Bug 1598539 : convert NS_STYLE_IME_MODE_* to an enum class in nsStyleConsts.h r=emilio

Differential Revision: https://phabricator.services.mozilla.com/D54255

--HG--
extra : moz-landing-system : lando

editor/libeditor/EditorBase.cpp

@@ -2396,19 +2396,21 @@ nsresult EditorBase::GetPreferredIMEState(IMEState* aState) {
   NS_ENSURE_TRUE(frame, NS_ERROR_FAILURE);
 
   switch (frame->StyleUIReset()->mIMEMode) {
-    case NS_STYLE_IME_MODE_AUTO:
+    case StyleImeMode::Auto:
       if (IsPasswordEditor()) aState->mEnabled = IMEState::PASSWORD;
       break;
-    case NS_STYLE_IME_MODE_DISABLED:
+    case StyleImeMode::Disabled:
       // we should use password state for |ime-mode: disabled;|.
       aState->mEnabled = IMEState::PASSWORD;
       break;
-    case NS_STYLE_IME_MODE_ACTIVE:
+    case StyleImeMode::Active:
       aState->mOpen = IMEState::OPEN;
       break;
-    case NS_STYLE_IME_MODE_INACTIVE:
+    case StyleImeMode::Inactive:
       aState->mOpen = IMEState::CLOSED;
       break;
+    case StyleImeMode::Normal:
+      break;
   }
 
   return NS_OK;

layout/style/ServoBindings.toml

@@ -119,6 +119,7 @@ rusty-enums = [
     "mozilla::StyleRuleInclusion",
     "mozilla::StyleGridTrackBreadth",
     "mozilla::StyleOverscrollBehavior",
+    "mozilla::StyleImeMode",
     "mozilla::StyleOverflowAnchor",
     "mozilla::StyleScrollbarWidth",
     "mozilla::StyleWhiteSpace",

layout/style/nsStyleConsts.h

@@ -722,11 +722,13 @@ enum class StyleWhiteSpace : uint8_t {
 #define NS_STYLE_PAGE_BREAK_RIGHT 4
 
 // See nsStyleUIReset
-#define NS_STYLE_IME_MODE_AUTO 0
+enum class StyleImeMode : uint8_t {
-#define NS_STYLE_IME_MODE_NORMAL 1
+  Auto,
-#define NS_STYLE_IME_MODE_ACTIVE 2
+  Normal,
-#define NS_STYLE_IME_MODE_DISABLED 3
+  Active,
-#define NS_STYLE_IME_MODE_INACTIVE 4
+  Disabled,
+  Inactive,
+};
 
 // See nsStyleSVG
 

layout/style/nsStyleStruct.cpp

@@ -3703,7 +3703,7 @@ nsStyleUIReset::nsStyleUIReset(const Document& aDocument)
     : mUserSelect(StyleUserSelect::Auto),
       mScrollbarWidth(StyleScrollbarWidth::Auto),
       mForceBrokenImageIcon(0),
-      mIMEMode(NS_STYLE_IME_MODE_AUTO),
+      mIMEMode(StyleImeMode::Auto),
       mWindowDragging(StyleWindowDragging::Default),
       mWindowShadow(NS_STYLE_WINDOW_SHADOW_DEFAULT),
       mWindowOpacity(1.0),

layout/style/nsStyleStruct.h

@@ -2074,7 +2074,7 @@ struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleUIReset {
   mozilla::StyleUserSelect mUserSelect;  // [reset](selection-style)
   mozilla::StyleScrollbarWidth mScrollbarWidth;
   uint8_t mForceBrokenImageIcon;  // (0 if not forcing, otherwise forcing)
-  uint8_t mIMEMode;
+  mozilla::StyleImeMode mIMEMode;
   mozilla::StyleWindowDragging mWindowDragging;
   uint8_t mWindowShadow;
   float mWindowOpacity;

servo/components/style/properties/longhands/ui.mako.rs

@@ -15,6 +15,7 @@ ${helpers.single_keyword(
     "ime-mode",
     "auto normal active disabled inactive",
     engines="gecko",
+    gecko_enum_prefix="StyleImeMode",
     gecko_ffi_name="mIMEMode",
     animation_value_type="discrete",
     spec="https://drafts.csswg.org/css-ui/#input-method-editor",