Trigger a vue event when SessionStorage "joined_conversation" changes

Otherwise there is no update of the computed and the call screen will not show up.

Signed-off-by: Joas Schilling <coding@schilljs.com>

1 files changed, 59 insertions, 0 deletions

diff --git a/src/mixins/isInCall.js b/src/mixins/isInCall.js
new file mode 100644
index 000000000..d2165bb48
--- /dev/null
+++ b/src/mixins/isInCall.js
@@ -0,0 +1,59 @@
+/**
+ *
+ * @copyright Copyright (c) 2020 Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+import { PARTICIPANT } from '../constants'
+import SessionStorage from '../services/SessionStorage'
+import { EventBus } from '../services/EventBus'
+
+/**
+ * A mixin to check whether the current session of a user is in a call or not.
+ *
+ * Components using this mixin require a "token" property and a "participant" property with, at least, the "inCall" property.
+ */
+export default {
+
+	data() {
+		return {
+			sessionStorageJoinedConversation: null,
+		}
+	},
+
+	computed: {
+		isInCall() {
+			return this.sessionStorageJoinedConversation === this.token
+				&& this.participant.inCall !== PARTICIPANT.CALL_FLAG.DISCONNECTED
+		},
+	},
+
+	beforeDestroy() {
+		EventBus.$off('joinedConversation', this.readSessionStorageJoinedConversation)
+	},
+
+	beforeMount() {
+		EventBus.$on('joinedConversation', this.readSessionStorageJoinedConversation)
+	},
+
+	methods: {
+		readSessionStorageJoinedConversation() {
+			this.sessionStorageJoinedConversation = SessionStorage.getItem('joined_conversation')
+		},
+	},
+}