diff options
Diffstat (limited to 'chromium/third_party/blink/renderer/core/dom/computed_accessible_node.cc')
| -rw-r--r-- | chromium/third_party/blink/renderer/core/dom/computed_accessible_node.cc | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/chromium/third_party/blink/renderer/core/dom/computed_accessible_node.cc b/chromium/third_party/blink/renderer/core/dom/computed_accessible_node.cc deleted file mode 100644 index a90b034b803..00000000000 --- a/chromium/third_party/blink/renderer/core/dom/computed_accessible_node.cc +++ /dev/null @@ -1,346 +0,0 @@ -// 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/core/dom/computed_accessible_node.h" - -#include <stdint.h> -#include <utility> - -#include "third_party/blink/public/platform/platform.h" -#include "third_party/blink/public/web/web_frame_client.h" -#include "third_party/blink/renderer/core/dom/dom_exception.h" -#include "third_party/blink/renderer/core/dom/frame_request_callback_collection.h" -#include "third_party/blink/renderer/core/frame/local_frame.h" -#include "third_party/blink/renderer/core/frame/web_local_frame_impl.h" -#include "third_party/blink/renderer/platform/bindings/script_state.h" -#include "third_party/blink/renderer/platform/heap/handle.h" -#include "third_party/blink/renderer/platform/scheduler/public/thread_scheduler.h" - -namespace blink { - -class ComputedAccessibleNodePromiseResolver::RequestAnimationFrameCallback final - : public FrameRequestCallbackCollection::FrameCallback { - public: - explicit RequestAnimationFrameCallback( - ComputedAccessibleNodePromiseResolver* resolver) - : resolver_(resolver) {} - - void Invoke(double) override { - resolver_->continue_callback_request_id_ = 0; - resolver_->UpdateTreeAndResolve(); - } - - void Trace(blink::Visitor* visitor) override { - visitor->Trace(resolver_); - FrameRequestCallbackCollection::FrameCallback::Trace(visitor); - } - - private: - Member<ComputedAccessibleNodePromiseResolver> resolver_; - - DISALLOW_COPY_AND_ASSIGN(RequestAnimationFrameCallback); -}; - -ComputedAccessibleNodePromiseResolver* -ComputedAccessibleNodePromiseResolver::Create(ScriptState* script_state, - Element& element) { - return new ComputedAccessibleNodePromiseResolver(script_state, element); -} - -ComputedAccessibleNodePromiseResolver::ComputedAccessibleNodePromiseResolver( - ScriptState* script_state, - Element& element) - : element_(element), - resolver_(ScriptPromiseResolver::Create(script_state)), - resolve_with_node_(false) {} - -ScriptPromise ComputedAccessibleNodePromiseResolver::Promise() { - return resolver_->Promise(); -} - -void ComputedAccessibleNodePromiseResolver::Trace(blink::Visitor* visitor) { - visitor->Trace(element_); - visitor->Trace(resolver_); -} - -void ComputedAccessibleNodePromiseResolver::ComputeAccessibleNode() { - resolve_with_node_ = true; - EnsureUpToDate(); -} - -void ComputedAccessibleNodePromiseResolver::EnsureUpToDate() { - DCHECK(RuntimeEnabledFeatures::AccessibilityObjectModelEnabled()); - if (continue_callback_request_id_) - return; - // TODO(aboxhall): Trigger a call when lifecycle is next at kPrePaintClean. - RequestAnimationFrameCallback* callback = - new RequestAnimationFrameCallback(this); - continue_callback_request_id_ = - element_->GetDocument().RequestAnimationFrame(callback); -} - -void ComputedAccessibleNodePromiseResolver::UpdateTreeAndResolve() { - LocalFrame* local_frame = element_->ownerDocument()->GetFrame(); - WebFrameClient* client = WebLocalFrameImpl::FromFrame(local_frame)->Client(); - WebComputedAXTree* tree = client->GetOrCreateWebComputedAXTree(); - tree->ComputeAccessibilityTree(); - - if (!resolve_with_node_) { - resolver_->Resolve(); - return; - } - - Document& document = element_->GetDocument(); - document.View()->UpdateLifecycleToCompositingCleanPlusScrolling(); - AXObjectCache* cache = element_->GetDocument().GetOrCreateAXObjectCache(); - DCHECK(cache); - AXID ax_id = cache->GetAXID(element_); - - ComputedAccessibleNode* accessible_node = - local_frame->GetOrCreateComputedAccessibleNode(ax_id, tree); - resolver_->Resolve(accessible_node); -} - -// ComputedAccessibleNode ------------------------------------------------------ - -ComputedAccessibleNode* ComputedAccessibleNode::Create(AXID ax_id, - WebComputedAXTree* tree, - LocalFrame* frame) { - return new ComputedAccessibleNode(ax_id, tree, frame); -} - -ComputedAccessibleNode::ComputedAccessibleNode(AXID ax_id, - WebComputedAXTree* tree, - LocalFrame* frame) - : ax_id_(ax_id), tree_(tree), frame_(frame) {} - -ComputedAccessibleNode::~ComputedAccessibleNode() {} - -bool ComputedAccessibleNode::atomic(bool& is_null) const { - return GetBoolAttribute(WebAOMBoolAttribute::AOM_ATTR_ATOMIC, is_null); -} - -ScriptPromise ComputedAccessibleNode::ensureUpToDate( - ScriptState* script_state) { - AXObjectCache* cache = frame_->GetDocument()->GetOrCreateAXObjectCache(); - Element* element = cache->GetElementFromAXID(ax_id_); - ComputedAccessibleNodePromiseResolver* resolver = - ComputedAccessibleNodePromiseResolver::Create(script_state, *element); - ScriptPromise promise = resolver->Promise(); - resolver->EnsureUpToDate(); - return promise; -} - -bool ComputedAccessibleNode::busy(bool& is_null) const { - return GetBoolAttribute(WebAOMBoolAttribute::AOM_ATTR_BUSY, is_null); -} - -bool ComputedAccessibleNode::disabled(bool& is_null) const { - return GetBoolAttribute(WebAOMBoolAttribute::AOM_ATTR_DISABLED, is_null); -} - -bool ComputedAccessibleNode::expanded(bool& is_null) const { - return GetBoolAttribute(WebAOMBoolAttribute::AOM_ATTR_EXPANDED, is_null); -} - -bool ComputedAccessibleNode::modal(bool& is_null) const { - return GetBoolAttribute(WebAOMBoolAttribute::AOM_ATTR_MODAL, is_null); -} - -bool ComputedAccessibleNode::readOnly(bool& is_null) const { - return GetBoolAttribute(WebAOMBoolAttribute::AOM_ATTR_READONLY, is_null); -} - -bool ComputedAccessibleNode::multiline(bool& is_null) const { - return GetBoolAttribute(blink::WebAOMBoolAttribute::AOM_ATTR_MULTILINE, - is_null); -} - -bool ComputedAccessibleNode::multiselectable(bool& is_null) const { - return GetBoolAttribute(blink::WebAOMBoolAttribute::AOM_ATTR_MULTISELECTABLE, - is_null); -} - -bool ComputedAccessibleNode::required(bool& is_null) const { - return GetBoolAttribute(blink::WebAOMBoolAttribute::AOM_ATTR_REQUIRED, - is_null); -} - -bool ComputedAccessibleNode::selected(bool& is_null) const { - return GetBoolAttribute(blink::WebAOMBoolAttribute::AOM_ATTR_SELECTED, - is_null); -} - -const String ComputedAccessibleNode::autocomplete() const { - return GetStringAttribute(WebAOMStringAttribute::AOM_ATTR_AUTOCOMPLETE); -} - -const String ComputedAccessibleNode::checked() const { - WebString out; - if (tree_->GetCheckedStateForAXNode(ax_id_, &out)) { - return out; - } - return String(); -} - -const String ComputedAccessibleNode::keyShortcuts() const { - return GetStringAttribute(WebAOMStringAttribute::AOM_ATTR_KEY_SHORTCUTS); -} -const String ComputedAccessibleNode::name() const { - return GetStringAttribute(WebAOMStringAttribute::AOM_ATTR_NAME); -} -const String ComputedAccessibleNode::placeholder() const { - return GetStringAttribute(WebAOMStringAttribute::AOM_ATTR_PLACEHOLDER); -} - -const String ComputedAccessibleNode::role() const { - WebString out; - if (tree_->GetRoleForAXNode(ax_id_, &out)) { - return out; - } - return String(); -} - -const String ComputedAccessibleNode::roleDescription() const { - return GetStringAttribute(WebAOMStringAttribute::AOM_ATTR_ROLE_DESCRIPTION); -} - -const String ComputedAccessibleNode::valueText() const { - return GetStringAttribute(WebAOMStringAttribute::AOM_ATTR_VALUE_TEXT); -} - -int32_t ComputedAccessibleNode::colCount(bool& is_null) const { - return GetIntAttribute(WebAOMIntAttribute::AOM_ATTR_COLUMN_COUNT, is_null); -} - -int32_t ComputedAccessibleNode::colIndex(bool& is_null) const { - return GetIntAttribute(WebAOMIntAttribute::AOM_ATTR_COLUMN_INDEX, is_null); -} - -int32_t ComputedAccessibleNode::colSpan(bool& is_null) const { - return GetIntAttribute(WebAOMIntAttribute::AOM_ATTR_COLUMN_SPAN, is_null); -} - -int32_t ComputedAccessibleNode::level(bool& is_null) const { - return GetIntAttribute(WebAOMIntAttribute::AOM_ATTR_HIERARCHICAL_LEVEL, - is_null); -} - -int32_t ComputedAccessibleNode::posInSet(bool& is_null) const { - return GetIntAttribute(WebAOMIntAttribute::AOM_ATTR_POS_IN_SET, is_null); -} - -int32_t ComputedAccessibleNode::rowCount(bool& is_null) const { - return GetIntAttribute(WebAOMIntAttribute::AOM_ATTR_ROW_COUNT, is_null); -} - -int32_t ComputedAccessibleNode::rowIndex(bool& is_null) const { - return GetIntAttribute(WebAOMIntAttribute::AOM_ATTR_ROW_INDEX, is_null); -} - -int32_t ComputedAccessibleNode::rowSpan(bool& is_null) const { - return GetIntAttribute(WebAOMIntAttribute::AOM_ATTR_ROW_SPAN, is_null); -} - -int32_t ComputedAccessibleNode::setSize(bool& is_null) const { - return GetIntAttribute(WebAOMIntAttribute::AOM_ATTR_SET_SIZE, is_null); -} - -float ComputedAccessibleNode::valueMax(bool& is_null) const { - return GetFloatAttribute(WebAOMFloatAttribute::AOM_ATTR_VALUE_MAX, is_null); -} - -float ComputedAccessibleNode::valueMin(bool& is_null) const { - return GetFloatAttribute(WebAOMFloatAttribute::AOM_ATTR_VALUE_MIN, is_null); -} - -float ComputedAccessibleNode::valueNow(bool& is_null) const { - return GetFloatAttribute(WebAOMFloatAttribute::AOM_ATTR_VALUE_NOW, is_null); -} - -ComputedAccessibleNode* ComputedAccessibleNode::parent() const { - int32_t parent_ax_id; - if (!tree_->GetParentIdForAXNode(ax_id_, &parent_ax_id)) { - return nullptr; - } - return frame_->GetOrCreateComputedAccessibleNode(parent_ax_id, tree_); -} - -ComputedAccessibleNode* ComputedAccessibleNode::firstChild() const { - int32_t child_ax_id; - if (!tree_->GetFirstChildIdForAXNode(ax_id_, &child_ax_id)) { - return nullptr; - } - return frame_->GetOrCreateComputedAccessibleNode(child_ax_id, tree_); -} - -ComputedAccessibleNode* ComputedAccessibleNode::lastChild() const { - int32_t child_ax_id; - if (!tree_->GetLastChildIdForAXNode(ax_id_, &child_ax_id)) { - return nullptr; - } - return frame_->GetOrCreateComputedAccessibleNode(child_ax_id, tree_); -} - -ComputedAccessibleNode* ComputedAccessibleNode::previousSibling() const { - int32_t sibling_ax_id; - if (!tree_->GetPreviousSiblingIdForAXNode(ax_id_, &sibling_ax_id)) { - return nullptr; - } - return frame_->GetOrCreateComputedAccessibleNode(sibling_ax_id, tree_); -} - -ComputedAccessibleNode* ComputedAccessibleNode::nextSibling() const { - int32_t sibling_ax_id; - if (!tree_->GetNextSiblingIdForAXNode(ax_id_, &sibling_ax_id)) { - return nullptr; - } - return frame_->GetOrCreateComputedAccessibleNode(sibling_ax_id, tree_); -} - -bool ComputedAccessibleNode::GetBoolAttribute(WebAOMBoolAttribute attr, - bool& is_null) const { - bool out; - is_null = true; - if (tree_->GetBoolAttributeForAXNode(ax_id_, attr, &out)) { - is_null = false; - } - return out; -} - -float ComputedAccessibleNode::GetFloatAttribute(WebAOMFloatAttribute attr, - bool& is_null) const { - float out; - is_null = true; - if (tree_->GetFloatAttributeForAXNode(ax_id_, attr, &out)) { - is_null = false; - } - return out; -} - -int32_t ComputedAccessibleNode::GetIntAttribute(WebAOMIntAttribute attr, - bool& is_null) const { - int32_t out = 0; - is_null = true; - if (tree_->GetIntAttributeForAXNode(ax_id_, attr, &out)) { - is_null = false; - } - return out; -} - -const String ComputedAccessibleNode::GetStringAttribute( - WebAOMStringAttribute attr) const { - WebString out; - if (tree_->GetStringAttributeForAXNode(ax_id_, attr, &out)) { - return out; - } - return String(); -} - -void ComputedAccessibleNode::Trace(Visitor* visitor) { - visitor->Trace(frame_); - ScriptWrappable::Trace(visitor); -} - -} // namespace blink |