demos/embedded/anomaly/src/webview.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39

#include "webview.h"

#include <QPaintEvent>
#include <QWebFrame>

WebView::WebView(QWidget *parent)
    : QWebView(parent)
    , inLoading(false)
{
    connect(this, SIGNAL(loadStarted()), this, SLOT(newPageLoading()));
    connect(this, SIGNAL(loadFinished(bool)), this, SLOT(pageLoaded(bool)));
    page()->setPreferredContentsSize(QSize(1024, 768));
}

void WebView::paintEvent(QPaintEvent *event)
{
    if (inLoading && loadingTime.elapsed() < 750) {
        QPainter painter(this);
        painter.setBrush(Qt::white);
        painter.setPen(Qt::NoPen);
        foreach (const QRect &rect, event->region().rects()) {
            painter.drawRect(rect);
        }
    } else {
        QWebView::paintEvent(event);
    }
}

void WebView::newPageLoading()
{
    inLoading = true;
    loadingTime.start();
}

void WebView::pageLoaded(bool)
{
    inLoading = false;
    update();
}