47 lines
935 B
C++
47 lines
935 B
C++
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/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "ui/power_saving.h"
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namespace PowerSaving {
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namespace {
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Flags Data/* = {}*/;
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rpl::event_stream<> Events;
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} // namespace
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Flags Current() {
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return Data;
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}
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void Set(Flags flags) {
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if (const auto diff = Data ^ flags) {
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Data = flags;
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if (diff & kAnimations) {
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anim::SetDisabled(On(kAnimations));
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}
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Events.fire({});
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}
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}
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rpl::producer<Flags> Changes() {
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return Events.events() | rpl::map(Current);
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}
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rpl::producer<Flags> Value() {
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return rpl::single(Current()) | rpl::then(Changes());
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}
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rpl::producer<bool> Value(Flag flag) {
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return Value() | rpl::map([=](Flags flags) {
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return (flags & flag) != 0;
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}) | rpl::distinct_until_changed();
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}
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} // namespace PowerSaving
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