add device notifications to the daemon command

packages/flutter_tools/lib/src/device.dart

@@ -21,8 +21,14 @@ abstract class Device {
     return _deviceCache.putIfAbsent(id, () => constructor(id));
   }
 
+  static void removeFromCache(String id) {
+    _deviceCache.remove(id);
+  }
+
   Device._(this.id);
 
+  String get name;
+
   /// Install an app package on the current device
   bool installApp(ApplicationPackage app);
 
@@ -532,20 +538,25 @@ class AndroidDevice extends Device {
   String modelID;
   String deviceCodeName;
 
+  bool _connected;
   String _adbPath;
   String get adbPath => _adbPath;
   bool _hasAdb = false;
   bool _hasValidAndroid = false;
 
-  factory AndroidDevice(
-      {String id: null,
-      String productID: null,
-      String modelID: null,
-      String deviceCodeName: null}) {
+  factory AndroidDevice({
+    String id: null,
+    String productID: null,
+    String modelID: null,
+    String deviceCodeName: null,
+    bool connected
+  }) {
     AndroidDevice device = Device._unique(id ?? defaultDeviceID, (String id) => new AndroidDevice._(id));
     device.productID = productID;
     device.modelID = modelID;
     device.deviceCodeName = deviceCodeName;
+    if (connected != null)
+      device._connected = connected;
     return device;
   }
 
@@ -553,7 +564,7 @@ class AndroidDevice extends Device {
   /// we don't have to rely on the test setup having adb available to it.
   static List<AndroidDevice> getAttachedDevices([AndroidDevice mockAndroid]) {
     List<AndroidDevice> devices = [];
-    String adbPath = (mockAndroid != null) ? mockAndroid.adbPath : _getAdbPath();
+    String adbPath = (mockAndroid != null) ? mockAndroid.adbPath : getAdbPath();
 
     try {
       runCheckedSync([adbPath, 'version']);
@@ -623,7 +634,7 @@ class AndroidDevice extends Device {
   }
 
   AndroidDevice._(id) : super._(id) {
-    _adbPath = _getAdbPath();
+    _adbPath = getAdbPath();
     _hasAdb = _checkForAdb();
 
     // Checking for [minApiName] only needs to be done if we are starting an
@@ -655,7 +666,7 @@ class AndroidDevice extends Device {
     }
   }
 
-  static String _getAdbPath() {
+  static String getAdbPath() {
     if (Platform.environment.containsKey('ANDROID_HOME')) {
       String androidHomeDir = Platform.environment['ANDROID_HOME'];
       String adbPath1 = path.join(androidHomeDir, 'sdk', 'platform-tools', 'adb');
@@ -782,6 +793,8 @@ class AndroidDevice extends Device {
     return CryptoUtils.bytesToHex(sha1.close());
   }
 
+  String get name => modelID;
+
   @override
   bool isAppInstalled(ApplicationPackage app) {
     if (!isConnected()) {
@@ -992,8 +1005,11 @@ class AndroidDevice extends Device {
     return null;
   }
 
-  @override
-  bool isConnected() => _hasValidAndroid;
+  bool isConnected() => _connected != null ? _connected : _hasValidAndroid;
+
+  void setConnected(bool value) {
+    _connected = value;
+  }
 }
 
 class DeviceStore {

packages/flutter_tools/test/daemon_test.dart

@@ -26,9 +26,9 @@ defineTests() {
       StreamController<Map> responses = new StreamController();
       daemon = new Daemon(
         commands.stream,
-        (Map result) => responses.add(result)
+        (Map<String, dynamic> result) => responses.add(result)
       );
-      commands.add({'id': 0, 'event': 'daemon.version'});
+      commands.add({'id': 0, 'method': 'daemon.version'});
       Map response = await responses.stream.first;
       expect(response['id'], 0);
       expect(response['result'], isNotEmpty);
@@ -40,9 +40,9 @@ defineTests() {
       StreamController<Map> responses = new StreamController();
       daemon = new Daemon(
         commands.stream,
-        (Map result) => responses.add(result)
+        (Map<String, dynamic> result) => responses.add(result)
       );
-      commands.add({'id': 0, 'event': 'daemon.shutdown'});
+      commands.add({'id': 0, 'method': 'daemon.shutdown'});
       return daemon.onExit.then((int code) {
         expect(code, 0);
       });
@@ -56,7 +56,7 @@ defineTests() {
       StreamController<Map> responses = new StreamController();
       daemon = new Daemon(
         commands.stream,
-        (Map result) => responses.add(result),
+        (Map<String, dynamic> result) => responses.add(result),
         daemonCommand: command
       );
 
@@ -71,10 +71,23 @@ defineTests() {
       when(mockDevices.iOSSimulator.isConnected()).thenReturn(false);
       when(mockDevices.iOSSimulator.stopApp(any)).thenReturn(false);
 
-      commands.add({'id': 0, 'event': 'app.stopAll'});
+      commands.add({'id': 0, 'method': 'app.stopAll'});
       Map response = await responses.stream.first;
       expect(response['id'], 0);
       expect(response['result'], true);
     });
+
+    test('device.getDevices', () async {
+      StreamController<Map> commands = new StreamController();
+      StreamController<Map> responses = new StreamController();
+      daemon = new Daemon(
+        commands.stream,
+        (Map<String, dynamic> result) => responses.add(result)
+      );
+      commands.add({'id': 0, 'method': 'device.getDevices'});
+      Map response = await responses.stream.first;
+      expect(response['id'], 0);
+      expect(response['result'], isList);
+    });
   });
 }

packages/flutter_tools/tool/daemon_client.dart

@@ -7,8 +7,15 @@ import 'dart:io';
 
 Process daemon;
 
+// To use, start from the console and enter:
+//   version: print version
+//   shutdown: terminate the server
+//   start: start an app
+//   stopAll: stop any running app
+//   devices: list devices
+
 main() async {
-  daemon = await Process.start('dart', ['bin/flutter_tools.dart', 'daemon']);
+  daemon = await Process.start('flutter', ['daemon']);
   print('daemon process started, pid: ${daemon.pid}');
 
   daemon.stdout
@@ -20,13 +27,15 @@ main() async {
   stdout.write('> ');
   stdin.transform(UTF8.decoder).transform(const LineSplitter()).listen((String line) {
     if (line == 'version' || line == 'v') {
-      _send({'event': 'daemon.version'});
+      _send({'method': 'daemon.version'});
     } else if (line == 'shutdown' || line == 'q') {
-      _send({'event': 'daemon.shutdown'});
+      _send({'method': 'daemon.shutdown'});
     } else if (line == 'start') {
-      _send({'event': 'app.start'});
+      _send({'method': 'app.start'});
     } else if (line == 'stopAll') {
-      _send({'event': 'app.stopAll'});
+      _send({'method': 'app.stopAll'});
+    } else if (line == 'devices') {
+      _send({'method': 'device.getDevices'});
     } else {
       print('command not understood: ${line}');
     }