git.maemo.org Git - jspeed/blob - src/orientation.cpp

   1 /*
   2  * This file is part of jSpeed.
   3  *
   4  * jSpeed is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * jSpeed is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with jSpeed.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 #include "orientation.h"
  20
  21 Orientation::Orientation(QMainWindow* window): QtMobility::QOrientationSensor(window),
  22 current_(QtMobility::QOrientationReading::TopUp), orientations_(0), window_(window),
  23 type_(TYPE_AUTO)
  24 {
  25     connect(this, SIGNAL(readingChanged()), this, SLOT(onReadingChanged()));
  26 }
  27
  28 void Orientation::setSupportedOrientations(int orientations)
  29 {
  30     orientations_ = orientations;
  31 }
  32
  33 void Orientation::setOrientationType(OrientationType type)
  34 {
  35     type_ = type;
  36
  37     handleManualOrientation();
  38 }
  39
  40 void Orientation::update()
  41 {
  42     if(type_ != TYPE_AUTO)
  43     {
  44         handleManualOrientation();
  45         return;
  46     }
  47
  48     using QtMobility::QOrientationReading;
  49
  50     OrientationName orientation = LANDSCAPE;
  51
  52     QOrientationReading::Orientation current = reading()->orientation();
  53
  54     switch(current)
  55     {
  56     case QOrientationReading::LeftUp:
  57         orientation = PORTRAIT;
  58         break;
  59     case QOrientationReading::FaceUp:
  60         if(current_ == QOrientationReading::LeftUp)
  61         {
  62             orientation = PORTRAIT;
  63         }
  64         else
  65         {
  66             orientation = LANDSCAPE;
  67         }
  68         break;
  69     default:
  70         orientation = LANDSCAPE;
  71         break;
  72     }
  73
  74     current_ = current;
  75
  76     if(orientations_ & orientation)
  77     {
  78         switch(orientation)
  79         {
  80         case LANDSCAPE:
  81             window_->setAttribute(Qt::WA_Maemo5LandscapeOrientation, true);
  82             break;
  83         case PORTRAIT:
  84             window_->setAttribute(Qt::WA_Maemo5PortraitOrientation, true);
  85             break;
  86         }
  87     }
  88     else
  89     {
  90         if(orientations_ & LANDSCAPE)
  91         {
  92             window_->setAttribute(Qt::WA_Maemo5LandscapeOrientation, true);
  93         }
  94         else if(orientations_ & PORTRAIT)
  95         {
  96             window_->setAttribute(Qt::WA_Maemo5PortraitOrientation, true);
  97         }
  98     }
  99 }
 100
 101 void Orientation::onReadingChanged()
 102 {
 103     if(type_ != TYPE_AUTO)
 104     {
 105         return;
 106     }
 107
 108     if(reading()->orientation() != current_)
 109     {
 110         update();
 111         emit changed();
 112     }
 113 }
 114
 115 void Orientation::handleManualOrientation()
 116 {
 117     switch(type_)
 118     {
 119     case TYPE_LANDSCAPE:
 120         if(orientations_ & LANDSCAPE)
 121         {
 122             window_->setAttribute(Qt::WA_Maemo5LandscapeOrientation, true);
 123         }
 124         else if(orientations_ & PORTRAIT)
 125         {
 126             window_->setAttribute(Qt::WA_Maemo5PortraitOrientation, true);
 127         }
 128         break;
 129     case TYPE_PORTRAIT:
 130         if(orientations_ & PORTRAIT)
 131         {
 132             window_->setAttribute(Qt::WA_Maemo5PortraitOrientation, true);
 133         }
 134         else if(orientations_ & LANDSCAPE)
 135         {
 136             window_->setAttribute(Qt::WA_Maemo5LandscapeOrientation, true);
 137         }
 138         break;
 139     default:
 140         break;
 141     }
 142 }