Move the LFileInfo class into libLumina/LuminaXDG - this is very useful for files that may/may not be XDG desktop files (prevent re-reading files by trying to juggle two different data structures).

2 files changed, 132 insertions, 1 deletions

diff --git a/libLumina/LuminaXDG.cpp b/libLumina/LuminaXDG.cpp
index 473d8620..ca20eef5 100644
--- a/libLumina/LuminaXDG.cpp
+++ b/libLumina/LuminaXDG.cpp
@@ -1,6 +1,6 @@
 //===========================================
 //  Lumina-DE source code
-//  Copyright (c) 2013, Ken Moore
+//  Copyright (c) 2013-2015, Ken Moore
 //  Available under the 3-clause BSD license
 //  See the LICENSE file for full details
 //===========================================
@@ -13,6 +13,92 @@
 static QStringList mimeglobs;
 static qint64 mimechecktime;
 
+//==== LFileInfo Functions ====
+//Need some extra information not usually available by a QFileInfo
+void LFileInfo::loadExtraInfo(){
+  //Now load the extra information
+  if(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->isReadable() ){ icon = "folder-locked"; }
+  }else if( this->suffix()=="desktop"){
+    mime = "application/x-desktop";
+    icon = "application-x-desktop"; //default value
+    bool ok = false;
+    desk = LXDG::loadDesktopFile(this->absoluteFilePath(), ok);
+    if(ok){
+      //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());
+  }
+}
+LFileInfo::LFileInfo(QString filepath){ //overloaded contructor
+  this->setFile(filepath);
+  loadExtraInfo();
+}	
+LFileInfo::LFileInfo(QFileInfo info){ //overloaded contructor
+  this->swap(info); //use the given QFileInfo without re-loading it
+  loadExtraInfo();
+}		
+
+//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(){
+  return (!desk.filePath.isEmpty());	
+}
+
+// -- Allow access to the XDG desktop data structure
+const XDGDesktop* LFileInfo::XDG(){
+  return &desk;
+}
+
+// -- Check if this is a readable image file (for thumbnail support)
+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/") );
+}
+
+
 //==== LXDG Functions ====
 XDGDesktop LXDG::loadDesktopFile(QString filePath, bool& ok){
   //Create the outputs
diff --git a/libLumina/LuminaXDG.h b/libLumina/LuminaXDG.h
index b99b3015..9f2f75ab 100644
--- a/libLumina/LuminaXDG.h
+++ b/libLumina/LuminaXDG.h
@@ -30,6 +30,10 @@
 #include <QDateTime>
 #include <QDebug>
 
+
+// ======================
+// FreeDesktop Desktop Actions Framework (data structure)
+// ======================
 class XDGDesktopAction{
 public:
   //Admin variables
@@ -38,6 +42,9 @@ public:
   QString name, icon, exec;
 };
 
+// ======================
+//  FreeDesktop Desktop Entry Framework (data structure)
+// ======================
 class XDGDesktop{
 public:
   enum XDGDesktopType { BAD, APP, LINK, DIR };
@@ -62,7 +69,45 @@ public:
   ~XDGDesktop(){}
 };
 
+// ========================
+// 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
+	const 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