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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /accessible/generic/RootAccessible.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'accessible/generic/RootAccessible.h')
-rw-r--r-- | accessible/generic/RootAccessible.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/accessible/generic/RootAccessible.h b/accessible/generic/RootAccessible.h new file mode 100644 index 0000000000..b1e7e42fdb --- /dev/null +++ b/accessible/generic/RootAccessible.h @@ -0,0 +1,93 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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/. */ + +#ifndef mozilla_a11y_RootAccessible_h__ +#define mozilla_a11y_RootAccessible_h__ + +#include "HyperTextAccessible.h" +#include "DocAccessibleWrap.h" + +#include "nsIDOMEventListener.h" + +namespace mozilla { + +class PresShell; + +namespace a11y { + +/** + * The node at a root of the accessibility tree. This node originated in the + * current process. If this is the parent process, RootAccessible is the + * Accessible for the top-level window. If this is a content process, + * RootAccessible is a top-level content document in this process, which is + * either a tab document or an out-of-process iframe. + */ +class RootAccessible : public DocAccessibleWrap, public nsIDOMEventListener { + NS_DECL_ISUPPORTS_INHERITED + + public: + RootAccessible(dom::Document* aDocument, PresShell* aPresShell); + + // nsIDOMEventListener + NS_DECL_NSIDOMEVENTLISTENER + + // LocalAccessible + virtual void Shutdown() override; + virtual mozilla::a11y::ENameValueFlag Name(nsString& aName) const override; + virtual Relation RelationByType(RelationType aType) const override; + virtual uint64_t NativeState() const override; + + // RootAccessible + + /** + * Notify that the sub document presshell was activated. + */ + virtual void DocumentActivated(DocAccessible* aDocument); + + /** + * Return the primary remote top level document if any. + */ + RemoteAccessible* GetPrimaryRemoteTopLevelContentDoc() const; + + protected: + virtual ~RootAccessible(); + + /** + * Add/remove DOM event listeners. + */ + virtual nsresult AddEventListeners() override; + virtual nsresult RemoveEventListeners() override; + + /** + * Process the DOM event. + */ + void ProcessDOMEvent(dom::Event* aDOMEvent, nsINode* aTarget); + + /** + * Process "popupshown" event. Used by HandleEvent(). + */ + void HandlePopupShownEvent(LocalAccessible* aAccessible); + + /* + * Process "popuphiding" event. Used by HandleEvent(). + */ + void HandlePopupHidingEvent(nsINode* aNode); + + void HandleTreeRowCountChangedEvent(dom::Event* aEvent, + XULTreeAccessible* aAccessible); + void HandleTreeInvalidatedEvent(dom::Event* aEvent, + XULTreeAccessible* aAccessible); + + uint32_t GetChromeFlags() const; +}; + +inline RootAccessible* LocalAccessible::AsRoot() { + return IsRoot() ? static_cast<mozilla::a11y::RootAccessible*>(this) : nullptr; +} + +} // namespace a11y +} // namespace mozilla + +#endif |