// 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_ARC_INPUT_OVERLAY_UTIL_H_
#define CHROME_BROWSER_ASH_ARC_INPUT_OVERLAY_UTIL_H_

#include <memory>
#include <string>

#include "ash/game_dashboard/game_dashboard_utils.h"
#include "ash/public/cpp/arc_game_controls_flag.h"
#include "chrome/browser/ash/arc/input_overlay/constants.h"
#include "chrome/browser/ash/arc/input_overlay/db/proto/app_data.pb.h"
#include "ui/events/keycodes/dom/dom_code.h"

namespace aura {
class Window;
}  // namespace aura

namespace ui {
class KeyEvent;
}  // namespace ui

namespace views {
class View;
}  // namespace views

namespace arc::input_overlay {

using ash::game_dashboard_utils::IsFlagChanged;
using ash::game_dashboard_utils::IsFlagSet;
using ash::game_dashboard_utils::UpdateFlag;

class Action;
class InputElement;

// Gets the event flags for the modifier domcode. Return ui::DomCode::NONE if
// `code` is not modifier DomCode.
int ModifierDomCodeToEventFlag(ui::DomCode code);
bool IsSameDomCode(ui::DomCode a, ui::DomCode b);
// Convert mouse action strings to enum values.
MouseAction ConvertToMouseActionEnum(const std::string& mouse_action);

// Return the input binding filtered by `binding_option` in `action`.
InputElement* GetInputBindingByBindingOption(Action* action,
                                             BindingOption binding_option);

// Return the current running version of Game controls. If it is not set, it's
// Alpha version. Otherwise, it is AlphaV2+ version.
std::string GetCurrentSystemVersion();

// Reset the focus to `view`.
void ResetFocusTo(views::View* view);

// Return true if `code` is not allowed to bind.
bool IsReservedDomCode(ui::DomCode code);

// Returns true if `key_event` has event flags from `Ctrl`, `Shift`, `Alt` or
// `Search`.
// Because "modifier key + regular key" may conflict with system shortcut keys,
// it is not supported currently in Game Controls. This is called when only key
// pressed event is received. Because if key `G` is pressed first and then press
// `Ctrl` key, `Action` binded by key `G` has already injected touch event(s)
// before `Ctrl` key is pressed. Then releasing key `G` while `Ctrl` key is
// still pressed, `Action` binded by key `G` should also be released.
bool ContainShortcutEventFlags(const ui::KeyEvent* key_event);

// Turn `flag` on or off for `window` property `ash::kArcGameControlsFlagsKey`.
void UpdateFlagAndProperty(aura::Window* window,
                           ash::ArcGameControlsFlag flag,
                           bool turn_on);

}  // namespace arc::input_overlay

#endif  // CHROME_BROWSER_ASH_ARC_INPUT_OVERLAY_UTIL_H_