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     33 
     34 #import <WebKit/npapi.h>
     35 #import <WebKit/npfunctions.h>
     36 #import <WebKit/npruntime.h>
     37 
     38 NPNetscapeFuncs *browser;
     39 
     40 NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16_t mode, int16_t argc, char* argn[], char* argv[], NPSavedData* saved);
     41 NPError NPP_Destroy(NPP instance, NPSavedData** save);
     42 NPError NPP_SetWindow(NPP instance, NPWindow* window);
     43 NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16_t* stype);
     44 NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason);
     45 int32_t NPP_WriteReady(NPP instance, NPStream* stream);
     46 int32_t NPP_Write(NPP instance, NPStream* stream, int32_t offset, int32_t len, void* buffer);
     47 void NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname);
     48 void NPP_Print(NPP instance, NPPrint* platformPrint);
     49 int16_t NPP_HandleEvent(NPP instance, void* event);
     50 void NPP_URLNotify(NPP instance, const char* URL, NPReason reason, void* notifyData);
     51 NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value);
     52 NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value);
     53 
     54 #pragma export on
     55 // Mach-o entry points
     56 NPError NP_Initialize(NPNetscapeFuncs *browserFuncs);
     57 NPError NP_GetEntryPoints(NPPluginFuncs *pluginFuncs);
     58 void NP_Shutdown(void);
     59 // For compatibility with CFM browsers.
     60 int main(NPNetscapeFuncs *browserFuncs, NPPluginFuncs *pluginFuncs, NPP_ShutdownProcPtr *shutdown);
     61 #pragma export off
     62 
     63 
     64 typedef void (* FunctionPointer) (void);
     65 typedef void (* TransitionVector) (void);
     66 static FunctionPointer functionPointerForTVector(TransitionVector);
     67 static TransitionVector tVectorForFunctionPointer(FunctionPointer);
     68 
     69 // Mach-o entry points
     70 NPError NP_Initialize(NPNetscapeFuncs* browserFuncs)
     71 {
     72     browser = browserFuncs;
     73     return NPERR_NO_ERROR;
     74 }
     75 
     76 NPError NP_GetEntryPoints(NPPluginFuncs* pluginFuncs)
     77 {
     78     pluginFuncs->version = 11;
     79     pluginFuncs->size = sizeof(pluginFuncs);
     80     pluginFuncs->newp = NPP_New;
     81     pluginFuncs->destroy = NPP_Destroy;
     82     pluginFuncs->setwindow = NPP_SetWindow;
     83     pluginFuncs->newstream = NPP_NewStream;
     84     pluginFuncs->destroystream = NPP_DestroyStream;
     85     pluginFuncs->asfile = NPP_StreamAsFile;
     86     pluginFuncs->writeready = NPP_WriteReady;
     87     pluginFuncs->write = (NPP_WriteProcPtr)NPP_Write;
     88     pluginFuncs->print = NPP_Print;
     89     pluginFuncs->event = NPP_HandleEvent;
     90     pluginFuncs->urlnotify = NPP_URLNotify;
     91     pluginFuncs->getvalue = NPP_GetValue;
     92     pluginFuncs->setvalue = NPP_SetValue;
     93 
     94     return NPERR_NO_ERROR;
     95 }
     96 
     97 void NP_Shutdown(void)
     98 {
     99 
    100 }
    101 
    102 // For compatibility with CFM browsers.
    103 int main(NPNetscapeFuncs *browserFuncs, NPPluginFuncs *pluginFuncs, NPP_ShutdownProcPtr *shutdown)
    104 {
    105     browser = malloc(sizeof(NPNetscapeFuncs));
    106     bzero(browser, sizeof(NPNetscapeFuncs));
    107 
    108     browser->size = browserFuncs->size;
    109     browser->version = browserFuncs->version;
    110 
    111     // Since this is a mach-o plug-in and the browser is CFM because it is calling main, translate
    112     // our function points into TVectors so the browser can call them.
    113     browser->geturl = (NPN_GetURLProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->geturl);
    114     browser->posturl = (NPN_PostURLProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->posturl);
    115     browser->requestread = (NPN_RequestReadProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->requestread);
    116     browser->newstream = (NPN_NewStreamProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->newstream);
    117     browser->write = (NPN_WriteProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->write);
    118     browser->destroystream = (NPN_DestroyStreamProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->destroystream);
    119     browser->status = (NPN_StatusProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->status);
    120     browser->uagent = (NPN_UserAgentProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->uagent);
    121     browser->memalloc = (NPN_MemAllocProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->memalloc);
    122     browser->memfree = (NPN_MemFreeProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->memfree);
    123     browser->memflush = (NPN_MemFlushProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->memflush);
    124     browser->reloadplugins = (NPN_ReloadPluginsProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->reloadplugins);
    125     browser->geturlnotify = (NPN_GetURLNotifyProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->geturlnotify);
    126     browser->posturlnotify = (NPN_PostURLNotifyProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->posturlnotify);
    127     browser->getvalue = (NPN_GetValueProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->getvalue);
    128     browser->setvalue = (NPN_SetValueProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->setvalue);
    129     browser->invalidaterect = (NPN_InvalidateRectProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->invalidaterect);
    130     browser->invalidateregion = (NPN_InvalidateRegionProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->invalidateregion);
    131     browser->forceredraw = (NPN_ForceRedrawProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->forceredraw);
    132     browser->getJavaEnv = (NPN_GetJavaEnvProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->getJavaEnv);
    133     browser->getJavaPeer = (NPN_GetJavaPeerProcPtr)functionPointerForTVector((TransitionVector)browserFuncs->getJavaPeer);
    134 
    135     pluginFuncs->version = 11;
    136     pluginFuncs->size = sizeof(pluginFuncs);
    137     pluginFuncs->newp = (NPP_NewProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_New);
    138     pluginFuncs->destroy = (NPP_DestroyProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_Destroy);
    139     pluginFuncs->setwindow = (NPP_SetWindowProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_SetWindow);
    140     pluginFuncs->newstream = (NPP_NewStreamProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_NewStream);
    141     pluginFuncs->destroystream = (NPP_DestroyStreamProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_DestroyStream);
    142     pluginFuncs->asfile = (NPP_StreamAsFileProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_StreamAsFile);
    143     pluginFuncs->writeready = (NPP_WriteReadyProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_WriteReady);
    144     pluginFuncs->write = (NPP_WriteProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_Write);
    145     pluginFuncs->print = (NPP_PrintProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_Print);
    146     pluginFuncs->event = (NPP_HandleEventProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_HandleEvent);
    147     pluginFuncs->urlnotify = (NPP_URLNotifyProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_URLNotify);
    148     pluginFuncs->getvalue = (NPP_GetValueProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_GetValue);
    149     pluginFuncs->setvalue = (NPP_SetValueProcPtr)tVectorForFunctionPointer((FunctionPointer)NPP_SetValue);
    150 
    151     *shutdown = (NPP_ShutdownProcPtr)tVectorForFunctionPointer((FunctionPointer)NP_Shutdown);
    152 
    153     return NPERR_NO_ERROR;
    154 }
    155 
    156 NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16_t mode, int16_t argc, char* argn[], char* argv[], NPSavedData* saved)
    157 {
    158     // Call window.alert("Success!")
    159     NPError error;
    160     NPObject *windowObject = NULL;
    161     error = browser->getvalue(instance, NPNVWindowNPObject, &windowObject);
    162     if (error == NPERR_NO_ERROR) {
    163         NPVariant alertMessage;
    164         STRINGZ_TO_NPVARIANT("Success!", alertMessage);
    165         NPVariant result;
    166         browser->invoke(instance, windowObject, browser->getstringidentifier("alert"), &alertMessage, 1, &result);
    167         browser->releaseobject(windowObject);
    168     }
    169 
    170     return NPERR_NO_ERROR;
    171 }
    172 
    173 NPError NPP_Destroy(NPP instance, NPSavedData** save)
    174 {
    175     return NPERR_NO_ERROR;
    176 }
    177 
    178 NPError NPP_SetWindow(NPP instance, NPWindow* window)
    179 {
    180     return NPERR_NO_ERROR;
    181 }
    182 
    183 NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16_t* stype)
    184 {
    185     *stype = NP_ASFILEONLY;
    186     return NPERR_NO_ERROR;
    187 }
    188 
    189 NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason)
    190 {
    191     return NPERR_NO_ERROR;
    192 }
    193 
    194 int32_t NPP_WriteReady(NPP instance, NPStream* stream)
    195 {
    196     return 0;
    197 }
    198 
    199 int32_t NPP_Write(NPP instance, NPStream* stream, int32_t offset, int32_t len, void* buffer)
    200 {
    201     return 0;
    202 }
    203 
    204 void NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
    205 {
    206 }
    207 
    208 void NPP_Print(NPP instance, NPPrint* platformPrint)
    209 {
    210 
    211 }
    212 
    213 int16_t NPP_HandleEvent(NPP instance, void* event)
    214 {
    215     return 1;
    216 }
    217 
    218 void NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
    219 {
    220 
    221 }
    222 
    223 NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value)
    224 {
    225     return NPERR_GENERIC_ERROR;
    226 }
    227 
    228 NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value)
    229 {
    230     return NPERR_GENERIC_ERROR;
    231 }
    232 
    233 // function pointer converters
    234 
    235 FunctionPointer functionPointerForTVector(TransitionVector tvp)
    236 {
    237     const uint32_t temp[6] = {0x3D800000, 0x618C0000, 0x800C0000, 0x804C0004, 0x7C0903A6, 0x4E800420};
    238     uint32_t *newGlue = NULL;
    239 
    240     if (tvp != NULL) {
    241         newGlue = (uint32_t *)malloc(sizeof(temp));
    242         if (newGlue != NULL) {
    243             unsigned i;
    244             for (i = 0; i < 6; i++) newGlue[i] = temp[i];
    245             newGlue[0] |= ((UInt32)tvp >> 16);
    246             newGlue[1] |= ((UInt32)tvp & 0xFFFF);
    247             MakeDataExecutable(newGlue, sizeof(temp));
    248         }
    249     }
    250 
    251     return (FunctionPointer)newGlue;
    252 }
    253 
    254 TransitionVector tVectorForFunctionPointer(FunctionPointer fp)
    255 {
    256     FunctionPointer *newGlue = NULL;
    257     if (fp != NULL) {
    258         newGlue = (FunctionPointer *)malloc(2 * sizeof(FunctionPointer));
    259         if (newGlue != NULL) {
    260             newGlue[0] = fp;
    261             newGlue[1] = NULL;
    262         }
    263     }
    264     return (TransitionVector)newGlue;
    265 }
    266