2 * Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #if ENABLE(NETSCAPE_PLUGIN_API)
30 #include "NP_jsobject.h"
32 #include "PlatformString.h"
33 #include "PluginView.h"
34 #include "StringSourceProvider.h"
35 #include "c_utility.h"
36 #include "c_instance.h"
37 #include "IdentifierRep.h"
38 #include "JSDOMBinding.h"
39 #include "npruntime_impl.h"
40 #include "npruntime_priv.h"
41 #include "runtime_root.h"
42 #include <runtime/Error.h>
43 #include <runtime/JSGlobalObject.h>
44 #include <runtime/JSLock.h>
45 #include <runtime/PropertyNameArray.h>
46 #include <parser/SourceCode.h>
47 #include <runtime/Completion.h>
48 #include <runtime/Completion.h>
51 using namespace JSC::Bindings;
52 using namespace WebCore;
56 NPObject* get(RootObject* rootObject, JSObject* jsObject)
58 return m_map.get(rootObject).get(jsObject);
61 void add(RootObject* rootObject, JSObject* jsObject, NPObject* npObject)
63 HashMap<RootObject*, JSToNPObjectMap>::iterator iter = m_map.find(rootObject);
64 if (iter == m_map.end()) {
65 rootObject->addInvalidationCallback(&m_invalidationCallback);
66 iter = m_map.add(rootObject, JSToNPObjectMap()).first;
69 ASSERT(iter->second.find(jsObject) == iter->second.end());
70 iter->second.add(jsObject, npObject);
73 void remove(RootObject* rootObject)
75 HashMap<RootObject*, JSToNPObjectMap>::iterator iter = m_map.find(rootObject);
76 ASSERT(iter != m_map.end());
80 void remove(RootObject* rootObject, JSObject* jsObject)
82 HashMap<RootObject*, JSToNPObjectMap>::iterator iter = m_map.find(rootObject);
83 ASSERT(iter != m_map.end());
84 ASSERT(iter->second.find(jsObject) != iter->second.end());
86 iter->second.remove(jsObject);
90 struct RootObjectInvalidationCallback : public RootObject::InvalidationCallback {
91 virtual void operator()(RootObject*);
93 RootObjectInvalidationCallback m_invalidationCallback;
95 // JSObjects are protected by RootObject.
96 typedef HashMap<JSObject*, NPObject*> JSToNPObjectMap;
97 HashMap<RootObject*, JSToNPObjectMap> m_map;
101 static ObjectMap& objectMap()
103 DEFINE_STATIC_LOCAL(ObjectMap, map, ());
107 void ObjectMap::RootObjectInvalidationCallback::operator()(RootObject* rootObject)
109 objectMap().remove(rootObject);
112 static void getListFromVariantArgs(ExecState* exec, const NPVariant* args, unsigned argCount, RootObject* rootObject, MarkedArgumentBuffer& aList)
114 for (unsigned i = 0; i < argCount; ++i)
115 aList.append(convertNPVariantToValue(exec, &args[i], rootObject));
118 static NPObject* jsAllocate(NPP, NPClass*)
120 return static_cast<NPObject*>(malloc(sizeof(JavaScriptObject)));
123 static void jsDeallocate(NPObject* npObj)
125 JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(npObj);
127 if (obj->rootObject && obj->rootObject->isValid()) {
128 objectMap().remove(obj->rootObject, obj->imp);
129 obj->rootObject->gcUnprotect(obj->imp);
133 obj->rootObject->deref();
138 static NPClass javascriptClass = { 1, jsAllocate, jsDeallocate, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
139 static NPClass noScriptClass = { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
141 NPClass* NPScriptObjectClass = &javascriptClass;
142 static NPClass* NPNoScriptObjectClass = &noScriptClass;
144 NPObject* _NPN_CreateScriptObject(NPP npp, JSObject* imp, PassRefPtr<RootObject> rootObject)
146 if (NPObject* object = objectMap().get(rootObject.get(), imp))
147 return _NPN_RetainObject(object);
149 JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(_NPN_CreateObject(npp, NPScriptObjectClass));
151 obj->rootObject = rootObject.releaseRef();
153 if (obj->rootObject) {
154 obj->rootObject->gcProtect(imp);
155 objectMap().add(obj->rootObject, imp, reinterpret_cast<NPObject*>(obj));
160 return reinterpret_cast<NPObject*>(obj);
163 NPObject* _NPN_CreateNoScriptObject(void)
165 return _NPN_CreateObject(0, NPNoScriptObjectClass);
168 bool _NPN_InvokeDefault(NPP, NPObject* o, const NPVariant* args, uint32_t argCount, NPVariant* result)
170 if (o->_class == NPScriptObjectClass) {
171 JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
173 VOID_TO_NPVARIANT(*result);
175 // Lookup the function object.
176 RootObject* rootObject = obj->rootObject;
177 if (!rootObject || !rootObject->isValid())
180 ExecState* exec = rootObject->globalObject()->globalExec();
181 JSLock lock(SilenceAssertionsOnly);
183 // Call the function object.
184 JSValue function = obj->imp;
186 CallType callType = getCallData(function, callData);
187 if (callType == CallTypeNone)
190 MarkedArgumentBuffer argList;
191 getListFromVariantArgs(exec, args, argCount, rootObject, argList);
192 RefPtr<JSGlobalData> globalData(&exec->globalData());
193 globalData->timeoutChecker.start();
194 JSValue resultV = JSC::call(exec, function, callType, callData, function, argList);
195 globalData->timeoutChecker.stop();
197 // Convert and return the result of the function call.
198 convertValueToNPVariant(exec, resultV, result);
199 exec->clearException();
203 if (o->_class->invokeDefault)
204 return o->_class->invokeDefault(o, args, argCount, result);
205 VOID_TO_NPVARIANT(*result);
209 bool _NPN_Invoke(NPP npp, NPObject* o, NPIdentifier methodName, const NPVariant* args, uint32_t argCount, NPVariant* result)
211 if (o->_class == NPScriptObjectClass) {
212 JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
214 IdentifierRep* i = static_cast<IdentifierRep*>(methodName);
218 // Special case the "eval" method.
219 if (methodName == _NPN_GetStringIdentifier("eval")) {
222 if (args[0].type != NPVariantType_String)
224 return _NPN_Evaluate(npp, o, const_cast<NPString*>(&args[0].value.stringValue), result);
227 // Look up the function object.
228 RootObject* rootObject = obj->rootObject;
229 if (!rootObject || !rootObject->isValid())
231 ExecState* exec = rootObject->globalObject()->globalExec();
232 JSLock lock(SilenceAssertionsOnly);
233 JSValue function = obj->imp->get(exec, identifierFromNPIdentifier(exec, i->string()));
235 CallType callType = getCallData(function, callData);
236 if (callType == CallTypeNone)
239 // Call the function object.
240 MarkedArgumentBuffer argList;
241 getListFromVariantArgs(exec, args, argCount, rootObject, argList);
242 RefPtr<JSGlobalData> globalData(&exec->globalData());
243 globalData->timeoutChecker.start();
244 JSValue resultV = JSC::call(exec, function, callType, callData, obj->imp->toThisObject(exec), argList);
245 globalData->timeoutChecker.stop();
247 // Convert and return the result of the function call.
248 convertValueToNPVariant(exec, resultV, result);
249 exec->clearException();
253 if (o->_class->invoke)
254 return o->_class->invoke(o, methodName, args, argCount, result);
256 VOID_TO_NPVARIANT(*result);
260 bool _NPN_Evaluate(NPP instance, NPObject* o, NPString* s, NPVariant* variant)
262 if (o->_class == NPScriptObjectClass) {
263 JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
265 RootObject* rootObject = obj->rootObject;
266 if (!rootObject || !rootObject->isValid())
269 // There is a crash in Flash when evaluating a script that destroys the
270 // PluginView, so we destroy it asynchronously.
271 PluginView::keepAlive(instance);
273 ExecState* exec = rootObject->globalObject()->globalExec();
274 JSLock lock(SilenceAssertionsOnly);
275 String scriptString = convertNPStringToUTF16(s);
276 RefPtr<JSGlobalData> globalData(&exec->globalData());
278 globalData->timeoutChecker.start();
279 JSValue returnValue = JSC::evaluate(rootObject->globalObject()->globalExec(), rootObject->globalObject()->globalScopeChain(), makeSource(scriptString), JSC::JSValue());
280 globalData->timeoutChecker.stop();
282 convertValueToNPVariant(exec, returnValue, variant);
283 exec->clearException();
287 VOID_TO_NPVARIANT(*variant);
291 bool _NPN_GetProperty(NPP, NPObject* o, NPIdentifier propertyName, NPVariant* variant)
293 if (o->_class == NPScriptObjectClass) {
294 JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
296 RootObject* rootObject = obj->rootObject;
297 if (!rootObject || !rootObject->isValid())
300 ExecState* exec = rootObject->globalObject()->globalExec();
301 IdentifierRep* i = static_cast<IdentifierRep*>(propertyName);
303 JSLock lock(SilenceAssertionsOnly);
306 result = obj->imp->get(exec, identifierFromNPIdentifier(exec, i->string()));
308 result = obj->imp->get(exec, i->number());
310 convertValueToNPVariant(exec, result, variant);
311 exec->clearException();
315 if (o->_class->hasProperty && o->_class->getProperty) {
316 if (o->_class->hasProperty(o, propertyName))
317 return o->_class->getProperty(o, propertyName, variant);
321 VOID_TO_NPVARIANT(*variant);
325 bool _NPN_SetProperty(NPP, NPObject* o, NPIdentifier propertyName, const NPVariant* variant)
327 if (o->_class == NPScriptObjectClass) {
328 JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
330 RootObject* rootObject = obj->rootObject;
331 if (!rootObject || !rootObject->isValid())
334 ExecState* exec = rootObject->globalObject()->globalExec();
335 JSLock lock(SilenceAssertionsOnly);
336 IdentifierRep* i = static_cast<IdentifierRep*>(propertyName);
339 PutPropertySlot slot;
340 obj->imp->put(exec, identifierFromNPIdentifier(exec, i->string()), convertNPVariantToValue(exec, variant, rootObject), slot);
342 obj->imp->put(exec, i->number(), convertNPVariantToValue(exec, variant, rootObject));
343 exec->clearException();
347 if (o->_class->setProperty)
348 return o->_class->setProperty(o, propertyName, variant);
353 bool _NPN_RemoveProperty(NPP, NPObject* o, NPIdentifier propertyName)
355 if (o->_class == NPScriptObjectClass) {
356 JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
358 RootObject* rootObject = obj->rootObject;
359 if (!rootObject || !rootObject->isValid())
362 ExecState* exec = rootObject->globalObject()->globalExec();
363 IdentifierRep* i = static_cast<IdentifierRep*>(propertyName);
365 if (!obj->imp->hasProperty(exec, identifierFromNPIdentifier(exec, i->string()))) {
366 exec->clearException();
370 if (!obj->imp->hasProperty(exec, i->number())) {
371 exec->clearException();
376 JSLock lock(SilenceAssertionsOnly);
378 obj->imp->deleteProperty(exec, identifierFromNPIdentifier(exec, i->string()));
380 obj->imp->deleteProperty(exec, i->number());
382 exec->clearException();
388 bool _NPN_HasProperty(NPP, NPObject* o, NPIdentifier propertyName)
390 if (o->_class == NPScriptObjectClass) {
391 JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
393 RootObject* rootObject = obj->rootObject;
394 if (!rootObject || !rootObject->isValid())
397 ExecState* exec = rootObject->globalObject()->globalExec();
398 IdentifierRep* i = static_cast<IdentifierRep*>(propertyName);
399 JSLock lock(SilenceAssertionsOnly);
401 bool result = obj->imp->hasProperty(exec, identifierFromNPIdentifier(exec, i->string()));
402 exec->clearException();
406 bool result = obj->imp->hasProperty(exec, i->number());
407 exec->clearException();
411 if (o->_class->hasProperty)
412 return o->_class->hasProperty(o, propertyName);
417 bool _NPN_HasMethod(NPP, NPObject* o, NPIdentifier methodName)
419 if (o->_class == NPScriptObjectClass) {
420 JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
422 IdentifierRep* i = static_cast<IdentifierRep*>(methodName);
426 RootObject* rootObject = obj->rootObject;
427 if (!rootObject || !rootObject->isValid())
430 ExecState* exec = rootObject->globalObject()->globalExec();
431 JSLock lock(SilenceAssertionsOnly);
432 JSValue func = obj->imp->get(exec, identifierFromNPIdentifier(exec, i->string()));
433 exec->clearException();
434 return !func.isUndefined();
437 if (o->_class->hasMethod)
438 return o->_class->hasMethod(o, methodName);
443 void _NPN_SetException(NPObject*, const NPUTF8* message)
445 // Ignoring the NPObject param is consistent with the Mozilla implementation.
446 UString exception(message);
447 CInstance::setGlobalException(exception);
450 bool _NPN_Enumerate(NPP, NPObject* o, NPIdentifier** identifier, uint32_t* count)
452 if (o->_class == NPScriptObjectClass) {
453 JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
455 RootObject* rootObject = obj->rootObject;
456 if (!rootObject || !rootObject->isValid())
459 ExecState* exec = rootObject->globalObject()->globalExec();
460 JSLock lock(SilenceAssertionsOnly);
461 PropertyNameArray propertyNames(exec);
463 obj->imp->getPropertyNames(exec, propertyNames);
464 unsigned size = static_cast<unsigned>(propertyNames.size());
465 // FIXME: This should really call NPN_MemAlloc but that's in WebKit
466 NPIdentifier* identifiers = static_cast<NPIdentifier*>(malloc(sizeof(NPIdentifier) * size));
468 for (unsigned i = 0; i < size; ++i)
469 identifiers[i] = _NPN_GetStringIdentifier(propertyNames[i].ustring().utf8().data());
471 *identifier = identifiers;
474 exec->clearException();
478 if (NP_CLASS_STRUCT_VERSION_HAS_ENUM(o->_class) && o->_class->enumerate)
479 return o->_class->enumerate(o, identifier, count);
484 bool _NPN_Construct(NPP, NPObject* o, const NPVariant* args, uint32_t argCount, NPVariant* result)
486 if (o->_class == NPScriptObjectClass) {
487 JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
489 VOID_TO_NPVARIANT(*result);
491 // Lookup the constructor object.
492 RootObject* rootObject = obj->rootObject;
493 if (!rootObject || !rootObject->isValid())
496 ExecState* exec = rootObject->globalObject()->globalExec();
497 JSLock lock(SilenceAssertionsOnly);
499 // Call the constructor object.
500 JSValue constructor = obj->imp;
501 ConstructData constructData;
502 ConstructType constructType = getConstructData(constructor, constructData);
503 if (constructType == ConstructTypeNone)
506 MarkedArgumentBuffer argList;
507 getListFromVariantArgs(exec, args, argCount, rootObject, argList);
508 RefPtr<JSGlobalData> globalData(&exec->globalData());
509 globalData->timeoutChecker.start();
510 JSValue resultV = JSC::construct(exec, constructor, constructType, constructData, argList);
511 globalData->timeoutChecker.stop();
513 // Convert and return the result.
514 convertValueToNPVariant(exec, resultV, result);
515 exec->clearException();
519 if (NP_CLASS_STRUCT_VERSION_HAS_CTOR(o->_class) && o->_class->construct)
520 return o->_class->construct(o, args, argCount, result);
525 #endif // ENABLE(NETSCAPE_PLUGIN_API)