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Telegram/SourceFiles/ui/power_saving.h

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+namespace PowerSaving {
+
+enum Flag : uint32 {
+	kAnimations = (1U << 0),
+	kStickersPanel = (1U << 1),
+	kStickersChat = (1U << 2),
+	kEmojiPanel = (1U << 3),
+	kEmojiReactions = (1U << 4),
+	kEmojiChat = (1U << 5),
+	kChatBackground = (1U << 6),
+	kChatSpoiler = (1U << 7),
+	kCalls = (1U << 8),
+	kEmojiStatus = (1U << 9),
+	kChatEffects = (1U << 10),
+
+	kAll = (1U << 11) - 1,
+};
+inline constexpr bool is_flag_type(Flag) { return true; }
+using Flags = base::flags<Flag>;
+
+void Set(Flags flags);
+[[nodiscard]] Flags Current();
+
+void SetForceAll(bool force);
+[[nodiscard]] bool ForceAll();
+
+[[nodiscard]] rpl::producer<> Changes();
+
+[[nodiscard]] inline bool On(Flag flag) {
+	return ForceAll() || (Current() & flag);
+}
+[[nodiscard]] inline rpl::producer<bool> OnValue(Flag flag) {
+	return rpl::single(On(flag)) | rpl::then(Changes() | rpl::map([=] {
+		return On(flag);
+	})) | rpl::distinct_until_changed();
+}
+
+} // namespace PowerSaving