nsresult
nsJSUtils::EvaluateString(JSContext* aCx,
JS::SourceBufferHolder& aSrcBuf,
JS::Handle<JSObject*> aEvaluationGlobal,
JS::CompileOptions& aCompileOptions,
const EvaluateOptions& aEvaluateOptions,
JS::MutableHandle<JS::Value> aRetValue,
void **aOffThreadToken)
{
PROFILER_LABEL("nsJSUtils", "EvaluateString",
js::ProfileEntry::Category::JS);
MOZ_ASSERT(JS::ContextOptionsRef(aCx).autoJSAPIOwnsErrorReporting(),
"Caller must own error reporting");
MOZ_ASSERT_IF(aCompileOptions.versionSet,
aCompileOptions.version != JSVERSION_UNKNOWN);
MOZ_ASSERT_IF(aEvaluateOptions.coerceToString, !aCompileOptions.noScriptRval);
MOZ_ASSERT(aCx == nsContentUtils::GetCurrentJSContext());
MOZ_ASSERT(aSrcBuf.get());
MOZ_ASSERT(js::GetGlobalForObjectCrossCompartment(aEvaluationGlobal) ==
aEvaluationGlobal);
MOZ_ASSERT_IF(aOffThreadToken, aCompileOptions.noScriptRval);
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(nsContentUtils::IsInMicroTask());
// Unfortunately, the JS engine actually compiles scripts with a return value
// in a different, less efficient way. Furthermore, it can't JIT them in many
// cases. So we need to be explicitly told whether the caller cares about the
// return value. Callers can do this by calling the other overload of
// EvaluateString() which calls this function with
// aCompileOptions.noScriptRval set to true.
aRetValue.setUndefined();
nsresult rv = NS_OK;
nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
NS_ENSURE_TRUE(ssm->ScriptAllowed(aEvaluationGlobal), NS_OK);
bool ok = true;
// Scope the JSAutoCompartment so that we can later wrap the return value
// into the caller's cx.
{
JSAutoCompartment ac(aCx, aEvaluationGlobal);
// Now make sure to wrap the scope chain into the right compartment.
JS::AutoObjectVector scopeChain(aCx);
if (!scopeChain.reserve(aEvaluateOptions.scopeChain.length())) {
return NS_ERROR_OUT_OF_MEMORY;
}
for (size_t i = 0; i < aEvaluateOptions.scopeChain.length(); ++i) {
JS::ExposeObjectToActiveJS(aEvaluateOptions.scopeChain[i]);
scopeChain.infallibleAppend(aEvaluateOptions.scopeChain[i]);
if (!JS_WrapObject(aCx, scopeChain[i])) {
ok = false;
break;
}
}
if (ok && aOffThreadToken) {
JS::Rooted<JSScript*>
script(aCx, JS::FinishOffThreadScript(aCx, JS_GetRuntime(aCx), *aOffThreadToken));
*aOffThreadToken = nullptr; // Mark the token as having been finished.
if (script) {
ok = JS_ExecuteScript(aCx, scopeChain, script);
} else {
ok = false;
}
} else if (ok) {
ok = JS::Evaluate(aCx, scopeChain, aCompileOptions, aSrcBuf, aRetValue);
}
if (ok && aEvaluateOptions.coerceToString && !aRetValue.isUndefined()) {
JS::Rooted<JS::Value> value(aCx, aRetValue);
JSString* str = JS::ToString(aCx, value);
ok = !!str;
aRetValue.set(ok ? JS::StringValue(str) : JS::UndefinedValue());
}
}
if (!ok) {
if (JS_IsExceptionPending(aCx)) {
rv = NS_SUCCESS_DOM_SCRIPT_EVALUATION_THREW;
} else {
rv = NS_SUCCESS_DOM_SCRIPT_EVALUATION_THREW_UNCATCHABLE;
}
if (!aCompileOptions.noScriptRval) {
aRetValue.setUndefined();
}
}
// Wrap the return value into whatever compartment aCx was in.
if (ok && !aCompileOptions.noScriptRval) {
if (!JS_WrapValue(aCx, aRetValue)) {
return NS_ERROR_OUT_OF_MEMORY;
}
}
return rv;
}
// Define a shadowing property on |this| for the XBL field defined by the
// contents of the callee's reserved slots. If the property was defined,
// *installed will be true, and idp will be set to the property name that was
// defined.
static JSBool
InstallXBLField(JSContext* cx,
JS::Handle<JSObject*> callee, JS::Handle<JSObject*> thisObj,
JS::MutableHandle<jsid> idp, bool* installed)
{
*installed = false;
// First ensure |this| is a reasonable XBL bound node.
//
// FieldAccessorGuard already determined whether |thisObj| was acceptable as
// |this| in terms of not throwing a TypeError. Assert this for good measure.
MOZ_ASSERT(ValueHasISupportsPrivate(JS::ObjectValue(*thisObj)));
// But there are some cases where we must accept |thisObj| but not install a
// property on it, or otherwise touch it. Hence this split of |this|-vetting
// duties.
nsISupports* native =
nsContentUtils::XPConnect()->GetNativeOfWrapper(cx, thisObj);
if (!native) {
// Looks like whatever |thisObj| is it's not our nsIContent. It might well
// be the proto our binding installed, however, where the private is the
// nsXBLDocumentInfo, so just baul out quietly. Do NOT throw an exception
// here.
//
// We could make this stricter by checking the class maybe, but whatever.
return true;
}
nsCOMPtr<nsIContent> xblNode = do_QueryInterface(native);
if (!xblNode) {
xpc::Throw(cx, NS_ERROR_UNEXPECTED);
return false;
}
// Now that |this| is okay, actually install the field.
// Because of the possibility (due to XBL binding inheritance, because each
// XBL binding lives in its own global object) that |this| might be in a
// different compartment from the callee (not to mention that this method can
// be called with an arbitrary |this| regardless of how insane XBL is), and
// because in this method we've entered |this|'s compartment (see in
// Field[GS]etter where we attempt a cross-compartment call), we must enter
// the callee's compartment to access its reserved slots.
nsXBLPrototypeBinding* protoBinding;
nsDependentJSString fieldName;
{
JSAutoCompartment ac(cx, callee);
JS::Rooted<JSObject*> xblProto(cx);
xblProto = &js::GetFunctionNativeReserved(callee, XBLPROTO_SLOT).toObject();
JS::Rooted<JS::Value> name(cx, js::GetFunctionNativeReserved(callee, FIELD_SLOT));
JSFlatString* fieldStr = JS_ASSERT_STRING_IS_FLAT(name.toString());
fieldName.init(fieldStr);
MOZ_ALWAYS_TRUE(JS_ValueToId(cx, name, idp.address()));
// If a separate XBL scope is being used, the callee is not same-compartment
// with the xbl prototype, and the object is a cross-compartment wrapper.
xblProto = js::UncheckedUnwrap(xblProto);
JSAutoCompartment ac2(cx, xblProto);
JS::Value slotVal = ::JS_GetReservedSlot(xblProto, 0);
protoBinding = static_cast<nsXBLPrototypeBinding*>(slotVal.toPrivate());
MOZ_ASSERT(protoBinding);
}
nsXBLProtoImplField* field = protoBinding->FindField(fieldName);
MOZ_ASSERT(field);
// This mirrors code in nsXBLProtoImpl::InstallImplementation
nsIScriptGlobalObject* global = xblNode->OwnerDoc()->GetScriptGlobalObject();
if (!global) {
return true;
}
nsCOMPtr<nsIScriptContext> context = global->GetContext();
if (!context) {
return true;
}
nsresult rv = field->InstallField(context, thisObj, protoBinding->DocURI(),
installed);
if (NS_SUCCEEDED(rv)) {
return true;
}
if (!::JS_IsExceptionPending(cx)) {
xpc::Throw(cx, rv);
}
return false;
}
NS_IMETHODIMP
MobileMessageManager::Send(JS::Handle<JS::Value> aNumber,
const nsAString& aMessage,
JS::Handle<JS::Value> aSendParams,
JSContext* aCx,
uint8_t aArgc,
JS::MutableHandle<JS::Value> aReturn)
{
if (!aNumber.isString() && !JS_IsArrayObject(aCx, aNumber)) {
return NS_ERROR_INVALID_ARG;
}
nsresult rv;
nsIScriptContext* sc = GetContextForEventHandlers(&rv);
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_STATE(sc);
JS::Rooted<JSObject*> global(aCx, JS::CurrentGlobalOrNull(aCx));
mozilla::Maybe<JSAutoCompartment> ac;
if (!global) {
global = sc->GetWindowProxy();
ac.construct(aCx, global);
}
nsCOMPtr<nsISmsService> smsService = do_GetService(SMS_SERVICE_CONTRACTID);
NS_ENSURE_TRUE(smsService, NS_ERROR_FAILURE);
// Use the default one unless |aSendParams.serviceId| is available.
uint32_t serviceId;
rv = smsService->GetSmsDefaultServiceId(&serviceId);
NS_ENSURE_SUCCESS(rv, rv);
if (aArgc == 1) {
JS::Rooted<JS::Value> param(aCx, aSendParams);
RootedDictionary<SmsSendParameters> sendParams(aCx);
if (!sendParams.Init(aCx, param)) {
return NS_ERROR_TYPE_ERR;
}
if (sendParams.mServiceId.WasPassed()) {
serviceId = sendParams.mServiceId.Value();
}
}
if (aNumber.isString()) {
JS::Rooted<JSString*> str(aCx, aNumber.toString());
return Send(aCx, global, serviceId, str, aMessage, aReturn.address());
}
// Must be an array then.
JS::Rooted<JSObject*> numbers(aCx, &aNumber.toObject());
uint32_t size;
if (!JS_GetArrayLength(aCx, numbers, &size)) {
return NS_ERROR_FAILURE;
}
JS::AutoValueVector requests(aCx);
if (!requests.resize(size)) {
return NS_ERROR_FAILURE;
}
JS::Rooted<JS::Value> number(aCx);
JS::Rooted<JSString*> str(aCx);
for (uint32_t i = 0; i < size; ++i) {
if (!JS_GetElement(aCx, numbers, i, &number)) {
return NS_ERROR_INVALID_ARG;
}
str = JS::ToString(aCx, number);
if (!str) {
return NS_ERROR_FAILURE;
}
nsresult rv = Send(aCx, global, serviceId, str, aMessage, &requests[i]);
NS_ENSURE_SUCCESS(rv, rv);
}
JS::Rooted<JSObject*> obj(aCx);
obj = JS_NewArrayObject(aCx, requests);
if (!obj) {
return NS_ERROR_FAILURE;
}
aReturn.setObject(*obj);
return NS_OK;
}
bool
WindowNamedPropertiesHandler::getOwnPropertyDescriptor(JSContext* aCx,
JS::Handle<JSObject*> aProxy,
JS::Handle<jsid> aId,
JS::MutableHandle<JSPropertyDescriptor> aDesc,
unsigned aFlags)
{
if (!JSID_IS_STRING(aId)) {
// Nothing to do if we're resolving a non-string property.
return true;
}
JS::Rooted<JSObject*> global(aCx, JS_GetGlobalForObject(aCx, aProxy));
if (HasPropertyOnPrototype(aCx, aProxy, aId)) {
return true;
}
nsDependentJSString str(aId);
// Grab the DOM window.
XPCWrappedNative* wrapper = XPCWrappedNative::Get(global);
nsCOMPtr<nsPIDOMWindow> piWin = do_QueryWrappedNative(wrapper);
MOZ_ASSERT(piWin);
nsGlobalWindow* win = static_cast<nsGlobalWindow*>(piWin.get());
if (win->GetLength() > 0) {
nsCOMPtr<nsIDOMWindow> childWin = win->GetChildWindow(str);
if (childWin && ShouldExposeChildWindow(str, childWin)) {
// We found a subframe of the right name. Shadowing via |var foo| in
// global scope is still allowed, since |var| only looks up |own|
// properties. But unqualified shadowing will fail, per-spec.
JS::Rooted<JS::Value> v(aCx);
if (!WrapObject(aCx, aProxy, childWin, &v)) {
return false;
}
aDesc.object().set(aProxy);
aDesc.value().set(v);
aDesc.setAttributes(JSPROP_ENUMERATE);
return true;
}
}
// The rest of this function is for HTML documents only.
nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(win->GetExtantDoc());
if (!htmlDoc) {
return true;
}
nsHTMLDocument* document = static_cast<nsHTMLDocument*>(htmlDoc.get());
Element* element = document->GetElementById(str);
if (element) {
JS::Rooted<JS::Value> v(aCx);
if (!WrapObject(aCx, aProxy, element, &v)) {
return false;
}
aDesc.object().set(aProxy);
aDesc.value().set(v);
aDesc.setAttributes(JSPROP_ENUMERATE);
return true;
}
nsWrapperCache* cache;
nsISupports* result = document->ResolveName(str, &cache);
if (!result) {
return true;
}
JS::Rooted<JS::Value> v(aCx);
if (!WrapObject(aCx, aProxy, result, cache, nullptr, &v)) {
return false;
}
aDesc.object().set(aProxy);
aDesc.value().set(v);
aDesc.setAttributes(JSPROP_ENUMERATE);
return true;
}
nsresult
nsJSUtils::EvaluateString(JSContext* aCx,
JS::SourceBufferHolder& aSrcBuf,
JS::Handle<JSObject*> aScopeObject,
JS::CompileOptions& aCompileOptions,
const EvaluateOptions& aEvaluateOptions,
JS::MutableHandle<JS::Value> aRetValue,
void **aOffThreadToken)
{
PROFILER_LABEL("nsJSUtils", "EvaluateString",
js::ProfileEntry::Category::JS);
MOZ_ASSERT_IF(aCompileOptions.versionSet,
aCompileOptions.version != JSVERSION_UNKNOWN);
MOZ_ASSERT_IF(aEvaluateOptions.coerceToString, aEvaluateOptions.needResult);
MOZ_ASSERT_IF(!aEvaluateOptions.reportUncaught, aEvaluateOptions.needResult);
MOZ_ASSERT(aCx == nsContentUtils::GetCurrentJSContext());
MOZ_ASSERT(aSrcBuf.get());
// Unfortunately, the JS engine actually compiles scripts with a return value
// in a different, less efficient way. Furthermore, it can't JIT them in many
// cases. So we need to be explicitly told whether the caller cares about the
// return value. Callers can do this by calling the other overload of
// EvaluateString() which calls this function with aEvaluateOptions.needResult
// set to false.
aRetValue.setUndefined();
JS::ExposeObjectToActiveJS(aScopeObject);
nsAutoMicroTask mt;
nsresult rv = NS_OK;
bool ok = false;
nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
NS_ENSURE_TRUE(ssm->ScriptAllowed(js::GetGlobalForObjectCrossCompartment(aScopeObject)), NS_OK);
mozilla::Maybe<AutoDontReportUncaught> dontReport;
if (!aEvaluateOptions.reportUncaught) {
// We need to prevent AutoLastFrameCheck from reporting and clearing
// any pending exceptions.
dontReport.emplace(aCx);
}
// Scope the JSAutoCompartment so that we can later wrap the return value
// into the caller's cx.
{
JSAutoCompartment ac(aCx, aScopeObject);
JS::Rooted<JSObject*> rootedScope(aCx, aScopeObject);
if (aOffThreadToken) {
JS::Rooted<JSScript*>
script(aCx, JS::FinishOffThreadScript(aCx, JS_GetRuntime(aCx), *aOffThreadToken));
*aOffThreadToken = nullptr; // Mark the token as having been finished.
if (script) {
if (aEvaluateOptions.needResult) {
ok = JS_ExecuteScript(aCx, rootedScope, script, aRetValue);
} else {
ok = JS_ExecuteScript(aCx, rootedScope, script);
}
} else {
ok = false;
}
} else {
if (aEvaluateOptions.needResult) {
ok = JS::Evaluate(aCx, rootedScope, aCompileOptions,
aSrcBuf, aRetValue);
} else {
ok = JS::Evaluate(aCx, rootedScope, aCompileOptions,
aSrcBuf);
}
}
if (ok && aEvaluateOptions.coerceToString && !aRetValue.isUndefined()) {
JS::Rooted<JS::Value> value(aCx, aRetValue);
JSString* str = JS::ToString(aCx, value);
ok = !!str;
aRetValue.set(ok ? JS::StringValue(str) : JS::UndefinedValue());
}
}
if (!ok) {
if (aEvaluateOptions.reportUncaught) {
ReportPendingException(aCx);
if (aEvaluateOptions.needResult) {
aRetValue.setUndefined();
}
} else {
rv = JS_IsExceptionPending(aCx) ? NS_ERROR_FAILURE
: NS_ERROR_OUT_OF_MEMORY;
JS::Rooted<JS::Value> exn(aCx);
JS_GetPendingException(aCx, &exn);
if (aEvaluateOptions.needResult) {
aRetValue.set(exn);
}
JS_ClearPendingException(aCx);
}
}
// Wrap the return value into whatever compartment aCx was in.
if (aEvaluateOptions.needResult) {
JS::Rooted<JS::Value> v(aCx, aRetValue);
if (!JS_WrapValue(aCx, &v)) {
return NS_ERROR_OUT_OF_MEMORY;
}
aRetValue.set(v);
}
return rv;
}
NS_IMETHODIMP
MmsMessage::GetAttachments(JSContext* aCx, JS::MutableHandle<JS::Value> aAttachments)
{
uint32_t length = mAttachments.Length();
JS::Rooted<JSObject*> attachments(
aCx, JS_NewArrayObject(aCx, length));
NS_ENSURE_TRUE(attachments, NS_ERROR_OUT_OF_MEMORY);
for (uint32_t i = 0; i < length; ++i) {
const Attachment &attachment = mAttachments[i];
JS::Rooted<JSObject*> attachmentObj(aCx, JS_NewPlainObject(aCx));
NS_ENSURE_TRUE(attachmentObj, NS_ERROR_OUT_OF_MEMORY);
JS::Rooted<JSString*> tmpJsStr(aCx);
// Get |attachment.mId|.
tmpJsStr = JS_NewUCStringCopyN(aCx,
attachment.id.get(),
attachment.id.Length());
NS_ENSURE_TRUE(tmpJsStr, NS_ERROR_OUT_OF_MEMORY);
if (!JS_DefineProperty(aCx, attachmentObj, "id", tmpJsStr, JSPROP_ENUMERATE)) {
return NS_ERROR_FAILURE;
}
// Get |attachment.mLocation|.
tmpJsStr = JS_NewUCStringCopyN(aCx,
attachment.location.get(),
attachment.location.Length());
NS_ENSURE_TRUE(tmpJsStr, NS_ERROR_OUT_OF_MEMORY);
if (!JS_DefineProperty(aCx, attachmentObj, "location", tmpJsStr, JSPROP_ENUMERATE)) {
return NS_ERROR_FAILURE;
}
// Get |attachment.mContent|.
// Duplicating the File with the correct parent object.
nsIGlobalObject *global = xpc::NativeGlobal(JS::CurrentGlobalOrNull(aCx));
MOZ_ASSERT(global);
nsRefPtr<File> newBlob = new File(global, attachment.content->Impl());
JS::Rooted<JS::Value> val(aCx);
if (!GetOrCreateDOMReflector(aCx, newBlob, &val)) {
return NS_ERROR_FAILURE;
}
if (!JS_DefineProperty(aCx, attachmentObj, "content", val, JSPROP_ENUMERATE)) {
return NS_ERROR_FAILURE;
}
if (!JS_DefineElement(aCx, attachments, i, attachmentObj, JSPROP_ENUMERATE)) {
return NS_ERROR_FAILURE;
}
}
aAttachments.setObject(*attachments);
return NS_OK;
}
nsresult
nsXBLPrototypeHandler::EnsureEventHandler(AutoJSAPI& jsapi, nsIAtom* aName,
JS::MutableHandle<JSObject*> aHandler)
{
JSContext* cx = jsapi.cx();
// Check to see if we've already compiled this
JS::Rooted<JSObject*> globalObject(cx, JS::CurrentGlobalOrNull(cx));
nsCOMPtr<nsPIDOMWindowInner> pWindow = xpc::WindowOrNull(globalObject)->AsInner();
if (pWindow) {
JS::Rooted<JSObject*> cachedHandler(cx, pWindow->GetCachedXBLPrototypeHandler(this));
if (cachedHandler) {
JS::ExposeObjectToActiveJS(cachedHandler);
aHandler.set(cachedHandler);
NS_ENSURE_TRUE(aHandler, NS_ERROR_FAILURE);
return NS_OK;
}
}
// Ensure that we have something to compile
nsDependentString handlerText(mHandlerText);
NS_ENSURE_TRUE(!handlerText.IsEmpty(), NS_ERROR_FAILURE);
JSAddonId* addonId = MapURIToAddonID(mPrototypeBinding->DocURI());
JS::Rooted<JSObject*> scopeObject(cx, xpc::GetScopeForXBLExecution(cx, globalObject, addonId));
NS_ENSURE_TRUE(scopeObject, NS_ERROR_OUT_OF_MEMORY);
nsAutoCString bindingURI;
mPrototypeBinding->DocURI()->GetSpec(bindingURI);
uint32_t argCount;
const char **argNames;
nsContentUtils::GetEventArgNames(kNameSpaceID_XBL, aName, false, &argCount,
&argNames);
// Compile the event handler in the xbl scope.
JSAutoCompartment ac(cx, scopeObject);
JS::CompileOptions options(cx);
options.setFileAndLine(bindingURI.get(), mLineNumber)
.setVersion(JSVERSION_LATEST);
JS::Rooted<JSObject*> handlerFun(cx);
JS::AutoObjectVector emptyVector(cx);
nsresult rv = nsJSUtils::CompileFunction(jsapi, emptyVector, options,
nsAtomCString(aName), argCount,
argNames, handlerText,
handlerFun.address());
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(handlerFun, NS_ERROR_FAILURE);
// Wrap the handler into the content scope, since we're about to stash it
// on the DOM window and such.
JSAutoCompartment ac2(cx, globalObject);
bool ok = JS_WrapObject(cx, &handlerFun);
NS_ENSURE_TRUE(ok, NS_ERROR_OUT_OF_MEMORY);
aHandler.set(handlerFun);
NS_ENSURE_TRUE(aHandler, NS_ERROR_FAILURE);
if (pWindow) {
pWindow->CacheXBLPrototypeHandler(this, aHandler);
}
return NS_OK;
}
// static
nsresult
Key::DecodeJSValInternal(const unsigned char*& aPos, const unsigned char* aEnd,
JSContext* aCx, uint8_t aTypeOffset, JS::MutableHandle<JS::Value> aVal,
uint16_t aRecursionDepth)
{
NS_ENSURE_TRUE(aRecursionDepth < MaxRecursionDepth, NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
if (*aPos - aTypeOffset >= eArray) {
JS::Rooted<JSObject*> array(aCx, JS_NewArrayObject(aCx, 0, nullptr));
if (!array) {
NS_WARNING("Failed to make array!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
aTypeOffset += eMaxType;
if (aTypeOffset == eMaxType * MaxArrayCollapse) {
++aPos;
aTypeOffset = 0;
}
uint32_t index = 0;
JS::Rooted<JS::Value> val(aCx);
while (aPos < aEnd && *aPos - aTypeOffset != eTerminator) {
nsresult rv = DecodeJSValInternal(aPos, aEnd, aCx, aTypeOffset,
&val, aRecursionDepth + 1);
NS_ENSURE_SUCCESS(rv, rv);
aTypeOffset = 0;
if (!JS_SetElement(aCx, array, index++, &val)) {
NS_WARNING("Failed to set array element!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
}
NS_ASSERTION(aPos >= aEnd || (*aPos % eMaxType) == eTerminator,
"Should have found end-of-array marker");
++aPos;
aVal.setObject(*array);
}
else if (*aPos - aTypeOffset == eString) {
nsString key;
DecodeString(aPos, aEnd, key);
if (!xpc::StringToJsval(aCx, key, aVal)) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
}
else if (*aPos - aTypeOffset == eDate) {
double msec = static_cast<double>(DecodeNumber(aPos, aEnd));
JSObject* date = JS_NewDateObjectMsec(aCx, msec);
if (!date) {
NS_WARNING("Failed to make date!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
aVal.setObject(*date);
}
else if (*aPos - aTypeOffset == eFloat) {
aVal.setDouble(DecodeNumber(aPos, aEnd));
}
else {
NS_NOTREACHED("Unknown key type!");
}
return NS_OK;
}
JSBool JavaObject::setPropertyWrapper(JSContext* ctx, JS::Handle<JSObject*> obj,
JS::Handle<jsid> id, JSBool strict, JS::MutableHandle<JS::Value> vp) {
jsval rval = vp.get();
return JavaObject::setProperty(ctx, obj, id, strict, &rval);
}
nsresult
nsXBLPrototypeHandler::EnsureEventHandler(nsIScriptGlobalObject* aGlobal,
nsIScriptContext *aBoundContext,
nsIAtom *aName,
JS::MutableHandle<JSObject*> aHandler)
{
AutoPushJSContext cx(aBoundContext->GetNativeContext());
// Check to see if we've already compiled this
nsCOMPtr<nsPIDOMWindow> pWindow = do_QueryInterface(aGlobal);
if (pWindow) {
JS::Rooted<JSObject*> cachedHandler(cx, pWindow->GetCachedXBLPrototypeHandler(this));
if (cachedHandler) {
JS::ExposeObjectToActiveJS(cachedHandler);
aHandler.set(cachedHandler);
NS_ENSURE_TRUE(aHandler, NS_ERROR_FAILURE);
return NS_OK;
}
}
// Ensure that we have something to compile
nsDependentString handlerText(mHandlerText);
NS_ENSURE_TRUE(!handlerText.IsEmpty(), NS_ERROR_FAILURE);
JS::Rooted<JSObject*> globalObject(cx, aGlobal->GetGlobalJSObject());
JS::Rooted<JSObject*> scopeObject(cx, xpc::GetXBLScope(cx, globalObject));
NS_ENSURE_TRUE(scopeObject, NS_ERROR_OUT_OF_MEMORY);
nsAutoCString bindingURI;
mPrototypeBinding->DocURI()->GetSpec(bindingURI);
uint32_t argCount;
const char **argNames;
nsContentUtils::GetEventArgNames(kNameSpaceID_XBL, aName, &argCount,
&argNames);
// Compile the event handler in the xbl scope.
JSAutoCompartment ac(cx, scopeObject);
JS::CompileOptions options(cx);
options.setFileAndLine(bindingURI.get(), mLineNumber)
.setVersion(JSVERSION_LATEST);
JS::Rooted<JSObject*> rootedNull(cx); // See bug 781070.
JS::Rooted<JSObject*> handlerFun(cx);
nsresult rv = nsJSUtils::CompileFunction(cx, rootedNull, options,
nsAtomCString(aName), argCount,
argNames, handlerText, handlerFun.address());
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(handlerFun, NS_ERROR_FAILURE);
// Wrap the handler into the content scope, since we're about to stash it
// on the DOM window and such.
JSAutoCompartment ac2(cx, globalObject);
bool ok = JS_WrapObject(cx, handlerFun.address());
NS_ENSURE_TRUE(ok, NS_ERROR_OUT_OF_MEMORY);
aHandler.set(handlerFun);
NS_ENSURE_TRUE(aHandler, NS_ERROR_FAILURE);
if (pWindow) {
pWindow->CacheXBLPrototypeHandler(this, aHandler);
}
return NS_OK;
}
void
WorkerDebuggerGlobalScope::GetGlobal(JSContext* aCx,
JS::MutableHandle<JSObject*> aGlobal)
{
aGlobal.set(mWorkerPrivate->GetOrCreateGlobalScope(aCx)->GetWrapper());
}