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| 1 paper-ripple | |
| 2 ============ | |
| 3 | |
| 4 `paper-ripple` provides a visual effect that other paper elements can | |
| 5 use to simulate a rippling effect emanating from the point of contact. The | |
| 6 effect can be visualized as a concentric circle with motion. | |
| 7 | |
| 8 Example: | |
| 9 | |
| 10 ```html | |
| 11 <paper-ripple></paper-ripple> | |
| 12 ``` | |
| 13 | |
| 14 `paper-ripple` listens to "mousedown" and "mouseup" events so it would display r
ipple | |
| 15 effect when touches on it. You can also defeat the default behavior and | |
| 16 manually route the down and up actions to the ripple element. Note that it is | |
| 17 important if you call downAction() you will have to make sure to call | |
| 18 upAction() so that `paper-ripple` would end the animation loop. | |
| 19 | |
| 20 Example: | |
| 21 | |
| 22 ```html | |
| 23 <paper-ripple id="ripple" style="pointer-events: none;"></paper-ripple> | |
| 24 ... | |
| 25 <script> | |
| 26 downAction: function(e) { | |
| 27 this.$.ripple.downAction({x: e.x, y: e.y}); | |
| 28 }, | |
| 29 upAction: function(e) { | |
| 30 this.$.ripple.upAction(); | |
| 31 } | |
| 32 </script> | |
| 33 ``` | |
| 34 | |
| 35 Styling ripple effect: | |
| 36 | |
| 37 Use CSS color property to style the ripple: | |
| 38 | |
| 39 ```css | |
| 40 paper-ripple { | |
| 41 color: #4285f4; | |
| 42 } | |
| 43 ``` | |
| 44 | |
| 45 Note that CSS color property is inherited so it is not required to set it on | |
| 46 the `paper-ripple` element directly. | |
| 47 | |
| 48 | |
| 49 By default, the ripple is centered on the point of contact. Apply the ``recenter
s`` attribute to have the ripple grow toward the center of its container. | |
| 50 | |
| 51 ```html | |
| 52 <paper-ripple recenters></paper-ripple> | |
| 53 ``` | |
| 54 | |
| 55 Apply `center` to center the ripple inside its container from the start. | |
| 56 | |
| 57 ```html | |
| 58 <paper-ripple center></paper-ripple> | |
| 59 ``` | |
| 60 | |
| 61 Apply `circle` class to make the rippling effect within a circle. | |
| 62 | |
| 63 ```html | |
| 64 <paper-ripple class="circle"></paper-ripple> | |
| 65 ``` | |
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Chromium Code Reviews
Issue 1269803005:
Remove third_party/polymer from .gitignore (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master