| Index: polymer_1.0.4/bower_components/paper-ripple/README.md
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| +paper-ripple
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| +============
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| +
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| +`paper-ripple` provides a visual effect that other paper elements can
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| +use to simulate a rippling effect emanating from the point of contact. The
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| +effect can be visualized as a concentric circle with motion.
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| +
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| +Example:
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| +
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| +```html
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| +<paper-ripple></paper-ripple>
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| +```
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| +
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| +`paper-ripple` listens to "mousedown" and "mouseup" events so it would display ripple
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| +effect when touches on it. You can also defeat the default behavior and
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| +manually route the down and up actions to the ripple element. Note that it is
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| +important if you call downAction() you will have to make sure to call
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| +upAction() so that `paper-ripple` would end the animation loop.
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| +
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| +Example:
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| +
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| +```html
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| +<paper-ripple id="ripple" style="pointer-events: none;"></paper-ripple>
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| +...
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| +<script>
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| + downAction: function(e) {
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| + this.$.ripple.downAction({x: e.x, y: e.y});
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| + },
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| + upAction: function(e) {
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| + this.$.ripple.upAction();
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| + }
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| +</script>
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| +```
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| +
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| +Styling ripple effect:
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| +
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| +Use CSS color property to style the ripple:
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| +
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| +```css
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| +paper-ripple {
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| + color: #4285f4;
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| +}
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| +```
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| +
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| +Note that CSS color property is inherited so it is not required to set it on
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| +the `paper-ripple` element directly.
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| +
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| +
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| +By default, the ripple is centered on the point of contact. Apply the ``recenters`` attribute to have the ripple grow toward the center of its container.
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| +
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| +```html
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| +<paper-ripple recenters></paper-ripple>
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| +```
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| +
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| +Apply `center` to center the ripple inside its container from the start.
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| +
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| +```html
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| +<paper-ripple center></paper-ripple>
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| +```
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| +
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| +Apply `circle` class to make the rippling effect within a circle.
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| +
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| +```html
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| +<paper-ripple class="circle"></paper-ripple>
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| +```
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