components/html_viewer/ax_provider_impl.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_HTML_VIEWER_AX_PROVIDER_IMPL_H_
   6 #define COMPONENTS_HTML_VIEWER_AX_PROVIDER_IMPL_H_
   7
   8 #include "third_party/mojo/src/mojo/public/cpp/bindings/interface_impl.h"
   9 #include "third_party/mojo_services/src/accessibility/public/interfaces/accessibility.mojom.h"
  10
  11 namespace blink {
  12 class WebAXObject;
  13 class WebView;
  14 }  // namespace blink
  15
  16 namespace html_viewer {
  17
  18 // Caller must ensure that |web_view| outlives AxProviderImpl.
  19 class AxProviderImpl : public mojo::InterfaceImpl<mojo::AxProvider> {
  20  public:
  21   explicit AxProviderImpl(blink::WebView* web_view);
  22   void GetTree(const mojo::Callback<void(mojo::Array<mojo::AxNodePtr> nodes)>&
  23                    callback) override;
  24
  25  private:
  26   int Populate(const blink::WebAXObject& ax_object,
  27                int parent_id,
  28                int next_sibling_id,
  29                mojo::Array<mojo::AxNodePtr>* result);
  30   mojo::AxNodePtr ConvertAxNode(const blink::WebAXObject& ax_object,
  31                                 int parent_id,
  32                                 int next_sibling_id);
  33
  34   blink::WebView* web_view_;
  35 };
  36
  37 }  // namespace html_viewer
  38
  39 #endif  // COMPONENTS_HTML_VIEWER_AX_PROVIDER_IMPL_H_