зеркало из https://github.com/mozilla/gecko-dev.git
129 строки
3.1 KiB
C++
129 строки
3.1 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/WebAuthnManagerBase.h"
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#include "mozilla/dom/WebAuthnTransactionChild.h"
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#include "mozilla/dom/Event.h"
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namespace mozilla {
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namespace dom {
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NS_NAMED_LITERAL_STRING(kVisibilityChange, "visibilitychange");
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WebAuthnManagerBase::WebAuthnManagerBase(nsPIDOMWindowInner* aParent)
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: mParent(aParent)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aParent);
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}
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WebAuthnManagerBase::~WebAuthnManagerBase()
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{
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MOZ_ASSERT(NS_IsMainThread());
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}
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/***********************************************************************
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* IPC Protocol Implementation
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**********************************************************************/
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bool
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WebAuthnManagerBase::MaybeCreateBackgroundActor()
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{
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MOZ_ASSERT(NS_IsMainThread());
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if (mChild) {
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return true;
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}
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PBackgroundChild* actorChild = BackgroundChild::GetOrCreateForCurrentThread();
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if (NS_WARN_IF(!actorChild)) {
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return false;
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}
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RefPtr<WebAuthnTransactionChild> mgr(new WebAuthnTransactionChild(this));
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PWebAuthnTransactionChild* constructedMgr =
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actorChild->SendPWebAuthnTransactionConstructor(mgr);
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if (NS_WARN_IF(!constructedMgr)) {
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return false;
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}
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MOZ_ASSERT(constructedMgr == mgr);
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mChild = mgr.forget();
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return true;
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}
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void
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WebAuthnManagerBase::ActorDestroyed()
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{
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MOZ_ASSERT(NS_IsMainThread());
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mChild = nullptr;
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}
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/***********************************************************************
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* Event Handling
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**********************************************************************/
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void
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WebAuthnManagerBase::ListenForVisibilityEvents()
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{
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MOZ_ASSERT(NS_IsMainThread());
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nsCOMPtr<nsIDocument> doc = mParent->GetExtantDoc();
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if (NS_WARN_IF(!doc)) {
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return;
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}
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nsresult rv = doc->AddSystemEventListener(kVisibilityChange, this,
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/* use capture */ true,
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/* wants untrusted */ false);
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Unused << NS_WARN_IF(NS_FAILED(rv));
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}
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void
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WebAuthnManagerBase::StopListeningForVisibilityEvents()
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{
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MOZ_ASSERT(NS_IsMainThread());
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nsCOMPtr<nsIDocument> doc = mParent->GetExtantDoc();
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if (NS_WARN_IF(!doc)) {
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return;
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}
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nsresult rv = doc->RemoveSystemEventListener(kVisibilityChange, this,
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/* use capture */ true);
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Unused << NS_WARN_IF(NS_FAILED(rv));
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}
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NS_IMETHODIMP
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WebAuthnManagerBase::HandleEvent(nsIDOMEvent* aEvent)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aEvent);
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nsAutoString type;
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aEvent->GetType(type);
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if (!type.Equals(kVisibilityChange)) {
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return NS_ERROR_FAILURE;
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}
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nsCOMPtr<nsIDocument> doc =
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do_QueryInterface(aEvent->InternalDOMEvent()->GetTarget());
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if (NS_WARN_IF(!doc)) {
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return NS_ERROR_FAILURE;
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}
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if (doc->Hidden()) {
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CancelTransaction(NS_ERROR_ABORT);
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}
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return NS_OK;
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}
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}
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}
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