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 "PluginView.h"
33
#include "c_utility.h"
34
#include "c_instance.h"
35
#include "IdentifierRep.h"
36
#include "JSDOMBinding.h"
37
#include "npruntime_impl.h"
38
#include "npruntime_priv.h"
39
#include "runtime_root.h"
40
#include <runtime/Error.h>
41
#include <runtime/JSGlobalObject.h>
42
#include <runtime/JSLock.h>
43
#include <runtime/PropertyNameArray.h>
44
#include <parser/SourceCode.h>
45
#include <runtime/Completion.h>
46
#include <wtf/text/WTFString.h>
49
using namespace JSC::Bindings;
50
using namespace WebCore;
54
NPObject* get(RootObject* rootObject, JSObject* jsObject)
56
return m_map.get(rootObject).get(jsObject);
59
void add(RootObject* rootObject, JSObject* jsObject, NPObject* npObject)
61
HashMap<RootObject*, JSToNPObjectMap>::iterator iter = m_map.find(rootObject);
62
if (iter == m_map.end()) {
63
rootObject->addInvalidationCallback(&m_invalidationCallback);
64
iter = m_map.add(rootObject, JSToNPObjectMap()).iterator;
67
ASSERT(iter->value.find(jsObject) == iter->value.end());
68
iter->value.add(jsObject, npObject);
71
void remove(RootObject* rootObject)
73
HashMap<RootObject*, JSToNPObjectMap>::iterator iter = m_map.find(rootObject);
74
ASSERT(iter != m_map.end());
78
void remove(RootObject* rootObject, JSObject* jsObject)
80
HashMap<RootObject*, JSToNPObjectMap>::iterator iter = m_map.find(rootObject);
81
ASSERT(iter != m_map.end());
82
ASSERT(iter->value.find(jsObject) != iter->value.end());
84
iter->value.remove(jsObject);
88
struct RootObjectInvalidationCallback : public RootObject::InvalidationCallback {
89
virtual void operator()(RootObject*);
91
RootObjectInvalidationCallback m_invalidationCallback;
93
// JSObjects are protected by RootObject.
94
typedef HashMap<JSObject*, NPObject*> JSToNPObjectMap;
95
HashMap<RootObject*, JSToNPObjectMap> m_map;
99
static ObjectMap& objectMap()
101
DEFINE_STATIC_LOCAL(ObjectMap, map, ());
105
void ObjectMap::RootObjectInvalidationCallback::operator()(RootObject* rootObject)
107
objectMap().remove(rootObject);
110
static void getListFromVariantArgs(ExecState* exec, const NPVariant* args, unsigned argCount, RootObject* rootObject, MarkedArgumentBuffer& aList)
112
for (unsigned i = 0; i < argCount; ++i)
113
aList.append(convertNPVariantToValue(exec, &args[i], rootObject));
116
static NPObject* jsAllocate(NPP, NPClass*)
118
return static_cast<NPObject*>(malloc(sizeof(JavaScriptObject)));
121
static void jsDeallocate(NPObject* npObj)
123
JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(npObj);
125
if (obj->rootObject && obj->rootObject->isValid()) {
126
objectMap().remove(obj->rootObject, obj->imp);
127
obj->rootObject->gcUnprotect(obj->imp);
131
obj->rootObject->deref();
136
static NPClass javascriptClass = { 1, jsAllocate, jsDeallocate, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
137
static NPClass noScriptClass = { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
139
NPClass* NPScriptObjectClass = &javascriptClass;
140
static NPClass* NPNoScriptObjectClass = &noScriptClass;
142
NPObject* _NPN_CreateScriptObject(NPP npp, JSObject* imp, PassRefPtr<RootObject> rootObject)
144
if (NPObject* object = objectMap().get(rootObject.get(), imp))
145
return _NPN_RetainObject(object);
147
JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(_NPN_CreateObject(npp, NPScriptObjectClass));
149
obj->rootObject = rootObject.leakRef();
151
if (obj->rootObject) {
152
obj->rootObject->gcProtect(imp);
153
objectMap().add(obj->rootObject, imp, reinterpret_cast<NPObject*>(obj));
158
return reinterpret_cast<NPObject*>(obj);
161
NPObject* _NPN_CreateNoScriptObject(void)
163
return _NPN_CreateObject(0, NPNoScriptObjectClass);
166
bool _NPN_InvokeDefault(NPP, NPObject* o, const NPVariant* args, uint32_t argCount, NPVariant* result)
168
if (o->_class == NPScriptObjectClass) {
169
JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
171
VOID_TO_NPVARIANT(*result);
173
// Lookup the function object.
174
RootObject* rootObject = obj->rootObject;
175
if (!rootObject || !rootObject->isValid())
178
ExecState* exec = rootObject->globalObject()->globalExec();
179
JSLockHolder lock(exec);
181
// Call the function object.
182
JSValue function = obj->imp;
184
CallType callType = getCallData(function, callData);
185
if (callType == CallTypeNone)
188
MarkedArgumentBuffer argList;
189
getListFromVariantArgs(exec, args, argCount, rootObject, argList);
190
JSValue resultV = JSC::call(exec, function, callType, callData, function, argList);
192
// Convert and return the result of the function call.
193
convertValueToNPVariant(exec, resultV, result);
194
exec->clearException();
198
if (o->_class->invokeDefault)
199
return o->_class->invokeDefault(o, args, argCount, result);
200
VOID_TO_NPVARIANT(*result);
204
bool _NPN_Invoke(NPP npp, NPObject* o, NPIdentifier methodName, const NPVariant* args, uint32_t argCount, NPVariant* result)
206
if (o->_class == NPScriptObjectClass) {
207
JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
209
IdentifierRep* i = static_cast<IdentifierRep*>(methodName);
213
// Special case the "eval" method.
214
if (methodName == _NPN_GetStringIdentifier("eval")) {
217
if (args[0].type != NPVariantType_String)
219
return _NPN_Evaluate(npp, o, const_cast<NPString*>(&args[0].value.stringValue), result);
222
// Look up the function object.
223
RootObject* rootObject = obj->rootObject;
224
if (!rootObject || !rootObject->isValid())
226
ExecState* exec = rootObject->globalObject()->globalExec();
227
JSLockHolder lock(exec);
228
JSValue function = obj->imp->get(exec, identifierFromNPIdentifier(exec, i->string()));
230
CallType callType = getCallData(function, callData);
231
if (callType == CallTypeNone)
234
// Call the function object.
235
MarkedArgumentBuffer argList;
236
getListFromVariantArgs(exec, args, argCount, rootObject, argList);
237
JSValue resultV = JSC::call(exec, function, callType, callData, obj->imp->methodTable()->toThisObject(obj->imp, exec), argList);
239
// Convert and return the result of the function call.
240
convertValueToNPVariant(exec, resultV, result);
241
exec->clearException();
245
if (o->_class->invoke)
246
return o->_class->invoke(o, methodName, args, argCount, result);
248
VOID_TO_NPVARIANT(*result);
252
bool _NPN_Evaluate(NPP instance, NPObject* o, NPString* s, NPVariant* variant)
254
if (o->_class == NPScriptObjectClass) {
255
JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
257
RootObject* rootObject = obj->rootObject;
258
if (!rootObject || !rootObject->isValid())
261
// There is a crash in Flash when evaluating a script that destroys the
262
// PluginView, so we destroy it asynchronously.
263
PluginView::keepAlive(instance);
265
ExecState* exec = rootObject->globalObject()->globalExec();
266
JSLockHolder lock(exec);
267
String scriptString = convertNPStringToUTF16(s);
269
JSValue returnValue = JSC::evaluate(rootObject->globalObject()->globalExec(), makeSource(scriptString), JSC::JSValue());
271
convertValueToNPVariant(exec, returnValue, variant);
272
exec->clearException();
276
VOID_TO_NPVARIANT(*variant);
280
bool _NPN_GetProperty(NPP, NPObject* o, NPIdentifier propertyName, NPVariant* variant)
282
if (o->_class == NPScriptObjectClass) {
283
JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
285
RootObject* rootObject = obj->rootObject;
286
if (!rootObject || !rootObject->isValid())
289
ExecState* exec = rootObject->globalObject()->globalExec();
290
IdentifierRep* i = static_cast<IdentifierRep*>(propertyName);
292
JSLockHolder lock(exec);
295
result = obj->imp->get(exec, identifierFromNPIdentifier(exec, i->string()));
297
result = obj->imp->get(exec, i->number());
299
convertValueToNPVariant(exec, result, variant);
300
exec->clearException();
304
if (o->_class->hasProperty && o->_class->getProperty) {
305
if (o->_class->hasProperty(o, propertyName))
306
return o->_class->getProperty(o, propertyName, variant);
310
VOID_TO_NPVARIANT(*variant);
314
bool _NPN_SetProperty(NPP, NPObject* o, NPIdentifier propertyName, const NPVariant* variant)
316
if (o->_class == NPScriptObjectClass) {
317
JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
319
RootObject* rootObject = obj->rootObject;
320
if (!rootObject || !rootObject->isValid())
323
ExecState* exec = rootObject->globalObject()->globalExec();
324
JSLockHolder lock(exec);
325
IdentifierRep* i = static_cast<IdentifierRep*>(propertyName);
328
PutPropertySlot slot;
329
obj->imp->methodTable()->put(obj->imp, exec, identifierFromNPIdentifier(exec, i->string()), convertNPVariantToValue(exec, variant, rootObject), slot);
331
obj->imp->methodTable()->putByIndex(obj->imp, exec, i->number(), convertNPVariantToValue(exec, variant, rootObject), false);
332
exec->clearException();
336
if (o->_class->setProperty)
337
return o->_class->setProperty(o, propertyName, variant);
342
bool _NPN_RemoveProperty(NPP, NPObject* o, NPIdentifier propertyName)
344
if (o->_class == NPScriptObjectClass) {
345
JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
347
RootObject* rootObject = obj->rootObject;
348
if (!rootObject || !rootObject->isValid())
351
ExecState* exec = rootObject->globalObject()->globalExec();
352
IdentifierRep* i = static_cast<IdentifierRep*>(propertyName);
354
if (!obj->imp->hasProperty(exec, identifierFromNPIdentifier(exec, i->string()))) {
355
exec->clearException();
359
if (!obj->imp->hasProperty(exec, i->number())) {
360
exec->clearException();
365
JSLockHolder lock(exec);
367
obj->imp->methodTable()->deleteProperty(obj->imp, exec, identifierFromNPIdentifier(exec, i->string()));
369
obj->imp->methodTable()->deletePropertyByIndex(obj->imp, exec, i->number());
371
exec->clearException();
377
bool _NPN_HasProperty(NPP, NPObject* o, NPIdentifier propertyName)
379
if (o->_class == NPScriptObjectClass) {
380
JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
382
RootObject* rootObject = obj->rootObject;
383
if (!rootObject || !rootObject->isValid())
386
ExecState* exec = rootObject->globalObject()->globalExec();
387
IdentifierRep* i = static_cast<IdentifierRep*>(propertyName);
388
JSLockHolder lock(exec);
390
bool result = obj->imp->hasProperty(exec, identifierFromNPIdentifier(exec, i->string()));
391
exec->clearException();
395
bool result = obj->imp->hasProperty(exec, i->number());
396
exec->clearException();
400
if (o->_class->hasProperty)
401
return o->_class->hasProperty(o, propertyName);
406
bool _NPN_HasMethod(NPP, NPObject* o, NPIdentifier methodName)
408
if (o->_class == NPScriptObjectClass) {
409
JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
411
IdentifierRep* i = static_cast<IdentifierRep*>(methodName);
415
RootObject* rootObject = obj->rootObject;
416
if (!rootObject || !rootObject->isValid())
419
ExecState* exec = rootObject->globalObject()->globalExec();
420
JSLockHolder lock(exec);
421
JSValue func = obj->imp->get(exec, identifierFromNPIdentifier(exec, i->string()));
422
exec->clearException();
423
return !func.isUndefined();
426
if (o->_class->hasMethod)
427
return o->_class->hasMethod(o, methodName);
432
void _NPN_SetException(NPObject*, const NPUTF8* message)
434
// Ignoring the NPObject param is consistent with the Mozilla implementation.
435
String exception(message);
436
CInstance::setGlobalException(exception);
439
bool _NPN_Enumerate(NPP, NPObject* o, NPIdentifier** identifier, uint32_t* count)
441
if (o->_class == NPScriptObjectClass) {
442
JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
444
RootObject* rootObject = obj->rootObject;
445
if (!rootObject || !rootObject->isValid())
448
ExecState* exec = rootObject->globalObject()->globalExec();
449
JSLockHolder lock(exec);
450
PropertyNameArray propertyNames(exec);
452
obj->imp->methodTable()->getPropertyNames(obj->imp, exec, propertyNames, ExcludeDontEnumProperties);
453
unsigned size = static_cast<unsigned>(propertyNames.size());
454
// FIXME: This should really call NPN_MemAlloc but that's in WebKit
455
NPIdentifier* identifiers = static_cast<NPIdentifier*>(malloc(sizeof(NPIdentifier) * size));
457
for (unsigned i = 0; i < size; ++i)
458
identifiers[i] = _NPN_GetStringIdentifier(propertyNames[i].string().utf8().data());
460
*identifier = identifiers;
463
exec->clearException();
467
if (NP_CLASS_STRUCT_VERSION_HAS_ENUM(o->_class) && o->_class->enumerate)
468
return o->_class->enumerate(o, identifier, count);
473
bool _NPN_Construct(NPP, NPObject* o, const NPVariant* args, uint32_t argCount, NPVariant* result)
475
if (o->_class == NPScriptObjectClass) {
476
JavaScriptObject* obj = reinterpret_cast<JavaScriptObject*>(o);
478
VOID_TO_NPVARIANT(*result);
480
// Lookup the constructor object.
481
RootObject* rootObject = obj->rootObject;
482
if (!rootObject || !rootObject->isValid())
485
ExecState* exec = rootObject->globalObject()->globalExec();
486
JSLockHolder lock(exec);
488
// Call the constructor object.
489
JSValue constructor = obj->imp;
490
ConstructData constructData;
491
ConstructType constructType = getConstructData(constructor, constructData);
492
if (constructType == ConstructTypeNone)
495
MarkedArgumentBuffer argList;
496
getListFromVariantArgs(exec, args, argCount, rootObject, argList);
497
JSValue resultV = JSC::construct(exec, constructor, constructType, constructData, argList);
499
// Convert and return the result.
500
convertValueToNPVariant(exec, resultV, result);
501
exec->clearException();
505
if (NP_CLASS_STRUCT_VERSION_HAS_CTOR(o->_class) && o->_class->construct)
506
return o->_class->construct(o, args, argCount, result);
511
#endif // ENABLE(NETSCAPE_PLUGIN_API)