// 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 script_ref_element;

import 'dart:html';
import 'dart:async';
import 'package:observatory/models.dart' as M show IsolateRef, ScriptRef;
import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
import 'package:observatory/src/elements/helpers/custom_element.dart';
import 'package:observatory/src/elements/helpers/uris.dart';

class ScriptRefElement extends CustomElement implements Renderable {
  RenderingScheduler<ScriptRefElement> _r;

  Stream<RenderedEvent<ScriptRefElement>> get onRendered => _r.onRendered;

  M.IsolateRef _isolate;
  M.ScriptRef _script;

  M.IsolateRef get isolate => _isolate;
  M.ScriptRef get script => _script;

  factory ScriptRefElement(M.IsolateRef isolate, M.ScriptRef script,
      {RenderingQueue queue}) {
    assert(isolate != null);
    assert(script != null);
    ScriptRefElement e = new ScriptRefElement.created();
    e._r = new RenderingScheduler<ScriptRefElement>(e, queue: queue);
    e._isolate = isolate;
    e._script = script;
    return e;
  }

  ScriptRefElement.created() : super.created('script-ref');

  @override
  void attached() {
    super.attached();
    _r.enable();
  }

  @override
  void detached() {
    super.detached();
    children = <Element>[];
    _r.disable(notify: true);
  }

  void render() {
    var displayUri = script.uri.split('/').last;
    if (displayUri.isEmpty) {
      displayUri = 'N/A';
    }

    children = <Element>[
      new AnchorElement(href: Uris.inspect(isolate, object: script))
        ..title = script.uri
        ..text = displayUri
    ];
  }
}