tdesktop/Telegram/SourceFiles/media/player/media_player_panel.cpp

419 lines
10 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 "media/player/media_player_panel.h"
#include "media/player/media_player_instance.h"
#include "info/media/info_media_list_widget.h"
#include "history/history.h"
#include "history/history_item.h"
#include "data/data_session.h"
#include "data/data_document.h"
#include "data/data_media_types.h"
#include "data/data_channel.h"
#include "data/data_chat.h"
#include "ui/widgets/shadow.h"
#include "ui/widgets/scroll_area.h"
#include "ui/ui_utility.h"
#include "mainwindow.h"
#include "main/main_session.h"
#include "app.h"
#include "styles/style_overview.h"
#include "styles/style_widgets.h"
#include "styles/style_media_player.h"
#include "styles/style_info.h"
namespace Media {
namespace Player {
namespace {
using ListWidget = Info::Media::ListWidget;
constexpr auto kPlaylistIdsLimit = 32;
constexpr auto kDelayedHideTimeout = crl::time(3000);
} // namespace
Panel::Panel(
QWidget *parent,
not_null<Window::SessionController*> window)
: RpWidget(parent)
, AbstractController(window)
, _showTimer([=] { startShow(); })
, _hideTimer([=] { startHideChecked(); })
, _scroll(this, st::mediaPlayerScroll) {
hide();
updateSize();
}
bool Panel::overlaps(const QRect &globalRect) {
if (isHidden() || _a_appearance.animating()) return false;
auto marginLeft = rtl() ? contentRight() : contentLeft();
auto marginRight = rtl() ? contentLeft() : contentRight();
return rect().marginsRemoved(QMargins(marginLeft, contentTop(), marginRight, contentBottom())).contains(QRect(mapFromGlobal(globalRect.topLeft()), globalRect.size()));
}
void Panel::resizeEvent(QResizeEvent *e) {
updateControlsGeometry();
}
void Panel::listHeightUpdated(int newHeight) {
if (newHeight > emptyInnerHeight()) {
updateSize();
} else {
_hideTimer.callOnce(0);
}
}
bool Panel::contentTooSmall() const {
const auto innerHeight = _scroll->widget()
? _scroll->widget()->height()
: emptyInnerHeight();
return (innerHeight <= emptyInnerHeight());
}
int Panel::emptyInnerHeight() const {
return st::infoMediaMargin.top()
+ st::overviewFileLayout.songPadding.top()
+ st::overviewFileLayout.songThumbSize
+ st::overviewFileLayout.songPadding.bottom()
+ st::infoMediaMargin.bottom();
}
bool Panel::preventAutoHide() const {
if (const auto list = static_cast<ListWidget*>(_scroll->widget())) {
return list->preventAutoHide();
}
return false;
}
void Panel::updateControlsGeometry() {
auto scrollTop = contentTop();
auto width = contentWidth();
auto scrollHeight = qMax(height() - scrollTop - contentBottom() - scrollMarginBottom(), 0);
if (scrollHeight > 0) {
_scroll->setGeometryToRight(contentRight(), scrollTop, width, scrollHeight);
}
if (auto widget = static_cast<TWidget*>(_scroll->widget())) {
widget->resizeToWidth(width);
}
}
int Panel::bestPositionFor(int left) const {
left -= contentLeft();
left -= st::mediaPlayerFileLayout.songPadding.left();
left -= st::mediaPlayerFileLayout.songThumbSize / 2;
return left;
}
void Panel::scrollPlaylistToCurrentTrack() {
if (const auto list = static_cast<ListWidget*>(_scroll->widget())) {
const auto rect = list->getCurrentSongGeometry();
_scroll->scrollToY(rect.y() - st::infoMediaMargin.top());
}
}
void Panel::updateSize() {
auto width = contentLeft() + st::mediaPlayerPanelWidth + contentRight();
auto height = contentTop();
auto listHeight = 0;
if (auto widget = _scroll->widget()) {
listHeight = widget->height();
}
auto scrollVisible = (listHeight > 0);
auto scrollHeight = scrollVisible ? (qMin(listHeight, st::mediaPlayerListHeightMax) + st::mediaPlayerListMarginBottom) : 0;
height += scrollHeight + contentBottom();
resize(width, height);
_scroll->setVisible(scrollVisible);
}
void Panel::paintEvent(QPaintEvent *e) {
Painter p(this);
if (!_cache.isNull()) {
bool animating = _a_appearance.animating();
if (animating) {
p.setOpacity(_a_appearance.value(_hiding ? 0. : 1.));
} else if (_hiding || isHidden()) {
hideFinished();
return;
}
p.drawPixmap(0, 0, _cache);
if (!animating) {
showChildren();
_cache = QPixmap();
}
return;
}
// draw shadow
auto shadowedRect = myrtlrect(contentLeft(), contentTop(), contentWidth(), contentHeight());
auto shadowedSides = (rtl() ? RectPart::Right : RectPart::Left)
| RectPart::Bottom
| (rtl() ? RectPart::Left : RectPart::Right)
| RectPart::Top;
Ui::Shadow::paint(p, shadowedRect, width(), st::defaultRoundShadow, shadowedSides);
auto parts = RectPart::Full;
App::roundRect(p, shadowedRect, st::menuBg, MenuCorners, nullptr, parts);
}
void Panel::enterEventHook(QEvent *e) {
if (_ignoringEnterEvents || contentTooSmall()) return;
_hideTimer.cancel();
if (_a_appearance.animating()) {
startShow();
} else {
_showTimer.callOnce(0);
}
return RpWidget::enterEventHook(e);
}
void Panel::leaveEventHook(QEvent *e) {
if (preventAutoHide()) {
return;
}
_showTimer.cancel();
if (_a_appearance.animating()) {
startHide();
} else {
_hideTimer.callOnce(300);
}
return RpWidget::leaveEventHook(e);
}
void Panel::showFromOther() {
_hideTimer.cancel();
if (_a_appearance.animating()) {
startShow();
} else {
_showTimer.callOnce(300);
}
}
void Panel::hideFromOther() {
_showTimer.cancel();
if (_a_appearance.animating()) {
startHide();
} else {
_hideTimer.callOnce(0);
}
}
void Panel::ensureCreated() {
if (_scroll->widget()) return;
_refreshListLifetime = instance()->playlistChanges(
AudioMsgId::Type::Song
) | rpl::start_with_next([=] {
refreshList();
});
refreshList();
macWindowDeactivateEvents(
) | rpl::filter([=] {
return !isHidden();
}) | rpl::start_with_next([=] {
leaveEvent(nullptr);
}, _refreshListLifetime);
_ignoringEnterEvents = false;
}
void Panel::refreshList() {
const auto current = instance()->current(AudioMsgId::Type::Song);
const auto contextId = current.contextId();
const auto peer = [&]() -> PeerData* {
if (const auto document = current.audio()) {
if (&document->session() != &session()) {
// Different account is playing music.
return nullptr;
}
}
const auto item = contextId
? session().data().message(contextId)
: nullptr;
const auto media = item ? item->media() : nullptr;
const auto document = media ? media->document() : nullptr;
if (!document
|| !document->isSharedMediaMusic()
|| !IsServerMsgId(item->id)) {
return nullptr;
}
const auto result = item->history()->peer;
if (const auto migrated = result->migrateTo()) {
return migrated;
}
return result;
}();
const auto migrated = peer ? peer->migrateFrom() : nullptr;
if (_listPeer != peer || _listMigratedPeer != migrated) {
_scroll->takeWidget<QWidget>().destroy();
_listPeer = _listMigratedPeer = nullptr;
}
if (peer && !_listPeer) {
_listPeer = peer;
_listMigratedPeer = migrated;
auto list = object_ptr<ListWidget>(this, infoController());
const auto weak = _scroll->setOwnedWidget(std::move(list));
updateSize();
updateControlsGeometry();
weak->checkForHide(
) | rpl::start_with_next([this] {
if (!rect().contains(mapFromGlobal(QCursor::pos()))) {
_hideTimer.callOnce(kDelayedHideTimeout);
}
}, weak->lifetime());
weak->heightValue(
) | rpl::start_with_next([this](int newHeight) {
listHeightUpdated(newHeight);
}, weak->lifetime());
weak->scrollToRequests(
) | rpl::start_with_next([this](int newScrollTop) {
_scroll->scrollToY(newScrollTop);
}, weak->lifetime());
// MSVC BUG + REGRESSION rpl::mappers::tuple :(
using namespace rpl::mappers;
rpl::combine(
_scroll->scrollTopValue(),
_scroll->heightValue()
) | rpl::start_with_next([=](int top, int height) {
const auto bottom = top + height;
weak->setVisibleTopBottom(top, bottom);
}, weak->lifetime());
auto memento = Info::Media::Memento(
peer,
migratedPeerId(),
section().mediaType());
memento.setAroundId(contextId);
memento.setIdsLimit(kPlaylistIdsLimit);
memento.setScrollTopItem(contextId);
memento.setScrollTopShift(-st::infoMediaMargin.top());
weak->restoreState(&memento);
}
}
void Panel::performDestroy() {
if (!_scroll->widget()) return;
_scroll->takeWidget<QWidget>().destroy();
_listPeer = _listMigratedPeer = nullptr;
_refreshListLifetime.destroy();
}
Info::Key Panel::key() const {
return Info::Key(_listPeer);
}
PeerData *Panel::migrated() const {
return _listMigratedPeer;
}
Info::Section Panel::section() const {
return Info::Section(Info::Section::MediaType::MusicFile);
}
void Panel::startShow() {
ensureCreated();
if (contentTooSmall()) {
return;
}
if (isHidden()) {
scrollPlaylistToCurrentTrack();
show();
} else if (!_hiding) {
return;
}
_hiding = false;
startAnimation();
}
void Panel::hideIgnoringEnterEvents() {
_ignoringEnterEvents = true;
if (isHidden()) {
hideFinished();
} else {
startHide();
}
}
void Panel::startHideChecked() {
if (!contentTooSmall() && preventAutoHide()) {
return;
}
if (isHidden()) {
hideFinished();
} else {
startHide();
}
}
void Panel::startHide() {
if (_hiding || isHidden()) return;
_hiding = true;
startAnimation();
}
void Panel::startAnimation() {
auto from = _hiding ? 1. : 0.;
auto to = _hiding ? 0. : 1.;
if (_cache.isNull()) {
showChildren();
_cache = Ui::GrabWidget(this);
}
hideChildren();
_a_appearance.start([this] { appearanceCallback(); }, from, to, st::defaultInnerDropdown.duration);
}
void Panel::appearanceCallback() {
if (!_a_appearance.animating() && _hiding) {
_hiding = false;
hideFinished();
} else {
update();
}
}
void Panel::hideFinished() {
hide();
_cache = QPixmap();
performDestroy();
}
int Panel::contentLeft() const {
return st::mediaPlayerPanelMarginLeft;
}
int Panel::contentTop() const {
return st::mediaPlayerPanelMarginLeft;
}
int Panel::contentRight() const {
return st::mediaPlayerPanelMarginLeft;
}
int Panel::contentBottom() const {
return st::mediaPlayerPanelMarginBottom;
}
int Panel::scrollMarginBottom() const {
return 0;// st::mediaPlayerPanelMarginBottom;
}
} // namespace Player
} // namespace Media