diff options
Diffstat (limited to 'packages/taler-wallet-webextension/src/platform/chrome.ts')
-rw-r--r-- | packages/taler-wallet-webextension/src/platform/chrome.ts | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/packages/taler-wallet-webextension/src/platform/chrome.ts b/packages/taler-wallet-webextension/src/platform/chrome.ts index 0f6b5fb0d..34057a310 100644 --- a/packages/taler-wallet-webextension/src/platform/chrome.ts +++ b/packages/taler-wallet-webextension/src/platform/chrome.ts @@ -58,6 +58,7 @@ const api: BackgroundPlatformAPI & ForegroundPlatformAPI = { sendMessageToBackground, useServiceWorkerAsBackgroundProcess, keepAlive, + listenNetworkConnectionState, }; export default api; @@ -762,3 +763,20 @@ async function findTalerUriInActiveTab(): Promise<string | undefined> { if (!tab || tab.id === undefined) return; return findTalerUriInTab(tab.id); } + +function listenNetworkConnectionState( + notify: (state: "on" | "off") => void, +): () => void { + function notifyOffline() { + notify("off"); + } + function notifyOnline() { + notify("on"); + } + window.addEventListener("offline", notifyOffline); + window.addEventListener("online", notifyOnline); + return () => { + window.removeEventListener("offline", notifyOffline); + window.removeEventListener("online", notifyOnline); + }; +} |