Move QmlFontFamily to extra.

3 files changed, 304 insertions, 2 deletions

diff --git a/src/declarative/extra/extra.pri b/src/declarative/extra/extra.pri
index d3ce7eb..c731afa 100644
--- a/src/declarative/extra/extra.pri
+++ b/src/declarative/extra/extra.pri
@@ -8,7 +8,8 @@ SOURCES += \
            extra/qfxflowview.cpp \
            extra/qfxparticles.cpp \
            extra/qmlbehaviour.cpp \
-           extra/qbindablemap.cpp
+           extra/qbindablemap.cpp \
+           extra/qmlfontfamily.cpp
 
 HEADERS += \
            extra/qnumberformat.h \
@@ -21,7 +22,8 @@ HEADERS += \
            extra/qfxflowview.h \
            extra/qfxparticles.h \
            extra/qmlbehaviour.h \
-           extra/qbindablemap.h
+           extra/qbindablemap.h \
+           extra/qmlfontfamily.h
 
 contains(QT_CONFIG, xmlpatterns) {
     QT+=xmlpatterns
diff --git a/src/declarative/extra/qmlfontfamily.cpp b/src/declarative/extra/qmlfontfamily.cpp
new file mode 100644
index 0000000..73688c1
--- /dev/null
+++ b/src/declarative/extra/qmlfontfamily.cpp
@@ -0,0 +1,206 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "private/qobject_p.h"
+#include "qmlfontfamily.h"
+#include <QUrl>
+#include <QDebug>
+#include <QNetworkRequest>
+#include <QNetworkReply>
+#include <QFile>
+#include <QmlContext>
+#include <QtDeclarative/qmlengine.h>
+#include <QFontDatabase>
+
+QT_BEGIN_NAMESPACE
+
+class QmlFontFamilyPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QmlFontFamily);
+
+public:
+    QmlFontFamilyPrivate() : reply(0), status(QmlFontFamily::Null) {}
+
+    void addFontToDatabase(const QByteArray &);
+
+    QUrl url;
+    QString name;
+    QNetworkReply *reply;
+    QmlFontFamily::Status status;
+};
+
+QML_DEFINE_TYPE(Qt,4,6,(QT_VERSION&0x00ff00)>>8,FontFamily,QmlFontFamily)
+
+/*!
+    \qmlclass FontFamily QmlFontFamily
+    \ingroup group_utility
+    \brief This item allows using fonts by name or url.
+
+    Example:
+    \code
+    FontFamily { id: FixedFont; name: "Courier" }
+    FontFamily { id: WebFont; source: "http://www.mysite.com/myfont.ttf" }
+
+    Text { text: "Fixed-size font"; font.family: FixedFont.name }
+    Text { text: "Fancy font"; font.family: WebFont.name }
+    \endcode
+*/
+QmlFontFamily::QmlFontFamily(QObject *parent)
+    : QObject(*(new QmlFontFamilyPrivate), parent)
+{
+}
+
+QmlFontFamily::~QmlFontFamily()
+{
+}
+
+/*!
+    \qmlproperty url FontFamily::source
+    The url of the font to load.
+*/
+QUrl QmlFontFamily::source() const
+{
+    Q_D(const QmlFontFamily);
+    return d->url;
+}
+
+void QmlFontFamily::setSource(const QUrl &url)
+{
+    Q_D(QmlFontFamily);
+    if (url == d->url)
+        return;
+    d->url = qmlContext(this)->resolvedUrl(url);
+
+    d->status = Loading;
+    emit statusChanged();
+#ifndef QT_NO_LOCALFILE_OPTIMIZED_QML
+    if (d->url.scheme() == QLatin1String("file")) {
+        QFile file(d->url.toLocalFile());
+        file.open(QIODevice::ReadOnly);
+        QByteArray ba = file.readAll();
+        d->addFontToDatabase(ba);
+    } else
+#endif
+    {
+        QNetworkRequest req(d->url);
+        req.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
+        d->reply = qmlEngine(this)->networkAccessManager()->get(req);
+        QObject::connect(d->reply, SIGNAL(finished()), this, SLOT(replyFinished()));
+    }
+}
+
+/*!
+    \qmlproperty string FontFamily::name
+
+    This property holds the name of the font family.
+    It is set automatically when a font is loaded using the \c url property.
+
+    Use this to set the \c font.family property of a \c Text item.
+
+    Example:
+    \qml
+    FontFamily { id: WebFont; source: "http://www.mysite.com/myfont.ttf" }
+    Text { text: "Fancy font"; font.family: WebFont.name }
+    \endqml
+*/
+QString QmlFontFamily::name() const
+{
+    Q_D(const QmlFontFamily);
+    return d->name;
+}
+
+void QmlFontFamily::setName(const QString &name)
+{
+    Q_D(QmlFontFamily);
+    if (d->name == name )
+        return;
+    d->name = name;
+    emit nameChanged();
+}
+
+/*!
+    \qmlproperty enum FontFamily::status
+
+    This property holds the status of font loading.  It can be one of:
+    \list
+    \o Null - no font has been set
+    \o Ready - the font has been loaded
+    \o Loading - the font is currently being loaded
+    \o Error - an error occurred while loading the font
+    \endlist
+*/
+QmlFontFamily::Status QmlFontFamily::status() const
+{
+    Q_D(const QmlFontFamily);
+    return d->status;
+}
+
+void QmlFontFamily::replyFinished()
+{
+    Q_D(QmlFontFamily);
+    if (!d->reply->error()) {
+        QByteArray ba = d->reply->readAll();
+        d->addFontToDatabase(ba);
+    } else {
+	d->status = Error;
+        emit statusChanged();
+    }
+    d->reply->deleteLater();
+    d->reply = 0;
+}
+
+void QmlFontFamilyPrivate::addFontToDatabase(const QByteArray &ba)
+{
+    Q_Q(QmlFontFamily);
+
+    int id = QFontDatabase::addApplicationFontFromData(ba);
+    if (id != -1) {
+        name = QFontDatabase::applicationFontFamilies(id).at(0);
+        emit q->nameChanged();
+        status = QmlFontFamily::Ready;
+    } else {
+        status = QmlFontFamily::Error;
+        qWarning() << "Cannot load font: " << name << url;
+    }
+    emit q->statusChanged();
+}
+
+QT_END_NAMESPACE
diff --git a/src/declarative/extra/qmlfontfamily.h b/src/declarative/extra/qmlfontfamily.h
new file mode 100644
index 0000000..17b6635
--- /dev/null
+++ b/src/declarative/extra/qmlfontfamily.h
@@ -0,0 +1,94 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMLFONTFAMILY_H
+#define QMLFONTFAMILY_H
+
+#include <QtCore/qobject.h>
+#include <QtDeclarative/qml.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+class QmlFontFamilyPrivate;
+class Q_DECLARATIVE_EXPORT QmlFontFamily : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QmlFontFamily)
+    Q_ENUMS(Status)
+
+    Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)
+    Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged)
+    Q_PROPERTY(Status status READ status NOTIFY statusChanged)
+
+public:
+    enum Status { Null = 0, Ready, Loading, Error };
+
+    QmlFontFamily(QObject *parent = 0);
+    ~QmlFontFamily();
+
+    QUrl source() const;
+    void setSource(const QUrl &url);
+
+    QString name() const;
+    void setName(const QString &name);
+
+    Status status() const;
+
+private Q_SLOTS:
+    void replyFinished();
+
+Q_SIGNALS:
+    void nameChanged();
+    void statusChanged();
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QmlFontFamily)
+
+QT_END_HEADER
+
+#endif // QMLFONTFAMILY_H
+