/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "HeadlessScreenHelper.h"

#include "prenv.h"

#include "mozilla/RefPtr.h"

#include "nsTArray.h"

namespace mozilla {

namespace widget {

/* static */ LayoutDeviceIntRect

HeadlessScreenHelper::GetScreenRect()

{

  char *ev = PR_GetEnv("MOZ_HEADLESS_WIDTH");

  int width = 1366;

  if (ev) {

    width = atoi(ev);

  }

  ev = PR_GetEnv("MOZ_HEADLESS_HEIGHT");

  int height = 768;

  if (ev) {

    height = atoi(ev);

  }

  return LayoutDeviceIntRect(0, 0, width, height);

}

HeadlessScreenHelper::HeadlessScreenHelper()

{

  AutoTArray<RefPtr<Screen>, 1> screenList;

  LayoutDeviceIntRect rect = GetScreenRect();

  RefPtr<Screen> ret = new Screen(rect, rect,

                                  24, 24,

                                  DesktopToLayoutDeviceScale(),

                                  CSSToLayoutDeviceScale(),

                                  96.0f);

  screenList.AppendElement(ret.forget());

  ScreenManager& screenManager = ScreenManager::GetSingleton();

  screenManager.Refresh(std::move(screenList));

}

} // namespace widget

} // namespace mozilla