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//===========================================
// Lumina-desktop source code
// Copyright (c) 2017, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "plugins-screensaver.h"
#include <QJsonDocument>
#include <QJsonArray>
#include <QFile>
#include <QDir>
#include <QDebug>
//Relative directory to search along the XDG paths for screensavers
#define REL_DIR QString("/lumina-desktop/screensavers")
// ============
// SS PLUGIN
// ============
SSPlugin::SSPlugin(){
}
SSPlugin::~SSPlugin(){
}
void SSPlugin::loadFile(QString path){
data = QJsonObject();
currentfile = path;
QFile file(path);
if(!file.exists() || !file.open(QIODevice::ReadOnly)){ return; }
data = QJsonDocument::fromJson(file.readAll()).object();
file.close();
}
bool SSPlugin::isLoaded(){
return !data.isEmpty();
}
bool SSPlugin::isValid(){
if(data.isEmpty()){ return false; }
bool ok = data.contains("name") && data.contains("qml") && data.contains("description");
if(ok){
//go to the next name level and see if required sub-items exist
QJsonObject tmp = data.value("name").toObject();
ok = tmp.contains("default");
}
if(ok){
//go to the next description level and see if required sub-items exist
QJsonObject tmp = data.value("description").toObject();
ok = tmp.contains("default");
}
if(ok){
//go to the next qml level and see if required sub-items exist
QJsonObject tmp = data.value("qml").toObject();
QStringList mustexist;
QString exec = tmp.value("exec").toString();
if(exec.isEmpty() || !exec.endsWith(".qml")){ return false; }
mustexist << exec;
QJsonArray tmpA = data.value("additional_files").toArray();
for(int i=0; i<tmpA.count(); i++){ mustexist << tmpA[i].toString(); }
QString reldir = currentfile.section("/",0,-2) + "/";
//qDebug() << "Got MustExist:" << mustexist << reldir;
for(int i=0; i<mustexist.length() && ok; i++){
if(mustexist[i].startsWith("/")){ ok = QFile::exists(mustexist[i]); }
else { ok = QFile::exists(reldir+mustexist[i]); }
}
}
return ok;
}
QString SSPlugin::translatedName(){
QJsonObject tmp = data.value("name").toObject();
//Get the current locale
QString locale = getenv("LC_ALL");
if(locale.isEmpty()){ locale = getenv("LC_MESSAGES"); }
if(locale.isEmpty()){ locale = getenv("LANG"); }
if(locale.isEmpty()){ locale = "default"; }
if(locale.contains(".")){ locale = locale.section(".",0,0); } //chop any charset code off the end
//Now find which localized string is available and return it
if(tmp.contains(locale)){ return tmp.value(locale).toString(); }
locale = locale.section("_",0,0); //full locale not found - look for shortened form
if(tmp.contains(locale)){ return tmp.value(locale).toString(); }
return tmp.value("default").toString(); //use the default version
}
QString SSPlugin::translatedDescription(){
QJsonObject tmp = data.value("description").toObject();
//Get the current locale
QString locale = getenv("LC_ALL");
if(locale.isEmpty()){ locale = getenv("LC_MESSAGES"); }
if(locale.isEmpty()){ locale = getenv("LANG"); }
if(locale.isEmpty()){ locale = "default"; }
if(locale.contains(".")){ locale = locale.section(".",0,0); } //chop any charset code off the end
//Now find which localized string is available and return it
if(tmp.contains(locale)){ return tmp.value(locale).toString(); }
locale = locale.section("_",0,0); //full locale not found - look for shortened form
if(tmp.contains(locale)){ return tmp.value(locale).toString(); }
return tmp.value("default").toString(); //use the default version
}
QUrl SSPlugin::scriptURL(){
QString exec = data.value("qml").toObject().value("exec").toString();
//qDebug() << "got exec:" << exec;
if(!exec.startsWith("/")){ exec.prepend( currentfile.section("/",0,-2)+"/" ); }
return QUrl::fromLocalFile(exec);
}
// ===================
// SS PLUGIN SYSTEM
// ===================
SSPlugin SSPluginSystem::findPlugin(QString name){
SSPlugin SSP;
if(name.startsWith("/") && QFile::exists(name)){ SSP.loadFile(name); return SSP;} //absolute path give - just load that one
//Cleanup the input name and ensure it has the right suffix
name = name.section("/",-1);
if(!name.endsWith(".json")){ name.append(".json"); }
//Get the list of directories to search
QStringList dirs;
dirs << QString(getenv("XDG_DATA_HOME")) << QString(getenv("XDG_DATA_DIRS")).split(":");
//Look for that file within these directories and return the first one found
for(int i=0; i<dirs.length(); i++){
if(!QFile::exists(dirs[i]+REL_DIR+"/"+name)){ continue; }
SSP.loadFile(dirs[i]+REL_DIR+"/"+name);
if(SSP.isValid()){ break; } //got a good one - stop here
}
return SSP;
}
QList<SSPlugin> SSPluginSystem::findAllPlugins(bool validonly){
QList<SSPlugin> LIST;
//Get the list of directories to search
QStringList dirs;
dirs << QString(getenv("XDG_DATA_HOME")) << QString(getenv("XDG_DATA_DIRS")).split(":");
//Look for that file within these directories and return the first one found
for(int i=0; i<dirs.length(); i++){
if(!QFile::exists(dirs[i]+REL_DIR)){ continue; }
QDir dir(dirs[i]+REL_DIR);
QStringList files = dir.entryList(QStringList() << "*.json", QDir::Files, QDir::Name);
//qDebug() << "Found Files:" << files;
for(int j=0; j<files.length(); j++){
SSPlugin tmp;
tmp.loadFile(dir.absoluteFilePath(files[j]));
//qDebug() << "Loaded File:" << files[j] << tmp.isValid();
if(!validonly || tmp.isValid()){ LIST << tmp; }
}
}
return LIST;
}
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