gecko-dev/widget/android/GeckoScreenOrientation.h

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1.7 KiB
C++

/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* 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 GeckoScreenOrientation_h
#define GeckoScreenOrientation_h
#include "GeneratedJNINatives.h"
#include "nsAppShell.h"
#include "nsCOMPtr.h"
#include "nsIScreenManager.h"
#include "mozilla/Hal.h"
#include "mozilla/dom/ScreenOrientation.h"
namespace mozilla {
class GeckoScreenOrientation final
: public java::GeckoScreenOrientation::Natives<GeckoScreenOrientation>
{
GeckoScreenOrientation() = delete;
public:
static void
OnOrientationChange(int16_t aOrientation, int16_t aAngle)
{
nsCOMPtr<nsIScreenManager> screenMgr =
do_GetService("@mozilla.org/gfx/screenmanager;1");
nsCOMPtr<nsIScreen> screen;
if (!screenMgr || NS_FAILED(screenMgr->GetPrimaryScreen(
getter_AddRefs(screen))) || !screen) {
return;
}
nsIntRect rect;
int32_t colorDepth, pixelDepth;
if (NS_FAILED(screen->GetRect(&rect.x, &rect.y,
&rect.width, &rect.height)) ||
NS_FAILED(screen->GetColorDepth(&colorDepth)) ||
NS_FAILED(screen->GetPixelDepth(&pixelDepth))) {
return;
}
hal::NotifyScreenConfigurationChange(hal::ScreenConfiguration(
rect, static_cast<dom::ScreenOrientationInternal>(aOrientation),
aAngle, colorDepth, pixelDepth));
}
};
} // namespace mozilla
#endif // GeckoScreenOrientation_h