feat(core): onPrimaryColor

Author: farfromrefug

src/core/index.android.ts

@@ -20,6 +20,7 @@ function createCornerTreatment(cornerFamily: CornerFamily): com.google.android.m
 // stub class as we don't use this on android
 export class Themer {
     primaryColor: string | Color;
+    onPrimaryColor: string | Color;
     accentColor: string | Color;
     secondaryColor: string | Color;
     primaryColorVariant: string | Color;
@@ -45,6 +46,16 @@ export class Themer {
         return this.primaryColor;
     }
 
+    setOnPrimaryColor(value) {
+        this.onPrimaryColor = value;
+    }
+    getOnPrimaryColor() {
+        if (!this.onPrimaryColor) {
+            this.onPrimaryColor = new Color(getAttrColor(Application.android.startActivity, 'colorOnPrimary'));
+        }
+        return this.onPrimaryColor;
+    }
+
     setAccentColor(value: string | Color) {
         if (!this.accentColor) {
             this.accentColor = new Color(getAttrColor(Application.android.startActivity, 'colorAccent'));

src/core/index.ios.ts

@@ -47,6 +47,7 @@ export class Themer {
     appColorScheme: MDCSemanticColorScheme;
     appTypoScheme: MDCTypographyScheme;
     primaryColor: string | Color;
+    onPrimaryColor: string | Color;
     secondaryColor: string | Color;
     accentColor: string | Color;
     primaryColorVariant: string | Color;
@@ -74,11 +75,20 @@ export class Themer {
         const color = value instanceof Color ? value : new Color(value);
         colorTheme.primaryColor = color.ios;
         this.appColorScheme.primaryColorVariant = this.appColorScheme.primaryColor.colorWithAlphaComponent(0.24);
-        // colorTheme.primaryColorVariant = new Color(61.2, color.r, color.g, color.b).ios; // default alpha is 0.24
     }
     getPrimaryColor(): string | Color {
         return this.primaryColor;
     }
+
+    setOnPrimaryColor(value) {
+        this.onPrimaryColor = value;
+        const colorTheme = this.getOrcreateAppColorScheme();
+        const color = value instanceof Color ? value : new Color(value);
+        colorTheme.onPrimaryColor = color.ios;
+    }
+    getOnPrimaryColor() {
+        return this.onPrimaryColor;
+    }
     setSecondaryColor(value: string | Color) {
         this.secondaryColor = value;
         const colorTheme = this.getOrcreateAppColorScheme();