73bcce88
 luigser
COMPONENTS
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<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../iron-behaviors/iron-button-state.html">
<script>
/** @polymerBehavior */
Polymer.PaperButtonBehaviorImpl = {
properties: {
_elevation: {
type: Number
}
},
observers: [
'_calculateElevation(focused, disabled, active, pressed, receivedFocusFromKeyboard)'
],
hostAttributes: {
role: 'button',
tabindex: '0'
},
_calculateElevation: function() {
var e = 1;
if (this.disabled) {
e = 0;
} else if (this.active || this.pressed) {
e = 4;
} else if (this.receivedFocusFromKeyboard) {
e = 3;
}
this._elevation = e;
}
};
/** @polymerBehavior */
Polymer.PaperButtonBehavior = [
Polymer.IronButtonState,
Polymer.IronControlState,
Polymer.PaperButtonBehaviorImpl
];
</script>
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