diff options
| -rw-r--r-- | app/scripts/metamask-controller.js | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js index 29838ad2d..9082daac9 100644 --- a/app/scripts/metamask-controller.js +++ b/app/scripts/metamask-controller.js @@ -67,6 +67,10 @@ module.exports = class MetamaskController extends EventEmitter { const initState = opts.initState || {} this.recordFirstTimeInfo(initState) + // this keeps track of how many "controllerStream" connections are open + // the only thing that uses controller connections are open metamask UI instances + this.activeControllerConnections = 0 + // platform-specific api this.platform = opts.platform @@ -1209,11 +1213,19 @@ module.exports = class MetamaskController extends EventEmitter { setupControllerConnection (outStream) { const api = this.getApi() const dnode = Dnode(api) + // report new active controller connection + this.activeControllerConnections++ + this.emit('controllerConnectionChanged', this.activeControllerConnections) + // connect dnode api to remote connection pump( outStream, dnode, outStream, (err) => { + // report new active controller connection + this.activeControllerConnections-- + this.emit('controllerConnectionChanged', this.activeControllerConnections) + // report any error if (err) log.error(err) } ) |