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| 1 // Copyright 2011, Google Inc. | |
| 2 // All rights reserved. | |
| 3 // | |
| 4 // Redistribution and use in source and binary forms, with or without | |
| 5 // modification, are permitted provided that the following conditions are | |
| 6 // met: | |
| 7 // | |
| 8 // * Redistributions of source code must retain the above copyright | |
| 9 // notice, this list of conditions and the following disclaimer. | |
| 10 // * Redistributions in binary form must reproduce the above | |
| 11 // copyright notice, this list of conditions and the following disclaimer | |
| 12 // in the documentation and/or other materials provided with the | |
| 13 // distribution. | |
| 14 // * Neither the name of Google Inc. nor the names of its | |
| 15 // contributors may be used to endorse or promote products derived from | |
| 16 // this software without specific prior written permission. | |
| 17 // | |
| 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | |
| 30 #ifndef DartDOMWrapper_h | |
| 31 #define DartDOMWrapper_h | |
| 32 | |
| 33 #include "DartUtilities.h" | |
| 34 #include "EventListener.h" | |
| 35 #include "EventTarget.h" | |
| 36 #include "ExceptionCode.h" | |
| 37 #include "MediaQueryListListener.h" | |
| 38 #include "OptionsObject.h" | |
| 39 #include "Range.h" | |
| 40 #include "ScriptValue.h" | |
| 41 #include "SerializedScriptValue.h" | |
| 42 #if ENABLE(SVG) | |
| 43 #include "SVGPropertyTearOff.h" | |
| 44 #endif | |
| 45 #include "VoidCallback.h" | |
| 46 #include "npruntime_impl.h" | |
| 47 | |
| 48 #include <bindings/npruntime.h> | |
| 49 #include <dart_api.h> | |
| 50 #include <wtf/PassRefPtr.h> | |
| 51 #include <wtf/RefPtr.h> | |
| 52 #include <wtf/text/AtomicString.h> | |
| 53 #include <wtf/text/WTFString.h> | |
| 54 | |
| 55 namespace WebCore { | |
| 56 | |
| 57 #if ENABLE(FILE_SYSTEM) | |
| 58 class Entry; | |
| 59 class EntrySync; | |
| 60 #endif | |
| 61 | |
| 62 #if ENABLE(INDEXED_DATABASE) | |
| 63 class IDBAny; | |
| 64 class IDBKey; | |
| 65 #endif | |
| 66 | |
| 67 #if ENABLE(SVG) | |
| 68 class SVGPathSeg; | |
| 69 #endif | |
| 70 | |
| 71 enum ConversionFlag { | |
| 72 ConvertNone = 0, | |
| 73 ConvertDefaultToNull = 1 | |
| 74 }; | |
| 75 | |
| 76 // The only purpose of this template declaration is to prohibit implicit | |
| 77 // conversions of toDartValue parameter. | |
| 78 template <typename Type> | |
| 79 Dart_Handle toDartValue(Type value); | |
| 80 | |
| 81 template <typename Type> | |
| 82 Dart_Handle toDartValue(Type value, ConversionFlag); | |
| 83 | |
| 84 inline Dart_Handle toDartValue(const AtomicString& value, ConversionFlag flag =
ConvertNone) | |
| 85 { | |
| 86 if ((flag & ConvertDefaultToNull) && value.isNull()) | |
| 87 return 0; | |
| 88 return DartUtilities::stringToDartString(value); | |
| 89 } | |
| 90 | |
| 91 inline Dart_Handle toDartValue(const String& value, ConversionFlag flag = Conver
tNone) | |
| 92 { | |
| 93 if ((flag & ConvertDefaultToNull) && value.isNull()) | |
| 94 return 0; | |
| 95 return DartUtilities::stringToDartString(value); | |
| 96 } | |
| 97 | |
| 98 inline Dart_Handle toDartValue(bool value) | |
| 99 { | |
| 100 return Dart_NewBoolean(value); | |
| 101 } | |
| 102 | |
| 103 inline Dart_Handle toDartValue(unsigned long long value) | |
| 104 { | |
| 105 // FIXME: WebIDL unsigned long long is guaranteed to fit into 64-bit unsigne
d, | |
| 106 // so we need a dart API for constructing an integer from uint64_t. | |
| 107 ASSERT(value <= 0x7fffffffffffffffLL); | |
| 108 return Dart_NewInteger(static_cast<int64_t>(value)); | |
| 109 } | |
| 110 | |
| 111 inline Dart_Handle toDartValue(int64_t value) | |
| 112 { | |
| 113 return Dart_NewInteger(value); | |
| 114 } | |
| 115 | |
| 116 inline Dart_Handle toDartValue(intptr_t value) | |
| 117 { | |
| 118 return Dart_NewInteger(value); | |
| 119 } | |
| 120 | |
| 121 inline Dart_Handle toDartValue(float value) | |
| 122 { | |
| 123 return Dart_NewDouble(value); | |
| 124 } | |
| 125 | |
| 126 inline Dart_Handle toDartValue(double value) | |
| 127 { | |
| 128 return Dart_NewDouble(value); | |
| 129 } | |
| 130 | |
| 131 inline Dart_Handle toDartValue(const KURL& value, ConversionFlag flag = ConvertN
one) | |
| 132 { | |
| 133 return toDartValue(value.string(), flag); | |
| 134 } | |
| 135 | |
| 136 inline Dart_Handle toDartValue(const ScriptValue& value) | |
| 137 { | |
| 138 // FIXME: dart specific implementation of ScriptValue and | |
| 139 // proper conversion. | |
| 140 DART_UNIMPLEMENTED(); | |
| 141 return 0; | |
| 142 } | |
| 143 | |
| 144 inline Dart_Handle toDartValue(SerializedScriptValue* value) | |
| 145 { | |
| 146 return DartUtilities::fromSerializedScriptValue(value); | |
| 147 } | |
| 148 | |
| 149 Dart_Handle toDartValue(NPObject* object); | |
| 150 | |
| 151 class ContainerNode; | |
| 152 Dart_Handle toDartValue(ContainerNode*); | |
| 153 | |
| 154 class CSSMutableStyleDeclaration; | |
| 155 Dart_Handle toDartValue(CSSMutableStyleDeclaration*); | |
| 156 | |
| 157 class HTMLFormControlElement; | |
| 158 Dart_Handle toDartValue(HTMLFormControlElement*); | |
| 159 | |
| 160 class DartDOMWrapper { | |
| 161 public: | |
| 162 template <class WebkitClass> | |
| 163 static Dart_Handle newWrapper(const char* className, WebkitClass* domObject) | |
| 164 { | |
| 165 Dart_Handle wrapper = instantiateWrapper(className); | |
| 166 installNativePointers(domObject, wrapper); | |
| 167 return wrapper; | |
| 168 } | |
| 169 | |
| 170 template <class BindingsClass> | |
| 171 static Dart_Handle toDart(typename BindingsClass::NativeType* instance) | |
| 172 { | |
| 173 return toDart(instance, BindingsClass::dartImplementationClassName); | |
| 174 } | |
| 175 | |
| 176 template <class WebkitClass> | |
| 177 static Dart_Handle toDart(WebkitClass* instance, const char* className) | |
| 178 { | |
| 179 if (!instance) | |
| 180 return 0; | |
| 181 | |
| 182 // FIXME: custom toDartValue implementations should check the cache firs
t. | |
| 183 // FIXME: separate maps for nodes, dom objects and active dom objects. | |
| 184 DartDOMMap* domMap = DartUtilities::domMapForCurrentIsolate(); | |
| 185 Dart_Handle wrapper = domMap->get(instance); | |
| 186 if (wrapper) | |
| 187 return wrapper; | |
| 188 | |
| 189 wrapper = instantiateWrapper(className); | |
| 190 bindDOMObjectToDartWrapper(instance, wrapper); | |
| 191 return wrapper; | |
| 192 } | |
| 193 | |
| 194 template <class WebkitClass> | |
| 195 static void bindDOMObjectToDartWrapper(WebkitClass* domObject, Dart_Handle w
rapper) | |
| 196 { | |
| 197 ASSERT(domObject); | |
| 198 domObject->ref(); | |
| 199 installNativePointers(domObject, wrapper); | |
| 200 | |
| 201 // FIXME: make persistent handle weak and deref domObject in weak callba
ck. | |
| 202 Dart_Handle persistentWrapperHandle = Dart_NewPersistentHandle(wrapper); | |
| 203 | |
| 204 DartDOMMap* domMap = DartUtilities::domMapForCurrentIsolate(); | |
| 205 ASSERT(!domMap->contains(domObject)); | |
| 206 domMap->set(domObject, persistentWrapperHandle); | |
| 207 } | |
| 208 | |
| 209 template <class BindingsClass> | |
| 210 static typename BindingsClass::NativeType* unwrapDartWrapper(Dart_Handle wra
pper, Dart_Handle& exception) | |
| 211 { | |
| 212 // FIXME: support cross-domain wrappers. | |
| 213 if (!instanceOf(BindingsClass::dartImplementationClassName, wrapper, exc
eption)) | |
| 214 return 0; | |
| 215 ASSERT(!exception); | |
| 216 void* nativePointer = readNativePointer(wrapper, kNativeImplementationIn
dex); | |
| 217 return reinterpret_cast<typename BindingsClass::NativeType*>(nativePoint
er); | |
| 218 } | |
| 219 | |
| 220 static void derefDOMObject(Dart_Handle wrapper, void* domObject); | |
| 221 | |
| 222 template <class WebkitClass> | |
| 223 static WebkitClass* receiver(Dart_NativeArguments args) | |
| 224 { | |
| 225 // Type of receiver is ensured by Dart VM runtime, so bypass additional
checks. | |
| 226 void* nativePointer = readNativePointer(Dart_GetNativeArgument(args, 0),
kNativeImplementationIndex); | |
| 227 WebkitClass* const recv = static_cast<WebkitClass*>(nativePointer); | |
| 228 ASSERT(recv); // Never should return 0. | |
| 229 return recv; | |
| 230 } | |
| 231 | |
| 232 template <typename Type> | |
| 233 static void returnValue(Dart_NativeArguments args, const Type& value) | |
| 234 { | |
| 235 Dart_Handle result = toDartValue(value); | |
| 236 if (result) | |
| 237 Dart_SetReturnValue(args, result); | |
| 238 } | |
| 239 | |
| 240 static int wrapperNativeFieldCount() { return kNativeFieldCount; } | |
| 241 | |
| 242 template <typename Type> | |
| 243 static void returnValue(Dart_NativeArguments args, const Type& value, Conver
sionFlag flag) | |
| 244 { | |
| 245 Dart_Handle result = toDartValue(value, flag); | |
| 246 if (result) | |
| 247 Dart_SetReturnValue(args, result); | |
| 248 } | |
| 249 | |
| 250 static Dart_Handle exceptionCodeToDartException(ExceptionCode); | |
| 251 | |
| 252 private: | |
| 253 enum NativeFieldIndices { | |
| 254 kNativeImplementationIndex = 0, | |
| 255 kDerefObjectFunctionIndex, | |
| 256 kNativeFieldCount | |
| 257 }; | |
| 258 | |
| 259 static Dart_Handle instantiateWrapper(const char* className); | |
| 260 static bool instanceOf(const char* dartImplementationClassName, Dart_Handle
wrapper, Dart_Handle& exception); | |
| 261 | |
| 262 static void writeNativePointer(Dart_Handle wrapper, int index, void* pointer
) | |
| 263 { | |
| 264 DartApiScope scope; | |
| 265 Dart_Handle result = Dart_SetNativeInstanceField(wrapper, index, reinter
pret_cast<intptr_t>(pointer)); | |
| 266 UNUSED_PARAM(result); | |
| 267 ASSERT(!Dart_IsError(result)); | |
| 268 } | |
| 269 | |
| 270 static void* readNativePointer(Dart_Handle wrapper, int index) | |
| 271 { | |
| 272 // FIXME: Try to remove this scope from the hot path. | |
| 273 DartApiScope scope; | |
| 274 intptr_t value; | |
| 275 Dart_Handle result = Dart_GetNativeInstanceField(wrapper, index, &value)
; | |
| 276 ASSERT(!Dart_IsError(result)); | |
| 277 UNUSED_PARAM(result); | |
| 278 return reinterpret_cast<void*>(value); | |
| 279 } | |
| 280 | |
| 281 template <class WebkitClass> | |
| 282 static void installNativePointers(WebkitClass* domObject, Dart_Handle wrappe
r) | |
| 283 { | |
| 284 ASSERT(domObject); | |
| 285 DerefObjectFunction derefObjectFunction = &DartDOMWrapper::derefObject<W
ebkitClass>; | |
| 286 writeNativePointer(wrapper, kNativeImplementationIndex, domObject); | |
| 287 writeNativePointer(wrapper, kDerefObjectFunctionIndex, reinterpret_cast<
void*>(derefObjectFunction)); | |
| 288 } | |
| 289 | |
| 290 typedef void (*DerefObjectFunction)(void*); | |
| 291 | |
| 292 template<typename T> | |
| 293 static void derefObject(void* pointer) | |
| 294 { | |
| 295 static_cast<T*>(pointer)->deref(); | |
| 296 } | |
| 297 }; | |
| 298 | |
| 299 template<> | |
| 300 inline void DartDOMWrapper::derefObject<NPObject>(void*) | |
| 301 { | |
| 302 // FIXME: proper deref. | |
| 303 } | |
| 304 | |
| 305 // ParameterAdapter. | |
| 306 | |
| 307 template <typename Value> | |
| 308 class ParameterAdapterBase { | |
| 309 public: | |
| 310 bool conversionSuccessful() const { return !m_exception; } | |
| 311 | |
| 312 Dart_Handle exception() const | |
| 313 { | |
| 314 ASSERT(!conversionSuccessful()); | |
| 315 return m_exception; | |
| 316 } | |
| 317 | |
| 318 protected: | |
| 319 | |
| 320 ParameterAdapterBase() | |
| 321 : m_value() | |
| 322 , m_exception(0) { } | |
| 323 | |
| 324 void setException(Dart_Handle exception) | |
| 325 { | |
| 326 ASSERT(exception); | |
| 327 m_exception = exception; | |
| 328 ASSERT(!conversionSuccessful()); | |
| 329 } | |
| 330 | |
| 331 const Value& value() const | |
| 332 { | |
| 333 ASSERT(conversionSuccessful()); | |
| 334 return m_value; | |
| 335 } | |
| 336 | |
| 337 void setValue(Value value) | |
| 338 { | |
| 339 m_value = value; | |
| 340 } | |
| 341 | |
| 342 protected: | |
| 343 Value m_value; | |
| 344 | |
| 345 private: | |
| 346 Dart_Handle m_exception; | |
| 347 }; | |
| 348 | |
| 349 | |
| 350 template <class NativeValue, class DartBindingsClass = void> | |
| 351 class ParameterAdapter : public ParameterAdapterBase<NativeValue*> { | |
| 352 public: | |
| 353 explicit ParameterAdapter(Dart_Handle handle) | |
| 354 { | |
| 355 Dart_Handle exception = 0; | |
| 356 this->setValue(DartBindingsClass::toNative(handle, exception).get()); | |
| 357 if (exception) | |
| 358 this->setException(exception); | |
| 359 } | |
| 360 | |
| 361 operator PassRefPtr<NativeValue>() const { return this->value(); } | |
| 362 operator NativeValue*() const { return this->value(); } | |
| 363 }; | |
| 364 | |
| 365 template <> | |
| 366 class ParameterAdapter< RefPtr<EventListener> > : public ParameterAdapterBase< R
efPtr<EventListener> > { | |
| 367 public: | |
| 368 explicit ParameterAdapter(Dart_Handle handle) | |
| 369 { | |
| 370 // FIXME: abstract away this common pattern of exception management in c
onversion. | |
| 371 Dart_Handle exception = 0; | |
| 372 this->setValue(DartUtilities::toEventListener(handle, exception)); | |
| 373 if (exception) | |
| 374 this->setException(exception); | |
| 375 } | |
| 376 operator EventListener*() const { return this->value().get(); } | |
| 377 operator PassRefPtr<EventListener>() const { return this->value(); } | |
| 378 }; | |
| 379 | |
| 380 template <> | |
| 381 class ParameterAdapter< RefPtr<EventTarget> > : public ParameterAdapterBase< Ref
Ptr<EventTarget> > { | |
| 382 public: | |
| 383 explicit ParameterAdapter(Dart_Handle handle) | |
| 384 { | |
| 385 // FIXME: abstract away this common pattern of exception management in c
onversion. | |
| 386 Dart_Handle exception = 0; | |
| 387 this->setValue(DartUtilities::toEventTarget(handle, exception)); | |
| 388 if (exception) | |
| 389 this->setException(exception); | |
| 390 } | |
| 391 operator EventTarget*() const { return this->value().get(); } | |
| 392 operator PassRefPtr<EventTarget>() const { return this->value(); } | |
| 393 }; | |
| 394 | |
| 395 template <> | |
| 396 class ParameterAdapter< RefPtr<MediaQueryListListener> > : public ParameterAdapt
erBase<MediaQueryListListener*> { | |
| 397 public: | |
| 398 explicit ParameterAdapter(Dart_Handle handle) | |
| 399 { | |
| 400 setException(Dart_NewString("Not supported yet")); | |
| 401 } | |
| 402 operator MediaQueryListListener*() const { return this->value(); } | |
| 403 operator PassRefPtr<MediaQueryListListener>() const { return this->value();
} | |
| 404 }; | |
| 405 | |
| 406 template <> | |
| 407 class ParameterAdapter< RefPtr<SerializedScriptValue> > : public ParameterAdapte
rBase< RefPtr<SerializedScriptValue> > { | |
| 408 public: | |
| 409 explicit ParameterAdapter(Dart_Handle handle) | |
| 410 { | |
| 411 // FIXME: abstract away this common pattern of exception management in c
onversion. | |
| 412 Dart_Handle exception = 0; | |
| 413 this->setValue(DartUtilities::toSerializedScriptValue(handle, exception)
); | |
| 414 if (exception) | |
| 415 this->setException(exception); | |
| 416 } | |
| 417 operator SerializedScriptValue*() const { return this->value().get(); } | |
| 418 operator PassRefPtr<SerializedScriptValue>() const { return this->value(); } | |
| 419 PassRefPtr<SerializedScriptValue> release() { return m_value->release(); } | |
| 420 }; | |
| 421 | |
| 422 template <> | |
| 423 class ParameterAdapter< RefPtr<VoidCallback> > : public ParameterAdapterBase<Voi
dCallback*> { | |
| 424 public: | |
| 425 explicit ParameterAdapter(Dart_Handle handle) | |
| 426 { | |
| 427 setException(Dart_NewString("Not supported yet")); | |
| 428 } | |
| 429 operator VoidCallback*() const { return this->value(); } | |
| 430 operator PassRefPtr<VoidCallback>() const { return this->value(); } | |
| 431 }; | |
| 432 | |
| 433 #if ENABLE(SVG) | |
| 434 template <class NativeValue, class DartBindingsClass> | |
| 435 class ParameterAdapter< RefPtr<SVGPropertyTearOff<NativeValue> >, DartBindingsCl
ass> : public ParameterAdapterBase< RefPtr<SVGPropertyTearOff<NativeValue> > > { | |
| 436 public: | |
| 437 explicit ParameterAdapter(Dart_Handle handle) | |
| 438 { | |
| 439 Dart_Handle exception = 0; | |
| 440 this->setValue(DartBindingsClass::toNative(handle, exception).get()); | |
| 441 if (exception) | |
| 442 this->setException(exception); | |
| 443 } | |
| 444 operator const NativeValue&() const { return this->value()->propertyReferenc
e(); } | |
| 445 operator NativeValue&() { return this->value()->propertyReference(); } | |
| 446 operator PassRefPtr<SVGPropertyTearOff<NativeValue> >() const { return this-
>value(); } | |
| 447 operator SVGPropertyTearOff<NativeValue>*() const { return this->value().get
(); } | |
| 448 }; | |
| 449 #endif // ENABLE(SVG) | |
| 450 | |
| 451 template <class NativeValue, class DartBindingsClass> | |
| 452 class ParameterAdapter< RefPtr<NativeValue>, DartBindingsClass > : public Parame
terAdapterBase< RefPtr<NativeValue> > { | |
| 453 public: | |
| 454 explicit ParameterAdapter(Dart_Handle handle) | |
| 455 { | |
| 456 Dart_Handle exception = 0; | |
| 457 this->setValue(DartBindingsClass::toNative(handle, exception)); | |
| 458 if (exception) | |
| 459 this->setException(exception); | |
| 460 } | |
| 461 | |
| 462 operator PassRefPtr<NativeValue>() const { return this->value(); } | |
| 463 operator RefPtr<NativeValue>() const { return this->value(); } | |
| 464 operator NativeValue*() const { return this->value().get(); } | |
| 465 }; | |
| 466 | |
| 467 class DoubleParameterAdapter : public ParameterAdapterBase<double> { | |
| 468 protected: | |
| 469 explicit DoubleParameterAdapter(Dart_Handle handle) | |
| 470 { | |
| 471 Dart_Handle exception = 0; | |
| 472 setValue(DartUtilities::toDouble(handle, exception)); | |
| 473 if (exception) | |
| 474 setException(exception); | |
| 475 } | |
| 476 }; | |
| 477 | |
| 478 template <> | |
| 479 class ParameterAdapter<double> : public DoubleParameterAdapter { | |
| 480 public: | |
| 481 explicit ParameterAdapter(Dart_Handle handle) | |
| 482 : DoubleParameterAdapter(handle) { } | |
| 483 operator double() const { return this->value(); } | |
| 484 }; | |
| 485 | |
| 486 template <> | |
| 487 class ParameterAdapter<float> : public DoubleParameterAdapter { | |
| 488 public: | |
| 489 explicit ParameterAdapter(Dart_Handle handle) | |
| 490 : DoubleParameterAdapter(handle) { } | |
| 491 operator float() const { return this->value(); } | |
| 492 }; | |
| 493 | |
| 494 class IntParameterAdapter : public ParameterAdapterBase<int64_t> { | |
| 495 protected: | |
| 496 explicit IntParameterAdapter(Dart_Handle handle) | |
| 497 { | |
| 498 Dart_Handle exception = 0; | |
| 499 setValue(DartUtilities::toInteger(handle, exception)); | |
| 500 if (exception) | |
| 501 setException(exception); | |
| 502 } | |
| 503 }; | |
| 504 | |
| 505 template <> | |
| 506 class ParameterAdapter<int> : public IntParameterAdapter { | |
| 507 public: | |
| 508 explicit ParameterAdapter(Dart_Handle handle) | |
| 509 : IntParameterAdapter(handle) | |
| 510 { | |
| 511 if (conversionSuccessful() && (value() < INT_MIN || value() > INT_MAX)) | |
| 512 setException(Dart_NewString("value out of range")); | |
| 513 } | |
| 514 operator int() const { return this->value(); } | |
| 515 }; | |
| 516 | |
| 517 template <> | |
| 518 class ParameterAdapter<long long> : public IntParameterAdapter { | |
| 519 public: | |
| 520 explicit ParameterAdapter(Dart_Handle handle) | |
| 521 : IntParameterAdapter(handle) { } | |
| 522 // FIXME: proper processing of longer integer values. | |
| 523 operator long long() const { return this->value(); } | |
| 524 }; | |
| 525 | |
| 526 template <> | |
| 527 class ParameterAdapter<unsigned int> : public IntParameterAdapter { | |
| 528 public: | |
| 529 explicit ParameterAdapter(Dart_Handle handle) | |
| 530 : IntParameterAdapter(handle) | |
| 531 { | |
| 532 if (conversionSuccessful() && (value() < 0 || value() > UINT_MAX)) | |
| 533 setException(Dart_NewString("value out of range")); | |
| 534 } | |
| 535 operator unsigned int() const { return this->value(); } | |
| 536 }; | |
| 537 | |
| 538 template <> | |
| 539 class ParameterAdapter<unsigned long long> : public IntParameterAdapter { | |
| 540 public: | |
| 541 explicit ParameterAdapter(Dart_Handle handle) | |
| 542 : IntParameterAdapter(handle) | |
| 543 { | |
| 544 if (conversionSuccessful() && value() < 0) | |
| 545 setException(Dart_NewString("value out of range")); | |
| 546 } | |
| 547 // FIXME: proper processing of longer integer values. | |
| 548 operator unsigned long long() const { return this->value(); } | |
| 549 }; | |
| 550 | |
| 551 // FIXME: [performance] need better treatment of String vs. AtomicString, cf. v8
implementation. | |
| 552 template <> | |
| 553 class ParameterAdapter<String> : public ParameterAdapterBase< RefPtr<StringImpl>
> { | |
| 554 public: | |
| 555 explicit ParameterAdapter(Dart_Handle handle, DartUtilities::ConversionFlag
flag = DartUtilities::ConvertNone) | |
| 556 { | |
| 557 Dart_Handle exception = 0; | |
| 558 setValue(DartUtilities::toStringImpl(handle, flag, exception)); | |
| 559 if (exception) | |
| 560 setException(exception); | |
| 561 } | |
| 562 operator String() const { return String(this->value()); } | |
| 563 operator AtomicString() const { return AtomicString(this->value()); } | |
| 564 }; | |
| 565 | |
| 566 template <> | |
| 567 class ParameterAdapter<bool> : public ParameterAdapterBase<bool> { | |
| 568 public: | |
| 569 explicit ParameterAdapter(Dart_Handle handle) | |
| 570 { | |
| 571 Dart_Handle exception = 0; | |
| 572 setValue(DartUtilities::toBool(handle, exception)); | |
| 573 if (exception) | |
| 574 setException(exception); | |
| 575 } | |
| 576 operator bool() const { return this->value(); } | |
| 577 }; | |
| 578 | |
| 579 template <> | |
| 580 class ParameterAdapter<ScriptValue> : public ParameterAdapterBase<ScriptValue> { | |
| 581 public: | |
| 582 explicit ParameterAdapter(Dart_Handle handle) | |
| 583 { | |
| 584 setException(Dart_NewString("Not supported yet")); | |
| 585 } | |
| 586 operator ScriptValue() const { return this->value(); } | |
| 587 }; | |
| 588 | |
| 589 template <> | |
| 590 class ParameterAdapter<OptionsObject> : public ParameterAdapterBase<OptionsObjec
t> { | |
| 591 public: | |
| 592 explicit ParameterAdapter(Dart_Handle handle) | |
| 593 { | |
| 594 setException(Dart_NewString("Not supported yet")); | |
| 595 } | |
| 596 operator OptionsObject() const { return this->value(); } | |
| 597 }; | |
| 598 | |
| 599 template <> | |
| 600 class ParameterAdapter<Range::CompareHow> : public ParameterAdapterBase<Range::C
ompareHow> { | |
| 601 public: | |
| 602 explicit ParameterAdapter(Dart_Handle handle) | |
| 603 { | |
| 604 setException(Dart_NewString("Not supported yet")); | |
| 605 } | |
| 606 operator Range::CompareHow() const { return this->value(); } | |
| 607 }; | |
| 608 | |
| 609 } | |
| 610 | |
| 611 #endif // DartDOMWrapper_h | |
| OLD | NEW |
|---|
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