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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_AURA_ACCESSIBILITY_AUTOMATION_MANAGER_AURA_H_
#define CHROME_BROWSER_UI_AURA_ACCESSIBILITY_AUTOMATION_MANAGER_AURA_H_
#include <stdint.h>
#include <memory>
#include <string>
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/no_destructor.h"
#include "base/scoped_observation.h"
#include "extensions/browser/api/automation_internal/automation_event_router.h"
#include "ui/accessibility/ax_tree_id.h"
#include "ui/views/accessibility/tree/views_ax_manager.h"
namespace extensions {
class AutomationEventRouterInterface;
} // namespace extensions
// Manages a tree of automation nodes backed by aura constructs.
class AutomationManagerAura : public views::ViewsAXManager,
public extensions::AutomationEventRouterObserver {
public:
AutomationManagerAura(const AutomationManagerAura&) = delete;
AutomationManagerAura& operator=(const AutomationManagerAura&) = delete;
// Get the single instance of this class.
static AutomationManagerAura* GetInstance();
// views::ViewsAXManager:
void Enable() override;
void Disable() override;
// Handle an event fired upon the root view.
// TODO(https://crbug.com/40672441): Investigate whether this can be
// refactored away.
void HandleEvent(ax::mojom::Event event_type, bool from_user);
// AutomationEventRouterObserver:
void AllAutomationExtensionsGone() override;
void ExtensionListenerAdded() override;
void set_automation_event_router_interface(
extensions::AutomationEventRouterInterface* router) {
automation_event_router_interface_ = router;
}
private:
friend class base::NoDestructor<AutomationManagerAura>;
FRIEND_TEST_ALL_PREFIXES(AutomationManagerAuraBrowserTest, ScrollView);
FRIEND_TEST_ALL_PREFIXES(AutomationManagerAuraBrowserTest, TableView);
FRIEND_TEST_ALL_PREFIXES(AutomationManagerAuraBrowserTest, WebAppearsOnce);
FRIEND_TEST_ALL_PREFIXES(AutomationManagerAuraBrowserTest, EventFromAction);
FRIEND_TEST_ALL_PREFIXES(AutomationManagerAuraBrowserTest,
SerializeOnDataChanged);
FRIEND_TEST_ALL_PREFIXES(AutomationManagerAuraBrowserTest,
GetFocusOnChildTree);
FRIEND_TEST_ALL_PREFIXES(AutomationManagerAuraBrowserTest,
TransientFocusChangesAreSuppressed);
AutomationManagerAura();
~AutomationManagerAura() override;
void DispatchAccessibilityEvents(const ui::AXTreeID& tree_id,
std::vector<ui::AXTreeUpdate> tree_updates,
const gfx::Point& mouse_location,
std::vector<ui::AXEvent> events) override;
// The handler for AXEvents (e.g. the extensions subsystem in production, or
// a fake for tests).
raw_ptr<extensions::AutomationEventRouterInterface>
automation_event_router_interface_ = nullptr;
base::ScopedObservation<extensions::AutomationEventRouter,
extensions::AutomationEventRouterObserver>
automation_event_router_observer_{this};
};
#endif // CHROME_BROWSER_UI_AURA_ACCESSIBILITY_AUTOMATION_MANAGER_AURA_H_
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