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Fix possible crash in animations.

This commit is contained in:
John Preston 2019-05-28 14:46:18 +02:00
parent b3f5973329
commit e0d4884351
1 changed files with 4 additions and 1 deletions
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5
Telegram/SourceFiles/ui/effects/animations.h
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@ -234,8 +234,11 @@ TG_FORCE_INLINE bool Basic::animating() const {
} }
TG_FORCE_INLINE bool Basic::call(crl::time now) const { TG_FORCE_INLINE bool Basic::call(crl::time now) const {
Expects(_started >= 0);
// _started may be greater than now if we called restart while iterating.
const auto onstack = _callback; const auto onstack = _callback;
return onstack(now); return onstack(std::max(_started, now));
} }
inline Basic::~Basic() { inline Basic::~Basic() {