ax_tree_id_mojom_traits.h 1.2 KB

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  1. // Copyright 2018 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. #ifndef UI_ACCESSIBILITY_MOJOM_AX_TREE_ID_MOJOM_TRAITS_H_
  5. #define UI_ACCESSIBILITY_MOJOM_AX_TREE_ID_MOJOM_TRAITS_H_
  6. #include "mojo/public/cpp/base/unguessable_token_mojom_traits.h"
  7. #include "ui/accessibility/ax_tree_id.h"
  8. #include "ui/accessibility/mojom/ax_tree_id.mojom-shared.h"
  9. namespace mojo {
  10. template <>
  11. struct UnionTraits<ax::mojom::AXTreeIDDataView, ui::AXTreeID> {
  12. static ax::mojom::AXTreeIDDataView::Tag GetTag(const ui::AXTreeID& p) {
  13. switch (p.type()) {
  14. case ax::mojom::AXTreeIDType::kUnknown:
  15. return ax::mojom::AXTreeIDDataView::Tag::kUnknown;
  16. case ax::mojom::AXTreeIDType::kToken:
  17. return ax::mojom::AXTreeIDDataView::Tag::kToken;
  18. }
  19. }
  20. static uint8_t unknown(const ui::AXTreeID& p) { return 0; }
  21. static const base::UnguessableToken token(const ui::AXTreeID& p) {
  22. DCHECK_EQ(p.type(), ax::mojom::AXTreeIDType::kToken);
  23. return *p.token();
  24. }
  25. static bool Read(ax::mojom::AXTreeIDDataView data, ui::AXTreeID* out);
  26. };
  27. } // namespace mojo
  28. #endif // UI_ACCESSIBILITY_MOJOM_AX_TREE_ID_MOJOM_TRAITS_H_