tdesktop/Telegram/SourceFiles/window/window_connecting_widget.cpp

601 lines
15 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "window/window_connecting_widget.h"
#include "ui/widgets/buttons.h"
#include "ui/effects/radial_animation.h"
#include "window/themes/window_theme.h"
#include "boxes/connection_box.h"
#include "lang/lang_keys.h"
#include "styles/style_window.h"
namespace Window {
namespace {
constexpr auto kIgnoreStartConnectingFor = crl::time(3000);
constexpr auto kConnectingStateDelay = crl::time(1000);
constexpr auto kRefreshTimeout = crl::time(200);
constexpr auto kMinimalWaitingStateDuration = crl::time(4000);
class Progress : public Ui::RpWidget {
public:
Progress(QWidget *parent);
protected:
void paintEvent(QPaintEvent *e) override;
private:
void step(crl::time ms, bool timer);
Ui::InfiniteRadialAnimation _animation;
};
Progress::Progress(QWidget *parent)
: RpWidget(parent)
, _animation(animation(this, &Progress::step), st::connectingRadial) {
setAttribute(Qt::WA_OpaquePaintEvent);
setAttribute(Qt::WA_TransparentForMouseEvents);
resize(st::connectingRadial.size);
_animation.start(st::connectingRadial.sineDuration);
}
void Progress::paintEvent(QPaintEvent *e) {
Painter p(this);
p.fillRect(e->rect(), st::windowBg);
const auto &st = st::connectingRadial;
const auto shift = st.thickness - (st.thickness / 2);
_animation.draw(
p,
{ shift, shift },
QSize(st.size.width() - 2 * shift, st.size.height() - 2 * shift),
width());
}
void Progress::step(crl::time ms, bool timer) {
if (timer && !anim::Disabled()) {
update();
}
}
} // namespace
class ConnectionState::Widget : public Ui::AbstractButton {
public:
Widget(QWidget *parent, const Layout &layout);
void refreshRetryLink(bool hasRetry);
void setLayout(const Layout &layout);
void setProgressVisibility(bool visible);
rpl::producer<> refreshStateRequests() const;
protected:
void resizeEvent(QResizeEvent *e) override;
void paintEvent(QPaintEvent *e) override;
void onStateChanged(State was, StateChangeSource source) override;
private:
class ProxyIcon;
using State = ConnectionState::State;
using Layout = ConnectionState::Layout;
void updateRetryGeometry();
QRect innerRect() const;
QRect contentRect() const;
QRect textRect() const;
Layout _currentLayout;
base::unique_qptr<Ui::LinkButton> _retry;
QPointer<Ui::RpWidget> _progress;
QPointer<ProxyIcon> _proxyIcon;
rpl::event_stream<> _refreshStateRequests;
};
class ConnectionState::Widget::ProxyIcon
: public Ui::RpWidget
, private base::Subscriber {
public:
ProxyIcon(QWidget *parent);
void setToggled(bool toggled);
void setOpacity(float64 opacity);
protected:
void paintEvent(QPaintEvent *e) override;
private:
void refreshCacheImages();
float64 _opacity = 1.;
QPixmap _cacheOn;
QPixmap _cacheOff;
bool _toggled = true;
};
ConnectionState::Widget::ProxyIcon::ProxyIcon(QWidget *parent) : RpWidget(parent) {
resize(
std::max(
st::connectingRadial.size.width(),
st::connectingProxyOn.width()),
std::max(
st::connectingRadial.size.height(),
st::connectingProxyOn.height()));
using namespace Window::Theme;
subscribe(Background(), [=](const BackgroundUpdate &update) {
if (update.paletteChanged()) {
refreshCacheImages();
}
});
refreshCacheImages();
}
void ConnectionState::Widget::ProxyIcon::refreshCacheImages() {
const auto prepareCache = [&](const style::icon &icon) {
auto image = QImage(
size() * cIntRetinaFactor(),
QImage::Format_ARGB32_Premultiplied);
image.setDevicePixelRatio(cRetinaFactor());
image.fill(st::windowBg->c);
{
Painter p(&image);
icon.paint(
p,
(width() - icon.width()) / 2,
(height() - icon.height()) / 2,
width());
}
return App::pixmapFromImageInPlace(std::move(image));
};
_cacheOn = prepareCache(st::connectingProxyOn);
_cacheOff = prepareCache(st::connectingProxyOff);
}
void ConnectionState::Widget::ProxyIcon::setToggled(bool toggled) {
if (_toggled != toggled) {
_toggled = toggled;
update();
}
}
void ConnectionState::Widget::ProxyIcon::setOpacity(float64 opacity) {
_opacity = opacity;
if (_opacity == 0.) {
hide();
} else if (isHidden()) {
show();
}
update();
}
void ConnectionState::Widget::ProxyIcon::paintEvent(QPaintEvent *e) {
Painter p(this);
p.setOpacity(_opacity);
p.drawPixmap(0, 0, _toggled ? _cacheOn : _cacheOff);
}
bool ConnectionState::State::operator==(const State &other) const {
return (type == other.type)
&& (useProxy == other.useProxy)
&& (underCursor == other.underCursor)
&& (waitTillRetry == other.waitTillRetry);
}
ConnectionState::ConnectionState(
not_null<Ui::RpWidget*> parent,
rpl::producer<bool> shown)
: _parent(parent)
, _refreshTimer([=] { refreshState(); })
, _currentLayout(computeLayout(_state)) {
rpl::combine(
std::move(shown),
visibility()
) | rpl::start_with_next([=](bool shown, float64 visible) {
if (!shown || visible == 0.) {
_widget = nullptr;
} else if (!_widget) {
createWidget();
}
}, _lifetime);
subscribe(Global::RefConnectionTypeChanged(), [=] {
refreshState();
});
refreshState();
}
void ConnectionState::createWidget() {
_widget = base::make_unique_q<Widget>(_parent, _currentLayout);
_widget->setVisible(!_forceHidden);
updateWidth();
rpl::combine(
visibility(),
_parent->heightValue()
) | rpl::start_with_next([=](float64 visible, int height) {
_widget->moveToLeft(0, anim::interpolate(
height - st::connectingMargin.top(),
height - _widget->height(),
visible));
}, _widget->lifetime());
_widget->refreshStateRequests(
) | rpl::start_with_next([=] {
refreshState();
}, _widget->lifetime());
}
void ConnectionState::raise() {
if (_widget) {
_widget->raise();
}
}
void ConnectionState::finishAnimating() {
if (_contentWidth.animating()) {
_contentWidth.finish();
updateWidth();
}
if (_visibility.animating()) {
_visibility.finish();
updateVisibility();
}
}
void ConnectionState::setForceHidden(bool hidden) {
_forceHidden = hidden;
if (_widget) {
_widget->setVisible(!hidden);
}
}
void ConnectionState::refreshState() {
const auto state = [&]() -> State {
const auto under = _widget && _widget->isOver();
const auto mtp = MTP::dcstate();
const auto throughProxy
= (Global::ProxySettings() == ProxyData::Settings::Enabled);
if (mtp == MTP::ConnectingState
|| mtp == MTP::DisconnectedState
|| (mtp < 0 && mtp > -600)) {
return { State::Type::Connecting, throughProxy, under };
} else if (mtp < 0
&& mtp >= -kMinimalWaitingStateDuration
&& _state.type != State::Type::Waiting) {
return { State::Type::Connecting, throughProxy, under };
} else if (mtp < 0) {
const auto seconds = ((-mtp) / 1000) + 1;
return { State::Type::Waiting, throughProxy, under, seconds };
}
return { State::Type::Connected, throughProxy, under };
}();
if (state.waitTillRetry > 0) {
_refreshTimer.callOnce(kRefreshTimeout);
}
if (state == _state) {
return;
} else if (state.type == State::Type::Connecting
&& _state.type == State::Type::Connected) {
const auto now = crl::now();
if (!_connectingStartedAt) {
_connectingStartedAt = now;
_refreshTimer.callOnce(kConnectingStateDelay);
return;
}
const auto applyConnectingAt = std::max(
_connectingStartedAt + kConnectingStateDelay,
kIgnoreStartConnectingFor);
if (now < applyConnectingAt) {
_refreshTimer.callOnce(applyConnectingAt - now);
return;
}
}
applyState(state);
}
void ConnectionState::applyState(const State &state) {
const auto newLayout = computeLayout(state);
const auto guard = gsl::finally([&] { updateWidth(); });
_state = state;
if (_currentLayout.visible != newLayout.visible) {
changeVisibilityWithLayout(newLayout);
return;
}
if (_currentLayout.contentWidth != newLayout.contentWidth) {
if (!_currentLayout.contentWidth
|| !newLayout.contentWidth
|| _contentWidth.animating()) {
_contentWidth.start(
[=] { updateWidth(); },
_currentLayout.contentWidth,
newLayout.contentWidth,
st::connectingDuration);
}
}
const auto saved = _currentLayout;
setLayout(newLayout);
if (_currentLayout.text.isEmpty()
&& !saved.text.isEmpty()
&& _contentWidth.animating()) {
_currentLayout.text = saved.text;
_currentLayout.textWidth = saved.textWidth;
}
}
void ConnectionState::changeVisibilityWithLayout(const Layout &layout) {
Expects(_currentLayout.visible != layout.visible);
const auto changeLayout = !_currentLayout.visible;
_visibility.start(
[=] { updateVisibility(); },
layout.visible ? 0. : 1.,
layout.visible ? 1. : 0.,
st::connectingDuration);
if (_contentWidth.animating()) {
_contentWidth.start(
[=] { updateWidth(); },
_currentLayout.contentWidth,
(changeLayout ? layout : _currentLayout).contentWidth,
st::connectingDuration);
}
if (changeLayout) {
setLayout(layout);
} else {
_currentLayout.visible = layout.visible;
}
}
void ConnectionState::setLayout(const Layout &layout) {
_currentLayout = layout;
if (_widget) {
_widget->setLayout(layout);
}
refreshProgressVisibility();
}
void ConnectionState::refreshProgressVisibility() {
if (_widget) {
_widget->setProgressVisibility(_contentWidth.animating()
|| _currentLayout.progressShown);
}
}
void ConnectionState::updateVisibility() {
const auto value = currentVisibility();
if (value == 0. && _contentWidth.animating()) {
_contentWidth.finish();
updateWidth();
}
_visibilityValues.fire_copy(value);
}
float64 ConnectionState::currentVisibility() const {
return _visibility.current(_currentLayout.visible ? 1. : 0.);
}
rpl::producer<float64> ConnectionState::visibility() const {
return _visibilityValues.events_starting_with(currentVisibility());
}
auto ConnectionState::computeLayout(const State &state) const -> Layout {
auto result = Layout();
result.proxyEnabled = state.useProxy;
result.progressShown = (state.type != State::Type::Connected);
result.visible = state.useProxy
|| state.type == State::Type::Connecting
|| state.type == State::Type::Waiting;
switch (state.type) {
case State::Type::Connecting:
result.text = state.underCursor ? lang(lng_connecting) : QString();
break;
case State::Type::Waiting:
Assert(state.waitTillRetry > 0);
result.text = lng_reconnecting(lt_count, state.waitTillRetry);
break;
}
result.textWidth = st::normalFont->width(result.text);
const auto maxTextWidth = (state.type == State::Type::Waiting)
? st::normalFont->width(lng_reconnecting(lt_count, 88))
: result.textWidth;
result.contentWidth = (result.textWidth > 0)
? (st::connectingTextPadding.left()
+ result.textWidth
+ st::connectingTextPadding.right())
: 0;
if (state.type == State::Type::Waiting) {
result.contentWidth += st::connectingRetryLink.padding.left()
+ st::connectingRetryLink.font->width(
lang(lng_reconnecting_try_now))
+ st::connectingRetryLink.padding.right();
}
result.hasRetry = (state.type == State::Type::Waiting);
return result;
}
void ConnectionState::updateWidth() {
const auto current = _contentWidth.current(_currentLayout.contentWidth);
const auto height = st::connectingLeft.height();
const auto desired = QRect(0, 0, current, height).marginsAdded(
style::margins(
st::connectingLeft.width(),
0,
st::connectingRight.width(),
0)
).marginsAdded(
st::connectingMargin
);
if (_widget) {
_widget->resize(desired.size());
_widget->update();
}
refreshProgressVisibility();
}
ConnectionState::Widget::Widget(QWidget *parent, const Layout &layout)
: AbstractButton(parent)
, _currentLayout(layout) {
_proxyIcon = Ui::CreateChild<ProxyIcon>(this);
_progress = Ui::CreateChild<Progress>(this);
addClickHandler([=] {
Ui::show(ProxiesBoxController::CreateOwningBox());
});
}
void ConnectionState::Widget::onStateChanged(
AbstractButton::State was,
StateChangeSource source) {
Ui::PostponeCall(crl::guard(this, [=] {
_refreshStateRequests.fire({});
}));
}
rpl::producer<> ConnectionState::Widget::refreshStateRequests() const {
return _refreshStateRequests.events();
}
void ConnectionState::Widget::paintEvent(QPaintEvent *e) {
Painter p(this);
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
p.setBrush(st::windowBg);
const auto inner = innerRect();
const auto content = contentRect();
const auto text = textRect();
const auto left = inner.topLeft();
const auto right = content.topLeft() + QPoint(content.width(), 0);
st::connectingLeftShadow.paint(p, left, width());
st::connectingLeft.paint(p, left, width());
st::connectingRightShadow.paint(p, right, width());
st::connectingRight.paint(p, right, width());
st::connectingBodyShadow.fill(p, content);
st::connectingBody.fill(p, content);
const auto available = text.width();
if (available > 0 && !_currentLayout.text.isEmpty()) {
p.setFont(st::normalFont);
p.setPen(st::windowSubTextFg);
if (available >= _currentLayout.textWidth) {
p.drawTextLeft(
text.x(),
text.y(),
width(),
_currentLayout.text,
_currentLayout.textWidth);
} else {
p.drawTextLeft(
text.x(),
text.y(),
width(),
st::normalFont->elided(_currentLayout.text, available));
}
}
}
QRect ConnectionState::Widget::innerRect() const {
return rect().marginsRemoved(
st::connectingMargin
);
}
QRect ConnectionState::Widget::contentRect() const {
return innerRect().marginsRemoved(style::margins(
st::connectingLeft.width(),
0,
st::connectingRight.width(),
0));
}
QRect ConnectionState::Widget::textRect() const {
return contentRect().marginsRemoved(
st::connectingTextPadding
);
}
void ConnectionState::Widget::resizeEvent(QResizeEvent *e) {
{
const auto xShift = (height() - _progress->width()) / 2;
const auto yShift = (height() - _progress->height()) / 2;
_progress->moveToLeft(xShift, yShift);
}
{
const auto xShift = (height() - _proxyIcon->width()) / 2;
const auto yShift = (height() - _proxyIcon->height()) / 2;
_proxyIcon->moveToRight(xShift, yShift);
}
updateRetryGeometry();
}
void ConnectionState::Widget::updateRetryGeometry() {
if (!_retry) {
return;
}
const auto text = textRect();
const auto available = text.width() - _currentLayout.textWidth;
if (available <= 0) {
_retry->hide();
} else {
_retry->show();
_retry->resize(
std::min(available, _retry->naturalWidth()),
innerRect().height());
_retry->moveToLeft(
text.x() + text.width() - _retry->width(),
st::connectingMargin.top());
}
}
void ConnectionState::Widget::setLayout(const Layout &layout) {
_currentLayout = layout;
_proxyIcon->setToggled(_currentLayout.proxyEnabled);
refreshRetryLink(_currentLayout.hasRetry);
}
void ConnectionState::Widget::setProgressVisibility(bool visible) {
if (_progress->isHidden() == visible) {
_progress->setVisible(visible);
}
}
void ConnectionState::Widget::refreshRetryLink(bool hasRetry) {
if (hasRetry && !_retry) {
_retry = base::make_unique_q<Ui::LinkButton>(
this,
lang(lng_reconnecting_try_now),
st::connectingRetryLink);
_retry->addClickHandler([=] {
MTP::restart();
});
updateRetryGeometry();
} else if (!hasRetry) {
_retry = nullptr;
}
}
rpl::producer<bool> AdaptiveIsOneColumn() {
return rpl::single(
Adaptive::OneColumn()
) | rpl::then(base::ObservableViewer(
Adaptive::Changed()
) | rpl::map([] {
return Adaptive::OneColumn();
}));
}
} // namespace Window