/[projects]/infoscreen/mainview.cpp
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Diff of /infoscreen/mainview.cpp

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revision 529 by torben, Wed Jan 6 23:13:21 2010 UTC revision 542 by torben, Sun Jan 10 09:12:55 2010 UTC
# Line 5  Line 5 
5  #include <QVBoxLayout>  #include <QVBoxLayout>
6    
7  #include <QTimer>  #include <QTimer>
8    #include <QKeyEvent>
9    #include <QSettings>
10    #include <QMessageBox>
11    
12  #include "MyWebView.h"  #include "MyWebView.h"
13  #include "clientsiderender.h"  #include "clientsiderender.h"
# Line 15  Line 18 
18    
19    
20  MainView::MainView(QWidget* parent)  MainView::MainView(QWidget* parent)
21   : QWidget(parent)      : QWidget(parent), timer(0)
22  {  {
         this->resize(400,400);  
         this->setWindowState( Qt::WindowFullScreen );  
23    
24          qApp->setOverrideCursor( QCursor( Qt::BlankCursor) );      settings = new QSettings("Caddi", "infoscreen");
25        url = settings->value("url").toString();
26        bool xmlMode = settings->value("xml").toBool();
27        screenid = settings->value("screenid").toString();
28    
29          render = new ClientSideRender(this);      if (url == "" || screenid == "") {
30          render->setVisible( false );          QMessageBox::warning(this,"infoscreen","Could not find url or screenid in config file " + settings->fileName());
31    
32          web = new MyWebView(this);          exit(1); //Normal qApp->exit() doesn't terminate the init sequence so use std C exit function
33          web->setVisible( false);      }
34    
35    
36    
37        this->resize(400,400);
38        this->setWindowState( Qt::WindowFullScreen );
39        this->grabKeyboard();
40    
41        qApp->setOverrideCursor( QCursor( Qt::BlankCursor) );
42    
43        render = new ClientSideRender(this);
44        render->setVisible( false );
45    
46          picture = new PictureView(this);      web = new MyWebView(this);
47          picture->setVisible( false );      web->setVisible( false);
48    
49          video = new VideoView(this);      picture = new PictureView(this);
50          video->setVisible(false);      picture->setVisible( false );
51    
52          QVBoxLayout* layout = new QVBoxLayout();      video = new VideoView(this);
53          layout->addWidget(web,1);      video->setVisible(false);
         layout->addWidget(render,1);  
         layout->addWidget(picture,1);  
         layout->addWidget(video,1);  
         layout->addStretch();  
         layout->setContentsMargins(0,0,0,0);  
         setLayout(layout);  
54    
55        QVBoxLayout* layout = new QVBoxLayout();
56        layout->addWidget(web,1);
57        layout->addWidget(render,1);
58        layout->addWidget(picture,1);
59        layout->addWidget(video,1);
60        layout->addStretch();
61        layout->setContentsMargins(0,0,0,0);
62        setLayout(layout);
63    
64    
65          QTimer* timer = new QTimer(this);  
66          connect(timer, SIGNAL(timeout() ), this, SLOT(onTimer() ));  
67        if (xmlMode == true) {
68            xmlUrl = url + "?screen_id=" + screenid;
69            qDebug() << "Starting XML mode";
70            qDebug() << "xmlUrl" << xmlUrl;
71    
72            timer = new QTimer(this);
73            connect(timer, SIGNAL(timeout() ), this, SLOT(onTimer() ));
74          timer->start(100);          timer->start(100);
75        } else {
76            qDebug() << "Starting plain browser mode";
77            web->setVisible(true);
78            web->start(url,screenid);
79        }
80    }
81    
82    void MainView::closeEvent ( QCloseEvent * event )
83    {
84        Q_UNUSED(event);
85        exit(0); //force application shutdown
86  }  }
87    
88    void MainView::keyPressEvent ( QKeyEvent* event )
89    {
90        int key = event->key();
91        if (key == ' ' || key == Qt::Key_Return || key == Qt::Key_Enter) {
92            close();
93        }
94    }  
95    
96  void MainView::onTimer()  void MainView::onTimer()
97  {  {
# Line 67  bool MainView::readXml() Line 108  bool MainView::readXml()
108      const int TIMEOUT = 30*60*1000; // 30 minutter      const int TIMEOUT = 30*60*1000; // 30 minutter
109      if ( lastXml.isNull() || lastXml.elapsed() > TIMEOUT) {      if ( lastXml.isNull() || lastXml.elapsed() > TIMEOUT) {
110    
111          xmlHandler.readXml( "http://infoscreen.sundhedhorsens.dk/infoscreen/screen_xml.php?screen_id=1" );  
112            bool res = xmlHandler.readXml( xmlUrl );
113    
114          lastXml = QTime::currentTime();          lastXml = QTime::currentTime();
115    
# Line 85  bool MainView::readXml() Line 127  bool MainView::readXml()
127    
128  void MainView::switchScreens()  void MainView::switchScreens()
129  {  {
130        if (video->isVisible() && video->isPlaying() ) {
131            return; //wait until current clip has finished
132        }
133    
134      if (lastScreenSwitch.isNull() || lastScreenSwitch.elapsed() > (currentItem.runtime*1000)) {      if (lastScreenSwitch.isNull() || lastScreenSwitch.elapsed() > (currentItem.runtime*1000)) {
135    
# Line 95  void MainView::switchScreens() Line 140  void MainView::switchScreens()
140          bool found = false;          bool found = false;
141          int tries = 0;          int tries = 0;
142    
143            if (screenItems.size() > 0) { //only try if we have a any screens
144                while (found == false && tries <= screenItems.size()) { //find next with valid display time
145                    tries++;
146                    currentItemIdx = (currentItemIdx+1) % screenItems.size();
147                    currentItem = screenItems.at(currentItemIdx);
148    
149          while (found == false && tries <= screenItems.size()) { //find next with valid display time                  if (currentItem.start <= now && now <= currentItem.stop )
150              tries++;                      found = true;
151              currentItemIdx = (currentItemIdx+1) % screenItems.size();              }
             currentItem = screenItems.at(currentItemIdx);  
   
             if (currentItem.start <= now && now <= currentItem.stop )  
                 found = true;  
152          }          }
153    
154          if (found) {          if (found) {
# Line 113  void MainView::switchScreens() Line 159  void MainView::switchScreens()
159                  picture->loadFromUrl( currentItem.url );                  picture->loadFromUrl( currentItem.url );
160    
161              }              }
162                if (currentItem.module == "info_web") {
163                    ensureVisible(web);
164                    web->load(currentItem.url);
165                }
166                if (currentItem.module == "info_video") {
167                    ensureVisible(video);
168                    video->loadUrl(currentItem.url);
169                }
170    
171                errorInfoScreen("Unknown module: " + currentItem.module );
172    
173          } else {          } else {
174              qDebug() << "no screen";              qDebug() << "no screen";
175              hideAll();              errorInfoScreen("Der er ingen information at vise");
176          }          }
177          lastScreenSwitch = QTime::currentTime();          lastScreenSwitch = QTime::currentTime();
178    
179      }      }
180  }  }
181    
182    void MainView::errorInfoScreen(QString msg)
183    {
184            ensureVisible(web);
185            web->setHtml("<html>\
186                    <body text='#505050' bgcolor='#000000'>\
187            <table width='100%' height='100%'><tr><td align='center' valign='middel'><h1>" + msg+ "</h1></td></tr></table>\
188                    </body></html>");
189    }
190    
191  void MainView::ensureVisible(QWidget* widget)  void MainView::ensureVisible(QWidget* widget)
192  {  {
193      if (! widget->isVisible()) {      if (! widget->isVisible()) {
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