--- infoscreen/MainView.cpp	2010/01/05 20:14:22	527
+++ infoscreen/MainView.cpp	2010/06/22 20:43:13	875
@@ -2,70 +2,303 @@
 #include <QApplication>
 #include <QPushButton>
 #include <QLabel>
-#include <QVBoxLayout>
+#include <QStackedLayout>
+#include <QSvgWidget>
 
 #include <QTimer>
+#include <QKeyEvent>
+#include <QSettings>
+#include <QMessageBox>
 
 #include "MyWebView.h"
 #include "clientsiderender.h"
 #include "pictureview.h"
 #include "videoview.h"
 
+#include "httpwrapper.h"
+#include "screenmanager.h"
+
+
+
 MainView::MainView(QWidget* parent)
- : QWidget(parent)
+    : QWidget(parent), timer(0)
+{
+    loadSettings();
+
+    if ( currentMode == ModeXml) {
+        xmlUrl = url + "?screen_id=" + screenid;
+        qDebug() << "Starting XML mode";
+        qDebug() << "xmlUrl" << xmlUrl;
+    }
+
+    if (currentMode == ModeSimpleWeb){
+        qDebug() << "Starting plain browser mode";
+    }
+
+    if (currentMode == ModeLocal ) {
+        qDebug() << "Starting local mode";
+        qDebug() << "path" <<  path;
+
+        readLocalFiles();
+    }
+
+    this->resize(400,400);
+    this->setWindowState( Qt::WindowFullScreen );
+    this->grabKeyboard();
+
+    qApp->setOverrideCursor( QCursor( Qt::BlankCursor) );
+
+    render = new ClientSideRender(this);
+
+    web = new MyWebView(this);
+
+    picture = new PictureView(this);
+
+    video = new VideoView(this);
+
+    svg = new QSvgWidget(this);
+
+    layout = new QStackedLayout();
+    layout->addWidget(web);
+    layout->addWidget(render);
+    layout->addWidget(picture);
+    layout->addWidget(video);
+    layout->addWidget(svg);
+    layout->setContentsMargins(0,0,0,0);
+    setLayout(layout);
+
+    if (currentMode == ModeSimpleWeb) {
+        web->setVisible(true);
+        web->start(url,screenid);
+    }
+
+    if (enableScreenManager) {
+        screenManager = new ScreenManager();
+    } else {
+        qDebug() << "ScreenManager is disabled";
+    }
+
+
+    qDebug() << "Starting timer...";
+    timer = new QTimer(this);
+    connect(timer, SIGNAL(timeout() ), this, SLOT(onTimer() ));
+    timer->start(100);
+}
+
+void MainView::loadSettings()
 {
-        this->resize(400,400);
-        this->setWindowState( Qt::WindowFullScreen );
+    settings = new QSettings("Caddi", "infoscreen");
 
-	qApp->setOverrideCursor( QCursor( Qt::BlankCursor) );
+    qDebug() << "Loading settings" << settings->fileName();
 
-        render = new ClientSideRender(this);
-        render->setVisible( false );
+    QString mode = settings->value("mode").toString().toLower();
+    if (mode == "simpleweb") {
+        currentMode = ModeSimpleWeb;
+    } else if (mode == "xml") {
+        currentMode = ModeXml;
+    } else if (mode == "local") {
+        currentMode = ModeLocal;
+    }  else {
+        currentMode = ModeNone;
+        QMessageBox::warning(this, "infoscreen", "no operation mode set or mode given an invalid value");
+        exit(1);
+    }
 
-        web = new MyWebView(this);
-        web->setVisible( false);
+    enableScreenManager = settings->value("enableScreenManager").toBool();
 
-        picture = new PictureView(this);
-        picture->setVisible( true );
 
-        video = new VideoView(this);
-        video->setVisible(false);
+    if (currentMode == ModeSimpleWeb || currentMode == ModeXml) {
+        url = settings->value("url").toString();
+        screenid = settings->value("screenid").toString();
+        if (url == "" || screenid == "") {
+            QMessageBox::warning(this,"infoscreen","Could not find url or screenid in config file " + settings->fileName());
 
-	QVBoxLayout* layout = new QVBoxLayout();
-        layout->addWidget(web,1);
-        layout->addWidget(render,1);
-        layout->addWidget(picture,1);
-        layout->addWidget(video,1);
-	layout->addStretch();
-	layout->setContentsMargins(0,0,0,0);
-        setLayout(layout);
+            exit(1); //Normal qApp->exit() doesn't terminate the init sequence so use std C exit function
+        }
+    }
 
-	QTimer* timer = new QTimer(this);
-	connect(timer, SIGNAL(timeout() ), this, SLOT(onTimer() ));
-	timer->start(1000);
+    if (currentMode == ModeLocal) {
+        path = settings->value("path").toString();
 
-        web->start();
+        if (path == "") {
+            QMessageBox::warning(this,"infoscreen","Could not find path in config file " + settings->fileName());
+            exit(1);
+        }
+    }
 }
 
+void MainView::closeEvent ( QCloseEvent * event )
+{
+    Q_UNUSED(event);
+    exit(0); //force application shutdown
+}
+
+void MainView::keyPressEvent ( QKeyEvent* event )
+{
+    int key = event->key();
+    if (key == ' ' || key == Qt::Key_Return || key == Qt::Key_Enter) {
+        close();
+    }
+}  
 
 void MainView::onTimer()
 {
-    static int count = 0;
-    screenManager.timerTick();
+    if (enableScreenManager == true) {
+        screenManager->timerTick();
+    }
 
-    //if (count == 0)
-    //    video->loadUrl("");
+    if (currentMode == ModeXml) {
+        readXml();
+    }
 
+    if (currentMode == ModeXml || currentMode == ModeLocal) {
+        switchScreens();
+    }
+}
 
-    if ( (count%10) == 0) {
 
-        int t = count / 10;
+void MainView::readLocalFiles()
+{
+    QDir dir(path);
+    if (! dir.exists()) {
+        QMessageBox::warning(this,"infoscreen","Local Source directory not found: " + path);
+        exit(1);
+    }
+    QFileInfoList files = dir.entryInfoList(QDir::Files, QDir::Name); //only files, sort by name
+
+    for (int i=0; i<files.size(); ++i) {
+        QFileInfo file = files[i];
+        qDebug() << "Found" << file.fileName();
+
+        ScreenItem item;
+        item.url = file.filePath();
+        item.module = ModuleUnknown;
+
+        QString ext = file.suffix().toLower();
+        if (ext == "avi" || ext == "mpg" || ext == "mpeg") {
+            item.module = ModuleVideo;
+            item.runtime = 1;
+        }
+
+        if (ext == "jpg" || ext == "jpeg" || ext == "png" ) {
+            item.module = ModuleImage;
+            item.runtime = 10;
+        }
+
+        if (ext == "svg") {
+            item.module = ModuleSvg;
+            item.runtime = 10;
+        }
+        
+        if (ext == "htm" || ext == "html") {
+            item.module = ModuleWeb;
+            item.runtime = 10;
+        }
+
+        if (item.module != ModuleUnknown) { //no need to enqueue unknown modules
+            screenItems.push_back( item );
+        }
+
+    }
+
+    qDebug() << "Found " << screenItems.size() << " playable items";
+}
+
+
+bool MainView::readXml()
+{
+    const int TIMEOUT = 30*60*1000; // 30 minutter
+    if ( lastXml.isNull() || lastXml.elapsed() > TIMEOUT) {
+
+
+        bool res = xmlHandler.readXml( xmlUrl );
+
+        lastXml = QTime::currentTime();
+
+        screenItems = xmlHandler.getScreenSet();
+
+        if ( currentItemIdx >= screenItems.size() )
+            currentItemIdx = screenItems.size()-1; //avoid overflow
+
+
+        return true;
+    } else {
+        return false;
+    }
+}
+
+void MainView::switchScreens()
+{
+    if (video->isVisible() && video->isPlaying() ) {
+        return; //wait until current clip has finished
+    }
+
+    if (lastScreenSwitch.isNull() || lastScreenSwitch.elapsed() > (currentItem.runtime*1000)) {
+
+        QTime now = QTime::currentTime();
+        if (lastScreenSwitch.isNull())
+            currentItemIdx = -1;
+
+        bool found = false;
+        int tries = 0;
+
+        if (screenItems.size() > 0) { //only try if we have a any screens
+            while (found == false && tries <= screenItems.size()) { //find next with valid display time
+                tries++;
+                currentItemIdx = (currentItemIdx+1) % screenItems.size();
+                currentItem = screenItems.at(currentItemIdx);
+
+                if (currentItem.start.isValid() && currentItem.stop.isValid()) {
+                    if (currentItem.start <= now && now <= currentItem.stop )
+                        found = true;
+                } else { // if start or stop time was invalid - show them always
+                    found = true;
+                }
+            }
+        }
+
+        if (found) {
+            switch(currentItem.module) {
+            case ModuleImage:
+                ensureVisible(picture);
+                picture->loadFromUrl( currentItem.url );
+                break;
+            case ModuleWeb:
+                ensureVisible(web);
+                web->load(currentItem.url);
+                break;
+            case ModuleVideo:
+                ensureVisible(video);
+                video->loadUrl(currentItem.url);
+                break;
+            case ModuleSvg:
+                ensureVisible(svg);
+                svg->load(currentItem.url);
+                break;
+            default:
+                // ModuleUnknown - what should we do??
+                break;
+            }
 
-        if ( (t%2) == 0) {
-            picture->loadFromUrl("http://87.104.25.138/infoscreens/data/images/image1.jpg");
         } else {
-            picture->loadFromUrl("http://87.104.25.138/infoscreens/data/images/image2.jpg");
+            errorInfoScreen("Der er ingen information at vise");
         }
+        lastScreenSwitch = QTime::currentTime();
+
     }
-    count++;
 }
+
+void MainView::errorInfoScreen(QString msg)
+{
+	ensureVisible(web);
+	web->setHtml("<html>\
+		<body text='#505050' bgcolor='#000000'>\
+        <table width='100%' height='100%'><tr><td align='center' valign='middel'><h1>" + msg+ "</h1></td></tr></table>\
+		</body></html>");
+}
+
+void MainView::ensureVisible(QWidget* widget)
+{
+    layout->setCurrentWidget(widget);    
+}
+