileFilter *gfilter = gtk_file_filter_new();
        gtk_file_filter_add_pattern(gfilter, pattern.c_str());
        add_common_filters_to_gtkchooser(gfilter, picker, filtername);
        return filtername;
}

static std::string add_simple_mime_filter_to_gtkchooser(GtkWindow *picker,
                                                        std::string mime,
                                                        std::string filtername)
{
        GtkFileFilter *gfilter = gtk_file_filter_new();
        gtk_file_filter_add_mime_type(gfilter, mime.c_str());
        add_common_filters_to_gtkchooser(gfilter, picker, filtername);
        return filtername;
}

static std::string add_wav_filter_to_gtkchooser(GtkWindow *picker)
{
        return add_simple_mime_filter_to_gtkchooser(picker,  "audio/x-wav",
                                                    "Sounds (*.wav)");
}

static std::string add_bvh_filter_to_gtkchooser(GtkWindow *picker)
{
        return add_simple_pattern_filter_to_gtkchooser(picker,  "*.bvh",
                                                       "Animations (*.bvh)");
}

static std::string add_imageload_filter_to_gtkchooser(GtkWindow *picker)
{
        GtkFileFilter *gfilter = gtk_file_filter_new();
        gtk_file_filter_add_pattern(gfilter, "*.tga");
        gtk_file_filter_add_mime_type(gfilter, "image/jpeg");
        gtk_file_filter_add_mime_type(gfilter, "image/png");
        gtk_file_filter_add_mime_type(gfilter, "image/bmp");
        std::string filtername = "Images (*.tga; *.bmp; *.jpg; *.png)";
        add_common_filters_to_gtkchooser(gfilter, picker, filtername);
        return filtername;
}


BOOL LLFilePicker::getSaveFile( ESaveFilter filter, const char* filename )
{
        BOOL rtn = FALSE;

        gViewerWindow->mWindow->beforeDialog();

        reset();
        GtkWindow* picker = buildFilePicker(true, false, "savefile");

        if (picker)
        {
                std::string suggest_name = "untitled";
                std::string suggest_ext = "";
                std::string caption = "Save ";
                switch (filter)
                {
                case FFSAVE_WAV:
                        caption += add_wav_filter_to_gtkchooser(picker);
                        suggest_ext = ".wav";
                        break;
                case FFSAVE_TGA:
                        caption += add_simple_pattern_filter_to_gtkchooser
                                (picker, "*.tga", "Targa Images (*.tga)");
                        suggest_ext = ".tga";
                        break;
                case FFSAVE_BMP:
                        caption += add_simple_mime_filter_to_gtkchooser
                                (picker, "image/bmp", "Bitmap Images (*.bmp)");
                        suggest_ext = ".bmp";
                        break;
                case FFSAVE_AVI:
                        caption += add_simple_mime_filter_to_gtkchooser
                                (picker, "video/x-msvideo",
                                 "AVI Movie File (*.avi)");
                        suggest_ext = ".avi";
                        break;
                case FFSAVE_ANIM:
                        caption += add_simple_pattern_filter_to_gtkchooser
                                (picker, "*.xaf", "XAF Anim File (*.xaf)");
                        suggest_ext = ".xaf";
                        break;
                case FFSAVE_XML:
                        caption += add_simple_pattern_filter_to_gtkchooser
                                (picker, "*.xml", "XML File (*.xml)");
                        suggest_ext = ".xml";
                        break;
                case FFSAVE_RAW:
                        caption += add_simple_pattern_filter_to_gtkchooser
                                (picker, "*.raw", "RAW File (*.raw)");
                        suggest_ext = ".raw";
                        break;
                case FFSAVE_J2C:
                        caption += add_simple_mime_filter_to_gtkchooser
                                (picker, "images/jp2",
                                 "Compressed Images (*.j2c)");
                        suggest_ext = ".j2c";
                        break;
                default:;
                        break;
                }
                
                gtk_window_set_title(GTK_WINDOW(picker), caption.c_str());

                if (!filename)
                {
                        suggest_name += suggest_ext;

                        gtk_file_chooser_set_current_name
                                (GTK_FILE_CHOOSER(picker),
                                 suggest_name.c_str());
                }
                else
                {
                        gtk_file_chooser_set_current_name
                                (GTK_FILE_CHOOSER(picker), filename);
                }

                gtk_widget_show_all(GTK_WIDGET(picker));
                gtk_main();

                rtn = (mStoreFilenames.fileVector.size() == 1);
        }

        gViewerWindow->mWindow->afterDialog();

        return rtn;
}

BOOL LLFilePicker::getOpenFile( ELoadFilter filter )
{
        BOOL rtn = FALSE;

        gViewerWindow->mWindow->beforeDialog();

        reset();
        GtkWindow* picker = buildFilePicker(false, false, "openfile");

        if (picker)
        {
                std::string caption = "Load ";
                std::string filtername = "";
                switch (filter)
                {
                case FFLOAD_WAV:
                        filtername = add_wav_filter_to_gtkchooser(picker);
                        break;
                case FFLOAD_ANIM:
                        filtername = add_bvh_filter_to_gtkchooser(picker);
                        break;
                case FFLOAD_IMAGE:
                        filtername = add_imageload_filter_to_gtkchooser(picker);
                        break;
                default:;
                        break;
                }

                caption += filtername;
                
                gtk_window_set_title(GTK_WINDOW(picker), caption.c_str());

                gtk_widget_show_all(GTK_WIDGET(picker));
                gtk_main();

                rtn = (mStoreFilenames.fileVector.size() == 1);
        }

        gViewerWindow->mWindow->afterDialog();

        return rtn;
}

BOOL LLFilePicker::getMultipleOpenFiles( ELoadFilter filter )
{
        BOOL rtn = FALSE;

        gViewerWindow->mWindow->beforeDialog();

        reset();
        GtkWindow* picker = buildFilePicker(false, false, "openfile");

        if (picker)
        {
                gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER(picker),
                                                      TRUE);

                gtk_window_set_title(GTK_WINDOW(picker), "Load Files");

                gtk_widget_show_all(GTK_WIDGET(picker));
                gtk_main();
                rtn = !mStoreFilenames.fileVector.empty();
        }

        gViewerWindow->mWindow->afterDialog();

        return rtn;
}

const char* LLFilePicker::getFirstFile()
{
        mNextFileIndex = 0;
        return getNextFile();
}

const char* LLFilePicker::getNextFile()
{
        if (mStoreFilenames.fileVector.size() > mNextFileIndex)
                return mStoreFilenames.fileVector[mNextFileIndex++].c_str();
        else
                return NULL;
}

const char* LLFilePicker::getDirname()
{
        // getDirname is badly named... it really means getBasename.
        S32 index = mNextFileIndex - 1; // want index before the 'next' cursor
        if (index >= 0 && index < (S32)mStoreFilenames.fileVector.size())
        {
                // we do this using C strings so we don't have to
                // convert a LLString/std::string character offset into a
                // byte-offset for the return (which is a C string anyway).
                const char* dirsep = gDirUtilp->getDirDelimiter().c_str();
                const char* fullpath = mStoreFilenames.fileVector[index].c_str();
                const char* finalpart = NULL;
                const char* thispart = fullpath;
                // (Hmm, is the strstr of dirsep UTF-8-correct?  Yes, reckon.)
                // Walk through the string looking for the final dirsep, i.e. /
                do
                {
                        thispart = strstr(thispart, dirsep);
                        if (NULL != thispart)
                                finalpart = thispart = &thispart[1];
                }
                while (NULL != thispart);
                return finalpart;
        }
        else
                return NULL;
}

void LLFilePicker::reset()
{
        mNextFileIndex = 0;
        mStoreFilenames.win = NULL;
        mStoreFilenames.fileVector.clear();
}

# else // LL_GTK

// Hacky stubs designed to facilitate fake getSaveFile and getOpenFile with
// static results, when we don't have a real filepicker.

static LLString hackyfilename;

LLFilePicker::LLFilePicker() 
{
        reset();
}

LLFilePicker::~LLFilePicker()
{
}

BOOL LLFilePicker::getSaveFile( ESaveFilter filter, const char* filename )
{
        llinfos << "getSaveFile suggested filename is [" << filename
                << "]" << llendl;
        if (filename && filename[0])
        {
                hackyfilename.assign(gDirUtilp->getLindenUserDir());
                hackyfilename += gDirUtilp->getDirDelimiter();
                hackyfilename += filename;
                return TRUE;
        }
        hackyfilename.clear();
        return FALSE;
}

BOOL LLFilePicker::getOpenFile( ELoadFilter filter )
{
        // HACK: Static filenames for 'open' until we implement filepicker
        hackyfilename.assign(gDirUtilp->getLindenUserDir());
        hackyfilename += gDirUtilp->getDirDelimiter();
        hackyfilename += "upload";
        switch (filter)
        {
        case FFLOAD_WAV: hackyfilename += ".wav"; break;
        case FFLOAD_IMAGE: hackyfilename += ".tga"; break;
        case FFLOAD_ANIM: hackyfilename += ".bvh"; break;
        default: break;
        }
        llinfos << "getOpenFile: Will try to open file: " << hackyfilename
                << llendl;
        return TRUE;
}

BOOL LLFilePicker::getMultipleOpenFiles( ELoadFilter filter )
{
        hackyfilename.clear();
        return FALSE;
}

const char* LLFilePicker::getFirstFile()
{
        if (!hackyfilename.empty())
        {
                return hackyfilename.c_str();
        }
        return NULL;
}

const char* LLFilePicker::getNextFile()
{
        hackyfilename.clear();
        return NULL;
}

const char* LLFilePicker::getDirname()
{
        return NULL;
}

void LLFilePicker::reset()
{
}
#endif // LL_GTK

#else // not implemented

LLFilePicker::LLFilePicker() 
{
        reset();
}

LLFilePicker::~LLFilePicker()
{
}

BOOL LLFilePicker::getSaveFile( ESaveFilter filter, const char* filename )
{
        return FALSE;
}

BOOL LLFilePicker::getOpenFile( ELoadFilter filter )
{
        return FALSE;
}

BOOL LLFilePicker::getMultipleOpenFiles( ELoadFilter filter )
{
        return FALSE;
}

const char* LLFilePicker::getFirstFile()
{
        return NULL;
}

const char* LLFilePicker::getNextFile()
{
        return NULL;
}

const char* LLFilePicker::getDirname()
{
        return NULL;
}

void LLFilePicker::reset()
{
}

#endif

---