Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 191 insertions, 0 deletions

diff --git a/accessible/generic/DocAccessible-inl.h b/accessible/generic/DocAccessible-inl.h
new file mode 100644
index 0000000000..493ca1fd21
--- /dev/null
+++ b/accessible/generic/DocAccessible-inl.h
@@ -0,0 +1,191 @@
+/* -*- 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