add network connection notifications

notifications on network up/down to the ledger

supercedes #3973

app/index.js

@@ -309,6 +309,14 @@ app.on('ready', () => {
     }, appConfig.quitTimeout)
   })
 
+  app.on('network-connected', () => {
+    appActions.networkConnected()
+  })
+
+  app.on('network-disconnected', () => {
+    appActions.networkDisconnected()
+  })
+
   // User initiated exit using File->Quit
   ipcMain.on(messages.RESPONSE_WINDOW_STATE, (wnd, data) => {
     if (data) {

app/ledger.js

@@ -109,7 +109,13 @@ const doAction = (action) => {
       if (action.key === settings.PAYMENTS_ENABLED) return initialize(action.value)
       if (action.key === settings.PAYMENTS_CONTRIBUTION_AMOUNT) return setPaymentInfo(action.value)
       break
+
+    case appConstants.APP_NETWORK_CONNECTED:
+      setTimeout(networkConnected, 1 * msecs.second)
+      break
+
     default:
+      break
   }
 }
 
@@ -1167,6 +1173,19 @@ var cacheReturnValue = () => {
   }
 }
 
+var networkConnected = underscore.debounce(() => {
+  if (!client) return
+
+  if (runTimeoutId) {
+    clearTimeout(runTimeoutId)
+    runTimeoutId = false
+  }
+  if (client.sync(callback) === true) run(random.randomInt({ min: msecs.minute, max: 10 * msecs.minute }))
+
+  if (balanceTimeoutId) clearTimeout(balanceTimeoutId)
+  balanceTimeoutId = setTimeout(getBalance, 5 * msecs.second)
+}, 1 * msecs.minute, true)
+
 /*
  * low-level utilities
  */

docs/appActions.md

@@ -403,6 +403,19 @@ Dispatches a message when appWindowId loses focus
 
 
 
+### networkConnected() 
+
+Dispatches a message when the network is re-connected
+after being disconnected
+
+
+
+### networkDisconnected() 
+
+Dispatches a message when the network is disconnected
+
+
+
 
 * * *
 

js/actions/appActions.js

@@ -464,6 +464,25 @@ const appActions = {
       actionType: AppConstants.APP_WINDOW_BLURRED,
       appWindowId: appWindowId
     })
+  },
+
+  /**
+   * Dispatches a message when the network is re-connected
+   * after being disconnected
+   */
+  networkConnected: function () {
+    AppDispatcher.dispatch({
+      actionType: AppConstants.APP_NETWORK_CONNECTED
+    })
+  },
+
+  /**
+   * Dispatches a message when the network is disconnected
+   */
+  networkDisconnected: function () {
+    AppDispatcher.dispatch({
+      actionType: AppConstants.APP_NETWORK_DISCONNECTED
+    })
   }
 }
 

js/constants/appConstants.js

@@ -44,6 +44,8 @@ const AppConstants = {
   APP_SET_LOGIN_RESPONSE_DETAIL: _,
   APP_WINDOW_BLURRED: _,
   APP_IDLE_STATE_CHANGED: _,
+  APP_NETWORK_CONNECTED: _,
+  APP_NETWORK_DISCONNECTED: _,
   APP_CHANGE_NEW_TAB_DETAIL: _,
   APP_TAB_CREATED: _,
   APP_TAB_DESTROYED: _