qwebiconimageprovider.cpp [plain text]
#include "config.h"
#include "qwebiconimageprovider_p.h"
#include "QtWebContext.h"
#include "QtWebIconDatabaseClient.h"
#include <QtCore/QUrl>
#include <QtGui/QImage>
using namespace WebKit;
QWebIconImageProvider::QWebIconImageProvider()
: QQuickImageProvider(QQuickImageProvider::Image)
{
}
QWebIconImageProvider::~QWebIconImageProvider()
{
}
QUrl QWebIconImageProvider::iconURLForPageURLInContext(const QString &pageURL, QtWebContext* context)
{
QtWebIconDatabaseClient* iconDatabase = context->iconDatabase();
if (iconDatabase->iconImageForPageURL(pageURL).isNull())
return QUrl();
QUrl url;
url.setScheme(QStringLiteral("image"));
url.setHost(QWebIconImageProvider::identifier());
url.setPath(QStringLiteral("/%1").arg(QtWebIconDatabaseClient::updateID()));
url.setFragment(QString::fromLatin1(pageURL.toUtf8().toBase64()));
iconDatabase->retainIconForPageURL(pageURL);
return url;
}
QImage QWebIconImageProvider::requestImage(const QString& id, QSize* size, const QSize& requestedSize)
{
QString pageURL = QString::fromUtf8(QByteArray::fromBase64(id.midRef(id.indexOf('#') + 1).toLatin1()));
QtWebIconDatabaseClient* iconDatabase = QtWebContext::defaultContext()->iconDatabase();
Q_ASSERT(iconDatabase);
QImage icon = iconDatabase->iconImageForPageURL(pageURL);
Q_ASSERT(!icon.isNull());
if (size)
*size = icon.size();
if (requestedSize.isValid())
return icon.scaled(requestedSize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
return icon;
}