Add processes to Observatory

runtime/bin/vmservice/client/lib/src/elements/io_view.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library io_view_element;
 
 import 'dart:async';
 import 'observatory_element.dart';
 import 'service_ref.dart';
 import 'package:observatory/service.dart';
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   }
 
   void leftView() {
     super.leftView();
     if (_updateTimer != null) {
       _updateTimer.cancel();
       _updateTimer = null;
     }
   }
 }
+
+@CustomTag('io-process-list-view')
+class IOProcessListViewElement extends ObservatoryElement {
+  @published ServiceMap list;
+
+  IOProcessListViewElement.created() : super.created();
+
+  void refresh(var done) {
+    list.reload().whenComplete(done);
+  }
+}
+
+@CustomTag('io-process-ref')
+class IOProcessRefElement extends ServiceRefElement {
+  // Only display the process name when small is set.
+  @published bool small = false;
+  IOProcessRefElement.created() : super.created();
+}
+
+@CustomTag('io-process-view')
+class IOProcessViewElement extends ObservatoryElement {
+  // TODO(ajohnsen): Create a Process object.
+  @published ServiceMap process;
+  Timer _updateTimer;
+
+  IOProcessViewElement.created() : super.created();
+
+  void refresh(var done) {
+    process.reload().whenComplete(done);
+  }
+
+  void _updateFile() {
+    refresh(() {
+      if (_updateTimer != null) {
+        _updateTimer = new Timer(new Duration(seconds: 1), _updateFile);
+      }
+    });
+  }
+
+  void enteredView() {
+    super.enteredView();
+    // Start a timer to update the isolate summary once a second.
+    _updateTimer = new Timer(new Duration(seconds: 1), _updateFile);
+  }
+
+  void leftView() {
+    super.leftView();
+    if (_updateTimer != null) {
+      _updateTimer.cancel();
+      _updateTimer = null;
+    }
+  }
+}