// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ash/wm/cursor_manager_chromeos.h"

#include <utility>

#include "ash/shell.h"
#include "base/logging.h"
#include "ui/aura/env.h"
#include "ui/events/event.h"
#include "ui/keyboard/keyboard_util.h"
#include "ui/wm/core/cursor_manager.h"
#include "ui/wm/core/native_cursor_manager.h"

namespace ash {

CursorManager::CursorManager(
    std::unique_ptr<::wm::NativeCursorManager> delegate)
    : ::wm::CursorManager(std::move(delegate)) {}

CursorManager::~CursorManager() = default;

bool CursorManager::ShouldHideCursorOnKeyEvent(
    const ui::KeyEvent& event) const {
  if (event.type() != ui::ET_KEY_PRESSED)
    return false;

  // Pressing one key repeatedly will not hide the cursor.
  // To deal with the issue 855163 (http://crbug.com/855163).
  if (event.is_repeat())
    return false;

  // Do not hide cursor when clicking the key with mouse button pressed.
  if (Shell::Get()->aura_env()->IsMouseButtonDown())
    return false;

  // Clicking on a key when the accessibility virtual keyboard is enabled should
  // not hide the cursor.
  if (keyboard::GetAccessibilityKeyboardEnabled())
    return false;
  // All alt and control key commands are ignored.
  if (event.IsAltDown() || event.IsControlDown())
    return false;

  ui::KeyboardCode code = event.key_code();
  if (code >= ui::VKEY_F1 && code <= ui::VKEY_F24)
    return false;
  if (code >= ui::VKEY_BROWSER_BACK && code <= ui::VKEY_MEDIA_LAUNCH_APP2)
    return false;
  switch (code) {
    // Modifiers.
    case ui::VKEY_SHIFT:
    case ui::VKEY_CONTROL:
    case ui::VKEY_MENU:
    // Search key == VKEY_LWIN.
    case ui::VKEY_LWIN:
    case ui::VKEY_WLAN:
    case ui::VKEY_POWER:
    case ui::VKEY_BRIGHTNESS_DOWN:
    case ui::VKEY_BRIGHTNESS_UP:
    case ui::VKEY_KBD_BRIGHTNESS_UP:
    case ui::VKEY_KBD_BRIGHTNESS_DOWN:
      return false;
    default:
      return true;
  }
}
}  // namespace ash