diff options
Diffstat (limited to 'app/scripts/lib')
-rw-r--r-- | app/scripts/lib/auto-reload.js | 61 | ||||
-rw-r--r-- | app/scripts/lib/createStreamSink.js | 24 | ||||
-rw-r--r-- | app/scripts/lib/get-first-preferred-lang-code.js | 20 | ||||
-rw-r--r-- | app/scripts/lib/notification-manager.js | 6 |
4 files changed, 106 insertions, 5 deletions
diff --git a/app/scripts/lib/auto-reload.js b/app/scripts/lib/auto-reload.js new file mode 100644 index 000000000..cce31c3d2 --- /dev/null +++ b/app/scripts/lib/auto-reload.js @@ -0,0 +1,61 @@ +module.exports = setupDappAutoReload + +function setupDappAutoReload (web3, observable) { + // export web3 as a global, checking for usage + let hasBeenWarned = false + let reloadInProgress = false + let lastTimeUsed + let lastSeenNetwork + + global.web3 = new Proxy(web3, { + get: (_web3, key) => { + // show warning once on web3 access + if (!hasBeenWarned && key !== 'currentProvider') { + console.warn('MetaMask: web3 will be deprecated in the near future in favor of the ethereumProvider \nhttps://github.com/MetaMask/faq/blob/master/detecting_metamask.md#web3-deprecation') + hasBeenWarned = true + } + // get the time of use + lastTimeUsed = Date.now() + // return value normally + return _web3[key] + }, + set: (_web3, key, value) => { + // set value normally + _web3[key] = value + }, + }) + + observable.subscribe(function (state) { + // if reload in progress, no need to check reload logic + if (reloadInProgress) return + + const currentNetwork = state.networkVersion + + // set the initial network + if (!lastSeenNetwork) { + lastSeenNetwork = currentNetwork + return + } + + // skip reload logic if web3 not used + if (!lastTimeUsed) return + + // if network did not change, exit + if (currentNetwork === lastSeenNetwork) return + + // initiate page reload + reloadInProgress = true + const timeSinceUse = Date.now() - lastTimeUsed + // if web3 was recently used then delay the reloading of the page + if (timeSinceUse > 500) { + triggerReset() + } else { + setTimeout(triggerReset, 500) + } + }) +} + +// reload the page +function triggerReset () { + global.location.reload() +} diff --git a/app/scripts/lib/createStreamSink.js b/app/scripts/lib/createStreamSink.js new file mode 100644 index 000000000..cf9416fea --- /dev/null +++ b/app/scripts/lib/createStreamSink.js @@ -0,0 +1,24 @@ +const WritableStream = require('readable-stream').Writable +const promiseToCallback = require('promise-to-callback') + +module.exports = createStreamSink + + +function createStreamSink(asyncWriteFn, _opts) { + return new AsyncWritableStream(asyncWriteFn, _opts) +} + +class AsyncWritableStream extends WritableStream { + + constructor (asyncWriteFn, _opts) { + const opts = Object.assign({ objectMode: true }, _opts) + super(opts) + this._asyncWriteFn = asyncWriteFn + } + + // write from incomming stream to state + _write (chunk, encoding, callback) { + promiseToCallback(this._asyncWriteFn(chunk, encoding))(callback) + } + +} diff --git a/app/scripts/lib/get-first-preferred-lang-code.js b/app/scripts/lib/get-first-preferred-lang-code.js index 1e6a83ba6..41a886d74 100644 --- a/app/scripts/lib/get-first-preferred-lang-code.js +++ b/app/scripts/lib/get-first-preferred-lang-code.js @@ -2,8 +2,7 @@ const extension = require('extensionizer') const promisify = require('pify') const allLocales = require('../../_locales/index.json') -const isSupported = extension.i18n && extension.i18n.getAcceptLanguages -const getPreferredLocales = isSupported ? promisify( +const getPreferredLocales = extension.i18n ? promisify( extension.i18n.getAcceptLanguages, { errorFirst: false } ) : async () => [] @@ -18,7 +17,21 @@ const existingLocaleCodes = allLocales.map(locale => locale.code.toLowerCase().r * */ async function getFirstPreferredLangCode () { - const userPreferredLocaleCodes = await getPreferredLocales() + let userPreferredLocaleCodes + + try { + userPreferredLocaleCodes = await getPreferredLocales() + } catch (e) { + // Brave currently throws when calling getAcceptLanguages, so this handles that. + userPreferredLocaleCodes = [] + } + + // safeguard for Brave Browser until they implement chrome.i18n.getAcceptLanguages + // https://github.com/MetaMask/metamask-extension/issues/4270 + if (!userPreferredLocaleCodes){ + userPreferredLocaleCodes = [] + } + const firstPreferredLangCode = userPreferredLocaleCodes .map(code => code.toLowerCase()) .find(code => existingLocaleCodes.includes(code)) @@ -26,3 +39,4 @@ async function getFirstPreferredLangCode () { } module.exports = getFirstPreferredLangCode + diff --git a/app/scripts/lib/notification-manager.js b/app/scripts/lib/notification-manager.js index 5dfb42078..6b88a7a99 100644 --- a/app/scripts/lib/notification-manager.js +++ b/app/scripts/lib/notification-manager.js @@ -32,6 +32,8 @@ class NotificationManager { type: 'popup', width, height, + }).then((currentPopup) => { + this._popupId = currentPopup.id }) } }) @@ -84,7 +86,7 @@ class NotificationManager { } /** - * Given an array of windows, returns the first that has a 'popup' type, or null if no such window exists. + * Given an array of windows, returns the 'popup' that has been opened by MetaMask, or null if no such window exists. * * @private * @param {array} windows An array of objects containing data about the open MetaMask extension windows. @@ -93,7 +95,7 @@ class NotificationManager { _getPopupIn (windows) { return windows ? windows.find((win) => { // Returns notification popup - return (win && win.type === 'popup') + return (win && win.type === 'popup' && win.id === this._popupId) }) : null } |