Merge pull request #1345 from 0xProject/fix/instant/progress-bar-bg

[instant] Progress bar background

packages/instant/src/components/timed_progress_bar.tsx

@@ -1,8 +1,9 @@
 import * as _ from 'lodash';
+import { transparentize } from 'polished';
 import * as React from 'react';
 
 import { PROGRESS_FINISH_ANIMATION_TIME_MS, PROGRESS_STALL_AT_WIDTH } from '../constants';
-import { ColorOption, css, keyframes, styled } from '../style/theme';
+import { ColorOption, css, keyframes, styled, ThemeConsumer } from '../style/theme';
 
 import { Container } from './ui/container';
 
@@ -93,8 +94,16 @@ export interface ProgressBarProps extends ProgressProps {}
 
 export const ProgressBar: React.ComponentType<ProgressBarProps & React.ClassAttributes<{}>> = React.forwardRef(
     (props, ref) => (
-        <Container width="100%" backgroundColor={ColorOption.lightGrey} borderRadius="6px">
+        <ThemeConsumer>
-            <Progress {...props} ref={ref as any} />
+            {theme => (
-        </Container>
+                <Container
+                    width="100%"
+                    borderRadius="6px"
+                    rawBackgroundColor={transparentize(0.5, theme[ColorOption.primaryColor])}
+                >
+                    <Progress {...props} ref={ref as any} />
+                </Container>
+            )}
+        </ThemeConsumer>
     ),
 );

packages/instant/src/components/ui/container.tsx

@@ -27,6 +27,7 @@ export interface ContainerProps {
     borderBottom?: string;
     className?: string;
     backgroundColor?: ColorOption;
+    rawBackgroundColor?: string;
     hasBoxShadow?: boolean;
     zIndex?: number;
     whiteSpace?: string;
@@ -38,6 +39,16 @@ export interface ContainerProps {
     flexGrow?: string | number;
 }
 
+const getBackgroundColor = (theme: any, backgroundColor?: ColorOption, rawBackgroundColor?: string): string => {
+    if (backgroundColor) {
+        return theme[backgroundColor] as string;
+    }
+    if (rawBackgroundColor) {
+        return rawBackgroundColor;
+    }
+    return 'none';
+};
+
 export const Container =
     styled.div <
     ContainerProps >
@@ -70,7 +81,7 @@ export const Container =
         ${props => props.width && stylesForMedia<string>('width', props.width)}
         ${props => props.height && stylesForMedia<string>('height', props.height)}
         ${props => props.borderRadius && stylesForMedia<string>('border-radius', props.borderRadius)}
-        background-color: ${props => (props.backgroundColor ? props.theme[props.backgroundColor] : 'none')};
+        background-color: ${props => getBackgroundColor(props.theme, props.backgroundColor, props.rawBackgroundColor)};
         border-color: ${props => (props.borderColor ? props.theme[props.borderColor] : 'none')};
         &:hover {
             ${props =>

packages/instant/src/style/theme.ts

@@ -1,6 +1,14 @@
 import * as styledComponents from 'styled-components';
 
-const { default: styled, css, keyframes, withTheme, createGlobalStyle, ThemeProvider } = styledComponents;
+const {
+    default: styled,
+    css,
+    keyframes,
+    withTheme,
+    createGlobalStyle,
+    ThemeConsumer,
+    ThemeProvider,
+} = styledComponents;
 
 export type Theme = { [key in ColorOption]: string };
 
@@ -45,4 +53,4 @@ export const generateOverlayBlack = (opacity = 0.6) => {
     return `rgba(0, 0, 0, ${opacity})`;
 };
 
-export { styled, css, keyframes, withTheme, createGlobalStyle, ThemeProvider };
+export { styled, css, keyframes, withTheme, createGlobalStyle, ThemeConsumer, ThemeProvider };