This app provides monitoring and information features for the common freifunk user and the technical stuff of a freifunk community.
Code base is taken from a TUM Practical Course project and added here to see if Freifunk Altdorf can use it.
https://www.freifunk-altdorf.de
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456 lines
14 KiB
456 lines
14 KiB
/** |
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* Copyright (c) 2015-present, Facebook, Inc. |
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* |
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* This source code is licensed under the MIT license found in the |
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* LICENSE file in the root directory of this source tree. |
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* |
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* @providesModule WebView |
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*/ |
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'use strict'; |
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const EdgeInsetsPropType = require('EdgeInsetsPropType'); |
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const ActivityIndicator = require('ActivityIndicator'); |
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const React = require('React'); |
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const PropTypes = require('prop-types'); |
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const ReactNative = require('ReactNative'); |
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const StyleSheet = require('StyleSheet'); |
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const UIManager = require('UIManager'); |
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const View = require('View'); |
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const ViewPropTypes = require('ViewPropTypes'); |
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const deprecatedPropType = require('deprecatedPropType'); |
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const keyMirror = require('fbjs/lib/keyMirror'); |
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const requireNativeComponent = require('requireNativeComponent'); |
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const resolveAssetSource = require('resolveAssetSource'); |
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const RCT_WEBVIEW_REF = 'webview'; |
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const WebViewState = keyMirror({ |
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IDLE: null, |
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LOADING: null, |
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ERROR: null, |
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}); |
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const defaultRenderLoading = () => ( |
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<View style={styles.loadingView}> |
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<ActivityIndicator |
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style={styles.loadingProgressBar} |
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/> |
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</View> |
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); |
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/** |
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* Renders a native WebView. |
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*/ |
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class WebView extends React.Component { |
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static get extraNativeComponentConfig() { |
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return { |
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nativeOnly: { |
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messagingEnabled: PropTypes.bool, |
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}, |
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}; |
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} |
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static propTypes = { |
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...ViewPropTypes, |
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renderError: PropTypes.func, |
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renderLoading: PropTypes.func, |
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onLoad: PropTypes.func, |
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onLoadEnd: PropTypes.func, |
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onLoadStart: PropTypes.func, |
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onError: PropTypes.func, |
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automaticallyAdjustContentInsets: PropTypes.bool, |
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contentInset: EdgeInsetsPropType, |
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onNavigationStateChange: PropTypes.func, |
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onMessage: PropTypes.func, |
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onContentSizeChange: PropTypes.func, |
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startInLoadingState: PropTypes.bool, // force WebView to show loadingView on first load |
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style: ViewPropTypes.style, |
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html: deprecatedPropType( |
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PropTypes.string, |
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'Use the `source` prop instead.' |
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), |
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url: deprecatedPropType( |
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PropTypes.string, |
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'Use the `source` prop instead.' |
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), |
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/** |
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* Loads static html or a uri (with optional headers) in the WebView. |
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*/ |
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source: PropTypes.oneOfType([ |
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PropTypes.shape({ |
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/* |
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* The URI to load in the WebView. Can be a local or remote file. |
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*/ |
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uri: PropTypes.string, |
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/* |
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* The HTTP Method to use. Defaults to GET if not specified. |
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* NOTE: On Android, only GET and POST are supported. |
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*/ |
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method: PropTypes.oneOf(['GET', 'POST']), |
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/* |
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* Additional HTTP headers to send with the request. |
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* NOTE: On Android, this can only be used with GET requests. |
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*/ |
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headers: PropTypes.object, |
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/* |
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* The HTTP body to send with the request. This must be a valid |
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* UTF-8 string, and will be sent exactly as specified, with no |
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* additional encoding (e.g. URL-escaping or base64) applied. |
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* NOTE: On Android, this can only be used with POST requests. |
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*/ |
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body: PropTypes.string, |
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}), |
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PropTypes.shape({ |
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/* |
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* A static HTML page to display in the WebView. |
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*/ |
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html: PropTypes.string, |
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/* |
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* The base URL to be used for any relative links in the HTML. |
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*/ |
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baseUrl: PropTypes.string, |
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}), |
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/* |
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* Used internally by packager. |
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*/ |
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PropTypes.number, |
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]), |
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/** |
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* Used on Android only, JS is enabled by default for WebView on iOS |
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* @platform android |
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*/ |
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javaScriptEnabled: PropTypes.bool, |
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/** |
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* Used on Android Lollipop and above only, third party cookies are enabled |
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* by default for WebView on Android Kitkat and below and on iOS |
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* @platform android |
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*/ |
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thirdPartyCookiesEnabled: PropTypes.bool, |
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/** |
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* Used on Android only, controls whether DOM Storage is enabled or not |
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* @platform android |
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*/ |
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domStorageEnabled: PropTypes.bool, |
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/** |
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* Sets the JS to be injected when the webpage loads. |
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*/ |
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injectedJavaScript: PropTypes.string, |
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/** |
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* Sets whether the webpage scales to fit the view and the user can change the scale. |
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*/ |
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scalesPageToFit: PropTypes.bool, |
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/** |
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* Sets the user-agent for this WebView. The user-agent can also be set in native using |
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* WebViewConfig. This prop will overwrite that config. |
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*/ |
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userAgent: PropTypes.string, |
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/** |
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* Used to locate this view in end-to-end tests. |
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*/ |
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testID: PropTypes.string, |
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/** |
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* Determines whether HTML5 audio & videos require the user to tap before they can |
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* start playing. The default value is `false`. |
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*/ |
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mediaPlaybackRequiresUserAction: PropTypes.bool, |
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/** |
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* Boolean that sets whether JavaScript running in the context of a file |
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* scheme URL should be allowed to access content from any origin. |
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* Including accessing content from other file scheme URLs |
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* @platform android |
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*/ |
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allowUniversalAccessFromFileURLs: PropTypes.bool, |
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/** |
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* Function that accepts a string that will be passed to the WebView and |
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* executed immediately as JavaScript. |
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*/ |
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injectJavaScript: PropTypes.func, |
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/** |
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* Specifies the mixed content mode. i.e WebView will allow a secure origin to load content from any other origin. |
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* |
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* Possible values for `mixedContentMode` are: |
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* |
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* - `'never'` (default) - WebView will not allow a secure origin to load content from an insecure origin. |
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* - `'always'` - WebView will allow a secure origin to load content from any other origin, even if that origin is insecure. |
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* - `'compatibility'` - WebView will attempt to be compatible with the approach of a modern web browser with regard to mixed content. |
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* @platform android |
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*/ |
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mixedContentMode: PropTypes.oneOf([ |
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'never', |
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'always', |
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'compatibility' |
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]), |
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/** |
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* Used on Android only, controls whether form autocomplete data should be saved |
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* @platform android |
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*/ |
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saveFormDataDisabled: PropTypes.bool, |
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/** |
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* Override the native component used to render the WebView. Enables a custom native |
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* WebView which uses the same JavaScript as the original WebView. |
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*/ |
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nativeConfig: PropTypes.shape({ |
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/* |
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* The native component used to render the WebView. |
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*/ |
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component: PropTypes.any, |
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/* |
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* Set props directly on the native component WebView. Enables custom props which the |
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* original WebView doesn't pass through. |
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*/ |
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props: PropTypes.object, |
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/* |
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* Set the ViewManager to use for communcation with the native side. |
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* @platform ios |
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*/ |
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viewManager: PropTypes.object, |
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}), |
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/* |
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* Used on Android only, controls whether the given list of URL prefixes should |
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* make {@link com.facebook.react.views.webview.ReactWebViewClient} to launch a |
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* default activity intent for those URL instead of loading it within the webview. |
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* Use this to list URLs that WebView cannot handle, e.g. a PDF url. |
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* @platform android |
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*/ |
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urlPrefixesForDefaultIntent: PropTypes.arrayOf(PropTypes.string), |
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}; |
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static defaultProps = { |
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javaScriptEnabled : true, |
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thirdPartyCookiesEnabled: true, |
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scalesPageToFit: true, |
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saveFormDataDisabled: false |
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}; |
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state = { |
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viewState: WebViewState.IDLE, |
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lastErrorEvent: null, |
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startInLoadingState: true, |
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}; |
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UNSAFE_componentWillMount() { |
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if (this.props.startInLoadingState) { |
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this.setState({viewState: WebViewState.LOADING}); |
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} |
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} |
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render() { |
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let otherView = null; |
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if (this.state.viewState === WebViewState.LOADING) { |
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otherView = (this.props.renderLoading || defaultRenderLoading)(); |
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} else if (this.state.viewState === WebViewState.ERROR) { |
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const errorEvent = this.state.lastErrorEvent; |
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otherView = this.props.renderError && this.props.renderError( |
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errorEvent.domain, |
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errorEvent.code, |
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errorEvent.description); |
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} else if (this.state.viewState !== WebViewState.IDLE) { |
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console.error('RCTWebView invalid state encountered: ' + this.state.loading); |
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} |
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const webViewStyles = [styles.container, this.props.style]; |
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if (this.state.viewState === WebViewState.LOADING || |
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this.state.viewState === WebViewState.ERROR) { |
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// if we're in either LOADING or ERROR states, don't show the webView |
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webViewStyles.push(styles.hidden); |
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} |
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const source = this.props.source || {}; |
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if (this.props.html) { |
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source.html = this.props.html; |
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} else if (this.props.url) { |
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source.uri = this.props.url; |
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} |
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if (source.method === 'POST' && source.headers) { |
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console.warn('WebView: `source.headers` is not supported when using POST.'); |
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} else if (source.method === 'GET' && source.body) { |
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console.warn('WebView: `source.body` is not supported when using GET.'); |
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} |
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const nativeConfig = this.props.nativeConfig || {}; |
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let NativeWebView = nativeConfig.component || RCTWebView; |
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const webView = |
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<NativeWebView |
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ref={RCT_WEBVIEW_REF} |
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key="webViewKey" |
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style={webViewStyles} |
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source={resolveAssetSource(source)} |
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scalesPageToFit={this.props.scalesPageToFit} |
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injectedJavaScript={this.props.injectedJavaScript} |
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userAgent={this.props.userAgent} |
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javaScriptEnabled={this.props.javaScriptEnabled} |
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thirdPartyCookiesEnabled={this.props.thirdPartyCookiesEnabled} |
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domStorageEnabled={this.props.domStorageEnabled} |
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messagingEnabled={typeof this.props.onMessage === 'function'} |
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onMessage={this.onMessage} |
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contentInset={this.props.contentInset} |
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automaticallyAdjustContentInsets={this.props.automaticallyAdjustContentInsets} |
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onContentSizeChange={this.props.onContentSizeChange} |
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onLoadingStart={this.onLoadingStart} |
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onLoadingFinish={this.onLoadingFinish} |
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onLoadingError={this.onLoadingError} |
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testID={this.props.testID} |
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mediaPlaybackRequiresUserAction={this.props.mediaPlaybackRequiresUserAction} |
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allowUniversalAccessFromFileURLs={this.props.allowUniversalAccessFromFileURLs} |
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mixedContentMode={this.props.mixedContentMode} |
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saveFormDataDisabled={this.props.saveFormDataDisabled} |
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urlPrefixesForDefaultIntent={this.props.urlPrefixesForDefaultIntent} |
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{...nativeConfig.props} |
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/>; |
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return ( |
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<View style={styles.container}> |
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{webView} |
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{otherView} |
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</View> |
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); |
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} |
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goForward = () => { |
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UIManager.dispatchViewManagerCommand( |
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this.getWebViewHandle(), |
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UIManager.RCTWebView.Commands.goForward, |
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null |
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); |
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}; |
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goBack = () => { |
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UIManager.dispatchViewManagerCommand( |
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this.getWebViewHandle(), |
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UIManager.RCTWebView.Commands.goBack, |
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null |
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); |
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}; |
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reload = () => { |
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this.setState({ |
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viewState: WebViewState.LOADING |
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}); |
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UIManager.dispatchViewManagerCommand( |
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this.getWebViewHandle(), |
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UIManager.RCTWebView.Commands.reload, |
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null |
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); |
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}; |
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stopLoading = () => { |
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UIManager.dispatchViewManagerCommand( |
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this.getWebViewHandle(), |
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UIManager.RCTWebView.Commands.stopLoading, |
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null |
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); |
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}; |
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postMessage = (data) => { |
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UIManager.dispatchViewManagerCommand( |
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this.getWebViewHandle(), |
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UIManager.RCTWebView.Commands.postMessage, |
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[String(data)] |
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); |
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}; |
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/** |
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* Injects a javascript string into the referenced WebView. Deliberately does not |
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* return a response because using eval() to return a response breaks this method |
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* on pages with a Content Security Policy that disallows eval(). If you need that |
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* functionality, look into postMessage/onMessage. |
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*/ |
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injectJavaScript = (data) => { |
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UIManager.dispatchViewManagerCommand( |
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this.getWebViewHandle(), |
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UIManager.RCTWebView.Commands.injectJavaScript, |
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[data] |
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); |
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}; |
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/** |
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* We return an event with a bunch of fields including: |
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* url, title, loading, canGoBack, canGoForward |
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*/ |
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updateNavigationState = (event) => { |
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if (this.props.onNavigationStateChange) { |
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this.props.onNavigationStateChange(event.nativeEvent); |
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} |
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}; |
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getWebViewHandle = () => { |
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return ReactNative.findNodeHandle(this.refs[RCT_WEBVIEW_REF]); |
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}; |
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onLoadingStart = (event) => { |
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const onLoadStart = this.props.onLoadStart; |
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onLoadStart && onLoadStart(event); |
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this.updateNavigationState(event); |
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}; |
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onLoadingError = (event) => { |
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event.persist(); // persist this event because we need to store it |
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const {onError, onLoadEnd} = this.props; |
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onError && onError(event); |
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onLoadEnd && onLoadEnd(event); |
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console.warn('Encountered an error loading page', event.nativeEvent); |
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this.setState({ |
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lastErrorEvent: event.nativeEvent, |
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viewState: WebViewState.ERROR |
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}); |
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}; |
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onLoadingFinish = (event) => { |
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const {onLoad, onLoadEnd} = this.props; |
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onLoad && onLoad(event); |
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onLoadEnd && onLoadEnd(event); |
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this.setState({ |
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viewState: WebViewState.IDLE, |
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}); |
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this.updateNavigationState(event); |
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}; |
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onMessage = (event: Event) => { |
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const {onMessage} = this.props; |
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onMessage && onMessage(event); |
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} |
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} |
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const RCTWebView = requireNativeComponent('RCTWebView', WebView, WebView.extraNativeComponentConfig); |
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const styles = StyleSheet.create({ |
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container: { |
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flex: 1, |
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}, |
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hidden: { |
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height: 0, |
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flex: 0, // disable 'flex:1' when hiding a View |
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}, |
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loadingView: { |
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flex: 1, |
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justifyContent: 'center', |
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alignItems: 'center', |
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}, |
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loadingProgressBar: { |
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height: 20, |
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}, |
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}); |
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module.exports = WebView;
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