| // Copyright 2020 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/accessibility/ax_action_handler_base.h" |
| |
| #include "ui/accessibility/ax_action_handler_registry.h" |
| |
| namespace ui { |
| |
| bool AXActionHandlerBase::RequiresPerformActionPointInPixels() const { |
| return false; |
| } |
| |
| AXActionHandlerBase::AXActionHandlerBase() |
| : AXActionHandlerBase(ui::AXTreeIDUnknown()) {} |
| |
| AXActionHandlerBase::AXActionHandlerBase(const AXTreeID& ax_tree_id) |
| : tree_id_(ax_tree_id) {} |
| |
| AXActionHandlerBase::~AXActionHandlerBase() { |
| AXActionHandlerRegistry::GetInstance()->RemoveAXTreeID(tree_id_); |
| } |
| |
| void AXActionHandlerBase::SetAXTreeID(AXTreeID new_ax_tree_id) { |
| DCHECK_NE(new_ax_tree_id, ui::AXTreeIDUnknown()); |
| AXActionHandlerRegistry::GetInstance()->RemoveAXTreeID(tree_id_); |
| tree_id_ = new_ax_tree_id; |
| AXActionHandlerRegistry::GetInstance()->SetAXTreeID(tree_id_, this); |
| } |
| |
| } // namespace ui |