| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "third_party/blink/renderer/modules/accessibility/ax_sparse_attribute_setter.h" |
| #include "third_party/blink/renderer/core/dom/qualified_name.h" |
| #include "third_party/blink/renderer/modules/accessibility/ax_object_cache_impl.h" |
| #include "third_party/blink/renderer/platform/runtime_enabled_features.h" |
| #include "third_party/blink/renderer/platform/wtf/functional.h" |
| |
| namespace blink { |
| |
| void SetIntAttribute(ax::mojom::blink::IntAttribute attribute, |
| AXObject* object, |
| ui::AXNodeData* node_data, |
| const AtomicString& value) { |
| node_data->AddIntAttribute(attribute, value.ToInt()); |
| } |
| |
| void SetBoolAttribute(ax::mojom::blink::BoolAttribute attribute, |
| AXObject* object, |
| ui::AXNodeData* node_data, |
| const AtomicString& value) { |
| // ARIA booleans are true if not "false" and not specifically undefined. |
| bool is_true = !AccessibleNode::IsUndefinedAttrValue(value) && |
| !EqualIgnoringASCIICase(value, "false"); |
| if (is_true) // Not necessary to add if false |
| node_data->AddBoolAttribute(attribute, true); |
| } |
| |
| void SetStringAttribute(ax::mojom::blink::StringAttribute attribute, |
| AXObject* object, |
| ui::AXNodeData* node_data, |
| const AtomicString& value) { |
| node_data->AddStringAttribute(attribute, value.Utf8()); |
| } |
| |
| void SetObjectAttribute(ax::mojom::blink::IntAttribute attribute, |
| QualifiedName qualified_name, |
| AXObject* object, |
| ui::AXNodeData* node_data, |
| const AtomicString& value) { |
| Element* element = object->GetElement(); |
| if (!element) |
| return; |
| |
| Element* target = element->GetElementAttribute(qualified_name); |
| |
| if (!target) |
| return; |
| |
| AXObject* ax_target = object->AXObjectCache().GetOrCreate(target); |
| if (!ax_target) |
| return; |
| if (attribute == ax::mojom::blink::IntAttribute::kActivedescendantId && |
| !ax_target->IsVisible()) { |
| return; |
| } |
| |
| node_data->AddIntAttribute(attribute, ax_target->AXObjectID()); |
| } |
| |
| void SetIntListAttribute(ax::mojom::blink::IntListAttribute attribute, |
| QualifiedName qualified_name, |
| AXObject* object, |
| ui::AXNodeData* node_data, |
| const AtomicString& value) { |
| Element* element = object->GetElement(); |
| if (!element) |
| return; |
| base::Optional<HeapVector<Member<Element>>> attr_associated_elements = |
| element->GetElementArrayAttribute(qualified_name); |
| if (!attr_associated_elements) |
| return; |
| std::vector<int32_t> ax_ids; |
| |
| for (const auto& associated_element : attr_associated_elements.value()) { |
| AXObject* ax_element = |
| object->AXObjectCache().GetOrCreate(associated_element); |
| if (!ax_element) |
| continue; |
| if (!ax_element->AccessibilityIsIgnored()) |
| ax_ids.push_back(ax_element->AXObjectID()); |
| } |
| node_data->AddIntListAttribute(attribute, ax_ids); |
| } |
| |
| AXSparseAttributeSetterMap& GetAXSparseAttributeSetterMap() { |
| DEFINE_STATIC_LOCAL(AXSparseAttributeSetterMap, ax_sparse_setter_map, ()); |
| if (ax_sparse_setter_map.IsEmpty()) { |
| ax_sparse_setter_map.Set( |
| html_names::kAriaActivedescendantAttr, |
| WTF::BindRepeating(&SetObjectAttribute, |
| ax::mojom::blink::IntAttribute::kActivedescendantId, |
| html_names::kAriaActivedescendantAttr)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaBusyAttr, |
| WTF::BindRepeating(&SetBoolAttribute, |
| ax::mojom::blink::BoolAttribute::kBusy)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaColcountAttr, |
| WTF::BindRepeating(&SetIntAttribute, |
| ax::mojom::blink::IntAttribute::kAriaColumnCount)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaColindexAttr, |
| WTF::BindRepeating( |
| &SetIntAttribute, |
| ax::mojom::blink::IntAttribute::kAriaCellColumnIndex)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaColspanAttr, |
| WTF::BindRepeating( |
| &SetIntAttribute, |
| ax::mojom::blink::IntAttribute::kAriaCellColumnSpan)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaControlsAttr, |
| WTF::BindRepeating(&SetIntListAttribute, |
| ax::mojom::blink::IntListAttribute::kControlsIds, |
| html_names::kAriaControlsAttr)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaErrormessageAttr, |
| WTF::BindRepeating(&SetObjectAttribute, |
| ax::mojom::blink::IntAttribute::kErrormessageId, |
| html_names::kAriaErrormessageAttr)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaDetailsAttr, |
| WTF::BindRepeating(&SetIntListAttribute, |
| ax::mojom::blink::IntListAttribute::kDetailsIds, |
| html_names::kAriaDetailsAttr)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaFlowtoAttr, |
| WTF::BindRepeating(&SetIntListAttribute, |
| ax::mojom::blink::IntListAttribute::kFlowtoIds, |
| html_names::kAriaFlowtoAttr)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaRowcountAttr, |
| WTF::BindRepeating(&SetIntAttribute, |
| ax::mojom::blink::IntAttribute::kAriaRowCount)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaRowindexAttr, |
| WTF::BindRepeating(&SetIntAttribute, |
| ax::mojom::blink::IntAttribute::kAriaCellRowIndex)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaRowspanAttr, |
| WTF::BindRepeating(&SetIntAttribute, |
| ax::mojom::blink::IntAttribute::kAriaCellRowSpan)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaRoledescriptionAttr, |
| WTF::BindRepeating( |
| &SetStringAttribute, |
| ax::mojom::blink::StringAttribute::kRoleDescription)); |
| ax_sparse_setter_map.Set( |
| html_names::kAriaTouchpassthroughAttr, |
| WTF::BindRepeating(&SetBoolAttribute, |
| ax::mojom::blink::BoolAttribute::kTouchPassthrough)); |
| if (RuntimeEnabledFeatures::AccessibilityAriaVirtualContentEnabled()) { |
| ax_sparse_setter_map.Set( |
| html_names::kAriaVirtualcontentAttr, |
| WTF::BindRepeating( |
| &SetStringAttribute, |
| ax::mojom::blink::StringAttribute::kVirtualContent)); |
| } |
| ax_sparse_setter_map.Set( |
| html_names::kAriaKeyshortcutsAttr, |
| WTF::BindRepeating(&SetStringAttribute, |
| ax::mojom::blink::StringAttribute::kKeyShortcuts)); |
| } |
| |
| return ax_sparse_setter_map; |
| } |
| |
| void AXNodeDataAOMPropertyClient::AddStringProperty(AOMStringProperty property, |
| const String& value) { |
| ax::mojom::blink::StringAttribute attribute; |
| switch (property) { |
| case AOMStringProperty::kKeyShortcuts: |
| attribute = ax::mojom::blink::StringAttribute::kKeyShortcuts; |
| break; |
| case AOMStringProperty::kRoleDescription: |
| attribute = ax::mojom::blink::StringAttribute::kRoleDescription; |
| break; |
| case AOMStringProperty::kVirtualContent: |
| if (!RuntimeEnabledFeatures::AccessibilityAriaVirtualContentEnabled()) |
| return; |
| attribute = ax::mojom::blink::StringAttribute::kVirtualContent; |
| break; |
| default: |
| return; |
| } |
| node_data_.AddStringAttribute(attribute, value.Utf8()); |
| } |
| |
| void AXNodeDataAOMPropertyClient::AddBooleanProperty( |
| AOMBooleanProperty property, |
| bool value) { |
| ax::mojom::blink::BoolAttribute attribute; |
| switch (property) { |
| case AOMBooleanProperty::kBusy: |
| attribute = ax::mojom::blink::BoolAttribute::kBusy; |
| break; |
| default: |
| return; |
| } |
| node_data_.AddBoolAttribute(attribute, value); |
| } |
| |
| void AXNodeDataAOMPropertyClient::AddFloatProperty(AOMFloatProperty property, |
| float value) {} |
| |
| void AXNodeDataAOMPropertyClient::AddRelationProperty( |
| AOMRelationProperty property, |
| const AccessibleNode& value) { |
| ax::mojom::blink::IntAttribute attribute; |
| switch (property) { |
| case AOMRelationProperty::kActiveDescendant: |
| attribute = ax::mojom::blink::IntAttribute::kActivedescendantId; |
| break; |
| case AOMRelationProperty::kErrorMessage: |
| attribute = ax::mojom::blink::IntAttribute::kErrormessageId; |
| break; |
| default: |
| return; |
| } |
| |
| Element* target = value.element(); |
| AXObject* ax_target = ax_object_cache_->GetOrCreate(target); |
| if (!ax_target) |
| return; |
| |
| node_data_.AddIntAttribute(attribute, ax_target->AXObjectID()); |
| } |
| |
| void AXNodeDataAOMPropertyClient::AddRelationListProperty( |
| AOMRelationListProperty property, |
| const AccessibleNodeList& relations) { |
| ax::mojom::blink::IntListAttribute attribute; |
| switch (property) { |
| case AOMRelationListProperty::kControls: |
| attribute = ax::mojom::blink::IntListAttribute::kControlsIds; |
| break; |
| case AOMRelationListProperty::kDetails: |
| attribute = ax::mojom::blink::IntListAttribute::kDetailsIds; |
| break; |
| case AOMRelationListProperty::kFlowTo: |
| attribute = ax::mojom::blink::IntListAttribute::kFlowtoIds; |
| break; |
| default: |
| return; |
| } |
| |
| std::vector<int32_t> ax_ids; |
| for (unsigned i = 0; i < relations.length(); ++i) { |
| AccessibleNode* accessible_node = relations.item(i); |
| if (accessible_node) { |
| Element* element = accessible_node->element(); |
| AXObject* ax_element = ax_object_cache_->GetOrCreate(element); |
| if (ax_element && !ax_element->AccessibilityIsIgnored()) |
| ax_ids.push_back(ax_element->AXObjectID()); |
| } |
| } |
| |
| node_data_.AddIntListAttribute(attribute, ax_ids); |
| } |
| |
| } // namespace blink |
