gecko-dev/hal/fallback/FallbackScreenConfiguration.h

47 строки
1.3 KiB
C++

/* 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 "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;
}
int32_t colorDepth, pixelDepth, x, y, w, h;
ScreenOrientation orientation;
nsCOMPtr<nsIScreen> screen;
screenMgr->GetPrimaryScreen(getter_AddRefs(screen));
screen->GetRect(&x, &y, &w, &h);
screen->GetColorDepth(&colorDepth);
screen->GetPixelDepth(&pixelDepth);
orientation = w >= h
? hal::eScreenOrientation_LandscapePrimary
: hal::eScreenOrientation_PortraitPrimary;
*aScreenConfiguration = hal::ScreenConfiguration(nsIntRect(x, y, w, h),
orientation, 0,
colorDepth, pixelDepth);
}
}
}
#endif // mozilla_fallback_FallbackScreenConfiguration_h