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/*
* Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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"
#if ENABLE(NETSCAPE_PLUGIN_API)
#include "c_utility.h"
#include "CRuntimeObject.h"
#include "JSDOMBinding.h"
#include "JSDOMWindow.h"
#include "NP_jsobject.h"
#include "c_instance.h"
#include <runtime/JSGlobalObject.h>
#include <runtime/JSLock.h>
#include "npruntime_impl.h"
#include "npruntime_priv.h"
#include "runtime_object.h"
#include "runtime_root.h"
#include <wtf/Assertions.h>
#include <wtf/text/WTFString.h>
namespace JSC { namespace Bindings {
static String convertUTF8ToUTF16WithLatin1Fallback(const NPUTF8* UTF8Chars, int UTF8Length)
{
ASSERT(UTF8Chars || UTF8Length == 0);
if (UTF8Length == -1)
UTF8Length = static_cast<int>(strlen(UTF8Chars));
String result = String::fromUTF8(UTF8Chars, UTF8Length);
// If we got back a null string indicating an unsuccessful conversion, fall back to latin 1.
// Some plugins return invalid UTF-8 in NPVariantType_String, see <http://bugs.webkit.org/show_bug.cgi?id=5163>
// There is no "bad data" for latin1. It is unlikely that the plugin was really sending text in this encoding,
// but it should have used UTF-8, and now we are simply avoiding a crash.
if (result.isNull())
result = String(UTF8Chars, UTF8Length);
return result;
}
// Variant value must be released with NPReleaseVariantValue()
void convertValueToNPVariant(ExecState* exec, JSValue value, NPVariant* result)
{
JSLockHolder lock(exec);
VOID_TO_NPVARIANT(*result);
if (value.isString()) {
String ustring = value.toString(exec)->value(exec);
CString cstring = ustring.utf8();
NPString string = { (const NPUTF8*)cstring.data(), static_cast<uint32_t>(cstring.length()) };
NPN_InitializeVariantWithStringCopy(result, &string);
} else if (value.isNumber()) {
DOUBLE_TO_NPVARIANT(value.toNumber(exec), *result);
} else if (value.isBoolean()) {
BOOLEAN_TO_NPVARIANT(value.toBoolean(exec), *result);
} else if (value.isNull()) {
NULL_TO_NPVARIANT(*result);
} else if (value.isObject()) {
JSObject* object = asObject(value);
if (object->classInfo() == &CRuntimeObject::s_info) {
CRuntimeObject* runtimeObject = static_cast<CRuntimeObject*>(object);
CInstance* instance = runtimeObject->getInternalCInstance();
if (instance) {
NPObject* obj = instance->getObject();
_NPN_RetainObject(obj);
OBJECT_TO_NPVARIANT(obj, *result);
}
} else {
JSGlobalObject* globalObject = exec->dynamicGlobalObject();
RootObject* rootObject = findRootObject(globalObject);
if (rootObject) {
NPObject* npObject = _NPN_CreateScriptObject(0, object, rootObject);
OBJECT_TO_NPVARIANT(npObject, *result);
}
}
}
}
JSValue convertNPVariantToValue(ExecState* exec, const NPVariant* variant, RootObject* rootObject)
{
JSLockHolder lock(exec);
NPVariantType type = variant->type;
if (type == NPVariantType_Bool)
return jsBoolean(NPVARIANT_TO_BOOLEAN(*variant));
if (type == NPVariantType_Null)
return jsNull();
if (type == NPVariantType_Void)
return jsUndefined();
if (type == NPVariantType_Int32)
return jsNumber(NPVARIANT_TO_INT32(*variant));
if (type == NPVariantType_Double)
return jsNumber(NPVARIANT_TO_DOUBLE(*variant));
if (type == NPVariantType_String)
return WebCore::jsStringWithCache(exec, convertNPStringToUTF16(&variant->value.stringValue));
if (type == NPVariantType_Object) {
NPObject* obj = variant->value.objectValue;
if (obj->_class == NPScriptObjectClass)
// Get JSObject from NP_JavaScriptObject.
return ((JavaScriptObject*)obj)->imp;
// Wrap NPObject in a CInstance.
return CInstance::create(obj, rootObject)->createRuntimeObject(exec);
}
return jsUndefined();
}
String convertNPStringToUTF16(const NPString* string)
{
return String::fromUTF8WithLatin1Fallback(string->UTF8Characters, string->UTF8Length);
}
Identifier identifierFromNPIdentifier(ExecState* exec, const NPUTF8* name)
{
return Identifier(exec, convertUTF8ToUTF16WithLatin1Fallback(name, -1));
}
} }
#endif // ENABLE(NETSCAPE_PLUGIN_API)
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