зеркало из https://github.com/mozilla/pjs.git
Bug 421977 - nsGNOMEShellService::GetDesktopBackgroundColor should supports GConf's actual format, r=gavin
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Родитель
b105d0bba9
Коммит
5caf841f20
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@ -63,6 +63,8 @@
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#include <glib.h>
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#include <glib-object.h>
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#include <gtk/gtkversion.h>
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#include <gdk/gdk.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <limits.h>
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#include <stdlib.h>
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@ -446,58 +448,8 @@ nsGNOMEShellService::SetDesktopBackground(nsIDOMElement* aElement,
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return rv;
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}
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// In: pointer to two characters CC
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// Out: parsed color number
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static PRUint8
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HexToNum(char ch)
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{
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if ('0' <= ch && '9' >= ch)
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return ch - '0';
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if ('A' <= ch && 'F' >= ch)
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return ch - 'A';
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if ('a' <= ch && 'f' >= ch)
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return ch - 'a';
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return 0;
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}
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// In: 3 or 6-character RRGGBB hex string
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// Out: component colors
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static PRBool
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HexToRGB(const nsCString& aColorSpec,
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PRUint8 &aRed,
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PRUint8 &aGreen,
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PRUint8 &aBlue)
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{
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const char *buf = aColorSpec.get();
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if (aColorSpec.Length() == 6) {
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aRed = HexToNum(buf[0]) >> 4 |
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HexToNum(buf[1]);
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aGreen = HexToNum(buf[2]) >> 4 |
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HexToNum(buf[3]);
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aBlue = HexToNum(buf[4]) >> 4 |
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HexToNum(buf[5]);
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return PR_TRUE;
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}
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if (aColorSpec.Length() == 3) {
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aRed = HexToNum(buf[0]);
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aGreen = HexToNum(buf[1]);
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aBlue = HexToNum(buf[2]);
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aRed |= aRed >> 4;
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aGreen |= aGreen >> 4;
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aBlue |= aBlue >> 4;
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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#define COLOR_16_TO_8_BIT(_c) ((_c) >> 8)
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#define COLOR_8_TO_16_BIT(_c) ((_c) << 8)
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NS_IMETHODIMP
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nsGNOMEShellService::GetDesktopBackgroundColor(PRUint32 *aColor)
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@ -512,21 +464,32 @@ nsGNOMEShellService::GetDesktopBackgroundColor(PRUint32 *aColor)
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return NS_OK;
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}
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// Chop off the leading '#' character
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background.Cut(0, 1);
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GdkColor color;
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gboolean success = gdk_color_parse(background.get(), &color);
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PRUint8 red, green, blue;
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if (!HexToRGB(background, red, green, blue))
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return NS_ERROR_FAILURE;
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NS_ENSURE_TRUE(success, NS_ERROR_FAILURE);
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// The result must be in RGB order with the high 8 bits zero.
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*aColor = (red << 16 | green << 8 | blue);
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*aColor = COLOR_16_TO_8_BIT(color.red) << 16 |
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COLOR_16_TO_8_BIT(color.green) << 8 |
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COLOR_16_TO_8_BIT(color.blue);
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return NS_OK;
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}
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static void
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ColorToHex(PRUint32 aColor, nsCString& aResult)
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ColorToCString(PRUint32 aColor, nsCString& aResult)
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{
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#if GTK_CHECK_VERSION(2,12,0)
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GdkColor color;
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color.red = COLOR_8_TO_16_BIT(aColor >> 16);
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color.green = COLOR_8_TO_16_BIT((aColor >> 8) & 0xff);
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color.blue = COLOR_8_TO_16_BIT(aColor & 0xff);
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gchar *colorString = gdk_color_to_string(&color);
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aResult.Assign(colorString);
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g_free(colorString);
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#else // GTK 2.12.0
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char *buf = aResult.BeginWriting(7);
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if (!buf)
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return;
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@ -536,6 +499,7 @@ ColorToHex(PRUint32 aColor, nsCString& aResult)
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PRUint8 blue = aColor & 0xff;
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PR_snprintf(buf, 8, "#%02x%02x%02x", red, green, blue);
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#endif // GTK 2.12.0
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}
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NS_IMETHODIMP
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@ -544,7 +508,7 @@ nsGNOMEShellService::SetDesktopBackgroundColor(PRUint32 aColor)
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nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
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nsCString colorString;
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ColorToHex(aColor, colorString);
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ColorToCString(aColor, colorString);
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gconf->SetString(NS_LITERAL_CSTRING(kDesktopColorKey), colorString);
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@ -42,6 +42,9 @@ relativesrcdir = browser/components/shell/test
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include $(DEPTH)/config/autoconf.mk
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MODULE = test_browser_shell
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XPCSHELL_TESTS = unit
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include $(topsrcdir)/config/rules.mk
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_BROWSER_TEST_FILES = browser_420786.js \
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@ -0,0 +1,114 @@
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const GCONF_BG_COLOR_KEY = "/desktop/gnome/background/primary_color";
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var gShell;
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var gGConf;
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/**
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* Converts from a rgb numerical color valule (r << 16 | g << 8 | b)
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* into a hex string in #RRGGBB format.
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*/
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function colorToHex(aColor) {
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const rMask = 4294901760;
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const gMask = 65280;
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const bMask = 255;
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var r = (aColor & rMask) >> 16;
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var g = (aColor & gMask) >> 8;
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var b = (aColor & bMask);
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return "#" + [r, g, b].map(function(aInt)
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aInt.toString(16).replace(/^(.)$/, "0$1"))
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.join("").toUpperCase();
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}
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/**
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* Converts a color string in #RRGGBB format to a rgb numerical color value
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* (r << 16 | g << 8 | b).
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*/
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function hexToColor(aString) {
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return parseInt(aString.substring(1,3), 16) << 16 |
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parseInt(aString.substring(3,5), 16) << 8 |
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parseInt(aString.substring(5,7), 16);
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}
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/**
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* Checks that setting the GConf background key to aGConfColor will
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* result in the Shell component returning a background color equals
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* to aExpectedShellColor in #RRGGBB format.
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*/
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function checkGConfToShellColor(aGConfColor, aExpectedShellColor) {
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gGConf.setString(GCONF_BG_COLOR_KEY, aGConfColor);
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var shellColor = colorToHex(gShell.desktopBackgroundColor);
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do_check_eq(shellColor, aExpectedShellColor);
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}
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/**
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* Checks that setting the background color (in #RRGGBB format) using the Shell
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* component will result in having a GConf key for the background color set to
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* aExpectedGConfColor.
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*/
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function checkShellToGConfColor(aShellColor, aExpectedGConfColor) {
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gShell.desktopBackgroundColor = hexToColor(aShellColor);
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var gconfColor = gGConf.getString(GCONF_BG_COLOR_KEY);
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do_check_eq(gconfColor, aExpectedGConfColor);
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}
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function run_test() {
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// This test is Linux specific for now
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if (!("@mozilla.org/gnome-gconf-service;1" in Cc))
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return;
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gGConf = Cc["@mozilla.org/gnome-gconf-service;1"].
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getService(Ci.nsIGConfService);
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gShell = Cc["@mozilla.org/browser/shell-service;1"].
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getService(Ci.nsIShellService);
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// Save the original background color so that we can restore it
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// after the test.
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var origGConfColor = gGConf.getString(GCONF_BG_COLOR_KEY);
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try {
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checkGConfToShellColor("#000", "#000000");
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checkGConfToShellColor("#00f", "#0000FF");
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checkGConfToShellColor("#b2f", "#BB22FF");
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checkGConfToShellColor("#fff", "#FFFFFF");
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checkGConfToShellColor("#000000", "#000000");
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checkGConfToShellColor("#0000ff", "#0000FF");
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checkGConfToShellColor("#b002f0", "#B002F0");
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checkGConfToShellColor("#ffffff", "#FFFFFF");
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checkGConfToShellColor("#000000000", "#000000");
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checkGConfToShellColor("#00f00f00f", "#000000");
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checkGConfToShellColor("#aaabbbccc", "#AABBCC");
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checkGConfToShellColor("#fffffffff", "#FFFFFF");
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checkGConfToShellColor("#000000000000", "#000000");
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checkGConfToShellColor("#000f000f000f", "#000000");
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checkGConfToShellColor("#00ff00ff00ff", "#000000");
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checkGConfToShellColor("#aaaabbbbcccc", "#AABBCC");
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checkGConfToShellColor("#111122223333", "#112233");
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checkGConfToShellColor("#ffffffffffff", "#FFFFFF");
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checkShellToGConfColor("#000000", "#000000000000");
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checkShellToGConfColor("#0000FF", "#00000000ff00");
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checkShellToGConfColor("#FFFFFF", "#ff00ff00ff00");
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checkShellToGConfColor("#0A0B0C", "#0a000b000c00");
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checkShellToGConfColor("#A0B0C0", "#a000b000c000");
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checkShellToGConfColor("#AABBCC", "#aa00bb00cc00");
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} finally {
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gGConf.setString(GCONF_BG_COLOR_KEY, origGConfColor);
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}
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}
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