npwin.cpp
上传用户:hongyu5696
上传日期:2018-01-22
资源大小:391k
文件大小:9k
- /* npwin.cpp */
- //\// INCLUDE
- //#include "StdAfx.h"
- // netscape
- #ifndef _NPAPI_H_
- #include "npapi.h"
- #endif
- #ifndef _NPUPP_H_
- #include "npupp.h"
- #endif
- //\// DEFINE
- #ifdef WIN32
- #define NP_EXPORT //__declspec( dllexport )
- #else
- #define NP_EXPORT _export
- #endif
- //\// GLOBAL DATA
- NPNetscapeFuncs* g_pNavigatorFuncs = NULL;
- //\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\.
- ////\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//.
- // Private_GetJavaClass (global function)
- //
- // Given a Java class reference (thru NPP_GetJavaClass) inform JRT
- // of this class existence
- //
- JRIGlobalRef
- Private_GetJavaClass(void)
- {
- jref clazz = NPP_GetJavaClass();
- if (clazz) {
- JRIEnv* env = NPN_GetJavaEnv();
- return JRI_NewGlobalRef(env, clazz);
- }
- return NULL;
- }
- //\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\.
- ////\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//.
- // PLUGIN DLL entry points
- //
- // These are the Windows specific DLL entry points. They must be exoprted
- //
- // we need these to be global since we have to fill one of its field
- // with a data (class) which requires knowlwdge of the navigator
- // jump-table. This jump table is known at Initialize time (NP_Initialize)
- // which is called after NP_GetEntryPoint
- static NPPluginFuncs* g_pluginFuncs;
- //\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\.
- ////\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//.
- // NP_GetEntryPoints
- //
- // fills in the func table used by Navigator to call entry points in
- // plugin DLL. Note that these entry points ensure that DS is loaded
- // by using the NP_LOADDS macro, when compiling for Win16
- //
- NPError WINAPI NP_EXPORT
- NP_GetEntryPoints(NPPluginFuncs* pFuncs)
- {
- // trap a NULL ptr
- if(pFuncs == NULL)
- return NPERR_INVALID_FUNCTABLE_ERROR;
- // if the plugin's function table is smaller than the plugin expects,
- // then they are incompatible, and should return an error
- pFuncs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
- pFuncs->newp = NPP_New;
- pFuncs->destroy = NPP_Destroy;
- pFuncs->setwindow = NPP_SetWindow;
- pFuncs->newstream = NPP_NewStream;
- pFuncs->destroystream = NPP_DestroyStream;
- pFuncs->asfile = NPP_StreamAsFile;
- pFuncs->writeready = NPP_WriteReady;
- pFuncs->write = NPP_Write;
- pFuncs->print = NPP_Print;
- pFuncs->event = NULL; /// reserved
- g_pluginFuncs = pFuncs;
- return NPERR_NO_ERROR;
- }
- //\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\.
- ////\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//.
- // NP_Initialize
- //
- // called immediately after the plugin DLL is loaded
- //
- NPError WINAPI NP_EXPORT
- NP_Initialize(NPNetscapeFuncs* pFuncs)
- {
- // trap a NULL ptr
- if(pFuncs == NULL)
- return NPERR_INVALID_FUNCTABLE_ERROR;
- g_pNavigatorFuncs = pFuncs; // save it for future reference
- // if the plugin's major ver level is lower than the Navigator's,
- // then they are incompatible, and should return an error
- if(HIBYTE(pFuncs->version) > NP_VERSION_MAJOR)
- return NPERR_INCOMPATIBLE_VERSION_ERROR;
- // We have to defer these assignments until g_pNavigatorFuncs is set
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- if( navMinorVers >= NPVERS_HAS_NOTIFICATION ) {
- g_pluginFuncs->urlnotify = NPP_URLNotify;
- }
- if( navMinorVers >= NPVERS_HAS_LIVECONNECT ) {
- g_pluginFuncs->javaClass = Private_GetJavaClass();
- }
- // NPP_Initialize is a standard (cross-platform) initialize function.
- return NPP_Initialize();
- }
- //\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\.
- ////\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//.
- // NP_Shutdown
- //
- // called immediately before the plugin DLL is unloaded.
- // This functio shuold check for some ref count on the dll to see if it is
- // unloadable or it needs to stay in memory.
- //
- NPError WINAPI NP_EXPORT
- NP_Shutdown()
- {
- NPP_Shutdown();
- g_pNavigatorFuncs = NULL;
- return NPERR_NO_ERROR;
- }
- // END - PLUGIN DLL entry points
- ////\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//.
- //\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\//\.
- /* NAVIGATOR Entry points */
- /* These entry points expect to be called from within the plugin. The
- noteworthy assumption is that DS has already been set to point to the
- plugin's DLL data segment. Don't call these functions from outside
- the plugin without ensuring DS is set to the DLLs data segment first,
- typically using the NP_LOADDS macro
- */
- /* returns the major/minor version numbers of the Plugin API for the plugin
- and the Navigator
- */
- void NPN_Version(int* plugin_major, int* plugin_minor, int* netscape_major, int* netscape_minor)
- {
- *plugin_major = NP_VERSION_MAJOR;
- *plugin_minor = NP_VERSION_MINOR;
- *netscape_major = HIBYTE(g_pNavigatorFuncs->version);
- *netscape_minor = LOBYTE(g_pNavigatorFuncs->version);
- }
- /* causes the specified URL to be fetched and streamed in
- */
- NPError NPN_GetURLNotify(NPP instance, const char *url, const char *target, void* notifyData)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- NPError err;
- if( navMinorVers >= NPVERS_HAS_NOTIFICATION ) {
- err = g_pNavigatorFuncs->geturlnotify(instance, url, target, notifyData);
- }
- else {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
- NPError NPN_GetURL(NPP instance, const char *url, const char *target)
- {
- return g_pNavigatorFuncs->geturl(instance, url, target);
- }
- NPError NPN_PostURLNotify(NPP instance, const char* url, const char* window, uint32 len, const char* buf, NPBool file, void* notifyData)
- {
- int navMinorVers = g_pNavigatorFuncs->version & 0xFF;
- NPError err;
- if( navMinorVers >= NPVERS_HAS_NOTIFICATION ) {
- err = g_pNavigatorFuncs->posturlnotify(instance, url, window, len, buf, file, notifyData);
- }
- else {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
- NPError NPN_PostURL(NPP instance, const char* url, const char* window, uint32 len, const char* buf, NPBool file)
- {
- return g_pNavigatorFuncs->posturl(instance, url, window, len, buf, file);
- }
- /* Requests that a number of bytes be provided on a stream. Typically
- this would be used if a stream was in "pull" mode. An optional
- position can be provided for streams which are seekable.
- */
- NPError NPN_RequestRead(NPStream* stream, NPByteRange* rangeList)
- {
- return g_pNavigatorFuncs->requestread(stream, rangeList);
- }
- /* Creates a new stream of data from the plug-in to be interpreted
- by Netscape in the current window.
- */
- NPError NPN_NewStream(NPP instance, NPMIMEType type,
- const char* target, NPStream** stream)
- {
- int navMinorVersion = g_pNavigatorFuncs->version & 0xFF;
- NPError err;
- if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT ) {
- err = g_pNavigatorFuncs->newstream(instance, type, target, stream);
- }
- else {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
- /* Provides len bytes of data.
- */
- int32 NPN_Write(NPP instance, NPStream *stream,
- int32 len, void *buffer)
- {
- int navMinorVersion = g_pNavigatorFuncs->version & 0xFF;
- int32 result;
- if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT ) {
- result = g_pNavigatorFuncs->write(instance, stream, len, buffer);
- }
- else {
- result = -1;
- }
- return result;
- }
- /* Closes a stream object.
- reason indicates why the stream was closed.
- */
- NPError NPN_DestroyStream(NPP instance, NPStream* stream, NPError reason)
- {
- int navMinorVersion = g_pNavigatorFuncs->version & 0xFF;
- NPError err;
- if( navMinorVersion >= NPVERS_HAS_STREAMOUTPUT ) {
- err = g_pNavigatorFuncs->destroystream(instance, stream, reason);
- }
- else {
- err = NPERR_INCOMPATIBLE_VERSION_ERROR;
- }
- return err;
- }
- /* Provides a text status message in the Netscape client user interface
- */
- void NPN_Status(NPP instance, const char *message)
- {
- g_pNavigatorFuncs->status(instance, message);
- }
- /* returns the user agent string of Navigator, which contains version info
- */
- const char* NPN_UserAgent(NPP instance)
- {
- return g_pNavigatorFuncs->uagent(instance);
- }
- /* allocates memory from the Navigator's memory space. Necessary so that
- saved instance data may be freed by Navigator when exiting.
- */
- void* NPN_MemAlloc(uint32 size)
- {
- return g_pNavigatorFuncs->memalloc(size);
- }
- /* reciprocal of MemAlloc() above
- */
- void NPN_MemFree(void* ptr)
- {
- g_pNavigatorFuncs->memfree(ptr);
- }
- /* private function to Netscape. do not use!
- */
- void NPN_ReloadPlugins(NPBool reloadPages)
- {
- g_pNavigatorFuncs->reloadplugins(reloadPages);
- }
- JRIEnv* NPN_GetJavaEnv(void)
- {
- return g_pNavigatorFuncs->getJavaEnv();
- }
- jref NPN_GetJavaPeer(NPP instance)
- {
- return g_pNavigatorFuncs->getJavaPeer(instance);
- }