bool convert_js_to_mrb_array(NPP npp, const NPVariant &variant, mrb_state *mrb, mrb_value *result)
{
NPVariant length;
NPN_GetProperty(npp, NPVARIANT_TO_OBJECT(variant), NPN_GetStringIdentifier("length"), &length);
int len;
if (NPVARIANT_IS_INT32(length)){
len = NPVARIANT_TO_INT32(length);
}else if (NPVARIANT_IS_DOUBLE(length)){
len = static_cast< int >(NPVARIANT_TO_DOUBLE(length)); // Why double??
}else{
NPN_ReleaseVariantValue(&length);
return false;
}
NPN_ReleaseVariantValue(&length);
mrb_value ret_array = mrb_ary_new_capa(mrb, len);
for (int32_t i=0; i<len; i++){
NPVariant item;
std::ostringstream oss;
oss << i;
NPN_GetProperty(npp, NPVARIANT_TO_OBJECT(variant), NPN_GetStringIdentifier(oss.str().c_str()), &item);
mrb_value mrb_item;
if (!convert_js_to_mrb(npp, item, mrb, &mrb_item)){
NPN_ReleaseVariantValue(&item);
return false;
}
NPN_ReleaseVariantValue(&item);
mrb_ary_push(mrb, ret_array, mrb_item);
}
*result = ret_array;
return true;
}
// XXX FIXME See comment at the other parseOptions variant.
void LibvlcPlaylistNPObject::parseOptions(NPObject *obj, int *i_options,
char*** ppsz_options)
{
/* WARNING: Safari does not implement NPN_HasProperty/NPN_HasMethod */
NPVariant value;
/* we are expecting to have a Javascript Array object */
NPIdentifier propId = NPN_GetStringIdentifier("length");
if( NPN_GetProperty(_instance, obj, propId, &value) )
{
int count = numberValue(value);
NPN_ReleaseVariantValue(&value);
if( count )
{
long capacity = 16;
char **options = (char **)malloc(capacity*sizeof(char *));
if( options )
{
int nOptions = 0;
while( nOptions < count )
{
propId = NPN_GetIntIdentifier(nOptions);
if( ! NPN_GetProperty(_instance, obj, propId, &value) )
/* return what we got so far */
break;
if( ! NPVARIANT_IS_STRING(value) )
{
/* return what we got so far */
NPN_ReleaseVariantValue(&value);
break;
}
if( nOptions == capacity )
{
capacity += 16;
char **moreOptions = (char **)realloc(options, capacity*sizeof(char*));
if( ! moreOptions )
{
/* failed to allocate more memory */
NPN_ReleaseVariantValue(&value);
/* return what we got so far */
*i_options = nOptions;
*ppsz_options = options;
break;
}
options = moreOptions;
}
options[nOptions++] = stringValue(value);
}
*i_options = nOptions;
*ppsz_options = options;
}
}
}
}
// 获取Plugin所在页面的URL
CString CPlugin::GetHostURL() const
{
CString url;
BOOL bOK = FALSE;
NPObject* pWindow = NULL;
NPVariant vLocation;
VOID_TO_NPVARIANT(vLocation);
NPVariant vHref;
VOID_TO_NPVARIANT(vHref);
try
{
if (( NPN_GetValue( m_pNPInstance, NPNVWindowNPObject, &pWindow) != NPERR_NO_ERROR ) || !pWindow )
{
throw(CString(_T("Cannot get window")));
}
if ((!NPN_GetProperty( m_pNPInstance, pWindow, NPN_GetStringIdentifier ("location"), &vLocation)) || !NPVARIANT_IS_OBJECT (vLocation))
{
throw(CString(_T("Cannot get window.location")));
}
if ((!NPN_GetProperty( m_pNPInstance, NPVARIANT_TO_OBJECT(vLocation), NPN_GetStringIdentifier ("href"), &vHref)) || !NPVARIANT_IS_STRING(vHref))
{
throw(CString(_T("Cannot get window.location.href")));
}
// 转换window.location.href的编码
int buffer_size = vHref.value.stringValue.UTF8Length + 1;
char* szUnescaped = new char[buffer_size];
DWORD dwSize = buffer_size;
if (SUCCEEDED(UrlUnescapeA(const_cast<LPSTR>(vHref.value.stringValue.UTF8Characters), szUnescaped, &dwSize, 0)))
{
WCHAR* szURL = new WCHAR[dwSize + 1];
if (MultiByteToWideChar(CP_UTF8, 0, szUnescaped, -1, szURL, dwSize + 1) > 0)
{
url = CW2T(szURL);
}
delete[] szURL;
}
delete[] szUnescaped;
}
catch (CString strMessage)
{
TRACE(_T("[CPlugin::GetHostURL Exception] %s"), strMessage);
}
if (!NPVARIANT_IS_VOID(vHref)) NPN_ReleaseVariantValue(&vHref);
if (!NPVARIANT_IS_VOID(vLocation)) NPN_ReleaseVariantValue(&vLocation);
if (pWindow != NULL) NPN_ReleaseObject(pWindow);
return url;
}
bool
ScriptablePluginObject::Invoke(NPIdentifier name, const NPVariant *args,
uint32_t argCount, NPVariant *result)
{
if (name == sFoo_id) {
printf ("foo called!\n");
NPVariant docv;
NPN_GetProperty(mNpp, sWindowObj, sDocument_id, &docv);
NPObject *doc = NPVARIANT_TO_OBJECT(docv);
NPVariant strv;
STRINGZ_TO_NPVARIANT("div", strv);
NPVariant divv;
NPN_Invoke(mNpp, doc, sCreateElement_id, &strv, 1, &divv);
STRINGZ_TO_NPVARIANT("I'm created by a plugin!", strv);
NPVariant textv;
NPN_Invoke(mNpp, doc, sCreateTextNode_id, &strv, 1, &textv);
NPVariant v;
NPN_Invoke(mNpp, NPVARIANT_TO_OBJECT(divv), sAppendChild_id, &textv, 1,
&v);
NPN_ReleaseVariantValue(&v);
NPN_ReleaseVariantValue(&textv);
NPVariant bodyv;
NPN_GetProperty(mNpp, doc, sBody_id, &bodyv);
NPN_Invoke(mNpp, NPVARIANT_TO_OBJECT(bodyv), sAppendChild_id, &divv, 1,
&v);
NPN_ReleaseVariantValue(&v);
NPN_ReleaseVariantValue(&divv);
NPN_ReleaseVariantValue(&bodyv);
NPN_ReleaseVariantValue(&docv);
STRINGZ_TO_NPVARIANT(strdup("foo return val"), *result);
return PR_TRUE;
}
return PR_FALSE;
}
bool convert_js_to_mrb_hash(NPP npp, const NPVariant &variant, mrb_state *mrb, mrb_value *result)
{
NPIdentifier *id_list = NULL;
uint32_t count;
NPN_Enumerate(npp, NPVARIANT_TO_OBJECT(variant), &id_list, &count);
mrb_value ret_hash = mrb_hash_new_capa(mrb, count);
for (uint32_t i=0; i<count; i++){
NPVariant item;
NPN_GetProperty(npp, NPVARIANT_TO_OBJECT(variant), id_list[i], &item);
mrb_value mrb_item;
if (!convert_js_to_mrb(npp, item, mrb, &mrb_item)){
NPN_MemFree(id_list);
NPN_ReleaseVariantValue(&item);
return false;
}
NPN_ReleaseVariantValue(&item);
NPUTF8 *key = NPN_UTF8FromIdentifier(id_list[i]);
mrb_hash_set(mrb, ret_hash, mrb_str_new2(mrb, key), mrb_item);
NPN_MemFree(key);
}
NPN_MemFree(id_list);
*result = ret_hash;
return true;
}
NPObject* CPlugin::GetWindowPropertyObject(const NPUTF8* szPropertyName) const
{
NPObject* pWindow = GetWindow();
NPVariant vObject;
VOID_TO_NPVARIANT(vObject);
if ((!NPN_GetProperty(m_pNPInstance, pWindow, GetIdentifier(szPropertyName), &vObject)) || !NPVARIANT_IS_OBJECT(vObject))
{
if (!NPVARIANT_IS_VOID(vObject))
NPN_ReleaseVariantValue(&vObject);
throw CString(_T("Cannot get window.")) + NPStringCharactersToCString(szPropertyName);
}
NPObject* pObject = NPVARIANT_TO_OBJECT(vObject);
if (!pObject)
{
NPN_ReleaseVariantValue(&vObject);
throw CString(_T("window.")) + NPStringCharactersToCString(szPropertyName) + _T(" is null");
}
NPN_RetainObject(pObject);
NPN_ReleaseVariantValue(&vObject);
return pObject;
}
// 清空IECtrl::Navigate的参数
void CPlugin::RemoveNavigateParams()
{
NPObject* pWindow = NULL;
NPVariant vCOBAContainer;
VOID_TO_NPVARIANT(vCOBAContainer);
NPVariant vResult;
VOID_TO_NPVARIANT(vResult);
try
{
if ((NPN_GetValue( m_pNPInstance, NPNVWindowNPObject, &pWindow) != NPERR_NO_ERROR ) || !pWindow )
{
throw(CString(_T("Cannot get window")));
}
if ((!NPN_GetProperty( m_pNPInstance, pWindow, NPN_GetStringIdentifier ("COBAContainer"), &vCOBAContainer)) || !NPVARIANT_IS_OBJECT (vCOBAContainer))
{
throw(CString(_T("Cannot get window.COBAContainer")));
}
if (!NPN_Invoke(m_pNPInstance, NPVARIANT_TO_OBJECT(vCOBAContainer), NPN_GetStringIdentifier("removeNavigateParams"), NULL, 0, &vResult))
{
throw(CString(_T("Cannot execute window.COBAContainer.removeNavigateParams()")));
}
}
catch (CString strMessage)
{
TRACE(_T("[CPlugin::RemoveNavigateParams Exception] %s"), strMessage);
}
if (!NPVARIANT_IS_VOID(vResult)) NPN_ReleaseVariantValue(&vResult);
if (!NPVARIANT_IS_VOID(vCOBAContainer)) NPN_ReleaseVariantValue(&vCOBAContainer);
if (pWindow != NULL) NPN_ReleaseObject(pWindow);
}
bool JsAgent::onHandleReturn(const Variant& varRet) {
if(!varRet.isObject()) {
Debug::println("JsAgent::onHandleReturn> NPN_Invoke did not return an object");
return false;
}
NPObject* pReturn = varRet.asObject();
Variant varFlag;
if(!NPN_GetProperty(getNPP(), pReturn, methods.index0, varFlag.ptr())) {
Debug::println("JsAgent::onHandleReturn> ret[0] failed");
return false;
}
Variant varResult;
if(!NPN_GetProperty(getNPP(), pReturn, methods.index1, varResult.ptr())) {
Debug::println("JsAgent::onHandleReturn> ret[1] failed");
return false;
}
if(!varFlag.isBool()) {
Debug::println("JsAgent::onHandleReturn> flag was not bool");
return false;
}
ReturnMessage retMsg;
retMsg.isException = varFlag.asBool();
std::string strRet = varResult.toString(getNPP());
if(retMsg.isException) {
Debug::println("JsAgent::onHandleReturn> Exception: '%s'", strRet.c_str());
NPN_SetException(this, strRet.c_str());
}
else {
Debug::println("JsAgent::onHandleReturn> returned: %s", strRet.c_str());
}
if(!wrapLocalValue(varResult, retMsg.value)) {
Debug::println("JsAgent::onHandleReturn> wrapLocalValue() failed");
return false;
}
ArchiveWriter<Channel> ar(*m_channel);
if(!Message::send(retMsg, ar)) {
Debug::println("JsAgent::onHandleReturn> Message::send() failed");
return false;
}
return true;
}
bool convert_js_to_mrb_object(NPP npp, const NPVariant &variant, mrb_state *mrb, mrb_value *result)
{
if (NPVARIANT_IS_MRB_JS_OBJECT(variant)){
MrbJsObject *obj = static_cast< MrbJsObject* >(NPVARIANT_TO_OBJECT(variant));
*result = obj->Value();
return true;
}
NPObject *window;
NPN_GetValue(npp, NPNVWindowNPObject, &window);
NPVariant object;
NPN_GetProperty(npp, window, NPN_GetStringIdentifier("Object"), &object);
NPN_ReleaseObject(window);
NPVariant prototype;
NPN_GetProperty(npp, NPVARIANT_TO_OBJECT(object), NPN_GetStringIdentifier("prototype"), &prototype);
NPN_ReleaseVariantValue(&object);
NPVariant to_string;
NPN_GetProperty(npp, NPVARIANT_TO_OBJECT(prototype), NPN_GetStringIdentifier("toString"), &to_string);
NPN_ReleaseVariantValue(&prototype);
NPVariant type_string;
NPN_Invoke(npp, NPVARIANT_TO_OBJECT(to_string), NPN_GetStringIdentifier("call"), &variant, 1, &type_string);
NPN_ReleaseVariantValue(&to_string);
if (!NPVARIANT_IS_STRING(type_string)){
NPN_ReleaseVariantValue(&type_string);
return false;
}
std::string type(NPVARIANT_TO_STRING(type_string).UTF8Characters, NPVARIANT_TO_STRING(type_string).UTF8Length);
NPN_ReleaseVariantValue(&type_string);
if (type == "[object Array]"){
return convert_js_to_mrb_array(npp, variant, mrb, result);
}else if (type == "[object Object]"){
return convert_js_to_mrb_hash(npp, variant, mrb, result);
}else if (type == "[object Function]"){
return convert_js_to_mrb_function(npp, variant, mrb, result);
}else{
*result = mrb_js_obj_class_new(mrb, NPVARIANT_TO_OBJECT(variant));
return true;
}
return true;
}
std::string getInterfaceName(NPP npp, NPObject* object)
{
std::string className;
NPVariant result;
bool asConstructor = true; // true if object can be a constructor
VOID_TO_NPVARIANT(result);
NPN_Invoke(npp, object, NPN_GetStringIdentifier("toString"), 0, 0, &result);
for (;;)
{
if (NPVARIANT_IS_STRING(result))
{
className = std::string(NPVARIANT_TO_STRING(result).utf8characters,
NPVARIANT_TO_STRING(result).utf8length);
}
NPN_ReleaseVariantValue(&result);
if (className.compare(0, 9, "function ") == 0)
{
// In Chrome, a [Constructor] object is represented as a 'Function'.
className = className.substr(9);
size_t pos = className.find('(');
if (pos != std::string::npos)
{
className = className.substr(0, pos);
break;
}
return "Function";
}
if (className.compare(0, 8, "[object ", 8) == 0 && className[className.length() - 1] == ']')
{
className = className.substr(8, className.length() - 9);
break;
}
// This object is likely to have a stringifier. Check the constructor name directly.
NPVariant constructor;
VOID_TO_NPVARIANT(constructor);
if (asConstructor && NPN_GetProperty(npp, object, NPN_GetStringIdentifier("constructor"), &constructor))
{
if (NPVARIANT_IS_OBJECT(constructor) &&
NPN_Invoke(npp, NPVARIANT_TO_OBJECT(constructor), NPN_GetStringIdentifier("toString"), 0, 0, &result))
{
NPN_ReleaseVariantValue(&constructor);
asConstructor = false;
continue;
}
NPN_ReleaseVariantValue(&constructor);
}
return "Object";
}
// In Firefox, the constructor and an instance object cannot be distinguished by toString().
// Check if object has a 'prototype' to see if it is a constructor.
if (asConstructor && NPN_HasProperty(npp, object, NPN_GetStringIdentifier("prototype")))
{
className += "_Constructor";
}
return className;
}
bool JsObjectWrapper::invokeDefault(const NPVariant* args, unsigned argCount, NPVariant* result) {
if(argCount < 1) {
Debug::println("JsObjectWrapper::invokeDefault> argCount < 1: %d", argCount);
return false;
}
if(!NPVARIANT_IS_OBJECT(args[0])) {
Debug::println("JsObjectWrapper::invokeDefault> args[0] not an object");
return false;
}
NPObject* pArray = NPVARIANT_TO_OBJECT(args[0]);
Variant varRet;
if(!NPN_GetProperty(getNPP(), pArray, m_agent->methods.length, varRet.ptr())) {
Debug::println("JsObjectWrapper::invokeDefault> get length failed");
return false;
}
if(!NPVARIANT_IS_INT32(varRet.get())) {
Debug::println("JsObjectWrapper::invokeDefault> length did not return an int");
return false;
}
int len = NPVARIANT_TO_INT32(varRet.get());
VariantArray varArgs(len);
for(int i = 0; i < len; i++) {
NPIdentifier id = NPN_GetIntIdentifier(i);
Variant varItem;
if(!NPN_GetProperty(getNPP(), pArray, id, varArgs[i].ptr())) {
Debug::println("JsObjectWrapper::invokeDefault> get [%d] failed", i);
return false;
}
}
Debug::println("JsObjectWrapper::invokeDefault");
if(!m_agent->invokeRemoteDelegate(m_targetId, varArgs.get(), len, result)) {
Debug::println("JsObjectWrapper::invokeDefault> invokeRemoteDelegate() failed");
return false;
}
return true;
}
static mrb_value mrb_js_obj_method_missing(mrb_state *mrb, mrb_value self)
{
NPP npp = MRB_UD_NPP(mrb);
mrb_value name_sym, *args;
int len;
mrb_get_args(mrb, "o*", &name_sym, &args, &len);
if (mrb_type(name_sym) != MRB_TT_SYMBOL){
return mrb_nil_value();
}
bool success = true;
NPVariant empty;
NULL_TO_NPVARIANT(empty);
std::vector< NPVariant > var_args(len, empty);
for (int i=0; i<len; i++){
if (!convert_mrb_to_js(mrb, args[i], npp, &var_args[i])){
success = false;
break;
}
}
mrb_value ret = mrb_nil_value();
if (success){
int name_len;
const char *name_char = mrb_sym2name_len(mrb, SYM2ID(name_sym), &name_len);
std::string name(name_char, name_len);
NPIdentifier name_id = NPN_GetStringIdentifier(name.c_str());
NPObject *obj = (NPObject *)DATA_PTR(self);
if (NPN_HasMethod(npp, obj, name_id)){
NPVariant result;
NPN_Invoke(npp, obj, name_id, &var_args[0], len, &result);
convert_js_to_mrb(npp, result, mrb, &ret);
}else if (NPN_HasProperty(npp, obj, name_id)){
NPVariant result;
NPN_GetProperty(npp, obj, name_id, &result);
convert_js_to_mrb(npp, result, mrb, &ret);
}else if (name.size() > 1 && name[name.size() - 1] == '=' && var_args.size() == 1){
name.resize(name.size() - 1);
name_id = NPN_GetStringIdentifier(name.c_str());
if (NPN_HasProperty(npp, obj, name_id)){
NPN_SetProperty(npp, obj, name_id, &var_args[0]);
}
}
}
for (int i=0; i<len; i++){
NPN_ReleaseVariantValue(&var_args[i]);
}
return ret;
}
static gboolean
get_element_property_object (NPP npp, NPObject *object, NPIdentifier property, NPVariant *child)
{
VOID_TO_NPVARIANT (*child);
if (!NPN_GetProperty (npp, object, property, child) ||
!NPVARIANT_IS_OBJECT (*child)) {
NPN_ReleaseVariantValue (child);
return FALSE;
}
return TRUE;
}
bool ParserWrap::execute(NPVariant buffer,NPVariant start,NPVariant end)
{
size_t c_start = static_cast<size_t>(start.value.doubleValue),
c_end = static_cast<size_t>(end.value.doubleValue);
NPVariant result;
NPN_GetProperty(m_Instance,buffer.value.objectValue,NPN_GetStringIdentifier("_handle"),&result);
BufferWrap* b = (BufferWrap*)result.value.objectValue;
http_parser_execute(parser,&http_parser_callbacks,b->data + c_start,c_end - c_start);
return true;
}
double CPlugin::GetZoomLevel()
{
double level = 1;
NPObject* pWindow = NULL;
NPVariant vCOBA;
VOID_TO_NPVARIANT(vCOBA);
NPVariant vLevel;
VOID_TO_NPVARIANT(vLevel);
try
{
if ((NPN_GetValue( m_pNPInstance, NPNVWindowNPObject, &pWindow) != NPERR_NO_ERROR ) || !pWindow )
{
throw(CString(_T("Cannot get window")));
}
if ((!NPN_GetProperty( m_pNPInstance, pWindow, NPN_GetStringIdentifier ("COBA"), &vCOBA)) || !NPVARIANT_IS_OBJECT (vCOBA))
{
throw(CString(_T("Cannot get window.COBA")));
}
if (!NPN_Invoke(m_pNPInstance, NPVARIANT_TO_OBJECT(vCOBA), NPN_GetStringIdentifier("getZoomLevel"), NULL, 0, &vLevel))
{
throw(CString(_T("Cannot execute window.COBA.getZoomLevel()")));
}
if (NPVARIANT_IS_DOUBLE(vLevel))
level = NPVARIANT_TO_DOUBLE(vLevel);
else if ( NPVARIANT_IS_INT32(vLevel) )
level = NPVARIANT_TO_INT32(vLevel);
}
catch (CString strMessage)
{
level = 1;
TRACE(_T("[CPlugin::FireEvent Exception] %s"), strMessage);
}
if (!NPVARIANT_IS_VOID(vLevel)) NPN_ReleaseVariantValue(&vLevel);
if (!NPVARIANT_IS_VOID(vCOBA)) NPN_ReleaseVariantValue(&vCOBA);
if (pWindow != NULL) NPN_ReleaseObject(pWindow);
return level;
}
CString CPlugin::GetNavigateParam(const NPUTF8* name) const
{
CString strParam;
NPObject* pWindow = NULL;
NPVariant vCOBAContainer;
VOID_TO_NPVARIANT(vCOBAContainer);
NPVariant vParam;
VOID_TO_NPVARIANT(vParam);
try
{
if ((NPN_GetValue( m_pNPInstance, NPNVWindowNPObject, &pWindow) != NPERR_NO_ERROR ) || !pWindow )
{
throw(CString(_T("Cannot get window")));
}
if ((!NPN_GetProperty( m_pNPInstance, pWindow, NPN_GetStringIdentifier ("COBAContainer"), &vCOBAContainer)) || !NPVARIANT_IS_OBJECT (vCOBAContainer))
{
throw(CString(_T("Cannot get window.COBAContainer")));
}
if (!NPN_Invoke(m_pNPInstance, NPVARIANT_TO_OBJECT(vCOBAContainer), NPN_GetStringIdentifier(name), NULL, 0, &vParam))
{
throw(CString(_T("Cannot execute window.COBAContainer.getXXX()")));
}
if (!NPVARIANT_IS_STRING(vParam))
{
throw(CString(_T("Invalid return value.")));
}
strParam = NPStringToCString(vParam.value.stringValue);
}
catch (CString strMessage)
{
TRACE(_T("[CPlugin::GetNavigateHeaders Exception] %s"), strMessage);
}
if (!NPVARIANT_IS_VOID(vParam)) NPN_ReleaseVariantValue(&vParam);
if (!NPVARIANT_IS_VOID(vCOBAContainer)) NPN_ReleaseVariantValue(&vCOBAContainer);
if (pWindow != NULL) NPN_ReleaseObject(pWindow);
return strParam;
}
void DoTest(NPP npp)
{
NPError err;
NPObject *obj;
NPVariant result;
err = __pluginfunc.getvalue(npp,
NPPVpluginScriptableNPObject, &obj);
if (err != NPERR_NO_ERROR)
return;
if (!NPN_GetProperty(npp, obj, __TextData_id, &result))
return;
if (NPVARIANT_IS_STRING(result)) {
printf("Hello World 1: sizeof(%d)\n", sizeof(result));
}
NPN_ReleaseVariantValue(&result);
return;
}
unordered_map<wstring, wstring> NPObjectToUnorderedMap(NPP npp, NPObject* npobj)
{
unordered_map<wstring, wstring> result;
NPIdentifier* pIdentifiers = NULL;
uint32_t nIdentifiers = 0;
if (NPN_Enumerate(npp, npobj, &pIdentifiers, &nIdentifiers)) {
for (uint32_t i = 0; i < nIdentifiers; i++) {
NPIdentifier npid = pIdentifiers[i];
CString idName = NPIdentifierToCString(npid);
NPVariant npvValue;
if (NPN_GetProperty(npp, npobj, npid, &npvValue)) {
if (NPVARIANT_IS_STRING(npvValue)) {
result[idName.GetString()] = NPStringToCString(NPVARIANT_TO_STRING(npvValue)).GetString();
}
NPN_ReleaseVariantValue(&npvValue);
}
}
NPN_MemFree(pIdentifiers);
}
return result;
}
CPlugin::CPlugin(NPP pNPInstance) :
m_pNPInstance(pNPInstance),
m_pNPStream(NULL),
m_bInitialized(FALSE),
m_pScriptableObject(NULL)
{
NPVariant v;
NPVariant rval;
NPObject *browserWndObj = NULL;
#ifdef XP_WIN
m_hWnd = NULL;
#endif
// setup the display string
const char *ua = NPN_UserAgent(m_pNPInstance);
strcpy(m_String, ua);
if ( NPERR_NO_ERROR == NPN_GetValue(m_pNPInstance, NPNVWindowNPObject, &browserWndObj))
{
// this is interesting.
// Here we are setting up an instance in JavaScript of the ScriptablePluginObject
// by inserting a new instance into the DOM. this will be referenced by document.pluginobj;
//
NPObject *myobj = NPN_CreateObject(m_pNPInstance, GET_NPOBJECT_CLASS(ScriptablePluginObject));
if ( myobj )
{
// create an identifier for the plugin object
NPIdentifier n = NPN_GetStringIdentifier("pluginobj");
// now insert into the DOM
OBJECT_TO_NPVARIANT(myobj, v);
if (NPN_SetProperty(m_pNPInstance, browserWndObj, n, &v))
{
// validate the object
if ( NPN_GetProperty(m_pNPInstance, browserWndObj, n, &rval) )
{
printf ("Object set/get test ");
if (NPVARIANT_IS_OBJECT(rval) && NPVARIANT_TO_OBJECT(rval) == myobj) {
printf ("succeeded!\n");
} else {
printf ("FAILED!\n");
}
}
else
{
printf("failed to get pluginobj");
}
NPN_ReleaseVariantValue(&rval);
}
else
{
printf("failed to set pluginobj");
}
NPN_ReleaseObject(myobj);
}
else
{
printf("failed to create pluginobj");
}
}
else
{
printf("failed to get browser window");
}
}
bool
ScriptablePluginObject::Invoke(NPIdentifier name, const NPVariant *args,
uint32_t argCount, NPVariant *result)
{
// 添加自定义方法
if (name == sGetVersion)
{
//NPString str;
//str.UTF8Characters = "1.0";
//str.UTF8Length = strlen(str.UTF8Characters);
MessageBox(NULL, "test1", "test", MB_OK);
//STRINGZ_TO_NPVARIANT(strdup("1.0"), *result);
//INT32_TO_NPVARIANT(10, *result);
//MessageBox(NULL, "test2", "test", MB_OK);
char * version = "1.0";
char* npOutString = (char *)NPN_MemAlloc(strlen(version) + 1);
strcpy(npOutString, version);
STRINGZ_TO_NPVARIANT(npOutString, *result);
return true;
}
if (name == sFoo_id) {
printf ("foo called!\n");
NPVariant docv;
NPN_GetProperty(mNpp, sWindowObj, sDocument_id, &docv);
NPObject *doc = NPVARIANT_TO_OBJECT(docv);
NPVariant strv;
STRINGZ_TO_NPVARIANT("div", strv);
NPVariant divv;
NPN_Invoke(mNpp, doc, sCreateElement_id, &strv, 1, &divv);
STRINGZ_TO_NPVARIANT("I'm created by a plugin!", strv);
NPVariant textv;
NPN_Invoke(mNpp, doc, sCreateTextNode_id, &strv, 1, &textv);
NPVariant v;
NPN_Invoke(mNpp, NPVARIANT_TO_OBJECT(divv), sAppendChild_id, &textv, 1,
&v);
NPN_ReleaseVariantValue(&v);
NPN_ReleaseVariantValue(&textv);
NPVariant bodyv;
NPN_GetProperty(mNpp, doc, sBody_id, &bodyv);
NPN_Invoke(mNpp, NPVARIANT_TO_OBJECT(bodyv), sAppendChild_id, &divv, 1,
&v);
NPN_ReleaseVariantValue(&v);
NPN_ReleaseVariantValue(&divv);
NPN_ReleaseVariantValue(&bodyv);
NPN_ReleaseVariantValue(&docv);
STRINGZ_TO_NPVARIANT(_strdup("foo return val"), *result);
return true;
}
return false;
}
CPlugin::CPlugin(NPP pNPInstance) :
m_pNPInstance(pNPInstance),
m_pNPStream(NULL),
m_bInitialized(false),
m_pScriptableObject(NULL)
{
#ifdef XP_WIN
m_hWnd = NULL;
#endif
NPN_GetValue(m_pNPInstance, NPNVWindowNPObject, &sWindowObj);
NPIdentifier n = NPN_GetStringIdentifier("foof");
sFoo_id = NPN_GetStringIdentifier("foo");
sBar_id = NPN_GetStringIdentifier("bar");
sDocument_id = NPN_GetStringIdentifier("document");
sBody_id = NPN_GetStringIdentifier("body");
sCreateElement_id = NPN_GetStringIdentifier("createElement");
sCreateTextNode_id = NPN_GetStringIdentifier("createTextNode");
sAppendChild_id = NPN_GetStringIdentifier("appendChild");
sPluginType_id = NPN_GetStringIdentifier("PluginType");
NPVariant v;
INT32_TO_NPVARIANT(46, v);
NPN_SetProperty(m_pNPInstance, sWindowObj, n, &v);
NPVariant rval;
NPN_GetProperty(m_pNPInstance, sWindowObj, n, &rval);
if (NPVARIANT_IS_INT32(rval)) {
printf("rval = %d\n", NPVARIANT_TO_INT32(rval));
}
n = NPN_GetStringIdentifier("document");
if (!NPN_IdentifierIsString(n)) {
NPString str;
str.UTF8Characters = "alert('NPN_IdentifierIsString() test failed!');";
str.UTF8Length = strlen(str.UTF8Characters);
NPN_Evaluate(m_pNPInstance, sWindowObj, &str, NULL);
}
NPObject *doc;
NPN_GetProperty(m_pNPInstance, sWindowObj, n, &rval);
if (NPVARIANT_IS_OBJECT(rval) && (doc = NPVARIANT_TO_OBJECT(rval))) {
n = NPN_GetStringIdentifier("title");
NPN_GetProperty(m_pNPInstance, doc, n, &rval);
if (NPVARIANT_IS_STRING(rval)) {
printf ("title = %s\n", NPVARIANT_TO_STRING(rval).UTF8Characters);
NPN_ReleaseVariantValue(&rval);
}
n = NPN_GetStringIdentifier("plugindoc");
OBJECT_TO_NPVARIANT(doc, v);
NPN_SetProperty(m_pNPInstance, sWindowObj, n, &v);
NPString str;
str.UTF8Characters = "document.getElementById('result').innerHTML += '<p>' + 'NPN_Evaluate() test, document = ' + this + '</p>';";
str.UTF8Length = strlen(str.UTF8Characters);
//NPN_Evaluate(m_pNPInstance, doc, &str, NULL);
NPN_ReleaseObject(doc);
}
NPVariant barval;
NPN_GetProperty(m_pNPInstance, sWindowObj, sBar_id, &barval);
NPVariant arg;
OBJECT_TO_NPVARIANT(sWindowObj, arg);
NPN_InvokeDefault(m_pNPInstance, NPVARIANT_TO_OBJECT(barval), &arg, 1,
&rval);
if (NPVARIANT_IS_INT32(rval) && NPVARIANT_TO_INT32(rval) == 4) {
printf ("Default function call SUCCEEDED!\n");
} else {
printf ("Default function call FAILED!\n");
}
NPN_ReleaseVariantValue(&barval);
NPN_ReleaseVariantValue(&rval);
#if 0
n = NPN_GetStringIdentifier("prompt");
NPVariant vars[3];
STRINGZ_TO_NPVARIANT("foo", vars[0]);
STRINGZ_TO_NPVARIANT("bar", vars[1]);
STRINGZ_TO_NPVARIANT("foof", vars[2]);
NPN_Invoke(sWindowObj, n, vars, 3, &rval);
if (NPVARIANT_IS_STRING(rval)) {
printf ("prompt returned '%s'\n", NPVARIANT_TO_STRING(rval).UTF8Characters);
}
NPN_ReleaseVariantValue(&rval);
#endif
NPObject *myobj =
NPN_CreateObject(m_pNPInstance,
GET_NPOBJECT_CLASS(ScriptablePluginObject));
n = NPN_GetStringIdentifier("pluginobj");
OBJECT_TO_NPVARIANT(myobj, v);
NPN_SetProperty(m_pNPInstance, sWindowObj, n, &v);
NPN_GetProperty(m_pNPInstance, sWindowObj, n, &rval);
printf ("Object set/get test ");
if (NPVARIANT_IS_OBJECT(rval) && NPVARIANT_TO_OBJECT(rval) == myobj) {
printf ("succeeded!\n");
} else {
printf ("FAILED!\n");
}
NPN_ReleaseVariantValue(&rval);
NPN_ReleaseObject(myobj);
const char *ua = NPN_UserAgent(m_pNPInstance);
strcpy(m_String, ua);
}
bool
ScriptablePluginObject::Invoke(NPIdentifier name, const NPVariant *args,
uint32_t argCount, NPVariant *result)
{
if (name == sFoo_id) {
printf ("foo called!\n");
NPIdentifier sAlert = NPN_GetStringIdentifier("alert");
NPVariant alertValue;
NPVariant returnValue;
STRINGZ_TO_NPVARIANT("hello world",alertValue);
NPN_Invoke(mNpp,sWindowObj,sAlert,&alertValue,1,&returnValue);
//FFHelper* ffhelper = new FFHelper();
//ffhelper->Invoke(mNpp,sWindowObj,"alert",&alertValue,1,&returnValue);
//ffhelper->GetVersion();
//char* p7SignedData = ffhelper->P7Sign("","123");
//MessageBox(NULL,_T(p7SignedData),_T("Information"),MB_OK);
//NPVariant npp7SignedData;
//STRINGZ_TO_NPVARIANT(p7SignedData, npp7SignedData);
//ffhelper->Invoke(mNpp,sWindowObj,"alert",&npp7SignedData,1,&returnValue);
NPN_ReleaseVariantValue(&returnValue);
NPVariant docv;
NPN_GetProperty(mNpp, sWindowObj, sDocument_id, &docv);
NPObject *doc = NPVARIANT_TO_OBJECT(docv);
NPVariant strv;
STRINGZ_TO_NPVARIANT("div", strv);
NPVariant divv;
NPN_Invoke(mNpp, doc, sCreateElement_id, &strv, 1, &divv);
STRINGZ_TO_NPVARIANT("I'm created by a plugin!", strv);
NPVariant textv;
NPN_Invoke(mNpp, doc, sCreateTextNode_id, &strv, 1, &textv);
NPVariant v;
NPN_Invoke(mNpp, NPVARIANT_TO_OBJECT(divv), sAppendChild_id, &textv, 1,
&v);
NPN_ReleaseVariantValue(&v);
NPN_ReleaseVariantValue(&textv);
NPVariant bodyv;
NPN_GetProperty(mNpp, doc, sBody_id, &bodyv);
NPN_Invoke(mNpp, NPVARIANT_TO_OBJECT(bodyv), sAppendChild_id, &divv, 1,
&v);
NPN_ReleaseVariantValue(&v);
NPN_ReleaseVariantValue(&divv);
NPN_ReleaseVariantValue(&bodyv);
NPN_ReleaseVariantValue(&docv);
const char* outString = "foo return val";
char* npOutString = (char *)NPN_MemAlloc(strlen(outString) + 1);
if (!npOutString)
return false;
strcpy(npOutString, outString);
STRINGZ_TO_NPVARIANT(npOutString, *result);
return true;
}
return false;
}
// This function is equivalent to the following JavaScript function:
// function FireEvent(strEventType, strDetail) {
// var event = document.createEvent("CustomEvent");
// event.initCustomEvent(strEventType, true, true, strDetail);
// pluginObject.dispatchEvent(event);
// }
//
// Uses following JavaScript code to listen to the event fired:
// pluginObject.addEventListener(strEventType, function(event) {
// alert(event.detail);
// }
BOOL CPlugin::FireEvent(const CString &strEventType, const CString &strDetail)
{
BOOL bOK = FALSE;
NPObject* pWindow = NULL;
NPVariant vDocument;
VOID_TO_NPVARIANT(vDocument);
NPVariant vEvent;
NPObject* pDocument = NULL;
VOID_TO_NPVARIANT(vEvent);
NPObject *pEvent = NULL;
NPObject* pPlugin = NULL;
try
{
// get window object
if (NPN_GetValue(m_pNPInstance, NPNVWindowNPObject, &pWindow) != NPERR_NO_ERROR || pWindow == NULL)
{
throw CString(_T("Cannot get window"));
}
// get window.document
bOK = NPN_GetProperty(m_pNPInstance, pWindow, NPN_GetStringIdentifier("document"), &vDocument);
if (!NPVARIANT_IS_OBJECT(vDocument) || !bOK)
{
throw CString(_T("Cannot get window.document"));
}
pDocument = NPVARIANT_TO_OBJECT(vDocument);
// var event = document.createEvent("CustomEvent");
if (pDocument)
{
NPVariant arg;
STRINGZ_TO_NPVARIANT(CStringToNPStringCharacters(_T("CustomEvent")), arg);
bOK = NPN_Invoke(m_pNPInstance, pDocument, NPN_GetStringIdentifier("createEvent"), &arg, 1, &vEvent);
NPN_ReleaseVariantValue(&arg);
if (!NPVARIANT_IS_OBJECT(vEvent) || !bOK)
{
throw CString(_T("Cannot document.createEvent"));
}
}
else
{
throw CString(_T("window.document is null"));
}
pEvent = NPVARIANT_TO_OBJECT(vEvent);;
// event.initCustomEvent(strEventType, true, true, strDetail);
if (pEvent)
{
NPVariant args[4];
STRINGZ_TO_NPVARIANT(CStringToNPStringCharacters(strEventType), args[0]);
BOOLEAN_TO_NPVARIANT(true, args[1]);
BOOLEAN_TO_NPVARIANT(true, args[2]);
STRINGZ_TO_NPVARIANT(CStringToNPStringCharacters(strDetail), args[3]);
NPVariant vResult;
bOK = NPN_Invoke(m_pNPInstance, pEvent, NPN_GetStringIdentifier("initCustomEvent"), args, 4, &vResult);
for (int i=0; i<4; i++)
{
NPN_ReleaseVariantValue(&args[i]);
}
NPN_ReleaseVariantValue(&vResult);
if (!bOK)
{
throw CString(_T("Cannot event.initCustomEvent"));
}
}
else
{
throw CString(_T("event is null"));
}
// get plugin object
if (NPN_GetValue(m_pNPInstance, NPNVPluginElementNPObject, &pPlugin) != NPERR_NO_ERROR || pPlugin == NULL)
{
throw CString(_T("Cannot get window"));
}
// pluginObject.dispatchEvent(event);
NPVariant vNotCanceled;
bOK = NPN_Invoke(m_pNPInstance, pPlugin, NPN_GetStringIdentifier("dispatchEvent"), &vEvent, 1, &vNotCanceled);
NPN_ReleaseVariantValue(&vEvent);
if (!bOK || !NPVARIANT_IS_BOOLEAN(vNotCanceled))
{
throw CString(_T("Cannot dispatchEvent"));
}
if (NPVARIANT_TO_BOOLEAN(vNotCanceled) != true)
{
throw CString(_T("Event is canceled"));
}
}
catch (CString strMessage)
{
TRACE(_T("[CPlugin::FireEvent Exception] %s"), strMessage);
bOK = FALSE;
}
if (pPlugin != NULL) NPN_ReleaseObject(pPlugin);
if (!NPVARIANT_IS_VOID(vEvent)) NPN_ReleaseVariantValue(&vEvent);
if (!NPVARIANT_IS_VOID(vDocument)) NPN_ReleaseVariantValue(&vDocument);
if (pWindow != NULL) NPN_ReleaseObject(pWindow);
return bOK;
}
CPlugin::CPlugin(NPP pNPInstance) :
m_pNPInstance(pNPInstance),
m_pNPStream(NULL),
m_bInitialized(FALSE),
m_pScriptableObject(NULL)
{
#ifdef XP_WIN
m_hWnd = NULL;
#endif
NPN_GetValue(m_pNPInstance, NPNVWindowNPObject, &sWindowObj);
NPIdentifier n = NPN_GetStringIdentifier("foof");
sendCmd_id = NPN_GetStringIdentifier("sendCmd");
NPVariant v;
INT32_TO_NPVARIANT(46, v);
NPN_SetProperty(m_pNPInstance, sWindowObj, n, &v);
n = NPN_GetStringIdentifier("document");
NPVariant arg;
OBJECT_TO_NPVARIANT(sWindowObj, arg);
NPObject *myobj =
NPN_CreateObject(m_pNPInstance,
GET_NPOBJECT_CLASS(ScriptablePluginObject));
n = NPN_GetStringIdentifier("objJSExt");
OBJECT_TO_NPVARIANT(myobj, v);
NPN_SetProperty(m_pNPInstance, sWindowObj, n, &v);
NPN_ReleaseObject(myobj);
const char *ua = NPN_UserAgent(m_pNPInstance);
strcpy(m_String, ua);
// Create a "location" identifier.
NPIdentifier identifier = NPN_GetStringIdentifier( "location" );
// Declare a local variant value.
NPVariant variantValue;
// Get the location property from the window object (which is another object).
bool b1 = NPN_GetProperty( m_pNPInstance, sWindowObj, identifier, &variantValue );
// Get a pointer to the "location" object.
NPObject *locationObj = variantValue.value.objectValue;
// Create a "href" identifier.
identifier = NPN_GetStringIdentifier( "href" );
// Get the location property from the location object.
bool b2 = NPN_GetProperty( m_pNPInstance, locationObj, identifier, &variantValue );
g_strPageURL = "";
NPString npStr = NPVARIANT_TO_STRING( variantValue );
for (unsigned int i=0; i<npStr.utf8length; i++)
{
g_strPageURL += npStr.utf8characters[ i ];
}
NPN_ReleaseObject(locationObj);
}
bool TCPWrap::Invoke(NPIdentifier name, const NPVariant *args, uint32_t argCount, NPVariant *result)
{
if(name == onconnection_cb)
{
apply(onconnection_callback,args,argCount,result);
return true;
}
if(name == onread_cb)
{
apply(onread_callback,args,argCount,result);
return true;
}
if(name == onshutdown_cb)
{
apply(onshutdown_callback,args,argCount,result);
return true;
}
InvokeParams* params = new InvokeParams;
params->name = name;
params->object = this;
params->args = new NPVariant[argCount];
params->argCount = argCount;
for(uint32_t q = 0; q < argCount; q++)
{
params->args[q] = *CopyNPVariant(&args[q]);
}
// if there is a write request a reference must be returned to javascript so it has
// to be done before the rest of the work is handed off to the worker thread
if(name == write_func)
{
argCount++;
WriteReq* w = (WriteReq*)NPN_CreateObject(m_Instance,&WriteReq::_npclass);
// when we get a buffer we have to find the SlowBuffer._handle to access its data
if(params->args[0].type == NPVariantType_Object)
{
// we dont want to delete the buffer because it's a SlowBuffer and might be accessed later
// via a Buffer
w->retainBuffer = true;
NPVariant offset,
length,
parent,
handle;
// buffer.offset
NPN_GetProperty(m_Instance,params->args[0].value.objectValue,NPN_GetStringIdentifier("offset"),&offset);
// buffer.length
NPN_GetProperty(m_Instance,params->args[0].value.objectValue,NPN_GetStringIdentifier("length"),&length);
// buffer.parent
NPN_GetProperty(m_Instance,params->args[0].value.objectValue,NPN_GetStringIdentifier("parent"),&parent);
// buffer.parent._handle
NPN_GetProperty(m_Instance,parent.value.objectValue,NPN_GetStringIdentifier("_handle"),&handle);
params->args[0].type = NPVariantType_String;
params->args[0].value.stringValue.UTF8Length = static_cast<uint32_t>(length.value.doubleValue);
params->args[0].value.stringValue.UTF8Characters =
((BufferWrap*)handle.value.objectValue)->data + (uint16_t)offset.value.doubleValue;
}
w->init(this,args[1],args[2]);
NPN_RetainObject((NPObject*)w);
params->returnObject = (NPObject*)w;
//return the write request
result->type = NPVariantType_Object;
result->value.objectValue = params->returnObject;
}
if(name == shutdown_func)
{
ShutdownReq* w = (ShutdownReq*)NPN_CreateObject(m_Instance,&ShutdownReq::_npclass);
w->init(this, args[0]);
NPN_RetainObject((NPObject*)w);
params->returnObject = (NPObject *)w;
//return the shutdown request
result->type = NPVariantType_Object;
result->value.objectValue = params->returnObject;
}
invoke_queue.push(params);
//wake the worker thread
uv_async_send(&TCPWrap::async_handle);
return true;
}
bool
ScriptablePluginObject::Invoke(NPIdentifier name, const NPVariant *args, uint32_t argCount, NPVariant *result)
{
//kk
char *pFunc = NPN_UTF8FromIdentifier(name);
if( !strcmp( "Add", pFunc ) )
{
int sum = 0;
for( unsigned int i = 0; i < argCount; i++ )
{
if( args[i].type == NPVariantType_Int32 )
{
sum += args[i].value.intValue;
}
else if( args[i].type == NPVariantType_String )
{
CNPString s(args[i].value.stringValue);
sum += atoi( s );
}
else return false;//an error happenend
}
//value for GUI output
sprintf( m_szTextGui, "Sum = %ld", sum );
//triggering
::InvalidateRect( m_hWnd, 0, true );
//nice and handy little helpers, there are more of it
INT32_TO_NPVARIANT( sum,*result);
return true;
}
if (name == sFoo_id) {
printf ("foo called!\n");
NPVariant docv;
NPN_GetProperty(mNpp, sWindowObj, sDocument_id, &docv);
NPObject *doc = NPVARIANT_TO_OBJECT(docv);
NPVariant strv;
STRINGZ_TO_NPVARIANT("div", strv);
NPVariant divv;
NPN_Invoke(mNpp, doc, sCreateElement_id, &strv, 1, &divv);
STRINGZ_TO_NPVARIANT("I'm created by a plugin!", strv);
NPVariant textv;
NPN_Invoke(mNpp, doc, sCreateTextNode_id, &strv, 1, &textv);
NPVariant v;
NPN_Invoke(mNpp, NPVARIANT_TO_OBJECT(divv), sAppendChild_id, &textv, 1,
&v);
NPN_ReleaseVariantValue(&v);
NPN_ReleaseVariantValue(&textv);
NPVariant bodyv;
NPN_GetProperty(mNpp, doc, sBody_id, &bodyv);
NPN_Invoke(mNpp, NPVARIANT_TO_OBJECT(bodyv), sAppendChild_id, &divv, 1,
&v);
NPN_ReleaseVariantValue(&v);
NPN_ReleaseVariantValue(&divv);
NPN_ReleaseVariantValue(&bodyv);
NPN_ReleaseVariantValue(&docv);
STRINGZ_TO_NPVARIANT(strdup("foo return val"), *result);
return true;
}
return false;
}