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Add FileType singleton

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This singleton is used to get the mimetype info for files as well as supported formats for Images and AnimatedImages
This commit is contained in:
Noah Davis
2021-01-03 13:38:14 -05:00
parent f232c40955
commit 50d8bd5b7e
4 changed files with 182 additions and 0 deletions
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1
src/CMakeLists.txt
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@@ -17,6 +17,7 @@ add_executable(neochat
sortfilterroomlistmodel.cpp
chatdocumenthandler.cpp
devicesmodel.cpp
filetypesingleton.cpp
../res.qrc
)

114
src/filetypesingleton.cpp Normal file
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@@ -0,0 +1,114 @@
/* SPDX-FileCopyrightText: 2021 Noah Davis <noahadvs@gmail.com>
* SPDX-License-Identifier: LicenseRef-KDE-Accepted-LGPL
*/
#include "filetypesingleton.h"
#include <QImageReader>
#include <QMovie>
static QStringList byteArrayListToStringList(const QByteArrayList &byteArrayList)
{
QStringList stringList;
for(const QByteArray &byteArray : byteArrayList) {
stringList.append(QString::fromLocal8Bit(byteArray));
}
return stringList;
}
class FileTypeSingletonPrivate
{
Q_DECLARE_PUBLIC(FileTypeSingleton)
Q_DISABLE_COPY(FileTypeSingletonPrivate)
public:
FileTypeSingletonPrivate(FileTypeSingleton *qq);
FileTypeSingleton * const q_ptr;
QMimeDatabase mimetypeDatabase;
QStringList supportedImageFormats = byteArrayListToStringList(QImageReader::supportedImageFormats());
QStringList supportedAnimatedImageFormats = byteArrayListToStringList(QMovie::supportedFormats());
};
FileTypeSingletonPrivate::FileTypeSingletonPrivate(FileTypeSingleton* qq) : q_ptr(qq)
{
}
FileTypeSingleton::FileTypeSingleton(QObject* parent)
: QObject(parent)
, d_ptr(new FileTypeSingletonPrivate(this))
{
}
FileTypeSingleton::~FileTypeSingleton() noexcept
{
}
QMimeType FileTypeSingleton::mimeTypeForName(const QString& nameOrAlias) const
{
Q_D(const FileTypeSingleton);
return d->mimetypeDatabase.mimeTypeForName(nameOrAlias);
}
QMimeType FileTypeSingleton::mimeTypeForFile(const QString& fileName, MatchMode mode) const
{
Q_D(const FileTypeSingleton);
return d->mimetypeDatabase.mimeTypeForFile(fileName, static_cast<QMimeDatabase::MatchMode>(mode));
}
QMimeType FileTypeSingleton::mimeTypeForFile(const QFileInfo& fileInfo, MatchMode mode) const
{
Q_D(const FileTypeSingleton);
return d->mimetypeDatabase.mimeTypeForFile(fileInfo, static_cast<QMimeDatabase::MatchMode>(mode));
}
QList<QMimeType> FileTypeSingleton::mimeTypesForFileName(const QString& fileName) const
{
Q_D(const FileTypeSingleton);
return d->mimetypeDatabase.mimeTypesForFileName(fileName);
}
QMimeType FileTypeSingleton::mimeTypeForData(const QByteArray& data) const
{
Q_D(const FileTypeSingleton);
return d->mimetypeDatabase.mimeTypeForData(data);
}
QMimeType FileTypeSingleton::mimeTypeForData(QIODevice* device) const
{
Q_D(const FileTypeSingleton);
return d->mimetypeDatabase.mimeTypeForData(device);
}
QMimeType FileTypeSingleton::mimeTypeForUrl(const QUrl& url) const
{
Q_D(const FileTypeSingleton);
return d->mimetypeDatabase.mimeTypeForUrl(url);
}
QMimeType FileTypeSingleton::mimeTypeForFileNameAndData(const QString& fileName, QIODevice* device) const
{
Q_D(const FileTypeSingleton);
return d->mimetypeDatabase.mimeTypeForFileNameAndData(fileName, device);
}
QMimeType FileTypeSingleton::mimeTypeForFileNameAndData(const QString& fileName, const QByteArray& data) const
{
Q_D(const FileTypeSingleton);
return d->mimetypeDatabase.mimeTypeForFileNameAndData(fileName, data);
}
QString FileTypeSingleton::suffixForFileName(const QString& fileName) const
{
Q_D(const FileTypeSingleton);
return d->mimetypeDatabase.suffixForFileName(fileName);
}
QStringList FileTypeSingleton::supportedImageFormats() const
{
Q_D(const FileTypeSingleton);
return d->supportedImageFormats;
}
QStringList FileTypeSingleton::supportedAnimatedImageFormats() const
{
Q_D(const FileTypeSingleton);
return d->supportedAnimatedImageFormats;
}

63
src/filetypesingleton.h Normal file
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@@ -0,0 +1,63 @@
/* SPDX-FileCopyrightText: 2015 Klaralvdalens Datakonsult AB
* SPDX-FileCopyrightText: 2016 The Qt Company Ltd.
* SPDX-FileCopyrightText: 2021 Noah Davis <noahadvs@gmail.com>
* SPDX-License-Identifier: LicenseRef-KDE-Accepted-LGPL
*/
#ifndef FILETYPESINGLETON_H
#define FILETYPESINGLETON_H
#include <QObject>
#include <qqml.h>
#include <QMimeDatabase>
class FileTypeSingletonPrivate;
class FileTypeSingleton : public QObject
{
Q_OBJECT
Q_PROPERTY(QStringList supportedImageFormats READ supportedImageFormats CONSTANT FINAL)
Q_PROPERTY(QStringList supportedAnimatedImageFormats READ supportedAnimatedImageFormats CONSTANT FINAL)
QML_NAMED_ELEMENT(FileType)
QML_SINGLETON
public:
explicit FileTypeSingleton(QObject *parent = nullptr);
~FileTypeSingleton();
// Most of the code in this public section was copy/pasted from qmimedatabase.h
Q_INVOKABLE QMimeType mimeTypeForName(const QString &nameOrAlias) const;
enum MatchMode {
MatchDefault,
MatchExtension,
MatchContent
};
Q_ENUM(MatchMode)
Q_INVOKABLE QMimeType mimeTypeForFile(const QString &fileName, MatchMode mode = MatchDefault) const;
Q_INVOKABLE QMimeType mimeTypeForFile(const QFileInfo &fileInfo, MatchMode mode = MatchDefault) const;
Q_INVOKABLE QList<QMimeType> mimeTypesForFileName(const QString &fileName) const;
Q_INVOKABLE QMimeType mimeTypeForData(const QByteArray &data) const;
Q_INVOKABLE QMimeType mimeTypeForData(QIODevice *device) const;
Q_INVOKABLE QMimeType mimeTypeForUrl(const QUrl &url) const;
Q_INVOKABLE QMimeType mimeTypeForFileNameAndData(const QString &fileName, QIODevice *device) const;
Q_INVOKABLE QMimeType mimeTypeForFileNameAndData(const QString &fileName, const QByteArray &data) const;
Q_INVOKABLE QString suffixForFileName(const QString &fileName) const;
// These return a list of file extentions, not mimetypes
QStringList supportedImageFormats() const;
QStringList supportedAnimatedImageFormats() const;
private:
const QScopedPointer<FileTypeSingletonPrivate> d_ptr;
Q_DECLARE_PRIVATE(FileTypeSingleton)
Q_DISABLE_COPY(FileTypeSingleton)
};
QML_DECLARE_TYPE(FileTypeSingleton)
#endif // MIMETYPESINGLETON_H

4
src/main.cpp
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@@ -31,6 +31,7 @@
#include "csapi/leaving.h"
#include "devicesmodel.h"
#include "emojimodel.h"
#include "filetypesingleton.h"
#include "matriximageprovider.h"
#include "messageeventmodel.h"
#include "neochatconfig.h"
@@ -89,10 +90,12 @@ int main(int argc, char *argv[])
Clipboard clipboard;
auto config = NeoChatConfig::self();
FileTypeSingleton fileTypeSingleton;
qmlRegisterSingletonInstance("org.kde.neochat", 1, 0, "Controller", &Controller::instance());
qmlRegisterSingletonInstance("org.kde.neochat", 1, 0, "Clipboard", &clipboard);
qmlRegisterSingletonInstance("org.kde.neochat", 1, 0, "Config", config);
qmlRegisterSingletonInstance("org.kde.neochat", 1, 0, "FileType", &fileTypeSingleton);
qmlRegisterType<AccountListModel>("org.kde.neochat", 1, 0, "AccountListModel");
qmlRegisterType<ChatDocumentHandler>("org.kde.neochat", 1, 0, "ChatDocumentHandler");
qmlRegisterType<RoomListModel>("org.kde.neochat", 1, 0, "RoomListModel");
@@ -116,6 +119,7 @@ int main(int argc, char *argv[])
qRegisterMetaType<NeoChatRoom *>("NeoChatRoom*");
qRegisterMetaType<NeoChatUser *>("NeoChatUser*");
qRegisterMetaType<GetRoomEventsJob *>("GetRoomEventsJob*");
qRegisterMetaType<QMimeType>("QMimeType");
qRegisterMetaTypeStreamOperators<Emoji>();