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Unified Diff: third_party/WebKit/Source/bindings/core/v8/NPV8Object.cpp

Issue 1483733002: Remove support for NPObjects. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 4 years, 9 months ago
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Index: third_party/WebKit/Source/bindings/core/v8/NPV8Object.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/NPV8Object.cpp b/third_party/WebKit/Source/bindings/core/v8/NPV8Object.cpp
deleted file mode 100644
index 5585cceda6ab8be64dd6218864ea71d6857161bf..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/bindings/core/v8/NPV8Object.cpp
+++ /dev/null
@@ -1,618 +0,0 @@
-/*
- * Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved.
- * Copyright (C) 2007, 2008, 2009 Google, Inc. All rights reserved.
- * Copyright (C) 2014 Opera Software ASA. All rights reserved.
- *
- * 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 "bindings/core/v8/NPV8Object.h"
-
-#include "bindings/core/v8/ScriptController.h"
-#include "bindings/core/v8/ScriptSourceCode.h"
-#include "bindings/core/v8/V8Binding.h"
-#include "bindings/core/v8/V8GCController.h"
-#include "bindings/core/v8/V8NPUtils.h"
-#include "bindings/core/v8/V8ObjectConstructor.h"
-#include "bindings/core/v8/V8ScriptRunner.h"
-#include "bindings/core/v8/WrapperTypeInfo.h"
-#include "bindings/core/v8/npruntime_impl.h"
-#include "bindings/core/v8/npruntime_priv.h"
-#include "core/frame/LocalDOMWindow.h"
-#include "core/frame/LocalFrame.h"
-#include "platform/ScriptForbiddenScope.h"
-#include "platform/UserGestureIndicator.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/StringExtras.h"
-#include "wtf/text/WTFString.h"
-#include <stdio.h>
-
-using namespace blink;
-
-namespace blink {
-
-namespace {
-
-void trace(Visitor*, ScriptWrappable*)
-{
-}
-
-} // namespace
-
-const WrapperTypeInfo* npObjectTypeInfo()
-{
- static const WrapperTypeInfo typeInfo = { gin::kEmbedderBlink, 0, 0, 0, trace, 0, 0, 0, 0, "NPObject", 0, WrapperTypeInfo::WrapperTypeObjectPrototype, WrapperTypeInfo::ObjectClassId, WrapperTypeInfo::NotInheritFromEventTarget, WrapperTypeInfo::Dependent, WrapperTypeInfo::RefCountedObject };
- return &typeInfo;
-}
-
-// FIXME: Comments on why use malloc and free.
-static NPObject* allocV8NPObject(NPP, NPClass*)
-{
- return static_cast<NPObject*>(malloc(sizeof(V8NPObject)));
-}
-
-static void freeV8NPObject(NPObject* npObject)
-{
- V8NPObject* v8NpObject = reinterpret_cast<V8NPObject*>(npObject);
- disposeUnderlyingV8Object(v8::Isolate::GetCurrent(), npObject);
- free(v8NpObject);
-}
-
-static NPClass V8NPObjectClass = {
- NP_CLASS_STRUCT_VERSION,
- allocV8NPObject,
- freeV8NPObject,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-static ScriptState* mainWorldScriptState(v8::Isolate* isolate, NPObject* npObject)
-{
- ASSERT(npObject->_class == &V8NPObjectClass);
- V8NPObject* object = reinterpret_cast<V8NPObject*>(npObject);
- LocalDOMWindow* window = object->rootObject;
- if (!window || !window->frame())
- return nullptr;
- return ScriptState::forMainWorld(window->frame());
-}
-
-static PassOwnPtr<v8::Local<v8::Value>[]> createValueListFromVariantArgs(v8::Isolate* isolate, const NPVariant* arguments, uint32_t argumentCount, NPObject* owner)
-{
- OwnPtr<v8::Local<v8::Value>[]> argv = adoptArrayPtr(new v8::Local<v8::Value>[argumentCount]);
- for (uint32_t index = 0; index < argumentCount; index++) {
- const NPVariant* arg = &arguments[index];
- argv[index] = convertNPVariantToV8Object(isolate, arg, owner);
- }
- return argv.release();
-}
-
-// Create an identifier (null terminated utf8 char*) from the NPIdentifier.
-static v8::Local<v8::String> npIdentifierToV8Identifier(v8::Isolate* isolate, NPIdentifier name)
-{
- PrivateIdentifier* identifier = static_cast<PrivateIdentifier*>(name);
- if (identifier->isString)
- return v8AtomicString(isolate, static_cast<const char*>(identifier->value.string));
-
- char buffer[32];
- snprintf(buffer, sizeof(buffer), "%d", identifier->value.number);
- return v8AtomicString(isolate, buffer);
-}
-
-NPObject* v8ObjectToNPObject(v8::Local<v8::Object> object)
-{
- return getInternalField<NPObject, v8DOMWrapperObjectIndex>(object);
-}
-
-bool isWrappedNPObject(v8::Local<v8::Object> object)
-{
- return object->InternalFieldCount() == npObjectInternalFieldCount
- && toWrapperTypeInfo(object) == npObjectTypeInfo();
-}
-
-NPObject* npCreateV8ScriptObject(v8::Isolate* isolate, NPP npp, v8::Local<v8::Object> object, LocalDOMWindow* root)
-{
- // Check to see if this object is already wrapped.
- if (isWrappedNPObject(object)) {
- NPObject* returnValue = v8ObjectToNPObject(object);
- _NPN_RetainObject(returnValue);
- return returnValue;
- }
-
- V8NPObjectVector* objectVector = 0;
- if (V8PerContextData* perContextData = V8PerContextData::from(object->CreationContext())) {
- int v8ObjectHash = object->GetIdentityHash();
- ASSERT(v8ObjectHash);
- V8NPObjectMap* v8NPObjectMap = perContextData->getV8NPObjectMap();
- V8NPObjectMap::iterator iter = v8NPObjectMap->find(v8ObjectHash);
- if (iter != v8NPObjectMap->end()) {
- V8NPObjectVector& objects = iter->value;
- for (size_t index = 0; index < objects.size(); ++index) {
- V8NPObject* v8npObject = objects.at(index);
- if (v8npObject->v8Object == object && v8npObject->rootObject == root) {
- _NPN_RetainObject(&v8npObject->object);
- return reinterpret_cast<NPObject*>(v8npObject);
- }
- }
- objectVector = &iter->value;
- } else {
- objectVector = &v8NPObjectMap->set(v8ObjectHash, V8NPObjectVector()).storedValue->value;
- }
- }
-
- V8NPObject* v8npObject = reinterpret_cast<V8NPObject*>(_NPN_CreateObject(npp, &V8NPObjectClass));
- // This is uninitialized memory, we need to clear it so that
- // Persistent::Reset won't try to Dispose anything bogus.
- new (&v8npObject->v8Object) v8::Persistent<v8::Object>();
- v8npObject->v8Object.Reset(isolate, object);
- v8npObject->rootObject = root;
-
- if (objectVector)
- objectVector->append(v8npObject);
-
- return reinterpret_cast<NPObject*>(v8npObject);
-}
-
-V8NPObject* npObjectToV8NPObject(NPObject* npObject)
-{
- if (npObject->_class != &V8NPObjectClass)
- return 0;
- V8NPObject* v8NpObject = reinterpret_cast<V8NPObject*>(npObject);
- if (v8NpObject->v8Object.IsEmpty())
- return 0;
- return v8NpObject;
-}
-
-ScriptWrappable* npObjectToScriptWrappable(NPObject* npObject)
-{
- return reinterpret_cast<ScriptWrappable*>(npObject);
-}
-
-void disposeUnderlyingV8Object(v8::Isolate* isolate, NPObject* npObject)
-{
- ASSERT(npObject);
- V8NPObject* v8NpObject = npObjectToV8NPObject(npObject);
- if (!v8NpObject)
- return;
- v8::HandleScope scope(isolate);
- v8::Local<v8::Object> v8Object = v8::Local<v8::Object>::New(isolate, v8NpObject->v8Object);
- ASSERT(!v8Object->CreationContext().IsEmpty());
- if (V8PerContextData* perContextData = V8PerContextData::from(v8Object->CreationContext())) {
- V8NPObjectMap* v8NPObjectMap = perContextData->getV8NPObjectMap();
- int v8ObjectHash = v8Object->GetIdentityHash();
- ASSERT(v8ObjectHash);
- V8NPObjectMap::iterator iter = v8NPObjectMap->find(v8ObjectHash);
- if (iter != v8NPObjectMap->end()) {
- V8NPObjectVector& objects = iter->value;
- for (size_t index = 0; index < objects.size(); ++index) {
- if (objects.at(index) == v8NpObject) {
- objects.remove(index);
- break;
- }
- }
- if (objects.isEmpty())
- v8NPObjectMap->remove(v8ObjectHash);
- }
- }
- v8NpObject->v8Object.Reset();
- v8NpObject->rootObject = 0;
-}
-
-} // namespace blink
-
-bool _NPN_Invoke(NPP npp, NPObject* npObject, NPIdentifier methodName, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result)
-{
- if (!npObject)
- return false;
-
- v8::Isolate* isolate = v8::Isolate::GetCurrent();
-
- V8NPObject* v8NpObject = npObjectToV8NPObject(npObject);
- if (!v8NpObject) {
- if (npObject->_class->invoke)
- return npObject->_class->invoke(npObject, methodName, arguments, argumentCount, result);
-
- VOID_TO_NPVARIANT(*result);
- return true;
- }
-
- PrivateIdentifier* identifier = static_cast<PrivateIdentifier*>(methodName);
- if (!identifier->isString)
- return false;
-
- if (!strcmp(identifier->value.string, "eval")) {
- if (argumentCount != 1)
- return false;
- if (arguments[0].type != NPVariantType_String)
- return false;
- return _NPN_Evaluate(npp, npObject, const_cast<NPString*>(&arguments[0].value.stringValue), result);
- }
-
- // FIXME: should use the plugin's owner frame as the security context.
- ScriptState* scriptState = mainWorldScriptState(isolate, npObject);
- if (!scriptState)
- return false;
-
- ScriptState::Scope scope(scriptState);
- v8::TryCatch tryCatch(isolate);
-
- v8::Local<v8::Object> v8Object = v8::Local<v8::Object>::New(isolate, v8NpObject->v8Object);
- v8::Local<v8::Value> functionObject;
- if (!v8Object->Get(scriptState->context(), v8AtomicString(scriptState->isolate(), identifier->value.string)).ToLocal(&functionObject) || functionObject->IsNull()) {
- NULL_TO_NPVARIANT(*result);
- return false;
- }
- if (functionObject->IsUndefined()) {
- VOID_TO_NPVARIANT(*result);
- return false;
- }
-
- LocalFrame* frame = v8NpObject->rootObject->frame();
- ASSERT(frame);
-
- // Call the function object.
- v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(functionObject);
- OwnPtr<v8::Local<v8::Value>[]> argv = createValueListFromVariantArgs(isolate, arguments, argumentCount, npObject);
- // If we had an error, return false. The spec is a little unclear here, but says "Returns true if the method was
- // successfully invoked". If we get an error return value, was that successfully invoked?
- v8::Local<v8::Value> resultObject;
- if (!frame->script().callFunction(function, v8Object, argumentCount, argv.get()).ToLocal(&resultObject))
- return false;
-
- convertV8ObjectToNPVariant(isolate, resultObject, npObject, result);
- return true;
-}
-
-// FIXME: Fix it same as _NPN_Invoke (HandleScope and such).
-bool _NPN_InvokeDefault(NPP npp, NPObject* npObject, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result)
-{
- if (!npObject)
- return false;
-
- v8::Isolate* isolate = v8::Isolate::GetCurrent();
-
- V8NPObject* v8NpObject = npObjectToV8NPObject(npObject);
- if (!v8NpObject) {
- if (npObject->_class->invokeDefault)
- return npObject->_class->invokeDefault(npObject, arguments, argumentCount, result);
-
- VOID_TO_NPVARIANT(*result);
- return true;
- }
-
- VOID_TO_NPVARIANT(*result);
-
- ScriptState* scriptState = mainWorldScriptState(isolate, npObject);
- if (!scriptState)
- return false;
-
- ScriptState::Scope scope(scriptState);
- v8::TryCatch tryCatch(isolate);
-
- // Lookup the function object and call it.
- v8::Local<v8::Object> functionObject = v8::Local<v8::Object>::New(isolate, v8NpObject->v8Object);
- if (!functionObject->IsFunction())
- return false;
-
- v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(functionObject);
- if (function->IsNull())
- return false;
-
- LocalFrame* frame = v8NpObject->rootObject->frame();
- ASSERT(frame);
-
- OwnPtr<v8::Local<v8::Value>[]> argv = createValueListFromVariantArgs(isolate, arguments, argumentCount, npObject);
- // If we had an error, return false. The spec is a little unclear here, but says "Returns true if the method was
- // successfully invoked". If we get an error return value, was that successfully invoked?
- v8::Local<v8::Value> resultObject;
- if (!frame->script().callFunction(function, functionObject, argumentCount, argv.get()).ToLocal(&resultObject))
- return false;
-
- convertV8ObjectToNPVariant(isolate, resultObject, npObject, result);
- return true;
-}
-
-bool _NPN_Evaluate(NPP npp, NPObject* npObject, NPString* npScript, NPVariant* result)
-{
- // FIXME: Give the embedder a way to control this.
- bool popupsAllowed = false;
- return _NPN_EvaluateHelper(npp, popupsAllowed, npObject, npScript, result);
-}
-
-bool _NPN_EvaluateHelper(NPP npp, bool popupsAllowed, NPObject* npObject, NPString* npScript, NPVariant* result)
-{
- VOID_TO_NPVARIANT(*result);
- if (ScriptForbiddenScope::isScriptForbidden())
- return false;
-
- if (!npObject)
- return false;
-
- V8NPObject* v8NpObject = npObjectToV8NPObject(npObject);
- if (!v8NpObject)
- return false;
-
- v8::Isolate* isolate = v8::Isolate::GetCurrent();
- ScriptState* scriptState = mainWorldScriptState(isolate, npObject);
- if (!scriptState)
- return false;
-
- ScriptState::Scope scope(scriptState);
- v8::TryCatch tryCatch(isolate);
-
- // FIXME: Is this branch still needed after switching to using UserGestureIndicator?
- String filename;
- if (!popupsAllowed)
- filename = "npscript";
-
- LocalFrame* frame = v8NpObject->rootObject->frame();
- ASSERT(frame);
-
- String script = String::fromUTF8(npScript->UTF8Characters, npScript->UTF8Length);
-
- UserGestureIndicator gestureIndicator(popupsAllowed ? DefinitelyProcessingNewUserGesture : PossiblyProcessingUserGesture);
- v8::Local<v8::Value> v8result = frame->script().executeScriptAndReturnValue(scriptState->context(), ScriptSourceCode(script, KURL(ParsedURLString, filename)));
-
- if (v8result.IsEmpty())
- return false;
-
- if (_NPN_IsAlive(npObject))
- convertV8ObjectToNPVariant(isolate, v8result, npObject, result);
- return true;
-}
-
-bool _NPN_GetProperty(NPP npp, NPObject* npObject, NPIdentifier propertyName, NPVariant* result)
-{
- if (!npObject)
- return false;
-
- if (V8NPObject* object = npObjectToV8NPObject(npObject)) {
- v8::Isolate* isolate = v8::Isolate::GetCurrent();
- ScriptState* scriptState = mainWorldScriptState(isolate, npObject);
- if (!scriptState)
- return false;
-
- ScriptState::Scope scope(scriptState);
- v8::TryCatch tryCatch(isolate);
-
- v8::Local<v8::Object> obj = v8::Local<v8::Object>::New(isolate, object->v8Object);
- v8::Local<v8::Value> v8result;
- if (!obj->Get(scriptState->context(), npIdentifierToV8Identifier(scriptState->isolate(), propertyName)).ToLocal(&v8result))
- return false;
-
- convertV8ObjectToNPVariant(isolate, v8result, npObject, result);
- return true;
- }
-
- if (npObject->_class->hasProperty && npObject->_class->getProperty) {
- if (npObject->_class->hasProperty(npObject, propertyName))
- return npObject->_class->getProperty(npObject, propertyName, result);
- }
-
- VOID_TO_NPVARIANT(*result);
- return false;
-}
-
-bool _NPN_SetProperty(NPP npp, NPObject* npObject, NPIdentifier propertyName, const NPVariant* value)
-{
- if (!npObject)
- return false;
-
- if (V8NPObject* object = npObjectToV8NPObject(npObject)) {
- v8::Isolate* isolate = v8::Isolate::GetCurrent();
- ScriptState* scriptState = mainWorldScriptState(isolate, npObject);
- if (!scriptState)
- return false;
-
- ScriptState::Scope scope(scriptState);
- v8::TryCatch tryCatch(isolate);
-
- v8::Local<v8::Object> obj = v8::Local<v8::Object>::New(isolate, object->v8Object);
- return v8CallBoolean(obj->Set(scriptState->context(), npIdentifierToV8Identifier(isolate, propertyName), convertNPVariantToV8Object(isolate, value, object->rootObject->frame()->script().windowScriptNPObject())));
- }
-
- if (npObject->_class->setProperty)
- return npObject->_class->setProperty(npObject, propertyName, value);
-
- return false;
-}
-
-bool _NPN_RemoveProperty(NPP npp, NPObject* npObject, NPIdentifier propertyName)
-{
- if (!npObject)
- return false;
-
- V8NPObject* object = npObjectToV8NPObject(npObject);
- if (!object)
- return false;
-
- v8::Isolate* isolate = v8::Isolate::GetCurrent();
- ScriptState* scriptState = mainWorldScriptState(isolate, npObject);
- if (!scriptState)
- return false;
- ScriptState::Scope scope(scriptState);
- v8::TryCatch tryCatch(isolate);
-
- v8::Local<v8::Object> obj = v8::Local<v8::Object>::New(isolate, object->v8Object);
- // FIXME: Verify that setting to undefined is right.
- return v8CallBoolean(obj->Set(scriptState->context(), npIdentifierToV8Identifier(isolate, propertyName), v8::Undefined(isolate)));
-}
-
-bool _NPN_HasProperty(NPP npp, NPObject* npObject, NPIdentifier propertyName)
-{
- if (!npObject)
- return false;
-
- if (V8NPObject* object = npObjectToV8NPObject(npObject)) {
- v8::Isolate* isolate = v8::Isolate::GetCurrent();
- ScriptState* scriptState = mainWorldScriptState(isolate, npObject);
- if (!scriptState)
- return false;
- ScriptState::Scope scope(scriptState);
- v8::TryCatch tryCatch(isolate);
-
- v8::Local<v8::Object> obj = v8::Local<v8::Object>::New(scriptState->isolate(), object->v8Object);
- return v8CallBoolean(obj->Has(scriptState->context(), npIdentifierToV8Identifier(scriptState->isolate(), propertyName)));
- }
-
- if (npObject->_class->hasProperty)
- return npObject->_class->hasProperty(npObject, propertyName);
- return false;
-}
-
-bool _NPN_HasMethod(NPP npp, NPObject* npObject, NPIdentifier methodName)
-{
- if (!npObject)
- return false;
-
- if (V8NPObject* object = npObjectToV8NPObject(npObject)) {
- v8::Isolate* isolate = v8::Isolate::GetCurrent();
- ScriptState* scriptState = mainWorldScriptState(isolate, npObject);
- if (!scriptState)
- return false;
- ScriptState::Scope scope(scriptState);
- v8::TryCatch tryCatch(isolate);
-
- v8::Local<v8::Object> obj = v8::Local<v8::Object>::New(isolate, object->v8Object);
- v8::Local<v8::Value> prop;
- if (!obj->Get(scriptState->context(), npIdentifierToV8Identifier(scriptState->isolate(), methodName)).ToLocal(&prop))
- return false;
- return prop->IsFunction();
- }
-
- if (npObject->_class->hasMethod)
- return npObject->_class->hasMethod(npObject, methodName);
- return false;
-}
-
-void _NPN_SetException(NPObject* npObject, const NPUTF8 *message)
-{
- if (!npObject || !npObjectToV8NPObject(npObject)) {
- // We won't be able to find a proper scope for this exception, so just throw it.
- // This is consistent with JSC, which throws a global exception all the time.
- V8ThrowException::throwGeneralError(v8::Isolate::GetCurrent(), message);
- return;
- }
-
- v8::Isolate* isolate = v8::Isolate::GetCurrent();
- ScriptState* scriptState = mainWorldScriptState(isolate, npObject);
- if (!scriptState)
- return;
-
- ScriptState::Scope scope(scriptState);
- v8::TryCatch tryCatch(isolate);
-
- V8ThrowException::throwGeneralError(isolate, message);
-}
-
-bool _NPN_Enumerate(NPP npp, NPObject* npObject, NPIdentifier** identifier, uint32_t* count)
-{
- if (!npObject)
- return false;
-
- if (V8NPObject* object = npObjectToV8NPObject(npObject)) {
- ScriptState* scriptState = mainWorldScriptState(v8::Isolate::GetCurrent(), npObject);
- if (!scriptState)
- return false;
- ScriptState::Scope scope(scriptState);
- v8::TryCatch tryCatch(scriptState->isolate());
-
- v8::Local<v8::Object> obj = v8::Local<v8::Object>::New(scriptState->isolate(), object->v8Object);
-
- // FIXME: http://b/issue?id=1210340: Use a v8::Object::Keys() method when it exists, instead of evaluating javascript.
-
- // FIXME: Figure out how to cache this helper function. Run a helper function that collects the properties
- // on the object into an array.
- const char enumeratorCode[] =
- "(function (obj) {"
- " var props = [];"
- " for (var prop in obj) {"
- " props[props.length] = prop;"
- " }"
- " return props;"
- "});";
- v8::Local<v8::String> source = v8AtomicString(scriptState->isolate(), enumeratorCode);
- v8::Local<v8::Value> result;
- if (!V8ScriptRunner::compileAndRunInternalScript(source, scriptState->isolate()).ToLocal(&result))
- return false;
- ASSERT(result->IsFunction());
- v8::Local<v8::Function> enumerator = v8::Local<v8::Function>::Cast(result);
- v8::Local<v8::Value> argv[] = { obj };
- v8::Local<v8::Value> propsObj;
- if (!V8ScriptRunner::callInternalFunction(enumerator, v8::Local<v8::Object>::Cast(result), WTF_ARRAY_LENGTH(argv), argv, scriptState->isolate()).ToLocal(&propsObj))
- return false;
-
- // Convert the results into an array of NPIdentifiers.
- v8::Local<v8::Array> props = v8::Local<v8::Array>::Cast(propsObj);
- *count = props->Length();
- *identifier = static_cast<NPIdentifier*>(calloc(*count, sizeof(NPIdentifier)));
- for (uint32_t i = 0; i < *count; ++i) {
- v8::Local<v8::Value> name;
- if (!props->Get(scriptState->context(), v8::Integer::New(scriptState->isolate(), i)).ToLocal(&name))
- return false;
- (*identifier)[i] = getStringIdentifier(v8::Local<v8::String>::Cast(name));
- }
- return true;
- }
-
- if (NP_CLASS_STRUCT_VERSION_HAS_ENUM(npObject->_class) && npObject->_class->enumerate)
- return npObject->_class->enumerate(npObject, identifier, count);
-
- return false;
-}
-
-bool _NPN_Construct(NPP npp, NPObject* npObject, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result)
-{
- if (!npObject)
- return false;
-
- if (V8NPObject* object = npObjectToV8NPObject(npObject)) {
- ScriptState* scriptState = mainWorldScriptState(v8::Isolate::GetCurrent(), npObject);
- if (!scriptState)
- return false;
- ScriptState::Scope scope(scriptState);
- v8::TryCatch tryCatch(scriptState->isolate());
-
- // Lookup the constructor function.
- v8::Local<v8::Object> ctorObj = v8::Local<v8::Object>::New(scriptState->isolate(), object->v8Object);
- if (!ctorObj->IsFunction())
- return false;
-
- // Call the constructor.
- v8::Local<v8::Value> resultObject;
- v8::Local<v8::Function> ctor = v8::Local<v8::Function>::Cast(ctorObj);
- if (ctor->IsNull())
- return false;
-
- LocalFrame* frame = object->rootObject->frame();
- ASSERT(frame);
- OwnPtr<v8::Local<v8::Value>[]> argv = createValueListFromVariantArgs(scriptState->isolate(), arguments, argumentCount, npObject);
- if (!V8ObjectConstructor::newInstanceInDocument(scriptState->isolate(), ctor, argumentCount, argv.get(), frame ? frame->document() : 0).ToLocal(&resultObject))
- return false;
-
- convertV8ObjectToNPVariant(scriptState->isolate(), resultObject, npObject, result);
- return true;
- }
-
- if (NP_CLASS_STRUCT_VERSION_HAS_CTOR(npObject->_class) && npObject->_class->construct)
- return npObject->_class->construct(npObject, arguments, argumentCount, result);
-
- return false;
-}
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