| /* |
| Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies) |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public License |
| along with this library; see the file COPYING.LIB. If not, write to |
| the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. |
| */ |
| |
| #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(); |
| |
| // Verify that the image data is actually available before reporting back |
| // a url, since clients assume that the url can be used directly. |
| if (iconDatabase->iconImageForPageURL(pageURL).isNull()) |
| return QUrl(); |
| |
| QUrl url; |
| url.setScheme(QStringLiteral("image")); |
| url.setHost(QWebIconImageProvider::identifier()); |
| // Make sure that QML doesn't show a cached previous version of the icon after it changed. |
| url.setPath(QStringLiteral("/%1").arg(QtWebIconDatabaseClient::updateID())); |
| |
| // FIXME: Use QUrl::DecodedMode when landed in Qt |
| url.setFragment(QString::fromLatin1(pageURL.toUtf8().toBase64())); |
| |
| // FIXME: We can't know when the icon url is no longer in use, |
| // so we never release these icons. At some point we might want |
| // to introduce expiry of icons to elevate this issue. |
| 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; |
| } |