Add support for entity cards

src/cards/ha-camera-card.html

@@ -0,0 +1,37 @@
+<link rel='import' href='../../bower_components/polymer/polymer.html'>
+<link rel="import" href="../../bower_components/paper-material/paper-material.html">
+
+<dom-module id='ha-camera-card'>
+  <style include="paper-material">
+    :host {
+      display: block;
+      position: relative;
+      font-size: 0px;
+      border-radius: 2px;
+      cursor: pointer;
+    }
+    .camera-feed {
+      width: 100%;
+      height: auto;
+    }
+    .caption {
+      position: absolute;
+      left: 0px;
+      right: 0px;
+      bottom: 0px;
+
+      background-color: rgba(0, 0, 0, 0.3);
+      padding: 16px;
+
+      text-transform: capitalize;
+      font-size: 16px;
+      font-weight: 500;
+      line-height: 16px;
+      color: white;
+    }
+  </style>
+  <template>
+    <img src='[[cameraFeedSrc]]' class='camera-feed'>
+    <div class='caption'>[[stateObj.entityDisplay]]</div>
+  </template>
+</dom-module>

src/cards/ha-camera-card.js

@@ -0,0 +1,52 @@
+import Polymer from '../polymer';
+import hass from '../util/home-assistant-js-instance';
+
+const { moreInfoActions } = hass;
+
+const UPDATE_INTERVAL = 10000; // ms
+
+export default new Polymer({
+  is: 'ha-camera-card',
+
+  properties: {
+    stateObj: {
+      type: Object,
+      observer: 'updateCameraFeedSrc',
+    },
+
+    cameraFeedSrc: {
+      type: String,
+    },
+
+    /**
+     * The z-depth of the card, from 0-5.
+     */
+    elevation: {
+      type: Number,
+      value: 1,
+      reflectToAttribute: true,
+    },
+  },
+
+  listeners: {
+    tap: 'cardTapped',
+  },
+
+  attached() {
+    this.timer = setInterval(() => this.updateCameraFeedSrc(this.stateObj),
+                             UPDATE_INTERVAL);
+  },
+
+  detached() {
+    clearInterval(this.timer);
+  },
+
+  cardTapped() {
+    this.async(() => moreInfoActions.selectEntity(this.stateObj.entityId), 1);
+  },
+
+  updateCameraFeedSrc(stateObj) {
+    const time = (new Date()).getTime();
+    this.cameraFeedSrc = `${stateObj.attributes.entity_picture}?time=${time}`;
+  },
+});

src/cards/ha-card-chooser.html

@@ -0,0 +1,5 @@
+<link rel='import' href='../../bower_components/polymer/polymer.html'>
+
+<link rel='import' href='./ha-camera-card.html'>
+<link rel='import' href='./ha-entities-card.html'>
+<link rel='import' href='./ha-introduction-card.html'>

src/cards/ha-card-chooser.js

@@ -0,0 +1,53 @@
+import Polymer from '../polymer';
+
+require('./ha-camera-card');
+require('./ha-entities-card');
+require('./ha-introduction-card');
+
+export default new Polymer({
+  is: 'ha-card-chooser',
+
+  properties: {
+    cardData: {
+      type: Object,
+      observer: 'cardDataChanged',
+    },
+  },
+
+  cardDataChanged(newData, oldData) {
+    const root = Polymer.dom(this);
+
+    if (!newData) {
+      if (root.lastChild) {
+        root.removeChild(root.lastChild);
+      }
+      return;
+    }
+
+    const newElement = !oldData || oldData.cardType !== newData.cardType;
+    let card;
+    if (newElement) {
+      if (root.lastChild) {
+        root.removeChild(root.lastChild);
+      }
+
+      card = document.createElement(`ha-${newData.cardType}-card`);
+    } else {
+      card = root.lastChild;
+    }
+
+    Object.keys(newData).forEach(key => card[key] = newData[key]);
+
+    if (oldData) {
+      Object.keys(oldData).forEach(key => {
+        if (!(key in newData)) {
+          card[key] = undefined;
+        }
+      });
+    }
+
+    if (newElement) {
+      root.appendChild(card);
+    }
+  },
+});

src/components/ha-cards.html

@@ -2,8 +2,7 @@
 
 <link rel="import" href="./ha-demo-badge.html">
 <link rel="import" href="../cards/ha-badges-card.html">
-<link rel="import" href="../cards/ha-entities-card.html">
-<link rel="import" href="../cards/ha-introduction-card.html">
+<link rel="import" href="../cards/ha-card-chooser.html">
 
 <dom-module id="ha-cards">
   <style>
@@ -53,7 +52,7 @@
 
   <template>
     <div class='main'>
-      <template is='dom-if' if='[[cards._badges.length]]'>
+      <template is='dom-if' if='[[cards._badges]]'>
         <div class='badges'>
           <template is='dom-if' if='[[cards._demo]]'>
             <ha-demo-badge></ha-demo-badge>
@@ -62,29 +61,20 @@
           <ha-badges-card states='[[cards._badges]]'></ha-badges-card>
         </div>
       </template>
-      <template is='dom-if' if='[[!cards._badges.length]]'>
+      <template is='dom-if' if='[[!cards._badges]]'>
         <div class='no-badges'> </div>
       </template>
+
       <div class='horizontal layout'>
         <template is='dom-repeat' items='[[cards._columns]]' as='column'>
-          <template is='dom-if'
-                    if='[[computeShouldRenderColumn(index, column)]]'>
-            <div class='column flex-1'>
-              <template is='dom-if' if='[[computeShowIntroduction(index, showIntroduction, cards)]]'>
-                <div class='zone-card'>
-                  <ha-introduction-card show-hide-instruction='[[computeShowHideInstruction(states, cards)]]'></ha-introduction-card>
-                </div>
-              </template>
-              <template is='dom-repeat' items='[[column]]' as='domain'>
-                <div class='zone-card'>
-                  <ha-entities-card
-                    states='[[computeStatesOfCard(cards, domain)]]'
-                    group-entity='[[computeGroupEntityOfCard(cards, domain)]]'
-                  ></ha-entities-card>
-                </div>
-              </template>
-            </div>
-          </template>
+          <div class='column flex-1'>
+            <template is='dom-repeat' items='[[column]]' as='card'>
+              <div class='zone-card'>
+                <ha-card-chooser card-data='[[computeCardDataOfCard(cards, card)]]'
+                ></ha-entities-card>
+              </div>
+            </template>
+          </div>
         </template>
     </div>
   </template>

src/components/ha-cards.js

@@ -3,10 +3,12 @@ import hass from '../util/home-assistant-js-instance';
 
 require('.//ha-demo-badge');
 require('../cards/ha-badges-card');
-require('../cards/ha-entities-card');
-require('../cards/ha-introduction-card');
+require('../cards/ha-card-chooser');
 
 const { util } = hass;
+
+const DOMAINS_WITH_CARD = ['camera'];
+
 const PRIORITY = {
   configurator: -20,
   group: -10,
@@ -15,7 +17,6 @@ const PRIORITY = {
   sun: 1,
   device_tracker: 2,
   alarm_control_panel: 3,
-  camera: 4,
   sensor: 5,
   binary_sensor: 6,
   scene: 7,
@@ -77,15 +78,45 @@ export default new Polymer({
       return old;
     }
     if (showIntroduction) {
-      increaseIndex();
+      cards._columns[increaseIndex()].push('ha-introduction');
+      cards['ha-introduction'] = {
+        cardType: 'introduction',
+        showHideInstruction: states.size > 0 && !__DEMO__,
+      };
     }
 
-    function pushCard(name, entities, groupEntity = false) {
-      if (entities.length === 0) {
-        return;
+    function addEntitiesCard(name, entities, groupEntity = false) {
+      if (entities.length === 0) return;
+
+      const owncard = [];
+      const other = [];
+
+      entities.forEach(entity => {
+        if (DOMAINS_WITH_CARD.indexOf(entity.domain) === -1) {
+          other.push(entity);
+        } else {
+          owncard.push(entity);
+        }
+      });
+
+      const curIndex = increaseIndex();
+
+      if (other.length > 0) {
+        cards._columns[curIndex].push(name);
+        cards[name] = {
+          cardType: 'entities',
+          states: other,
+          groupEntity,
+        };
       }
-      cards._columns[increaseIndex()].push(name);
-      cards[name] = { entities, groupEntity };
+
+      owncard.forEach(entity => {
+        cards._columns[curIndex].push(entity.entityId);
+        cards[entity.entityId] = {
+          cardType: entity.domain,
+          stateObj: entity,
+        };
+      });
     }
 
     byDomain.keySeq().sortBy(domain => getPriority(domain))
@@ -106,34 +137,19 @@ export default new Polymer({
             .forEach(groupState => {
               const entities = util.expandGroup(groupState, states);
               entities.forEach(entity => hasGroup[entity.entityId] = true);
-              pushCard(groupState.entityDisplay, entities.toArray(), groupState);
+              addEntitiesCard(groupState.entityId, entities.toArray(), groupState);
             }
           );
         } else {
-          pushCard(domain, filterGrouped(byDomain.get(domain)).sortBy(entitySortBy).toArray());
+          addEntitiesCard(
+            domain, filterGrouped(byDomain.get(domain)).sortBy(entitySortBy).toArray());
         }
       }
     );
     return cards;
   },
 
-  computeShouldRenderColumn(index, items) {
-    return index === 0 || items.length;
-  },
-
-  computeShowIntroduction(index, showIntroduction, cards) {
-    return index === 0 && (showIntroduction || cards._demo);
-  },
-
-  computeShowHideInstruction(states, cards) {
-    return states.size > 0 && !__DEMO__ && !cards._demo;
-  },
-
-  computeGroupEntityOfCard(cards, card) {
-    return card in cards && cards[card].groupEntity;
-  },
-
-  computeStatesOfCard(cards, card) {
-    return card in cards && cards[card].entities;
+  computeCardDataOfCard(cards, card) {
+    return cards[card];
   },
 });