| /**************************************************************************** |
| ** |
| ** Copyright (C) 2019 Volker Krause <vkrause@kde.org> |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the plugins of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
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| ** |
| ** 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 |
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| ** information to ensure the GNU General Public License requirements will |
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| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "androidcontentfileengine.h" |
| |
| #include <private/qjni_p.h> |
| #include <private/qjnihelpers_p.h> |
| |
| #include <QDebug> |
| |
| AndroidContentFileEngine::AndroidContentFileEngine(const QString &f) |
| : m_file(f) |
| { |
| setFileName(f); |
| } |
| |
| bool AndroidContentFileEngine::open(QIODevice::OpenMode openMode) |
| { |
| QString openModeStr; |
| if (openMode & QFileDevice::ReadOnly) { |
| openModeStr += QLatin1Char('r'); |
| } |
| if (openMode & QFileDevice::WriteOnly) { |
| openModeStr += QLatin1Char('w'); |
| } |
| if (openMode & QFileDevice::Truncate) { |
| openModeStr += QLatin1Char('t'); |
| } else if (openMode & QFileDevice::Append) { |
| openModeStr += QLatin1Char('a'); |
| } |
| |
| const auto fd = QJNIObjectPrivate::callStaticMethod<jint>("org/qtproject/qt5/android/QtNative", |
| "openFdForContentUrl", |
| "(Landroid/content/Context;Ljava/lang/String;Ljava/lang/String;)I", |
| QtAndroidPrivate::context(), |
| QJNIObjectPrivate::fromString(fileName(DefaultName)).object(), |
| QJNIObjectPrivate::fromString(openModeStr).object()); |
| |
| if (fd < 0) { |
| return false; |
| } |
| |
| return QFSFileEngine::open(openMode, fd, QFile::AutoCloseHandle); |
| } |
| |
| qint64 AndroidContentFileEngine::size() const |
| { |
| const jlong size = QJNIObjectPrivate::callStaticMethod<jlong>( |
| "org/qtproject/qt5/android/QtNative", "getSize", |
| "(Landroid/content/Context;Ljava/lang/String;)J", QtAndroidPrivate::context(), |
| QJNIObjectPrivate::fromString(fileName(DefaultName)).object()); |
| return (qint64)size; |
| } |
| |
| AndroidContentFileEngine::FileFlags AndroidContentFileEngine::fileFlags(FileFlags type) const |
| { |
| FileFlags commonFlags(ReadOwnerPerm|ReadUserPerm|ReadGroupPerm|ReadOtherPerm|ExistsFlag); |
| FileFlags flags; |
| const bool isDir = QJNIObjectPrivate::callStaticMethod<jboolean>( |
| "org/qtproject/qt5/android/QtNative", "checkIfDir", |
| "(Landroid/content/Context;Ljava/lang/String;)Z", QtAndroidPrivate::context(), |
| QJNIObjectPrivate::fromString(fileName(DefaultName)).object()); |
| // If it is a directory then we know it exists so there is no reason to explicitly check |
| const bool exists = isDir ? true : QJNIObjectPrivate::callStaticMethod<jboolean>( |
| "org/qtproject/qt5/android/QtNative", "checkFileExists", |
| "(Landroid/content/Context;Ljava/lang/String;)Z", QtAndroidPrivate::context(), |
| QJNIObjectPrivate::fromString(fileName(DefaultName)).object()); |
| if (!exists && !isDir) |
| return flags; |
| if (isDir) |
| flags = DirectoryType | commonFlags; |
| else |
| flags = FileType | commonFlags; |
| return type & flags; |
| } |
| |
| QString AndroidContentFileEngine::fileName(FileName f) const |
| { |
| switch (f) { |
| case PathName: |
| case AbsolutePathName: |
| case CanonicalPathName: |
| case DefaultName: |
| case AbsoluteName: |
| case CanonicalName: |
| return m_file; |
| case BaseName: |
| { |
| const int pos = m_file.lastIndexOf(QChar(QLatin1Char('/'))); |
| return m_file.mid(pos); |
| } |
| default: |
| return QString(); |
| } |
| } |
| |
| QAbstractFileEngine::Iterator *AndroidContentFileEngine::beginEntryList(QDir::Filters filters, const QStringList &filterNames) |
| { |
| return new AndroidContentFileEngineIterator(filters, filterNames); |
| } |
| |
| QAbstractFileEngine::Iterator *AndroidContentFileEngine::endEntryList() |
| { |
| return nullptr; |
| } |
| |
| AndroidContentFileEngineHandler::AndroidContentFileEngineHandler() = default; |
| AndroidContentFileEngineHandler::~AndroidContentFileEngineHandler() = default; |
| |
| QAbstractFileEngine* AndroidContentFileEngineHandler::create(const QString &fileName) const |
| { |
| if (!fileName.startsWith(QLatin1String("content"))) { |
| return nullptr; |
| } |
| |
| return new AndroidContentFileEngine(fileName); |
| } |
| |
| AndroidContentFileEngineIterator::AndroidContentFileEngineIterator(QDir::Filters filters, |
| const QStringList &filterNames) |
| : QAbstractFileEngineIterator(filters, filterNames) |
| { |
| } |
| |
| AndroidContentFileEngineIterator::~AndroidContentFileEngineIterator() |
| { |
| } |
| |
| QString AndroidContentFileEngineIterator::next() |
| { |
| if (!hasNext()) |
| return QString(); |
| ++m_index; |
| return currentFilePath(); |
| } |
| |
| bool AndroidContentFileEngineIterator::hasNext() const |
| { |
| if (m_index == -1) { |
| if (path().isEmpty()) |
| return false; |
| const bool isDir = QJNIObjectPrivate::callStaticMethod<jboolean>( |
| "org/qtproject/qt5/android/QtNative", "checkIfDir", |
| "(Landroid/content/Context;Ljava/lang/String;)Z", |
| QtAndroidPrivate::context(), |
| QJNIObjectPrivate::fromString(path()).object()); |
| if (isDir) { |
| QJNIObjectPrivate objArray = QJNIObjectPrivate::callStaticObjectMethod("org/qtproject/qt5/android/QtNative", |
| "listContentsFromTreeUri", |
| "(Landroid/content/Context;Ljava/lang/String;)[Ljava/lang/String;", |
| QtAndroidPrivate::context(), |
| QJNIObjectPrivate::fromString(path()).object()); |
| if (objArray.isValid()) { |
| QJNIEnvironmentPrivate env; |
| const jsize length = env->GetArrayLength(static_cast<jarray>(objArray.object())); |
| for (int i = 0; i != length; ++i) { |
| m_entries << QJNIObjectPrivate(env->GetObjectArrayElement( |
| static_cast<jobjectArray>(objArray.object()), i)).toString(); |
| } |
| } |
| } |
| m_index = 0; |
| } |
| return m_index < m_entries.size(); |
| } |
| |
| QString AndroidContentFileEngineIterator::currentFileName() const |
| { |
| if (m_index <= 0 || m_index > m_entries.size()) |
| return QString(); |
| return m_entries.at(m_index - 1); |
| } |