tdesktop/Telegram/SourceFiles/history/history_item.cpp

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/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#include "stdafx.h"
#include "history/history_item.h"
#include "lang.h"
#include "mainwidget.h"
#include "history/history_service_layout.h"
#include "media/media_clip_reader.h"
#include "styles/style_dialogs.h"
#include "fileuploader.h"
namespace {
// a new message from the same sender is attached to previous within 15 minutes
constexpr int kAttachMessageToPreviousSecondsDelta = 900;
} // namespace
ReplyMarkupClickHandler::ReplyMarkupClickHandler(const HistoryItem *item, int row, int col)
: _itemId(item->fullId())
, _row(row)
, _col(col) {
}
// Copy to clipboard support.
void ReplyMarkupClickHandler::copyToClipboard() const {
if (auto button = getButton()) {
if (button->type == HistoryMessageReplyMarkup::Button::Type::Url) {
auto url = QString::fromUtf8(button->data);
if (!url.isEmpty()) {
QApplication::clipboard()->setText(url);
}
}
}
}
QString ReplyMarkupClickHandler::copyToClipboardContextItemText() const {
if (auto button = getButton()) {
if (button->type == HistoryMessageReplyMarkup::Button::Type::Url) {
return lang(lng_context_copy_link);
}
}
return QString();
}
// Finds the corresponding button in the items markup struct.
// If the button is not found it returns nullptr.
// Note: it is possible that we will point to the different button
// than the one was used when constructing the handler, but not a big deal.
const HistoryMessageReplyMarkup::Button *ReplyMarkupClickHandler::getButton() const {
if (auto item = App::histItemById(_itemId)) {
if (auto markup = item->Get<HistoryMessageReplyMarkup>()) {
if (_row < markup->rows.size()) {
auto &row = markup->rows.at(_row);
if (_col < row.size()) {
return &row.at(_col);
}
}
}
}
return nullptr;
}
void ReplyMarkupClickHandler::onClickImpl() const {
if (auto item = App::histItemById(_itemId)) {
App::activateBotCommand(item, _row, _col);
}
}
// Returns the full text of the corresponding button.
QString ReplyMarkupClickHandler::buttonText() const {
if (auto button = getButton()) {
return button->text;
}
return QString();
}
ReplyKeyboard::ReplyKeyboard(const HistoryItem *item, StylePtr &&s)
: _item(item)
, _a_selected(animation(this, &ReplyKeyboard::step_selected))
, _st(std_::forward<StylePtr>(s)) {
if (auto markup = item->Get<HistoryMessageReplyMarkup>()) {
_rows.reserve(markup->rows.size());
for (int i = 0, l = markup->rows.size(); i != l; ++i) {
auto &row = markup->rows.at(i);
int s = row.size();
ButtonRow newRow(s, Button());
for (int j = 0; j != s; ++j) {
auto &button = newRow[j];
auto str = row.at(j).text;
button.type = row.at(j).type;
button.link = MakeShared<ReplyMarkupClickHandler>(item, i, j);
button.text.setText(_st->textFont(), textOneLine(str), _textPlainOptions);
button.characters = str.isEmpty() ? 1 : str.size();
}
_rows.push_back(newRow);
}
}
}
void ReplyKeyboard::updateMessageId() {
auto msgId = _item->fullId();
for_const (auto &row, _rows) {
for_const (auto &button, row) {
button.link->setMessageId(msgId);
}
}
}
void ReplyKeyboard::resize(int width, int height) {
_width = width;
auto markup = _item->Get<HistoryMessageReplyMarkup>();
float64 y = 0, buttonHeight = _rows.isEmpty() ? _st->buttonHeight() : (float64(height + _st->buttonSkip()) / _rows.size());
for (auto &row : _rows) {
int s = row.size();
int widthForButtons = _width - ((s - 1) * _st->buttonSkip());
int widthForText = widthForButtons;
int widthOfText = 0;
int maxMinButtonWidth = 0;
for_const (auto &button, row) {
widthOfText += qMax(button.text.maxWidth(), 1);
int minButtonWidth = _st->minButtonWidth(button.type);
widthForText -= minButtonWidth;
accumulate_max(maxMinButtonWidth, minButtonWidth);
}
bool exact = (widthForText == widthOfText);
bool enough = (widthForButtons - s * maxMinButtonWidth) >= widthOfText;
float64 x = 0;
for (Button &button : row) {
int buttonw = qMax(button.text.maxWidth(), 1);
float64 textw = buttonw, minw = _st->minButtonWidth(button.type);
float64 w = textw;
if (exact) {
w += minw;
} else if (enough) {
w = (widthForButtons / float64(s));
textw = w - minw;
} else {
textw = (widthForText / float64(s));
w = minw + textw;
accumulate_max(w, 2 * float64(_st->buttonPadding()));
}
int rectx = static_cast<int>(std::floor(x));
int rectw = static_cast<int>(std::floor(x + w)) - rectx;
button.rect = QRect(rectx, qRound(y), rectw, qRound(buttonHeight - _st->buttonSkip()));
if (rtl()) button.rect.setX(_width - button.rect.x() - button.rect.width());
x += w + _st->buttonSkip();
button.link->setFullDisplayed(textw >= buttonw);
}
y += buttonHeight;
}
}
bool ReplyKeyboard::isEnoughSpace(int width, const style::botKeyboardButton &st) const {
for_const (auto &row, _rows) {
int s = row.size();
int widthLeft = width - ((s - 1) * st.margin + s * 2 * st.padding);
for_const (auto &button, row) {
widthLeft -= qMax(button.text.maxWidth(), 1);
if (widthLeft < 0) {
if (row.size() > 3) {
return false;
} else {
break;
}
}
}
}
return true;
}
void ReplyKeyboard::setStyle(StylePtr &&st) {
_st = std_::move(st);
}
int ReplyKeyboard::naturalWidth() const {
auto result = 0;
for_const (auto &row, _rows) {
auto maxMinButtonWidth = 0;
for_const (auto &button, row) {
accumulate_max(maxMinButtonWidth, _st->minButtonWidth(button.type));
}
auto rowMaxButtonWidth = 0;
for_const (auto &button, row) {
accumulate_max(rowMaxButtonWidth, qMax(button.text.maxWidth(), 1) + maxMinButtonWidth);
}
auto rowSize = row.size();
accumulate_max(result, rowSize * rowMaxButtonWidth + (rowSize - 1) * _st->buttonSkip());
}
return result;
}
int ReplyKeyboard::naturalHeight() const {
return (_rows.size() - 1) * _st->buttonSkip() + _rows.size() * _st->buttonHeight();
}
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void ReplyKeyboard::paint(Painter &p, int outerWidth, const QRect &clip) const {
t_assert(_st != nullptr);
t_assert(_width > 0);
_st->startPaint(p);
for_const (auto &row, _rows) {
for_const (auto &button, row) {
QRect rect(button.rect);
if (rect.y() >= clip.y() + clip.height()) return;
if (rect.y() + rect.height() < clip.y()) continue;
// just ignore the buttons that didn't layout well
if (rect.x() + rect.width() > _width) break;
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_st->paintButton(p, outerWidth, button);
}
}
}
ClickHandlerPtr ReplyKeyboard::getState(int x, int y) const {
t_assert(_width > 0);
for_const (auto &row, _rows) {
for_const (auto &button, row) {
QRect rect(button.rect);
// just ignore the buttons that didn't layout well
if (rect.x() + rect.width() > _width) break;
if (rect.contains(x, y)) {
return button.link;
}
}
}
return ClickHandlerPtr();
}
void ReplyKeyboard::clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) {
if (!p) return;
bool startAnimation = false;
for (int i = 0, rows = _rows.size(); i != rows; ++i) {
auto &row = _rows.at(i);
for (int j = 0, cols = row.size(); j != cols; ++j) {
if (row.at(j).link == p) {
bool startAnimation = _animations.isEmpty();
int indexForAnimation = i * MatrixRowShift + j + 1;
if (!active) {
indexForAnimation = -indexForAnimation;
}
_animations.remove(-indexForAnimation);
if (!_animations.contains(indexForAnimation)) {
_animations.insert(indexForAnimation, getms());
}
if (startAnimation && !_a_selected.animating()) {
_a_selected.start();
}
return;
}
}
}
}
void ReplyKeyboard::clickHandlerPressedChanged(const ClickHandlerPtr &p, bool pressed) {
_st->repaint(_item);
}
void ReplyKeyboard::step_selected(uint64 ms, bool timer) {
for (Animations::iterator i = _animations.begin(); i != _animations.end();) {
int index = qAbs(i.key()) - 1, row = (index / MatrixRowShift), col = index % MatrixRowShift;
float64 dt = float64(ms - i.value()) / st::botKbDuration;
if (dt >= 1) {
_rows[row][col].howMuchOver = (i.key() > 0) ? 1 : 0;
i = _animations.erase(i);
} else {
_rows[row][col].howMuchOver = (i.key() > 0) ? dt : (1 - dt);
++i;
}
}
if (timer) _st->repaint(_item);
if (_animations.isEmpty()) {
_a_selected.stop();
}
}
void ReplyKeyboard::clearSelection() {
for (auto i = _animations.cbegin(), e = _animations.cend(); i != e; ++i) {
int index = qAbs(i.key()) - 1, row = (index / MatrixRowShift), col = index % MatrixRowShift;
_rows[row][col].howMuchOver = 0;
}
_animations.clear();
_a_selected.stop();
}
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void ReplyKeyboard::Style::paintButton(Painter &p, int outerWidth, const ReplyKeyboard::Button &button) const {
const QRect &rect = button.rect;
bool pressed = ClickHandler::showAsPressed(button.link);
paintButtonBg(p, rect, pressed, button.howMuchOver);
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paintButtonIcon(p, rect, outerWidth, button.type);
if (button.type == HistoryMessageReplyMarkup::Button::Type::Callback
|| button.type == HistoryMessageReplyMarkup::Button::Type::Game) {
if (auto data = button.link->getButton()) {
if (data->requestId) {
paintButtonLoading(p, rect);
}
}
}
int tx = rect.x(), tw = rect.width();
if (tw >= st::botKbFont->elidew + _st->padding * 2) {
tx += _st->padding;
tw -= _st->padding * 2;
} else if (tw > st::botKbFont->elidew) {
tx += (tw - st::botKbFont->elidew) / 2;
tw = st::botKbFont->elidew;
}
int textTop = rect.y() + (pressed ? _st->downTextTop : _st->textTop);
button.text.drawElided(p, tx, textTop + ((rect.height() - _st->height) / 2), tw, 1, style::al_top);
}
void HistoryMessageReplyMarkup::createFromButtonRows(const QVector<MTPKeyboardButtonRow> &v) {
if (v.isEmpty()) {
rows.clear();
return;
}
rows.reserve(v.size());
for_const (auto &row, v) {
switch (row.type()) {
case mtpc_keyboardButtonRow: {
auto &r = row.c_keyboardButtonRow();
auto &b = r.vbuttons.c_vector().v;
if (!b.isEmpty()) {
ButtonRow buttonRow;
buttonRow.reserve(b.size());
for_const (auto &button, b) {
switch (button.type()) {
case mtpc_keyboardButton: {
buttonRow.push_back({ Button::Type::Default, qs(button.c_keyboardButton().vtext), QByteArray(), 0 });
} break;
case mtpc_keyboardButtonCallback: {
auto &buttonData = button.c_keyboardButtonCallback();
buttonRow.push_back({ Button::Type::Callback, qs(buttonData.vtext), qba(buttonData.vdata), 0 });
} break;
case mtpc_keyboardButtonRequestGeoLocation: {
buttonRow.push_back({ Button::Type::RequestLocation, qs(button.c_keyboardButtonRequestGeoLocation().vtext), QByteArray(), 0 });
} break;
case mtpc_keyboardButtonRequestPhone: {
buttonRow.push_back({ Button::Type::RequestPhone, qs(button.c_keyboardButtonRequestPhone().vtext), QByteArray(), 0 });
} break;
case mtpc_keyboardButtonUrl: {
auto &buttonData = button.c_keyboardButtonUrl();
buttonRow.push_back({ Button::Type::Url, qs(buttonData.vtext), qba(buttonData.vurl), 0 });
} break;
case mtpc_keyboardButtonSwitchInline: {
auto &buttonData = button.c_keyboardButtonSwitchInline();
auto buttonType = buttonData.is_same_peer() ? Button::Type::SwitchInlineSame : Button::Type::SwitchInline;
buttonRow.push_back({ buttonType, qs(buttonData.vtext), qba(buttonData.vquery), 0 });
if (buttonType == Button::Type::SwitchInline) {
// Optimization flag.
// Fast check on all new messages if there is a switch button to auto-click it.
flags |= MTPDreplyKeyboardMarkup_ClientFlag::f_has_switch_inline_button;
}
} break;
case mtpc_keyboardButtonGame: {
auto &buttonData = button.c_keyboardButtonGame();
buttonRow.push_back({ Button::Type::Game, qs(buttonData.vtext), QByteArray(), 0 });
} break;
}
}
if (!buttonRow.isEmpty()) rows.push_back(buttonRow);
}
} break;
}
}
}
void HistoryMessageReplyMarkup::create(const MTPReplyMarkup &markup) {
flags = 0;
rows.clear();
inlineKeyboard = nullptr;
switch (markup.type()) {
case mtpc_replyKeyboardMarkup: {
auto &d = markup.c_replyKeyboardMarkup();
flags = d.vflags.v;
createFromButtonRows(d.vrows.c_vector().v);
} break;
case mtpc_replyInlineMarkup: {
auto &d = markup.c_replyInlineMarkup();
flags = MTPDreplyKeyboardMarkup::Flags(0) | MTPDreplyKeyboardMarkup_ClientFlag::f_inline;
createFromButtonRows(d.vrows.c_vector().v);
} break;
case mtpc_replyKeyboardHide: {
auto &d = markup.c_replyKeyboardHide();
flags = mtpCastFlags(d.vflags) | MTPDreplyKeyboardMarkup_ClientFlag::f_zero;
} break;
case mtpc_replyKeyboardForceReply: {
auto &d = markup.c_replyKeyboardForceReply();
flags = mtpCastFlags(d.vflags) | MTPDreplyKeyboardMarkup_ClientFlag::f_force_reply;
} break;
}
}
void HistoryMessageReplyMarkup::create(const HistoryMessageReplyMarkup &markup) {
flags = markup.flags;
inlineKeyboard = nullptr;
rows.clear();
for_const (auto &row, markup.rows) {
ButtonRow buttonRow;
buttonRow.reserve(row.size());
for_const (auto &button, row) {
buttonRow.push_back({ button.type, button.text, button.data, 0 });
}
if (!buttonRow.isEmpty()) rows.push_back(buttonRow);
}
}
void HistoryMessageUnreadBar::init(int count) {
if (_freezed) return;
_text = lng_unread_bar(lt_count, count);
_width = st::semiboldFont->width(_text);
}
int HistoryMessageUnreadBar::height() {
return st::unreadBarHeight + st::unreadBarMargin;
}
int HistoryMessageUnreadBar::marginTop() {
return st::lineWidth + st::unreadBarMargin;
}
void HistoryMessageUnreadBar::paint(Painter &p, int y, int w) const {
p.fillRect(0, y + marginTop(), w, height() - marginTop() - st::lineWidth, st::unreadBarBG);
p.fillRect(0, y + height() - st::lineWidth, w, st::lineWidth, st::unreadBarBorder);
p.setFont(st::unreadBarFont);
p.setPen(st::unreadBarColor);
int left = st::msgServiceMargin.left();
int maxwidth = w;
if (Adaptive::Wide()) {
maxwidth = qMin(maxwidth, int32(st::msgMaxWidth + 2 * st::msgPhotoSkip + 2 * st::msgMargin.left()));
}
w = maxwidth;
p.drawText((w - _width) / 2, y + marginTop() + (st::unreadBarHeight - 2 * st::lineWidth - st::unreadBarFont->height) / 2 + st::unreadBarFont->ascent, _text);
}
void HistoryMessageDate::init(const QDateTime &date) {
_text = langDayOfMonthFull(date.date());
_width = st::msgServiceFont->width(_text);
}
int HistoryMessageDate::height() const {
return st::msgServiceMargin.top() + st::msgServicePadding.top() + st::msgServiceFont->height + st::msgServicePadding.bottom() + st::msgServiceMargin.bottom();
}
void HistoryMessageDate::paint(Painter &p, int y, int w) const {
HistoryLayout::ServiceMessagePainter::paintDate(p, _text, _width, y, w);
}
void HistoryMediaPtr::reset(HistoryMedia *p) {
if (_p) {
_p->detachFromParent();
delete _p;
}
_p = p;
if (_p) {
_p->attachToParent();
}
}
namespace internal {
TextSelection unshiftSelection(TextSelection selection, const Text &byText) {
if (selection == FullSelection) {
return selection;
}
return ::unshiftSelection(selection, byText);
}
TextSelection shiftSelection(TextSelection selection, const Text &byText) {
if (selection == FullSelection) {
return selection;
}
return ::shiftSelection(selection, byText);
}
} // namespace internal
HistoryItem::HistoryItem(History *history, MsgId msgId, MTPDmessage::Flags flags, QDateTime msgDate, int32 from) : HistoryElement()
, y(0)
, id(msgId)
, date(msgDate)
, _from(from ? App::user(from) : history->peer)
, _history(history)
, _flags(flags | MTPDmessage_ClientFlag::f_pending_init_dimensions | MTPDmessage_ClientFlag::f_pending_resize)
, _authorNameVersion(author()->nameVersion) {
}
void HistoryItem::finishCreate() {
App::historyRegItem(this);
}
void HistoryItem::finishEdition(int oldKeyboardTop) {
setPendingInitDimensions();
if (App::main()) {
App::main()->dlgUpdated(history(), id);
}
// invalidate cache for drawInDialog
if (history()->textCachedFor == this) {
history()->textCachedFor = nullptr;
}
if (oldKeyboardTop >= 0) {
if (auto keyboard = Get<HistoryMessageReplyMarkup>()) {
keyboard->oldTop = oldKeyboardTop;
}
}
App::historyUpdateDependent(this);
}
void HistoryItem::finishEditionToEmpty() {
recountDisplayDate();
finishEdition(-1);
_history->removeNotification(this);
if (history()->isChannel()) {
if (history()->peer->isMegagroup() && history()->peer->asChannel()->mgInfo->pinnedMsgId == id) {
history()->peer->asChannel()->mgInfo->pinnedMsgId = 0;
}
}
if (history()->lastKeyboardId == id) {
history()->clearLastKeyboard();
}
if ((!out() || isPost()) && unread() && history()->unreadCount() > 0) {
history()->setUnreadCount(history()->unreadCount() - 1);
}
if (auto next = nextItem()) {
next->previousItemChanged();
}
}
void HistoryItem::clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) {
if (auto markup = Get<HistoryMessageReplyMarkup>()) {
if (markup->inlineKeyboard) {
markup->inlineKeyboard->clickHandlerActiveChanged(p, active);
}
}
App::hoveredLinkItem(active ? this : nullptr);
Ui::repaintHistoryItem(this);
}
void HistoryItem::clickHandlerPressedChanged(const ClickHandlerPtr &p, bool pressed) {
if (auto markup = Get<HistoryMessageReplyMarkup>()) {
if (markup->inlineKeyboard) {
markup->inlineKeyboard->clickHandlerPressedChanged(p, pressed);
}
}
App::pressedLinkItem(pressed ? this : nullptr);
Ui::repaintHistoryItem(this);
}
void HistoryItem::destroy() {
// All this must be done for all items manually in History::clear(false)!
eraseFromOverview();
bool wasAtBottom = history()->loadedAtBottom();
_history->removeNotification(this);
detach();
if (history()->isChannel()) {
if (history()->peer->isMegagroup() && history()->peer->asChannel()->mgInfo->pinnedMsgId == id) {
history()->peer->asChannel()->mgInfo->pinnedMsgId = 0;
}
}
if (history()->lastMsg == this) {
history()->fixLastMessage(wasAtBottom);
}
if (history()->lastKeyboardId == id) {
history()->clearLastKeyboard();
}
if ((!out() || isPost()) && unread() && history()->unreadCount() > 0) {
history()->setUnreadCount(history()->unreadCount() - 1);
}
Global::RefPendingRepaintItems().remove(this);
delete this;
}
void HistoryItem::detach() {
if (detached()) return;
if (_history->isChannel()) {
_history->asChannelHistory()->messageDetached(this);
}
_block->removeItem(this);
App::historyItemDetached(this);
_history->setPendingResize();
}
void HistoryItem::detachFast() {
_block = nullptr;
_indexInBlock = -1;
}
void HistoryItem::previousItemChanged() {
recountDisplayDate();
recountAttachToPrevious();
}
void HistoryItem::recountAttachToPrevious() {
bool attach = false;
if (!isPost() && !Has<HistoryMessageDate>() && !Has<HistoryMessageUnreadBar>()) {
if (auto previos = previousItem()) {
attach = !previos->isPost()
&& !previos->serviceMsg()
&& !previos->isEmpty()
&& previos->from() == from()
&& (qAbs(previos->date.secsTo(date)) < kAttachMessageToPreviousSecondsDelta);
}
}
if (attach && !(_flags & MTPDmessage_ClientFlag::f_attach_to_previous)) {
_flags |= MTPDmessage_ClientFlag::f_attach_to_previous;
setPendingInitDimensions();
} else if (!attach && (_flags & MTPDmessage_ClientFlag::f_attach_to_previous)) {
_flags &= ~MTPDmessage_ClientFlag::f_attach_to_previous;
setPendingInitDimensions();
}
}
void HistoryItem::setId(MsgId newId) {
history()->changeMsgId(id, newId);
id = newId;
// We don't need to call Notify::replyMarkupUpdated(this) and update keyboard
// in history widget, because it can't exist for an outgoing message.
// Only inline keyboards can be in outgoing messages.
if (auto markup = inlineReplyMarkup()) {
if (markup->inlineKeyboard) {
markup->inlineKeyboard->updateMessageId();
}
}
}
bool HistoryItem::canEdit(const QDateTime &cur) const {
auto messageToMyself = (peerToUser(_history->peer->id) == MTP::authedId());
auto messageTooOld = messageToMyself ? false : (date.secsTo(cur) >= Global::EditTimeLimit());
if (id < 0 || messageTooOld) return false;
if (auto msg = toHistoryMessage()) {
if (msg->Has<HistoryMessageVia>() || msg->Has<HistoryMessageForwarded>()) return false;
if (auto media = msg->getMedia()) {
auto type = media->type();
if (type != MediaTypePhoto &&
type != MediaTypeVideo &&
type != MediaTypeFile &&
type != MediaTypeGif &&
type != MediaTypeMusicFile &&
type != MediaTypeVoiceFile &&
type != MediaTypeWebPage) {
return false;
}
}
if (isPost()) {
auto channel = _history->peer->asChannel();
return (channel->amCreator() || (channel->amEditor() && out()));
}
return out() || messageToMyself;
}
return false;
}
bool HistoryItem::unread() const {
// Messages from myself are always read.
if (history()->peer->isSelf()) return false;
if (out()) {
// Outgoing messages in converted chats are always read.
if (history()->peer->migrateTo()) return false;
if (id > 0) {
if (id < history()->outboxReadBefore) return false;
if (auto user = history()->peer->asUser()) {
if (user->botInfo) return false;
} else if (auto channel = history()->peer->asChannel()) {
if (!channel->isMegagroup()) return false;
}
}
return true;
}
if (id > 0) {
if (id < history()->inboxReadBefore) return false;
return true;
}
return (_flags & MTPDmessage_ClientFlag::f_clientside_unread);
}
void HistoryItem::destroyUnreadBar() {
if (Has<HistoryMessageUnreadBar>()) {
RemoveComponents(HistoryMessageUnreadBar::Bit());
setPendingInitDimensions();
if (_history->unreadBar == this) {
_history->unreadBar = nullptr;
}
recountAttachToPrevious();
}
}
void HistoryItem::setUnreadBarCount(int count) {
if (count > 0) {
HistoryMessageUnreadBar *bar;
if (!Has<HistoryMessageUnreadBar>()) {
AddComponents(HistoryMessageUnreadBar::Bit());
setPendingInitDimensions();
recountAttachToPrevious();
bar = Get<HistoryMessageUnreadBar>();
} else {
bar = Get<HistoryMessageUnreadBar>();
if (bar->_freezed) {
return;
}
Global::RefPendingRepaintItems().insert(this);
}
bar->init(count);
} else {
destroyUnreadBar();
}
}
void HistoryItem::setUnreadBarFreezed() {
if (auto bar = Get<HistoryMessageUnreadBar>()) {
bar->_freezed = true;
}
}
void HistoryItem::clipCallback(Media::Clip::Notification notification) {
using namespace Media::Clip;
HistoryMedia *media = getMedia();
if (!media) return;
Reader *reader = media ? media->getClipReader() : 0;
if (!reader) return;
switch (notification) {
case NotificationReinit: {
bool stopped = false;
if (reader->autoPausedGif()) {
if (MainWidget *m = App::main()) {
if (!m->isItemVisible(this)) { // stop animation if it is not visible
media->stopInline();
if (DocumentData *document = media->getDocument()) { // forget data from memory
document->forget();
}
stopped = true;
}
}
}
if (!stopped) {
setPendingInitDimensions();
Notify::historyItemLayoutChanged(this);
}
} break;
case NotificationRepaint: {
if (!reader->currentDisplayed()) {
Ui::repaintHistoryItem(this);
}
} break;
}
}
void HistoryItem::recountDisplayDate() {
bool displayingDate = ([this]() {
if (isEmpty()) return false;
if (auto previous = previousItem()) {
return previous->isEmpty() || (previous->date.date() != date.date());
}
return true;
})();
if (displayingDate && !Has<HistoryMessageDate>()) {
AddComponents(HistoryMessageDate::Bit());
Get<HistoryMessageDate>()->init(date);
setPendingInitDimensions();
} else if (!displayingDate && Has<HistoryMessageDate>()) {
RemoveComponents(HistoryMessageDate::Bit());
setPendingInitDimensions();
}
}
QString HistoryItem::notificationText() const {
auto getText = [this]() {
if (emptyText()) {
return _media ? _media->notificationText() : QString();
}
return _text.originalText();
};
auto result = getText();
if (result.size() > 0xFF) result = result.mid(0, 0xFF) + qsl("...");
return result;
}
QString HistoryItem::inDialogsText() const {
auto getText = [this]() {
if (emptyText()) {
return _media ? _media->inDialogsText() : QString();
}
return textClean(_text.originalText());
};
auto plainText = getText();
if ((!_history->peer->isUser() || out()) && !isPost() && !isEmpty()) {
auto fromText = author()->isSelf() ? lang(lng_from_you) : author()->shortName();
auto fromWrapped = textcmdLink(1, lng_dialogs_text_from_wrapped(lt_from, textClean(fromText)));
return lng_dialogs_text_with_from(lt_from_part, fromWrapped, lt_message, plainText);
}
return plainText;
}
void HistoryItem::drawInDialog(Painter &p, const QRect &r, bool act, const HistoryItem *&cacheFor, Text &cache) const {
if (cacheFor != this) {
cacheFor = this;
cache.setText(st::dialogsTextFont, inDialogsText(), _textDlgOptions);
}
if (r.width()) {
textstyleSet(&(act ? st::dialogsTextStyleActive : st::dialogsTextStyle));
p.setFont(st::dialogsTextFont);
p.setPen(act ? st::dialogsTextFgActive : st::dialogsTextFg);
cache.drawElided(p, r.left(), r.top(), r.width(), r.height() / st::dialogsTextFont->height);
textstyleRestore();
}
}
HistoryItem::~HistoryItem() {
App::historyUnregItem(this);
if (id < 0 && App::uploader()) {
App::uploader()->cancel(fullId());
}
}
void GoToMessageClickHandler::onClickImpl() const {
if (App::main()) {
HistoryItem *current = App::mousedItem();
if (current && current->history()->peer->id == peer()) {
App::main()->pushReplyReturn(current);
}
Ui::showPeerHistory(peer(), msgid(), Ui::ShowWay::Forward);
}
}