Deprecate reliance on parentView

addon/components/md-card-content.js

@@ -1,6 +1,7 @@
 import Component from '@ember/component';
 import { computed } from '@ember/object';
 import layout from '../templates/components/md-card-content';
+import { deprecate } from '@ember/application/deprecations';
 
 export default Component.extend({
   layout,
@@ -9,15 +10,30 @@ export default Component.extend({
 
   classNameBindings: ['class'],
 
-  title: computed(function() {
+  title: computed('parentView.title', function() {
+    deprecate('Using md-card-content without passing it a "title" property (relying on parentView.title) is deprecated.',
+      true, {
+      id: 'ember-cli-materialize.deprecate-parentView',
+      until: '1.0.0'
+    });
     return this.get('parentView.title');
-  }).volatile(),
+  }),
 
-  titleClass: computed(function() {
+  titleClass: computed('parentView.titleClass', function() {
+    deprecate('Using md-card-content without passing it a "titleClass" property (relying on parentView.titleClass) is deprecated.',
+      true, {
+      id: 'ember-cli-materialize.deprecate-parentView',
+      until: '1.0.0'
+    });
     return this.get('parentView.titleClass');
-  }).volatile(),
+  }),
 
-  activator: computed(function() {
+  activator: computed('parentView.activator', function() {
+    deprecate('Using md-card-content without passing it an "activator" property (relying on parentView.activator) is deprecated.',
+      true, {
+      id: 'ember-cli-materialize.deprecate-parentView',
+      until: '1.0.0'
+    });
     return this.get('parentView.activator');
   }),
 

addon/components/md-card-reveal.js

@@ -1,12 +1,28 @@
 import Component from '@ember/component';
-import { alias } from '@ember/object/computed';
+import { computed } from '@ember/object';
 import layout from '../templates/components/md-card-reveal';
+import { deprecate } from '@ember/application/deprecations';
 
 export default Component.extend({
   layout,
   tagName: 'div',
 
   classNames: ['card-reveal'],
   classNameBindings: ['class'],
-  activator: alias('parentView.activator')
+  title: computed('parentView.title', function() {
+    deprecate('Using md-card-reveal without passing it a "title" property (relying on parentView.title) is deprecated.',
+      true, {
+      id: 'ember-cli-materialize.deprecate-parentView',
+      until: '1.0.0'
+    });
+    return this.get('parentView.title');
+  }),
+  activator: computed('parentView.activator', function() {
+    deprecate('Using md-card-reveal without passing it an "activator" property (relying on parentView.activator) is deprecated.',
+      true, {
+      id: 'ember-cli-materialize.deprecate-parentView',
+      until: '1.0.0'
+    });
+    return this.get('parentView.activator');
+  })
 });

addon/templates/components/md-card-reveal.hbs

@@ -1,4 +1,4 @@
 <span class="card-title grey-text text-darken-4 {{if activator 'activator'}}">
-  {{parentView.title}} <i class="material-icons right">close</i>
+  {{title}} <i class="material-icons right">close</i>
 </span>
 <p>{{yield}}</p>