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bower_components/paper-fab/paper-fab.html 5.16 KB
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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-icon/iron-icon.html">
  <link rel="import" href="../iron-flex-layout/classes/iron-flex-layout.html">
  <link rel="import" href="../paper-styles/default-theme.html">
  <link rel="import" href="../paper-styles/color.html">
  <link rel="import" href="../paper-material/paper-material.html">
  <link rel="import" href="../paper-ripple/paper-ripple.html">
  <link rel="import" href="../paper-behaviors/paper-button-behavior.html">
  
  <!--
  Material Design: <a href="http://www.google.com/design/spec/components/buttons.html">Button</a>
  
  `paper-fab` is a floating action button. It contains an image placed in the center and
  comes in two sizes: regular size and a smaller size by applying the attribute `mini`. When
  the user touches the button, a ripple effect emanates from the center of the button.
  
  You may import `iron-icons` to use with this element, or provide a URL to a custom icon.
  See `iron-iconset` for more information about how to use a custom icon set.
  
  Example:
  
      <link href="path/to/iron-icons/iron-icons.html" rel="import">
  
      <paper-fab icon="add"></paper-fab>
      <paper-fab mini icon="favorite"></paper-fab>
      <paper-fab src="star.png"></paper-fab>
  
  
  ### Styling
  
  The following custom properties and mixins are available for styling:
  
  Custom property | Description | Default
  ----------------|-------------|----------
  `--paper-fab-background` | The background color of the button | `--accent-color`
  `--paper-fab-keyboard-focus-background` | The background color of the button when focused | `--paper-pink-900`
  `--paper-fab-disabled-background` | The background color of the button when it's disabled | `--paper-grey-300`
  `--paper-fab-disabled-text` | The text color of the button when it's disabled | `--paper-grey-500`
  `--paper-fab` | Mixin applied to the button | `{}`
  `--paper-fab-mini` | Mixin applied to a mini button | `{}`
  `--paper-fab-disabled` | Mixin applied to a disabled button | `{}`
  
  @group Paper Elements
  @demo demo/index.html
  
  -->
  
  <dom-module id="paper-fab">
    <style>
  
      :host {
        display: inline-block;
        position: relative;
        outline: none;
        -moz-user-select: none;
        -ms-user-select: none;
        -webkit-user-select: none;
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        -webkit-tap-highlight-color: rgba(0,0,0,0);
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        user-select: none;
        cursor: pointer;
  
        box-sizing: border-box;
        min-width: 0;
        width: 56px;
        height: 56px;
        background: var(--paper-fab-background, --accent-color);
        color: var(--text-primary-color);
        border-radius: 50%;
        padding: 16px;
  
        z-index: 0;
  
        @apply(--paper-fab);
      }
  
      :host([mini]) {
        width: 40px;
        height: 40px;
        padding: 8px;
  
        @apply(--paper-fab-mini);
      }
  
      :host([disabled]) {
        color: var(--paper-fab-disabled-text, --paper-grey-500);
        background: var(--paper-fab-disabled-background, --paper-grey-300);
        @apply(--paper-fab-disabled);
      }
  
      paper-material {
        border-radius: inherit;
        @apply(--layout-fit);
        @apply(--layout-vertical);
        @apply(--layout-center-center);
      }
  
      .keyboard-focus {
        background: var(--paper-fab-keyboard-focus-background, --paper-pink-900);
      }
    </style>
    <template>
      <paper-ripple></paper-ripple>
      <paper-material class$="[[_computeContentClass(receivedFocusFromKeyboard)]]" elevation="[[_elevation]]" animated>
        <iron-icon id="icon" src="[[src]]" icon="[[icon]]"></iron-icon>
      </paper-material>
    </template>
  </dom-module>
  <script>
    Polymer({
      is: 'paper-fab',
  
      behaviors: [
        Polymer.PaperButtonBehavior
      ],
  
      properties: {
        /**
         * The URL of an image for the icon. If the src property is specified,
         * the icon property should not be.
         *
         * @attribute src
         * @type string
         * @default ''
         */
        src: {
          type: String,
          value: ''
        },
  
        /**
         * Specifies the icon name or index in the set of icons available in
         * the icon's icon set. If the icon property is specified,
         * the src property should not be.
         *
         * @attribute icon
         * @type string
         * @default ''
         */
        icon: {
          type: String,
          value: ''
        },
  
        /**
         * Set this to true to style this is a "mini" FAB.
         *
         * @attribute mini
         * @type boolean
         * @default false
         */
        mini: {
          type: Boolean,
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          value: false,
          reflectToAttribute: true
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        }
      },
  
      _computeContentClass: function(receivedFocusFromKeyboard) {
        var className = 'content';
        if (receivedFocusFromKeyboard) {
          className += ' keyboard-focus';
        }
        return className;
      }
  
    });
  </script>