hal/fallback/FallbackScreenConfiguration.h
author ffxbld <release@mozilla.com>
Thu, 04 Jan 2018 10:19:07 -0800
changeset 435416 f1854ea8535e44f48517ab6d03295771eb47df07
parent 424382 df3915693fa3bec56bacc17a4f2588f99ab635b4
child 453341 0d6cff1374dc6f0863b73eabb899d4fcf918ab26
permissions -rw-r--r--
Automatic version bump. CLOSED TREE NO BUG a=release

/* 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/. */

#ifndef mozilla_fallback_FallbackScreenConfiguration_h
#define mozilla_fallback_FallbackScreenConfiguration_h

#include "Hal.h"
#include "mozilla/dom/ScreenOrientation.h"
#include "nsIScreenManager.h"
#include "nsServiceManagerUtils.h"

namespace mozilla {
namespace fallback {

inline void
GetCurrentScreenConfiguration(hal::ScreenConfiguration* aScreenConfiguration)
{
  nsresult rv;
  nsCOMPtr<nsIScreenManager> screenMgr =
    do_GetService("@mozilla.org/gfx/screenmanager;1", &rv);
  if (NS_FAILED(rv)) {
    NS_ERROR("Can't find nsIScreenManager!");
    return;
  }

  nsIntRect rect;
  int32_t colorDepth, pixelDepth;
  dom::ScreenOrientationInternal orientation;
  nsCOMPtr<nsIScreen> screen;

  screenMgr->GetPrimaryScreen(getter_AddRefs(screen));
  screen->GetRect(&rect.x, &rect.y, &rect.width, &rect.height);
  screen->GetColorDepth(&colorDepth);
  screen->GetPixelDepth(&pixelDepth);
  orientation = rect.width >= rect.height
                ? dom::eScreenOrientation_LandscapePrimary
                : dom::eScreenOrientation_PortraitPrimary;

  *aScreenConfiguration =
      hal::ScreenConfiguration(rect, orientation, 0, colorDepth, pixelDepth);
}

}
}

#endif // mozilla_fallback_FallbackScreenConfiguration_h