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// Copyright (c) 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "config.h"
#include "V8NPUtils.h"
#include "DOMWindow.h"
#include "Frame.h"
#include "PlatformString.h"
#undef LOG
#include "npruntime_priv.h"
#include "NPV8Object.h"
#include "V8NPObject.h"
#include "v8_proxy.h"
void convertV8ObjectToNPVariant(v8::Local<v8::Value> object, NPObject *owner, NPVariant* result)
{
VOID_TO_NPVARIANT(*result);
// It is really the caller's responsibility to deal with the empty handle
// case because there could be different actions to take in different
// contexts.
ASSERT(!object.IsEmpty());
if (object.IsEmpty())
return;
if (object->IsInt32())
INT32_TO_NPVARIANT(object->NumberValue(), *result);
else if (object->IsNumber())
DOUBLE_TO_NPVARIANT(object->NumberValue(), *result);
else if (object->IsBoolean())
BOOLEAN_TO_NPVARIANT(object->BooleanValue(), *result);
else if (object->IsNull())
NULL_TO_NPVARIANT(*result);
else if (object->IsUndefined())
VOID_TO_NPVARIANT(*result);
else if (object->IsString()) {
v8::String::Utf8Value utf8(object);
char* utf8_chars = strdup(*utf8);
STRINGN_TO_NPVARIANT(utf8_chars, utf8.length(), *result);
} else if (object->IsObject()) {
WebCore::DOMWindow* window = WebCore::V8Proxy::retrieveWindow();
NPObject* npobject = npCreateV8ScriptObject(0, v8::Handle<v8::Object>::Cast(object), window);
if (npobject)
_NPN_RegisterObject(npobject, owner);
OBJECT_TO_NPVARIANT(npobject, *result);
}
}
v8::Handle<v8::Value> convertNPVariantToV8Object(const NPVariant* variant, NPObject* npobject)
{
NPVariantType type = variant->type;
if (type == NPVariantType_Int32)
return v8::Integer::New(NPVARIANT_TO_INT32(*variant));
if (type == NPVariantType_Double)
return v8::Number::New(NPVARIANT_TO_DOUBLE(*variant));
if (type == NPVariantType_Bool)
return NPVARIANT_TO_BOOLEAN(*variant) ? v8::True() : v8::False();
if (type == NPVariantType_Null)
return v8::Null();
if (type == NPVariantType_Void)
return v8::Undefined();
if (type == NPVariantType_String) {
NPString src = NPVARIANT_TO_STRING(*variant);
return v8::String::New(src.UTF8Characters, src.UTF8Length);
}
if (type == NPVariantType_Object) {
NPObject* obj = NPVARIANT_TO_OBJECT(*variant);
if (obj->_class == npScriptObjectClass)
return reinterpret_cast<V8NPObject*>(obj)->v8Object;
return CreateV8ObjectForNPObject(obj, npobject);
}
return v8::Undefined();
}
// Helper function to create an NPN String Identifier from a v8 string.
NPIdentifier getStringIdentifier(v8::Handle<v8::String> str)
{
const int kStackBufSize = 100;
int bufLen = str->Length() + 1;
if (bufLen <= kStackBufSize) {
// Use local stack buffer to avoid heap allocations for small strings.
// Here we should only use the stack space for stack_buf when it's used,
// not when we use the heap.
char stackBuf[kStackBufSize];
str->WriteAscii(stackBuf);
return NPN_GetStringIdentifier(stackBuf);
}
v8::String::AsciiValue ascii(str);
return NPN_GetStringIdentifier(*ascii);
}
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