tdesktop/Telegram/SourceFiles/history/view/history_view_pinned_section...

692 lines
18 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 "history/view/history_view_pinned_section.h"
#include "history/view/history_view_top_bar_widget.h"
#include "history/view/history_view_list_widget.h"
#include "history/history.h"
#include "history/history_item_components.h"
#include "history/history_item.h"
#include "boxes/confirm_box.h"
#include "ui/widgets/scroll_area.h"
#include "ui/widgets/shadow.h"
#include "ui/layers/generic_box.h"
#include "ui/item_text_options.h"
#include "ui/chat/chat_style.h"
#include "ui/toast/toast.h"
#include "ui/text/format_values.h"
#include "ui/text/text_utilities.h"
#include "ui/special_buttons.h"
#include "ui/ui_utility.h"
#include "ui/toasts/common_toasts.h"
#include "base/timer_rpl.h"
#include "apiwrap.h"
#include "window/window_adaptive.h"
#include "window/window_session_controller.h"
#include "window/window_peer_menu.h"
#include "base/event_filter.h"
#include "base/call_delayed.h"
#include "core/file_utilities.h"
#include "main/main_session.h"
#include "data/data_session.h"
#include "data/data_user.h"
#include "data/data_chat.h"
#include "data/data_channel.h"
#include "data/data_changes.h"
#include "data/data_sparse_ids.h"
#include "data/data_shared_media.h"
#include "data/data_peer_values.h"
#include "storage/storage_account.h"
#include "platform/platform_specific.h"
#include "lang/lang_keys.h"
#include "facades.h"
#include "styles/style_chat.h"
#include "styles/style_window.h"
#include "styles/style_info.h"
#include "styles/style_boxes.h"
#include <QtCore/QMimeData>
#include <QtGui/QGuiApplication>
namespace HistoryView {
namespace {
} // namespace
PinnedMemento::PinnedMemento(
not_null<History*> history,
UniversalMsgId highlightId)
: _history(history)
, _highlightId(highlightId) {
_list.setAroundPosition({
.fullId = FullMsgId(
history->channelId(),
highlightId),
.date = TimeId(0),
});
}
object_ptr<Window::SectionWidget> PinnedMemento::createWidget(
QWidget *parent,
not_null<Window::SessionController*> controller,
Window::Column column,
const QRect &geometry) {
if (column == Window::Column::Third) {
return nullptr;
}
auto result = object_ptr<PinnedWidget>(
parent,
controller,
_history);
result->setInternalState(geometry, this);
return result;
}
PinnedWidget::PinnedWidget(
QWidget *parent,
not_null<Window::SessionController*> controller,
not_null<History*> history)
: Window::SectionWidget(parent, controller, history->peer)
, _history(history->migrateToOrMe())
, _migratedPeer(_history->peer->migrateFrom())
, _topBar(this, controller)
, _topBarShadow(this)
, _scroll(std::make_unique<Ui::ScrollArea>(
this,
controller->chatStyle()->value(lifetime(), st::historyScroll),
false))
, _clearButton(std::make_unique<Ui::FlatButton>(
this,
QString(),
st::historyComposeButton))
, _scrollDown(
_scroll.get(),
controller->chatStyle()->value(lifetime(), st::historyToDown)) {
controller->chatStyle()->paletteChanged(
) | rpl::start_with_next([=] {
_scroll->updateBars();
}, _scroll->lifetime());
Window::ChatThemeValueFromPeer(
controller,
history->peer
) | rpl::start_with_next([=](std::shared_ptr<Ui::ChatTheme> &&theme) {
_theme = std::move(theme);
controller->setChatStyleTheme(_theme);
}, lifetime());
_topBar->setActiveChat(
TopBarWidget::ActiveChat{
.key = _history,
.section = Dialogs::EntryState::Section::Pinned,
},
nullptr);
_topBar->move(0, 0);
_topBar->resizeToWidth(width());
_topBar->show();
_topBar->setCustomTitle(tr::lng_contacts_loading(tr::now));
_topBar->deleteSelectionRequest(
) | rpl::start_with_next([=] {
confirmDeleteSelected();
}, _topBar->lifetime());
_topBar->forwardSelectionRequest(
) | rpl::start_with_next([=] {
confirmForwardSelected();
}, _topBar->lifetime());
_topBar->clearSelectionRequest(
) | rpl::start_with_next([=] {
clearSelected();
}, _topBar->lifetime());
_topBarShadow->raise();
controller->adaptive().value(
) | rpl::start_with_next([=] {
updateAdaptiveLayout();
}, lifetime());
_inner = _scroll->setOwnedWidget(object_ptr<ListWidget>(
this,
controller,
static_cast<ListDelegate*>(this)));
_scroll->move(0, _topBar->height());
_scroll->show();
_scroll->scrolls(
) | rpl::start_with_next([=] {
onScroll();
}, lifetime());
setupClearButton();
setupScrollDownButton();
}
PinnedWidget::~PinnedWidget() = default;
void PinnedWidget::setupScrollDownButton() {
_scrollDown->setClickedCallback([=] {
scrollDownClicked();
});
base::install_event_filter(_scrollDown, [=](not_null<QEvent*> event) {
if (event->type() != QEvent::Wheel) {
return base::EventFilterResult::Continue;
}
return _scroll->viewportEvent(event)
? base::EventFilterResult::Cancel
: base::EventFilterResult::Continue;
});
updateScrollDownVisibility();
}
void PinnedWidget::setupClearButton() {
Data::CanPinMessagesValue(
_history->peer
) | rpl::start_with_next([=] {
refreshClearButtonText();
}, _clearButton->lifetime());
_clearButton->setClickedCallback([=] {
if (!_history->peer->canPinMessages()) {
const auto callback = [=] {
controller()->showBackFromStack();
};
Window::HidePinnedBar(
controller(),
_history->peer,
crl::guard(this, callback));
} else {
Window::UnpinAllMessages(controller(), _history);
}
});
}
void PinnedWidget::scrollDownClicked() {
if (QGuiApplication::keyboardModifiers() == Qt::ControlModifier) {
showAtEnd();
//} else if (_replyReturn) {
// showAtPosition(_replyReturn->position());
} else {
showAtEnd();
}
}
void PinnedWidget::showAtStart() {
showAtPosition(Data::MinMessagePosition);
}
void PinnedWidget::showAtEnd() {
showAtPosition(Data::MaxMessagePosition);
}
void PinnedWidget::showAtPosition(
Data::MessagePosition position,
HistoryItem *originItem) {
if (!showAtPositionNow(position, originItem)) {
_inner->showAroundPosition(position, [=] {
return showAtPositionNow(position, originItem);
});
}
}
bool PinnedWidget::showAtPositionNow(
Data::MessagePosition position,
HistoryItem *originItem,
anim::type animated) {
using AnimatedScroll = HistoryView::ListWidget::AnimatedScroll;
const auto item = position.fullId
? _history->owner().message(position.fullId)
: nullptr;
const auto use = item ? item->position() : position;
if (const auto scrollTop = _inner->scrollTopForPosition(use)) {
const auto currentScrollTop = _scroll->scrollTop();
const auto wanted = std::clamp(
*scrollTop,
0,
_scroll->scrollTopMax());
const auto fullDelta = (wanted - currentScrollTop);
const auto limit = _scroll->height();
const auto scrollDelta = std::clamp(fullDelta, -limit, limit);
const auto type = (animated == anim::type::instant)
? AnimatedScroll::None
: (std::abs(fullDelta) > limit)
? AnimatedScroll::Part
: AnimatedScroll::Full;
_inner->scrollTo(
wanted,
use,
scrollDelta,
type);
if (use != Data::MaxMessagePosition
&& use != Data::UnreadMessagePosition) {
_inner->highlightMessage(use.fullId);
}
return true;
}
return false;
}
void PinnedWidget::updateScrollDownVisibility() {
if (animating()) {
return;
}
const auto scrollDownIsVisible = [&]() -> std::optional<bool> {
const auto top = _scroll->scrollTop() + st::historyToDownShownAfter;
if (top < _scroll->scrollTopMax()) {
return true;
} else if (_inner->loadedAtBottomKnown()) {
return !_inner->loadedAtBottom();
}
return std::nullopt;
};
const auto scrollDownIsShown = scrollDownIsVisible();
if (!scrollDownIsShown) {
return;
}
if (_scrollDownIsShown != *scrollDownIsShown) {
_scrollDownIsShown = *scrollDownIsShown;
_scrollDownShown.start(
[=] { updateScrollDownPosition(); },
_scrollDownIsShown ? 0. : 1.,
_scrollDownIsShown ? 1. : 0.,
st::historyToDownDuration);
}
}
void PinnedWidget::updateScrollDownPosition() {
// _scrollDown is a child widget of _scroll, not me.
auto top = anim::interpolate(
0,
_scrollDown->height() + st::historyToDownPosition.y(),
_scrollDownShown.value(_scrollDownIsShown ? 1. : 0.));
_scrollDown->moveToRight(
st::historyToDownPosition.x(),
_scroll->height() - top);
auto shouldBeHidden = !_scrollDownIsShown && !_scrollDownShown.animating();
if (shouldBeHidden != _scrollDown->isHidden()) {
_scrollDown->setVisible(!shouldBeHidden);
}
}
void PinnedWidget::scrollDownAnimationFinish() {
_scrollDownShown.stop();
updateScrollDownPosition();
}
void PinnedWidget::updateAdaptiveLayout() {
_topBarShadow->moveToLeft(
controller()->adaptive().isOneColumn() ? 0 : st::lineWidth,
_topBar->height());
}
not_null<History*> PinnedWidget::history() const {
return _history;
}
Dialogs::RowDescriptor PinnedWidget::activeChat() const {
return {
_history,
FullMsgId(_history->channelId(), ShowAtUnreadMsgId)
};
}
QPixmap PinnedWidget::grabForShowAnimation(const Window::SectionSlideParams &params) {
_topBar->updateControlsVisibility();
if (params.withTopBarShadow) _topBarShadow->hide();
auto result = Ui::GrabWidget(this);
if (params.withTopBarShadow) _topBarShadow->show();
return result;
}
void PinnedWidget::doSetInnerFocus() {
_inner->setFocus();
}
bool PinnedWidget::showInternal(
not_null<Window::SectionMemento*> memento,
const Window::SectionShow &params) {
if (auto logMemento = dynamic_cast<PinnedMemento*>(memento.get())) {
if (logMemento->getHistory() == history()
|| logMemento->getHistory()->migrateToOrMe() == history()) {
restoreState(logMemento);
return true;
}
}
return false;
}
void PinnedWidget::setInternalState(
const QRect &geometry,
not_null<PinnedMemento*> memento) {
setGeometry(geometry);
Ui::SendPendingMoveResizeEvents(this);
restoreState(memento);
}
std::shared_ptr<Window::SectionMemento> PinnedWidget::createMemento() {
auto result = std::make_shared<PinnedMemento>(history());
saveState(result.get());
return result;
}
bool PinnedWidget::showMessage(
PeerId peerId,
const Window::SectionShow &params,
MsgId messageId) {
return false; // We want 'Go to original' to work.
}
void PinnedWidget::saveState(not_null<PinnedMemento*> memento) {
_inner->saveState(memento->list());
}
void PinnedWidget::restoreState(not_null<PinnedMemento*> memento) {
_inner->restoreState(memento->list());
if (const auto highlight = memento->getHighlightId()) {
const auto position = Data::MessagePosition{
.fullId = ((highlight > 0 || !_migratedPeer)
? FullMsgId(_history->channelId(), highlight)
: FullMsgId(0, -highlight)),
.date = TimeId(0),
};
_inner->showAroundPosition(position, [=] {
return showAtPositionNow(position, nullptr, anim::type::instant);
});
}
}
void PinnedWidget::resizeEvent(QResizeEvent *e) {
if (!width() || !height()) {
return;
}
recountChatWidth();
updateControlsGeometry();
}
void PinnedWidget::recountChatWidth() {
auto layout = (width() < st::adaptiveChatWideWidth)
? Window::Adaptive::ChatLayout::Normal
: Window::Adaptive::ChatLayout::Wide;
controller()->adaptive().setChatLayout(layout);
}
void PinnedWidget::setMessagesCount(int count) {
if (_messagesCount == count) {
return;
}
_messagesCount = count;
_topBar->setCustomTitle(
tr::lng_pinned_messages_title(tr::now, lt_count, count));
refreshClearButtonText();
}
void PinnedWidget::refreshClearButtonText() {
const auto can = _history->peer->canPinMessages();
_clearButton->setText(can
? tr::lng_pinned_unpin_all(
tr::now,
lt_count,
std::max(_messagesCount, 1)).toUpper()
: tr::lng_pinned_hide_all(tr::now).toUpper());
}
void PinnedWidget::updateControlsGeometry() {
const auto contentWidth = width();
const auto newScrollTop = _scroll->isHidden()
? std::nullopt
: base::make_optional(_scroll->scrollTop() + topDelta());
_topBar->resizeToWidth(contentWidth);
_topBarShadow->resize(contentWidth, st::lineWidth);
const auto bottom = height() - _clearButton->height();
_clearButton->resizeToWidth(width());
_clearButton->move(0, bottom);
const auto controlsHeight = 0;
const auto scrollY = _topBar->height();
const auto scrollHeight = bottom - scrollY - controlsHeight;
const auto scrollSize = QSize(contentWidth, scrollHeight);
if (_scroll->size() != scrollSize) {
_skipScrollEvent = true;
_scroll->resize(scrollSize);
_inner->resizeToWidth(scrollSize.width(), _scroll->height());
_skipScrollEvent = false;
}
_scroll->move(0, scrollY);
if (!_scroll->isHidden()) {
if (newScrollTop) {
_scroll->scrollToY(*newScrollTop);
}
updateInnerVisibleArea();
}
updateScrollDownPosition();
}
void PinnedWidget::paintEvent(QPaintEvent *e) {
if (animating()) {
SectionWidget::paintEvent(e);
return;
} else if (Ui::skipPaintEvent(this, e)) {
return;
}
const auto aboveHeight = _topBar->height();
const auto bg = e->rect().intersected(
QRect(0, aboveHeight, width(), height() - aboveHeight));
SectionWidget::PaintBackground(controller(), _theme.get(), this, bg);
}
void PinnedWidget::onScroll() {
if (_skipScrollEvent) {
return;
}
updateInnerVisibleArea();
}
void PinnedWidget::updateInnerVisibleArea() {
const auto scrollTop = _scroll->scrollTop();
_inner->setVisibleTopBottom(scrollTop, scrollTop + _scroll->height());
updateScrollDownVisibility();
}
void PinnedWidget::showAnimatedHook(
const Window::SectionSlideParams &params) {
_topBar->setAnimatingMode(true);
if (params.withTopBarShadow) {
_topBarShadow->show();
}
}
void PinnedWidget::showFinishedHook() {
_topBar->setAnimatingMode(false);
}
bool PinnedWidget::floatPlayerHandleWheelEvent(QEvent *e) {
return _scroll->viewportEvent(e);
}
QRect PinnedWidget::floatPlayerAvailableRect() {
return mapToGlobal(_scroll->geometry());
}
Context PinnedWidget::listContext() {
return Context::Pinned;
}
void PinnedWidget::listScrollTo(int top) {
if (_scroll->scrollTop() != top) {
_scroll->scrollToY(top);
} else {
updateInnerVisibleArea();
}
}
void PinnedWidget::listCancelRequest() {
if (_inner && !_inner->getSelectedIds().empty()) {
clearSelected();
return;
}
controller()->showBackFromStack();
}
void PinnedWidget::listDeleteRequest() {
confirmDeleteSelected();
}
rpl::producer<int> SharedMediaCountValue(
not_null<PeerData*> peer,
PeerData *migrated,
Storage::SharedMediaType type) {
auto aroundId = 0;
auto limit = 0;
auto updated = SharedMediaMergedViewer(
&peer->session(),
SharedMediaMergedKey(
SparseIdsMergedSlice::Key(
peer->id,
migrated ? migrated->id : 0,
aroundId),
type),
limit,
limit
) | rpl::map([](const SparseIdsMergedSlice &slice) {
return slice.fullCount();
}) | rpl::filter_optional();
return rpl::single(0) | rpl::then(std::move(updated));
}
rpl::producer<Data::MessagesSlice> PinnedWidget::listSource(
Data::MessagePosition aroundId,
int limitBefore,
int limitAfter) {
const auto messageId = aroundId.fullId.msg
? aroundId.fullId.msg
: (ServerMaxMsgId - 1);
return SharedMediaMergedViewer(
&_history->session(),
SharedMediaMergedKey(
SparseIdsMergedSlice::Key(
_history->peer->id,
_migratedPeer ? _migratedPeer->id : 0,
messageId),
Storage::SharedMediaType::Pinned),
limitBefore,
limitAfter
) | rpl::filter([=](const SparseIdsMergedSlice &slice) {
const auto count = slice.fullCount();
if (!count.has_value()) {
return true;
} else if (*count != 0) {
setMessagesCount(*count);
return true;
} else {
controller()->showBackFromStack();
return false;
}
}) | rpl::map([=](SparseIdsMergedSlice &&slice) {
auto result = Data::MessagesSlice();
result.fullCount = slice.fullCount();
result.skippedAfter = slice.skippedAfter();
result.skippedBefore = slice.skippedBefore();
const auto count = slice.size();
result.ids.reserve(count);
if (const auto msgId = slice.nearest(messageId)) {
result.nearestToAround = *msgId;
}
for (auto i = 0; i != count; ++i) {
result.ids.push_back(slice[i]);
}
return result;
});
}
bool PinnedWidget::listAllowsMultiSelect() {
return true;
}
bool PinnedWidget::listIsItemGoodForSelection(
not_null<HistoryItem*> item) {
return IsServerMsgId(item->id);
}
bool PinnedWidget::listIsLessInOrder(
not_null<HistoryItem*> first,
not_null<HistoryItem*> second) {
return first->position() < second->position();
}
void PinnedWidget::listSelectionChanged(SelectedItems &&items) {
HistoryView::TopBarWidget::SelectedState state;
state.count = items.size();
for (const auto &item : items) {
if (item.canDelete) {
++state.canDeleteCount;
}
if (item.canForward) {
++state.canForwardCount;
}
}
_topBar->showSelected(state);
}
void PinnedWidget::listVisibleItemsChanged(HistoryItemsList &&items) {
}
MessagesBarData PinnedWidget::listMessagesBar(
const std::vector<not_null<Element*>> &elements) {
return {};
}
void PinnedWidget::listContentRefreshed() {
}
ClickHandlerPtr PinnedWidget::listDateLink(not_null<Element*> view) {
return nullptr;
}
bool PinnedWidget::listElementHideReply(not_null<const Element*> view) {
return false;
}
bool PinnedWidget::listElementShownUnread(not_null<const Element*> view) {
return view->data()->unread();
}
bool PinnedWidget::listIsGoodForAroundPosition(
not_null<const Element*> view) {
return IsServerMsgId(view->data()->id);
}
void PinnedWidget::listSendBotCommand(
const QString &command,
const FullMsgId &context) {
}
void PinnedWidget::listHandleViaClick(not_null<UserData*> bot) {
}
not_null<Ui::ChatTheme*> PinnedWidget::listChatTheme() {
return _theme.get();
}
void PinnedWidget::confirmDeleteSelected() {
ConfirmDeleteSelectedItems(_inner);
}
void PinnedWidget::confirmForwardSelected() {
ConfirmForwardSelectedItems(_inner);
}
void PinnedWidget::clearSelected() {
_inner->cancelSelection();
}
} // namespace HistoryView