| 1 | // Copyright (C) 2018 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QQMLPREVIEWFILELOADER_H |
| 5 | #define QQMLPREVIEWFILELOADER_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include "qqmlpreviewblacklist.h" |
| 19 | |
| 20 | #include <QtCore/qobject.h> |
| 21 | #include <QtCore/qthread.h> |
| 22 | #include <QtCore/qmutex.h> |
| 23 | #include <QtCore/qwaitcondition.h> |
| 24 | #include <QtCore/qvector.h> |
| 25 | #include <QtCore/qurl.h> |
| 26 | #include <QtCore/qpointer.h> |
| 27 | #include <QtCore/qset.h> |
| 28 | |
| 29 | QT_BEGIN_NAMESPACE |
| 30 | |
| 31 | class QQmlPreviewServiceImpl; |
| 32 | class QQmlPreviewFileLoader : public QObject |
| 33 | { |
| 34 | Q_OBJECT |
| 35 | public: |
| 36 | enum Result { |
| 37 | File, |
| 38 | Directory, |
| 39 | Fallback, |
| 40 | Unknown |
| 41 | }; |
| 42 | |
| 43 | QQmlPreviewFileLoader(QQmlPreviewServiceImpl *service); |
| 44 | ~QQmlPreviewFileLoader(); |
| 45 | |
| 46 | QMutex *loadMutex() { return &m_loadMutex; } |
| 47 | Result load(const QString &file); |
| 48 | |
| 49 | QByteArray contents(); |
| 50 | QStringList entries(); |
| 51 | |
| 52 | void whitelist(const QUrl &url); |
| 53 | bool isBlacklisted(const QString &file); |
| 54 | |
| 55 | Q_SIGNALS: |
| 56 | void request(const QString &file); |
| 57 | |
| 58 | private: |
| 59 | QMutex m_loadMutex; |
| 60 | QMutex m_contentMutex; |
| 61 | QWaitCondition m_waitCondition; |
| 62 | |
| 63 | QThread m_thread; |
| 64 | QPointer<QQmlPreviewServiceImpl> m_service; |
| 65 | |
| 66 | QString m_path; |
| 67 | QByteArray m_contents; |
| 68 | QStringList m_entries; |
| 69 | Result m_result; |
| 70 | |
| 71 | QQmlPreviewBlacklist m_blacklist; |
| 72 | QHash<QString, QByteArray> m_fileCache; |
| 73 | QHash<QString, QStringList> m_directoryCache; |
| 74 | |
| 75 | void file(const QString &file, const QByteArray &contents); |
| 76 | void directory(const QString &file, const QStringList &entries); |
| 77 | void error(const QString &file); |
| 78 | void clearCache(); |
| 79 | }; |
| 80 | |
| 81 | QT_END_NAMESPACE |
| 82 | |
| 83 | #endif // QQMLPREVIEWFILELOADER_H |
| 84 |