/* * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifdef UNSAFE_BUFFERS_BUILD // TODO(crbug.com/351564777): Remove this and convert code to safer constructs. #pragma allow_unsafe_buffers #endif #include "third_party/blink/renderer/modules/accessibility/ax_object.h" #include <algorithm> #include <ostream> #include "base/auto_reset.h" #include "base/numerics/safe_conversions.h" #include "base/ranges/algorithm.h" #include "base/strings/string_util.h" #include "build/build_config.h" #include "build/chromeos_buildflags.h" #include "third_party/blink/public/common/features.h" #include "third_party/blink/public/common/input/web_keyboard_event.h" #include "third_party/blink/public/common/input/web_menu_source_type.h" #include "third_party/blink/public/mojom/frame/user_activation_notification_type.mojom-blink.h" #include "third_party/blink/public/mojom/input/focus_type.mojom-blink.h" #include "third_party/blink/public/mojom/scroll/scroll_into_view_params.mojom-blink.h" #include "third_party/blink/renderer/core/accessibility/ax_object_cache.h" #include "third_party/blink/renderer/core/accessibility/axid.h" #include "third_party/blink/renderer/core/aom/accessible_node.h" #include "third_party/blink/renderer/core/aom/accessible_node_list.h" #include "third_party/blink/renderer/core/css/resolver/style_resolver.h" #include "third_party/blink/renderer/core/display_lock/display_lock_utilities.h" #include "third_party/blink/renderer/core/dom/dom_node_ids.h" #include "third_party/blink/renderer/core/dom/element.h" #include "third_party/blink/renderer/core/dom/events/simulated_click_options.h" #include "third_party/blink/renderer/core/dom/focus_params.h" #include "third_party/blink/renderer/core/dom/node_computed_style.h" #include "third_party/blink/renderer/core/dom/shadow_root.h" #include "third_party/blink/renderer/core/dom/slot_assignment_engine.h" #include "third_party/blink/renderer/core/editing/editing_utilities.h" #include "third_party/blink/renderer/core/events/keyboard_event.h" #include "third_party/blink/renderer/core/frame/local_frame.h" #include "third_party/blink/renderer/core/frame/local_frame_view.h" #include "third_party/blink/renderer/core/frame/settings.h" #include "third_party/blink/renderer/core/frame/visual_viewport.h" #include "third_party/blink/renderer/core/fullscreen/fullscreen.h" #include "third_party/blink/renderer/core/html/canvas/html_canvas_element.h" #include "third_party/blink/renderer/core/html/custom/element_internals.h" #include "third_party/blink/renderer/core/html/fenced_frame/html_fenced_frame_element.h" #include "third_party/blink/renderer/core/html/forms/html_button_element.h" #include "third_party/blink/renderer/core/html/forms/html_data_list_element.h" #include "third_party/blink/renderer/core/html/forms/html_form_control_element.h" #include "third_party/blink/renderer/core/html/forms/html_input_element.h" #include "third_party/blink/renderer/core/html/forms/html_label_element.h" #include "third_party/blink/renderer/core/html/forms/html_opt_group_element.h" #include "third_party/blink/renderer/core/html/forms/html_option_element.h" #include "third_party/blink/renderer/core/html/forms/html_select_element.h" #include "third_party/blink/renderer/core/html/forms/html_text_area_element.h" #include "third_party/blink/renderer/core/html/forms/text_control_element.h" #include "third_party/blink/renderer/core/html/html_body_element.h" #include "third_party/blink/renderer/core/html/html_dialog_element.h" #include "third_party/blink/renderer/core/html/html_element.h" #include "third_party/blink/renderer/core/html/html_embed_element.h" #include "third_party/blink/renderer/core/html/html_frame_owner_element.h" #include "third_party/blink/renderer/core/html/html_head_element.h" #include "third_party/blink/renderer/core/html/html_hr_element.h" #include "third_party/blink/renderer/core/html/html_html_element.h" #include "third_party/blink/renderer/core/html/html_image_element.h" #include "third_party/blink/renderer/core/html/html_map_element.h" #include "third_party/blink/renderer/core/html/html_no_script_element.h" #include "third_party/blink/renderer/core/html/html_progress_element.h" #include "third_party/blink/renderer/core/html/html_script_element.h" #include "third_party/blink/renderer/core/html/html_slot_element.h" #include "third_party/blink/renderer/core/html/html_span_element.h" #include "third_party/blink/renderer/core/html/html_style_element.h" #include "third_party/blink/renderer/core/html/html_table_cell_element.h" #include "third_party/blink/renderer/core/html/html_table_element.h" #include "third_party/blink/renderer/core/html/html_table_row_element.h" #include "third_party/blink/renderer/core/html/html_table_section_element.h" #include "third_party/blink/renderer/core/html/html_title_element.h" #include "third_party/blink/renderer/core/html/media/html_media_element.h" #include "third_party/blink/renderer/core/html/parser/html_parser_idioms.h" #include "third_party/blink/renderer/core/html/shadow/shadow_element_names.h" #include "third_party/blink/renderer/core/input/context_menu_allowed_scope.h" #include "third_party/blink/renderer/core/input/event_handler.h" #include "third_party/blink/renderer/core/input_type_names.h" #include "third_party/blink/renderer/core/layout/layout_box.h" #include "third_party/blink/renderer/core/layout/layout_box_model_object.h" #include "third_party/blink/renderer/core/layout/layout_image.h" #include "third_party/blink/renderer/core/layout/layout_view.h" #include "third_party/blink/renderer/core/page/chrome_client.h" #include "third_party/blink/renderer/core/page/focus_controller.h" #include "third_party/blink/renderer/core/page/page.h" #include "third_party/blink/renderer/core/page/scrolling/top_document_root_scroller_controller.h" #include "third_party/blink/renderer/core/scroll/scroll_into_view_util.h" #include "third_party/blink/renderer/core/svg/svg_desc_element.h" #include "third_party/blink/renderer/core/svg/svg_element.h" #include "third_party/blink/renderer/core/svg/svg_g_element.h" #include "third_party/blink/renderer/core/svg/svg_style_element.h" #include "third_party/blink/renderer/core/svg/svg_title_element.h" #include "third_party/blink/renderer/modules/accessibility/aria_notification.h" #include "third_party/blink/renderer/modules/accessibility/ax_enums.h" #if DCHECK_IS_ON() #include "third_party/blink/renderer/modules/accessibility/ax_debug_utils.h" #endif #include "third_party/blink/renderer/modules/accessibility/ax_image_map_link.h" #include "third_party/blink/renderer/modules/accessibility/ax_inline_text_box.h" #include "third_party/blink/renderer/modules/accessibility/ax_object_cache_impl.h" #include "third_party/blink/renderer/modules/accessibility/ax_range.h" #include "third_party/blink/renderer/modules/accessibility/ax_selection.h" #include "third_party/blink/renderer/modules/accessibility/ax_sparse_attribute_setter.h" #include "third_party/blink/renderer/platform/instrumentation/tracing/trace_event.h" #include "third_party/blink/renderer/platform/keyboard_codes.h" #include "third_party/blink/renderer/platform/language.h" #include "third_party/blink/renderer/platform/runtime_enabled_features.h" #include "third_party/blink/renderer/platform/text/platform_locale.h" #include "third_party/blink/renderer/platform/wtf/hash_set.h" #include "third_party/blink/renderer/platform/wtf/std_lib_extras.h" #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" #include "third_party/blink/renderer/platform/wtf/wtf_size_t.h" #include "ui/accessibility/accessibility_features.h" #include "ui/accessibility/ax_action_data.h" #include "ui/accessibility/ax_common.h" #include "ui/accessibility/ax_enums.mojom-blink-forward.h" #include "ui/accessibility/ax_node_data.h" #include "ui/accessibility/ax_role_properties.h" #include "ui/accessibility/ax_tree_id.h" #include "ui/accessibility/ax_tree_source.h" #include "ui/events/keycodes/dom/dom_code.h" #include "ui/events/keycodes/dom/keycode_converter.h" #include "ui/gfx/geometry/transform.h" namespace blink { FormControlType; namespace { #if defined(AX_FAIL_FAST_BUILD) // TODO(accessibility) Move this out of DEBUG by having a new enum in // ax_enums.mojom, and a matching ToString() in ax_enum_utils, as well as move // out duplicate code of String IgnoredReasonName(AXIgnoredReason reason) in // inspector_type_builder_helper.cc. String IgnoredReasonName(AXIgnoredReason reason) { … } String GetIgnoredReasonsDebugString(AXObject::IgnoredReasons& reasons) { … } #endif String GetNodeString(Node* node) { … } #if DCHECK_IS_ON() bool IsValidRole(ax::mojom::blink::Role role) { … } #endif constexpr wtf_size_t kNumRoles = …; ARIARoleMap; struct RoleEntry { … }; // Mapping of ARIA role name to internal role name. // This is used for the following: // 1. Map from an ARIA role to the internal role when building tree. // 2. Map from an internal role to an ARIA role name, for debugging, the // xml-roles object attribute and element.computedRole. const RoleEntry kAriaRoles[] = …; // More friendly names for debugging, and for WPT tests. // These are roles which map from the ARIA role name to the internal role when // building the tree, but in DevTools or testing, we want to show the ARIA // role name, since that is the publicly visible concept. const RoleEntry kReverseRoles[] = …; static ARIARoleMap* CreateARIARoleMap() { … } // The role name vector contains only ARIA roles, and no internal roles. static Vector<AtomicString>* CreateAriaRoleNameVector() { … } void AddIntListAttributeFromObjects(ax::mojom::blink::IntListAttribute attr, const AXObject::AXObjectVector& objects, ui::AXNodeData* node_data) { … } // Max length for attributes such as aria-label. static constexpr uint32_t kMaxStringAttributeLength = …; // Max length for a static text name. // Length of War and Peace (http://www.gutenberg.org/files/2600/2600-0.txt). static constexpr uint32_t kMaxStaticTextLength = …; std::string TruncateString(const String& str, uint32_t max_len = kMaxStringAttributeLength) { … } bool TruncateAndAddStringAttribute( ui::AXNodeData* dst, ax::mojom::blink::StringAttribute attribute, const String& value, uint32_t max_len = kMaxStringAttributeLength) { … } void AddIntListAttributeFromOffsetVector( ax::mojom::blink::IntListAttribute attr, const Vector<int> offsets, ui::AXNodeData* node_data) { … } } // namespace int32_t ToAXMarkerType(DocumentMarker::MarkerType marker_type) { … } int32_t ToAXHighlightType(const AtomicString& highlight_type) { … } const AXObject* FindAncestorWithAriaHidden(const AXObject* start) { … } // static unsigned AXObject::number_of_live_ax_objects_ = …; AXObject::AXObject(AXObjectCacheImpl& ax_object_cache) : … { … } AXObject::~AXObject() { … } void AXObject::SetHasDirtyDescendants(bool dirty) { … } void AXObject::SetAncestorsHaveDirtyDescendants() { … } void AXObject::Init(AXObject* parent) { … } void AXObject::Detach() { … } bool AXObject::IsDetached() const { … } bool AXObject::IsRoot() const { … } void AXObject::SetParent(AXObject* new_parent) { … } bool AXObject::IsMissingParent() const { … } // In many cases, ComputeParent() is not called, because the parent adding // the parent adding the child will pass itself into AXObjectCacheImpl. // ComputeParent() is still necessary because some parts of the code, // especially web tests, result in AXObjects being created in the middle of // the tree before their parents are created. // TODO(accessibility) Consider forcing all ax objects to be created from // the top down, eliminating the need for ComputeParent(). AXObject* AXObject::ComputeParent() const { … } // Same as ComputeParent, but without the extra check for valid parent in the // end. This is for use in RestoreParentOrPrune. AXObject* AXObject::ComputeParentOrNull() const { … } // static Node* AXObject::GetParentNodeForComputeParent(AXObjectCacheImpl& cache, Node* node) { … } // static bool AXObject::CanComputeAsNaturalParent(Node* node) { … } // static bool AXObject::CanHaveChildren(Element& element) { … } // static AXObject* AXObject::ComputeAccessibleNodeParent( AXObjectCacheImpl& cache, AccessibleNode& accessible_node) { … } // static HTMLMapElement* AXObject::GetMapForImage(Node* image) { … } // static AXObject* AXObject::ComputeNonARIAParent(AXObjectCacheImpl& cache, Node* current_node) { … } #if DCHECK_IS_ON() std::string AXObject::GetAXTreeForThis() const { … } void AXObject::ShowAXTreeForThis() const { … } #endif const AtomicString& AXObject::GetAOMPropertyOrARIAAttribute( AOMStringProperty property) const { … } Element* AXObject::GetAOMPropertyOrARIAAttribute( AOMRelationProperty property) const { … } bool AXObject::HasAOMProperty(AOMRelationListProperty property, HeapVector<Member<Element>>& result) const { … } bool AXObject::HasAOMPropertyOrARIAAttribute( AOMRelationListProperty property, HeapVector<Member<Element>>& result) const { … } bool AXObject::HasAOMPropertyOrARIAAttribute(AOMBooleanProperty property, bool& result) const { … } bool AXObject::AOMPropertyOrARIAAttributeIsTrue( AOMBooleanProperty property) const { … } bool AXObject::AOMPropertyOrARIAAttributeIsFalse( AOMBooleanProperty property) const { … } bool AXObject::HasAOMPropertyOrARIAAttribute(AOMUIntProperty property, uint32_t& result) const { … } bool AXObject::HasAOMPropertyOrARIAAttribute(AOMIntProperty property, int32_t& result) const { … } bool AXObject::HasAOMPropertyOrARIAAttribute(AOMFloatProperty property, float& result) const { … } bool AXObject::HasAOMPropertyOrARIAAttribute(AOMStringProperty property, AtomicString& result) const { … } AccessibleNode* AXObject::GetAccessibleNode() const { … } namespace { void SerializeAriaNotificationAttributes(const AriaNotifications& notifications, ui::AXNodeData* node_data) { … } } // namespace void AXObject::Serialize(ui::AXNodeData* node_data, ui::AXMode accessibility_mode) const { … } void AXObject::SerializeBoundingBoxAttributes(ui::AXNodeData& dst) const { … } static bool AXShouldIncludePageScaleFactorInRoot() { … } void AXObject::PopulateAXRelativeBounds(ui::AXRelativeBounds& bounds, bool* clips_children) const { … } void AXObject::SerializeActionAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeChildTreeID(ui::AXNodeData* node_data) const { … } void AXObject::SerializeChooserPopupAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeColorAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeElementAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeHTMLTagAndClass(ui::AXNodeData* node_data) const { … } void AXObject::SerializeHTMLId(ui::AXNodeData* node_data) const { … } void AXObject::SerializeHTMLAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeInlineTextBox(ui::AXNodeData* node_data) const { … } void AXObject::SerializeLangAttribute(ui::AXNodeData* node_data) const { … } void AXObject::SerializeLineAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeListAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeListMarkerAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeLiveRegionAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeNameAndDescriptionAttributes( ui::AXMode accessibility_mode, ui::AXNodeData* node_data) const { … } void AXObject::SerializeScreenReaderAttributes(ui::AXNodeData* node_data) const { … } String AXObject::KeyboardShortcut() const { … } void AXObject::SerializeOtherScreenReaderAttributes( ui::AXNodeData* node_data) const { … } void AXObject::SerializeMathContent(ui::AXNodeData* node_data) const { … } void AXObject::SerializeScrollAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeSparseAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeStyleAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeTableAttributes(ui::AXNodeData* node_data) const { … } // Attributes that don't need to be serialized on ignored nodes. void AXObject::SerializeUnignoredAttributes(ui::AXNodeData* node_data, ui::AXMode accessibility_mode) const { … } void AXObject::SerializeComputedDetailsRelation( ui::AXNodeData* node_data) const { … } bool AXObject::IsPlainContent() const { … } // Popover invoking elements should have details relationships with their // target popover, when that popover is a) open, and b) not the next element // in the DOM (depth first search order). AXObject* AXObject::GetTargetPopoverForInvoker() const { … } // Try to get an aria-controls for an <input role="combobox">, because it // helps identify focusable options in the listbox using activedescendant // detection, even though the focus is on the textbox and not on the listbox // ancestor. AXObject* AXObject::GetControlsListboxForTextfieldCombobox() const { … } const AtomicString& AXObject::GetRoleStringForSerialization( ui::AXNodeData* node_data) const { … } void AXObject::SerializeMarkerAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeImageDataAttributes(ui::AXNodeData* node_data) const { … } void AXObject::SerializeTextInsertionDeletionOffsetAttributes( ui::AXNodeData* node_data) const { … } bool AXObject::IsAXNodeObject() const { … } bool AXObject::IsAXInlineTextBox() const { … } bool AXObject::IsList() const { … } bool AXObject::IsProgressIndicator() const { … } bool AXObject::IsAXRadioInput() const { … } bool AXObject::IsSlider() const { … } bool AXObject::IsValidationMessage() const { … } bool AXObject::IsVirtualObject() const { … } ax::mojom::blink::Role AXObject::ComputeFinalRoleForSerialization() const { … } ax::mojom::blink::Role AXObject::RoleValue() const { … } bool AXObject::IsARIATextField() const { … } bool AXObject::IsButton() const { … } bool AXObject::IsCanvas() const { … } bool AXObject::IsColorWell() const { … } bool AXObject::IsControl() const { … } bool AXObject::IsDefault() const { … } bool AXObject::IsFieldset() const { … } bool AXObject::IsHeading() const { … } bool AXObject::IsImage() const { … } bool AXObject::IsInputImage() const { … } bool AXObject::IsLink() const { … } bool AXObject::IsImageMapLink() const { … } bool AXObject::IsMenu() const { … } bool AXObject::IsCheckable() const { … } ax::mojom::blink::CheckedState AXObject::CheckedState() const { … } String AXObject::GetValueForControl() const { … } String AXObject::GetValueForControl(AXObjectSet& visited) const { … } String AXObject::SlowGetValueForControlIncludingContentEditable() const { … } String AXObject::SlowGetValueForControlIncludingContentEditable( AXObjectSet& visited) const { … } bool AXObject::IsNativeCheckboxInMixedState(const Node* node) { … } bool AXObject::IsMenuRelated() const { … } bool AXObject::IsMeter() const { … } bool AXObject::IsNativeImage() const { … } bool AXObject::IsNativeSpinButton() const { … } bool AXObject::IsAtomicTextField() const { … } bool AXObject::IsNonAtomicTextField() const { … } AXObject* AXObject::GetTextFieldAncestor() { … } bool AXObject::IsPasswordField() const { … } bool AXObject::IsPasswordFieldAndShouldHideValue() const { … } bool AXObject::IsPresentational() const { … } bool AXObject::IsTextObject() const { … } bool AXObject::IsRangeValueSupported() const { … } bool AXObject::IsScrollbar() const { … } bool AXObject::IsNativeSlider() const { … } bool AXObject::IsSpinButton() const { … } bool AXObject::IsTabItem() const { … } bool AXObject::IsTextField() const { … } bool AXObject::IsAutofillAvailable() const { … } bool AXObject::IsClickable() const { … } AccessibilityExpanded AXObject::IsExpanded() const { … } bool AXObject::IsFocused() const { … } bool AXObject::IsHovered() const { … } bool AXObject::IsLineBreakingObject() const { … } bool AXObject::IsLinked() const { … } bool AXObject::IsLoaded() const { … } bool AXObject::IsMultiSelectable() const { … } bool AXObject::IsOffScreen() const { … } bool AXObject::IsRequired() const { … } AccessibilitySelectedState AXObject::IsSelected() const { … } bool AXObject::IsSelectedFromFocusSupported() const { … } bool AXObject::IsSelectedFromFocus() const { … } bool AXObject::IsNotUserSelectable() const { … } bool AXObject::IsVisited() const { … } bool AXObject::IsIgnored() const { … } bool AXObject::IsIgnored() { … } bool AXObject::IsIgnoredButIncludedInTree() const { … } bool AXObject::IsIgnoredButIncludedInTree() { … } // IsIncludedInTree should be true for all nodes that should be // included in the tree, even if they are ignored bool AXObject::CachedIsIncludedInTree() const { … } bool AXObject::IsIncludedInTree() const { … } bool AXObject::IsIncludedInTree() { … } void AXObject::CheckCanAccessCachedValues() const { … } void AXObject::InvalidateCachedValues() { … } void AXObject::UpdateCachedAttributeValuesIfNeeded( bool notify_parent_of_ignored_changes) { … } void AXObject::OnInheritedCachedValuesChanged() { … } bool AXObject::ComputeIsIgnored( IgnoredReasons* ignored_reasons) const { … } bool AXObject::ShouldIgnoreForHiddenOrInert( IgnoredReasons* ignored_reasons) const { … } // Note: do not rely on the value of this inside of display:none. // In practice, it does not matter because nodes in display:none subtrees are // marked ignored either way. bool AXObject::IsInert() { … } bool AXObject::ComputeIsInertViaStyle(const ComputedStyle* style, IgnoredReasons* ignored_reasons) const { … } bool AXObject::ComputeIsInert(IgnoredReasons* ignored_reasons) const { … } bool AXObject::IsAriaHiddenRoot() const { … } bool AXObject::IsAriaHidden() { … } bool AXObject::ComputeIsAriaHidden(IgnoredReasons* ignored_reasons) const { … } bool AXObject::IsModal() const { … } bool AXObject::IsBlockedByAriaModalDialog( IgnoredReasons* ignored_reasons) const { … } bool AXObject::IsVisible() const { … } const AXObject* AXObject::AriaHiddenRoot() const { … } const AXObject* AXObject::InertRoot() const { … } bool AXObject::DispatchEventToAOMEventListeners(Event& event) { … } bool AXObject::IsDescendantOfDisabledNode() { … } bool AXObject::ComputeIsDescendantOfDisabledNode() { … } bool AXObject::IsExcludedByFormControlsFilter() const { … } bool AXObject::ComputeIsIgnoredButIncludedInTree() { … } const AXObject* AXObject::GetAtomicTextFieldAncestor( int max_levels_to_check) const { … } const AXObject* AXObject::DatetimeAncestor() const { … } ax::mojom::blink::Role AXObject::DetermineRoleValue() { … } bool AXObject::CanSetValueAttribute() const { … } bool AXObject::CanSetFocusAttribute() { … } // TODO(accessibility) Look at reusing Element::IsFocusable() or // AXObject::IsKeyboardFocusable(). As long as we guard against style recalc by // returning early if IsHiddenViaStyle() is true, we can call // Element::IsKeyboardFocusable(), which would otherwise recalculate style at an // awkward time. bool AXObject::ComputeCanSetFocusAttribute() { … } bool AXObject::IsKeyboardFocusable() const { … } bool AXObject::CanSetSelectedAttribute() const { … } bool AXObject::IsSubWidget() const { … } bool AXObject::SupportsARIASetSizeAndPosInSet() const { … } bool AXObject::IsProhibited(ax::mojom::blink::StringAttribute attribute) const { … } bool AXObject::IsProhibited( ax::mojom::blink::IntListAttribute attribute) const { … } std::string AXObject::GetProhibitedNameError( const String& prohibited_name, ax::mojom::blink::NameFrom& prohibited_name_from) const { … } // Simplify whitespace, but preserve a single leading and trailing whitespace // character if it's present. String AXObject::SimplifyName(const String& str, ax::mojom::blink::NameFrom& name_from) const { … } String AXObject::ComputedName(ax::mojom::blink::NameFrom* name_from_out) const { … } bool AXObject::IsNameProhibited() const { … } String AXObject::GetName(ax::mojom::blink::NameFrom& name_from, AXObject::AXObjectVector* name_objects) const { … } String AXObject::GetName(NameSources* name_sources) const { … } String AXObject::RecursiveTextAlternative( const AXObject& ax_obj, const AXObject* aria_label_or_description_root, AXObjectSet& visited) { … } String AXObject::RecursiveTextAlternative( const AXObject& ax_obj, const AXObject* aria_label_or_description_root, AXObjectSet& visited, ax::mojom::blink::NameFrom& name_from) { … } const ComputedStyle* AXObject::GetComputedStyle() const { … } // There are 4 ways to use CSS to hide something: // * "display: none" is "destroy rendering state and don't do anything in the // subtree" // * "visibility: [hidden|collapse]" are "don't visually show things, but still // keep all of the rendering up to date" // * "content-visibility: hidden" is "don't show anything, skip all of the // work, but don't destroy the work that was already there" // * "content-visibility: auto" is "paint when it's scrolled into the viewport, // but its layout information is not updated when it isn't" bool AXObject::ComputeIsHiddenViaStyle(const ComputedStyle* style) { … } bool AXObject::IsHiddenViaStyle() { … } // Return true if this should be removed from accessible name computations. // We must take into account if we are traversing an aria-labelledby or // describedby relation, because those can use hidden subtrees. When the target // node of the aria-labelledby or describedby relation is hidden, we contribute // all its children, because there is no way to know if they are explicitly // hidden or they inherited the hidden value. See: // https://github.com/w3c/accname/issues/57 bool AXObject::IsHiddenForTextAlternativeCalculation( const AXObject* aria_label_or_description_root) const { … } bool AXObject::IsUsedForLabelOrDescription() { … } bool AXObject::ComputeIsUsedForLabelOrDescription() { … } String AXObject::AriaTextAlternative( bool recursive, const AXObject* aria_label_or_description_root, AXObjectSet& visited, ax::mojom::blink::NameFrom& name_from, AXRelatedObjectVector* related_objects, NameSources* name_sources, bool* found_text_alternative) const { … } #if EXPENSIVE_DCHECKS_ARE_ON() void AXObject::CheckSubtreeIsForLabelOrDescription(const AXObject* obj) const { … } #endif String AXObject::TextFromElements( bool in_aria_labelledby_traversal, AXObjectSet& visited, HeapVector<Member<Element>>& elements, AXRelatedObjectVector* related_objects) const { … } // static void AXObject::TokenVectorFromAttribute(Element* element, Vector<String>& tokens, const QualifiedName& attribute) { … } // static bool AXObject::ElementsFromAttribute(Element* from, HeapVector<Member<Element>>& elements, const QualifiedName& attribute) { … } // static bool AXObject::AriaLabelledbyElementVector( Element* from, HeapVector<Member<Element>>& elements) { … } // static bool AXObject::IsNameFromAriaAttribute(Element* element) { … } bool AXObject::IsNameFromAuthorAttribute() const { … } AXObject* AXObject::InPageLinkTarget() const { … } const AtomicString& AXObject::EffectiveTarget() const { … } AccessibilityOrientation AXObject::Orientation() const { … } AXObject* AXObject::GetChildFigcaption() const { … } bool AXObject::IsDescendantOfLandmarkDisallowedElement() const { … } void AXObject::LoadInlineTextBoxes() { … } void AXObject::LoadInlineTextBoxesHelper() { … } AXObject* AXObject::NextOnLine() const { … } AXObject* AXObject::PreviousOnLine() const { … } std::optional<const DocumentMarker::MarkerType> AXObject::GetAriaSpellingOrGrammarMarker() const { … } void AXObject::TextCharacterOffsets(Vector<int>&) const { … } void AXObject::GetWordBoundaries(Vector<int>& word_starts, Vector<int>& word_ends) const { … } int AXObject::TextLength() const { … } int AXObject::TextOffsetInFormattingContext(int offset) const { … } int AXObject::TextOffsetInContainer(int offset) const { … } ax::mojom::blink::DefaultActionVerb AXObject::Action() const { … } bool AXObject::AriaPressedIsPresent() const { … } bool AXObject::AriaCheckedIsPresent() const { … } bool AXObject::SupportsARIAExpanded() const { … } bool DoesUndoRolePresentation(const AtomicString& name) { … } bool AXObject::HasAriaAttribute(bool does_undo_role_presentation) const { … } int AXObject::IndexInParent() const { … } bool AXObject::IsOnlyChild() const { … } bool AXObject::IsInMenuListSubtree() { … } bool AXObject::ComputeIsInMenuListSubtree() { … } bool AXObject::IsMenuList() const { … } const AXObject* AXObject::AncestorMenuListOption() const { … } const AXObject* AXObject::AncestorMenuList() const { … } bool AXObject::IsLiveRegionRoot() const { … } bool AXObject::IsActiveLiveRegionRoot() const { … } const AtomicString& AXObject::LiveRegionStatus() const { … } const AtomicString& AXObject::LiveRegionRelevant() const { … } bool AXObject::IsDisabled() const { … } AXRestriction AXObject::Restriction() const { … } ax::mojom::blink::Role AXObject::RawAriaRole() const { … } ax::mojom::blink::Role AXObject::DetermineRawAriaRole() const { … } ax::mojom::blink::Role AXObject::DetermineAriaRole() const { … } ax::mojom::blink::HasPopup AXObject::HasPopup() const { … } ax::mojom::blink::IsPopup AXObject::IsPopup() const { … } bool AXObject::IsEditable() const { … } bool AXObject::IsEditableRoot() const { … } bool AXObject::HasContentEditableAttributeSet() const { … } bool AXObject::IsMultiline() const { … } bool AXObject::IsRichlyEditable() const { … } AXObject* AXObject::LiveRegionRoot() { … } bool AXObject::LiveRegionAtomic() const { … } const AtomicString& AXObject::ContainerLiveRegionStatus() const { … } const AtomicString& AXObject::ContainerLiveRegionRelevant() const { … } bool AXObject::ContainerLiveRegionAtomic() const { … } bool AXObject::ContainerLiveRegionBusy() const { … } AXObject* AXObject::ElementAccessibilityHitTest(const gfx::Point& point) const { … } AXObject::AncestorsIterator AXObject::UnignoredAncestorsBegin() const { … } AXObject::AncestorsIterator AXObject::UnignoredAncestorsEnd() const { … } int AXObject::ChildCountIncludingIgnored() const { … } AXObject* AXObject::ChildAtIncludingIgnored(int index) const { … } const AXObject::AXObjectVector& AXObject::ChildrenIncludingIgnored() const { … } const AXObject::AXObjectVector& AXObject::ChildrenIncludingIgnored() { … } const AXObject::AXObjectVector AXObject::UnignoredChildren() const { … } const AXObject::AXObjectVector AXObject::UnignoredChildren() { … } AXObject* AXObject::FirstChildIncludingIgnored() const { … } AXObject* AXObject::LastChildIncludingIgnored() const { … } AXObject* AXObject::DeepestFirstChildIncludingIgnored() const { … } AXObject* AXObject::DeepestLastChildIncludingIgnored() const { … } AXObject* AXObject::NextSiblingIncludingIgnored() const { … } AXObject* AXObject::PreviousSiblingIncludingIgnored() const { … } AXObject* AXObject::CachedPreviousSiblingIncludingIgnored() const { … } AXObject* AXObject::NextInPreOrderIncludingIgnored( const AXObject* within) const { … } AXObject* AXObject::PreviousInPreOrderIncludingIgnored( const AXObject* within) const { … } AXObject* AXObject::PreviousInPostOrderIncludingIgnored( const AXObject* within) const { … } AXObject* AXObject::FirstObjectWithRole(ax::mojom::blink::Role role) const { … } int AXObject::UnignoredChildCount() const { … } AXObject* AXObject::UnignoredChildAt(int index) const { … } AXObject* AXObject::UnignoredNextSibling() const { … } AXObject* AXObject::UnignoredPreviousSibling() const { … } AXObject* AXObject::UnignoredNextInPreOrder() const { … } AXObject* AXObject::UnignoredPreviousInPreOrder() const { … } AXObject* AXObject::ParentObject() const { … } AXObject* AXObject::ParentObject() { … } AXObject* AXObject::ParentObjectUnignored() const { … } AXObject* AXObject::ParentObjectIncludedInTree() const { … } Element* AXObject::GetClosestElement() const { … } // Container widgets are those that a user tabs into and arrows around // sub-widgets bool AXObject::IsContainerWidget() const { … } AXObject* AXObject::ContainerWidget() const { … } AXObject* AXObject::ContainerListMarkerIncludingIgnored() const { … } // Determine which traversal approach is used to get children of an object. bool AXObject::ShouldUseLayoutObjectTraversalForChildren() const { … } void AXObject::UpdateChildrenIfNecessary() { … } bool AXObject::NeedsToUpdateChildren() const { … } #if DCHECK_IS_ON() void AXObject::CheckIncludedObjectConnectedToRoot() const { … } #endif void AXObject::SetNeedsToUpdateChildren(bool update) { … } // static bool AXObject::CanSafelyUseFlatTreeTraversalNow(Document& document) { … } bool AXObject::ShouldDestroyWhenDetachingFromParent() const { … } void AXObject::DetachFromParent() { … } void AXObject::SetChildTree(const ui::AXTreeID& child_tree_id) { … } void AXObject::ClearChildren() { … } void AXObject::ChildrenChangedWithCleanLayout() { … } Node* AXObject::GetNode() const { … } LayoutObject* AXObject::GetLayoutObject() const { … } Element* AXObject::GetElement() const { … } AXObject* AXObject::RootScroller() const { … } LocalFrameView* AXObject::DocumentFrameView() const { … } AtomicString AXObject::Language() const { … } // // Scrollable containers. // bool AXObject::IsScrollableContainer() const { … } bool AXObject::IsUserScrollable() const { … } gfx::Point AXObject::GetScrollOffset() const { … } gfx::Point AXObject::MinimumScrollOffset() const { … } gfx::Point AXObject::MaximumScrollOffset() const { … } void AXObject::SetScrollOffset(const gfx::Point& offset) const { … } void AXObject::Scroll(ax::mojom::blink::Action scroll_action) const { … } bool AXObject::IsTableLikeRole() const { … } bool AXObject::IsTableRowLikeRole() const { … } bool AXObject::IsTableCellLikeRole() const { … } unsigned AXObject::ColumnCount() const { … } unsigned AXObject::RowCount() const { … } void AXObject::ColumnHeaders(AXObjectVector& headers) const { … } void AXObject::RowHeaders(AXObjectVector& headers) const { … } AXObject* AXObject::CellForColumnAndRow(unsigned target_column_index, unsigned target_row_index) const { … } int AXObject::AriaColumnCount() const { … } int AXObject::AriaRowCount() const { … } unsigned AXObject::ColumnIndex() const { … } unsigned AXObject::RowIndex() const { … } unsigned AXObject::ColumnSpan() const { … } unsigned AXObject::RowSpan() const { … } unsigned AXObject::AriaColumnIndex() const { … } unsigned AXObject::AriaRowIndex() const { … } AXObject::AXObjectVector AXObject::TableRowChildren() const { … } AXObject::AXObjectVector AXObject::TableCellChildren() const { … } void AXObject::GetRelativeBounds(AXObject** out_container, gfx::RectF& out_bounds_in_container, gfx::Transform& out_container_transform, bool* clips_children) const { … } gfx::RectF AXObject::LocalBoundingBoxRectForAccessibility() { … } PhysicalRect AXObject::GetBoundsInFrameCoordinates() const { … } void AXObject::UpdateStyleAndLayoutTreeForNode(Node& node) { … } // // Modify or take an action on an object. // bool AXObject::PerformAction(const ui::AXActionData& action_data) { … } bool AXObject::RequestDecrementAction() { … } bool AXObject::RequestClickAction() { … } bool AXObject::OnNativeClickAction() { … } bool AXObject::RequestFocusAction() { … } bool AXObject::RequestIncrementAction() { … } bool AXObject::RequestScrollToGlobalPointAction(const gfx::Point& point) { … } bool AXObject::RequestScrollToMakeVisibleAction() { … } bool AXObject::RequestScrollToMakeVisibleWithSubFocusAction( const gfx::Rect& subfocus, blink::mojom::blink::ScrollAlignment horizontal_scroll_alignment, blink::mojom::blink::ScrollAlignment vertical_scroll_alignment) { … } bool AXObject::RequestSetSelectedAction(bool selected) { … } bool AXObject::RequestSetSequentialFocusNavigationStartingPointAction() { … } bool AXObject::RequestSetValueAction(const String& value) { … } bool AXObject::RequestShowContextMenuAction() { … } bool AXObject::RequestExpandAction() { … } bool AXObject::RequestCollapseAction() { … } bool AXObject::OnNativeKeyboardAction(const ax::mojom::Action action) { … } bool AXObject::InternalSetAccessibilityFocusAction() { … } bool AXObject::InternalClearAccessibilityFocusAction() { … } LayoutObject* AXObject::GetLayoutObjectForNativeScrollAction() const { … } void AXObject::DispatchKeyboardEvent(LocalDOMWindow* local_dom_window, WebInputEvent::Type type, ax::mojom::blink::Action action) const { … } bool AXObject::OnNativeScrollToMakeVisibleAction() const { … } bool AXObject::OnNativeScrollToMakeVisibleWithSubFocusAction( const gfx::Rect& rect, blink::mojom::blink::ScrollAlignment horizontal_scroll_alignment, blink::mojom::blink::ScrollAlignment vertical_scroll_alignment) const { … } bool AXObject::OnNativeScrollToGlobalPointAction( const gfx::Point& global_point) const { … } bool AXObject::OnNativeSetSequentialFocusNavigationStartingPointAction() { … } bool AXObject::OnNativeDecrementAction() { … } bool AXObject::OnNativeBlurAction() { … } bool AXObject::OnNativeFocusAction() { … } bool AXObject::OnNativeIncrementAction() { … } bool AXObject::OnNativeSetValueAction(const String&) { … } bool AXObject::OnNativeSetSelectedAction(bool) { … } bool AXObject::OnNativeShowContextMenuAction() { … } // static bool AXObject::IsFrame(const Node* node) { … } // static bool AXObject::HasARIAOwns(Element* element) { … } // static ax::mojom::blink::Role AXObject::FirstValidRoleInRoleString( const String& value, bool ignore_form_and_region) { … } bool AXObject::SupportsNameFromContents(bool recursive) const { … } bool AXObject::SupportsARIAReadOnly() const { … } ax::mojom::blink::Role AXObject::ButtonRoleType() const { … } // static const AtomicString& AXObject::AriaRoleName(ax::mojom::blink::Role role) { … } const String AXObject::InternalRoleName(ax::mojom::blink::Role role) { … } // static const String AXObject::RoleName(ax::mojom::blink::Role role, bool* is_internal) { … } // static const AXObject* AXObject::LowestCommonAncestor(const AXObject& first, const AXObject& second, int* index_in_ancestor1, int* index_in_ancestor2) { … } // Extra checks that only occur during serialization. void AXObject::PreSerializationConsistencyCheck() const{ … } String AXObject::ToString(bool verbose) const { … } bool operator==(const AXObject& first, const AXObject& second) { … } bool operator!=(const AXObject& first, const AXObject& second) { … } bool operator<(const AXObject& first, const AXObject& second) { … } bool operator<=(const AXObject& first, const AXObject& second) { … } bool operator>(const AXObject& first, const AXObject& second) { … } bool operator>=(const AXObject& first, const AXObject& second) { … } std::ostream& operator<<(std::ostream& stream, const AXObject* obj) { … } std::ostream& operator<<(std::ostream& stream, const AXObject& obj) { … } void AXObject::Trace(Visitor* visitor) const { … } } // namespace blink
Codebase Browser
chromium