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Add recording mark animation.

This commit is contained in:
John Preston 2021-03-16 14:48:03 +04:00
parent c65c554d88
commit 199434c7a2
1 changed files with 23 additions and 0 deletions
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23
Telegram/SourceFiles/calls/calls_group_panel.cpp
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@ -53,6 +53,8 @@ namespace Calls::Group {
namespace {
constexpr auto kSpacePushToTalkDelay = crl::time(250);
constexpr auto kRecordingAnimationDuration = crl::time(1200);
constexpr auto kRecordingOpacity = 0.6;
class InviteController final : public ParticipantsBoxController {
public:
@ -602,8 +604,14 @@ void Panel::subscribeToChanges(not_null<Data::GroupCall*> real) {
if (!recording && _recordingMark) {
_recordingMark.destroy();
} else if (recording && !_recordingMark) {
struct State {
Ui::Animations::Simple animation;
base::Timer timer;
bool opaque = true;
};
_recordingMark.create(widget());
_recordingMark->show();
const auto state = _recordingMark->lifetime().make_state<State>();
const auto size = st::groupCallRecordingMark;
const auto skip = st::groupCallRecordingMarkSkip;
_recordingMark->resize(size + 2 * skip, size + 2 * skip);
@ -612,12 +620,27 @@ void Panel::subscribeToChanges(not_null<Data::GroupCall*> real) {
widget(),
tr::lng_group_call_is_recorded(tr::now));
});
const auto animate = [=] {
const auto opaque = state->opaque;
state->opaque = !opaque;
state->animation.start(
[=] { _recordingMark->update(); },
opaque ? 1. : kRecordingOpacity,
opaque ? kRecordingOpacity : 1.,
kRecordingAnimationDuration);
};
state->timer.setCallback(animate);
state->timer.callEach(kRecordingAnimationDuration);
animate();
_recordingMark->paintRequest(
) | rpl::start_with_next([=] {
auto p = QPainter(_recordingMark.data());
auto hq = PainterHighQualityEnabler(p);
p.setPen(Qt::NoPen);
p.setBrush(st::groupCallMemberMutedIcon);
p.setOpacity(state->animation.value(
state->opaque ? 1. : kRecordingOpacity));
p.drawEllipse(skip, skip, size, size);
}, _recordingMark->lifetime());
}