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author | A-Team <ateam@pad.test.qt.nokia.com> | 2010-09-16 22:00:18 (GMT) |
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committer | A-Team <ateam@pad.test.qt.nokia.com> | 2010-09-16 22:00:18 (GMT) |
commit | 0f71215693713fef4fd9dabeae8e6a574deff415 (patch) | |
tree | 27d8a11e29f87813df5cbb644389cbfdfebc1abb /src/declarative/util/qdeclarativefontloader.cpp | |
parent | acab3259e9f57e436f475b4c0d1d7e7fb194e983 (diff) | |
parent | fc007d0a99cc52e673c5d2606e5076831f6103b1 (diff) | |
download | Qt-0f71215693713fef4fd9dabeae8e6a574deff415.zip Qt-0f71215693713fef4fd9dabeae8e6a574deff415.tar.gz Qt-0f71215693713fef4fd9dabeae8e6a574deff415.tar.bz2 |
Merge branch '4.7-upstream' into 4.7-doc
Diffstat (limited to 'src/declarative/util/qdeclarativefontloader.cpp')
-rw-r--r-- | src/declarative/util/qdeclarativefontloader.cpp | 199 |
1 files changed, 128 insertions, 71 deletions
diff --git a/src/declarative/util/qdeclarativefontloader.cpp b/src/declarative/util/qdeclarativefontloader.cpp index 1755855..91588b7 100644 --- a/src/declarative/util/qdeclarativefontloader.cpp +++ b/src/declarative/util/qdeclarativefontloader.cpp @@ -58,23 +58,91 @@ QT_BEGIN_NAMESPACE +#define FONTLOADER_MAXIMUM_REDIRECT_RECURSION 16 + +class QDeclarativeFontObject : public QObject +{ +Q_OBJECT + +public: + QDeclarativeFontObject(int _id); + + void download(const QUrl &url, QNetworkAccessManager *manager); + +Q_SIGNALS: + void fontDownloaded(const QString&, QDeclarativeFontLoader::Status); + +private Q_SLOTS: + void replyFinished(); + +public: + int id; + +private: + QNetworkReply *reply; + int redirectCount; + + Q_DISABLE_COPY(QDeclarativeFontObject) +}; + +QDeclarativeFontObject::QDeclarativeFontObject(int _id = -1) + : QObject(0), id(_id), reply(0), redirectCount(0) {} + + +void QDeclarativeFontObject::download(const QUrl &url, QNetworkAccessManager *manager) +{ + QNetworkRequest req(url); + req.setAttribute(QNetworkRequest::HttpPipeliningAllowedAttribute, true); + reply = manager->get(req); + QObject::connect(reply, SIGNAL(finished()), this, SLOT(replyFinished())); +} + +void QDeclarativeFontObject::replyFinished() +{ + if (reply) { + redirectCount++; + if (redirectCount < FONTLOADER_MAXIMUM_REDIRECT_RECURSION) { + QVariant redirect = reply->attribute(QNetworkRequest::RedirectionTargetAttribute); + if (redirect.isValid()) { + QUrl url = reply->url().resolved(redirect.toUrl()); + QNetworkAccessManager *manager = reply->manager(); + reply->deleteLater(); + reply = 0; + download(url, manager); + return; + } + } + redirectCount = 0; + + if (!reply->error()) { + id = QFontDatabase::addApplicationFontFromData(reply->readAll()); + if (id != -1) + emit fontDownloaded(QFontDatabase::applicationFontFamilies(id).at(0), QDeclarativeFontLoader::Ready); + else + emit fontDownloaded(QString(), QDeclarativeFontLoader::Error); + } else { + emit fontDownloaded(QString(), QDeclarativeFontLoader::Error); + } + reply->deleteLater(); + reply = 0; + } +} + + class QDeclarativeFontLoaderPrivate : public QObjectPrivate { Q_DECLARE_PUBLIC(QDeclarativeFontLoader) public: - QDeclarativeFontLoaderPrivate() : reply(0), status(QDeclarativeFontLoader::Null), redirectCount(0) {} - - void addFontToDatabase(const QByteArray &); + QDeclarativeFontLoaderPrivate() : status(QDeclarativeFontLoader::Null) {} QUrl url; QString name; - QNetworkReply *reply; QDeclarativeFontLoader::Status status; - int redirectCount; + static QHash<QUrl, QDeclarativeFontObject*> fonts; }; - +QHash<QUrl, QDeclarativeFontObject*> QDeclarativeFontLoaderPrivate::fonts; /*! \qmlclass FontLoader QDeclarativeFontLoader @@ -127,30 +195,65 @@ void QDeclarativeFontLoader::setSource(const QUrl &url) if (url == d->url) return; d->url = qmlContext(this)->resolvedUrl(url); - - d->status = Loading; - emit statusChanged(); emit sourceChanged(); + #ifndef QT_NO_LOCALFILE_OPTIMIZED_QML - QString lf = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(d->url); - if (!lf.isEmpty()) { - int id = QFontDatabase::addApplicationFont(lf); - if (id != -1) { - d->name = QFontDatabase::applicationFontFamilies(id).at(0); + QString localFile = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(d->url); + if (!localFile.isEmpty()) { + if (!d->fonts.contains(d->url)) { + int id = QFontDatabase::addApplicationFont(localFile); + if (id != -1) { + updateFontInfo(QFontDatabase::applicationFontFamilies(id).at(0), Ready); + QDeclarativeFontObject *fo = new QDeclarativeFontObject(id); + d->fonts[d->url] = fo; + } else { + updateFontInfo(QString(), Error); + } + } else { + QDeclarativeFontObject *fo = d->fonts[d->url]; + d->name = QFontDatabase::applicationFontFamilies(fo->id).at(0); emit nameChanged(); d->status = QDeclarativeFontLoader::Ready; - } else { - d->status = QDeclarativeFontLoader::Error; - qmlInfo(this) << "Cannot load font: \"" << url.toString() << "\""; + emit statusChanged(); } - emit statusChanged(); } else #endif { - QNetworkRequest req(d->url); - req.setAttribute(QNetworkRequest::HttpPipeliningAllowedAttribute, true); - d->reply = qmlEngine(this)->networkAccessManager()->get(req); - QObject::connect(d->reply, SIGNAL(finished()), this, SLOT(replyFinished())); + if (!d->fonts.contains(d->url)) { + QDeclarativeFontObject *fo = new QDeclarativeFontObject; + d->fonts[d->url] = fo; + fo->download(d->url, qmlEngine(this)->networkAccessManager()); + d->status = Loading; + emit statusChanged(); + QObject::connect(fo, SIGNAL(fontDownloaded(QString, QDeclarativeFontLoader::Status)), + this, SLOT(updateFontInfo(QString, QDeclarativeFontLoader::Status))); + } else { + QDeclarativeFontObject *fo = d->fonts[d->url]; + if (fo->id == -1) { + d->status = Loading; + emit statusChanged(); + QObject::connect(fo, SIGNAL(fontDownloaded(QString, QDeclarativeFontLoader::Status)), + this, SLOT(updateFontInfo(QString, QDeclarativeFontLoader::Status))); + } + else + updateFontInfo(QFontDatabase::applicationFontFamilies(fo->id).at(0), Ready); + } + } +} + +void QDeclarativeFontLoader::updateFontInfo(const QString& name, QDeclarativeFontLoader::Status status) +{ + Q_D(QDeclarativeFontLoader); + + if (name != d->name) { + d->name = name; + emit nameChanged(); + } + if (status != d->status) { + if (status == Error) + qmlInfo(this) << "Cannot load font: \"" << d->url.toString() << "\""; + d->status = status; + emit statusChanged(); } } @@ -177,7 +280,7 @@ QString QDeclarativeFontLoader::name() const void QDeclarativeFontLoader::setName(const QString &name) { Q_D(QDeclarativeFontLoader); - if (d->name == name ) + if (d->name == name) return; d->name = name; emit nameChanged(); @@ -223,52 +326,6 @@ QDeclarativeFontLoader::Status QDeclarativeFontLoader::status() const return d->status; } -#define FONTLOADER_MAXIMUM_REDIRECT_RECURSION 16 - -void QDeclarativeFontLoader::replyFinished() -{ - Q_D(QDeclarativeFontLoader); - if (d->reply) { - d->redirectCount++; - if (d->redirectCount < FONTLOADER_MAXIMUM_REDIRECT_RECURSION) { - QVariant redirect = d->reply->attribute(QNetworkRequest::RedirectionTargetAttribute); - if (redirect.isValid()) { - QUrl url = d->reply->url().resolved(redirect.toUrl()); - d->reply->deleteLater(); - d->reply = 0; - setSource(url); - return; - } - } - d->redirectCount=0; - - if (!d->reply->error()) { - QByteArray ba = d->reply->readAll(); - d->addFontToDatabase(ba); - } else { - d->status = Error; - qmlInfo(this) << "Cannot load font: \"" << d->reply->url().toString() << "\""; - emit statusChanged(); - } - d->reply->deleteLater(); - d->reply = 0; - } -} - -void QDeclarativeFontLoaderPrivate::addFontToDatabase(const QByteArray &ba) -{ - Q_Q(QDeclarativeFontLoader); - - int id = QFontDatabase::addApplicationFontFromData(ba); - if (id != -1) { - name = QFontDatabase::applicationFontFamilies(id).at(0); - emit q->nameChanged(); - status = QDeclarativeFontLoader::Ready; - } else { - status = QDeclarativeFontLoader::Error; - qmlInfo(q) << "Cannot load font: \"" << url.toString() << "\""; - } - emit q->statusChanged(); -} - QT_END_NAMESPACE + +#include <qdeclarativefontloader.moc> |