gecko-dev/dom/closewatcher/CloseWatcher.h

65 lines
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef mozilla_dom_CloseWatcher_h
#define mozilla_dom_CloseWatcher_h
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/dom/CloseWatcherBinding.h"
namespace mozilla::dom {
class CloseWatcher : public DOMEventTargetHelper, public AbortFollower {
public:
NS_DECL_ISUPPORTS_INHERITED
nsIGlobalObject* GetParentObject() const { return GetOwnerGlobal(); }
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
IMPL_EVENT_HANDLER(cancel);
IMPL_EVENT_HANDLER(close);
static already_AddRefed<CloseWatcher> Constructor(
const GlobalObject& aGlobal, const CloseWatcherOptions& aOptions,
ErrorResult& aRv);
explicit CloseWatcher(nsPIDOMWindowInner* aWindow)
: DOMEventTargetHelper(aWindow) {}
// The IDL binding for RequestClose returns void so that the history
// consumption is not observable.
MOZ_CAN_RUN_SCRIPT void RequestClose() { RequestToClose(); }
// RequestToClose returns a boolean so callers can determine if the action
// was handled, so that other fallback behaviours can be executed.
MOZ_CAN_RUN_SCRIPT bool RequestToClose();
MOZ_CAN_RUN_SCRIPT void Close();
void Destroy();
// AbortFollower
void RunAbortAlgorithm() override;
bool IsActive() const;
void DisconnectFromOwner() override {
Destroy();
DOMEventTargetHelper::DisconnectFromOwner();
}
protected:
virtual ~CloseWatcher() = default;
bool mIsRunningCancelAction = false;
};
} // namespace mozilla::dom
#endif // mozilla_dom_CloseWatcher_h