Index: chrome/browser/invalidation/ticl_settings_provider.h |
diff --git a/chrome/browser/invalidation/ticl_settings_provider.h b/chrome/browser/invalidation/ticl_settings_provider.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3196c1d701a5a506ea342fda1e5ece1906a1ed3e |
--- /dev/null |
+++ b/chrome/browser/invalidation/ticl_settings_provider.h |
@@ -0,0 +1,44 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CHROME_BROWSER_INVALIDATION_TICL_SETTINGS_PROVIDER_H_ |
+#define CHROME_BROWSER_INVALIDATION_TICL_SETTINGS_PROVIDER_H_ |
+ |
+#include "base/macros.h" |
+#include "base/observer_list.h" |
+ |
+namespace invalidation { |
+ |
+// Provides configuration settings to TiclInvalidationService and notifies it |
+// when the settings change. |
+class TiclSettingsProvider { |
+ public: |
+ class Observer { |
+ public: |
+ virtual void OnUseGCMChannelChanged() = 0; |
+ |
+ protected: |
+ virtual ~Observer(); |
+ }; |
+ |
+ TiclSettingsProvider(); |
+ virtual ~TiclSettingsProvider(); |
+ |
+ virtual bool UseGCMChannel() const = 0; |
+ |
+ void AddObserver(Observer* observer); |
+ void RemoveObserver(Observer* observer); |
+ |
+ protected: |
+ void FireOnUseGCMChannelChanged(); |
+ |
+ private: |
+ ObserverList<Observer, true> observers_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(TiclSettingsProvider); |
+}; |
+ |
+} // namespace invalidation |
+ |
+#endif // CHROME_BROWSER_INVALIDATION_TICL_SETTINGS_PROVIDER_H_ |