Bug 448767 - Add -moz-system-metric(mac-graphite-theme), r=vlad sr=dbaron

layout/style/nsCSSRuleProcessor.cpp

@@ -792,6 +792,11 @@ InitSystemMetrics()
     sSystemMetrics->AppendElement(do_GetAtom("windows-default-theme"));
   }
 
+  rv = lookAndFeel->GetMetric(nsILookAndFeel::eMetric_MacGraphiteTheme, metricResult);
+  if (NS_SUCCEEDED(rv) && metricResult) {
+    sSystemMetrics->AppendElement(do_GetAtom("mac-graphite-theme"));
+  }
+
   rv = lookAndFeel->GetMetric(nsILookAndFeel::eMetric_DWMCompositor, metricResult);
   if (NS_SUCCEEDED(rv) && metricResult) {
     sSystemMetrics->AppendElement(do_GetAtom("windows-compositor"));

widget/public/nsILookAndFeel.h

@@ -255,6 +255,15 @@ public:
      */
     eMetric_WindowsClassic,
 
+    /*
+     * A Boolean value to determine whether the Mac graphite theme is
+     * being used.
+     *
+     * The value of this metric is not used on other platforms. These platforms
+     * should return NS_ERROR_NOT_IMPLEMENTED when queried for this metric.
+     */
+    eMetric_MacGraphiteTheme,
+
     /*
      * eMetric_AlertNotificationOrigin indicates from which corner of the
      * screen alerts slide in, and from which direction (horizontal/vertical).

widget/src/beos/nsLookAndFeel.cpp

@@ -427,6 +427,10 @@ NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
       aMetric = 0;
       res = NS_ERROR_NOT_IMPLEMENTED;
       break;
+    case eMetric_MacGraphiteTheme:
+      aMetric = 0;
+      res = NS_ERROR_NOT_IMPLEMENTED;
+      break;
     case eMetric_IMERawInputUnderlineStyle:
     case eMetric_IMEConvertedTextUnderlineStyle:
       aMetric = NS_UNDERLINE_STYLE_SOLID;

widget/src/cocoa/nsLookAndFeel.mm

@@ -43,6 +43,7 @@
 #include "nsNativeThemeColors.h"
 
 #import <Carbon/Carbon.h>
+#import <Cocoa/Cocoa.h>
 
 nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel()
 {
@@ -613,6 +614,9 @@ NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
       aMetric = 0;
       res = NS_ERROR_NOT_IMPLEMENTED;
       break;
+    case eMetric_MacGraphiteTheme:
+      aMetric = [NSColor currentControlTint] == NSGraphiteControlTint;
+      break;
     case eMetric_TabFocusModel:
     {
       // we should probably cache this

widget/src/gtk2/nsLookAndFeel.cpp

@@ -560,6 +560,10 @@ NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
         aMetric = 0;
         res = NS_ERROR_NOT_IMPLEMENTED;
         break;
+    case eMetric_MacGraphiteTheme:
+        aMetric = 0;
+        res = NS_ERROR_NOT_IMPLEMENTED;
+        break;
     case eMetric_IMERawInputUnderlineStyle:
     case eMetric_IMEConvertedTextUnderlineStyle:
         aMetric = NS_UNDERLINE_STYLE_SOLID;

widget/src/os2/nsLookAndFeel.cpp

@@ -375,6 +375,10 @@ NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
         aMetric = 0;
         res = NS_ERROR_NOT_IMPLEMENTED;
         break;
+    case eMetric_MacGraphiteTheme:
+        aMetric = 0;
+        res = NS_ERROR_NOT_IMPLEMENTED;
+        break;
     case eMetric_IMERawInputUnderlineStyle:
     case eMetric_IMEConvertedTextUnderlineStyle:
         aMetric = NS_UNDERLINE_STYLE_SOLID;

widget/src/photon/nsLookAndFeel.cpp

@@ -369,6 +369,10 @@ NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
     aMetric = 0;
     res = NS_ERROR_NOT_IMPLEMENTED;
     break;
+  case eMetric_MacGraphiteTheme:
+    aMetric = 0;
+    res = NS_ERROR_NOT_IMPLEMENTED;
+    break;
   case eMetric_IMERawInputUnderlineStyle:
   case eMetric_IMEConvertedTextUnderlineStyle:
     aMetric = NS_UNDERLINE_STYLE_SOLID;

widget/src/windows/nsLookAndFeel.cpp

@@ -522,6 +522,10 @@ NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
           res = NS_ERROR_NOT_IMPLEMENTED;
         }
         break;
+    case eMetric_MacGraphiteTheme:
+        aMetric = 0;
+        res = NS_ERROR_NOT_IMPLEMENTED;
+        break;
 #ifndef WINCE
     case eMetric_DWMCompositor:
         aMetric = nsUXThemeData::sHaveCompositor;