--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bridge/NP_jsobject.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,533 @@
+/*
+ * Copyright (C) 2004, 2006 Apple Computer, 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:
+ * 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 "NP_jsobject.h"
+
+#include "PlatformString.h"
+#include "PluginView.h"
+#include "StringSourceProvider.h"
+#include "c_utility.h"
+#include "c_instance.h"
+#include "IdentifierRep.h"
+#include "JSDOMBinding.h"
+#include "npruntime_impl.h"
+#include "npruntime_priv.h"
+#include "runtime_root.h"
+#include <runtime/Error.h>
+#include <runtime/JSGlobalObject.h>
+#include <runtime/JSLock.h>
+#include <runtime/PropertyNameArray.h>
+#include <parser/SourceCode.h>
+#include <runtime/Completion.h>
+#include <runtime/Completion.h>
+
+using namespace JSC;
+using namespace JSC::Bindings;
+using namespace WebCore;
+
+class ObjectMap {
+public:
+ NPObject* get(RootObject* rootObject, JSObject* jsObject)
+ {
+ return m_map.get(rootObject).get(jsObject);
+ }
+
+ void add(RootObject* rootObject, JSObject* jsObject, NPObject* npObject)
+ {
+ HashMap<RootObject*, JSToNPObjectMap>::iterator iter = m_map.find(rootObject);
+ if (iter == m_map.end()) {
+ rootObject->addInvalidationCallback(&m_invalidationCallback);
+ iter = m_map.add(rootObject, JSToNPObjectMap()).first;
+ }
+
+ ASSERT(iter->second.find(jsObject) == iter->second.end());
+ iter->second.add(jsObject, npObject);
+ }
+
+ void remove(RootObject* rootObject)
+ {
+ HashMap<RootObject*, JSToNPObjectMap>::iterator iter = m_map.find(rootObject);
+ ASSERT(iter != m_map.end());
+ m_map.remove(iter);
+ }
+
+ void remove(RootObject* rootObject, JSObject* jsObject)
+ {
+ HashMap<RootObject*, JSToNPObjectMap>::iterator iter = m_map.find(rootObject);
+ ASSERT(iter != m_map.end());
+ ASSERT(iter->second.find(jsObject) != iter->second.end());
+
+ iter->second.remove(jsObject);
+ }
+
+private:
+ struct RootObjectInvalidationCallback : public RootObject::InvalidationCallback {
+ virtual void operator()(RootObject*);
+ };
+ RootObjectInvalidationCallback m_invalidationCallback;
+
+ // JSObjects are protected by RootObject.
+ typedef HashMap<JSObject*, NPObject*> JSToNPObjectMap;
+ HashMap<RootObject*, JSToNPObjectMap> m_map;
+};
+
+
+static ObjectMap& objectMap()
+{
+ DEFINE_STATIC_LOCAL(ObjectMap, map, ());
+ return map;
+}
+
+void ObjectMap::RootObjectInvalidationCallback::operator()(RootObject* rootObject)
+{
+ objectMap().remove(rootObject);
+}
+
+static void getListFromVariantArgs(ExecState* exec, const NPVariant* args, unsigned argCount, RootObject* rootObject, MarkedArgumentBuffer& aList)
+{
+ for (unsigned i = 0; i < argCount; ++i)
+ aList.append(convertNPVariantToValue(exec, &args[i], rootObject));
+}
+
+static NPObject* jsAllocate(NPP, NPClass*)
+{
+ return static_cast<NPObject*>(malloc(sizeof(JavaScriptObject)));
+}
+
+static void jsDeallocate(NPObject* npObj)
+{
+ JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(npObj);
+
+ if (obj->rootObject && obj->rootObject->isValid()) {
+ objectMap().remove(obj->rootObject, obj->imp);
+ obj->rootObject->gcUnprotect(obj->imp);
+ }
+
+ if (obj->rootObject)
+ obj->rootObject->deref();
+
+ free(obj);
+}
+
+static NPClass javascriptClass = { 1, jsAllocate, jsDeallocate, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+static NPClass noScriptClass = { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+
+NPClass* NPScriptObjectClass = &javascriptClass;
+static NPClass* NPNoScriptObjectClass = &noScriptClass;
+
+NPObject* _NPN_CreateScriptObject(NPP npp, JSObject* imp, PassRefPtr<RootObject> rootObject)
+{
+ if (NPObject* object = objectMap().get(rootObject.get(), imp))
+ return _NPN_RetainObject(object);
+
+ JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(_NPN_CreateObject(npp, NPScriptObjectClass));
+
+ obj->rootObject = rootObject.releaseRef();
+
+ if (obj->rootObject) {
+ obj->rootObject->gcProtect(imp);
+ objectMap().add(obj->rootObject, imp, reinterpret_cast<NPObject*>(obj));
+ }
+
+ obj->imp = imp;
+
+ return reinterpret_cast<NPObject*>(obj);
+}
+
+NPObject* _NPN_CreateNoScriptObject(void)
+{
+ return _NPN_CreateObject(0, NPNoScriptObjectClass);
+}
+
+bool _NPN_InvokeDefault(NPP, NPObject* o, const NPVariant* args, uint32_t argCount, NPVariant* result)
+{
+ if (o->_class == NPScriptObjectClass) {
+ JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
+
+ VOID_TO_NPVARIANT(*result);
+
+ // Lookup the function object.
+ RootObject* rootObject = obj->rootObject;
+ if (!rootObject || !rootObject->isValid())
+ return false;
+
+ ExecState* exec = rootObject->globalObject()->globalExec();
+ JSLock lock(SilenceAssertionsOnly);
+
+ // Call the function object.
+ JSValue function = obj->imp;
+ CallData callData;
+ CallType callType = getCallData(function, callData);
+ if (callType == CallTypeNone)
+ return false;
+
+ MarkedArgumentBuffer argList;
+ getListFromVariantArgs(exec, args, argCount, rootObject, argList);
+ ProtectedPtr<JSGlobalObject> globalObject = rootObject->globalObject();
+ globalObject->globalData()->timeoutChecker.start();
+ JSValue resultV = JSC::call(exec, function, callType, callData, function, argList);
+ globalObject->globalData()->timeoutChecker.stop();
+
+ // Convert and return the result of the function call.
+ convertValueToNPVariant(exec, resultV, result);
+ exec->clearException();
+ return true;
+ }
+
+ if (o->_class->invokeDefault)
+ return o->_class->invokeDefault(o, args, argCount, result);
+ VOID_TO_NPVARIANT(*result);
+ return true;
+}
+
+bool _NPN_Invoke(NPP npp, NPObject* o, NPIdentifier methodName, const NPVariant* args, uint32_t argCount, NPVariant* result)
+{
+ if (o->_class == NPScriptObjectClass) {
+ JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
+
+ IdentifierRep* i = static_cast<IdentifierRep*>(methodName);
+ if (!i->isString())
+ return false;
+
+ // Special case the "eval" method.
+ if (methodName == _NPN_GetStringIdentifier("eval")) {
+ if (argCount != 1)
+ return false;
+ if (args[0].type != NPVariantType_String)
+ return false;
+ return _NPN_Evaluate(npp, o, const_cast<NPString*>(&args[0].value.stringValue), result);
+ }
+
+ // Look up the function object.
+ RootObject* rootObject = obj->rootObject;
+ if (!rootObject || !rootObject->isValid())
+ return false;
+ ExecState* exec = rootObject->globalObject()->globalExec();
+ JSLock lock(SilenceAssertionsOnly);
+ JSValue function = obj->imp->get(exec, identifierFromNPIdentifier(exec, i->string()));
+ CallData callData;
+ CallType callType = getCallData(function, callData);
+ if (callType == CallTypeNone)
+ return false;
+
+ // Call the function object.
+ MarkedArgumentBuffer argList;
+ getListFromVariantArgs(exec, args, argCount, rootObject, argList);
+ ProtectedPtr<JSGlobalObject> globalObject = rootObject->globalObject();
+ globalObject->globalData()->timeoutChecker.start();
+ JSValue resultV = JSC::call(exec, function, callType, callData, obj->imp, argList);
+ globalObject->globalData()->timeoutChecker.stop();
+
+ // Convert and return the result of the function call.
+ convertValueToNPVariant(exec, resultV, result);
+ exec->clearException();
+ return true;
+ }
+
+ if (o->_class->invoke)
+ return o->_class->invoke(o, methodName, args, argCount, result);
+
+ VOID_TO_NPVARIANT(*result);
+ return true;
+}
+
+bool _NPN_Evaluate(NPP instance, NPObject* o, NPString* s, NPVariant* variant)
+{
+ if (o->_class == NPScriptObjectClass) {
+ JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
+
+ RootObject* rootObject = obj->rootObject;
+ if (!rootObject || !rootObject->isValid())
+ return false;
+
+ // There is a crash in Flash when evaluating a script that destroys the
+ // PluginView, so we destroy it asynchronously.
+ PluginView::keepAlive(instance);
+
+ ExecState* exec = rootObject->globalObject()->globalExec();
+ JSLock lock(SilenceAssertionsOnly);
+ String scriptString = convertNPStringToUTF16(s);
+ ProtectedPtr<JSGlobalObject> globalObject = rootObject->globalObject();
+ globalObject->globalData()->timeoutChecker.start();
+ Completion completion = JSC::evaluate(globalObject->globalExec(), globalObject->globalScopeChain(), makeSource(scriptString), JSC::JSValue());
+ globalObject->globalData()->timeoutChecker.stop();
+ ComplType type = completion.complType();
+
+ JSValue result;
+ if (type == Normal) {
+ result = completion.value();
+ if (!result)
+ result = jsUndefined();
+ } else
+ result = jsUndefined();
+
+ convertValueToNPVariant(exec, result, variant);
+ exec->clearException();
+ return true;
+ }
+
+ VOID_TO_NPVARIANT(*variant);
+ return false;
+}
+
+bool _NPN_GetProperty(NPP, NPObject* o, NPIdentifier propertyName, NPVariant* variant)
+{
+ if (o->_class == NPScriptObjectClass) {
+ JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
+
+ RootObject* rootObject = obj->rootObject;
+ if (!rootObject || !rootObject->isValid())
+ return false;
+
+ ExecState* exec = rootObject->globalObject()->globalExec();
+ IdentifierRep* i = static_cast<IdentifierRep*>(propertyName);
+
+ JSLock lock(SilenceAssertionsOnly);
+ JSValue result;
+ if (i->isString())
+ result = obj->imp->get(exec, identifierFromNPIdentifier(exec, i->string()));
+ else
+ result = obj->imp->get(exec, i->number());
+
+ convertValueToNPVariant(exec, result, variant);
+ exec->clearException();
+ return true;
+ }
+
+ if (o->_class->hasProperty && o->_class->getProperty) {
+ if (o->_class->hasProperty(o, propertyName))
+ return o->_class->getProperty(o, propertyName, variant);
+ return false;
+ }
+
+ VOID_TO_NPVARIANT(*variant);
+ return false;
+}
+
+bool _NPN_SetProperty(NPP, NPObject* o, NPIdentifier propertyName, const NPVariant* variant)
+{
+ if (o->_class == NPScriptObjectClass) {
+ JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
+
+ RootObject* rootObject = obj->rootObject;
+ if (!rootObject || !rootObject->isValid())
+ return false;
+
+ ExecState* exec = rootObject->globalObject()->globalExec();
+ JSLock lock(SilenceAssertionsOnly);
+ IdentifierRep* i = static_cast<IdentifierRep*>(propertyName);
+
+ if (i->isString()) {
+ PutPropertySlot slot;
+ obj->imp->put(exec, identifierFromNPIdentifier(exec, i->string()), convertNPVariantToValue(exec, variant, rootObject), slot);
+ } else
+ obj->imp->put(exec, i->number(), convertNPVariantToValue(exec, variant, rootObject));
+ exec->clearException();
+ return true;
+ }
+
+ if (o->_class->setProperty)
+ return o->_class->setProperty(o, propertyName, variant);
+
+ return false;
+}
+
+bool _NPN_RemoveProperty(NPP, NPObject* o, NPIdentifier propertyName)
+{
+ if (o->_class == NPScriptObjectClass) {
+ JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
+
+ RootObject* rootObject = obj->rootObject;
+ if (!rootObject || !rootObject->isValid())
+ return false;
+
+ ExecState* exec = rootObject->globalObject()->globalExec();
+ IdentifierRep* i = static_cast<IdentifierRep*>(propertyName);
+ if (i->isString()) {
+ if (!obj->imp->hasProperty(exec, identifierFromNPIdentifier(exec, i->string()))) {
+ exec->clearException();
+ return false;
+ }
+ } else {
+ if (!obj->imp->hasProperty(exec, i->number())) {
+ exec->clearException();
+ return false;
+ }
+ }
+
+ JSLock lock(SilenceAssertionsOnly);
+ if (i->isString())
+ obj->imp->deleteProperty(exec, identifierFromNPIdentifier(exec, i->string()));
+ else
+ obj->imp->deleteProperty(exec, i->number());
+
+ exec->clearException();
+ return true;
+ }
+ return false;
+}
+
+bool _NPN_HasProperty(NPP, NPObject* o, NPIdentifier propertyName)
+{
+ if (o->_class == NPScriptObjectClass) {
+ JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
+
+ RootObject* rootObject = obj->rootObject;
+ if (!rootObject || !rootObject->isValid())
+ return false;
+
+ ExecState* exec = rootObject->globalObject()->globalExec();
+ IdentifierRep* i = static_cast<IdentifierRep*>(propertyName);
+ JSLock lock(SilenceAssertionsOnly);
+ if (i->isString()) {
+ bool result = obj->imp->hasProperty(exec, identifierFromNPIdentifier(exec, i->string()));
+ exec->clearException();
+ return result;
+ }
+
+ bool result = obj->imp->hasProperty(exec, i->number());
+ exec->clearException();
+ return result;
+ }
+
+ if (o->_class->hasProperty)
+ return o->_class->hasProperty(o, propertyName);
+
+ return false;
+}
+
+bool _NPN_HasMethod(NPP, NPObject* o, NPIdentifier methodName)
+{
+ if (o->_class == NPScriptObjectClass) {
+ JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
+
+ IdentifierRep* i = static_cast<IdentifierRep*>(methodName);
+ if (!i->isString())
+ return false;
+
+ RootObject* rootObject = obj->rootObject;
+ if (!rootObject || !rootObject->isValid())
+ return false;
+
+ ExecState* exec = rootObject->globalObject()->globalExec();
+ JSLock lock(SilenceAssertionsOnly);
+ JSValue func = obj->imp->get(exec, identifierFromNPIdentifier(exec, i->string()));
+ exec->clearException();
+ return !func.isUndefined();
+ }
+
+ if (o->_class->hasMethod)
+ return o->_class->hasMethod(o, methodName);
+
+ return false;
+}
+
+void _NPN_SetException(NPObject*, const NPUTF8* message)
+{
+ // Ignoring the NPObject param is consistent with the Mozilla implementation.
+ UString exception(message);
+ CInstance::setGlobalException(exception);
+}
+
+bool _NPN_Enumerate(NPP, NPObject* o, NPIdentifier** identifier, uint32_t* count)
+{
+ if (o->_class == NPScriptObjectClass) {
+ JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
+
+ RootObject* rootObject = obj->rootObject;
+ if (!rootObject || !rootObject->isValid())
+ return false;
+
+ ExecState* exec = rootObject->globalObject()->globalExec();
+ JSLock lock(SilenceAssertionsOnly);
+ PropertyNameArray propertyNames(exec);
+
+ obj->imp->getPropertyNames(exec, propertyNames);
+ unsigned size = static_cast<unsigned>(propertyNames.size());
+ // FIXME: This should really call NPN_MemAlloc but that's in WebKit
+ NPIdentifier* identifiers = static_cast<NPIdentifier*>(malloc(sizeof(NPIdentifier) * size));
+
+ for (unsigned i = 0; i < size; ++i)
+ identifiers[i] = _NPN_GetStringIdentifier(propertyNames[i].ustring().UTF8String().data());
+
+ *identifier = identifiers;
+ *count = size;
+
+ exec->clearException();
+ return true;
+ }
+
+ if (NP_CLASS_STRUCT_VERSION_HAS_ENUM(o->_class) && o->_class->enumerate)
+ return o->_class->enumerate(o, identifier, count);
+
+ return false;
+}
+
+bool _NPN_Construct(NPP, NPObject* o, const NPVariant* args, uint32_t argCount, NPVariant* result)
+{
+ if (o->_class == NPScriptObjectClass) {
+ JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
+
+ VOID_TO_NPVARIANT(*result);
+
+ // Lookup the constructor object.
+ RootObject* rootObject = obj->rootObject;
+ if (!rootObject || !rootObject->isValid())
+ return false;
+
+ ExecState* exec = rootObject->globalObject()->globalExec();
+ JSLock lock(SilenceAssertionsOnly);
+
+ // Call the constructor object.
+ JSValue constructor = obj->imp;
+ ConstructData constructData;
+ ConstructType constructType = getConstructData(constructor, constructData);
+ if (constructType == ConstructTypeNone)
+ return false;
+
+ MarkedArgumentBuffer argList;
+ getListFromVariantArgs(exec, args, argCount, rootObject, argList);
+ ProtectedPtr<JSGlobalObject> globalObject = rootObject->globalObject();
+ globalObject->globalData()->timeoutChecker.start();
+ JSValue resultV = JSC::construct(exec, constructor, constructType, constructData, argList);
+ globalObject->globalData()->timeoutChecker.stop();
+
+ // Convert and return the result.
+ convertValueToNPVariant(exec, resultV, result);
+ exec->clearException();
+ return true;
+ }
+
+ if (NP_CLASS_STRUCT_VERSION_HAS_CTOR(o->_class) && o->_class->construct)
+ return o->_class->construct(o, args, argCount, result);
+
+ return false;
+}
+
+#endif // ENABLE(NETSCAPE_PLUGIN_API)