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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /accessible/generic/DocAccessible-inl.h
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=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/. */
+
+#ifndef mozilla_a11y_DocAccessible_inl_h_
+#define mozilla_a11y_DocAccessible_inl_h_
+
+#include "DocAccessible.h"
+#include "nsAccessibilityService.h"
+#include "nsAccessiblePivot.h"
+#include "NotificationController.h"
+#include "States.h"
+#include "nsIScrollableFrame.h"
+#include "mozilla/dom/DocumentInlines.h"
+
+#ifdef A11Y_LOG
+# include "Logging.h"
+#endif
+
+namespace mozilla {
+namespace a11y {
+
+inline LocalAccessible* DocAccessible::AccessibleOrTrueContainer(
+ nsINode* aNode, bool aNoContainerIfPruned) const {
+ // HTML comboboxes have no-content list accessible as an intermediate
+ // containing all options.
+ LocalAccessible* container =
+ GetAccessibleOrContainer(aNode, aNoContainerIfPruned);
+ if (container && container->IsHTMLCombobox()) {
+ return container->LocalFirstChild();
+ }
+ return container;
+}
+
+inline nsIAccessiblePivot* DocAccessible::VirtualCursor() {
+ if (!mVirtualCursor) {
+ mVirtualCursor = new nsAccessiblePivot(this);
+ mVirtualCursor->AddObserver(this);
+ }
+ return mVirtualCursor;
+}
+
+inline bool DocAccessible::IsContentLoaded() const {
+ // eDOMLoaded flag check is used for error pages as workaround to make this
+ // method return correct result since error pages do not receive 'pageshow'
+ // event and as consequence Document::IsShowing() returns false.
+ return mDocumentNode && mDocumentNode->IsVisible() &&
+ (mDocumentNode->IsShowing() || HasLoadState(eDOMLoaded));
+}
+
+inline bool DocAccessible::IsHidden() const { return mDocumentNode->Hidden(); }
+
+inline void DocAccessible::FireDelayedEvent(AccEvent* aEvent) {
+#ifdef A11Y_LOG
+ if (logging::IsEnabled(logging::eDocLoad)) logging::DocLoadEventFired(aEvent);
+#endif
+
+ mNotificationController->QueueEvent(aEvent);
+}
+
+inline void DocAccessible::FireDelayedEvent(uint32_t aEventType,
+ LocalAccessible* aTarget) {
+ RefPtr<AccEvent> event = new AccEvent(aEventType, aTarget);
+ FireDelayedEvent(event);
+}
+
+inline void DocAccessible::BindChildDocument(DocAccessible* aDocument) {
+ mNotificationController->ScheduleChildDocBinding(aDocument);
+}
+
+template <class Class, class... Args>
+inline void DocAccessible::HandleNotification(
+ Class* aInstance, typename TNotification<Class, Args...>::Callback aMethod,
+ Args*... aArgs) {
+ if (mNotificationController) {
+ mNotificationController->HandleNotification<Class, Args...>(
+ aInstance, aMethod, aArgs...);
+ }
+}
+
+inline void DocAccessible::UpdateText(nsIContent* aTextNode) {
+ NS_ASSERTION(mNotificationController, "The document was shut down!");
+
+ // Ignore the notification if initial tree construction hasn't been done yet.
+ if (mNotificationController && HasLoadState(eTreeConstructed)) {
+ mNotificationController->ScheduleTextUpdate(aTextNode);
+ }
+}
+
+inline void DocAccessible::NotifyOfLoad(uint32_t aLoadEventType) {
+ mLoadState |= eDOMLoaded;
+ mLoadEventType = aLoadEventType;
+
+ // If the document is loaded completely then network activity was presumingly
+ // caused by file loading. Fire busy state change event.
+ if (HasLoadState(eCompletelyLoaded) && IsLoadEventTarget()) {
+ RefPtr<AccEvent> stateEvent =
+ new AccStateChangeEvent(this, states::BUSY, false);
+ FireDelayedEvent(stateEvent);
+ }
+}
+
+inline void DocAccessible::MaybeNotifyOfValueChange(
+ LocalAccessible* aAccessible) {
+ if (aAccessible->IsCombobox() || aAccessible->Role() == roles::ENTRY ||
+ aAccessible->Role() == roles::SPINBUTTON) {
+ FireDelayedEvent(nsIAccessibleEvent::EVENT_TEXT_VALUE_CHANGE, aAccessible);
+ }
+}
+
+inline LocalAccessible* DocAccessible::GetAccessibleEvenIfNotInMapOrContainer(
+ nsINode* aNode) const {
+ LocalAccessible* acc = GetAccessibleEvenIfNotInMap(aNode);
+ return acc ? acc : GetContainerAccessible(aNode);
+}
+
+inline void DocAccessible::CreateSubtree(LocalAccessible* aChild) {
+ // If a focused node has been shown then it could mean its frame was recreated
+ // while the node stays focused and we need to fire focus event on
+ // the accessible we just created. If the queue contains a focus event for
+ // this node already then it will be suppressed by this one.
+ LocalAccessible* focusedAcc = nullptr;
+ CacheChildrenInSubtree(aChild, &focusedAcc);
+
+#ifdef A11Y_LOG
+ if (logging::IsEnabled(logging::eVerbose)) {
+ logging::Tree("TREE", "Created subtree", aChild);
+ }
+#endif
+
+ // Fire events for ARIA elements.
+ if (aChild->HasARIARole()) {
+ roles::Role role = aChild->ARIARole();
+ if (role == roles::MENUPOPUP) {
+ FireDelayedEvent(nsIAccessibleEvent::EVENT_MENUPOPUP_START, aChild);
+ } else if (role == roles::ALERT) {
+ FireDelayedEvent(nsIAccessibleEvent::EVENT_ALERT, aChild);
+ }
+ }
+
+ // XXX: do we really want to send focus to focused DOM node not taking into
+ // account active item?
+ if (focusedAcc) {
+ FocusMgr()->DispatchFocusEvent(this, focusedAcc);
+ SelectionMgr()->SetControlSelectionListener(
+ focusedAcc->GetNode()->AsElement());
+ }
+}
+
+inline DocAccessible::AttrRelProviders* DocAccessible::GetRelProviders(
+ dom::Element* aElement, const nsAString& aID) const {
+ DependentIDsHashtable* hash = mDependentIDsHashes.Get(
+ aElement->GetUncomposedDocOrConnectedShadowRoot());
+ if (hash) {
+ return hash->Get(aID);
+ }
+ return nullptr;
+}
+
+inline DocAccessible::AttrRelProviders* DocAccessible::GetOrCreateRelProviders(
+ dom::Element* aElement, const nsAString& aID) {
+ dom::DocumentOrShadowRoot* docOrShadowRoot =
+ aElement->GetUncomposedDocOrConnectedShadowRoot();
+ DependentIDsHashtable* hash =
+ mDependentIDsHashes.GetOrInsertNew(docOrShadowRoot);
+
+ return hash->GetOrInsertNew(aID);
+}
+
+inline void DocAccessible::RemoveRelProvidersIfEmpty(dom::Element* aElement,
+ const nsAString& aID) {
+ dom::DocumentOrShadowRoot* docOrShadowRoot =
+ aElement->GetUncomposedDocOrConnectedShadowRoot();
+ DependentIDsHashtable* hash = mDependentIDsHashes.Get(docOrShadowRoot);
+ if (hash) {
+ AttrRelProviders* providers = hash->Get(aID);
+ if (providers && providers->Length() == 0) {
+ hash->Remove(aID);
+ if (mDependentIDsHashes.IsEmpty()) {
+ mDependentIDsHashes.Remove(docOrShadowRoot);
+ }
+ }
+ }
+}
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif