BlueWallet/components/navigationStyle.tsx

import React from 'react';
import { Image, Keyboard, TouchableOpacity, StyleSheet } from 'react-native';
import { Theme } from './themes';
import loc from '../loc';

const styles = StyleSheet.create({
  button: {
    minWidth: 40,
    height: 40,
    justifyContent: 'center',
    alignItems: 'center',
  },
});

type NavigationOptions = {
  headerStyle?: {
    borderBottomWidth: number;
    elevation: number;
    shadowOpacity?: number;
    shadowOffset: { height?: number; width?: number };
  };
  headerTitleStyle?: {
    fontWeight: string;
    color: string;
  };
  headerLargeTitle?: boolean;
  headerBackVisible?: boolean;
  gestureEnabled?: boolean;
  swipeEnabled?: boolean;
  headerTransparent?: boolean;
  headerHideBackButton?: boolean;
  headerLeft?: (() => React.ReactElement) | null;
  headerRight?: (() => React.ReactElement) | null;
  headerBackTitleVisible?: false;
  headerBackButtonMenuEnabled?: boolean;
  headerShadowVisible?: boolean;
  headerTintColor?: string;
  title?: string;
};

type OptionsFormatter = (options: NavigationOptions, deps: { theme: Theme; navigation: any; route: any }) => NavigationOptions;

export type NavigationOptionsGetter = (theme: Theme) => (deps: { navigation: any; route: any }) => NavigationOptions;

const navigationStyle = (
  {
    closeButton = false,
    closeButtonFunc,
    headerBackVisible,
    ...opts
  }: NavigationOptions & {
    closeButton?: boolean;

    closeButtonFunc?: (deps: { navigation: any; route: any }) => React.ReactElement;
  },
  formatter: OptionsFormatter,
): NavigationOptionsGetter => {
  return theme =>
    ({ navigation, route }) => {
      let headerRight;
      let headerLeft;
      if (closeButton) {
        const handleClose = closeButtonFunc
          ? () => closeButtonFunc({ navigation, route })
          : () => {
              Keyboard.dismiss();
              navigation.goBack(null);
            };
        headerRight = () => (
          <TouchableOpacity
            accessibilityRole="button"
            accessibilityLabel={loc._.close}
            style={styles.button}
            onPress={handleClose}
            testID="NavigationCloseButton"
          >
            <Image source={theme.closeImage} />
          </TouchableOpacity>
        );
      }

      // Workaround for https://github.com/BlueWallet/BlueWallet/issues/6030
      if (!headerBackVisible) {
        headerLeft = () => <></>;
        opts.headerLeft = headerLeft;
      }
      //

      let options: NavigationOptions = {
        headerShadowVisible: false,
        headerTitleStyle: {
          fontWeight: '600',
          color: theme.colors.foregroundColor,
        },
        headerRight,
        headerBackTitleVisible: false,
        headerTintColor: theme.colors.foregroundColor,
        ...opts,
      };

      if (formatter) {
        options = formatter(options, { theme, navigation, route });
      }

      return options;
    };
};

export default navigationStyle;

export const navigationStyleTx = (opts: NavigationOptions, formatter: OptionsFormatter): NavigationOptionsGetter => {
  return theme =>
    ({ navigation, route }) => {
      let options: NavigationOptions = {
        headerStyle: {
          borderBottomWidth: 0,
          elevation: 0,
          shadowOffset: { height: 0, width: 0 },
        },
        headerTitleStyle: {
          fontWeight: '600',
          color: theme.colors.foregroundColor,
        },
        // headerBackTitle: null,
        headerBackTitleVisible: false,
        headerTintColor: theme.colors.foregroundColor,
        headerLeft: () => (
          <TouchableOpacity
            accessibilityRole="button"
            accessibilityLabel={loc._.close}
            style={styles.button}
            onPress={() => {
              Keyboard.dismiss();
              navigation.goBack(null);
            }}
          >
            <Image source={theme.closeImage} />
          </TouchableOpacity>
        ),
        ...opts,
      };

      if (formatter) {
        options = formatter(options, { theme, navigation, route });
      }

      return options;
    };
};