91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
/*
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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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#pragma once
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#include <statistics/statistics_common.h>
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namespace Statistic {
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class ChartLineViewContext final {
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public:
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ChartLineViewContext() = default;
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struct CacheToken final {
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explicit CacheToken() = default;
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explicit CacheToken(
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Limits xIndices,
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Limits xPercentageLimits,
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Limits heightLimits,
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QSize rectSize)
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: xIndices(std::move(xIndices))
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, xPercentageLimits(std::move(xPercentageLimits))
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, heightLimits(std::move(heightLimits))
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, rectSize(std::move(rectSize)) {
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}
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bool operator==(const CacheToken &other) const {
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return (rectSize == other.rectSize)
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&& (xIndices.min == other.xIndices.min)
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&& (xIndices.max == other.xIndices.max)
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&& (xPercentageLimits.min == other.xPercentageLimits.min)
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&& (xPercentageLimits.max == other.xPercentageLimits.max)
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&& (heightLimits.min == other.heightLimits.min)
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&& (heightLimits.max == other.heightLimits.max);
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}
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bool operator!=(const CacheToken &other) const {
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return !(*this == other);
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}
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Limits xIndices;
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Limits xPercentageLimits;
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Limits heightLimits;
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QSize rectSize;
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};
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struct Cache final {
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QImage image;
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CacheToken lastToken;
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bool hq = false;
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};
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void setEnabled(int id, bool enabled, crl::time now);
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[[nodiscard]] bool isEnabled(int id) const;
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[[nodiscard]] bool isFinished() const;
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[[nodiscard]] float64 alpha(int id) const;
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void setCacheFooter(bool value) {
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_isFooter = value;
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}
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void setCacheImage(int id, QImage &&image);
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void setCacheLastToken(int id, CacheToken token);
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void setCacheHQ(int id, bool value);
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[[nodiscard]] const Cache &cache(int id);
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void tick(crl::time now);
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float64 factor = 1.;
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private:
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struct Entry final {
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bool enabled = false;
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crl::time startedAt = 0;
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float64 alpha = 1.;
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};
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base::flat_map<int, Entry> _entries;
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base::flat_map<int, Cache> _caches;
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base::flat_map<int, Cache> _cachesFooter;
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bool _isFinished = true;
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bool _isFooter = false;
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};
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} // namespace Statistic
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