michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: const Cr = Components.results;
michael@0: 
michael@0: const GCONF_BG_COLOR_KEY = "/desktop/gnome/background/primary_color";
michael@0: 
michael@0: var gShell;
michael@0: var gGConf;
michael@0: 
michael@0: /**
michael@0:  * Converts from a rgb numerical color valule (r << 16 | g << 8 | b)
michael@0:  * into a hex string in #RRGGBB format.
michael@0:  */
michael@0: function colorToHex(aColor) {
michael@0:   const rMask = 4294901760;
michael@0:   const gMask = 65280;
michael@0:   const bMask = 255;
michael@0: 
michael@0:   var r = (aColor & rMask) >> 16;
michael@0:   var g = (aColor & gMask) >> 8;
michael@0:   var b = (aColor & bMask);
michael@0: 
michael@0:   return "#" + [r, g, b].map(function(aInt)
michael@0:                               aInt.toString(16).replace(/^(.)$/, "0$1"))
michael@0:                              .join("").toUpperCase();
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Converts a color string in #RRGGBB format to a rgb numerical color value
michael@0:  *  (r << 16 | g << 8 | b).
michael@0:  */
michael@0: function hexToColor(aString) {
michael@0:   return parseInt(aString.substring(1,3), 16) << 16 |
michael@0:          parseInt(aString.substring(3,5), 16) << 8 |
michael@0:          parseInt(aString.substring(5,7), 16);
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Checks that setting the GConf background key to aGConfColor will
michael@0:  * result in the Shell component returning a background color equals
michael@0:  * to aExpectedShellColor in #RRGGBB format.
michael@0:  */
michael@0: function checkGConfToShellColor(aGConfColor, aExpectedShellColor) {
michael@0: 
michael@0:   gGConf.setString(GCONF_BG_COLOR_KEY, aGConfColor);
michael@0:   var shellColor = colorToHex(gShell.desktopBackgroundColor);
michael@0: 
michael@0:   do_check_eq(shellColor, aExpectedShellColor);
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Checks that setting the background color (in #RRGGBB format) using the Shell
michael@0:  * component will result in having a GConf key for the background color set to
michael@0:  * aExpectedGConfColor.
michael@0:  */
michael@0: function checkShellToGConfColor(aShellColor, aExpectedGConfColor) {
michael@0: 
michael@0:   gShell.desktopBackgroundColor = hexToColor(aShellColor);
michael@0:   var gconfColor = gGConf.getString(GCONF_BG_COLOR_KEY);
michael@0: 
michael@0:   do_check_eq(gconfColor, aExpectedGConfColor);
michael@0: }
michael@0: 
michael@0: function run_test() {
michael@0: 
michael@0:   // This test is Linux specific for now
michael@0:   if (!("@mozilla.org/gnome-gconf-service;1" in Cc))
michael@0:     return;
michael@0: 
michael@0:   try {
michael@0:     // If GSettings is available, then the GConf tests
michael@0:     // will fail
michael@0:     var gsettings = Cc["@mozilla.org/gsettings-service;1"].
michael@0:                     getService(Ci.nsIGSettingsService).
michael@0:                     getCollectionForSchema("org.gnome.desktop.background");
michael@0:     return;
michael@0:   } catch(e) { }
michael@0: 
michael@0:   gGConf = Cc["@mozilla.org/gnome-gconf-service;1"].
michael@0:            getService(Ci.nsIGConfService);
michael@0: 
michael@0:   gShell = Cc["@mozilla.org/browser/shell-service;1"].
michael@0:            getService(Ci.nsIShellService);
michael@0: 
michael@0:   // Save the original background color so that we can restore it
michael@0:   // after the test.
michael@0:   var origGConfColor = gGConf.getString(GCONF_BG_COLOR_KEY);
michael@0: 
michael@0:   try {
michael@0: 
michael@0:     checkGConfToShellColor("#000", "#000000");
michael@0:     checkGConfToShellColor("#00f", "#0000FF");
michael@0:     checkGConfToShellColor("#b2f", "#BB22FF");
michael@0:     checkGConfToShellColor("#fff", "#FFFFFF");
michael@0: 
michael@0:     checkGConfToShellColor("#000000", "#000000");
michael@0:     checkGConfToShellColor("#0000ff", "#0000FF");
michael@0:     checkGConfToShellColor("#b002f0", "#B002F0");
michael@0:     checkGConfToShellColor("#ffffff", "#FFFFFF");
michael@0: 
michael@0:     checkGConfToShellColor("#000000000", "#000000");
michael@0:     checkGConfToShellColor("#00f00f00f", "#000000");
michael@0:     checkGConfToShellColor("#aaabbbccc", "#AABBCC");
michael@0:     checkGConfToShellColor("#fffffffff", "#FFFFFF");
michael@0: 
michael@0:     checkGConfToShellColor("#000000000000", "#000000");
michael@0:     checkGConfToShellColor("#000f000f000f", "#000000");
michael@0:     checkGConfToShellColor("#00ff00ff00ff", "#000000");
michael@0:     checkGConfToShellColor("#aaaabbbbcccc", "#AABBCC");
michael@0:     checkGConfToShellColor("#111122223333", "#112233");
michael@0:     checkGConfToShellColor("#ffffffffffff", "#FFFFFF");
michael@0: 
michael@0:     checkShellToGConfColor("#000000", "#000000000000");
michael@0:     checkShellToGConfColor("#0000FF", "#00000000ffff");
michael@0:     checkShellToGConfColor("#FFFFFF", "#ffffffffffff");
michael@0:     checkShellToGConfColor("#0A0B0C", "#0a0a0b0b0c0c");
michael@0:     checkShellToGConfColor("#A0B0C0", "#a0a0b0b0c0c0");
michael@0:     checkShellToGConfColor("#AABBCC", "#aaaabbbbcccc");
michael@0: 
michael@0:   } finally {
michael@0:     gGConf.setString(GCONF_BG_COLOR_KEY, origGConfColor);
michael@0:   }
michael@0: }