react-native-bars/dist/module/NavigationBar.js

Components to control your app status and navigation bars.

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

import * as React from "react";
import { Platform } from "react-native";
import { NativeModule } from "./module";
const isSupportedPlatform = Platform.OS === "android" && Platform.Version >= 27;
export class NavigationBar extends React.Component {
  constructor() {
    super(...arguments);

    _defineProperty(this, "stackEntry", null);
  }

  static createStackEntry(_ref) {
    let {
      barStyle = "light-content"
    } = _ref;
    return {
      barStyle
    };
  }

  static pushStackEntry(props) {
    const entry = NavigationBar.createStackEntry(props);
    NavigationBar.propsStack.push(entry);
    NavigationBar.updatePropsStack();
    return entry;
  }

  static popStackEntry(entry) {
    const index = NavigationBar.propsStack.indexOf(entry);

    if (index !== -1) {
      NavigationBar.propsStack.splice(index, 1);
    }

    NavigationBar.updatePropsStack();
  }

  static replaceStackEntry(entry, props) {
    const newEntry = NavigationBar.createStackEntry(props);
    const index = NavigationBar.propsStack.indexOf(entry);

    if (index !== -1) {
      NavigationBar.propsStack[index] = newEntry;
    }

    NavigationBar.updatePropsStack();
    return newEntry;
  }

  static updatePropsStack() {
    // Send the update to the native module only once at the end of the frame.
    if (NavigationBar.immediate !== null) {
      clearImmediate(NavigationBar.immediate);
    }

    NavigationBar.immediate = setImmediate(() => {
      const oldProps = NavigationBar.mergedProps;
      const lastEntry = NavigationBar.propsStack[NavigationBar.propsStack.length - 1];

      if (isSupportedPlatform && lastEntry != null && ( // Update only if style have changed.
      !oldProps || oldProps.barStyle !== lastEntry.barStyle)) {
        NativeModule === null || NativeModule === void 0 ? void 0 : NativeModule.setNavigationBarStyle(lastEntry.barStyle);
      } // Update the current prop values.


      NavigationBar.mergedProps = {
        barStyle: "light-content",
        ...lastEntry
      };
    });
  }

  componentDidMount() {
    this.stackEntry = NavigationBar.pushStackEntry(this.props);
  }

  componentDidUpdate() {
    if (this.stackEntry) {
      this.stackEntry = NavigationBar.replaceStackEntry(this.stackEntry, this.props);
    }
  }

  componentWillUnmount() {
    if (this.stackEntry) {
      NavigationBar.popStackEntry(this.stackEntry);
    }
  }

  render() {
    return null;
  }

}

_defineProperty(NavigationBar, "propsStack", []);

_defineProperty(NavigationBar, "immediate", null);

_defineProperty(NavigationBar, "mergedProps", null);

_defineProperty(NavigationBar, "currentHeight", NativeModule === null || NativeModule === void 0 ? void 0 : NativeModule.navigationBarHeight);
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