Index: ./browser/components/shell/content/setDesktopBackground.js
===================================================================
RCS file: /cvsroot/mozilla/browser/components/shell/content/setDesktopBackground.js,v
retrieving revision 1.3.4.2
diff -u -r1.3.4.2 setDesktopBackground.js
--- ./browser/components/shell/content/setDesktopBackground.js	1 Sep 2006 14:27:15 -0000	1.3.4.2
+++ ./browser/components/shell/content/setDesktopBackground.js	3 May 2007 16:36:46 -0000
@@ -42,6 +42,8 @@
 const kIMacShellService = Components.interfaces.nsIMacShellService;
 #endif
 
+var isKDEDesktop = "false";
+
 var gSetBackground = {
   _position         : kIShellService.BACKGROUND_STRETCH,
   _monitor          : null,
@@ -108,6 +110,7 @@
     var position = kIShellService.BACKGROUND_STRETCH;
 #endif
     this.updatePosition(position);
+    this.readKdesktoprc();
   },
         
 #ifndef XP_MACOSX
@@ -168,11 +171,19 @@
     this._shell.setDesktopBackground(this._image, this._position);
     this._shell.desktopBackgroundColor = this._hexStringToLong(this._backgroundColor);
     document.persist("menuPosition", "value");
+    //set kde wallpaper - yes also set the gconf pref
+    this.setKDEwallpaper();
+    this.setKDEbackground(this._backgroundColor);
   },
 #endif
 
   updateColor: function (color)
   {
+ if (this.isKDEDesktop == "true") {
+   this._backgroundColor = color;
+   this._monitor.style.backgroundColor = color;
+ }
+
 #ifndef XP_MACOSX
     this._backgroundColor = color;
     
@@ -228,8 +239,9 @@
   _tileImage: function ()
   {
     var bundle = document.getElementById("backgroundBundle");
-
-    this._monitor.style.backgroundColor = "white";
+    //Doing this makes the user think the background is also being changed
+    //so I'm commenting it out.
+    //this._monitor.style.backgroundColor = "white";
 
     var text = document.createElementNS(kXUL_NS, "label");
     text.setAttribute("id", "noPreviewAvailable");
@@ -249,5 +261,148 @@
     img.width = Math.floor(width);
     img.height = Math.floor(height);
     this._monitor.appendChild(img);
+  },
+
+  setKDEwallpaper: function ()
+  {
+    //set kde wallpaper - yes also set the gconf pref
+    var fileConstruct = Components.Constructor("@mozilla.org/file/local;1", "nsILocalFile");
+    var filePath = new fileConstruct();
+
+    var processIface = Components.classes["@mozilla.org/process/util;1"].createInstance();
+    processIface = processIface.QueryInterface(Components.interfaces.nsIProcess);
+    var homePath = Components.classes["@mozilla.org/process/environment;1"].getService(Components.interfaces.nsIEnvironment);
+    homePath = homePath.get("HOME");
+    homePath += "/Web Browser_wallpaper.png";
+   try { 
+    var imgPosition = document.getElementById("menuPosition").value;
+
+    switch(imgPosition) {
+      case "1":
+       //tiled
+       imgPosition = 3;
+       break;
+      case "2":
+       // stretch
+       imgPosition = 6;
+       break;
+      case "3":
+       //centred
+       imgPosition = 7;
+       break;
+      default:
+       imgPosition = 4;
+       break;
+
+    }
+    var progObj = new Object();
+    var blockingBool;
+    var procToStart = "/usr/bin/dcop";
+    var procArgs = ["kdesktop", "KBackgroundIface", "setWallpaper", homePath, imgPosition]; 
+    filePath.initWithPath(procToStart);
+    processIface.init(filePath);
+
+       progObj.value = 19;
+       processIface.run( blockingBool, procArgs, procArgs.length, progObj);
+   } catch (e) {
+       //dump("FAILURE OF RUN :: " + e + "\n");
+   }
+  },
+
+  setKDEbackground: function (color)
+  {
+    //set kde background color - yes also set the gconf pref
+    var fileConstruct = Components.Constructor("@mozilla.org/file/local;1", "nsILocalFile");
+    var filePath = new fileConstruct();
+
+    var processIface = Components.classes["@mozilla.org/process/util;1"].createInstance();
+    processIface = processIface.QueryInterface(Components.interfaces.nsIProcess);
+
+    var progObj = new Object();
+    var blockingBool;
+    var procToStart = "/usr/bin/dcop";
+    var procArgs = ["kdesktop", "KBackgroundIface", "setColor", color, true]; 
+    filePath.initWithPath(procToStart);
+    processIface.init(filePath);
+    try { 
+       progObj.value = 19;
+       processIface.run( blockingBool, procArgs, procArgs.length, progObj);
+    } catch (e) {
+       //dump("FAILURE OF RUN :: " + e + "\n");
+    }
+
+  },
+
+  readKdesktoprc: function()
+  {
+try {
+    var localFile = Components.classes["@mozilla.org/file/local;1"].createInstance(Components.interfaces.nsILocalFile);
+
+    var inputFile = Components.classes["@mozilla.org/network/file-input-stream;1"].createInstance(Components.interfaces.nsIFileInputStream);
+
+    var readInputStream = Components.classes["@mozilla.org/scriptableinputstream;1"].createInstance(Components.interfaces.nsIScriptableInputStream);
+
+    var homePath = Components.classes["@mozilla.org/process/environment;1"].getService(Components.interfaces.nsIEnvironment);
+    // construct path to kdesktoprc using env var $HOME
+    homePath = homePath.get("HOME") + "/.kde/share/config/kdesktoprc";
+
+    localFile.initWithPath(homePath);
+
+    var tmp;
+    inputFile.init(localFile, 0x01, 444, tmp);
+    readInputStream.init(inputFile);
+    var fileStream = readInputStream.read(-1);
+
+    inputFile.close();
+    readInputStream.close();
+
+   //look thru kdesktoprc for Desktop0 Color1
+   var lineCount = fileStream.split(/\s+/);
+   var j;
+   for(var i = 0; i < lineCount.length; i++) {
+    if (lineCount[i] == "[Desktop0]") {
+     dump("--Kdesktop " + i + ": " + lineCount[i] + "\n");
+     for( j = i; j < lineCount.length; j++) {
+       tmp = lineCount[j].substring(0,6);
+       if(tmp == "Color1") {
+           //set the color if found
+           var tempLine = lineCount[j].split("="); 
+           dump("**Kdesktop " + tmp + " : " + j + ": " + tempLine[1] + "\n");
+           this.TestrgbToHex(tempLine[1]);
+           i = j = lineCount.length; //no need to look further
+           this.isKDEDesktop = "true"; //we found our color so we are KDE
+       }
+     }
+    }
+   }
+
+} catch (e) {
+   // Propably failed on file not found - must not be a kde desktop
+   //dump("readKdesktoprc failed because: " + e);
+}
+
+  },
+
+  TestrgbToHex: function(tempLine) 
+  {
+    //for example change 255,255,255 into #FFFFFF
+    var temp = tempLine.split(",");
+    var aR = parseInt(temp[0]);
+    var aG = parseInt(temp[1]);
+    var aB = parseInt(temp[2]);
+
+    var rHex = aR.toString(16).toUpperCase();
+    var gHex = aG.toString(16).toUpperCase();
+    var bHex = aB.toString(16).toUpperCase();
+
+    if (rHex.length == 1) rHex ='0' + rHex;
+    if (gHex.length == 1) gHex ='0' + gHex;
+    if (bHex.length == 1) bHex ='0' + bHex;
+
+    var tempb = '#' + rHex + gHex + bHex;
+    document.getElementById("desktopColor").color = tempb;
+    document.getElementById("monitor").style.backgroundColor = tempb;
+    this._backgroundColor = tempb;
   }
+
 };