JsAgent::MethodIds::MethodIds()
: onLoad(NPN_GetStringIdentifier("onLoad"))
, onUnload(NPN_GetStringIdentifier("onUnload"))
, toString(NPN_GetStringIdentifier("toString"))
, defineFunction(NPN_GetStringIdentifier("defineFunction"))
, invokeFunction(NPN_GetStringIdentifier("invokeFunction"))
, invokeDelegate(NPN_GetStringIdentifier("invokeDelegate"))
, wrapDelegate(NPN_GetStringIdentifier("wrapDelegate"))
, length(NPN_GetStringIdentifier("length"))
, debug(NPN_GetStringIdentifier("debug"))
, createArgs(NPN_GetStringIdentifier("createArgs"))
, index0(NPN_GetIntIdentifier(0))
, index1(NPN_GetIntIdentifier(1))
{}
NPIdentifier
int32VariantToIdentifier(NPVariant variant)
{
assert(NPVARIANT_IS_INT32(variant));
int32_t integer = NPVARIANT_TO_INT32(variant);
return NPN_GetIntIdentifier(integer);
}
NPIdentifier doubleVariantToIdentifier(NPVariant variant) {
assert(NPVARIANT_IS_DOUBLE(variant));
double value = NPVARIANT_TO_DOUBLE(variant);
// sadly there is no "getdoubleidentifier"
int32_t integer = static_cast<int32_t>(value);
return NPN_GetIntIdentifier(integer);
}
// 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;
}
}
}
}
NPIdentifier integerToIdentifier( size_t integer )
{
static IntegerToIdentifierMap integerToIdentifierMap;
IntegerToIdentifierMap::const_iterator it = integerToIdentifierMap.find( integer );
if ( it == integerToIdentifierMap.end() )
{
NPIdentifier identifier = NPN_GetIntIdentifier( integer );
FABRIC_ASSERT( identifier );
it = integerToIdentifierMap.insert( IntegerToIdentifierMap::value_type( integer, identifier ) ).first;
}
return it->second;
}
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;
}
