Refactor NotifySettings in PeerData.

Telegram/SourceFiles/data/data_notify_settings.h

@@ -0,0 +1,60 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop version of Telegram messaging app, see https://telegram.org
+
+Telegram Desktop is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+It is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+In addition, as a special exception, the copyright holders give permission
+to link the code of portions of this program with the OpenSSL library.
+
+Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
+Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
+*/
+#pragma once
+
+namespace Data {
+
+class NotifySettingsValue;
+
+class NotifySettings {
+public:
+	NotifySettings();
+
+	enum class MuteChange {
+		Ignore,
+		Mute,
+		Unmute,
+	};
+	enum class SilentPostsChange {
+		Ignore,
+		Silent,
+		Notify,
+	};
+
+	bool change(const MTPPeerNotifySettings &settings);
+	bool change(
+		MuteChange mute,
+		SilentPostsChange silent,
+		int muteForSeconds);
+	TimeMs muteFinishesIn() const;
+	bool settingsUnknown() const;
+	bool silentPosts() const;
+	MTPinputPeerNotifySettings serialize() const;
+
+	~NotifySettings();
+
+private:
+	bool _known = false;
+	std::unique_ptr<NotifySettingsValue> _value;
+
+};
+
+} // namespace Data