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//===========================================
// Lumina-DE source code
// Copyright (c) 2013-2017, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "LFileInfo.h"
#include <LUtils.h>
LFileInfo::LFileInfo() : QFileInfo(){
desk = 0;
}
LFileInfo::LFileInfo(QString filepath) : QFileInfo(){ //overloaded contructor
desk = 0;
this->setFile(filepath);
loadExtraInfo();
}
LFileInfo::LFileInfo(QFileInfo info) : QFileInfo(){ //overloaded contructor
desk = 0;
this->swap(info); //use the given QFileInfo without re-loading it
loadExtraInfo();
}
LFileInfo::~LFileInfo(){
if(desk!=0){ desk->deleteLater(); }
}
//Need some extra information not usually available by a QFileInfo
void LFileInfo::loadExtraInfo(){
if(desk!=0){ desk->deleteLater(); }
desk = 0;
//Now load the extra information
if(this->absoluteFilePath().startsWith("/net/") || this->isDir() ){
mime = "inode/directory";
//Special directory icons
QString name = this->fileName().toLower();
if(name=="desktop"){ icon = "user-desktop"; }
else if(name=="tmp"){ icon = "folder-temp"; }
else if(name=="video" || name=="videos"){ icon = "folder-video"; }
else if(name=="music" || name=="audio"){ icon = "folder-sound"; }
else if(name=="projects" || name=="devel"){ icon = "folder-development"; }
else if(name=="notes"){ icon = "folder-txt"; }
else if(name=="downloads"){ icon = "folder-downloads"; }
else if(name=="documents"){ icon = "folder-documents"; }
else if(name=="images" || name=="pictures"){ icon = "folder-image"; }
else if(this->absoluteFilePath().startsWith("/net/")){ icon = "folder-remote"; }
else if( !this->isReadable() ){ icon = "folder-locked"; }
}else if( this->suffix()=="desktop"){
mime = "application/x-desktop";
icon = "application-x-desktop"; //default value
desk = new XDGDesktop(this->absoluteFilePath(), 0);
if(desk->type!=XDGDesktop::BAD){
//use the specific desktop file info (if possible)
if(!desk->icon.isEmpty()){ icon = desk->icon; }
}
}else{
//Generic file, just determine the mimetype
mime = LXDG::findAppMimeForFile(this->fileName());
}
}
bool LFileInfo::zfsAvailable(){
static unsigned int avail = 2;
if(avail == 2){ avail = (LUtils::isValidBinary("zfs") ? 0 : 1); }
return (avail == 0);
}
void LFileInfo::getZfsDataset(){
if(zfs_ds.isEmpty()){
//First run - need to probe the current directory
bool ok = false;
//Use the "atime" property for this check - been around since the earliest versions of ZFS and should take no time to probe
QString out = LUtils::runCommand(ok, "zfs", QStringList() << "get" << "-H" << "atime" << this->canonicalFilePath() );
if(!ok){ zfs_ds = "."; } //just something that is not empty - but is clearly not a valid dataset
else{ zfs_ds = out.section("\n",0,0).section("\t",0,0).simplified(); }
//qDebug() << "Found Dataset:" << zfs_ds << out << ok;
}
}
bool LFileInfo::goodZfsDataset(){
if(!zfsAvailable()){ return false; }
getZfsDataset(); //ensure this field is populated
if(zfs_ds=="." || zfs_ds.isEmpty()){ return false; }
return true;
}
//Functions for accessing the extra information
// -- Return the mimetype for the file
QString LFileInfo::mimetype(){
if(mime=="inode/directory"){ return ""; }
else{ return mime; }
}
// -- Return the icon to use for this file
QString LFileInfo::iconfile(){
if(!icon.isEmpty()){
return icon;
}else if(!mime.isEmpty()){
QString tmp = mime;
tmp.replace("/","-");
return tmp;
}else if(this->isExecutable()){
return "application-x-executable";
}
return ""; //Fall back to nothing
}
// -- Check if this is an XDG desktop file
bool LFileInfo::isDesktopFile(){
if(desk==0){ return false; }
return (!desk->filePath.isEmpty());
}
// -- Allow access to the XDG desktop data structure
XDGDesktop* LFileInfo::XDG(){
return desk;
}
// -- Check if this is a readable video file (for thumbnail support)
bool LFileInfo::isVideo(){
if(!mime.startsWith("video/")){ return false; }
//Check the hardcoded list of known supported video formats to see if the thumbnail can be generated
return ( !LUtils::videoExtensions().filter(this->suffix().toLower()).isEmpty() );
}
// -- Check if this is a readable image file
bool LFileInfo::isImage(){
if(!mime.startsWith("image/")){ return false; } //quick return for non-image files
//Check the Qt subsystems to see if this image file can be read
return ( !LUtils::imageExtensions().filter(this->suffix().toLower()).isEmpty() );
}
bool LFileInfo::isAVFile(){
return (mime.startsWith("audio/") || mime.startsWith("video/") );
}
bool LFileInfo::isZfsDataset(){
if(!goodZfsDataset()){ return false; }
return ( ("/"+zfs_ds.section("/",1,-1)) == this->canonicalFilePath());
}
QString LFileInfo::zfsPool(){
if(!goodZfsDataset()){ return ""; }
return zfs_ds.section("/",0,0);
}
QStringList LFileInfo::zfsSnapshots(){
if(!goodZfsDataset()){ return QStringList(); }
QString relpath = this->canonicalFilePath().remove(0, QString("/"+zfs_ds.section("/",1,-1)).length() );
//qDebug() << "Got Relative path:" << zfs_ds << this->canonicalFilePath() << relpath;
QDir dir("/"+zfs_ds.section("/",1,-1)+"/.zfs/snapshot/");
QStringList snaps = dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::Time);
for(int i=0; i<snaps.length(); i++){
if( QFile::exists(dir.absoluteFilePath(snaps[i])+relpath) ){ snaps[i].append("::::" + dir.absoluteFilePath(snaps[i])+relpath ); }
else{ snaps.removeAt(i); i--; }
}
return snaps;
}
QJsonObject LFileInfo::zfsProperties(){
QJsonObject props;
if(!goodZfsDataset()){ return props; }
bool ok = false;
QStringList out = LUtils::runCommand(ok, "zfs", QStringList() << "get" << "-H" << "all" << zfs_ds).split("\n");
//Note: Formating of zfs output: tab-delimited, with columns [dataset, property, value, source]
for(int i=0; i<out.length() && ok; i++){
if(out[i].simplified().isEmpty()){ continue; }
QJsonObject prop;
prop.insert("property", out[i].section("\t",1,1).simplified());
prop.insert("value", out[i].section("\t",2,2).simplified());
prop.insert("source", out[i].section("\t",3,-1).simplified());
props.insert(prop.value("property").toString(), prop);
}
return props;
}
bool LFileInfo::zfsSetProperty(QString property, QString value){
if(!goodZfsDataset()){ return false; }
bool ok = false;
QString info = LUtils::runCommand(ok, "zfs", QStringList() << "set" << property+"="+value << zfs_ds);
if(!ok){ qDebug() << "Error Setting ZFS Property:" << property+"="+value << info; }
return ok;
}
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