Struct script::dom::bindings::callback::CallSetup

pub struct CallSetup {
    exception_global: Root<Dom<GlobalScope>>,
    cx: JSContext,
    old_realm: *mut Realm,
    handling: ExceptionHandling,
    entry_script: Option<AutoEntryScript>,
    incumbent_script: Option<AutoIncumbentScript>,
}

A class that performs whatever setup we need to safely make a call while this class is on the stack. After new returns, the call is safe to make.

Fields

exception_global: Root<Dom<GlobalScope>>

The global for reporting exceptions. This is the global object of the (possibly wrapped) callback object.

cx: JSContext

The JSContext used for the call.

old_realm: *mut Realm

The realm we were in before the call.

handling: ExceptionHandling

The exception handling used for the call.

entry_script: Option<AutoEntryScript>

https://heycam.github.io/webidl/#es-invoking-callback-functions steps 8 and 18.2.

incumbent_script: Option<AutoIncumbentScript>

https://heycam.github.io/webidl/#es-invoking-callback-functions steps 9 and 18.1.

Implementations

impl CallSetup

pub fn new<T: CallbackContainer>( callback: &T, handling: ExceptionHandling, ) -> CallSetup

Performs the setup needed to make a call.

pub fn get_context(&self) -> JSContext

Returns the JSContext used for the call.

Trait Implementations

impl Drop for CallSetup

fn drop(&mut self)

Executes the destructor for this type.