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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
commitd796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch)
tree6e3dcca4f77e20ec8966c666aac7c35bd4704053 /extensions/nsplugin/src/npunix.c
downloadtqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz
tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
Diffstat (limited to 'extensions/nsplugin/src/npunix.c')
-rw-r--r--extensions/nsplugin/src/npunix.c407
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diff --git a/extensions/nsplugin/src/npunix.c b/extensions/nsplugin/src/npunix.c
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+/*
+ * npunix.c
+ *
+ * Netscape Client Plugin API
+ * - Wrapper function to interface with the Netscape Navigator
+ *
+ * dp Suresh <dp@netscape.com>
+ *
+ *----------------------------------------------------------------------
+ * PLUGIN DEVELOPERS:
+ * YOU WILL NOT NEED TO EDIT THIS FILE.
+ *----------------------------------------------------------------------
+ */
+
+#define XP_UNIX 1
+
+#include <stdio.h>
+#include "npapi.h"
+#include "npupp.h"
+
+/*
+ * Define PLUGIN_TRACE to have the wrapper functions print
+ * messages to fd 3 or 4 (cannot use stderr - ns3 grabs that)
+ * whenever they are called.
+ */
+
+#ifdef PLUGIN_TRACE
+#include <stdio.h>
+#define PLUGINDEBUGSTR(msg) fprintf(out(), "%s\n", msg)
+#else
+#define PLUGINDEBUGSTR(msg)
+#endif
+
+
+/***********************************************************************
+ *
+ * Globals
+ *
+ ***********************************************************************/
+
+static NPNetscapeFuncs gNetscapeFuncs; /* Netscape Function table */
+
+
+/***********************************************************************
+ *
+ * Wrapper functions : plugin calling Netscape Navigator
+ *
+ * These functions let the plugin developer just call the APIs
+ * as documented and defined in npapi.h, without needing to know
+ * about the function table and call macros in npupp.h.
+ *
+ ***********************************************************************/
+
+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;
+
+ /* Major version is in high byte */
+ *netscape_major = gNetscapeFuncs.version >> 8;
+ /* Minor version is in low byte */
+ *netscape_minor = gNetscapeFuncs.version & 0xFF;
+}
+
+NPError
+NPN_GetValue(NPP instance, NPNVariable variable, void *r_value)
+{
+ return CallNPN_GetValueProc(gNetscapeFuncs.getvalue,
+ instance, variable, r_value);
+}
+
+NPError
+NPN_GetURL(NPP instance, const char* url, const char* window)
+{
+ return CallNPN_GetURLProc(gNetscapeFuncs.geturl, instance, url, window);
+}
+
+NPError
+NPN_PostURL(NPP instance, const char* url, const char* window,
+ uint32 len, const char* buf, NPBool file)
+{
+ return CallNPN_PostURLProc(gNetscapeFuncs.posturl, instance,
+ url, window, len, buf, file);
+}
+
+NPError
+NPN_RequestRead(NPStream* stream, NPByteRange* rangeList)
+{
+ return CallNPN_RequestReadProc(gNetscapeFuncs.requestread,
+ stream, rangeList);
+}
+
+NPError
+NPN_NewStream(NPP instance, NPMIMEType type, const char *window,
+ NPStream** stream_ptr)
+{
+ return CallNPN_NewStreamProc(gNetscapeFuncs.newstream, instance,
+ type, window, stream_ptr);
+}
+
+int32
+NPN_Write(NPP instance, NPStream* stream, int32 len, void* buffer)
+{
+ return CallNPN_WriteProc(gNetscapeFuncs.write, instance,
+ stream, len, buffer);
+}
+
+NPError
+NPN_DestroyStream(NPP instance, NPStream* stream, NPError reason)
+{
+ return CallNPN_DestroyStreamProc(gNetscapeFuncs.destroystream,
+ instance, stream, reason);
+}
+
+void
+NPN_Status(NPP instance, const char* message)
+{
+ CallNPN_StatusProc(gNetscapeFuncs.status, instance, message);
+}
+
+const char*
+NPN_UserAgent(NPP instance)
+{
+ return CallNPN_UserAgentProc(gNetscapeFuncs.uagent, instance);
+}
+
+void*
+NPN_MemAlloc(uint32 size)
+{
+ return CallNPN_MemAllocProc(gNetscapeFuncs.memalloc, size);
+}
+
+void NPN_MemFree(void* ptr)
+{
+ CallNPN_MemFreeProc(gNetscapeFuncs.memfree, ptr);
+}
+
+uint32 NPN_MemFlush(uint32 size)
+{
+ return CallNPN_MemFlushProc(gNetscapeFuncs.memflush, size);
+}
+
+void NPN_ReloadPlugins(NPBool reloadPages)
+{
+ CallNPN_ReloadPluginsProc(gNetscapeFuncs.reloadplugins, reloadPages);
+}
+
+JRIEnv* NPN_GetJavaEnv()
+{
+ return CallNPN_GetJavaEnvProc(gNetscapeFuncs.getJavaEnv);
+}
+
+jref NPN_GetJavaPeer(NPP instance)
+{
+ return CallNPN_GetJavaPeerProc(gNetscapeFuncs.getJavaPeer,
+ instance);
+}
+
+
+/***********************************************************************
+ *
+ * Wrapper functions : Netscape Navigator -> plugin
+ *
+ * These functions let the plugin developer just create the APIs
+ * as documented and defined in npapi.h, without needing to
+ * install those functions in the function table or worry about
+ * setting up globals for 68K plugins.
+ *
+ ***********************************************************************/
+
+NPError
+Private_New(NPMIMEType pluginType, NPP instance, uint16 mode,
+ int16 argc, char* argn[], char* argv[], NPSavedData* saved)
+{
+ NPError ret;
+ PLUGINDEBUGSTR("New");
+ ret = NPP_New(pluginType, instance, mode, argc, argn, argv, saved);
+ return ret;
+}
+
+NPError
+Private_Destroy(NPP instance, NPSavedData** save)
+{
+ PLUGINDEBUGSTR("Destroy");
+ return NPP_Destroy(instance, save);
+}
+
+NPError
+Private_SetWindow(NPP instance, NPWindow* window)
+{
+ NPError err;
+ PLUGINDEBUGSTR("SetWindow");
+ err = NPP_SetWindow(instance, window);
+ return err;
+}
+
+NPError
+Private_NewStream(NPP instance, NPMIMEType type, NPStream* stream,
+ NPBool seekable, uint16* stype)
+{
+ NPError err;
+ PLUGINDEBUGSTR("NewStream");
+ err = NPP_NewStream(instance, type, stream, seekable, stype);
+ return err;
+}
+
+int32
+Private_WriteReady(NPP instance, NPStream* stream)
+{
+ unsigned int result;
+ PLUGINDEBUGSTR("WriteReady");
+ result = NPP_WriteReady(instance, stream);
+ return result;
+}
+
+int32
+Private_Write(NPP instance, NPStream* stream, int32 offset, int32 len,
+ void* buffer)
+{
+ unsigned int result;
+ PLUGINDEBUGSTR("Write");
+ result = NPP_Write(instance, stream, offset, len, buffer);
+ return result;
+}
+
+void
+Private_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
+{
+ PLUGINDEBUGSTR("StreamAsFile");
+ NPP_StreamAsFile(instance, stream, fname);
+}
+
+
+NPError
+Private_DestroyStream(NPP instance, NPStream* stream, NPError reason)
+{
+ NPError err;
+ PLUGINDEBUGSTR("DestroyStream");
+ err = NPP_DestroyStream(instance, stream, reason);
+ return err;
+}
+
+
+void
+Private_Print(NPP instance, NPPrint* platformPrint)
+{
+ PLUGINDEBUGSTR("Print");
+ NPP_Print(instance, platformPrint);
+}
+
+JRIGlobalRef
+Private_GetJavaClass(void)
+{
+ jref clazz = NPP_GetJavaClass();
+ if (clazz) {
+ JRIEnv* env = NPN_GetJavaEnv();
+ return JRI_NewGlobalRef(env, clazz);
+ }
+ return NULL;
+}
+
+/***********************************************************************
+ *
+ * These functions are located automagically by netscape.
+ *
+ ***********************************************************************/
+
+/*
+ * NP_GetMIMEDescription
+ * - Netscape needs to know about this symbol
+ * - Netscape uses the return value to identify when an object instance
+ * of this plugin should be created.
+ */
+char *
+NP_GetMIMEDescription(void)
+{
+ return NPP_GetMIMEDescription();
+}
+
+/*
+ * NP_GetValue [optional]
+ * - Netscape needs to know about this symbol.
+ * - Interfaces with plugin to get values for predefined variables
+ * that the navigator needs.
+ */
+NPError
+NP_GetValue(void *future, NPPVariable variable, void *value)
+{
+ return NPP_GetValue(future, variable, value);
+}
+
+/*
+ * NP_Initialize
+ * - Netscape needs to know about this symbol.
+ * - It calls this function after looking up its symbol before it
+ * is about to create the first ever object of this kind.
+ *
+ * PARAMETERS
+ * nsTable - The netscape function table. If developers just use these
+ * wrappers, they dont need to worry about all these function
+ * tables.
+ * RETURN
+ * pluginFuncs
+ * - This functions needs to fill the plugin function table
+ * pluginFuncs and return it. Netscape Navigator plugin
+ * library will use this function table to call the plugin.
+ *
+ */
+NPError
+NP_Initialize(NPNetscapeFuncs* nsTable, NPPluginFuncs* pluginFuncs)
+{
+ NPError err = NPERR_NO_ERROR;
+
+ PLUGINDEBUGSTR("NP_Initialize");
+
+ /* validate input parameters */
+
+ if ((nsTable == NULL) || (pluginFuncs == NULL))
+ err = NPERR_INVALID_FUNCTABLE_ERROR;
+
+ /*
+ * Check the major version passed in Netscape's function table.
+ * We won't load if the major version is newer than what we expect.
+ * Also check that the function tables passed in are big enough for
+ * all the functions we need (they could be bigger, if Netscape added
+ * new APIs, but that's OK with us -- we'll just ignore them).
+ *
+ */
+
+ if (err == NPERR_NO_ERROR) {
+ if ((nsTable->version >> 8) > NP_VERSION_MAJOR)
+ err = NPERR_INCOMPATIBLE_VERSION_ERROR;
+ if (nsTable->size < sizeof(NPNetscapeFuncs))
+ err = NPERR_INVALID_FUNCTABLE_ERROR;
+ if (pluginFuncs->size < sizeof(NPPluginFuncs))
+ err = NPERR_INVALID_FUNCTABLE_ERROR;
+ }
+
+
+ if (err == NPERR_NO_ERROR) {
+ /*
+ * Copy all the fields of Netscape function table into our
+ * copy so we can call back into Netscape later. Note that
+ * we need to copy the fields one by one, rather than assigning
+ * the whole structure, because the Netscape function table
+ * could actually be bigger than what we expect.
+ */
+ gNetscapeFuncs.version = nsTable->version;
+ gNetscapeFuncs.size = nsTable->size;
+ gNetscapeFuncs.posturl = nsTable->posturl;
+ gNetscapeFuncs.geturl = nsTable->geturl;
+ gNetscapeFuncs.requestread = nsTable->requestread;
+ gNetscapeFuncs.newstream = nsTable->newstream;
+ gNetscapeFuncs.write = nsTable->write;
+ gNetscapeFuncs.destroystream = nsTable->destroystream;
+ gNetscapeFuncs.status = nsTable->status;
+ gNetscapeFuncs.uagent = nsTable->uagent;
+ gNetscapeFuncs.memalloc = nsTable->memalloc;
+ gNetscapeFuncs.memfree = nsTable->memfree;
+ gNetscapeFuncs.memflush = nsTable->memflush;
+ gNetscapeFuncs.reloadplugins = nsTable->reloadplugins;
+ gNetscapeFuncs.getJavaEnv = nsTable->getJavaEnv;
+ gNetscapeFuncs.getJavaPeer = nsTable->getJavaPeer;
+ gNetscapeFuncs.getvalue = nsTable->getvalue;
+
+ /*
+ * Set up the plugin function table that Netscape will use to
+ * call us. Netscape needs to know about our version and size
+ * and have a UniversalProcPointer for every function we
+ * implement.
+ */
+ pluginFuncs->version = (NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR;
+ pluginFuncs->size = sizeof(NPPluginFuncs);
+ pluginFuncs->newp = NewNPP_NewProc(Private_New);
+ pluginFuncs->destroy = NewNPP_DestroyProc(Private_Destroy);
+ pluginFuncs->setwindow = NewNPP_SetWindowProc(Private_SetWindow);
+ pluginFuncs->newstream = NewNPP_NewStreamProc(Private_NewStream);
+ pluginFuncs->destroystream = NewNPP_DestroyStreamProc(Private_DestroyStream);
+ pluginFuncs->asfile = NewNPP_StreamAsFileProc(Private_StreamAsFile);
+ pluginFuncs->writeready = NewNPP_WriteReadyProc(Private_WriteReady);
+ pluginFuncs->write = NewNPP_WriteProc(Private_Write);
+ pluginFuncs->print = NewNPP_PrintProc(Private_Print);
+ pluginFuncs->event = NULL;
+ pluginFuncs->javaClass = Private_GetJavaClass();
+
+ err = NPP_Initialize();
+ }
+
+ return err;
+}
+
+/*
+ * NP_Shutdown [optional]
+ * - Netscape needs to know about this symbol.
+ * - It calls this function after looking up its symbol after
+ * the last object of this kind has been destroyed.
+ *
+ */
+NPError
+NP_Shutdown(void)
+{
+ PLUGINDEBUGSTR("NP_Shutdown");
+ NPP_Shutdown();
+ return NPERR_NO_ERROR;
+}