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npsimple.c
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npsimple.c
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/* ***** BEGIN LICENSE BLOCK *****
* (C)opyright 2008-2009 Aplix Corporation. [email protected]
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* https://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
* ***** END LICENSE BLOCK ***** */
#include <stdio.h>
#include <string.h>
#if defined(XULRUNNER_SDK)
#include <npapi.h>
#include <npupp.h>
#include <npruntime.h>
#elif defined(ANDROID)
#undef HAVE_LONG_LONG
#include <jni.h>
#include <npapi.h>
#include <npfunctions.h>
#include <npruntime.h>
#define OSCALL
#define NPP_WRITE_TYPE (NPP_WriteProcPtr)
#define NPStringText UTF8Characters
#define NPStringLen UTF8Length
extern JNIEnv *pluginJniEnv;
typedef int16_t int16;
typedef uint16_t uint16;
typedef uint32_t uint32;
#undef STRINGN_TO_NPVARIANT
#define STRINGN_TO_NPVARIANT(_val, _len, _v) \
NP_BEGIN_MACRO \
(_v).type = NPVariantType_String; \
NPString str = { _val, (uint32_t)(_len) }; \
(_v).value.stringValue = str; \
NP_END_MACRO
#elif defined(WEBKIT_DARWIN_SDK)
#include <Webkit/npapi.h>
#include <WebKit/npfunctions.h>
#include <WebKit/npruntime.h>
#define OSCALL
#elif defined(WEBKIT_WINMOBILE_SDK) /* WebKit SDK on Windows */
#ifndef PLATFORM
#define PLATFORM(x) defined(x)
#endif
#include <npfunctions.h>
#ifndef OSCALL
#define OSCALL WINAPI
#endif
#endif
static NPObject *so = NULL;
static NPNetscapeFuncs *npnfuncs = NULL;
static NPP inst = NULL;
/* NPN */
static void logmsg(const char *msg) {
#if defined(ANDROID)
FILE *out = fopen("/sdcard/npsimple.log", "a");
if(out) {
fputs(msg, out);
fclose(out);
}
#elif !defined(_WINDOWS)
fputs(msg, stderr);
#else
FILE *out = fopen("\\npsimple.log", "a");
if(out) {
fputs(msg, out);
fclose(out);
}
#endif
}
static bool
hasMethod(NPObject* obj, NPIdentifier methodName) {
logmsg("npsimple: hasMethod\n");
return true;
}
static bool
invokeDefault(NPObject *obj, const NPVariant *args, uint32_t argCount, NPVariant *result) {
logmsg("npsimple: invokeDefault\n");
result->type = NPVariantType_Int32;
result->value.intValue = 42;
return true;
}
static bool
invoke(NPObject* obj, NPIdentifier methodName, const NPVariant *args, uint32_t argCount, NPVariant *result) {
logmsg("npsimple: invoke\n");
int error = 1;
char *name = npnfuncs->utf8fromidentifier(methodName);
if(name) {
if(!strcmp(name, "foo")) {
logmsg("npsimple: invoke foo\n");
return invokeDefault(obj, args, argCount, result);
}
else if(!strcmp(name, "callback")) {
if(argCount == 1 && args[0].type == NPVariantType_Object) {
static NPVariant v, r;
const char kHello[] = "Hello";
char *txt = (char *)npnfuncs->memalloc(strlen(kHello));
logmsg("npsimple: invoke callback function\n");
memcpy(txt, kHello, strlen(kHello));
STRINGN_TO_NPVARIANT(txt, strlen(kHello), v);
/* INT32_TO_NPVARIANT(42, v); */
if(npnfuncs->invokeDefault(inst, NPVARIANT_TO_OBJECT(args[0]), &v, 1, &r))
return invokeDefault(obj, args, argCount, result);
}
}
}
// aim exception handling
npnfuncs->setexception(obj, "exception during invocation");
return false;
}
static bool
hasProperty(NPObject *obj, NPIdentifier propertyName) {
logmsg("npsimple: hasProperty\n");
return false;
}
static bool
getProperty(NPObject *obj, NPIdentifier propertyName, NPVariant *result) {
logmsg("npsimple: getProperty\n");
return false;
}
static NPClass npcRefObject = {
NP_CLASS_STRUCT_VERSION,
NULL,
NULL,
NULL,
hasMethod,
invoke,
invokeDefault,
hasProperty,
getProperty,
NULL,
NULL,
};
/* NPP */
static NPError
nevv(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc, char *argn[], char *argv[], NPSavedData *saved) {
inst = instance;
logmsg("npsimple: new\n");
return NPERR_NO_ERROR;
}
static NPError
destroy(NPP instance, NPSavedData **save) {
if(so)
npnfuncs->releaseobject(so);
so = NULL;
logmsg("npsimple: destroy\n");
return NPERR_NO_ERROR;
}
static NPError
getValue(NPP instance, NPPVariable variable, void *value) {
inst = instance;
switch(variable) {
default:
logmsg("npsimple: getvalue - default\n");
return NPERR_GENERIC_ERROR;
case NPPVpluginNameString:
logmsg("npsimple: getvalue - name string\n");
*((char **)value) = "AplixFooPlugin";
break;
case NPPVpluginDescriptionString:
logmsg("npsimple: getvalue - description string\n");
*((char **)value) = "<a href=\"https://www.aplix.co.jp/\">AplixFooPlugin</a> plugin.";
break;
case NPPVpluginScriptableNPObject:
logmsg("npsimple: getvalue - scriptable object\n");
if(!so)
so = npnfuncs->createobject(instance, &npcRefObject);
npnfuncs->retainobject(so);
*(NPObject **)value = so;
break;
#if defined(XULRUNNER_SDK)
case NPPVpluginNeedsXEmbed:
logmsg("npsimple: getvalue - xembed\n");
*((PRBool *)value) = PR_FALSE;
break;
#endif
}
return NPERR_NO_ERROR;
}
static NPError /* expected by Safari on Darwin */
handleEvent(NPP instance, void *ev) {
inst = instance;
logmsg("npsimple: handleEvent\n");
return NPERR_NO_ERROR;
}
static NPError /* expected by Opera */
setWindow(NPP instance, NPWindow* pNPWindow) {
inst = instance;
logmsg("npsimple: setWindow\n");
return NPERR_NO_ERROR;
}
/* EXPORT */
#ifdef __cplusplus
extern "C" {
#endif
NPError OSCALL
NP_GetEntryPoints(NPPluginFuncs *nppfuncs) {
logmsg("npsimple: NP_GetEntryPoints\n");
nppfuncs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
nppfuncs->newp = nevv;
nppfuncs->destroy = destroy;
nppfuncs->getvalue = getValue;
nppfuncs->event = handleEvent;
nppfuncs->setwindow = setWindow;
return NPERR_NO_ERROR;
}
#ifndef HIBYTE
#define HIBYTE(x) ((((uint32)(x)) & 0xff00) >> 8)
#endif
NPError OSCALL
NP_Initialize(NPNetscapeFuncs *npnf
#if defined(ANDROID)
, NPPluginFuncs *nppfuncs, JNIEnv *env, jobject plugin_object
#elif !defined(_WINDOWS) && !defined(WEBKIT_DARWIN_SDK)
, NPPluginFuncs *nppfuncs
#endif
)
{
logmsg("npsimple: NP_Initialize\n");
if(npnf == NULL)
return NPERR_INVALID_FUNCTABLE_ERROR;
if(HIBYTE(npnf->version) > NP_VERSION_MAJOR)
return NPERR_INCOMPATIBLE_VERSION_ERROR;
npnfuncs = npnf;
#if !defined(_WINDOWS) && !defined(WEBKIT_DARWIN_SDK)
NP_GetEntryPoints(nppfuncs);
#endif
return NPERR_NO_ERROR;
}
NPError
OSCALL NP_Shutdown() {
logmsg("npsimple: NP_Shutdown\n");
return NPERR_NO_ERROR;
}
char *
NP_GetMIMEDescription(void) {
logmsg("npsimple: NP_GetMIMEDescription\n");
return "application/x-vnd-aplix-foo:.foo:[email protected]";
}
NPError OSCALL /* needs to be present for WebKit based browsers */
NP_GetValue(void *npp, NPPVariable variable, void *value) {
inst = (NPP)npp;
return getValue((NPP)npp, variable, value);
}
#ifdef __cplusplus
}
#endif