gecko-dev/widget/qt/mozqorientationsensorfilter...

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=4 et sw=4 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 "mozqorientationsensorfilter.h"
#ifdef MOZ_ENABLE_MEEGOTOUCH
#include <MApplication>
#include <MWindow>
#include <MSceneManager>
#endif
#include "nsXULAppAPI.h"
using namespace QtMobility;
int MozQOrientationSensorFilter::mWindowRotationAngle = 0;
QTransform MozQOrientationSensorFilter::mWindowRotationTransform;
bool
MozQOrientationSensorFilter::filter(QOrientationReading* reading)
{
switch (reading->orientation()) {
//The Top edge of the device is pointing up.
case QOrientationReading::TopDown:
mWindowRotationAngle = 90;
break;
//The Top edge of the device is pointing down.
case QOrientationReading::TopUp:
mWindowRotationAngle = 270;
break;
//The Left edge of the device is pointing up.
case QOrientationReading::LeftUp:
mWindowRotationAngle = 180;
break;
//The Right edge of the device is pointing up.
case QOrientationReading::RightUp:
mWindowRotationAngle = 0;
break;
//The Face of the device is pointing up.
case QOrientationReading::FaceUp:
//The Face of the device is pointing down.
case QOrientationReading::FaceDown:
//The orientation is unknown.
case QOrientationReading::Undefined:
default:
return true;
}
mWindowRotationTransform = QTransform();
mWindowRotationTransform.rotate(mWindowRotationAngle);
#ifdef MOZ_ENABLE_MEEGOTOUCH
if (XRE_GetProcessType() == GeckoProcessType_Default) {
MWindow* window = MApplication::activeWindow();
if (window && window->sceneManager()) {
window->sceneManager()->
setOrientationAngle((M::OrientationAngle)mWindowRotationAngle,
MSceneManager::ImmediateTransition);
}
}
#else
Q_EMIT orientationChanged();
#endif
return true; // don't store the reading in the sensor
}
int
MozQOrientationSensorFilter::GetWindowRotationAngle()
{
#ifdef MOZ_ENABLE_MEEGOTOUCH
if (XRE_GetProcessType() == GeckoProcessType_Default) {
MWindow* window = MApplication::activeWindow();
if (window) {
M::OrientationAngle angle = window->orientationAngle();
if (mWindowRotationAngle != angle) {
mWindowRotationAngle = angle;
mWindowRotationTransform = QTransform();
mWindowRotationTransform.rotate(mWindowRotationAngle);
}
}
}
#endif
return mWindowRotationAngle;
}
QTransform&
MozQOrientationSensorFilter::GetRotationTransform()
{
GetWindowRotationAngle();
return mWindowRotationTransform;
}