projects/infoscreen/mainview.cpp

#include "MainView.h"
#include <QApplication>
#include <QPushButton>
#include <QLabel>
#include <QVBoxLayout>

#include <QTimer>

#include "MyWebView.h"
#include "clientsiderender.h"
#include "pictureview.h"
#include "videoview.h"

#include "httpwrapper.h"


MainView::MainView(QWidget* parent)
 : QWidget(parent)
{
        this->resize(400,400);
        this->setWindowState( Qt::WindowFullScreen );

        qApp->setOverrideCursor( QCursor( Qt::BlankCursor) );

        render = new ClientSideRender(this);
        render->setVisible( false );

        web = new MyWebView(this);
        web->setVisible( false);

        picture = new PictureView(this);
        picture->setVisible( false );

        video = new VideoView(this);
        video->setVisible(false);

        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);


        QTimer* timer = new QTimer(this);
        connect(timer, SIGNAL(timeout() ), this, SLOT(onTimer() ));
        timer->start(100);

}


void MainView::onTimer()
{
    screenManager.timerTick();

    readXml();

    switchScreens();
}


bool MainView::readXml()
{
    const int TIMEOUT = 30*60*1000; // 30 minutter
    if ( lastXml.isNull() || lastXml.elapsed() > TIMEOUT) {

        xmlHandler.readXml( "http://infoscreen.sundhedhorsens.dk/infoscreen/screen_xml.php?screen_id=1" );

        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 (lastScreenSwitch.isNull() || lastScreenSwitch.elapsed() > (currentItem.runtime*1000)) {

        QTime now = QTime::currentTime();
        if (lastScreenSwitch.isNull())
            currentItemIdx = -1;

        bool found = false;
        int tries = 0;


        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 <= now && now <= currentItem.stop )
                found = true;
        }

        if (found) {

            if (currentItem.module == "info_image") {
                ensureVisible(picture);

                picture->loadFromUrl( currentItem.url );

            }


        } else {
            qDebug() << "no screen";
            hideAll();
        }
        lastScreenSwitch = QTime::currentTime();

    }
}

void MainView::ensureVisible(QWidget* widget)
{
    if (! widget->isVisible()) {
        hideAll();
        widget->setVisible(true);
    }
}

void MainView::hideAll()
{
    render->setVisible( false );
    web->setVisible( false);
    picture->setVisible( false );
    video->setVisible(false);
}
1	torben	509	#include "MainView.h"
2	torben	512	#include <QApplication>
3	torben	510	#include <QPushButton>
4	torben	512	#include <QLabel>
5	torben	510	#include <QVBoxLayout>
6	torben	509
7	torben	510	#include <QTimer>
8
9	torben	512	#include "MyWebView.h"
10	torben	515	#include "clientsiderender.h"
11	torben	524	#include "pictureview.h"
12	torben	527	#include "videoview.h"
13	torben	511
14	torben	528	#include "httpwrapper.h"
15
16
17	torben	509	MainView::MainView(QWidget* parent)
18			: QWidget(parent)
19			{
20	torben	516	this->resize(400,400);
21	torben	512	this->setWindowState( Qt::WindowFullScreen );
22	torben	516
23	torben	526	qApp->setOverrideCursor( QCursor( Qt::BlankCursor) );
24	torben	510
25	torben	515	render = new ClientSideRender(this);
26	torben	517	render->setVisible( false );
27	torben	524
28	torben	515	web = new MyWebView(this);
29	torben	524	web->setVisible( false);
30	torben	511
31	torben	524	picture = new PictureView(this);
32	torben	529	picture->setVisible( false );
33	torben	517
34	torben	527	video = new VideoView(this);
35			video->setVisible(false);
36	torben	517
37	torben	510	QVBoxLayout* layout = new QVBoxLayout();
38	torben	515	layout->addWidget(web,1);
39			layout->addWidget(render,1);
40	torben	524	layout->addWidget(picture,1);
41	torben	527	layout->addWidget(video,1);
42	torben	510	layout->addStretch();
43			layout->setContentsMargins(0,0,0,0);
44	torben	515	setLayout(layout);
45	torben	510
46	torben	528
47
48	torben	510	QTimer* timer = new QTimer(this);
49			connect(timer, SIGNAL(timeout() ), this, SLOT(onTimer() ));
50	torben	528	timer->start(100);
51	torben	517
52	torben	509	}
53
54
55			void MainView::onTimer()
56			{
57	torben	512	screenManager.timerTick();
58	torben	524
59	torben	528	readXml();
60	torben	527
61	torben	528	switchScreens();
62			}
63	torben	527
64	torben	524
65	torben	528	bool MainView::readXml()
66			{
67			const int TIMEOUT = 30601000; // 30 minutter
68			if ( lastXml.isNull() \|\| lastXml.elapsed() > TIMEOUT) {
69	torben	529
70	torben	528	xmlHandler.readXml( "http://infoscreen.sundhedhorsens.dk/infoscreen/screen_xml.php?screen_id=1" );
71	torben	527
72	torben	528	lastXml = QTime::currentTime();
73
74			screenItems = xmlHandler.getScreenSet();
75
76			if ( currentItemIdx >= screenItems.size() )
77			currentItemIdx = screenItems.size()-1; //avoid overflow
78
79
80			return true;
81			} else {
82			return false;
83	torben	524	}
84	torben	509	}
85	torben	528
86			void MainView::switchScreens()
87			{
88
89			if (lastScreenSwitch.isNull() \|\| lastScreenSwitch.elapsed() > (currentItem.runtime*1000)) {
90
91	torben	529	QTime now = QTime::currentTime();
92	torben	528	if (lastScreenSwitch.isNull())
93	torben	529	currentItemIdx = -1;
94
95			bool found = false;
96			int tries = 0;
97
98
99			while (found == false && tries <= screenItems.size()) { //find next with valid display time
100			tries++;
101	torben	528	currentItemIdx = (currentItemIdx+1) % screenItems.size();
102	torben	529	currentItem = screenItems.at(currentItemIdx);
103	torben	528
104	torben	529	if (currentItem.start <= now && now <= currentItem.stop )
105			found = true;
106			}
107
108			if (found) {
109
110			if (currentItem.module == "info_image") {
111			ensureVisible(picture);
112
113			picture->loadFromUrl( currentItem.url );
114
115			}
116
117
118			} else {
119			qDebug() << "no screen";
120			hideAll();
121			}
122	torben	528	lastScreenSwitch = QTime::currentTime();
123	torben	529
124	torben	528	}
125			}
126	torben	529
127			void MainView::ensureVisible(QWidget* widget)
128			{
129			if (! widget->isVisible()) {
130			hideAll();
131			widget->setVisible(true);
132			}
133			}
134
135			void MainView::hideAll()
136			{
137			render->setVisible( false );
138			web->setVisible( false);
139			picture->setVisible( false );
140			video->setVisible(false);
141			}