| // Copyright 2019 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 "content/renderer/accessibility/ax_action_target_factory.h" |
| |
| #include "content/public/renderer/plugin_ax_tree_source.h" |
| #include "content/renderer/accessibility/blink_ax_action_target.h" |
| #include "third_party/blink/public/web/web_ax_object.h" |
| #include "third_party/blink/public/web/web_document.h" |
| #include "ui/accessibility/null_ax_action_target.h" |
| |
| namespace content { |
| |
| // static |
| std::unique_ptr<ui::AXActionTarget> AXActionTargetFactory::CreateFromNodeId( |
| const blink::WebDocument& document, |
| content::PluginAXTreeSource* plugin_tree_source, |
| ui::AXNode::AXID node_id) { |
| blink::WebAXObject blink_target = |
| blink::WebAXObject::FromWebDocumentByID(document, node_id); |
| if (!blink_target.IsNull()) |
| return std::make_unique<BlinkAXActionTarget>(blink_target); |
| |
| // Plugin tree is not present in only HTML scenario. In case of plugins, |
| // it will be nullptr till the time plugin sets the tree source. |
| if (plugin_tree_source) { |
| const ui::AXNode* plugin_node = plugin_tree_source->GetFromId(node_id); |
| if (plugin_node) |
| return plugin_tree_source->CreateActionTarget(*plugin_node); |
| } |
| return std::make_unique<ui::NullAXActionTarget>(); |
| } |
| |
| } // namespace content |
