| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| #include "third_party/blink/renderer/modules/accessibility/ax_svg_root.h" |
| |
| #include "third_party/blink/renderer/modules/accessibility/ax_object_cache_impl.h" |
| |
| namespace blink { |
| |
| AXSVGRoot::AXSVGRoot(LayoutObject* layout_object, |
| AXObjectCacheImpl& ax_object_cache) |
| : AXLayoutObject(layout_object, ax_object_cache) {} |
| |
| AXSVGRoot::~AXSVGRoot() = default; |
| |
| void AXSVGRoot::SetParent(AXObject* parent) { |
| // Only update the parent to another objcet if it wasn't already set to |
| // something. Multiple elements in an HTML document can reference |
| // the same remote SVG document, and in that case the parent should just |
| // stay with the first one. |
| if (!parent_ || !parent) |
| parent_ = parent; |
| } |
| |
| AXObject* AXSVGRoot::ComputeParent() const { |
| DCHECK(!IsDetached()); |
| // If a parent was set because this is a remote SVG resource, use that |
| // but otherwise, we should rely on the standard layout tree for the parent. |
| if (parent_) |
| return parent_; |
| |
| return AXLayoutObject::ComputeParent(); |
| } |
| |
| // SVG AAM 1.0 S8.2: the default role for an SVG root is "group". |
| ax::mojom::Role AXSVGRoot::DetermineAccessibilityRole() { |
| ax::mojom::Role role = AXLayoutObject::DetermineAccessibilityRole(); |
| if (role == ax::mojom::Role::kUnknown) |
| role = ax::mojom::Role::kGroup; |
| return role; |
| } |
| |
| // SVG elements are only ignored if they are a descendant of a leaf or when a |
| // generic element would also be ignored. |
| bool AXSVGRoot::ComputeAccessibilityIsIgnored(IgnoredReasons* reasons) const { |
| if (IsDescendantOfLeafNode()) |
| return AXLayoutObject::ComputeAccessibilityIsIgnored(reasons); |
| |
| return AccessibilityIsIgnoredByDefault(reasons); |
| } |
| |
| } // namespace blink |