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bower_components/paper-scroll-header-panel/demo/demo6.html 3.21 KB
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  <!doctype html>
  <!--
  @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
  -->
  <html>
  <head>
    <title>paper-scroll-header-panel: demo6</title>
  
    <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
    <meta name="mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-capable" content="yes">
  
    <script src="../../webcomponentsjs/webcomponents-lite.js"></script>
  
    <link rel="import" href="../paper-scroll-header-panel.html">
    <link rel="import" href="../../paper-toolbar/paper-toolbar.html">
    <link rel="import" href="../../iron-icons/iron-icons.html">
    <link rel="import" href="../../paper-icon-button/paper-icon-button.html">
    <link rel="import" href="sample-content.html">
  
    <link rel="stylesheet" href="../../paper-styles/demo.css">
  
    <style is="custom-style">
  
      paper-scroll-header-panel {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        background-color: var(--paper-grey-200, #eee);
  
        /* background for toolbar when it is at its full size */
        --paper-scroll-header-panel-full-header: {
          background-image: url(images/bg6.jpg);
        };
  
        /* background for toolbar when it is condensed */
        --paper-scroll-header-panel-condensed-header: {
          background-image: url(images/bg2.jpg);
        };
      }
  
      paper-toolbar.tall {
        /* custom toolbar height */
        height: 256px;
        background-color: transparent;
      }
  
      paper-toolbar.tall .title {
        font-size: 40px;
        margin-left: 60px;
  
        -webkit-transform-origin: left center;
        transform-origin: left center;
      }
  
      .content {
        padding: 8px;
      }
  
    </style>
  
  </head>
  <body unresolved>
  
    <!-- By default condensedHeaderHeight is 1/3 of the header's height.  Here
         we want to set the condensed header's height to be 64px. -->
    <paper-scroll-header-panel condenses header-height="256" condensed-header-height="64">
  
      <paper-toolbar class="tall">
  
        <paper-icon-button icon="arrow-back"></paper-icon-button>
        <div class="flex"></div>
        <paper-icon-button icon="search"></paper-icon-button>
        <paper-icon-button icon="more-vert"></paper-icon-button>
        <div class="bottom title">Title</div>
  
      </paper-toolbar>
  
      <div class="content">
  
        <sample-content size="100"></sample-content>
  
      </div>
  
    </paper-scroll-header-panel>
  
    <script>
  
      // custom transformation: scale header's title
      var title = document.querySelector('.title');
      addEventListener('paper-header-transform', function(e) {
        var d = e.detail;
        var m = d.height - d.condensedHeight;
        var scale = Math.max(0.75, (m - d.y) / (m / 0.25)  + 0.75);
  
        Polymer.Base.transform('scale(' + scale + ') translateZ(0)', title);
      });
  
    </script>
  
  </body>
  </html>