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/* -*- 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 */
#ifndef dom_base_AutoSuppressEventHandlingAndSuspend_h
#define dom_base_AutoSuppressEventHandlingAndSuspend_h
#include "mozilla/dom/BrowsingContext.h"
#include "mozilla/dom/BrowsingContextGroup.h"
#include "mozilla/dom/Document.h"
#include "nsCOMPtr.h"
#include "nsPIDOMWindow.h"
#include "nsTArray.h"
namespace mozilla::dom {
* Suppresses event handling and suspends for all in-process documents in a
* BrowsingContext subtree.
class MOZ_RAII AutoSuppressEventHandling : public AutoWalkBrowsingContextGroup {
AutoSuppressEventHandling() = default;
explicit AutoSuppressEventHandling(BrowsingContext* aContext) {
if (aContext) {
virtual void SuppressDocument(Document* aDocument) override;
void UnsuppressDocument(Document* aDocument) override;
* Suppresses event handling and suspends the active inner window for all
* in-process documents in a BrowsingContextGroup. This should be used while
* spinning the event loop for a synchronous operation (like ``)
* which affects operations in any other window in the same BrowsingContext
* group.
class MOZ_RAII AutoSuppressEventHandlingAndSuspend
: private AutoSuppressEventHandling {
explicit AutoSuppressEventHandlingAndSuspend(BrowsingContextGroup* aGroup) {
if (aGroup) {
void SuppressDocument(Document* aDocument) override;
AutoTArray<nsCOMPtr<nsPIDOMWindowInner>, 16> mWindows;
} // namespace mozilla::dom