зеркало из https://github.com/mozilla/gecko-dev.git
67 строки
2.0 KiB
C++
67 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef dom_base_AutoSuppressEventHandlingAndSuspend_h
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#define dom_base_AutoSuppressEventHandlingAndSuspend_h
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#include "mozilla/dom/BrowsingContext.h"
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#include "mozilla/dom/BrowsingContextGroup.h"
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#include "mozilla/dom/Document.h"
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#include "nsCOMPtr.h"
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#include "nsPIDOMWindow.h"
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#include "nsTArray.h"
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namespace mozilla::dom {
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/**
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* Suppresses event handling and suspends for all in-process documents in a
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* BrowsingContext subtree.
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*/
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class MOZ_RAII AutoSuppressEventHandling : public AutoWalkBrowsingContextGroup {
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public:
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AutoSuppressEventHandling() = default;
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explicit AutoSuppressEventHandling(BrowsingContext* aContext) {
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if (aContext) {
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SuppressBrowsingContext(aContext);
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}
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}
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~AutoSuppressEventHandling();
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protected:
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virtual void SuppressDocument(Document* aDocument) override;
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void UnsuppressDocument(Document* aDocument) override;
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};
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/**
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* Suppresses event handling and suspends the active inner window for all
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* in-process documents in a BrowsingContextGroup. This should be used while
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* spinning the event loop for a synchronous operation (like `window.open()`)
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* which affects operations in any other window in the same BrowsingContext
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* group.
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*/
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class MOZ_RAII AutoSuppressEventHandlingAndSuspend
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: private AutoSuppressEventHandling {
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public:
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explicit AutoSuppressEventHandlingAndSuspend(BrowsingContextGroup* aGroup) {
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if (aGroup) {
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SuppressBrowsingContextGroup(aGroup);
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}
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}
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~AutoSuppressEventHandlingAndSuspend();
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protected:
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void SuppressDocument(Document* aDocument) override;
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private:
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AutoTArray<nsCOMPtr<nsPIDOMWindowInner>, 16> mWindows;
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};
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} // namespace mozilla::dom
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#endif
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