diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /dom/xul/XULMenuBarElement.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/xul/XULMenuBarElement.cpp')
-rw-r--r-- | dom/xul/XULMenuBarElement.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/dom/xul/XULMenuBarElement.cpp b/dom/xul/XULMenuBarElement.cpp new file mode 100644 index 0000000000..ffb7adc784 --- /dev/null +++ b/dom/xul/XULMenuBarElement.cpp @@ -0,0 +1,102 @@ +/* -*- 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 "XULMenuBarElement.h" +#include "MenuBarListener.h" +#include "XULButtonElement.h" +#include "nsXULPopupManager.h" +#include "mozilla/Assertions.h" +#include "mozilla/dom/BindContext.h" +#include "mozilla/AsyncEventDispatcher.h" + +namespace mozilla::dom { + +NS_IMPL_CYCLE_COLLECTION_CLASS(XULMenuBarElement) +NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(XULMenuBarElement, + XULMenuParentElement) + if (tmp->mListener) { + tmp->mListener->Detach(); + tmp->mListener = nullptr; + } +NS_IMPL_CYCLE_COLLECTION_UNLINK_END +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(XULMenuBarElement, + XULMenuParentElement) + NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mListener) +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END +NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(XULMenuBarElement, + XULMenuParentElement) + +XULMenuBarElement::XULMenuBarElement( + already_AddRefed<class NodeInfo>&& aNodeInfo) + : XULMenuParentElement(std::move(aNodeInfo)) {} + +XULMenuBarElement::~XULMenuBarElement() { MOZ_DIAGNOSTIC_ASSERT(!mListener); } + +void XULMenuBarElement::SetActive(bool aActiveFlag) { + // If the activity is not changed, there is nothing to do. + if (mIsActive == aActiveFlag) { + return; + } + + // We can't activate a menubar outside of the document. + if (!IsInComposedDoc()) { + MOZ_ASSERT(!mIsActive, "How?"); + return; + } + + if (!aActiveFlag) { + // If there is a request to deactivate the menu bar, check to see whether + // there is a menu popup open for the menu bar. In this case, don't + // deactivate the menu bar. + if (auto* activeChild = GetActiveMenuChild()) { + if (activeChild->IsMenuPopupOpen()) { + return; + } + } + } + + mIsActive = aActiveFlag; + if (nsXULPopupManager* pm = nsXULPopupManager::GetInstance()) { + pm->SetActiveMenuBar(this, aActiveFlag); + } + if (!aActiveFlag) { + mActiveByKeyboard = false; + SetActiveMenuChild(nullptr); + } + + RefPtr dispatcher = new AsyncEventDispatcher( + this, aActiveFlag ? u"DOMMenuBarActive"_ns : u"DOMMenuBarInactive"_ns, + CanBubble::eYes, ChromeOnlyDispatch::eNo); + DebugOnly<nsresult> rv = dispatcher->PostDOMEvent(); + NS_ASSERTION(NS_SUCCEEDED(rv), "AsyncEventDispatcher failed to dispatch"); +} + +nsresult XULMenuBarElement::BindToTree(BindContext& aContext, + nsINode& aParent) { + MOZ_TRY(XULMenuParentElement::BindToTree(aContext, aParent)); + MOZ_DIAGNOSTIC_ASSERT(!mListener); + if (aContext.InComposedDoc()) { + mListener = new MenuBarListener(*this); + } + return NS_OK; +} + +void XULMenuBarElement::UnbindFromTree(bool aNullParent) { + if (mListener) { + mListener->Detach(); + mListener = nullptr; + } + if (NS_WARN_IF(mIsActive)) { + // Clean up silently when getting removed from the document while active. + mIsActive = false; + if (nsXULPopupManager* pm = nsXULPopupManager::GetInstance()) { + pm->SetActiveMenuBar(this, false); + } + } + return XULMenuParentElement::UnbindFromTree(aNullParent); +} + +} // namespace mozilla::dom |