snapdrop/app/elements/buddy-finder/buddy-finder.html

<link rel="import" href="../../bower_components/iron-ajax/iron-ajax.html">
<link rel="import" href="../../bower_components/paper-styles/paper-styles.html">
<link rel="import" href="../file-sharing/file-input.html">
<link rel="import" href="user-avatar.html">
<link rel="import" href="personal-avatar.html">
<dom-module id="buddy-finder">
    <template>
        <style>
        :host {
            background-color: transparent;
            @apply(--layout-fit);
            @apply(--layout-horizontal);
            @apply(--layout-center-center);
            overflow: hidden;
            position: relative;
            height: 100%;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
            margin: 0;
        }
        
        .buddies {
            z-index: 1;
            @apply(--layout-horizontal);
            @apply(--layout-center-center);
            @apply(--layout-wrap);
        }
        
        .buddy {
            cursor: pointer;
        }
        
        .me {
            position: absolute;
            bottom: 24px;
            left: 50%;
            margin-left: -180px;
        }
        
        .explanation {
            @apply(--paper-font-headline);
            color: #4E4E4E;
            text-align: center;
        }
        
        .short {
            @apply(--paper-font-body1);
            color: #333;
        }
        
        .url {
            color: #4285f4;
        }
        
        [only] {
            @apply(--layout-fit);
            @apply(--layout-horizontal);
            @apply(--layout-center-center);
            cursor: pointer;
        }
        </style>
        <div class="buddies">
            <template is="dom-repeat" items="{{buddies}}">
                <file-input on-file-selected="_fileSelected" only$="{{!buddies.1}}">
                    <user-avatar contact="{{item}}" class="buddy"></user-avatar>
                </file-input>
            </template>
        </div>
        <div hidden$="{{buddies.0}}" class="explanation">
            Open <span class="url">dropc.at</span> on other devices
            <br> to send files.
        </div>
        <personal-avatar class="me"></personal-avatar>
    </template>
    <script>
    'use strict';
    Polymer({
        is: 'buddy-finder',
        properties: {
            buddies: {
                type: Array,
                notify: true
            },
            me: {
                type: String,
            },
        },
        _fileSelected: function(e) {
            var peerId = e.model.item.peerId;
            var file = e.detail;
            app.p2p.sendFile(peerId, file);
        }
    });
    </script>
</dom-module>