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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_ACCESSIBILITY_AX_EVENT_H_
#define UI_ACCESSIBILITY_AX_EVENT_H_
#include <string>
#include <vector>
#include "ui/accessibility/ax_base_export.h"
#include "ui/accessibility/ax_enums.mojom.h"
#include "ui/accessibility/ax_event_intent.h"
#include "ui/accessibility/ax_node_data.h"
namespace ui {
struct AX_BASE_EXPORT AXEvent final {
AXEvent();
AXEvent(AXNodeData::AXID id,
ax::mojom::Event event_type,
ax::mojom::EventFrom event_from = ax::mojom::EventFrom::kNone,
ax::mojom::Action event_from_action = ax::mojom::Action::kNone,
const std::vector<AXEventIntent>& event_intents = {},
int action_request_id = -1);
~AXEvent();
AXEvent& operator=(AXEvent&& event);
AXEvent(AXEvent&& other);
// TODO(accessibility): try to = delete these or finish auditing all sites.
AXEvent(const AXEvent& event);
AXEvent& operator=(const AXEvent& event);
// The id of the node in the AXTree that the event should be fired on.
AXNodeData::AXID id = AXNodeData::kInvalidAXID;
// The type of event.
ax::mojom::Event event_type = ax::mojom::Event::kNone;
// The source of the event.
ax::mojom::EventFrom event_from = ax::mojom::EventFrom::kNone;
// The accessibility action that caused the event. The difference between
// event_from_action and event_intents is that event_from_action refers to
// an action from an accessibility API call, while event_intents refers to
// user actions.
ax::mojom::Action event_from_action = ax::mojom::Action::kNone;
// Describes what caused an accessibility event to be raised. For example, in
// the case of a selection changed event, the selection could have been
// extended to the beginning of the previous word, or it could have been moved
// to the end of the next line. Note that there could be multiple causes that
// resulted in an event.
std::vector<AXEventIntent> event_intents;
// The action request ID that was passed in if this event was fired in
// direct response to a ax::mojom::Action.
int action_request_id = -1;
// Returns a string representation of this data, for debugging.
std::string ToString() const;
};
} // namespace ui
#endif // UI_ACCESSIBILITY_AX_EVENT_H_
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