Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 533 insertions, 0 deletions

diff --git a/Source/WebCore/bridge/NP_jsobject.cpp b/Source/WebCore/bridge/NP_jsobject.cpp
new file mode 100644
index 0000000..0780ad7
--- /dev/null
+++ b/Source/WebCore/bridge/NP_jsobject.cpp
@@ -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().utf8().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)