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| 1 <!-- | |
| 2 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 3 // Use of this source code is governed by a BSD-style license that can be | |
| 4 // found in the LICENSE file. | |
| 5 --> | |
| 6 <import src="sky-element.sky" /> | |
| 7 | |
| 8 <sky-element> | |
| 9 <template> | |
| 10 <style> | |
| 11 :host { | |
| 12 position: absolute; | |
| 13 pointer-events: none; | |
| 14 overflow: hidden; | |
| 15 top: 0; | |
| 16 left: 0; | |
| 17 bottom: 0; | |
| 18 right: 0; | |
| 19 } | |
| 20 | |
| 21 #splash { | |
| 22 position: absolute; | |
| 23 background-color: rgba(0, 0, 0, 0.4); | |
| 24 border-radius: 0; | |
| 25 top: 0; | |
| 26 left: 0; | |
| 27 height: 0; | |
| 28 width: 0; | |
| 29 } | |
| 30 </style> | |
| 31 <div id="splash" /> | |
| 32 </template> | |
| 33 <script> | |
| 34 import "animation/controller.dart"; | |
| 35 import "animation/curves.dart"; | |
| 36 import "animation/timer.dart"; | |
| 37 import "dart:math" as math; | |
| 38 import "dart:sky"; | |
| 39 import "dart:async"; | |
| 40 | |
| 41 const double _kSplashSize = 400.0; | |
| 42 const double _kSplashDuration = 500.0; | |
| 43 | |
| 44 @Tagname('sky-ink-splash') | |
| 45 class SkyInkSplash extends SkyElement implements AnimationDelegate { | |
| 46 AnimationController _animation; | |
| 47 Element _splash; | |
| 48 double _offsetX; | |
| 49 double _offsetY; | |
| 50 Completer<SkyInkSplash> _completer = new Completer(); | |
| 51 | |
| 52 SkyInkSplash() { | |
| 53 _animation = new AnimationController(this); | |
| 54 } | |
| 55 | |
| 56 void shadowRootReady() { | |
| 57 _splash = shadowRoot.getElementById('splash'); | |
| 58 } | |
| 59 | |
| 60 Future start(double x, double y, ClientRect rect) { | |
| 61 _offsetX = x - rect.left; | |
| 62 _offsetY = y - rect.top; | |
| 63 _animation.start( | |
| 64 begin: 0.0, | |
| 65 end: _kSplashSize, | |
| 66 duration: _kSplashDuration, | |
| 67 curve: easeOut); | |
| 68 return _completer.future; | |
| 69 } | |
| 70 | |
| 71 void _done() { | |
| 72 remove(); | |
| 73 _completer.complete(this); | |
| 74 } | |
| 75 | |
| 76 void cancel() { | |
| 77 // TODO(eseidel): Should fade away instead of stopping immediately. | |
| 78 _animation.stop(); | |
| 79 _done(); | |
| 80 } | |
| 81 | |
| 82 void updateAnimation(double p) { | |
| 83 if (p == _kSplashSize) { | |
| 84 _done(); | |
| 85 return; | |
| 86 } | |
| 87 _splash.style['top'] = '${_offsetY - p/2}px'; | |
| 88 _splash.style['left'] = '${_offsetX - p/2}px'; | |
| 89 _splash.style['width'] = '${p}px'; | |
| 90 _splash.style['height'] = '${p}px'; | |
| 91 _splash.style['border-radius'] = '${p}px'; | |
| 92 _splash.style['opacity'] = '${1.0 - (p / _kSplashSize)}'; | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 _init(script) => register(script, SkyInkSplash); | |
| 97 </script> | |
| 98 </sky-element> | |
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Chromium Code Reviews
Issue 999873002:
Move sky-*.sky into framework/elements (Closed)
Base URL: git@github.com:domokit/mojo.git@master