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// Copyright 2022 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_ASH_ACCESSIBILITY_SERVICE_AUTOMATION_CLIENT_IMPL_H_
#define CHROME_BROWSER_ASH_ACCESSIBILITY_SERVICE_AUTOMATION_CLIENT_IMPL_H_
#include "extensions/browser/api/automation_internal/automation_event_router_interface.h"
#include "mojo/public/cpp/bindings/pending_associated_remote.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "mojo/public/cpp/bindings/remote_set.h"
#include "services/accessibility/public/mojom/automation.mojom.h"
#include "services/accessibility/public/mojom/automation_client.mojom.h"
#include "ui/accessibility/ax_location_and_scroll_updates.h"
namespace ash {
// The AutomationClientImpl forwards accessibility events between the service
// and the browser process AutomationEventRouter.
class AutomationClientImpl : public ax::mojom::AutomationClient,
public extensions::AutomationEventRouterInterface {
public:
AutomationClientImpl();
AutomationClientImpl(const AutomationClientImpl&) = delete;
AutomationClientImpl& operator=(const AutomationClientImpl&) = delete;
~AutomationClientImpl() override;
void BindAutomation(
mojo::PendingAssociatedRemote<ax::mojom::Automation> automation);
void BindAutomationClient(
mojo::PendingReceiver<ax::mojom::AutomationClient> automation_client);
// ax::mojom::AutomationClient:
void Disable() override;
private:
friend class AccessibilityServiceClientTest;
// The following are called by the Accessibility service, passing information
// back to the OS.
// ax::mojom::AutomationClient:
void Enable(EnableCallback callback) override;
void PerformAction(const ui::AXActionData& data) override;
void EnableChildTree(const ui::AXTreeID& tree_id) override;
// Receive accessibility information from AutomationEventRouter in ash and
// forward it along to the service.
// extensions::AutomationEventRouterInterface:
void DispatchAccessibilityEvents(
const ui::AXTreeID& tree_id,
const std::vector<ui::AXTreeUpdate>& updates,
const gfx::Point& mouse_location,
const std::vector<ui::AXEvent>& events) override;
void DispatchAccessibilityLocationChange(
const ui::AXTreeID& tree_id,
const ui::AXLocationChange& details) override;
void DispatchAccessibilityScrollChange(
const ui::AXTreeID& tree_id,
const ui::AXScrollChange& details) override;
void DispatchTreeDestroyedEvent(ui::AXTreeID tree_id) override;
void DispatchActionResult(const ui::AXActionData& data,
bool result,
content::BrowserContext* browser_context) override;
void DispatchGetTextLocationDataResult(
const ui::AXActionData& data,
const std::optional<gfx::Rect>& rect) override;
mojo::AssociatedRemoteSet<ax::mojom::Automation> automation_remotes_;
// This class is the AutomationClient, receiving AutomationClient calls
// from the AccessibilityService.
mojo::ReceiverSet<ax::mojom::AutomationClient> automation_client_receivers_;
bool bound_ = false;
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_ACCESSIBILITY_SERVICE_AUTOMATION_CLIENT_IMPL_H_
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