Provide initial state

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

2 files changed, 44 insertions, 0 deletions

diff --git a/core/src/OCP/index.js b/core/src/OCP/index.js
index e71c0672c3c..f4137d6ce54 100644
--- a/core/src/OCP/index.js
+++ b/core/src/OCP/index.js
@@ -2,8 +2,10 @@
  *
  */
 import loader from './loader'
+import initialState from './initialstate'
 
 /** @namespace OCP */
 export default {
 	Loader: loader,
+	InitialState: initialState,
 };
diff --git a/core/src/OCP/initialstate.js b/core/src/OCP/initialstate.js
new file mode 100644
index 00000000000..39e913157a7
--- /dev/null
+++ b/core/src/OCP/initialstate.js
@@ -0,0 +1,42 @@
+/*
+ * @copyright Copyright (c) 2019 Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @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/>.
+ *
+ */
+
+/**
+ * @namespace OCP
+ * @class InitialState
+ */
+export default {
+	loadState: function(app) {
+		const elem = document.querySelector('#initial-state-' + app);
+		if (elem === null) {
+			console.error('Could not find initial state of ' + app);
+			throw new Error('Could not find initial state of ' + app);
+		}
+
+		try {
+			return JSON.parse(atob(elem.value));
+		} catch (e) {
+			console.error('Could not parse initial state of ' + app);
+			throw new Error('Could not parse initial state of ' + app);
+		}
+	},
+}