third_party/polymer/components-chromium/core-scroll-header-panel/demos/demo6.html

   1 <!doctype html>
   2 <!--
   3 Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
   4 This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
   5 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
   6 The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
   7 Code distributed by Google as part of the polymer project is also
   8 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
   9 -->
  10 <html>
  11 <head>
  12   <title>core-scroll-header-panel: demo6</title>
  13
  14   <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
  15   <meta name="mobile-web-app-capable" content="yes">
  16   <meta name="apple-mobile-web-app-capable" content="yes">
  17
  18   <script src="../../webcomponentsjs/webcomponents.js"></script>
  19
  20   <link rel="import" href="../core-scroll-header-panel.html">
  21   <link rel="import" href="sample-content.html">
  22   <link rel="import" href="../../core-toolbar/core-toolbar.html">
  23   <link rel="import" href="../../core-icon-button/core-icon-button.html">
  24
  25   <style shim-shadowdom>
  26
  27     html, body {
  28       height: 100%;
  29     }
  30
  31     body {
  32       margin: 0;
  33       font-family: sans-serif;
  34       color: #333;
  35     }
  36
  37     core-scroll-header-panel {
  38       position: absolute;
  39       top: 0;
  40       right: 0;
  41       bottom: 0;
  42       left: 0;
  43       background-color: #eee;
  44     }
  45
  46     /* background for toolbar when it is at its full size */
  47     core-scroll-header-panel::shadow #headerBg {
  48       background-image: url(images/bg9.jpg);
  49     }
  50
  51     /* background for toolbar when it is condensed */
  52     core-scroll-header-panel::shadow #condensedHeaderBg {
  53       background-image: url(images/bg2.jpg);
  54     }
  55
  56     core-toolbar {
  57       color: #f1f1f1;
  58       fill: #f1f1f1;
  59       /* custom toolbar height */
  60       height: 256px;
  61       background-color: transparent;
  62     }
  63
  64     .title {
  65       font-size: 40px;
  66     }
  67
  68     .content {
  69       padding: 8px;
  70     }
  71
  72   </style>
  73
  74 </head>
  75 <body unresolved>
  76
  77   <!-- By default condensedHeaderHeight is 1/3 of the header's height.  Here
  78        we want to set the condensed header's height to be 64px. -->
  79   <core-scroll-header-panel condenses headerHeight="256" condensedHeaderHeight="64">
  80
  81     <core-toolbar>
  82
  83       <core-icon-button icon="arrow-back"></core-icon-button>
  84       <div flex></div>
  85       <core-icon-button icon="search"></core-icon-button>
  86       <core-icon-button icon="more-vert"></core-icon-button>
  87       <div class="bottom indent title">Title</div>
  88
  89     </core-toolbar>
  90
  91     <div class="content">
  92
  93       <sample-content size="100"></sample-content>
  94
  95     </div>
  96
  97   </core-scroll-header-panel>
  98
  99   <script>
 100
 101     // custom transformation: scale header's title
 102     var titleStyle = document.querySelector('.title').style;
 103     addEventListener('core-header-transform', function(e) {
 104       var d = e.detail;
 105       var m = d.height - d.condensedHeight;
 106       var scale = Math.max(0.75, (m - d.y) / (m / 0.25)  + 0.75);
 107       titleStyle.transform = titleStyle.webkitTransform =
 108           'scale(' + scale + ') translateZ(0)';
 109     });
 110
 111   </script>
 112
 113 </body>
 114 </html>