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ash / public / cpp / select_to_speak_event_handler_delegate.h [blame]
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_PUBLIC_CPP_SELECT_TO_SPEAK_EVENT_HANDLER_DELEGATE_H_
#define ASH_PUBLIC_CPP_SELECT_TO_SPEAK_EVENT_HANDLER_DELEGATE_H_
#include <set>
#include "ash/public/cpp/ash_public_export.h"
#include "ui/events/keycodes/keyboard_codes_posix.h"
namespace ui {
class MouseEvent;
} // namespace ui
namespace ash {
// Allows a client to receive keyboard and mouse events from Chrome OS
// in order to implement input handling in Select to Speak.
// Chrome OS is the source of truth of keyboard and mouse state; Select
// to Speak should defer to state sent by these methods in case of dropped
// events.
class ASH_PUBLIC_EXPORT SelectToSpeakEventHandlerDelegate {
public:
// Sends the currently pressed keys to the Select-to-Speak extension in
// Chrome.
virtual void DispatchKeysCurrentlyDown(
const std::set<ui::KeyboardCode>& pressed_keys) = 0;
// Sends a MouseEvent to the Select-to-Speak extension in Chrome.
virtual void DispatchMouseEvent(const ui::MouseEvent& event) = 0;
};
} // namespace ash
#endif // ASH_PUBLIC_CPP_SELECT_TO_SPEAK_EVENT_HANDLER_DELEGATE_H_