Rationalize Dart mojo and sky package structure

sky/framework/components/ink_splash.dart

Index: sky/framework/components/ink_splash.dart
diff --git a/sky/framework/components/ink_splash.dart b/sky/framework/components/ink_splash.dart
deleted file mode 100644
index 3bd18e1dfb2ebb710e8a41824e79cb1df26e41ba..0000000000000000000000000000000000000000
--- a/sky/framework/components/ink_splash.dart
+++ /dev/null
@@ -1,141 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import '../animation/animated_value.dart';
-import '../animation/curves.dart';
-import '../fn.dart';
-import '../theme/view_configuration.dart' as config;
-import 'dart:async';
-import 'dart:math' as math;
-import '../layout.dart';
-
-const double _kSplashConfirmedDuration = 350.0;
-const double _kSplashUnconfirmedDuration = config.kDefaultLongPressTimeout;
-const double _kSplashAbortDuration = 100.0;
-const double _kSplashInitialDelay = 0.0; // we could delay initially in case the user scrolls
-
-double _getSplashTargetSize(Rect rect, double x, double y) {
-  return 2.0 * math.max(math.max(x - rect.x, rect.x + rect.width - x),
-                        math.max(y - rect.y, rect.y + rect.height - y));
-}
-
-class SplashController {
-  final int pointer;
-  Stream<String> get onStyleChanged => _styleStream;
-
-  final AnimatedValue _size = new AnimatedValue(0.0);
-  double _offsetX;
-  double _offsetY;
-  double _lastSize = 0.0;
-  bool _growing = true;
-  double _targetSize;
-  Stream<String> _styleStream;
-
-  void start() {
-    _size.animateTo(_targetSize, _kSplashUnconfirmedDuration, curve: easeOut, initialDelay: _kSplashInitialDelay);
-  }
-
-  void confirm() {
-    double fractionRemaining = (_targetSize - _size.value) / _targetSize;
-    double duration = fractionRemaining * _kSplashConfirmedDuration;
-    if (duration <= 0.0)
-      return;
-    _size.animateTo(_targetSize, duration, curve: easeOut);
-  }
-
-  void abort() {
-    _growing = false;
-    double durationRemaining = _size.remainingTime;
-    if (durationRemaining <= _kSplashAbortDuration)
-      return;
-    _size.animateTo(_targetSize, _kSplashAbortDuration, curve: easeOut);
-  }
-
-  void cancel() {
-    _size.stop();
-  }
-
-  SplashController(Rect rect, double x, double y,
-                   { this.pointer, Function onDone })
-      : _offsetX = x - rect.x,
-        _offsetY = y - rect.y,
-        _targetSize = _getSplashTargetSize(rect, x, y) {
-
-    _styleStream = _size.onValueChanged.map((p) {
-      if (p == _targetSize) {
-        onDone();
-      }
-      double size;
-      if (_growing) {
-        size = p;
-        _lastSize = p;
-      } else {
-        size = _lastSize;
-      }
-      return '''
-        top: ${_offsetY - size/2}px;
-        left: ${_offsetX - size/2}px;
-        width: ${size}px;
-        height: ${size}px;
-        border-radius: ${size}px;
-        opacity: ${1.0 - (p / _targetSize)};''';
-    });
-
-    start();
-  }
-}
-
-class InkSplash extends Component {
-  static final Style _clipperStyle = new Style('''
-    position: absolute;
-    pointer-events: none;
-    overflow: hidden;
-    top: 0;
-    left: 0;
-    bottom: 0;
-    right: 0;''');
-
-  static final Style _splashStyle = new Style('''
-    position: absolute;
-    background-color: rgba(0, 0, 0, 0.2);''');
-
-  Stream<String> onStyleChanged;
-
-  double _offsetX;
-  double _offsetY;
-  String _inlineStyle;
-
-  InkSplash(Stream<String> onStyleChanged)
-    : onStyleChanged = onStyleChanged,
-      super(stateful: true, key: onStyleChanged.hashCode);
-
-  bool _listening = false;
-
-  void _ensureListening() {
-    if (_listening)
-      return;
-
-    _listening = true;
-
-    onStyleChanged.listen((style) {
-      setState(() {
-        _inlineStyle = style;
-      });
-    });
-  }
-
-  UINode build() {
-    _ensureListening();
-
-    return new Container(
-      style: _clipperStyle,
-      children: [
-        new Container(
-          inlineStyle: _inlineStyle,
-          style: _splashStyle
-        )
-      ]
-    );
-  }
-}