John McCutchan b017dfd995 Rationalize Dart mojo and sky package structure.
NOTE: This CL appears far larger than it actually is for two reasons:

1) Many files were moved around to use the Dart package directory structure.
2) Many .dart files had to have import paths updated.

- Organize mojo/public/dart so that it uses standard Dart package layout
- Organize mojo/dart/apptest so that it uses a standard Dart package layout
- Organize sky/sdk so that it uses a standard Dart package layout
- Create a mojo/testing package (used by unittests)
- Introduce the 'dart_pkg' gn rule which populates gen/Config/dart-pkg
- All internally vended Dart packages must have a corresponding dart_pkg rule
- It is now possible to use dependency_overrides: in pubspec.yaml to mix internal and external package dependencies (enables analyzer, editor, webstorm usage for internal developers).
- Package root for dart content handler ends with "packages/"
- Imports of mojo package uris no longer need the "public/dart"
- mojo/public/tools/dart_package.py is a clone of mojo/public/tools/gn/zip.py
- Sky tests no longer run 'deploy_sdk' script.

R=eseidel@chromium.org

Review URL: https://codereview.chromium.org/1132063007
2015-05-18 14:41:39 -07:00

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<!--
// 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 src="sky-element.sky" />
<import src="sky-icon.sky" />
<sky-element attributes="checked:boolean">
<template>
<style>
:host {
display: inline-flex;
-webkit-user-select: none;
margin: 8px 16px;
}
</style>
<sky-icon size="18" />
</template>
<script>
import "dart:sky";
const String _kOnIcon = 'toggle/check_box_black';
const String _kOffIcon = 'toggle/check_box_outline_blank_black';
@Tagname('sky-checkbox')
class SkyCheckbox extends SkyElement {
SkyIcon _icon;
SkyCheckbox() {
addEventListener('click', _handleClick);
}
void shadowRootReady() {
_icon = shadowRoot.querySelector('sky-icon');
_icon.type = checked ? _kOnIcon : _kOffIcon;
}
void checkedChanged(bool oldValue, bool newValue) {
if (_icon != null)
_icon.type = newValue ? _kOnIcon : _kOffIcon;
}
void _handleClick(_) {
checked = !checked;
}
}
_init(script) => register(script, SkyCheckbox);
</script>
</sky-element>