1 files changed, 122 insertions, 0 deletions
diff --git a/browser/base/content/browser-data-submission-info-bar.js b/browser/base/content/browser-data-submission-info-bar.js
new file mode 100644
index 0000000000..896542796c
--- /dev/null
+++ b/browser/base/content/browser-data-submission-info-bar.js
@@ -0,0 +1,122 @@
+/* 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/. */
+
+/**
+ * Represents an info bar that shows a data submission notification.
+ */
+var gDataNotificationInfoBar = {
+  _OBSERVERS: [
+    "datareporting:notify-data-policy:request",
+    "datareporting:notify-data-policy:close",
+  ],
+
+  _DATA_REPORTING_NOTIFICATION: "data-reporting",
+
+  get _log() {
+    let { Log } = ChromeUtils.importESModule(
+      "resource://gre/modules/Log.sys.mjs"
+    );
+    delete this._log;
+    return (this._log = Log.repository.getLoggerWithMessagePrefix(
+      "Toolkit.Telemetry",
+      "DataNotificationInfoBar::"
+    ));
+  },
+
+  init() {
+    window.addEventListener("unload", () => {
+      for (let o of this._OBSERVERS) {
+        Services.obs.removeObserver(this, o);
+      }
+    });
+
+    for (let o of this._OBSERVERS) {
+      Services.obs.addObserver(this, o, true);
+    }
+  },
+
+  _getDataReportingNotification(name = this._DATA_REPORTING_NOTIFICATION) {
+    return gNotificationBox.getNotificationWithValue(name);
+  },
+
+  _displayDataPolicyInfoBar(request) {
+    if (this._getDataReportingNotification()) {
+      return;
+    }
+
+    this._actionTaken = false;
+
+    let buttons = [
+      {
+        "l10n-id": "data-reporting-notification-button",
+        popup: null,
+        callback: () => {
+          this._actionTaken = true;
+          window.openPreferences("privacy-reports");
+        },
+      },
+    ];
+
+    this._log.info("Creating data reporting policy notification.");
+    gNotificationBox.appendNotification(
+      this._DATA_REPORTING_NOTIFICATION,
+      {
+        label: {
+          "l10n-id": "data-reporting-notification-message",
+        },
+        priority: gNotificationBox.PRIORITY_INFO_HIGH,
+        eventCallback: event => {
+          if (event == "removed") {
+            Services.obs.notifyObservers(
+              null,
+              "datareporting:notify-data-policy:close"
+            );
+          }
+        },
+      },
+      buttons
+    );
+    // It is important to defer calling onUserNotifyComplete() until we're
+    // actually sure the notification was displayed. If we ever called
+    // onUserNotifyComplete() without showing anything to the user, that
+    // would be very good for user choice. It may also have legal impact.
+    request.onUserNotifyComplete();
+  },
+
+  _clearPolicyNotification() {
+    let notification = this._getDataReportingNotification();
+    if (notification) {
+      this._log.debug("Closing notification.");
+      notification.close();
+    }
+  },
+
+  observe(subject, topic, data) {
+    switch (topic) {
+      case "datareporting:notify-data-policy:request":
+        let request = subject.wrappedJSObject.object;
+        try {
+          this._displayDataPolicyInfoBar(request);
+        } catch (ex) {
+          request.onUserNotifyFailed(ex);
+        }
+        break;
+
+      case "datareporting:notify-data-policy:close":
+        // If this observer fires, it means something else took care of
+        // responding. Therefore, we don't need to do anything. So, we
+        // act like we took action and clear state.
+        this._actionTaken = true;
+        this._clearPolicyNotification();
+        break;
+
+      default:
+    }
+  },
+
+  QueryInterface: ChromeUtils.generateQI([
+    "nsIObserver",
+    "nsISupportsWeakReference",
+  ]),
+};