// This method is also called before the JS engine attempts to add a new
// property, most likely it's trying to check that the key is supported.
// It only returns false if the string name was not found, or does not
// hold a callable object
bool GenericNPObject::HasProperty(NPIdentifier name) {
if (invalid) return false;
if (NPNFuncs.identifierisstring(name)) {
char *key = NPNFuncs.utf8fromidentifier(name);
if (immutables.count(key) > 0) {
if (NPVARIANT_IS_OBJECT(immutables[key])) {
return (NULL == immutables[key].value.objectValue->_class->invokeDefault);
}
}
else if (alpha_mapper.count(key) > 0) {
if (NPVARIANT_IS_OBJECT(alpha_mapper[key])) {
return (NULL == alpha_mapper[key].value.objectValue->_class->invokeDefault);
}
}
return false;
}
return true;
}
static bool testEnumerate(PluginObject* obj, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
if (argCount != 2 || !NPVARIANT_IS_OBJECT(args[0]) || !NPVARIANT_IS_OBJECT(args[1]))
return false;
uint32_t count;
NPIdentifier* identifiers;
if (browser->enumerate(obj->npp, NPVARIANT_TO_OBJECT(args[0]), &identifiers, &count)) {
NPObject* outArray = NPVARIANT_TO_OBJECT(args[1]);
NPIdentifier pushIdentifier = browser->getstringidentifier("push");
for (uint32_t i = 0; i < count; i++) {
NPUTF8* string = browser->utf8fromidentifier(identifiers[i]);
if (!string)
continue;
NPVariant args[1];
STRINGZ_TO_NPVARIANT(string, args[0]);
NPVariant browserResult;
if (browser->invoke(obj->npp, outArray, pushIdentifier, args, 1, &browserResult))
browser->releasevariantvalue(&browserResult);
browser->memfree(string);
}
browser->memfree(identifiers);
}
VOID_TO_NPVARIANT(*result);
return true;
}
bool GenericNPObject::Invoke(NPIdentifier name, const NPVariant *args, uint32_t argCount, NPVariant *result) {
if (invalid) return false;
if (NPNFuncs.identifierisstring(name)) {
char *key = NPNFuncs.utf8fromidentifier(name);
if (immutables.count(key) > 0) {
if ( NPVARIANT_IS_OBJECT(immutables[key])
&& immutables[key].value.objectValue->_class->invokeDefault) {
return immutables[key].value.objectValue->_class->invokeDefault(immutables[key].value.objectValue, args, argCount, result);
}
}
else if (alpha_mapper.count(key) > 0) {
if ( NPVARIANT_IS_OBJECT(alpha_mapper[key])
&& alpha_mapper[key].value.objectValue->_class->invokeDefault) {
return alpha_mapper[key].value.objectValue->_class->invokeDefault(alpha_mapper[key].value.objectValue, args, argCount, result);
}
}
}
return true;
}
static bool objectsAreSame(PluginObject* obj, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
if (argCount != 2 || !NPVARIANT_IS_OBJECT(args[0]) || !NPVARIANT_IS_OBJECT(args[1]))
return false;
BOOLEAN_TO_NPVARIANT(NPVARIANT_TO_OBJECT(args[0]) == NPVARIANT_TO_OBJECT(args[1]), *result);
return true;
}
bool nsScriptableObjectRawInput::DeleteInstance(
NPIdentifier name,
const NPVariant *args,
uint32_t argCount,
NPVariant *result) {
if (argCount != 2 ||
!NPVARIANT_IS_DOUBLE(args[0]) ||
!NPVARIANT_IS_OBJECT(args[1])) {
NPN_SetException(this, "(DeleteInstance) invalid params passed to function");
return true;
}
int32_t id = (int32_t)(int)floor(NPVARIANT_TO_DOUBLE(args[0]) + 0.5); // all numbers come in as double in chrome...
bool foundAndDeleted = PluginMethodKeyCapture::DeleteInstance(id);
NPVariant out_args[2];
NPVariant ret_val;
BOOLEAN_TO_NPVARIANT(foundAndDeleted, out_args[0]);
INT32_TO_NPVARIANT(id, out_args[1]);
// fire callback
NPN_InvokeDefault(
__super::npp_,
NPVARIANT_TO_OBJECT(args[1]),
out_args,
2,
&ret_val);
NPN_ReleaseVariantValue(&ret_val);
return true;
}
static bool
plugin_object_set_property (NPObject *npobj,
NPIdentifier name,
const NPVariant *value)
{
PluginObject *obj;
g_return_val_if_fail (plugin_object_has_property (npobj, name), FALSE);
obj = (PluginObject*) npobj;
if (obj->listener)
funcs.releaseobject (obj->listener);
obj->listener = NULL;
if (NPVARIANT_IS_OBJECT (*value))
{
obj->listener = NPVARIANT_TO_OBJECT (*value);
funcs.retainobject (obj->listener);
return TRUE;
}
else if (NPVARIANT_IS_NULL (*value))
return TRUE;
return FALSE;
}
static bool testGetProperty(PluginObject* obj, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
if (!argCount)
return false;
NPObject* object;
browser->getvalue(obj->npp, NPNVWindowNPObject, &object);
for (uint32_t i = 0; i < argCount; i++) {
assert(NPVARIANT_IS_STRING(args[i]));
NPUTF8* propertyString = createCStringFromNPVariant(&args[i]);
NPIdentifier propertyIdentifier = browser->getstringidentifier(propertyString);
free(propertyString);
NPVariant variant;
bool retval = browser->getproperty(obj->npp, object, propertyIdentifier, &variant);
browser->releaseobject(object);
if (!retval)
break;
if (i + 1 < argCount) {
assert(NPVARIANT_IS_OBJECT(variant));
object = NPVARIANT_TO_OBJECT(variant);
} else {
*result = variant;
return true;
}
}
VOID_TO_NPVARIANT(*result);
return false;
}
static bool testCallbackReturn(PluginObject* obj, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
if (argCount != 1 || !NPVARIANT_IS_STRING(args[0]))
return false;
NPObject* windowScriptObject;
browser->getvalue(obj->npp, NPNVWindowNPObject, &windowScriptObject);
NPUTF8* callbackString = createCStringFromNPVariant(&args[0]);
NPIdentifier callbackIdentifier = browser->getstringidentifier(callbackString);
free(callbackString);
NPVariant callbackArgs[1];
OBJECT_TO_NPVARIANT(windowScriptObject, callbackArgs[0]);
NPVariant browserResult;
browser->invoke(obj->npp, windowScriptObject, callbackIdentifier,
callbackArgs, 1, &browserResult);
if (NPVARIANT_IS_OBJECT(browserResult))
OBJECT_TO_NPVARIANT(NPVARIANT_TO_OBJECT(browserResult), *result);
else {
browser->releasevariantvalue(&browserResult);
VOID_TO_NPVARIANT(*result);
}
return true;
}
bool nsScriptableObjectOverwolfSample::Add(
NPIdentifier name,
const NPVariant *args,
uint32_t argCount,
NPVariant *result) {
if (argCount < 3 ||
!NPVARIANT_IS_DOUBLE(args[0]) ||
!NPVARIANT_IS_DOUBLE(args[1]) ||
!NPVARIANT_IS_OBJECT(args[2])) {
NPN_SetException(this, "invalid params passed to function");
return true;
}
// add ref count to callback object so it won't delete
NPN_RetainObject(NPVARIANT_TO_OBJECT(args[2]));
// post to separate thread so that we are responsive
return thread_->PostTask(
std::bind(
&nsScriptableObjectOverwolfSample::AddTask,
this,
NPVARIANT_TO_DOUBLE(args[0]),
NPVARIANT_TO_DOUBLE(args[1]),
NPVARIANT_TO_OBJECT(args[2])));
}
bool doSign(PluginInstance *obj, NPVariant *args, unsigned argCount, NPVariant *result) {
EstEID_log("obj=%p, name=sign argCount=%u", obj, argCount);
FAIL_IF_NOT_ALLOWED_SITE;
if (argCount < 2) {
browserFunctions->setexception(&obj->header, "Missing arguments");
return false;
}
if(argCount > 2 && NPVARIANT_IS_OBJECT(args[2])){
strncpy(pluginLanguage, getLanguageFromOptions(obj, args[2]), 2);
}
EstEID_setLocale(pluginLanguage);
void* wnd = getNativeWindowHandle(obj);
EstEID_PINPromptData pinPromptData = {promptForPIN, showAlert, wnd};
NPUTF8* certId = createStringFromNPVariant(&args[0]);
NPUTF8* hash = createStringFromNPVariant(&args[1]);
char *signature = NULL;
#ifdef _WIN32
DialogData dialogData;
dialogData.pin2[0] = '\0';
dialogData.minPin2Length = 5;
dialogData.certId = certId;
dialogData.hash = hash;
dialogData.signature[0] = '\0';
CK_SLOT_ID slotId;
if(EstEID_getSlotId(certId, &slotId)){
if(EstEID_isPinPad(slotId)) {
signature = EstEID_sign(certId, hash, pinPromptData);
}
else {
DialogBoxParam(pluginInstance, MAKEINTRESOURCEW(IDD_PIN_DIALOG), (HWND)wnd, Pin2DialogProc, (LPARAM)&dialogData);
LOG_LOCATION;
signature = (char*)malloc(SIGNATURE_BUFFER_SIZE); // check?
strcpy(signature, dialogData.signature);
}
}
else {
return false;
}
#else
signature = EstEID_sign(certId, hash, pinPromptData);
#endif
LOG_LOCATION
if (signature) {
copyStringToNPVariant(signature, result);
free(signature);
return true;
}
else {
EstEID_log("EstEID_error=%s", EstEID_error);
browserFunctions->setexception(&obj->header, EstEID_error);
return false;
}
}
static NPObject *get_scroller_mojo(NPP instance, NPObject *scroller)
{
if(!scroller)
{
debug(DBG_MAIN, "get_scroller_mojo: no scroller");
return 0;
}
//debug(DBG_MAIN, "get_scroller_mojo");
NPIdentifier mojoID = NPNFuncs.getstringidentifier("mojo");
//debug(DBG_MAIN, "get_scroller_mojo npp:%p, scroller:%p, id:%p", instance, scroller, mojoID);
if(!NPNFuncs.hasproperty(instance, scroller, mojoID) && !NPNFuncs.hasmethod(instance, scroller, mojoID))
{
debug(DBG_MAIN, "get_scroller_mojo: no property/method mojo");
return 0;
}
NPVariant var;
int ok = NPNFuncs.getproperty(instance, scroller, mojoID, &var);
if(!ok || !NPVARIANT_IS_OBJECT(var))
{
debug(DBG_MAIN, "get_scroller_mojo: ok:%d, mojo - var.type:%d (not object)", ok, var.type);
return 0;
}
//debug(DBG_MAIN, "get_scroller_mojo");
NPObject *mojoObj = NPVARIANT_TO_OBJECT(var);
return mojoObj;
}
int getScrollPosition(NPP instance, NPObject *scroller)
{
NPVariant var;
//var.type = NPVariantType_Void;
scrollCommon(instance, scroller, "getScrollPosition", 0, 0, &var);
NPObject *obj = NPVARIANT_TO_OBJECT(var);
if(!NPVARIANT_IS_OBJECT(var) || !obj)
{
debug(DBG_MAIN, "getScrollPosition() expected obj, got %d (obj:%p)", var.type, obj);
return -1;
}
// Get the current position of the scroller. Returns {left: nnn px, top: nnn px}
NPIdentifier id = NPNFuncs.getstringidentifier("top");
//debug(DBG_MAIN, "getScrollPosition()");
if(!NPNFuncs.hasproperty(instance, obj, id) && !NPNFuncs.hasmethod(instance, obj, id))
{
debug(DBG_MAIN, "getScrollPosition: no property/method: top, obj:%p", obj);
return -2;
}
#ifdef DEBUG_OUTPUT
bool ok =
#endif
NPNFuncs.getproperty(instance, obj, id, &var);
int val = IntValue(&var);
debug(DBG_MAIN, "getScrollPosition() %s val:%d, type:%d", ok ? "OK" : "ERROR", val, var.type);
//if(NPVARIANT_IS_DOUBLE(var))
// debug(DBG_MAIN, "+++++ getScrollPosition() = double:%g", NPVARIANT_TO_DOUBLE(var));
//else if(NPVARIANT_IS_INT32(var))
// debug(DBG_MAIN, "----- getScrollPosition() = int:%d", NPVARIANT_TO_INT32(var));
return val;
}
static bool testConstruct(PluginObject* obj, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
if (!argCount || !NPVARIANT_IS_OBJECT(args[0]))
return false;
return browser->construct(obj->npp, NPVARIANT_TO_OBJECT(args[0]), args + 1, argCount - 1, result);
}
static bool CopyNPVariant(NPVariant *dst, const NPVariant *src)
{
dst->type = src->type;
if (NPVARIANT_IS_STRING(*src)) {
NPUTF8 *str = (NPUTF8 *)NPNFuncs.memalloc((src->value.stringValue.UTF8Length + 1) * sizeof(NPUTF8));
if (NULL == str) {
return false;
}
dst->value.stringValue.UTF8Length = src->value.stringValue.UTF8Length;
memcpy(str, src->value.stringValue.UTF8Characters, src->value.stringValue.UTF8Length);
str[dst->value.stringValue.UTF8Length] = 0;
dst->value.stringValue.UTF8Characters = str;
}
else if (NPVARIANT_IS_OBJECT(*src)) {
NPNFuncs.retainobject(NPVARIANT_TO_OBJECT(*src));
dst->value.objectValue = src->value.objectValue;
}
else {
dst->value = src->value;
}
return true;
}
bool nsScriptableObjectOverwolfSample::Echo(
NPIdentifier name,
const NPVariant *args,
uint32_t argCount,
NPVariant *result) {
if (argCount < 2 ||
!NPVARIANT_IS_STRING(args[0]) ||
!NPVARIANT_IS_OBJECT(args[1])) {
NPN_SetException(this, "invalid params passed to function");
return true;
}
// add ref count to callback object so it won't delete
NPN_RetainObject(NPVARIANT_TO_OBJECT(args[1]));
// convert into std::string
std::string message;
message.append(
NPVARIANT_TO_STRING(args[0]).UTF8Characters,
NPVARIANT_TO_STRING(args[0]).UTF8Length);
// post to separate thread so that we are responsive
return thread_->PostTask(
std::bind(
&nsScriptableObjectOverwolfSample::EchoTask,
this,
message,
NPVARIANT_TO_OBJECT(args[1])));
}
bool CJSMethods::GetLanguage(ChromeTrayIconLanguage &language)
{
if(m_pScriptableObject == NULL)
{
return false;
}
NPP pluginInstance = m_pScriptableObject->GetPluginInstance();
NPNetscapeFuncs *pBrowserFuncs = m_pScriptableObject->GetBrowserFuncs();
if(pluginInstance == NULL || pBrowserFuncs == NULL)
{
return false;
}
NPVariant varResults;
NPVariant varArgs;
bool bResult = CallJSMethod(pBrowserFuncs, pluginInstance, "getLanguage", &varArgs, 0, varResults);
if(bResult)
{
if(NPVARIANT_IS_OBJECT(varResults))
{
NPObject *pArray = NPVARIANT_TO_OBJECT(varResults);
if(pArray != NULL)
{
wstring strValue;
if(CJSValue::GetProperty(pBrowserFuncs, pluginInstance, pArray, "lngOptions", strValue))
{
language.strOptions = strValue;
}
if(CJSValue::GetProperty(pBrowserFuncs, pluginInstance, pArray, "lngNewTab", strValue))
{
language.strNewTab = strValue;
}
if(CJSValue::GetProperty(pBrowserFuncs, pluginInstance, pArray, "lngNewWindow", strValue))
{
language.strNewWindow = strValue;
}
if(CJSValue::GetProperty(pBrowserFuncs, pluginInstance, pArray, "lngFavorites", strValue))
{
language.strFavorites = strValue;
}
}
}
}
pBrowserFuncs->releasevariantvalue(&varArgs);
pBrowserFuncs->releasevariantvalue(&varResults);
return bResult;
}
void DeferNPVariantLastRelease(const NPNetscapeFuncs* f, NPVariant* v)
{
if (!NPVARIANT_IS_OBJECT(*v)) {
f->releasevariantvalue(v);
return;
}
DeferNPObjectLastRelease(f, v->value.objectValue);
VOID_TO_NPVARIANT(*v);
}
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 PluginMethodListenOnFile::ExecuteListenOnFile(
const NPVariant *args,
uint32_t argCount,
NPVariant *result) {
std::string filename;
bool skip_to_end = false;
try {
if (argCount < 3 ||
!NPVARIANT_IS_STRING(args[0]) ||
!NPVARIANT_IS_BOOLEAN(args[1]) ||
!NPVARIANT_IS_OBJECT(args[2])) {
NPN_SetException(
object_,
"invalid or missing params passed to function - expecting 3 params: "
"filename, skipToEnd, callback(status, data)");
return false;
}
callback_ = NPVARIANT_TO_OBJECT(args[2]);
skip_to_end = NPVARIANT_TO_BOOLEAN(args[1]);
// add ref count to callback object so it won't delete
NPN_RetainObject(callback_);
filename.append(
NPVARIANT_TO_STRING(args[0]).UTF8Characters,
NPVARIANT_TO_STRING(args[0]).UTF8Length);
} catch(...) {
}
if (nullptr == thread_.get()) {
thread_.reset(new utils::Thread);
if (!thread_->Start()) {
NPN_SetException(
__super::object_,
"an unexpected error occurred - couldn't start file listening thread");
return false;
}
}
std::wstring wide_filename = utils::Encoders::utf8_decode(filename);
if (!file_stream_.Initialize(wide_filename.c_str(), this, skip_to_end)) {
NPN_SetException(
__super::object_,
"an unexpected error occurred - couldn't open the file for read access");
return false;
}
return thread_->PostTask(
std::bind(
&PluginMethodListenOnFile::StartListening,
this));
}
static bool
plugin_object_set_callback (NPObject **listener,
const NPVariant *value)
{
if (!NPVARIANT_IS_OBJECT (*value) && !NPVARIANT_IS_NULL (*value))
return FALSE;
if (*listener)
funcs.releaseobject (*listener);
*listener = NULL;
if (NPVARIANT_IS_OBJECT (*value))
{
*listener = NPVARIANT_TO_OBJECT (*value);
funcs.retainobject (*listener);
}
return TRUE;
}
bool JsAgent::onLoad(const NPVariant* args, unsigned argCount) {
Debug::println("JsAgent::onLoad");
if(argCount != 4) {
Debug::println("JsAgent::onLoad> argCount != 4");
return false;
}
if( !NPVARIANT_IS_OBJECT(args[0]) ||
!NPVARIANT_IS_STRING(args[1]) ||
!NPVARIANT_IS_INT32(args[2]) ||
!NPVARIANT_IS_STRING(args[3]) ) {
Debug::println("JsAgent::onLoad> arg types wrong");
return false;
}
NPObject* pObject = NPVARIANT_TO_OBJECT(args[0]);
m_helper = NPN_RetainObject(pObject);
NPObject* pDebug = NPN_CreateObject(getNPP(), GetNPClass<JsDebug>());
NPN_RetainObject(pDebug);
Variant var;
var.set(pDebug);
if(!NPN_SetProperty(getNPP(), m_window, methods.debug, var.ptr())) {
Debug::println("JsAgent::onLoad> set property failed");
return false;
}
NPString npstr = NPVARIANT_TO_STRING(args[1]);
std::string host(npstr.UTF8Characters, npstr.UTF8Length);
int port = NPVARIANT_TO_INT32(args[2]);
npstr = NPVARIANT_TO_STRING(args[3]);
std::string typeName(npstr.UTF8Characters, npstr.UTF8Length);
if(!m_channel->connect(host.c_str(), port)) {
Debug::println("JsAgent::onLoad> could not connect");
return false;
}
LoadMessage msg;
msg.typeName = typeName;
ArchiveWriter<Channel> ar(*m_channel);
if(!Message::send(msg, ar)) {
Debug::println("JsAgent::onLoad> send failed");
return false;
}
JsValue ret;
return dispatchAndReturn(ret);
}
bool doSign(PluginInstance *obj, NPVariant *args, unsigned argCount, NPVariant *result) {
EstEID_log("obj=%p, name=sign argCount=%u", obj, argCount);
FAIL_IF_NOT_ALLOWED_SITE;
if (argCount < 2) {
browserFunctions->setexception(&obj->header, "Missing arguments");
return false;
}
if(argCount > 2 && NPVARIANT_IS_OBJECT(args[2])){
strncpy(pluginLanguage, getLanguageFromOptions(obj, args[2]), 2);
}
EstEID_setLocale(pluginLanguage);
if(argCount > 3 && NPVARIANT_IS_OBJECT(args[3])){
strcpy(promptMessage, createStringFromNPVariant(args[3]));
}
void* wnd = getNativeWindowHandle(obj);
EstEID_PINPromptData pinPromptData = {promptForPIN, showAlert, wnd, promptMessage, NULL};
NPUTF8* certId = createStringFromNPVariant(&args[0]);
NPUTF8* hash = createStringFromNPVariant(&args[1]);
char *signature = NULL;
signature = EstEID_sign(certId, hash, pinPromptData);
LOG_LOCATION
if (signature) {
copyStringToNPVariant(signature, result);
free(signature);
return true;
}
else {
EstEID_log("EstEID_error=%s", EstEID_error);
browserFunctions->setexception(&obj->header, EstEID_error);
return false;
}
}
// Invoke a script callback to get a script NPObject. Then call a method on the
// script NPObject passing it a freshly created NPObject.
static bool testScriptObjectInvoke(PluginObject* obj, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
if (argCount != 2 || !NPVARIANT_IS_STRING(args[0]) || !NPVARIANT_IS_STRING(args[1]))
return false;
NPObject* windowScriptObject;
browser->getvalue(obj->npp, NPNVWindowNPObject, &windowScriptObject);
// Arg1 is the name of the callback
NPUTF8* callbackString = createCStringFromNPVariant(&args[0]);
NPIdentifier callbackIdentifier = browser->getstringidentifier(callbackString);
free(callbackString);
// Invoke a callback that returns a script object
NPVariant object_result;
browser->invoke(obj->npp, windowScriptObject, callbackIdentifier, &args[1], 1, &object_result);
// Script object returned
NPObject* script_object = object_result.value.objectValue;
// Arg2 is the name of the method to be called on the script object
NPUTF8* object_mehod_string = createCStringFromNPVariant(&args[1]);
NPIdentifier object_method = browser->getstringidentifier(object_mehod_string);
free(object_mehod_string);
// Create a fresh NPObject to be passed as an argument
NPObject* object_arg = browser->createobject(obj->npp, &pluginClass);
NPVariant invoke_args[1];
OBJECT_TO_NPVARIANT(object_arg, invoke_args[0]);
// Invoke the script method
NPVariant object_method_result;
browser->invoke(obj->npp, script_object, object_method, invoke_args, 1, &object_method_result);
browser->releasevariantvalue(&object_result);
VOID_TO_NPVARIANT(*result);
if (NPVARIANT_IS_OBJECT(object_method_result)) {
// Now return the callbacks return value back to our caller.
// BUG 897451: This should be the same as the
// windowScriptObject, but its not (in Chrome) - or at least, it
// has a different refcount. This means Chrome will delete the
// object before returning it and the calling JS gets a garbage
// value. Firefox handles it fine.
OBJECT_TO_NPVARIANT(NPVARIANT_TO_OBJECT(object_method_result), *result);
} else {
browser->releasevariantvalue(&object_method_result);
VOID_TO_NPVARIANT(*result);
}
browser->releaseobject(object_arg);
return true;
}
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;
}
static bool testHasMethod(PluginObject* obj, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
if (argCount != 2 || !NPVARIANT_IS_OBJECT(args[0]) || !NPVARIANT_IS_STRING(args[1]))
return false;
NPUTF8* propertyString = createCStringFromNPVariant(&args[1]);
NPIdentifier propertyIdentifier = browser->getstringidentifier(propertyString);
free(propertyString);
bool retval = browser->hasmethod(obj->npp, NPVARIANT_TO_OBJECT(args[0]), propertyIdentifier);
BOOLEAN_TO_NPVARIANT(retval, *result);
return true;
}
static
void
topmost_rect_ptac(void *param)
{
struct topmost_rect_param_s *p = param;
struct pp_instance_s *pp_i = tables_get_pp_instance(p->instance);
if (!pp_i) {
trace_error("%s, no instance\n", __func__);
goto err_1;
}
p->result = PP_FALSE;
NPString topmost_func_src = NPString_literal(
"(function(elem, x, y) {"
"var r = elem.getBoundingClientRect();"
"return document.elementFromPoint(x + r.left, y + r.top) == elem;"
"})");
NPVariant topmost_func;
if (!npn.evaluate(pp_i->npp, pp_i->np_window_obj, &topmost_func_src, &topmost_func))
goto err_1;
if (!NPVARIANT_IS_OBJECT(topmost_func))
goto err_1;
NPObject *topmost_func_obj = NPVARIANT_TO_OBJECT(topmost_func);
NPVariant is_topmost;
NPVariant args[3];
OBJECT_TO_NPVARIANT(pp_i->np_plugin_element_obj, args[0]);
INT32_TO_NPVARIANT(p->rect.point.x + p->rect.size.width / 2, args[1]);
INT32_TO_NPVARIANT(p->rect.point.y + p->rect.size.height / 2, args[2]);
if (!npn.invokeDefault(pp_i->npp, topmost_func_obj, args, 3, &is_topmost))
goto err_2;
if (!NPVARIANT_IS_BOOLEAN(is_topmost))
goto err_3;
p->result = NPVARIANT_TO_BOOLEAN(is_topmost);
err_3:
npn.releasevariantvalue(&is_topmost);
err_2:
npn.releasevariantvalue(&topmost_func);
err_1:
ppb_message_loop_post_quit_depth(p->m_loop, PP_FALSE, p->depth);
}
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;
}
ObjectManager* ObjectManager::GetManager(NPP npp) {
NPObjectProxy window;
NPNFuncs.getvalue(npp, NPNVWindowNPObject, &window);
NPVariantProxy document, obj;
NPVariant par;
STRINGZ_TO_NPVARIANT(MANAGER_OBJECT_ID, par);
if (!NPNFuncs.getproperty(npp, window, NPNFuncs.getstringidentifier("document"), &document))
return NULL;
if (!NPNFuncs.invoke(npp, document.value.objectValue, NPNFuncs.getstringidentifier("getElementById"), &par, 1, &obj))
return NULL;
if (NPVARIANT_IS_OBJECT(obj)) {
NPObject *manager = NPVARIANT_TO_OBJECT(obj);
CHost *host = GetInternalObject(npp, manager);
if (host)
return dynamic_cast<ObjectManager*>(host);
}
return NULL;
}
bool InvokeJavascript_TwoArgs(NPObject *npobj, const char *methodName, const NPVariant &arg1, const NPVariant &arg2, NPVariant *&result) {
bool success = false;
if (!strcmp(methodName, "saveTextFile") && NPVARIANT_IS_STRING(arg1) && NPVARIANT_IS_STRING(arg2)) {
const char *filename = stringFromNpVariant(arg1);
const char *contents = stringFromNpVariant(arg2);
success = saveText(filename, contents, arg2.value.stringValue.UTF8Length);
delete[] contents;
delete[] filename;
} else if (!strcmp(methodName, "saveBinaryFile") && NPVARIANT_IS_STRING(arg1) && NPVARIANT_IS_OBJECT(arg2)) {
const char *filename = stringFromNpVariant(arg1);
size_t length;
const char *bytes = byteArrayFromNpVariant(arg2, GetInstance(npobj), length);
success = saveBinaryFile(filename, bytes, length);
delete[] bytes;
delete[] filename;
}
return success;
}
static bool testInvokeDefault(PluginObject* obj, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
if (!NPVARIANT_IS_OBJECT(args[0]))
return false;
NPObject* callback = NPVARIANT_TO_OBJECT(args[0]);
NPVariant invokeArgs[1];
NPVariant browserResult;
STRINGZ_TO_NPVARIANT("test", invokeArgs[0]);
bool retval = browser->invokeDefault(obj->npp, callback, invokeArgs, 1, &browserResult);
if (retval)
browser->releasevariantvalue(&browserResult);
BOOLEAN_TO_NPVARIANT(retval, *result);
return true;
}