Bug 427928 - part 3, Add NS_THEME_FOCUS_OUTLINE support for Cocoa widgets. r=mstange

widget/cocoa/nsNativeThemeCocoa.h

@@ -102,6 +102,9 @@ protected:
                   const HIRect& inBoxRect, bool inIsDefault, 
                   ThemeButtonValue inValue, ThemeButtonAdornment inAdornment,
                   mozilla::EventStates inState, nsIFrame* aFrame);
+  void DrawFocusOutline(CGContextRef cgContext, const HIRect& inBoxRect,
+                        mozilla::EventStates inState, uint8_t aWidgetType,
+                        nsIFrame* aFrame);
   void DrawDropdown(CGContextRef context, const HIRect& inBoxRect,
                     mozilla::EventStates inState, uint8_t aWidgetType,
                     nsIFrame* aFrame);

widget/cocoa/nsNativeThemeCocoa.mm

@@ -1036,6 +1036,29 @@ nsNativeThemeCocoa::DrawPushButton(CGContextRef cgContext, const HIRect& inBoxRe
   NS_OBJC_END_TRY_ABORT_BLOCK;
 }
 
+void
+nsNativeThemeCocoa::DrawFocusOutline(CGContextRef cgContext, const HIRect& inBoxRect,
+                                     EventStates inState, uint8_t aWidgetType,
+                                     nsIFrame* aFrame)
+{
+  NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
+
+  HIThemeFrameDrawInfo fdi;
+  fdi.version = 0;
+  fdi.kind = kHIThemeFrameTextFieldSquare;
+  fdi.state = kThemeStateActive;
+  fdi.isFocused = TRUE;
+
+#if DRAW_IN_FRAME_DEBUG
+  CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
+  CGContextFillRect(cgContext, inBoxRect);
+#endif
+
+  HIThemeDrawFrame(&inBoxRect, &fdi, cgContext, HITHEME_ORIENTATION);
+
+  NS_OBJC_END_TRY_ABORT_BLOCK;
+}
+
 typedef void (*RenderHIThemeControlFunction)(CGContextRef cgContext, const HIRect& aRenderRect, void* aData);
 
 static void
@@ -2268,6 +2291,10 @@ nsNativeThemeCocoa::DrawWidgetBackground(nsRenderingContext* aContext,
       }
       break;
 
+    case NS_THEME_FOCUS_OUTLINE:
+      DrawFocusOutline(cgContext, macRect, eventState, aWidgetType, aFrame);
+      break;
+
     case NS_THEME_MOZ_MAC_HELP_BUTTON:
       DrawPushButton(cgContext, macRect, eventState, aWidgetType, aFrame);
       break;
@@ -2892,6 +2919,11 @@ nsNativeThemeCocoa::GetWidgetOverflow(nsDeviceContext* aContext, nsIFrame* aFram
       aOverflowRect->Inflate(m);
       return true;
     }
+    case NS_THEME_FOCUS_OUTLINE:
+    {
+      aOverflowRect->Inflate(NSIntPixelsToAppUnits(2, p2a));
+      return true;
+    }
   }
 
   return false;
@@ -3387,6 +3419,8 @@ nsNativeThemeCocoa::ThemeSupportsWidget(nsPresContext* aPresContext, nsIFrame* a
               scrollFrame && scrollFrame->GetScrollbarVisibility());
       break;
     }
+    case NS_THEME_FOCUS_OUTLINE:
+      return true;
   }
 
   return false;