Undo Mozilla Bug 1302937; Reinstate -moz-mac-lion-theme media query

8 files changed, 74 insertions, 41 deletions

diff --git a/dom/base/nsGkAtomList.h b/dom/base/nsGkAtomList.h
index 50b4449ec..8fefa0e02 100644
--- a/dom/base/nsGkAtomList.h
+++ b/dom/base/nsGkAtomList.h
@@ -2240,6 +2240,7 @@ GK_ATOM(windows_accent_color_applies, "windows-accent-color-applies")
 GK_ATOM(windows_accent_color_is_dark, "windows-accent-color-is-dark")
 GK_ATOM(windows_default_theme, "windows-default-theme")
 GK_ATOM(mac_graphite_theme, "mac-graphite-theme")
+GK_ATOM(mac_lion_theme, "mac-lion-theme")
 GK_ATOM(mac_yosemite_theme, "mac-yosemite-theme")
 GK_ATOM(windows_compositor, "windows-compositor")
 GK_ATOM(windows_glass, "windows-glass")
@@ -2271,6 +2272,7 @@ GK_ATOM(_moz_windows_accent_color_applies, "-moz-windows-accent-color-applies")
 GK_ATOM(_moz_windows_accent_color_is_dark, "-moz-windows-accent-color-is-dark")
 GK_ATOM(_moz_windows_default_theme, "-moz-windows-default-theme")
 GK_ATOM(_moz_mac_graphite_theme, "-moz-mac-graphite-theme")
+GK_ATOM(_moz_mac_lion_theme, "-moz-mac-lion-theme")
 GK_ATOM(_moz_mac_yosemite_theme, "-moz-mac-yosemite-theme")
 GK_ATOM(_moz_windows_compositor, "-moz-windows-compositor")
 GK_ATOM(_moz_windows_classic, "-moz-windows-classic")
diff --git a/layout/style/nsCSSRuleProcessor.cpp b/layout/style/nsCSSRuleProcessor.cpp
index 8760a330e..810a8f8f0 100644
--- a/layout/style/nsCSSRuleProcessor.cpp
+++ b/layout/style/nsCSSRuleProcessor.cpp
@@ -1122,6 +1122,11 @@ InitSystemMetrics()
     sSystemMetrics->AppendElement(nsGkAtoms::mac_graphite_theme);
   }
 
+  rv = LookAndFeel::GetInt(LookAndFeel::eIntID_MacLionTheme, &metricResult);
+  if (NS_SUCCEEDED(rv) && metricResult) {
+    sSystemMetrics->AppendElement(nsGkAtoms::mac_lion_theme);
+  }
+
   rv = LookAndFeel::GetInt(LookAndFeel::eIntID_MacYosemiteTheme, &metricResult);
   if (NS_SUCCEEDED(rv) && metricResult) {
     sSystemMetrics->AppendElement(nsGkAtoms::mac_yosemite_theme);
@@ -1161,7 +1166,7 @@ InitSystemMetrics()
   if (NS_SUCCEEDED(rv) && metricResult) {
     sSystemMetrics->AppendElement(nsGkAtoms::touch_enabled);
   }
- 
+
   rv = LookAndFeel::GetInt(LookAndFeel::eIntID_SwipeAnimationEnabled,
                            &metricResult);
   if (NS_SUCCEEDED(rv) && metricResult) {
@@ -1539,7 +1544,7 @@ checkGenericEmptyMatches(Element* aElement,
   do {
     child = aElement->GetChildAt(++index);
     // stop at first non-comment (and non-whitespace for
-    // :-moz-only-whitespace) node        
+    // :-moz-only-whitespace) node
   } while (child && !IsSignificantChild(child, true, isWhitespaceSignificant));
   return (child == nullptr);
 }
@@ -2233,7 +2238,7 @@ static bool SelectorMatches(Element* aElement,
           NS_ASSERTION(hasAttr, "HasAttr lied");
           result = AttrMatchesValue(attr, value, isHTML);
         }
-        
+
         attr = attr->mNext;
       } while (attr && result);
     }
@@ -3085,7 +3090,7 @@ nsCSSRuleProcessor::AppendFontFaceRules(
     if (!aArray.AppendElements(cascade->mFontFaceRules))
       return false;
   }
-  
+
   return true;
 }
 
@@ -3129,7 +3134,7 @@ nsCSSRuleProcessor::AppendPageRules(
       return false;
     }
   }
-  
+
   return true;
 }
 
diff --git a/layout/style/nsMediaFeatures.cpp b/layout/style/nsMediaFeatures.cpp
index 5a54d5455..854236e51 100644
--- a/layout/style/nsMediaFeatures.cpp
+++ b/layout/style/nsMediaFeatures.cpp
@@ -706,6 +706,14 @@ nsMediaFeatures::features[] = {
     GetSystemMetric
   },
   {
+    &nsGkAtoms::_moz_mac_lion_theme,
+    nsMediaFeature::eMinMaxNotAllowed,
+    nsMediaFeature::eBoolInteger,
+    nsMediaFeature::eNoRequirements,
+    { &nsGkAtoms::mac_lion_theme },
+    GetSystemMetric
+  },
+  {
     &nsGkAtoms::_moz_mac_yosemite_theme,
     nsMediaFeature::eMinMaxNotAllowed,
     nsMediaFeature::eBoolInteger,
@@ -728,7 +736,7 @@ nsMediaFeatures::features[] = {
     nsMediaFeature::eNoRequirements,
     { &nsGkAtoms::windows_accent_color_is_dark },
     GetSystemMetric
-  },  
+  },
   {
     &nsGkAtoms::_moz_windows_compositor,
     nsMediaFeature::eMinMaxNotAllowed,
diff --git a/layout/style/test/test_media_queries.html b/layout/style/test/test_media_queries.html
index d503fad0b..59fe030c2 100644
--- a/layout/style/test/test_media_queries.html
+++ b/layout/style/test/test_media_queries.html
@@ -627,6 +627,7 @@ function run() {
   expression_should_be_parseable("-moz-overlay-scrollbars");
   expression_should_be_parseable("-moz-windows-default-theme");
   expression_should_be_parseable("-moz-mac-graphite-theme");
+  expression_should_be_parseable("-moz-mac-lion-theme");
   expression_should_be_parseable("-moz-mac-yosemite-theme");
   expression_should_be_parseable("-moz-windows-accent-color-applies");
   expression_should_be_parseable("-moz-windows-compositor");
@@ -643,6 +644,7 @@ function run() {
   expression_should_be_parseable("-moz-overlay-scrollbars: 0");
   expression_should_be_parseable("-moz-windows-default-theme: 0");
   expression_should_be_parseable("-moz-mac-graphite-theme: 0");
+  expression_should_be_parseable("-moz-mac-lion-theme: 0");
   expression_should_be_parseable("-moz-mac-yosemite-theme: 0");
   expression_should_be_parseable("-moz-windows-accent-color-applies: 0");
   expression_should_be_parseable("-moz-windows-compositor: 0");
@@ -659,6 +661,7 @@ function run() {
   expression_should_be_parseable("-moz-overlay-scrollbars: 1");
   expression_should_be_parseable("-moz-windows-default-theme: 1");
   expression_should_be_parseable("-moz-mac-graphite-theme: 1");
+  expression_should_be_parseable("-moz-mac-lion-theme: 1");
   expression_should_be_parseable("-moz-mac-yosemite-theme: 1");
   expression_should_be_parseable("-moz-windows-accent-color-applies: 1");
   expression_should_be_parseable("-moz-windows-compositor: 1");
@@ -675,6 +678,7 @@ function run() {
   expression_should_not_be_parseable("-moz-overlay-scrollbars: -1");
   expression_should_not_be_parseable("-moz-windows-default-theme: -1");
   expression_should_not_be_parseable("-moz-mac-graphite-theme: -1");
+  expression_should_not_be_parseable("-moz-mac-lion-theme: -1");
   expression_should_not_be_parseable("-moz-mac-yosemite-theme: -1");
   expression_should_not_be_parseable("-moz-windows-accent-color-applies: -1");
   expression_should_not_be_parseable("-moz-windows-compositor: -1");
@@ -691,6 +695,7 @@ function run() {
   expression_should_not_be_parseable("-moz-overlay-scrollbars: true");
   expression_should_not_be_parseable("-moz-windows-default-theme: true");
   expression_should_not_be_parseable("-moz-mac-graphite-theme: true");
+  expression_should_not_be_parseable("-moz-mac-lion-theme: true");
   expression_should_not_be_parseable("-moz-mac-yosemite-theme: true");
   expression_should_not_be_parseable("-moz-windows-accent-color-applies: true");
   expression_should_not_be_parseable("-moz-windows-compositor: true");
@@ -844,5 +849,3 @@ function handle_iframe_onload(event)
 </pre>
 </body>
 </html>
-
-
diff --git a/widget/LookAndFeel.h b/widget/LookAndFeel.h
index cf84b3308..60ebc2782 100644
--- a/widget/LookAndFeel.h
+++ b/widget/LookAndFeel.h
@@ -250,7 +250,7 @@ public:
      * should return NS_ERROR_NOT_IMPLEMENTED when queried for this metric.
      */
     eIntID_WindowsAccentColorApplies,
-    
+
     /*
      * A Boolean value to determine whether the Windows accent color
      * is considered dark and should get bright text/controls.
@@ -313,6 +313,16 @@ public:
      */
     eIntID_MacGraphiteTheme,
 
+    /*
+     * A Boolean value to determine whether the Mac OS X Lion-specific theming
+     * should be used.
+     *
+     * The value of this metric is not used on non-Mac platforms. These
+     * platforms should return NS_ERROR_NOT_IMPLEMENTED when queried for this
+     * metric.
+     */
+    eIntID_MacLionTheme,
+
    /*
     * A Boolean value to determine whether the Mac OS X Yosemite-specific theming
     * should be used.
@@ -412,7 +422,7 @@ public:
       */
      eIntID_ScrollbarFadeBeginDelay,
      eIntID_ScrollbarFadeDuration,
-      
+
      /**
       * Distance in pixels to offset the context menu from the cursor
       * on open.
diff --git a/widget/cocoa/nsLookAndFeel.mm b/widget/cocoa/nsLookAndFeel.mm
index cbee90f58..0b68cd0e4 100644
--- a/widget/cocoa/nsLookAndFeel.mm
+++ b/widget/cocoa/nsLookAndFeel.mm
@@ -67,19 +67,19 @@ nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
 
   nsresult res = NS_OK;
-  
+
   switch (aID) {
     case eColorID_WindowBackground:
       aColor = NS_RGB(0xff,0xff,0xff);
       break;
     case eColorID_WindowForeground:
-      aColor = NS_RGB(0x00,0x00,0x00);        
+      aColor = NS_RGB(0x00,0x00,0x00);
       break;
     case eColorID_WidgetBackground:
       aColor = NS_RGB(0xdd,0xdd,0xdd);
       break;
     case eColorID_WidgetForeground:
-      aColor = NS_RGB(0x00,0x00,0x00);        
+      aColor = NS_RGB(0x00,0x00,0x00);
       break;
     case eColorID_WidgetSelectBackground:
       aColor = NS_RGB(0x80,0x80,0x80);
@@ -107,7 +107,7 @@ nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
       break;
     case eColorID__moz_menuhover:
       aColor = GetColorFromNSColor([NSColor alternateSelectedControlColor]);
-      break;      
+      break;
     case eColorID_TextSelectForeground:
       GetColor(eColorID_TextSelectBackground, aColor);
       if (aColor == 0x000000)
@@ -147,9 +147,9 @@ nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
       // css2 system colors http://www.w3.org/TR/REC-CSS2/ui.html#system-colors
       //
       // It's really hard to effectively map these to the Appearance Manager properly,
-      // since they are modeled word for word after the win32 system colors and don't have any 
-      // real counterparts in the Mac world. I'm sure we'll be tweaking these for 
-      // years to come. 
+      // since they are modeled word for word after the win32 system colors and don't have any
+      // real counterparts in the Mac world. I'm sure we'll be tweaking these for
+      // years to come.
       //
       // Thanks to mpt26@student.canterbury.ac.nz for the hardcoded values that form the defaults
       //  if querying the Appearance Manager fails ;)
@@ -161,7 +161,7 @@ nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
         break;
       }
       // Otherwise fall through and return the regular button text:
-      
+
     case eColorID_buttontext:
     case eColorID__moz_buttonhovertext:
       aColor = GetColorFromNSColor([NSColor controlTextColor]);
@@ -267,13 +267,13 @@ nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
       break;
     case eColorID__moz_mac_menushadow:
       aColor = NS_RGB(0xA3,0xA3,0xA3);
-      break;          
+      break;
     case eColorID__moz_mac_menutextdisable:
       aColor = NS_RGB(0x98,0x98,0x98);
-      break;      
+      break;
     case eColorID__moz_mac_menutextselect:
       aColor = GetColorFromNSColor([NSColor selectedMenuItemTextColor]);
-      break;      
+      break;
     case eColorID__moz_mac_disabledtoolbartext:
       aColor = GetColorFromNSColor([NSColor disabledControlTextColor]);
       break;
@@ -307,7 +307,7 @@ nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
       res = NS_ERROR_FAILURE;
       break;
     }
-  
+
   return res;
 
   NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
@@ -322,7 +322,7 @@ nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
   if (NS_SUCCEEDED(res))
     return res;
   res = NS_OK;
-  
+
   switch (aID) {
     case eIntID_CaretBlinkTime:
       aResult = 567;
@@ -411,6 +411,9 @@ nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
     case eIntID_MacGraphiteTheme:
       aResult = [NSColor currentControlTint] == NSGraphiteControlTint;
       break;
+    case eIntID_MacLionTheme:
+      aResult = 1;
+      break;
     case eIntID_MacYosemiteTheme:
       aResult = nsCocoaFeatures::OnYosemiteOrLater();
       break;
@@ -473,7 +476,7 @@ nsLookAndFeel::GetFloatImpl(FloatID aID, float &aResult)
   if (NS_SUCCEEDED(res))
     return res;
   res = NS_OK;
-  
+
   switch (aID) {
     case eFloatID_IMEUnderlineRelativeSize:
       aResult = 2.0f;
diff --git a/widget/gtk/nsLookAndFeel.cpp b/widget/gtk/nsLookAndFeel.cpp
index d2b82e495..7a95f81c6 100644
--- a/widget/gtk/nsLookAndFeel.cpp
+++ b/widget/gtk/nsLookAndFeel.cpp
@@ -51,7 +51,7 @@ nsLookAndFeel::nsLookAndFeel()
       mDefaultFontCached(false), mButtonFontCached(false),
       mFieldFontCached(false), mMenuFontCached(false)
 {
-    Init();    
+    Init();
 }
 
 nsLookAndFeel::~nsLookAndFeel()
@@ -266,7 +266,7 @@ nsLookAndFeel::NativeGetColor(ColorID aID, nscolor& aColor)
         break;
     case eColorID_WindowForeground:
     case eColorID_WidgetForeground:
-    case eColorID_TextForeground: 
+    case eColorID_TextForeground:
     case eColorID_captiontext: // text in active window caption, size box, and scrollbar arrow box (!)
     case eColorID_windowtext:
     case eColorID__moz_dialogtext:
@@ -303,7 +303,7 @@ nsLookAndFeel::NativeGetColor(ColorID aID, nscolor& aColor)
         // not used?
         aColor = GDK_COLOR_TO_NS_RGB(mStyle->base[GTK_STATE_NORMAL]);
         break;
-    case eColorID_TextForeground: 
+    case eColorID_TextForeground:
         // not used?
         aColor = GDK_COLOR_TO_NS_RGB(mStyle->text[GTK_STATE_NORMAL]);
         break;
@@ -415,7 +415,7 @@ nsLookAndFeel::NativeGetColor(ColorID aID, nscolor& aColor)
         // inactive window caption
         GtkStyleContext *style = ClaimStyleContext(MOZ_GTK_WINDOW);
         gtk_style_context_get_background_color(style,
-                                               GTK_STATE_FLAG_INSENSITIVE, 
+                                               GTK_STATE_FLAG_INSENSITIVE,
                                                &gdk_color);
         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
         ReleaseStyleContext(style);
@@ -509,7 +509,7 @@ nsLookAndFeel::NativeGetColor(ColorID aID, nscolor& aColor)
         break;
     case eColorID__moz_dragtargetzone:
         aColor = GDK_COLOR_TO_NS_RGB(mStyle->bg[GTK_STATE_SELECTED]);
-        break; 
+        break;
     case eColorID__moz_buttondefault:
         // default button border color
         aColor = GDK_COLOR_TO_NS_RGB(mStyle->black);
@@ -552,8 +552,8 @@ nsLookAndFeel::NativeGetColor(ColorID aID, nscolor& aColor)
     }
     case eColorID__moz_buttonhoverface: {
         GtkStyleContext *style = ClaimStyleContext(MOZ_GTK_BUTTON);
-        gtk_style_context_get_background_color(style, 
-                                               GTK_STATE_FLAG_PRELIGHT, 
+        gtk_style_context_get_background_color(style,
+                                               GTK_STATE_FLAG_PRELIGHT,
                                                &gdk_color);
         aColor = GDK_RGBA_TO_NS_RGBA(gdk_color);
         ReleaseStyleContext(style);
@@ -637,7 +637,7 @@ static int32_t ConvertGTKStepperStyleToMozillaScrollArrowStyle(GtkWidget* aWidge
 {
     if (!aWidget)
         return mozilla::LookAndFeel::eScrollArrowStyle_Single;
-  
+
     return
         CheckWidgetStyle(aWidget, "has-backward-stepper",
                          mozilla::LookAndFeel::eScrollArrow_StartBackward) |
@@ -654,7 +654,7 @@ nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
 {
     nsresult res = NS_OK;
 
-    // Set these before they can get overrided in the nsXPLookAndFeel. 
+    // Set these before they can get overrided in the nsXPLookAndFeel.
     switch (aID) {
     case eIntID_ScrollButtonLeftMouseButtonAction:
         aResult = 0;
@@ -686,7 +686,7 @@ nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
                           "gtk-cursor-blink-time", &blink_time,
                           "gtk-cursor-blink", &blink,
                           nullptr);
- 
+
             if (blink)
                 aResult = (int32_t) blink_time;
             else
@@ -708,11 +708,11 @@ nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
             entry = gtk_entry_new();
             g_object_ref_sink(entry);
             settings = gtk_widget_get_settings(entry);
-            g_object_get(settings, 
+            g_object_get(settings,
                          "gtk-entry-select-on-focus",
                          &select_on_focus,
                          nullptr);
-            
+
             if(select_on_focus)
                 aResult = 1;
             else
@@ -773,7 +773,7 @@ nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
                          "gtk-dnd-drag-threshold", &threshold,
                          nullptr);
             g_object_ref_sink(box);
-            
+
             aResult = threshold;
         }
         break;
@@ -818,6 +818,7 @@ nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
 #endif
         break;
     case eIntID_MacGraphiteTheme:
+    case eIntID_MacLionTheme:
         aResult = 0;
         res = NS_ERROR_NOT_IMPLEMENTED;
         break;
@@ -1082,7 +1083,7 @@ nsLookAndFeel::Init()
 
     gtk_widget_destroy(widget);
     g_object_unref(widget);
-        
+
     // tooltip foreground and background
     GtkStyle *style = gtk_rc_get_style_by_paths(gtk_settings_get_default(),
                                                 "gtk-tooltips", "GtkWindow",
@@ -1116,7 +1117,7 @@ nsLookAndFeel::Init()
     if (style) {
         sMenuBackground = GDK_COLOR_TO_NS_RGB(style->bg[GTK_STATE_NORMAL]);
     }
-    
+
     style = gtk_widget_get_style(menuitem);
     if (style) {
         sMenuHover = GDK_COLOR_TO_NS_RGB(style->bg[GTK_STATE_PRELIGHT]);
@@ -1225,7 +1226,7 @@ nsLookAndFeel::Init()
     gtk_container_add(GTK_CONTAINER(window), parent);
     gtk_container_add(GTK_CONTAINER(parent), entry);
     gtk_container_add(GTK_CONTAINER(parent), textView);
-    
+
 #if (MOZ_WIDGET_GTK == 2)
     gtk_widget_set_style(button, nullptr);
     gtk_widget_set_style(label, nullptr);
@@ -1348,7 +1349,7 @@ nsLookAndFeel::Init()
     sComboBoxText = GDK_RGBA_TO_NS_RGBA(color);
     ReleaseStyleContext(style);
 
-    // Menubar text and hover text colors    
+    // Menubar text and hover text colors
     style = ClaimStyleContext(MOZ_GTK_MENUBARITEM);
     gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
     sMenuBarText = GDK_RGBA_TO_NS_RGBA(color);
diff --git a/widget/windows/nsLookAndFeel.cpp b/widget/windows/nsLookAndFeel.cpp
index 06eee3771..97f81abfd 100644
--- a/widget/windows/nsLookAndFeel.cpp
+++ b/widget/windows/nsLookAndFeel.cpp
@@ -423,6 +423,7 @@ nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
     }
 
     case eIntID_MacGraphiteTheme:
+    case eIntID_MacLionTheme:
         aResult = 0;
         res = NS_ERROR_NOT_IMPLEMENTED;
         break;