bool convert_mrb_to_js_array(mrb_state *mrb, mrb_value value, NPP npp, NPVariant *result)
{
NPObject *window;
NPN_GetValue(npp, NPNVWindowNPObject, &window);
NPVariant array;
NPN_Invoke(npp, window, NPN_GetStringIdentifier("Array"), NULL, 0, &array);
NPN_ReleaseObject(window);
NPIdentifier push = NPN_GetStringIdentifier("push");
mrb_value *ptr = RARRAY_PTR(value);
for (int i=0, len=RARRAY_LEN(value); i<len; i++){
NPVariant var;
if (!convert_mrb_to_js(mrb, ptr[i], npp, &var)){
NPN_ReleaseVariantValue(&array);
return false;
}
NPVariant ret;
NPN_Invoke(npp, NPVARIANT_TO_OBJECT(array), push, &var, 1, &ret);
NPN_ReleaseVariantValue(&ret);
}
*result = array;
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
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;
}
double CPlugin::GetZoomLevel()
{
double level = 1;
NPVariant vLevel;
VOID_TO_NPVARIANT(vLevel);
try
{
NPObject* pContainer = GetContainer();
if (!NPN_Invoke(m_pNPInstance, pContainer, GetIdentifier("getZoomLevel"), NULL, 0, &vLevel))
{
throw CString(_T("Cannot invoke window.Container.getZoomLevel()"));
}
if (NPVARIANT_IS_DOUBLE(vLevel))
level = NPVARIANT_TO_DOUBLE(vLevel);
else if ( NPVARIANT_IS_INT32(vLevel) )
level = NPVARIANT_TO_INT32(vLevel);
}
catch (const CString& strMessage)
{
level = 1;
UNUSED(strMessage);
TRACE(_T("[CPlugin::GetZoomLevel Exception] %s\n"), strMessage);
}
if (!NPVARIANT_IS_VOID(vLevel)) NPN_ReleaseVariantValue(&vLevel);
return level;
}
CString CPlugin::GetNavigateParam(const NPUTF8* name) const
{
CString strParam;
NPVariant vParam;
VOID_TO_NPVARIANT(vParam);
try
{
NPObject* pContainer = GetContainer();
if (!NPN_Invoke(m_pNPInstance, pContainer, GetIdentifier(name), NULL, 0, &vParam))
{
throw(CString(_T("Cannot invoke window.Container.getXXX()")));
}
if (!NPVARIANT_IS_STRING(vParam))
{
throw(CString(_T("Invalid return value.")));
}
strParam = NPStringToCString(vParam.value.stringValue);
}
catch (const CString& strMessage)
{
UNUSED(strMessage);
TRACE(_T("[CPlugin::GetNavigateHeaders Exception] %s\n"), strMessage);
}
if (!NPVARIANT_IS_VOID(vParam)) NPN_ReleaseVariantValue(&vParam);
return strParam;
}
bool JsAgent::onInvokeFunction(const InvokeFunctionMessage& msg) {
Debug::println("JsAgent::onInvokeFunction: %s", msg.name.c_str());
VariantArray args(msg.args.size() + 2);
int i = 0;
args[i++].set(msg.name);
int scopeId = msg.scopeId;
if(scopeId != 0) {
NPObject* obj = getLocalObject(scopeId);
if(obj == NULL) {
Debug::println("JsAgent::onInvokeFunction> getLocalObject() returned NULL");
return false;
}
args[i++].set(obj);
}
else {
args[i++].setNull();
}
std::list<JsValue>::const_iterator it = msg.args.begin();
std::list<JsValue>::const_iterator itEnd = msg.args.end();
for(; it != itEnd; ++it) {
const JsValue& value = *it;
wrapRemoteValue(value, args[i++]);
}
Variant varRet;
if(!NPN_Invoke(getNPP(), m_helper, methods.invokeFunction, args.get(), args.size(), varRet.ptr())) {
Debug::println("JsAgent::onInvokeFunction> NPN_Invoke failed");
return false;
}
return onHandleReturn(varRet);
}
bool JsAgent::onInvokeDelegate(const InvokeDelegateMessage& msg) {
Debug::println("JsAgent::onInvokeDelegate: %d", msg.targetId);
VariantArray args(msg.args.size() + 1);
NPObject* obj = getLocalObject(msg.targetId);
if(obj == NULL) {
Debug::println("JsAgent::onInvokeDelegate> getLocalObject() returned NULL");
return false;
}
int i = 0;
args[i++].set(obj);
std::list<JsValue>::const_iterator it = msg.args.begin();
std::list<JsValue>::const_iterator itEnd = msg.args.end();
for(; it != itEnd; ++it) {
const JsValue& value = *it;
wrapRemoteValue(value, args[i++]);
}
Variant varRet;
if(!NPN_Invoke(getNPP(), m_helper, methods.invokeDelegate, args.get(), args.size(), varRet.ptr())) {
Debug::println("JsAgent::onInvokeDelegate> NPN_Invoke failed");
return false;
}
return onHandleReturn(varRet);
}
bool convert_mrb_to_js_hash(mrb_state *mrb, mrb_value value, NPP npp, NPVariant *result)
{
NPObject *window;
NPN_GetValue(npp, NPNVWindowNPObject, &window);
NPVariant hash;
NPN_Invoke(npp, window, NPN_GetStringIdentifier("Object"), NULL, 0, &hash);
NPN_ReleaseObject(window);
khash_t(ht) *h = RHASH_TBL(value);
if (!h){
*result = hash;
return true;
}
NPObject *hash_obj = NPVARIANT_TO_OBJECT(hash);
for (khiter_t k=kh_begin(h); k!=kh_end(h); k++){
if (kh_exist(h, k)) {
mrb_value key = mrb_funcall(mrb, kh_key(h, k), "to_s", 0);
mrb_value val = kh_value(h, k);
NPVariant var;
if (!convert_mrb_to_js(mrb, val, npp, &var)){
NPN_ReleaseVariantValue(&hash);
return false;
}
std::string name(RSTRING_PTR(key), RSTRING_LEN(key));
NPN_SetProperty(npp, hash_obj, NPN_GetStringIdentifier(name.c_str()), &var);
}
}
*result = hash;
return true;
}
// 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::onDefineFunction(const DefineFunctionMessage& msg) {
Debug::println("JsAgent::onDefineFunction: %s", msg.name.c_str());
VariantArray args(3);
args[0].set(msg.name);
args[1].set(msg.args);
args[2].set(msg.body);
Variant varRet;
return NPN_Invoke(getNPP(), m_helper, methods.defineFunction, args.get(), args.size(), varRet.ptr());
}
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;
}
/**
* Calls the function in the reply with the reply of the function. This has to
* be done in the browser's main thread, and hence this functions
*
* @param reply - Struct containing the callback object, and the reply param.
*/
static void
jsReply (ScriptReply* reply)
{
if (reply)
{
NPVariant result;
NPN_Invoke(reply->plugin, reply->callb, NPN_GetStringIdentifier("callback"), reply->result, 1, &result);
NPN_ReleaseObject(reply->callb);
NPN_MemFree(reply->result);
free(reply);
}
}
gboolean
mmp_script_element_append_child (NPP npp, NPVariant *element, NPVariant *child)
{
gboolean success;
NPVariant result;
VOID_TO_NPVARIANT (result);
LOAD_IDENTIFIERS ();
success = NPN_Invoke (npp, NPVARIANT_TO_OBJECT (*element), id_append_child, child, 1, &result);
NPN_ReleaseVariantValue (&result);
return success;
}
NPObject* JsAgent::wrapDelegate(NPObject* obj) {
VariantArray args(1);
args[0].set(obj);
Variant varRet;
if(!NPN_Invoke(getNPP(), m_helper, methods.wrapDelegate, args.get(), args.size(), varRet.ptr()))
return NULL;
if(!varRet.isObject())
return NULL;
return NPN_RetainObject(varRet.asObject());
}
static gboolean
invoke_in_s_out_o (NPP npp, NPVariant *object, NPIdentifier method, const gchar *in_s, NPVariant *out_o)
{
NPVariant string;
STRINGZ_TO_NPVARIANT (in_s, string);
VOID_TO_NPVARIANT (*out_o);
if (!NPN_Invoke (npp, NPVARIANT_TO_OBJECT (*object), method, &string, 1, out_o) ||
!NPVARIANT_IS_OBJECT (*out_o)) {
NPN_ReleaseVariantValue (out_o);
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;
}
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;
}
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;
}
static mrb_value mrb_js_func_call(mrb_state *mrb, mrb_value self)
{
NPP npp = MRB_UD_NPP(mrb);
NPObject *func = (NPObject *)DATA_PTR(self);
if (!func){
return mrb_nil_value();
}
mrb_value *values;
int len;
mrb_get_args(mrb, "*", &values, &len);
NPVariant empty = { NPVariantType_Void, NULL };
std::vector< NPVariant > args(len + 1, empty);
bool success = true;
for (int i=0; i<len; i++){
if (!convert_mrb_to_js(mrb, values[i], npp, &args[i + 1])){
success = false;
break;
}
}
mrb_value ret = mrb_nil_value();
if (success){
NPObject *window;
NPN_GetValue(npp, NPNVWindowNPObject, &window);
NPVariant result;
OBJECT_TO_NPVARIANT(window, args[0]);
NPN_Invoke(npp, func, NPN_GetStringIdentifier("call"), &args[0], args.size(), &result);
convert_js_to_mrb(npp, result, mrb, &ret);
}
for (int i=0; i<len+1; i++){
NPN_ReleaseVariantValue(&args[i]);
}
return ret;
}
// Clear all the paramters for IECtrl::Navigate
void CPlugin::RemoveNavigateParams()
{
NPVariant vResult;
VOID_TO_NPVARIANT(vResult);
try
{
NPObject* pContainer = GetContainer();
if (!NPN_Invoke(m_pNPInstance, pContainer, GetIdentifier("removeNavigateParams"), NULL, 0, &vResult))
{
throw(CString(_T("Cannot execute window.Container.removeNavigateParams()")));
}
}
catch (const CString& strMessage)
{
UNUSED(strMessage);
TRACE(_T("[CPlugin::RemoveNavigateParams Exception] %s\n"), strMessage);
}
if (!NPVARIANT_IS_VOID(vResult)) NPN_ReleaseVariantValue(&vResult);
}
// This function is equivalent to the following JavaScript function:
// function FireEvent(strEventType, strDetail) {
// FireIEContainer.dispatchEvent(strEventType, strDetail)
// }
//
// 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)
{
// Fast event dispatching, requires helper function in container object
try
{
// FireIEContainer.dispatchEvent(strEventType, strDetail);
NPObject* pContainer = GetContainer();
NPVariant args[2];
STRINGZ_TO_NPVARIANT(CStringToNPStringCharacters(strEventType), args[0]);
STRINGZ_TO_NPVARIANT(CStringToNPStringCharacters(strDetail), args[1]);
NPVariant vSucceeded;
VOID_TO_NPVARIANT(vSucceeded);
BOOL bOK = NPN_Invoke(m_pNPInstance, pContainer, GetIdentifier("dispatchEvent"), args, 2, &vSucceeded);
for (int i = 0; i < 2; i++)
NPN_ReleaseVariantValue(&args[i]);
if (!bOK || !NPVARIANT_IS_BOOLEAN(vSucceeded))
{
NPN_ReleaseVariantValue(&vSucceeded);
throw CString(_T("Cannot invoke dispatchEvent"));
}
bool bSucceeded = NPVARIANT_TO_BOOLEAN(vSucceeded);
NPN_ReleaseVariantValue(&vSucceeded);
if (!bSucceeded)
throw CString(_T("Event dispatch failed"));
return TRUE;
}
catch (const CString& strMessage)
{
UNUSED(strMessage);
TRACE(_T("[CPlugin::FireEvent Exception] Fast event dispatching failed: %s\n"), strMessage);
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");
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;
}
int QtSignalForwarder::qt_metacall(QMetaObject::Call call, int index, void **args)
{
// no support for QObject method/properties etc!
if (!This || !This->npp || call != QMetaObject::InvokeMetaMethod
|| !This->qt.object)
return index;
switch (index) {
case -1:
{
QString msg = *(QString*)args[1];
NPN_Status(This->npp, msg.toLocal8Bit().constData());
}
break;
default:
{
QObject *qobject = This->qt.object;
if (!domNode)
NPN_GetValue(This->npp, NPNVPluginElementNPObject, &domNode);
if (!domNode)
break;
const QMetaObject *metaObject = qobject->metaObject();
if (index < metaOffset(metaObject, MetaMethod))
break;
const QMetaMethod method = metaObject->method(index);
Q_ASSERT(method.methodType() == QMetaMethod::Signal);
QByteArray signalSignature = method.signature();
QByteArray scriptFunction = signalSignature.left(signalSignature.indexOf('('));
NPIdentifier id = NPN_GetStringIdentifier(scriptFunction.constData());
if (NPN_HasMethod(This->npp, domNode, id)) {
QList<QByteArray> parameterTypes = method.parameterTypes();
QVector<NPVariant> parameters;
NPVariant result;
bool error = false;
for (int p = 0; p < parameterTypes.count(); ++p) {
QVariant::Type type = QVariant::nameToType(parameterTypes.at(p));
if (type == QVariant::Invalid) {
NPN_SetException(domNode, QByteArray("Unsupported parameter type in ") + scriptFunction);
error = true;
break;
}
QVariant qvar(type, args[p + 1]);
NPVariant npvar = NPVariant::fromQVariant(This, qvar);
if (npvar.type == NPVariant::Null || npvar.type == NPVariant::Void) {
NPN_SetException(domNode, QByteArray("Unsupported parameter value in ") + scriptFunction);
error =true;
break;
}
parameters += npvar;
}
if (error)
break;
NPError nperror = NPN_Invoke(This->npp, domNode, id, parameters.constData(), parameters.count(), &result);
if (nperror != NPERR_NO_ERROR && false) { // disabled, as NPN_Invoke seems to always return GENERICERROR
NPN_SetException(domNode, QByteArray("Error invoking event handler ") + scriptFunction);
}
// ### TODO: update return value (args[0]) (out-parameters not supported anyway)
NPN_ReleaseVariantValue(&result);
}
}
break;
}
return index;
}
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;
}
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;
}
