From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- dom/permission/PermissionStatus.cpp | 134 ++++++++++++++++++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 dom/permission/PermissionStatus.cpp (limited to 'dom/permission/PermissionStatus.cpp') diff --git a/dom/permission/PermissionStatus.cpp b/dom/permission/PermissionStatus.cpp new file mode 100644 index 0000000000..37b3e31e7e --- /dev/null +++ b/dom/permission/PermissionStatus.cpp @@ -0,0 +1,134 @@ +/* -*- 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/. */ + +#include "mozilla/dom/PermissionStatus.h" +#include "mozilla/PermissionDelegateHandler.h" + +#include "mozilla/AsyncEventDispatcher.h" +#include "mozilla/Permission.h" +#include "mozilla/Services.h" +#include "nsIPermissionManager.h" +#include "PermissionObserver.h" +#include "PermissionUtils.h" + +namespace mozilla::dom { + +/* static */ +already_AddRefed PermissionStatus::Create( + nsPIDOMWindowInner* aWindow, PermissionName aName, ErrorResult& aRv) { + RefPtr status = new PermissionStatus(aWindow, aName); + aRv = status->Init(); + if (NS_WARN_IF(aRv.Failed())) { + return nullptr; + } + + return status.forget(); +} + +PermissionStatus::PermissionStatus(nsPIDOMWindowInner* aWindow, + PermissionName aName) + : DOMEventTargetHelper(aWindow), + mName(aName), + mState(PermissionState::Denied) { + KeepAliveIfHasListenersFor(u"change"_ns); +} + +nsresult PermissionStatus::Init() { + mObserver = PermissionObserver::GetInstance(); + if (NS_WARN_IF(!mObserver)) { + return NS_ERROR_FAILURE; + } + + mObserver->AddSink(this); + + nsresult rv = UpdateState(); + if (NS_WARN_IF(NS_FAILED(rv))) { + return rv; + } + + return NS_OK; +} + +PermissionStatus::~PermissionStatus() { + if (mObserver) { + mObserver->RemoveSink(this); + } +} + +JSObject* PermissionStatus::WrapObject(JSContext* aCx, + JS::Handle aGivenProto) { + return PermissionStatus_Binding::Wrap(aCx, this, aGivenProto); +} + +nsresult PermissionStatus::UpdateState() { + nsCOMPtr window = GetOwner(); + if (NS_WARN_IF(!window)) { + return NS_ERROR_FAILURE; + } + + RefPtr document = window->GetExtantDoc(); + if (NS_WARN_IF(!document)) { + return NS_ERROR_FAILURE; + } + + uint32_t action = nsIPermissionManager::DENY_ACTION; + + PermissionDelegateHandler* permissionHandler = + document->GetPermissionDelegateHandler(); + if (NS_WARN_IF(!permissionHandler)) { + return NS_ERROR_FAILURE; + } + + nsresult rv = permissionHandler->GetPermissionForPermissionsAPI( + PermissionNameToType(mName), &action); + if (NS_WARN_IF(NS_FAILED(rv))) { + return rv; + } + + mState = ActionToPermissionState(action); + return NS_OK; +} + +already_AddRefed PermissionStatus::GetPrincipal() const { + nsCOMPtr window = GetOwner(); + if (NS_WARN_IF(!window)) { + return nullptr; + } + + Document* doc = window->GetExtantDoc(); + if (NS_WARN_IF(!doc)) { + return nullptr; + } + + nsCOMPtr principal = + Permission::ClonePrincipalForPermission(doc->NodePrincipal()); + NS_ENSURE_TRUE(principal, nullptr); + + return principal.forget(); +} + +void PermissionStatus::PermissionChanged() { + auto oldState = mState; + UpdateState(); + if (mState != oldState) { + RefPtr eventDispatcher = + new AsyncEventDispatcher(this, u"change"_ns, CanBubble::eNo); + eventDispatcher->PostDOMEvent(); + } +} + +void PermissionStatus::DisconnectFromOwner() { + IgnoreKeepAliveIfHasListenersFor(u"change"_ns); + + if (mObserver) { + mObserver->RemoveSink(this); + mObserver = nullptr; + } + + DOMEventTargetHelper::DisconnectFromOwner(); +} + +} // namespace mozilla::dom -- cgit v1.2.3