gecko/widget/qt/nsScreenQt.cpp

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2012-05-21 04:12:37 -07:00
/* 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 <qcolor.h>
#include <qcolormap.h>
#include <qrect.h>
#include <qdesktopwidget.h>
#include <qapplication.h>
#include <QTransform>
#include "nsScreenQt.h"
#include "nsXULAppAPI.h"
#ifdef MOZ_ENABLE_QTMOBILITY
#include "mozqorientationsensorfilter.h"
#endif
#ifdef MOZ_ENABLE_QMSYSTEM2
#include <qmdisplaystate.h>
using namespace mozilla;
const int DISPLAY_BLANK_TIMEOUT = 10800; /*3 * 60 * 60 seconds*/
const int DISPLAY_DIM_TIMEOUT = 10620; /*3 * 59 * 60 seconds*/
#endif
nsScreenQt::nsScreenQt(int aScreen)
: mScreen(aScreen)
#ifdef MOZ_ENABLE_QMSYSTEM2
, mDisplayState(nsnull)
#endif
{
// nothing else to do. I guess we could cache a bunch of information
// here, but we want to ask the device at runtime in case anything
// has changed.
}
nsScreenQt::~nsScreenQt()
{
#ifdef MOZ_ENABLE_QMSYSTEM2
delete mDisplayState;
mDisplayState = nsnull;
#endif
}
NS_IMETHODIMP
nsScreenQt::GetRect(PRInt32 *outLeft,PRInt32 *outTop,
PRInt32 *outWidth,PRInt32 *outHeight)
{
QRect r = QApplication::desktop()->screenGeometry(mScreen);
#ifdef MOZ_ENABLE_QTMOBILITY
r = MozQOrientationSensorFilter::GetRotationTransform().mapRect(r);
// just rotating gives us weird negative coordinates, but we want to return
// sensible logical coordinates
r.moveTo(0, 0);
#endif
*outTop = r.x();
*outLeft = r.y();
*outWidth = r.width();
*outHeight = r.height();
return NS_OK;
}
NS_IMETHODIMP
nsScreenQt::GetAvailRect(PRInt32 *outLeft,PRInt32 *outTop,
PRInt32 *outWidth,PRInt32 *outHeight)
{
QRect r = QApplication::desktop()->screenGeometry(mScreen);
#ifdef MOZ_ENABLE_QTMOBILITY
r = MozQOrientationSensorFilter::GetRotationTransform().mapRect(r);
#endif
*outTop = r.x();
*outLeft = r.y();
*outWidth = r.width();
*outHeight = r.height();
return NS_OK;
}
NS_IMETHODIMP
nsScreenQt::GetPixelDepth(PRInt32 *aPixelDepth)
{
// #############
*aPixelDepth = (PRInt32)QColormap::instance().depth();
return NS_OK;
}
NS_IMETHODIMP
nsScreenQt::GetColorDepth(PRInt32 *aColorDepth)
{
// ###############
return GetPixelDepth(aColorDepth);
}
#ifdef MOZ_ENABLE_QMSYSTEM2
void
nsScreenQt::ApplyMinimumBrightness(PRUint32 aType)
{
// resets all we did before,
// 1) there is no interface to get default values
// 2) user might have changed system settings while fennec is running
// there is no notification about that.
delete mDisplayState;
mDisplayState = nsnull;
if( aType == BRIGHTNESS_FULL) {
mDisplayState = new MeeGo::QmDisplayState();
// no way to keep display from blanking than setting a huge timeout
// parameter is seconds. setting timeout to huge time this should work for 99.9% of our usecases
mDisplayState->setDisplayBlankTimeout( DISPLAY_BLANK_TIMEOUT /*in seconds*/ );
mDisplayState->setDisplayDimTimeout( DISPLAY_DIM_TIMEOUT /*in seconds*/ );
mDisplayState->setDisplayBrightnessValue( mDisplayState->getMaxDisplayBrightnessValue() );
mDisplayState->set(MeeGo::QmDisplayState::On);
}
}
#endif