/usr/include/thunderbird/mozilla/dom/CallbackFunction.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* A common base class for representing WebIDL callback function types in C++.
*
* This class implements common functionality like lifetime
* management, initialization with the callable, and setup of the call
* environment. Subclasses corresponding to particular callback
* function types should provide a Call() method that actually does
* the call.
*/
#ifndef mozilla_dom_CallbackFunction_h
#define mozilla_dom_CallbackFunction_h
#include "mozilla/dom/CallbackObject.h"
namespace mozilla {
namespace dom {
class CallbackFunction : public CallbackObject
{
public:
// See CallbackObject for an explanation of the arguments.
explicit CallbackFunction(JSContext* aCx, JS::Handle<JSObject*> aCallable,
nsIGlobalObject* aIncumbentGlobal)
: CallbackObject(aCx, aCallable, aIncumbentGlobal)
{
}
// See CallbackObject for an explanation of the arguments.
explicit CallbackFunction(JS::Handle<JSObject*> aCallable,
JS::Handle<JSObject*> aAsyncStack,
nsIGlobalObject* aIncumbentGlobal)
: CallbackObject(aCallable, aAsyncStack, aIncumbentGlobal)
{
}
JS::Handle<JSObject*> Callable() const
{
return Callback();
}
JS::Handle<JSObject*> CallablePreserveColor() const
{
return CallbackPreserveColor();
}
bool HasGrayCallable() const
{
// Play it safe in case this gets called after unlink.
return mCallback && JS::ObjectIsMarkedGray(mCallback);
}
protected:
explicit CallbackFunction(CallbackFunction* aCallbackFunction)
: CallbackObject(aCallbackFunction)
{
}
// See CallbackObject for an explanation of the arguments.
CallbackFunction(JSContext* aCx, JS::Handle<JSObject*> aCallable,
nsIGlobalObject* aIncumbentGlobal,
const FastCallbackConstructor&)
: CallbackObject(aCx, aCallable, aIncumbentGlobal,
FastCallbackConstructor())
{
}
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_CallbackFunction_h
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