1 files changed, 83 insertions, 0 deletions
diff --git a/devtools/client/projecteditor/lib/plugins/core.js b/devtools/client/projecteditor/lib/plugins/core.js
new file mode 100644
index 000000000..933eda043
--- /dev/null
+++ b/devtools/client/projecteditor/lib/plugins/core.js
@@ -0,0 +1,83 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// This is the core plugin API.
+
+const { Class } = require("sdk/core/heritage");
+
+var Plugin = Class({
+  initialize: function (host) {
+    this.host = host;
+    this.init(host);
+  },
+
+  destroy: function (host) { },
+
+  init: function (host) {},
+
+  showForCategories: function (elt, categories) {
+    this._showFor = this._showFor || [];
+    let set = new Set(categories);
+    this._showFor.push({
+      elt: elt,
+      categories: new Set(categories)
+    });
+    if (this.host.currentEditor) {
+      this.onEditorActivated(this.host.currentEditor);
+    } else {
+      elt.classList.add("plugin-hidden");
+    }
+  },
+
+  priv: function (item) {
+    if (!this._privData) {
+      this._privData = new WeakMap();
+    }
+    if (!this._privData.has(item)) {
+      this._privData.set(item, {});
+    }
+    return this._privData.get(item);
+  },
+  onTreeSelected: function (resource) {},
+
+
+  // Editor state lifetime...
+  onEditorCreated: function (editor) {},
+  onEditorDestroyed: function (editor) {},
+
+  onEditorActivated: function (editor) {
+    if (this._showFor) {
+      let category = editor.category;
+      for (let item of this._showFor) {
+        if (item.categories.has(category)) {
+          item.elt.classList.remove("plugin-hidden");
+        } else {
+          item.elt.classList.add("plugin-hidden");
+        }
+      }
+    }
+  },
+  onEditorDeactivated: function (editor) {
+    if (this._showFor) {
+      for (let item of this._showFor) {
+        item.elt.classList.add("plugin-hidden");
+      }
+    }
+  },
+
+  onEditorLoad: function (editor) {},
+  onEditorSave: function (editor) {},
+  onEditorChange: function (editor) {},
+  onEditorCursorActivity: function (editor) {},
+});
+exports.Plugin = Plugin;
+
+function registerPlugin(constr) {
+  exports.registeredPlugins.push(constr);
+}
+exports.registerPlugin = registerPlugin;
+
+exports.registeredPlugins = [];