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Improved loop animation in voice messages with ttl.

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23rd 2024-01-09 16:01:58 +03:00 • committed by John Preston
parent 37067f17e2
commit 2a81a617e1
1 changed files with 27 additions and 25 deletions
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52
Telegram/SourceFiles/history/view/media/history_view_document.cpp
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@ -99,6 +99,7 @@ void DrawCornerBadgeTTL(
struct State final {
std::unique_ptr<Lottie::Icon> start;
std::unique_ptr<Lottie::Icon> idle;
bool started = false;
};
const auto iconSize = Size(std::min(
st::historyFileInPause.width(),
@ -110,36 +111,37 @@ void DrawCornerBadgeTTL(
.sizeOverride = iconSize,
});
const auto animateSingle = [=](
not_null<Lottie::Icon*> icon,
Fn<void()> next) {
auto callback = [=] {
update();
if (icon->frameIndex() == icon->framesCount()) {
next();
}
};
icon->animate(std::move(callback), 0, icon->framesCount());
};
const auto animate = [=](auto reanimate) -> void {
animateSingle(state->idle.get(), [=] { reanimate(reanimate); });
};
animateSingle(
state->start.get(),
[=] {
state->idle = Lottie::MakeIcon({
.name = u"voice_ttl_idle"_q,
.color = &st::historyFileInIconFg,
.sizeOverride = iconSize,
});
animate(animate);
});
const auto weak = std::weak_ptr(lifetime);
return [=](QPainter &p, QRect r, QColor c) {
if (weak.expired()) {
return;
}
(state->idle ? state->idle : state->start)->paintInCenter(p, r, c);
{
const auto &icon = state->idle;
if (icon) {
icon->paintInCenter(p, r, c);
if (!icon->animating()) {
icon->animate(update, 0, icon->framesCount());
}
return;
}
}
{
const auto &icon = state->start;
icon->paintInCenter(p, r, c);
if (!icon->animating()) {
if (!state->started) {
icon->animate(update, 0, icon->framesCount());
state->started = true;
} else {
state->idle = Lottie::MakeIcon({
.name = u"voice_ttl_idle"_q,
.color = &st::historyFileInIconFg,
.sizeOverride = iconSize,
});
}
}
}
};
}