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Diffstat (limited to 'src/imports/winextras/qquickiconloader_p.h')
-rw-r--r-- | src/imports/winextras/qquickiconloader_p.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/src/imports/winextras/qquickiconloader_p.h b/src/imports/winextras/qquickiconloader_p.h deleted file mode 100644 index 8f4166f..0000000 --- a/src/imports/winextras/qquickiconloader_p.h +++ /dev/null @@ -1,148 +0,0 @@ -/**************************************************************************** - ** - ** Copyright (C) 2016 Ivan Vizir <define-true-false@yandex.com> - ** Copyright (C) 2016 The Qt Company Ltd. - ** Contact: https://www.qt.io/licensing/ - ** - ** This file is part of the QtWinExtras module of the Qt Toolkit. - ** - ** $QT_BEGIN_LICENSE:LGPL$ - ** Commercial License Usage - ** Licensees holding valid commercial Qt licenses may use this file in - ** accordance with the commercial license agreement provided with the - ** Software or, alternatively, in accordance with the terms contained in - ** a written agreement between you and The Qt Company. For licensing terms - ** and conditions see https://www.qt.io/terms-conditions. For further - ** information use the contact form at https://www.qt.io/contact-us. - ** - ** GNU Lesser General Public License Usage - ** Alternatively, this file may be used under the terms of the GNU Lesser - ** General Public License version 3 as published by the Free Software - ** Foundation and appearing in the file LICENSE.LGPL3 included in the - ** packaging of this file. Please review the following information to - ** ensure the GNU Lesser General Public License version 3 requirements - ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. - ** - ** GNU General Public License Usage - ** Alternatively, this file may be used under the terms of the GNU - ** General Public License version 2.0 or (at your option) the GNU General - ** Public license version 3 or any later version approved by the KDE Free - ** Qt Foundation. The licenses are as published by the Free Software - ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 - ** included in the packaging of this file. Please review the following - ** information to ensure the GNU General Public License requirements will - ** be met: https://www.gnu.org/licenses/gpl-2.0.html and - ** https://www.gnu.org/licenses/gpl-3.0.html. - ** - ** $QT_END_LICENSE$ - ** - ****************************************************************************/ - -#ifndef QQUICKICONLOADER_P_H -#define QQUICKICONLOADER_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include <QtQml/qtqml-config.h> -#include <QtGui/QIcon> -#include <QtGui/QPixmap> -#include <QtCore/QDebug> -#include <QtCore/QObject> -#include <QtCore/QVariant> -#include <QtCore/QUrl> - -QT_BEGIN_NAMESPACE - -class QIcon; -class QQmlEngine; -class QNetworkReply; - -class QQuickIconLoader -{ -public: - enum LoadResult { - LoadOk, - LoadError, - LoadNetworkRequestStarted, - }; - - // Load a QIcon (pass type = QMetaType::QIcon) or a QPixmap (pass type = - // QMetaType::QPixmap) from url. The function takes an object and member - // function pointer to a slot accepting a QVariant. For resources that can - // loaded synchronously ("file", "qrc" or "image"), the member function pointer - // will be invoked immediately with the result. For network resources, it will be - // connected to an object handling the network reply and invoked once it finishes. - template <typename Object> - static LoadResult load(const QUrl &url, const QQmlEngine *engine, - int metaTypeId, const QSize &requestedSize, - Object *receiver, void (Object::*function)(const QVariant &)); - -private: - QQuickIconLoader() = default; - static QVariant loadFromFile(const QUrl &url, int metaTypeId); - static QVariant loadFromImageProvider(const QUrl &url, const QQmlEngine *engine, - int metaTypeId, QSize requestedSize); -#if QT_CONFIG(qml_network) - static QNetworkReply *loadFromNetwork(const QUrl &url, const QQmlEngine *engine); -#endif -}; - -#if QT_CONFIG(qml_network) -// Internal handler which loads the resource once QNetworkReply finishes -class QQuickIconLoaderNetworkReplyHandler : public QObject -{ - Q_OBJECT - -public: - explicit QQuickIconLoaderNetworkReplyHandler(QNetworkReply *reply, int); - -Q_SIGNALS: - void finished(const QVariant &); - -private Q_SLOTS: - void onRequestFinished(); - -private: - const int m_metaTypeId; -}; -#endif // qml_network - -template <typename Object> -QQuickIconLoader::LoadResult - QQuickIconLoader::load(const QUrl &url, const QQmlEngine *engine, - int metaTypeId, const QSize &requestedSize, - Object *receiver, void (Object::*function)(const QVariant &)) -{ - const QString scheme = url.scheme(); - if (scheme.startsWith(u"http")) { -#if QT_CONFIG(qml_network) - if (QNetworkReply *reply = QQuickIconLoader::loadFromNetwork(url, engine)) { - auto *handler = new QQuickIconLoaderNetworkReplyHandler(reply, metaTypeId); - QObject::connect(handler, &QQuickIconLoaderNetworkReplyHandler::finished, receiver, function); - return LoadNetworkRequestStarted; - } -#endif // qml_network - return LoadError; - } - const QVariant resource = scheme == u"image" - ? QQuickIconLoader::loadFromImageProvider(url, engine, metaTypeId, requestedSize) - : QQuickIconLoader::loadFromFile(url, metaTypeId); // qrc, file - if (resource.isValid()) { - (receiver->*function)(resource); - return LoadOk; - } - return LoadError; -} - -QT_END_NAMESPACE - -#endif // QQUICKICONLOADER_P_H |