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| 1 /* | |
| 2 * Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved. | |
| 3 * Copyright (C) 2007, 2008, 2009 Google, Inc. All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer in the | |
| 12 * documentation and/or other materials provided with the distribution. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 */ | |
| 26 | |
| 27 #include "config.h" | |
| 28 | |
| 29 #include "bindings/v8/NPV8Object.h" | |
| 30 | |
| 31 #include "bindings/v8/ScriptController.h" | |
| 32 #include "bindings/v8/ScriptSourceCode.h" | |
| 33 #include "bindings/v8/V8Binding.h" | |
| 34 #include "bindings/v8/V8GCController.h" | |
| 35 #include "bindings/v8/V8NPUtils.h" | |
| 36 #include "bindings/v8/V8ObjectConstructor.h" | |
| 37 #include "bindings/v8/V8ScriptRunner.h" | |
| 38 #include "bindings/v8/WrapperTypeInfo.h" | |
| 39 #include "bindings/v8/npruntime_impl.h" | |
| 40 #include "bindings/v8/npruntime_priv.h" | |
| 41 #include "core/frame/LocalDOMWindow.h" | |
| 42 #include "core/frame/LocalFrame.h" | |
| 43 #include "platform/UserGestureIndicator.h" | |
| 44 #include "wtf/OwnPtr.h" | |
| 45 | |
| 46 #include <stdio.h> | |
| 47 #include "wtf/StringExtras.h" | |
| 48 #include "wtf/text/WTFString.h" | |
| 49 | |
| 50 using namespace WebCore; | |
| 51 | |
| 52 namespace WebCore { | |
| 53 | |
| 54 const WrapperTypeInfo* npObjectTypeInfo() | |
| 55 { | |
| 56 static const WrapperTypeInfo typeInfo = { gin::kEmbedderBlink, 0, 0, 0, 0, 0
, 0, 0, WrapperTypeObjectPrototype, RefCountedObject }; | |
| 57 return &typeInfo; | |
| 58 } | |
| 59 | |
| 60 // FIXME: Comments on why use malloc and free. | |
| 61 static NPObject* allocV8NPObject(NPP, NPClass*) | |
| 62 { | |
| 63 return static_cast<NPObject*>(malloc(sizeof(V8NPObject))); | |
| 64 } | |
| 65 | |
| 66 static void freeV8NPObject(NPObject* npObject) | |
| 67 { | |
| 68 V8NPObject* v8NpObject = reinterpret_cast<V8NPObject*>(npObject); | |
| 69 disposeUnderlyingV8Object(npObject, v8::Isolate::GetCurrent()); | |
| 70 free(v8NpObject); | |
| 71 } | |
| 72 | |
| 73 static NPClass V8NPObjectClass = { | |
| 74 NP_CLASS_STRUCT_VERSION, | |
| 75 allocV8NPObject, | |
| 76 freeV8NPObject, | |
| 77 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 | |
| 78 }; | |
| 79 | |
| 80 static ScriptState* mainWorldScriptState(v8::Isolate* isolate, NPP npp, NPObject
* npObject) | |
| 81 { | |
| 82 ASSERT(npObject->_class == &V8NPObjectClass); | |
| 83 V8NPObject* object = reinterpret_cast<V8NPObject*>(npObject); | |
| 84 LocalDOMWindow* window = object->rootObject; | |
| 85 if (!window || !window->isCurrentlyDisplayedInFrame()) | |
| 86 return 0; | |
| 87 v8::HandleScope handleScope(isolate); | |
| 88 v8::Handle<v8::Context> context = toV8Context(object->rootObject->frame(), D
OMWrapperWorld::mainWorld()); | |
| 89 return ScriptState::from(context); | |
| 90 } | |
| 91 | |
| 92 static PassOwnPtr<v8::Handle<v8::Value>[]> createValueListFromVariantArgs(const
NPVariant* arguments, uint32_t argumentCount, NPObject* owner, v8::Isolate* isol
ate) | |
| 93 { | |
| 94 OwnPtr<v8::Handle<v8::Value>[]> argv = adoptArrayPtr(new v8::Handle<v8::Valu
e>[argumentCount]); | |
| 95 for (uint32_t index = 0; index < argumentCount; index++) { | |
| 96 const NPVariant* arg = &arguments[index]; | |
| 97 argv[index] = convertNPVariantToV8Object(arg, owner, isolate); | |
| 98 } | |
| 99 return argv.release(); | |
| 100 } | |
| 101 | |
| 102 // Create an identifier (null terminated utf8 char*) from the NPIdentifier. | |
| 103 static v8::Local<v8::String> npIdentifierToV8Identifier(NPIdentifier name, v8::I
solate* isolate) | |
| 104 { | |
| 105 PrivateIdentifier* identifier = static_cast<PrivateIdentifier*>(name); | |
| 106 if (identifier->isString) | |
| 107 return v8AtomicString(isolate, static_cast<const char*>(identifier->valu
e.string)); | |
| 108 | |
| 109 char buffer[32]; | |
| 110 snprintf(buffer, sizeof(buffer), "%d", identifier->value.number); | |
| 111 return v8AtomicString(isolate, buffer); | |
| 112 } | |
| 113 | |
| 114 NPObject* v8ObjectToNPObject(v8::Handle<v8::Object> object) | |
| 115 { | |
| 116 return reinterpret_cast<NPObject*>(object->GetAlignedPointerFromInternalFiel
d(v8DOMWrapperObjectIndex)); | |
| 117 } | |
| 118 | |
| 119 NPObject* npCreateV8ScriptObject(NPP npp, v8::Handle<v8::Object> object, LocalDO
MWindow* root, v8::Isolate* isolate) | |
| 120 { | |
| 121 // Check to see if this object is already wrapped. | |
| 122 if (object->InternalFieldCount() == npObjectInternalFieldCount) { | |
| 123 const WrapperTypeInfo* typeInfo = static_cast<const WrapperTypeInfo*>(ob
ject->GetAlignedPointerFromInternalField(v8DOMWrapperTypeIndex)); | |
| 124 if (typeInfo == npObjectTypeInfo()) { | |
| 125 NPObject* returnValue = v8ObjectToNPObject(object); | |
| 126 _NPN_RetainObject(returnValue); | |
| 127 return returnValue; | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 V8NPObjectVector* objectVector = 0; | |
| 132 if (V8PerContextData* perContextData = V8PerContextData::from(object->Creati
onContext())) { | |
| 133 int v8ObjectHash = object->GetIdentityHash(); | |
| 134 ASSERT(v8ObjectHash); | |
| 135 V8NPObjectMap* v8NPObjectMap = perContextData->v8NPObjectMap(); | |
| 136 V8NPObjectMap::iterator iter = v8NPObjectMap->find(v8ObjectHash); | |
| 137 if (iter != v8NPObjectMap->end()) { | |
| 138 V8NPObjectVector& objects = iter->value; | |
| 139 for (size_t index = 0; index < objects.size(); ++index) { | |
| 140 V8NPObject* v8npObject = objects.at(index); | |
| 141 if (v8npObject->v8Object == object && v8npObject->rootObject ==
root) { | |
| 142 _NPN_RetainObject(&v8npObject->object); | |
| 143 return reinterpret_cast<NPObject*>(v8npObject); | |
| 144 } | |
| 145 } | |
| 146 objectVector = &iter->value; | |
| 147 } else { | |
| 148 objectVector = &v8NPObjectMap->set(v8ObjectHash, V8NPObjectVector())
.storedValue->value; | |
| 149 } | |
| 150 } | |
| 151 | |
| 152 V8NPObject* v8npObject = reinterpret_cast<V8NPObject*>(_NPN_CreateObject(npp
, &V8NPObjectClass)); | |
| 153 // This is uninitialized memory, we need to clear it so that | |
| 154 // Persistent::Reset won't try to Dispose anything bogus. | |
| 155 new (&v8npObject->v8Object) v8::Persistent<v8::Object>(); | |
| 156 v8npObject->v8Object.Reset(isolate, object); | |
| 157 v8npObject->rootObject = root; | |
| 158 | |
| 159 if (objectVector) | |
| 160 objectVector->append(v8npObject); | |
| 161 | |
| 162 return reinterpret_cast<NPObject*>(v8npObject); | |
| 163 } | |
| 164 | |
| 165 V8NPObject* npObjectToV8NPObject(NPObject* npObject) | |
| 166 { | |
| 167 if (npObject->_class != &V8NPObjectClass) | |
| 168 return 0; | |
| 169 V8NPObject* v8NpObject = reinterpret_cast<V8NPObject*>(npObject); | |
| 170 if (v8NpObject->v8Object.IsEmpty()) | |
| 171 return 0; | |
| 172 return v8NpObject; | |
| 173 } | |
| 174 | |
| 175 void disposeUnderlyingV8Object(NPObject* npObject, v8::Isolate* isolate) | |
| 176 { | |
| 177 ASSERT(npObject); | |
| 178 V8NPObject* v8NpObject = npObjectToV8NPObject(npObject); | |
| 179 if (!v8NpObject) | |
| 180 return; | |
| 181 v8::HandleScope scope(isolate); | |
| 182 v8::Handle<v8::Object> v8Object = v8::Local<v8::Object>::New(isolate, v8NpOb
ject->v8Object); | |
| 183 ASSERT(!v8Object->CreationContext().IsEmpty()); | |
| 184 if (V8PerContextData* perContextData = V8PerContextData::from(v8Object->Crea
tionContext())) { | |
| 185 V8NPObjectMap* v8NPObjectMap = perContextData->v8NPObjectMap(); | |
| 186 int v8ObjectHash = v8Object->GetIdentityHash(); | |
| 187 ASSERT(v8ObjectHash); | |
| 188 V8NPObjectMap::iterator iter = v8NPObjectMap->find(v8ObjectHash); | |
| 189 if (iter != v8NPObjectMap->end()) { | |
| 190 V8NPObjectVector& objects = iter->value; | |
| 191 for (size_t index = 0; index < objects.size(); ++index) { | |
| 192 if (objects.at(index) == v8NpObject) { | |
| 193 objects.remove(index); | |
| 194 break; | |
| 195 } | |
| 196 } | |
| 197 if (objects.isEmpty()) | |
| 198 v8NPObjectMap->remove(v8ObjectHash); | |
| 199 } | |
| 200 } | |
| 201 v8NpObject->v8Object.Reset(); | |
| 202 v8NpObject->rootObject = 0; | |
| 203 } | |
| 204 | |
| 205 } // namespace WebCore | |
| 206 | |
| 207 bool _NPN_Invoke(NPP npp, NPObject* npObject, NPIdentifier methodName, const NPV
ariant* arguments, uint32_t argumentCount, NPVariant* result) | |
| 208 { | |
| 209 if (!npObject) | |
| 210 return false; | |
| 211 | |
| 212 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 213 | |
| 214 V8NPObject* v8NpObject = npObjectToV8NPObject(npObject); | |
| 215 if (!v8NpObject) { | |
| 216 if (npObject->_class->invoke) | |
| 217 return npObject->_class->invoke(npObject, methodName, arguments, arg
umentCount, result); | |
| 218 | |
| 219 VOID_TO_NPVARIANT(*result); | |
| 220 return true; | |
| 221 } | |
| 222 | |
| 223 PrivateIdentifier* identifier = static_cast<PrivateIdentifier*>(methodName); | |
| 224 if (!identifier->isString) | |
| 225 return false; | |
| 226 | |
| 227 if (!strcmp(identifier->value.string, "eval")) { | |
| 228 if (argumentCount != 1) | |
| 229 return false; | |
| 230 if (arguments[0].type != NPVariantType_String) | |
| 231 return false; | |
| 232 return _NPN_Evaluate(npp, npObject, const_cast<NPString*>(&arguments[0].
value.stringValue), result); | |
| 233 } | |
| 234 | |
| 235 // FIXME: should use the plugin's owner frame as the security context. | |
| 236 ScriptState* scriptState = mainWorldScriptState(isolate, npp, npObject); | |
| 237 if (!scriptState) | |
| 238 return false; | |
| 239 | |
| 240 ScriptState::Scope scope(scriptState); | |
| 241 ExceptionCatcher exceptionCatcher; | |
| 242 | |
| 243 v8::Handle<v8::Object> v8Object = v8::Local<v8::Object>::New(isolate, v8NpOb
ject->v8Object); | |
| 244 v8::Handle<v8::Value> functionObject = v8Object->Get(v8AtomicString(isolate,
identifier->value.string)); | |
| 245 if (functionObject.IsEmpty() || functionObject->IsNull()) { | |
| 246 NULL_TO_NPVARIANT(*result); | |
| 247 return false; | |
| 248 } | |
| 249 if (functionObject->IsUndefined()) { | |
| 250 VOID_TO_NPVARIANT(*result); | |
| 251 return false; | |
| 252 } | |
| 253 | |
| 254 LocalFrame* frame = v8NpObject->rootObject->frame(); | |
| 255 ASSERT(frame); | |
| 256 | |
| 257 // Call the function object. | |
| 258 v8::Handle<v8::Function> function = v8::Handle<v8::Function>::Cast(functionO
bject); | |
| 259 OwnPtr<v8::Handle<v8::Value>[]> argv = createValueListFromVariantArgs(argume
nts, argumentCount, npObject, isolate); | |
| 260 v8::Local<v8::Value> resultObject = frame->script().callFunction(function, v
8Object, argumentCount, argv.get()); | |
| 261 | |
| 262 // If we had an error, return false. The spec is a little unclear here, but
says "Returns true if the method was | |
| 263 // successfully invoked". If we get an error return value, was that success
fully invoked? | |
| 264 if (resultObject.IsEmpty()) | |
| 265 return false; | |
| 266 | |
| 267 convertV8ObjectToNPVariant(resultObject, npObject, result, isolate); | |
| 268 return true; | |
| 269 } | |
| 270 | |
| 271 // FIXME: Fix it same as _NPN_Invoke (HandleScope and such). | |
| 272 bool _NPN_InvokeDefault(NPP npp, NPObject* npObject, const NPVariant* arguments,
uint32_t argumentCount, NPVariant* result) | |
| 273 { | |
| 274 if (!npObject) | |
| 275 return false; | |
| 276 | |
| 277 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 278 | |
| 279 V8NPObject* v8NpObject = npObjectToV8NPObject(npObject); | |
| 280 if (!v8NpObject) { | |
| 281 if (npObject->_class->invokeDefault) | |
| 282 return npObject->_class->invokeDefault(npObject, arguments, argument
Count, result); | |
| 283 | |
| 284 VOID_TO_NPVARIANT(*result); | |
| 285 return true; | |
| 286 } | |
| 287 | |
| 288 VOID_TO_NPVARIANT(*result); | |
| 289 | |
| 290 ScriptState* scriptState = mainWorldScriptState(isolate, npp, npObject); | |
| 291 if (!scriptState) | |
| 292 return false; | |
| 293 | |
| 294 ScriptState::Scope scope(scriptState); | |
| 295 ExceptionCatcher exceptionCatcher; | |
| 296 | |
| 297 // Lookup the function object and call it. | |
| 298 v8::Local<v8::Object> functionObject = v8::Local<v8::Object>::New(isolate, v
8NpObject->v8Object); | |
| 299 if (!functionObject->IsFunction()) | |
| 300 return false; | |
| 301 | |
| 302 v8::Local<v8::Value> resultObject; | |
| 303 v8::Handle<v8::Function> function = v8::Local<v8::Function>::Cast(functionOb
ject); | |
| 304 if (!function->IsNull()) { | |
| 305 LocalFrame* frame = v8NpObject->rootObject->frame(); | |
| 306 ASSERT(frame); | |
| 307 | |
| 308 OwnPtr<v8::Handle<v8::Value>[]> argv = createValueListFromVariantArgs(ar
guments, argumentCount, npObject, isolate); | |
| 309 resultObject = frame->script().callFunction(function, functionObject, ar
gumentCount, argv.get()); | |
| 310 } | |
| 311 // If we had an error, return false. The spec is a little unclear here, but
says "Returns true if the method was | |
| 312 // successfully invoked". If we get an error return value, was that success
fully invoked? | |
| 313 if (resultObject.IsEmpty()) | |
| 314 return false; | |
| 315 | |
| 316 convertV8ObjectToNPVariant(resultObject, npObject, result, isolate); | |
| 317 return true; | |
| 318 } | |
| 319 | |
| 320 bool _NPN_Evaluate(NPP npp, NPObject* npObject, NPString* npScript, NPVariant* r
esult) | |
| 321 { | |
| 322 // FIXME: Give the embedder a way to control this. | |
| 323 bool popupsAllowed = false; | |
| 324 return _NPN_EvaluateHelper(npp, popupsAllowed, npObject, npScript, result); | |
| 325 } | |
| 326 | |
| 327 bool _NPN_EvaluateHelper(NPP npp, bool popupsAllowed, NPObject* npObject, NPStri
ng* npScript, NPVariant* result) | |
| 328 { | |
| 329 VOID_TO_NPVARIANT(*result); | |
| 330 if (!npObject) | |
| 331 return false; | |
| 332 | |
| 333 V8NPObject* v8NpObject = npObjectToV8NPObject(npObject); | |
| 334 if (!v8NpObject) | |
| 335 return false; | |
| 336 | |
| 337 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 338 ScriptState* scriptState = mainWorldScriptState(isolate, npp, npObject); | |
| 339 if (!scriptState) | |
| 340 return false; | |
| 341 | |
| 342 ScriptState::Scope scope(scriptState); | |
| 343 ExceptionCatcher exceptionCatcher; | |
| 344 | |
| 345 // FIXME: Is this branch still needed after switching to using UserGestureIn
dicator? | |
| 346 String filename; | |
| 347 if (!popupsAllowed) | |
| 348 filename = "npscript"; | |
| 349 | |
| 350 LocalFrame* frame = v8NpObject->rootObject->frame(); | |
| 351 ASSERT(frame); | |
| 352 | |
| 353 String script = String::fromUTF8(npScript->UTF8Characters, npScript->UTF8Len
gth); | |
| 354 | |
| 355 UserGestureIndicator gestureIndicator(popupsAllowed ? DefinitelyProcessingNe
wUserGesture : PossiblyProcessingUserGesture); | |
| 356 v8::Local<v8::Value> v8result = frame->script().executeScriptAndReturnValue(
scriptState->context(), ScriptSourceCode(script, KURL(ParsedURLString, filename)
)); | |
| 357 | |
| 358 if (v8result.IsEmpty()) | |
| 359 return false; | |
| 360 | |
| 361 if (_NPN_IsAlive(npObject)) | |
| 362 convertV8ObjectToNPVariant(v8result, npObject, result, isolate); | |
| 363 return true; | |
| 364 } | |
| 365 | |
| 366 bool _NPN_GetProperty(NPP npp, NPObject* npObject, NPIdentifier propertyName, NP
Variant* result) | |
| 367 { | |
| 368 if (!npObject) | |
| 369 return false; | |
| 370 | |
| 371 if (V8NPObject* object = npObjectToV8NPObject(npObject)) { | |
| 372 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 373 ScriptState* scriptState = mainWorldScriptState(isolate, npp, npObject); | |
| 374 if (!scriptState) | |
| 375 return false; | |
| 376 | |
| 377 ScriptState::Scope scope(scriptState); | |
| 378 ExceptionCatcher exceptionCatcher; | |
| 379 | |
| 380 v8::Handle<v8::Object> obj = v8::Local<v8::Object>::New(isolate, object-
>v8Object); | |
| 381 v8::Local<v8::Value> v8result = obj->Get(npIdentifierToV8Identifier(prop
ertyName, isolate)); | |
| 382 | |
| 383 if (v8result.IsEmpty()) | |
| 384 return false; | |
| 385 | |
| 386 convertV8ObjectToNPVariant(v8result, npObject, result, isolate); | |
| 387 return true; | |
| 388 } | |
| 389 | |
| 390 if (npObject->_class->hasProperty && npObject->_class->getProperty) { | |
| 391 if (npObject->_class->hasProperty(npObject, propertyName)) | |
| 392 return npObject->_class->getProperty(npObject, propertyName, result)
; | |
| 393 } | |
| 394 | |
| 395 VOID_TO_NPVARIANT(*result); | |
| 396 return false; | |
| 397 } | |
| 398 | |
| 399 bool _NPN_SetProperty(NPP npp, NPObject* npObject, NPIdentifier propertyName, co
nst NPVariant* value) | |
| 400 { | |
| 401 if (!npObject) | |
| 402 return false; | |
| 403 | |
| 404 if (V8NPObject* object = npObjectToV8NPObject(npObject)) { | |
| 405 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 406 ScriptState* scriptState = mainWorldScriptState(isolate, npp, npObject); | |
| 407 if (!scriptState) | |
| 408 return false; | |
| 409 | |
| 410 ScriptState::Scope scope(scriptState); | |
| 411 ExceptionCatcher exceptionCatcher; | |
| 412 | |
| 413 v8::Handle<v8::Object> obj = v8::Local<v8::Object>::New(isolate, object-
>v8Object); | |
| 414 obj->Set(npIdentifierToV8Identifier(propertyName, isolate), convertNPVar
iantToV8Object(value, object->rootObject->frame()->script().windowScriptNPObject
(), isolate)); | |
| 415 return true; | |
| 416 } | |
| 417 | |
| 418 if (npObject->_class->setProperty) | |
| 419 return npObject->_class->setProperty(npObject, propertyName, value); | |
| 420 | |
| 421 return false; | |
| 422 } | |
| 423 | |
| 424 bool _NPN_RemoveProperty(NPP npp, NPObject* npObject, NPIdentifier propertyName) | |
| 425 { | |
| 426 if (!npObject) | |
| 427 return false; | |
| 428 | |
| 429 V8NPObject* object = npObjectToV8NPObject(npObject); | |
| 430 if (!object) | |
| 431 return false; | |
| 432 | |
| 433 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 434 ScriptState* scriptState = mainWorldScriptState(isolate, npp, npObject); | |
| 435 if (!scriptState) | |
| 436 return false; | |
| 437 ScriptState::Scope scope(scriptState); | |
| 438 ExceptionCatcher exceptionCatcher; | |
| 439 | |
| 440 v8::Handle<v8::Object> obj = v8::Local<v8::Object>::New(isolate, object->v8O
bject); | |
| 441 // FIXME: Verify that setting to undefined is right. | |
| 442 obj->Set(npIdentifierToV8Identifier(propertyName, isolate), v8::Undefined(is
olate)); | |
| 443 return true; | |
| 444 } | |
| 445 | |
| 446 bool _NPN_HasProperty(NPP npp, NPObject* npObject, NPIdentifier propertyName) | |
| 447 { | |
| 448 if (!npObject) | |
| 449 return false; | |
| 450 | |
| 451 if (V8NPObject* object = npObjectToV8NPObject(npObject)) { | |
| 452 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 453 ScriptState* scriptState = mainWorldScriptState(isolate, npp, npObject); | |
| 454 if (!scriptState) | |
| 455 return false; | |
| 456 ScriptState::Scope scope(scriptState); | |
| 457 ExceptionCatcher exceptionCatcher; | |
| 458 | |
| 459 v8::Handle<v8::Object> obj = v8::Local<v8::Object>::New(isolate, object-
>v8Object); | |
| 460 return obj->Has(npIdentifierToV8Identifier(propertyName, isolate)); | |
| 461 } | |
| 462 | |
| 463 if (npObject->_class->hasProperty) | |
| 464 return npObject->_class->hasProperty(npObject, propertyName); | |
| 465 return false; | |
| 466 } | |
| 467 | |
| 468 bool _NPN_HasMethod(NPP npp, NPObject* npObject, NPIdentifier methodName) | |
| 469 { | |
| 470 if (!npObject) | |
| 471 return false; | |
| 472 | |
| 473 if (V8NPObject* object = npObjectToV8NPObject(npObject)) { | |
| 474 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 475 ScriptState* scriptState = mainWorldScriptState(isolate, npp, npObject); | |
| 476 if (!scriptState) | |
| 477 return false; | |
| 478 ScriptState::Scope scope(scriptState); | |
| 479 ExceptionCatcher exceptionCatcher; | |
| 480 | |
| 481 v8::Handle<v8::Object> obj = v8::Local<v8::Object>::New(isolate, object-
>v8Object); | |
| 482 v8::Handle<v8::Value> prop = obj->Get(npIdentifierToV8Identifier(methodN
ame, isolate)); | |
| 483 return prop->IsFunction(); | |
| 484 } | |
| 485 | |
| 486 if (npObject->_class->hasMethod) | |
| 487 return npObject->_class->hasMethod(npObject, methodName); | |
| 488 return false; | |
| 489 } | |
| 490 | |
| 491 void _NPN_SetException(NPObject* npObject, const NPUTF8 *message) | |
| 492 { | |
| 493 if (!npObject || !npObjectToV8NPObject(npObject)) { | |
| 494 // We won't be able to find a proper scope for this exception, so just t
hrow it. | |
| 495 // This is consistent with JSC, which throws a global exception all the
time. | |
| 496 throwError(v8GeneralError, message, v8::Isolate::GetCurrent()); | |
| 497 return; | |
| 498 } | |
| 499 | |
| 500 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 501 ScriptState* scriptState = mainWorldScriptState(isolate, 0, npObject); | |
| 502 if (!scriptState) | |
| 503 return; | |
| 504 | |
| 505 ScriptState::Scope scope(scriptState); | |
| 506 ExceptionCatcher exceptionCatcher; | |
| 507 | |
| 508 throwError(v8GeneralError, message, isolate); | |
| 509 } | |
| 510 | |
| 511 bool _NPN_Enumerate(NPP npp, NPObject* npObject, NPIdentifier** identifier, uint
32_t* count) | |
| 512 { | |
| 513 if (!npObject) | |
| 514 return false; | |
| 515 | |
| 516 if (V8NPObject* object = npObjectToV8NPObject(npObject)) { | |
| 517 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 518 ScriptState* scriptState = mainWorldScriptState(isolate, npp, npObject); | |
| 519 if (!scriptState) | |
| 520 return false; | |
| 521 ScriptState::Scope scope(scriptState); | |
| 522 ExceptionCatcher exceptionCatcher; | |
| 523 | |
| 524 v8::Handle<v8::Object> obj = v8::Local<v8::Object>::New(isolate, object-
>v8Object); | |
| 525 | |
| 526 // FIXME: http://b/issue?id=1210340: Use a v8::Object::Keys() method whe
n it exists, instead of evaluating javascript. | |
| 527 | |
| 528 // FIXME: Figure out how to cache this helper function. Run a helper fu
nction that collects the properties | |
| 529 // on the object into an array. | |
| 530 const char enumeratorCode[] = | |
| 531 "(function (obj) {" | |
| 532 " var props = [];" | |
| 533 " for (var prop in obj) {" | |
| 534 " props[props.length] = prop;" | |
| 535 " }" | |
| 536 " return props;" | |
| 537 "});"; | |
| 538 v8::Handle<v8::String> source = v8AtomicString(isolate, enumeratorCode); | |
| 539 v8::Handle<v8::Value> result = V8ScriptRunner::compileAndRunInternalScri
pt(source, isolate); | |
| 540 ASSERT(!result.IsEmpty()); | |
| 541 ASSERT(result->IsFunction()); | |
| 542 v8::Handle<v8::Function> enumerator = v8::Handle<v8::Function>::Cast(res
ult); | |
| 543 v8::Handle<v8::Value> argv[] = { obj }; | |
| 544 v8::Local<v8::Value> propsObj = V8ScriptRunner::callInternalFunction(enu
merator, v8::Handle<v8::Object>::Cast(result), WTF_ARRAY_LENGTH(argv), argv, iso
late); | |
| 545 if (propsObj.IsEmpty()) | |
| 546 return false; | |
| 547 | |
| 548 // Convert the results into an array of NPIdentifiers. | |
| 549 v8::Handle<v8::Array> props = v8::Handle<v8::Array>::Cast(propsObj); | |
| 550 *count = props->Length(); | |
| 551 *identifier = static_cast<NPIdentifier*>(calloc(*count, sizeof(NPIdentif
ier))); | |
| 552 for (uint32_t i = 0; i < *count; ++i) { | |
| 553 v8::Local<v8::Value> name = props->Get(v8::Integer::New(isolate, i))
; | |
| 554 (*identifier)[i] = getStringIdentifier(v8::Local<v8::String>::Cast(n
ame)); | |
| 555 } | |
| 556 return true; | |
| 557 } | |
| 558 | |
| 559 if (NP_CLASS_STRUCT_VERSION_HAS_ENUM(npObject->_class) && npObject->_class->
enumerate) | |
| 560 return npObject->_class->enumerate(npObject, identifier, count); | |
| 561 | |
| 562 return false; | |
| 563 } | |
| 564 | |
| 565 bool _NPN_Construct(NPP npp, NPObject* npObject, const NPVariant* arguments, uin
t32_t argumentCount, NPVariant* result) | |
| 566 { | |
| 567 if (!npObject) | |
| 568 return false; | |
| 569 | |
| 570 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | |
| 571 | |
| 572 if (V8NPObject* object = npObjectToV8NPObject(npObject)) { | |
| 573 ScriptState* scriptState = mainWorldScriptState(isolate, npp, npObject); | |
| 574 if (!scriptState) | |
| 575 return false; | |
| 576 ScriptState::Scope scope(scriptState); | |
| 577 ExceptionCatcher exceptionCatcher; | |
| 578 | |
| 579 // Lookup the constructor function. | |
| 580 v8::Handle<v8::Object> ctorObj = v8::Local<v8::Object>::New(isolate, obj
ect->v8Object); | |
| 581 if (!ctorObj->IsFunction()) | |
| 582 return false; | |
| 583 | |
| 584 // Call the constructor. | |
| 585 v8::Local<v8::Value> resultObject; | |
| 586 v8::Handle<v8::Function> ctor = v8::Handle<v8::Function>::Cast(ctorObj); | |
| 587 if (!ctor->IsNull()) { | |
| 588 LocalFrame* frame = object->rootObject->frame(); | |
| 589 ASSERT(frame); | |
| 590 OwnPtr<v8::Handle<v8::Value>[]> argv = createValueListFromVariantArg
s(arguments, argumentCount, npObject, isolate); | |
| 591 resultObject = V8ObjectConstructor::newInstanceInDocument(isolate, c
tor, argumentCount, argv.get(), frame ? frame->document() : 0); | |
| 592 } | |
| 593 | |
| 594 if (resultObject.IsEmpty()) | |
| 595 return false; | |
| 596 | |
| 597 convertV8ObjectToNPVariant(resultObject, npObject, result, isolate); | |
| 598 return true; | |
| 599 } | |
| 600 | |
| 601 if (NP_CLASS_STRUCT_VERSION_HAS_CTOR(npObject->_class) && npObject->_class->
construct) | |
| 602 return npObject->_class->construct(npObject, arguments, argumentCount, r
esult); | |
| 603 | |
| 604 return false; | |
| 605 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 351423002:
Moved files under Source/bindings/v8 to Source/bindings/core/v8. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk