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<!doctype html>
<!--
Copyright (c) 2014 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>core-scroll-header-panel</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<meta name="mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-capable" content="yes">
<script src="../platform/platform.js"></script>
<link rel="import" href="core-scroll-header-panel.html">
<link rel="import" href="demos/lorem-ipsum.html">
<link rel="import" href="../core-toolbar/core-toolbar.html">
<link rel="import" href="../core-icon-button/core-icon-button.html">
<style shim-shadowdom>
html, body {
height: 100%;
}
body {
margin: 0;
font-family: sans-serif;
color: #333;
}
core-scroll-header-panel {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
}
/* background for toolbar when it is at its full size */
core-scroll-header-panel::shadow #headerBg {
background-image: url(demos/images/bg9.jpg);
}
/* background for toolbar when it is condensed */
core-scroll-header-panel::shadow #condensedHeaderBg {
background-color: #f4b400;
}
core-toolbar {
color: #f1f1f1;
fill: #f1f1f1;
background-color: transparent;
}
.title {
-webkit-transform-origin: 0;
transform-origin: 0;
font-size: 40px;
}
.content {
padding: 10px 30px;
}
</style>
</head>
<body unresolved>
<core-scroll-header-panel condenses>
<core-toolbar class="tall">
<core-icon-button icon="arrow-back"></core-icon-button>
<div flex></div>
<core-icon-button icon="search"></core-icon-button>
<core-icon-button icon="more-vert"></core-icon-button>
<div class="bottom indent title">Title</div>
</core-toolbar>
<div class="content">
<lorem-ipsum paragraphs="100"></lorem-ipsum>
</div>
</core-scroll-header-panel>
<script>
// custom transformation: scale header's title
var titleStyle = document.querySelector('.title').style;
addEventListener('core-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);
titleStyle.transform = titleStyle.webkitTransform =
'scale(' + scale + ') translateZ(0)';
});
</script>
</body>
</html>
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