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//===========================================
// Lumina-DE source code
// Copyright (c) 2013, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
// These structures/classes are for conforming to the FreeDesktop standards
// REFERENCE: (*.desktop files) http://standards.freedesktop.org/desktop-entry-spec/latest/ar01s05.html
// -- Current Implementation (OCT 2013) --
// Desktop File Version Compliance: 1.0 (except "DBusActivatable")
// Icon Theme Compliance: Built in to Qt (QIcon::fromTheme()) with "oxygen" theme default
// *.desktop Exec Compliance Updated: 9/9/2014
// Mime Application Version Compliance: 1.0.1 (11/14/14) (Skips random *.desktop parsing: ~80% compliant)
//===========================================
#ifndef _LUMINA_LIBRARY_XDG_H
#define _LUMINA_LIBRARY_XDG_H
#include <QFile>
#include <QFileSystemWatcher>
#include <QDir>
#include <QFileInfo>
#include <QStringList>
#include <QString>
#include <QIcon>
#include <QList>
#include <QHash>
#include <QLocale>
#include <QTextStream>
#include <QDateTime>
#include <QDebug>
// ======================
// FreeDesktop Desktop Actions Framework (data structure)
// ======================
struct XDGDesktopAction{
//public:
//Admin variables
QString ID; //The ID name for this action (should correspond to an entry in the "actionList" for the XDGDesktop below)
//General Variables
QString name, icon, exec;
};
// ======================
// FreeDesktop Desktop Entry Framework (data structure)
// ======================
struct XDGDesktop{
//public:
enum XDGDesktopType { BAD, APP, LINK, DIR };
//Admin variables
QString filePath; //which file this structure contains the information for (absolute path)
QDateTime lastRead; //when this structure was created from the file
XDGDesktopType type;
//General variables
QString name, genericName, comment, icon;
QStringList showInList, notShowInList;
bool isHidden;
//Type 1 (APP) variables
QString exec, tryexec, path, startupWM;
QStringList actionList, mimeList, catList, keyList;
bool useTerminal, startupNotify;
QList<XDGDesktopAction> actions;
//Type 2 (LINK) variables
QString url;
//Constructor/destructor
XDGDesktop(){}
~XDGDesktop(){
actions.clear();
showInList.clear(); notShowInList.clear(); actionList.clear(); mimeList.clear(); catList.clear(); keyList.clear();
name.clear(); genericName.clear(); comment.clear(); icon.clear();
exec.clear(); tryexec.clear(); path.clear(); startupWM.clear(); url.clear();
}
};
// ========================
// Data Structure for keeping track of known system applications
// ========================
class XDGDesktopList : public QObject{
Q_OBJECT
public:
//Functions
XDGDesktopList(QObject *parent = 0, bool watchdirs = false);
~XDGDesktopList();
//Main Interface functions
QList<XDGDesktop> apps(bool showAll, bool showHidden); //showAll: include invalid files, showHidden: include NoShow/Hidden files
//Administration variables (not typically used directly)
QDateTime lastCheck;
QStringList newApps, removedApps; //list of "new/removed" apps found during the last check
QHash<QString, XDGDesktop> files; //<filepath>/<XDGDesktop structure>
public slots:
void updateList(); //run the check routine
private:
QFileSystemWatcher *watcher;
QTimer *synctimer;
bool keepsynced;
private slots:
void watcherChanged();
signals:
void appsUpdated();
};
// ========================
// File Information simplification class (combine QFileInfo with XDGDesktop)
// Need some extra information not usually available by a QFileInfo
// ========================
class LFileInfo : public QFileInfo{
private:
QString mime, icon;
XDGDesktop desk;
void loadExtraInfo();
public:
//Couple overloaded contructors
LFileInfo(QString filepath);
LFileInfo(QFileInfo info);
~LFileInfo(){}
//Functions for accessing the extra information
// -- Return the mimetype for the file
QString mimetype();
// -- Return the icon file to use for this file
QString iconfile(); //Note: This string is auto-formatted for use in the LXDG::findIcon() routine.
// -- Check if this is an XDG desktop file
bool isDesktopFile();
// -- Allow access to the internal XDG desktop data structure
XDGDesktop* XDG();
//Other file type identification routines
bool isImage(); //Is a readable image file (for thumbnail support)
bool isAVFile(); //Is an audio/video file
};
typedef QList<LFileInfo> LFileInfoList;
// ================================
// Collection of FreeDesktop standards interaction routines
// ================================
class LXDG{
public:
//Read/write a *.desktop file
static XDGDesktop loadDesktopFile(QString filePath, bool& ok);
static bool saveDesktopFile(XDGDesktop dFile, bool merge = true);
//Check a *.desktop file for validity (showAll skips the DE-exclusivity checks)
static bool checkValidity(XDGDesktop dFile, bool showAll = true);
//Check for a valid executable
static bool checkExec(QString exec);
//Get a list of all the directories where *.desktop files exist
static QStringList systemApplicationDirs();
//Get a list of all the *.desktop files available on the system
static XDGDesktopList* systemAppsList(); //return a pointer to the entire class
static QList<XDGDesktop> systemDesktopFiles(bool showAll = false, bool showHidden = false); //simplification for getting just the files
//Sort a list of Desktop files into the proper categories
static QHash< QString, QList<XDGDesktop> > sortDesktopCats(QList<XDGDesktop> apps);
//Return the icon to use for the given category
static QString DesktopCatToIcon(QString cat);
//Sort a list of Desktop files by name
static QList<XDGDesktop> sortDesktopNames(QList<XDGDesktop> apps);
//Get the executable line from a Desktop file
static QString getDesktopExec(XDGDesktop app, QString ActionID = "");
//Set all the default XDG Environment variables
static void setEnvironmentVars();
//Find an icon from the current/default theme
static QIcon findIcon(QString iconName, QString fallback = "");
//Recursivly compile a list of child directories with *.png files in them
static QStringList getChildIconDirs(QString parent);
//List all the mime-type directories
static QStringList systemMimeDirs();
//Find the mime-type icon for a particular file extension
static QIcon findMimeIcon(QString extension);
//Find the mime-type of a particular file extension
static QString findAppMimeForFile(QString filename, bool multiple = false);
//Find the file extension for a particular mime-type
static QStringList findFilesForMime(QString mime);
// Simplification function for finding all info regarding current mime defaults
static QStringList listFileMimeDefaults();
//Find the localized comment string for a particular mime-type
static QString findMimeComment(QString mime);
//Find the default application for a mime-type
static QString findDefaultAppForMime(QString mime);
//Fine the available applications for a mime-type
static QStringList findAvailableAppsForMime(QString mime);
//Set the default application for a mime-type
static void setDefaultAppForMime(QString mime, QString app);
//List all the registered audio/video file extensions
static QStringList findAVFileExtensions();
//Load all the "globs2" mime database files
static QStringList loadMimeFileGlobs2();
//Find all the autostart *.desktop files
static QList<XDGDesktop> findAutoStartFiles(bool includeInvalid = false);
static bool setAutoStarted(bool autostart, XDGDesktop app);
static bool setAutoStarted(bool autostart, QString filePath); //for convenience
};
#endif
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