本文整理汇总了C++中JSAutoStructuredCloneBuffer::adopt方法的典型用法代码示例。如果您正苦于以下问题：C++ JSAutoStructuredCloneBuffer::adopt方法的具体用法？C++ JSAutoStructuredCloneBuffer::adopt怎么用？C++ JSAutoStructuredCloneBuffer::adopt使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类JSAutoStructuredCloneBuffer的用法示例。
在下文中一共展示了JSAutoStructuredCloneBuffer::adopt方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: cx
NS_IMETHODIMP
PostMessageRunnable::Run()
{
MOZ_ASSERT(mPort);
// Ensure that the buffer is freed even if we fail to post the message
JSAutoStructuredCloneBuffer buffer;
buffer.adopt(mMessage, mMessageLen);
mMessage = nullptr;
mMessageLen = 0;
// Get the JSContext for the target window
nsCOMPtr<nsIScriptGlobalObject> sgo = do_QueryInterface(mPort->GetOwner());
NS_ENSURE_STATE(sgo);
nsCOMPtr<nsIScriptContext> scriptContext = sgo->GetContext();
AutoPushJSContext cx(scriptContext ? scriptContext->GetNativeContext()
: nsContentUtils::GetSafeJSContext());
MOZ_ASSERT(cx);
// Deserialize the structured clone data
JS::Rooted<JS::Value> messageData(cx);
{
StructuredCloneInfo scInfo;
scInfo.mEvent = this;
scInfo.mPort = mPort;
if (!buffer.read(cx, messageData.address(), &kPostMessageCallbacks,
&scInfo)) {
return NS_ERROR_DOM_DATA_CLONE_ERR;
}
}
// Create the event
nsIDocument* doc = mPort->GetOwner()->GetExtantDoc();
if (!doc) {
return NS_OK;
}
ErrorResult error;
nsRefPtr<nsDOMEvent> event =
doc->CreateEvent(NS_LITERAL_STRING("MessageEvent"), error);
if (error.Failed()) {
return NS_OK;
}
nsCOMPtr<nsIDOMMessageEvent> message = do_QueryInterface(event);
nsresult rv = message->InitMessageEvent(NS_LITERAL_STRING("message"),
false /* non-bubbling */,
true /* cancelable */,
messageData,
EmptyString(),
EmptyString(),
mPort->GetOwner());
if (NS_FAILED(rv)) {
return NS_OK;
}
message->SetTrusted(true);
bool status;
mPort->DispatchEvent(event, &status);
return status ? NS_OK : NS_ERROR_FAILURE;
}