snapdrop/app/elements/file-sharing/file-sharing.html

<link rel="import" href="../../../bower_components/paper-dialog/paper-dialog.html">
<link rel="import" href="file-reader.html">
<dom-module id="file-sharing">
    <template>
        <style>
        :host {
            display: block;
            position: fixed;
            z-index: 100;
        }
        </style>
        <paper-dialog id="dialog" entry-animation="scale-up-animation" exit-animation="fade-out-animation" with-backdro>
            <h2>File Received</h2>
            <p>You received file {{file.name}}</p>
            <div class="buttons">
                <paper-button dialog-dismiss>Dismiss</paper-button>
                <paper-button dialog-confirm on-tap="_download">Download</paper-button>
            </div>
        </paper-dialog>
    </template>
    <script>
    'use strict';
    Polymer({
        is: 'file-sharing',
        attached: function() {
            document.querySelector('x-app').addEventListener('file-received', function(e) {
                this.fileReceived(e.detail);
            }.bind(this), false);
        },
        fileReceived: function(file) {
            this.set('file', file);
            this.$.dialog.open();
        },
        _download: function() {
            var link = document.createElement('a');
            link.download = this.file.name;
            // Construct the uri
            var uri = this.file.url;
            link.href = uri;
            document.body.appendChild(link);
            link.click();
            // Cleanup the DOM
            document.body.removeChild(link);
            //delete link;
        }
    });
    </script>
</dom-module>