| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qquickiconloader_p.h" |
| |
| #include <QQmlEngine> |
| #include <QNetworkAccessManager> |
| #include <QFileInfo> |
| #include <QNetworkRequest> |
| #include <QNetworkReply> |
| #include <QQuickImageProvider> |
| #include <QQmlFile> |
| #include <qt_windows.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| QVariant QQuickIconLoader::loadFromFile(const QUrl &url, QVariant::Type type) |
| { |
| const QString path = QQmlFile::urlToLocalFileOrQrc(url); |
| if (QFileInfo::exists(path)) { |
| switch (type) { |
| case QMetaType::QIcon: |
| return QVariant(QIcon(path)); |
| case QMetaType::QPixmap: |
| return QVariant(QPixmap(path)); |
| default: |
| qWarning("%s: Unsupported type: %d", Q_FUNC_INFO, int(type)); |
| break; |
| } |
| } |
| return QVariant(); |
| } |
| |
| QNetworkReply *QQuickIconLoader::loadFromNetwork(const QUrl &url, const QQmlEngine *engine) |
| { |
| return engine->networkAccessManager()->get(QNetworkRequest(url)); |
| } |
| |
| QVariant QQuickIconLoader::loadFromImageProvider(const QUrl &url, const QQmlEngine *engine, |
| QVariant::Type type, QSize requestedSize) |
| { |
| const QString providerId = url.host(); |
| const QString imageId = url.toString(QUrl::RemoveScheme | QUrl::RemoveAuthority).mid(1); |
| QQuickImageProvider::ImageType imageType = QQuickImageProvider::Invalid; |
| auto *provider = static_cast<QQuickImageProvider *>(engine->imageProvider(providerId)); |
| QSize size; |
| if (!requestedSize.isValid()) |
| requestedSize = QSize(GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON)); |
| if (provider) |
| imageType = provider->imageType(); |
| QPixmap pixmap; |
| switch (imageType) { |
| case QQuickImageProvider::Image: { |
| QImage image = provider->requestImage(imageId, &size, requestedSize); |
| if (!image.isNull()) |
| pixmap = QPixmap::fromImage(image); |
| } |
| break; |
| case QQuickImageProvider::Pixmap: |
| pixmap = provider->requestPixmap(imageId, &size, requestedSize); |
| break; |
| default: |
| break; |
| } |
| if (!pixmap.isNull()) { |
| switch (type) { |
| case QMetaType::QIcon: |
| return QVariant(QIcon(pixmap)); |
| case QMetaType::QPixmap: |
| return QVariant(pixmap); |
| default: |
| qWarning("%s: Unsupported type: %d", Q_FUNC_INFO, int(type)); |
| break; |
| } |
| } |
| return QVariant(); |
| } |
| |
| QQuickIconLoaderNetworkReplyHandler::QQuickIconLoaderNetworkReplyHandler(QNetworkReply *reply, QVariant::Type type) |
| : QObject(reply) |
| , m_type(type) |
| { |
| connect(reply, &QNetworkReply::finished, this, &QQuickIconLoaderNetworkReplyHandler::onRequestFinished); |
| } |
| |
| void QQuickIconLoaderNetworkReplyHandler::onRequestFinished() |
| { |
| auto *reply = qobject_cast<QNetworkReply *>(sender()); |
| Q_ASSERT(reply); |
| if (reply->error() != QNetworkReply::NoError) { |
| qWarning() << Q_FUNC_INFO << reply->url() << "failed:" << reply->errorString(); |
| return; |
| } |
| const QByteArray data = reply->readAll(); |
| QPixmap pixmap; |
| if (pixmap.loadFromData(data)) { |
| switch (m_type) { |
| case QMetaType::QIcon: |
| emit finished(QVariant(QIcon(pixmap))); |
| break; |
| case QMetaType::QPixmap: |
| emit finished(QVariant(pixmap)); |
| break; |
| default: |
| qWarning("%s: Unsupported type: %d", Q_FUNC_INFO, int(m_type)); |
| break; |
| } |
| } |
| reply->deleteLater(); |
| } |
| |
| QT_END_NAMESPACE |