1 files changed, 64 insertions, 0 deletions
diff --git a/mobile/android/chrome/content/Feedback.js b/mobile/android/chrome/content/Feedback.js
new file mode 100644
index 000000000..8727c46c3
--- /dev/null
+++ b/mobile/android/chrome/content/Feedback.js
@@ -0,0 +1,64 @@
+/* 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";
+
+var Feedback = {
+
+  get _feedbackURL() {
+    delete this._feedbackURL;
+    return this._feedbackURL = Services.urlFormatter.formatURLPref("app.feedbackURL");
+  },
+
+  observe: function(aMessage, aTopic, aData) {
+    if (aTopic !== "Feedback:Show") {
+      return;
+    }
+
+    // Don't prompt for feedback in distribution builds.
+    try {
+      Services.prefs.getCharPref("distribution.id");
+      return;
+    } catch (e) {}
+
+    let url = this._feedbackURL;
+    let browser = BrowserApp.selectOrAddTab(url, { parentId: BrowserApp.selectedTab.id }).browser;
+
+    browser.addEventListener("FeedbackClose", this, false, true);
+    browser.addEventListener("FeedbackMaybeLater", this, false, true);
+
+    // Dispatch a custom event to the page content when feedback is prompted by the browser.
+    // This will be used by the page to determine it's being loaded directly by the browser,
+    // instead of by the user visiting the page, e.g. through browser history.
+    function loadListener(event) {
+      browser.removeEventListener("DOMContentLoaded", loadListener, false);
+      browser.contentDocument.dispatchEvent(new CustomEvent("FeedbackPrompted"));
+    }
+    browser.addEventListener("DOMContentLoaded", loadListener, false);
+  },
+
+  handleEvent: function(event) {
+    if (!this._isAllowed(event.target)) {
+      return;
+    }
+
+    switch (event.type) {
+      case "FeedbackClose":
+        // Do nothing.
+        break;
+
+      case "FeedbackMaybeLater":
+        Messaging.sendRequest({ type: "Feedback:MaybeLater" });
+        break;
+    }
+
+    let win = event.target.ownerDocument.defaultView.top;
+    BrowserApp.closeTab(BrowserApp.getTabForWindow(win));
+  },
+
+  _isAllowed: function(node) {
+    let uri = node.ownerDocument.documentURIObject;
+    let feedbackURI = Services.io.newURI(this._feedbackURL, null, null);
+    return uri.prePath === feedbackURI.prePath;
+  }
+};