| // 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 "ax_active_popup.h" |
| |
| #include "base/logging.h" |
| |
| namespace ui { |
| // Represents a global storage for the view accessibility for an |
| // autofill popup. It is a singleton wrapper around the ax unique id of the |
| // autofill popup. This singleton is used for communicating the live status of |
| // the autofill popup between web contents and views. |
| // The assumption here is that only one autofill popup can exist at a time. |
| static std::optional<int32_t> g_active_popup_ax_unique_id; |
| |
| std::optional<int32_t> GetActivePopupAxUniqueId() { |
| return g_active_popup_ax_unique_id; |
| } |
| |
| void SetActivePopupAxUniqueId(std::optional<int32_t> ax_unique_id) { |
| // When an instance of autofill popup hides, the caller of popup hide should |
| // make sure g_active_popup_ax_unique_id is cleared. The assumption is that |
| // there can only be one active autofill popup existing at a time. If on |
| // popup showing, we encounter g_active_popup_ax_unique_id is already set, |
| // this would indicate two autofill popups are showing at the same time or |
| // previous on popup hide call did not clear the variable, so we should fail |
| // DCHECK here. |
| BASE_DCHECK(!GetActivePopupAxUniqueId()); |
| |
| g_active_popup_ax_unique_id = ax_unique_id; |
| } |
| |
| void ClearActivePopupAxUniqueId() { |
| g_active_popup_ax_unique_id = std::nullopt; |
| } |
| |
| } // namespace ui |