api-console-assets/bower_components/app-layout/site/device-viewer/device-layout-viewer.html

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@license
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This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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Code distributed by Google as part of the polymer project is also
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<link rel="import" href="../../../iron-flex-layout/iron-flex-layout.html">
<link rel="import" href="../../../iron-selector/iron-selector.html">

<link rel="import" href="device-view.html">

<!--
Displays a page on different device layouts.

    <device-layout-viewer device="all" src="https://www.polymer-project.org/"></device-layout-viewer>

-->
<dom-module id="device-layout-viewer">

  <template>

    <style>

      :host {
        @apply(--layout-horizontal);
        overflow: hidden;
      }

      .canvas {
        @apply(--layout-flex);
        @apply(--layout-horizontal);
        @apply(--layout-center-center);
        position: relative;
        overflow: auto;
      }

      .canvas[device=laptop] {
        overflow: hidden;
      }

      #views:not([device=all]) {
        @apply(--layout-horizontal);
        @apply(--layout-center-center);
        margin: auto 0;
      }

      #views:not([device=all]) device-view:not(.iron-selected) {
        display: none;
      }

      #views[device=all] {
        display: block;
        width: 1000px;
        height: 600px;
        margin-left: 32px;
      }

      #views[device=all] device-view {
        position: absolute;
        -webkit-transform-origin: left top;
        transform-origin: left top;
      }

      #views:not([device=all]) device-view[device=laptop] {
        @apply(--layout-fit);
        width: auto;
        height: auto;
      }

      #views[device=all] device-view[device=laptop] {
        -webkit-transform: translate3d(0px, 40px, 0) scale(0.5);
        transform: translate3d(0px, 40px, 0) scale(0.5);
      }

      #views[device=all] device-view[device=tablet] {
        -webkit-transform: translate3d(380px, 130px, 0) scale(0.5);
        transform: translate3d(380px, 130px, 0) scale(0.5);
      }

      #views[device=all] device-view[device=phone] {
        -webkit-transform: translate3d(800px, 110px, 0) scale(0.5);
        transform: translate3d(800px, 110px, 0) scale(0.5);
      }

      @media (max-width: 1024px) {

        #views:not([device=all]):not([device=laptop]) {
          width: 1400px;
          height: 800px;
          -webkit-transform: scale(0.5);
          transform: scale(0.5);
          @apply(--layout-flex-none);
        }

        #views[device=all] {
          width: 500px;
          height: 300px;
          margin-left: -64px;
          -webkit-transform-origin: 0 0;
          transform-origin: 0 0;
          -webkit-transform: scale(0.6);
          transform: scale(0.6);
        }

      }

      @media (max-width: 600px) {

        #views:not([device=all]):not([device=laptop]) {
          width: 1400px;
          height: 800px;
          -webkit-transform: scale(0.5);
          transform: scale(0.5);
          @apply(--layout-flex-none);
        }

        #views[device=all] {
          width: 250px;
          height: 150px;
          margin-left: -80px;
          -webkit-transform-origin: 0 0;
          transform-origin: 0 0;
          -webkit-transform: scale(0.35);
          transform: scale(0.35);
        }

      }

    </style>

    <div class="canvas" device$="{{device}}">

      <iron-selector id="views" selected="{{device}}" attr-for-selected="device"
          selected-item="{{selectedView}}" device$="{{device}}" activate-event="">

        <device-view device="laptop" src="{{src}}"></device-view>
        <device-view device="tablet" src="{{src}}" landscape></device-view>
        <device-view device="phone" src="{{src}}"></device-view>

      </iron-selector>

    </div>

  </template>

  <script>

    Polymer({

      is: 'device-layout-viewer',

      properties: {

        /**
         * The url of the page to display.
         */
        src: String,

        /**
         * The device layout to show. Possible values are `phone`, `tablet`, `laptop` and `all`.
         */
        device: {
          type: String,
          value: 'all',
          observer: '_deviceChanged'
        }

      },

      _defaultLandscapes: {
        laptop: false,
        tablet: true,
        phone: false
      },

      toggleLandscape: function() {
        this.selectedView && this.selectedView.toggleLandscape();
      },

      _deviceChanged: function(device) {
        if (device === 'all') {
          this.$.views.items.forEach(function(view) {
            view.landscape = this._defaultLandscapes[view.device];
          }, this);
        }
      }

    });

  </script>

</dom-module>