/*

 * Copyright (C) 2005, 2006, 2007 Apple Inc. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1.  Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer. 

 * 2.  Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

 *     its contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission. 

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef __LP64__

#import "WebNetscapePluginPackage.h"

#import "WebKitLogging.h"

#import "WebKitNSStringExtras.h"

#import "WebNSObjectExtras.h"

#import "WebNetscapeDeprecatedFunctions.h"

#import <JavaScriptCore/npruntime_impl.h>

#ifdef SUPPORT_CFM

typedef void (* FunctionPointer)(void);

typedef void (* TransitionVector)(void);

static FunctionPointer functionPointerForTVector(TransitionVector);

static TransitionVector tVectorForFunctionPointer(FunctionPointer);

#endif

#define PluginNameOrDescriptionStringNumber     126

#define MIMEDescriptionStringNumber             127

#define MIMEListStringStringNumber              128

#define RealPlayerAppIndentifier                @"com.RealNetworks.RealOne Player"

#define RealPlayerPluginFilename                @"RealPlayer Plugin"

@interface WebNetscapePluginPackage (Internal)

- (void)_unloadWithShutdown:(BOOL)shutdown;

@end

@implementation WebNetscapePluginPackage

#ifndef __LP64__

+ (void)initialize

{

    // The Shockwave plugin requires a valid file in CurApRefNum.

    // But it doesn't seem to matter what file it is.

    // If we're called inside a Cocoa application which won't have a

    // CurApRefNum, we set it to point to the system resource file.

    // Call CurResFile before testing the result of WebLMGetCurApRefNum.

    // If we are called before the bundle resource map has been opened

    // for a Carbon application (or a Cocoa app with Resource Manager

    // resources) we *do not* want to set CurApRefNum to point at the

    // system resource file. CurResFile triggers Resource Manager lazy

    // initialization, and will open the bundle resource map as necessary.

    CurResFile();

    if (WebLMGetCurApRefNum() == -1) {

        // To get the refNum for the system resource file, we have to do

        // UseResFile(kSystemResFile) and then look at CurResFile().

        short savedCurResFile = CurResFile();

        UseResFile(kSystemResFile);

        WebLMSetCurApRefNum(CurResFile());

        UseResFile(savedCurResFile);

    }

}

#endif

- (ResFileRefNum)openResourceFile

{

#ifdef SUPPORT_CFM

    if (!isBundle) {

        FSRef fref;

        OSErr err = FSPathMakeRef((const UInt8 *)[path fileSystemRepresentation], &fref, NULL);

        if (err != noErr)

            return -1;

        return FSOpenResFile(&fref, fsRdPerm);

    }

#endif

    return CFBundleOpenBundleResourceMap(cfBundle);

}

- (void)closeResourceFile:(ResFileRefNum)resRef

{

#ifdef SUPPORT_CFM

    if (!isBundle) {

        CloseResFile(resRef);

        return;

    }

#endif

    CFBundleCloseBundleResourceMap(cfBundle, resRef);

}

- (NSString *)stringForStringListID:(SInt16)stringListID andIndex:(SInt16)index

{

    // Get resource, and dereference the handle.

    Handle stringHandle = Get1Resource('STR#', stringListID);

    if (stringHandle == NULL) {

        return nil;

    }

    unsigned char *p = (unsigned char *)*stringHandle;

    if (!p)

        return nil;

    // Check the index against the length of the string list, then skip the length.

    if (index < 1 || index > *(SInt16 *)p)

        return nil;

    p += sizeof(SInt16);

    // Skip any strings that come before the one we are looking for.

    while (--index)

        p += 1 + *p;

    // Convert the one we found into an NSString.

    return [[[NSString alloc] initWithBytes:(p + 1) length:*p encoding:[NSString _web_encodingForResource:stringHandle]] autorelease];

}

- (BOOL)getPluginInfoFromResources

{

    SInt16 resRef = [self openResourceFile];

    if (resRef == -1)

        return NO;

    UseResFile(resRef);

    if (ResError() != noErr)

        return NO;

    NSString *MIME, *extensionsList, *description;

    NSArray *extensions;

    unsigned i;

    NSMutableDictionary *MIMEToExtensionsDictionary = [NSMutableDictionary dictionary];

    NSMutableDictionary *MIMEToDescriptionDictionary = [NSMutableDictionary dictionary];

    for (i=1; 1; i+=2) {

        MIME = [[self stringForStringListID:MIMEListStringStringNumber

                                   andIndex:i] lowercaseString];

        if (!MIME)

            break;

        extensionsList = [[self stringForStringListID:MIMEListStringStringNumber andIndex:i+1] lowercaseString];

        if (extensionsList) {

            extensions = [extensionsList componentsSeparatedByString:@","];

            [MIMEToExtensionsDictionary setObject:extensions forKey:MIME];

        } else

            // DRM and WMP claim MIMEs without extensions. Use a @"" extension in this case.

            [MIMEToExtensionsDictionary setObject:[NSArray arrayWithObject:@""] forKey:MIME];

        description = [self stringForStringListID:MIMEDescriptionStringNumber

                                         andIndex:[MIMEToExtensionsDictionary count]];

        if (description)

            [MIMEToDescriptionDictionary setObject:description forKey:MIME];

        else

            [MIMEToDescriptionDictionary setObject:@"" forKey:MIME];

    }

    [self setMIMEToDescriptionDictionary:MIMEToDescriptionDictionary];

    [self setMIMEToExtensionsDictionary:MIMEToExtensionsDictionary];

    NSString *filename = [self filename];

    description = [self stringForStringListID:PluginNameOrDescriptionStringNumber andIndex:1];

    if (!description)

        description = filename;

    [self setPluginDescription:description];

    NSString *theName = [self stringForStringListID:PluginNameOrDescriptionStringNumber andIndex:2];

    if (!theName)

        theName = filename;

    [self setName:theName];

    [self closeResourceFile:resRef];

    return YES;

}

- (BOOL)_initWithPath:(NSString *)pluginPath

{

    resourceRef = -1;

    OSType type = 0;

    if (bundle) {

        // Bundle

        CFBundleGetPackageInfo(cfBundle, &type, NULL);

#ifdef SUPPORT_CFM

        isBundle = YES;

#endif

    } else {

#ifdef SUPPORT_CFM

        // Single-file plug-in with resource fork

        type = [[[NSFileManager defaultManager] fileAttributesAtPath:path traverseLink:YES] fileHFSTypeCode];

        isBundle = NO;

        isCFM = YES;

#else

        return NO;

#endif

    }

    if (type != FOUR_CHAR_CODE('BRPL'))

        return NO;

    // Check if the executable is Mach-O or CFM.

    if (bundle) {

        NSFileHandle *executableFile = [NSFileHandle fileHandleForReadingAtPath:[bundle executablePath]];

        NSData *data = [executableFile readDataOfLength:512];

        [executableFile closeFile];

        // Check the length of the data before calling memcmp. We think this fixes 3782543.

        if (data == nil || [data length] < 8)

            return NO;

        BOOL hasCFMHeader = memcmp([data bytes], "Joy!peff", 8) == 0;

#ifdef SUPPORT_CFM

        isCFM = hasCFMHeader;

#else

        if (hasCFMHeader)

            return NO;

#endif

        if (![self isNativeLibraryData:data])

            return NO;

    }

    if (![self getPluginInfoFromPLists] && ![self getPluginInfoFromResources])

        return NO;

    return YES;

}

- (id)initWithPath:(NSString *)pluginPath

{

    if (!(self = [super initWithPath:pluginPath]))

        return nil;

    // Initializing a plugin package can cause it to be loaded.  If there was an error initializing the plugin package,

    // ensure that it is unloaded before deallocating it (WebBasePluginPackage requires & asserts this).

    if (![self _initWithPath:pluginPath]) {

        [self _unloadWithShutdown:YES];

        [self release];

        return nil;

    }

    return self;

}

- (WebExecutableType)executableType

{

#ifdef SUPPORT_CFM

    if (isCFM)

        return WebCFMExecutableType;

#endif

    return WebMachOExecutableType;

}

- (void)launchRealPlayer

{

    CFURLRef appURL = NULL;

    OSStatus error = LSFindApplicationForInfo(kLSUnknownCreator, (CFStringRef)RealPlayerAppIndentifier, NULL, NULL, &appURL);

    if (!error) {

        LSLaunchURLSpec URLSpec;

        bzero(&URLSpec, sizeof(URLSpec));

        URLSpec.launchFlags = kLSLaunchDefaults | kLSLaunchDontSwitch;

        URLSpec.appURL = appURL;

        LSOpenFromURLSpec(&URLSpec, NULL);

        CFRelease(appURL);

    }

}

- (void)_applyDjVuWorkaround

{

    if (!cfBundle)

        return;

    if ([(NSString *)CFBundleGetIdentifier(cfBundle) isEqualToString:@"com.lizardtech.NPDjVu"]) {

        // The DjVu plug-in will crash copying the vtable if it's too big so we cap it to 

        // what the plug-in expects here. 

        // size + version + 40 function pointers.

        browserFuncs.size = 2 + 2 + sizeof(void *) * 40;

    }

}

- (BOOL)load

{    

    NP_GetEntryPointsFuncPtr NP_GetEntryPoints = NULL;

    NP_InitializeFuncPtr NP_Initialize = NULL;

    NPError npErr;

#ifdef SUPPORT_CFM

    MainFuncPtr pluginMainFunc = NULL;

#endif

#if !LOG_DISABLED

    CFAbsoluteTime start = CFAbsoluteTimeGetCurrent();

    CFAbsoluteTime currentTime;

    CFAbsoluteTime duration;

#endif

    LOG(Plugins, "%f Load timing started for: %@", start, [self name]);

    if (isLoaded)

        return YES;

#ifdef SUPPORT_CFM

    if (isBundle) {

#endif

        if (!CFBundleLoadExecutable(cfBundle))

            goto abort;

#if !LOG_DISABLED

        currentTime = CFAbsoluteTimeGetCurrent();

        duration = currentTime - start;

#endif

        LOG(Plugins, "%f CFBundleLoadExecutable took %f seconds", currentTime, duration);

        isLoaded = YES;

#ifdef SUPPORT_CFM

        if (isCFM) {

            pluginMainFunc = (MainFuncPtr)CFBundleGetFunctionPointerForName(cfBundle, CFSTR("main") );

            if (!pluginMainFunc)

                goto abort;

        } else {

#endif

            NP_Initialize = (NP_InitializeFuncPtr)CFBundleGetFunctionPointerForName(cfBundle, CFSTR("NP_Initialize"));

            NP_GetEntryPoints = (NP_GetEntryPointsFuncPtr)CFBundleGetFunctionPointerForName(cfBundle, CFSTR("NP_GetEntryPoints"));

            NPP_Shutdown = (NPP_ShutdownProcPtr)CFBundleGetFunctionPointerForName(cfBundle, CFSTR("NP_Shutdown"));

            if (!NP_Initialize || !NP_GetEntryPoints || !NPP_Shutdown)

                goto abort;

#ifdef SUPPORT_CFM

        }

    } else {

        // single CFM file

        FSSpec spec;

        FSRef fref;

        OSErr err;

        err = FSPathMakeRef((UInt8 *)[path fileSystemRepresentation], &fref, NULL);

        if (err != noErr) {

            LOG_ERROR("FSPathMakeRef failed. Error=%d", err);

            goto abort;

        }

        err = FSGetCatalogInfo(&fref, kFSCatInfoNone, NULL, NULL, &spec, NULL);

        if (err != noErr) {

            LOG_ERROR("FSGetCatalogInfo failed. Error=%d", err);

            goto abort;

        }

        err = WebGetDiskFragment(&spec, 0, kCFragGoesToEOF, nil, kPrivateCFragCopy, &connID, (Ptr *)&pluginMainFunc, nil);

        if (err != noErr) {

            LOG_ERROR("WebGetDiskFragment failed. Error=%d", err);

            goto abort;

        }

#if !LOG_DISABLED

        currentTime = CFAbsoluteTimeGetCurrent();

        duration = currentTime - start;

#endif

        LOG(Plugins, "%f WebGetDiskFragment took %f seconds", currentTime, duration);

        isLoaded = YES;

        pluginMainFunc = (MainFuncPtr)functionPointerForTVector((TransitionVector)pluginMainFunc);

        if (!pluginMainFunc) {

            goto abort;

        }

        // NOTE: pluginMainFunc is freed after it is called. Be sure not to return before that.

        isCFM = YES;

    }

#endif /* SUPPORT_CFM */

    // Plugins (at least QT) require that you call UseResFile on the resource file before loading it.

    resourceRef = [self openResourceFile];

    if (resourceRef != -1) {

        UseResFile(resourceRef);

    }

    // swap function tables

#ifdef SUPPORT_CFM

    if (isCFM) {

        browserFuncs.version = NP_VERSION_MINOR;

        browserFuncs.size = sizeof(NPNetscapeFuncs);

        browserFuncs.geturl = (NPN_GetURLProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_GetURL);

        browserFuncs.posturl = (NPN_PostURLProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_PostURL);

        browserFuncs.requestread = (NPN_RequestReadProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_RequestRead);

        browserFuncs.newstream = (NPN_NewStreamProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_NewStream);

        browserFuncs.write = (NPN_WriteProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_Write);

        browserFuncs.destroystream = (NPN_DestroyStreamProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_DestroyStream);

        browserFuncs.status = (NPN_StatusProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_Status);

        browserFuncs.uagent = (NPN_UserAgentProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_UserAgent);

        browserFuncs.memalloc = (NPN_MemAllocProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_MemAlloc);

        browserFuncs.memfree = (NPN_MemFreeProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_MemFree);

        browserFuncs.memflush = (NPN_MemFlushProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_MemFlush);

        browserFuncs.reloadplugins = (NPN_ReloadPluginsProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_ReloadPlugins);

        browserFuncs.geturlnotify = (NPN_GetURLNotifyProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_GetURLNotify);

        browserFuncs.posturlnotify = (NPN_PostURLNotifyProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_PostURLNotify);

        browserFuncs.getvalue = (NPN_GetValueProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_GetValue);

        browserFuncs.setvalue = (NPN_SetValueProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_SetValue);

        browserFuncs.invalidaterect = (NPN_InvalidateRectProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_InvalidateRect);

        browserFuncs.invalidateregion = (NPN_InvalidateRegionProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_InvalidateRegion);

        browserFuncs.forceredraw = (NPN_ForceRedrawProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_ForceRedraw);

        browserFuncs.getJavaEnv = (NPN_GetJavaEnvProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_GetJavaEnv);

        browserFuncs.getJavaPeer = (NPN_GetJavaPeerProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_GetJavaPeer);

        browserFuncs.pushpopupsenabledstate = (NPN_PushPopupsEnabledStateProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_PushPopupsEnabledState);

        browserFuncs.poppopupsenabledstate = (NPN_PopPopupsEnabledStateProcPtr)tVectorForFunctionPointer((FunctionPointer)NPN_PopPopupsEnabledState);

        browserFuncs.releasevariantvalue = (NPN_ReleaseVariantValueProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_ReleaseVariantValue);

        browserFuncs.getstringidentifier = (NPN_GetStringIdentifierProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_GetStringIdentifier);

        browserFuncs.getstringidentifiers = (NPN_GetStringIdentifiersProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_GetStringIdentifiers);

        browserFuncs.getintidentifier = (NPN_GetIntIdentifierProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_GetIntIdentifier);

        browserFuncs.identifierisstring = (NPN_IdentifierIsStringProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_IdentifierIsString);

        browserFuncs.utf8fromidentifier = (NPN_UTF8FromIdentifierProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_UTF8FromIdentifier);

        browserFuncs.createobject = (NPN_CreateObjectProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_CreateObject);

        browserFuncs.retainobject = (NPN_RetainObjectProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_RetainObject);

        browserFuncs.releaseobject = (NPN_ReleaseObjectProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_ReleaseObject);

        browserFuncs.invoke = (NPN_InvokeProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_Invoke);

        browserFuncs.invokeDefault = (NPN_InvokeDefaultProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_InvokeDefault);

        browserFuncs.evaluate = (NPN_EvaluateProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_Evaluate);

        browserFuncs.getproperty = (NPN_GetPropertyProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_GetProperty);

        browserFuncs.setproperty = (NPN_SetPropertyProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_SetProperty);

        browserFuncs.removeproperty = (NPN_RemovePropertyProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_RemoveProperty);

        browserFuncs.setexception = (NPN_SetExceptionProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_SetException);

        browserFuncs.enumerate = (NPN_EnumerateProcPtr)tVectorForFunctionPointer((FunctionPointer)_NPN_Enumerate);

        [self _applyDjVuWorkaround];

#if !LOG_DISABLED

        CFAbsoluteTime mainStart = CFAbsoluteTimeGetCurrent();

#endif

        LOG(Plugins, "%f main timing started", mainStart);

        NPP_ShutdownProcPtr shutdownFunction;

        npErr = pluginMainFunc(&browserFuncs, &pluginFuncs, &shutdownFunction);

        NPP_Shutdown = (NPP_ShutdownProcPtr)functionPointerForTVector((TransitionVector)shutdownFunction);

        if (!isBundle)

            // Don't free pluginMainFunc if we got it from a bundle because it is owned by CFBundle in that case.

            free(pluginMainFunc);

        // Workaround for 3270576. The RealPlayer plug-in fails to load if its preference file is out of date.

        // Launch the RealPlayer application to refresh the file.

        if (npErr != NPERR_NO_ERROR) {

            if (npErr == NPERR_MODULE_LOAD_FAILED_ERROR && [[self filename] isEqualToString:RealPlayerPluginFilename])

                [self launchRealPlayer];

            goto abort;

        }

#if !LOG_DISABLED

        currentTime = CFAbsoluteTimeGetCurrent();

        duration = currentTime - mainStart;

#endif

        LOG(Plugins, "%f main took %f seconds", currentTime, duration);

        pluginSize = pluginFuncs.size;

        pluginVersion = pluginFuncs.version;

        LOG(Plugins, "pluginMainFunc: %d, size=%d, version=%d", npErr, pluginSize, pluginVersion);

        NPP_New = (NPP_NewProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.newp);

        NPP_Destroy = (NPP_DestroyProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.destroy);

        NPP_SetWindow = (NPP_SetWindowProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.setwindow);

        NPP_NewStream = (NPP_NewStreamProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.newstream);

        NPP_DestroyStream = (NPP_DestroyStreamProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.destroystream);

        NPP_StreamAsFile = (NPP_StreamAsFileProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.asfile);

        NPP_WriteReady = (NPP_WriteReadyProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.writeready);

        NPP_Write = (NPP_WriteProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.write);

        NPP_Print = (NPP_PrintProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.print);

        NPP_HandleEvent = (NPP_HandleEventProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.event);

        NPP_URLNotify = (NPP_URLNotifyProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.urlnotify);

        NPP_GetValue = (NPP_GetValueProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.getvalue);

        NPP_SetValue = (NPP_SetValueProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.setvalue);

        // LiveConnect support

        NPP_GetJavaClass = (NPP_GetJavaClassProcPtr)functionPointerForTVector((TransitionVector)pluginFuncs.javaClass);

        if (NPP_GetJavaClass) {

            LOG(LiveConnect, "%@:  CFM entry point for NPP_GetJavaClass = %p", [self name], NPP_GetJavaClass);

        } else {

            LOG(LiveConnect, "%@:  no entry point for NPP_GetJavaClass", [self name]);

        }

    } else {

#endif

        // no function pointer conversion necessary for Mach-O

        browserFuncs.version = NP_VERSION_MINOR;

        browserFuncs.size = sizeof(NPNetscapeFuncs);

        browserFuncs.geturl = NPN_GetURL;

        browserFuncs.posturl = NPN_PostURL;

        browserFuncs.requestread = NPN_RequestRead;

        browserFuncs.newstream = NPN_NewStream;

        browserFuncs.write = NPN_Write;

        browserFuncs.destroystream = NPN_DestroyStream;

        browserFuncs.status = NPN_Status;

        browserFuncs.uagent = NPN_UserAgent;

        browserFuncs.memalloc = NPN_MemAlloc;

        browserFuncs.memfree = NPN_MemFree;

        browserFuncs.memflush = NPN_MemFlush;

        browserFuncs.reloadplugins = NPN_ReloadPlugins;

        browserFuncs.geturlnotify = NPN_GetURLNotify;

        browserFuncs.posturlnotify = NPN_PostURLNotify;

        browserFuncs.getvalue = NPN_GetValue;

        browserFuncs.setvalue = NPN_SetValue;

        browserFuncs.invalidaterect = NPN_InvalidateRect;

        browserFuncs.invalidateregion = NPN_InvalidateRegion;

        browserFuncs.forceredraw = NPN_ForceRedraw;

        browserFuncs.getJavaEnv = NPN_GetJavaEnv;

        browserFuncs.getJavaPeer = NPN_GetJavaPeer;

        browserFuncs.pushpopupsenabledstate = NPN_PushPopupsEnabledState;

        browserFuncs.poppopupsenabledstate = NPN_PopPopupsEnabledState;

        browserFuncs.releasevariantvalue = _NPN_ReleaseVariantValue;

        browserFuncs.getstringidentifier = _NPN_GetStringIdentifier;

        browserFuncs.getstringidentifiers = _NPN_GetStringIdentifiers;

        browserFuncs.getintidentifier = _NPN_GetIntIdentifier;

        browserFuncs.identifierisstring = _NPN_IdentifierIsString;

        browserFuncs.utf8fromidentifier = _NPN_UTF8FromIdentifier;

        browserFuncs.createobject = _NPN_CreateObject;