Add m-esr52 at 52.6.0

1 files changed, 56 insertions, 0 deletions

diff --git a/devtools/client/scratchpad/scratchpad-panel.js b/devtools/client/scratchpad/scratchpad-panel.js
new file mode 100644
index 000000000..6f92585f7
--- /dev/null
+++ b/devtools/client/scratchpad/scratchpad-panel.js
@@ -0,0 +1,56 @@
+/* -*- 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/. */
+"use strict";
+
+const {Cu} = require("chrome");
+const EventEmitter = require("devtools/shared/event-emitter");
+const promise = require("promise");
+
+
+function ScratchpadPanel(iframeWindow, toolbox) {
+  let { Scratchpad } = iframeWindow;
+  this._toolbox = toolbox;
+  this.panelWin = iframeWindow;
+  this.scratchpad = Scratchpad;
+
+  Scratchpad.target = this.target;
+  Scratchpad.hideMenu();
+
+  let deferred = promise.defer();
+  this._readyObserver = deferred.promise;
+  Scratchpad.addObserver({
+    onReady: function () {
+      Scratchpad.removeObserver(this);
+      deferred.resolve();
+    }
+  });
+
+  EventEmitter.decorate(this);
+}
+exports.ScratchpadPanel = ScratchpadPanel;
+
+ScratchpadPanel.prototype = {
+  /**
+   * Open is effectively an asynchronous constructor. For the ScratchpadPanel,
+   * by the time this is called, the Scratchpad will already be ready.
+   */
+  open: function () {
+    return this._readyObserver.then(() => {
+      this.isReady = true;
+      this.emit("ready");
+      return this;
+    });
+  },
+
+  get target() {
+    return this._toolbox.target;
+  },
+
+  destroy: function () {
+    this.emit("destroyed");
+    return promise.resolve();
+  }
+};