Bug 1883888 [wpt PR 44943] - Name unhandledrejection event correctly, a=testonly
[gecko.git] / accessible / generic / DocAccessible-inl.h
blob2e358724cd66b80ffd0bf13b65f9750eeadd340d
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
5 * You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #ifndef mozilla_a11y_DocAccessible_inl_h_
8 #define mozilla_a11y_DocAccessible_inl_h_
10 #include "DocAccessible.h"
11 #include "LocalAccessible-inl.h"
12 #include "nsAccessibilityService.h"
13 #include "NotificationController.h"
14 #include "States.h"
15 #include "nsIScrollableFrame.h"
16 #include "mozilla/dom/DocumentInlines.h"
18 #ifdef A11Y_LOG
19 # include "Logging.h"
20 #endif
22 namespace mozilla {
23 namespace a11y {
25 inline LocalAccessible* DocAccessible::AccessibleOrTrueContainer(
26 nsINode* aNode, bool aNoContainerIfPruned) const {
27 // HTML comboboxes have no-content list accessible as an intermediate
28 // containing all options.
29 LocalAccessible* container =
30 GetAccessibleOrContainer(aNode, aNoContainerIfPruned);
31 if (container && container->IsHTMLCombobox()) {
32 return container->LocalFirstChild();
34 return container;
37 inline bool DocAccessible::IsContentLoaded() const {
38 // eDOMLoaded flag check is used for error pages as workaround to make this
39 // method return correct result since error pages do not receive 'pageshow'
40 // event and as consequence Document::IsShowing() returns false.
41 return mDocumentNode && mDocumentNode->IsVisible() &&
42 (mDocumentNode->IsShowing() || HasLoadState(eDOMLoaded));
45 inline bool DocAccessible::IsHidden() const { return mDocumentNode->Hidden(); }
47 inline void DocAccessible::FireDelayedEvent(AccEvent* aEvent) {
48 #ifdef A11Y_LOG
49 if (logging::IsEnabled(logging::eDocLoad)) logging::DocLoadEventFired(aEvent);
50 #endif
52 mNotificationController->QueueEvent(aEvent);
55 inline void DocAccessible::FireDelayedEvent(uint32_t aEventType,
56 LocalAccessible* aTarget) {
57 RefPtr<AccEvent> event = new AccEvent(aEventType, aTarget);
58 FireDelayedEvent(event);
61 inline void DocAccessible::BindChildDocument(DocAccessible* aDocument) {
62 mNotificationController->ScheduleChildDocBinding(aDocument);
65 template <class Class, class... Args>
66 inline void DocAccessible::HandleNotification(
67 Class* aInstance, typename TNotification<Class, Args...>::Callback aMethod,
68 Args*... aArgs) {
69 if (mNotificationController) {
70 mNotificationController->HandleNotification<Class, Args...>(
71 aInstance, aMethod, aArgs...);
75 inline void DocAccessible::UpdateText(nsIContent* aTextNode) {
76 NS_ASSERTION(mNotificationController, "The document was shut down!");
78 // Ignore the notification if initial tree construction hasn't been done yet.
79 if (mNotificationController && HasLoadState(eTreeConstructed)) {
80 mNotificationController->ScheduleTextUpdate(aTextNode);
84 inline void DocAccessible::NotifyOfLoad(uint32_t aLoadEventType) {
85 mLoadState |= eDOMLoaded;
86 mLoadEventType = aLoadEventType;
88 // If the document is loaded completely then network activity was presumingly
89 // caused by file loading. Fire busy state change event.
90 if (HasLoadState(eCompletelyLoaded) && IsLoadEventTarget()) {
91 RefPtr<AccEvent> stateEvent =
92 new AccStateChangeEvent(this, states::BUSY, false);
93 FireDelayedEvent(stateEvent);
97 inline void DocAccessible::MaybeNotifyOfValueChange(
98 LocalAccessible* aAccessible) {
99 if (aAccessible->IsCombobox() || aAccessible->Role() == roles::ENTRY ||
100 aAccessible->Role() == roles::SPINBUTTON) {
101 FireDelayedEvent(nsIAccessibleEvent::EVENT_TEXT_VALUE_CHANGE, aAccessible);
105 inline LocalAccessible* DocAccessible::GetAccessibleEvenIfNotInMapOrContainer(
106 nsINode* aNode) const {
107 LocalAccessible* acc = GetAccessibleEvenIfNotInMap(aNode);
108 return acc ? acc : GetContainerAccessible(aNode);
111 inline void DocAccessible::CreateSubtree(LocalAccessible* aChild) {
112 // If a focused node has been shown then it could mean its frame was recreated
113 // while the node stays focused and we need to fire focus event on
114 // the accessible we just created. If the queue contains a focus event for
115 // this node already then it will be suppressed by this one.
116 LocalAccessible* focusedAcc = nullptr;
117 CacheChildrenInSubtree(aChild, &focusedAcc);
119 #ifdef A11Y_LOG
120 if (logging::IsEnabled(logging::eVerbose)) {
121 logging::Tree("TREE", "Created subtree", aChild);
123 #endif
125 // Fire events for ARIA elements.
126 if (aChild->HasARIARole()) {
127 roles::Role role = aChild->ARIARole();
128 if (role == roles::MENUPOPUP) {
129 FireDelayedEvent(nsIAccessibleEvent::EVENT_MENUPOPUP_START, aChild);
130 } else if (role == roles::ALERT) {
131 FireDelayedEvent(nsIAccessibleEvent::EVENT_ALERT, aChild);
135 // XXX: do we really want to send focus to focused DOM node not taking into
136 // account active item?
137 if (focusedAcc) {
138 FocusMgr()->DispatchFocusEvent(this, focusedAcc);
139 SelectionMgr()->SetControlSelectionListener(
140 focusedAcc->GetNode()->AsElement());
144 inline DocAccessible::AttrRelProviders* DocAccessible::GetRelProviders(
145 dom::Element* aElement, const nsAString& aID) const {
146 DependentIDsHashtable* hash = mDependentIDsHashes.Get(
147 aElement->GetUncomposedDocOrConnectedShadowRoot());
148 if (hash) {
149 return hash->Get(aID);
151 return nullptr;
154 inline DocAccessible::AttrRelProviders* DocAccessible::GetOrCreateRelProviders(
155 dom::Element* aElement, const nsAString& aID) {
156 dom::DocumentOrShadowRoot* docOrShadowRoot =
157 aElement->GetUncomposedDocOrConnectedShadowRoot();
158 DependentIDsHashtable* hash =
159 mDependentIDsHashes.GetOrInsertNew(docOrShadowRoot);
161 return hash->GetOrInsertNew(aID);
164 inline void DocAccessible::RemoveRelProvidersIfEmpty(dom::Element* aElement,
165 const nsAString& aID) {
166 dom::DocumentOrShadowRoot* docOrShadowRoot =
167 aElement->GetUncomposedDocOrConnectedShadowRoot();
168 DependentIDsHashtable* hash = mDependentIDsHashes.Get(docOrShadowRoot);
169 if (hash) {
170 AttrRelProviders* providers = hash->Get(aID);
171 if (providers && providers->Length() == 0) {
172 hash->Remove(aID);
173 if (mDependentIDsHashes.IsEmpty()) {
174 mDependentIDsHashes.Remove(docOrShadowRoot);
180 } // namespace a11y
181 } // namespace mozilla
183 #endif