345 lines
9.0 KiB
C++
345 lines
9.0 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "history/view/history_view_emoji_interactions.h"
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#include "history/view/history_view_element.h"
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#include "history/view/media/history_view_sticker.h"
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#include "history/history.h"
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#include "chat_helpers/stickers_emoji_pack.h"
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#include "chat_helpers/emoji_interactions.h"
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#include "chat_helpers/stickers_lottie.h"
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#include "main/main_session.h"
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#include "data/data_session.h"
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#include "data/data_document.h"
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#include "data/data_document_media.h"
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#include "lottie/lottie_common.h"
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#include "lottie/lottie_single_player.h"
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#include "base/random.h"
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#include "styles/style_chat.h"
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namespace HistoryView {
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namespace {
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constexpr auto kPremiumShift = 0.082;
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constexpr auto kMaxPlays = 5;
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constexpr auto kMaxPlaysWithSmallDelay = 3;
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constexpr auto kSmallDelay = crl::time(200);
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constexpr auto kDropDelayedAfterDelay = crl::time(2000);
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[[nodiscard]] QPoint GenerateRandomShift(QSize emoji) {
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// Random shift in [-0.08 ... 0.08] of animated emoji size.
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const auto maxShift = emoji * 2 / 25;
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return {
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base::RandomIndex(maxShift.width() * 2 + 1) - maxShift.width(),
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base::RandomIndex(maxShift.height() * 2 + 1) - maxShift.height(),
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};
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}
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} // namespace
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EmojiInteractions::EmojiInteractions(
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not_null<Main::Session*> session,
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Fn<int(not_null<const Element*>)> itemTop)
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: _session(session)
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, _itemTop(std::move(itemTop)) {
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_session->data().viewRemoved(
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) | rpl::filter([=] {
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return !_plays.empty() || !_delayed.empty();
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}) | rpl::start_with_next([=](not_null<const Element*> view) {
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_plays.erase(ranges::remove(_plays, view, &Play::view), end(_plays));
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_delayed.erase(
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ranges::remove(_delayed, view, &Delayed::view),
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end(_delayed));
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}, _lifetime);
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}
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EmojiInteractions::~EmojiInteractions() {
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//for (const auto &play : _plays) {
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// if (play.premium) {
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// play.view->externalLottieProgressing(false);
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// }
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//}
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}
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void EmojiInteractions::play(
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ChatHelpers::EmojiInteractionPlayRequest request,
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not_null<Element*> view) {
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if (!view->media()) {
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// Large emoji may be disabled.
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return;
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} else if (_plays.empty()) {
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play(
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std::move(request.emoticon),
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view,
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std::move(request.media),
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request.incoming);
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} else {
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const auto now = crl::now();
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_delayed.push_back({
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request.emoticon,
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view,
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std::move(request.media),
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now,
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request.incoming,
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});
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checkDelayed();
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}
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}
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void EmojiInteractions::playPremiumEffect(
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not_null<const Element*> view,
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Element *replacing) {
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if (replacing) {
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const auto i = ranges::find(_plays, replacing, &Play::view);
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if (i != end(_plays)) {
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//if (i->premium) {
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// replacing->externalLottieProgressing(false);
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//}
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i->view = view;
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//if (i->premium) {
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// view->externalLottieProgressing(true);
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//}
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return;
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}
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}
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if (const auto media = view->media()) {
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if (const auto document = media->getDocument()) {
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if (document->isPremiumSticker()) {
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play(
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QString(),
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view,
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document,
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document->createMediaView()->videoThumbnailContent(),
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QString(),
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false,
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true);
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}
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}
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}
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}
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void EmojiInteractions::cancelPremiumEffect(not_null<const Element*> view) {
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_plays.erase(ranges::remove_if(_plays, [&](const Play &play) {
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if (play.view != view) {
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return false;
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//} else if (play.premium) {
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// play.view->externalLottieProgressing(false);
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}
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return true;
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}), end(_plays));
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}
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void EmojiInteractions::play(
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QString emoticon,
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not_null<const Element*> view,
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std::shared_ptr<Data::DocumentMedia> media,
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bool incoming) {
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play(
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std::move(emoticon),
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view,
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media->owner(),
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media->bytes(),
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media->owner()->filepath(),
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incoming,
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false);
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}
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void EmojiInteractions::play(
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QString emoticon,
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not_null<const Element*> view,
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not_null<DocumentData*> document,
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QByteArray data,
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QString filepath,
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bool incoming,
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bool premium) {
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const auto top = _itemTop(view);
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const auto bottom = top + view->height();
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if (_visibleTop >= bottom
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|| _visibleBottom <= top
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|| _visibleTop == _visibleBottom
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|| (data.isEmpty() && filepath.isEmpty())) {
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return;
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}
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auto lottie = document->session().emojiStickersPack().effectPlayer(
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document,
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data,
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filepath,
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premium);
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const auto inner = premium
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? HistoryView::Sticker::Size(document)
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: HistoryView::Sticker::EmojiSize();
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const auto shift = premium ? QPoint() : GenerateRandomShift(inner);
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const auto raw = lottie.get();
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lottie->updates(
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) | rpl::start_with_next([=](Lottie::Update update) {
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v::match(update.data, [&](const Lottie::Information &information) {
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}, [&](const Lottie::DisplayFrameRequest &request) {
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const auto i = ranges::find(_plays, raw, [](const Play &p) {
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return p.lottie.get();
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});
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const auto rect = computeRect(*i).translated(shift);
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if (rect.y() + rect.height() >= _visibleTop
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&& rect.y() <= _visibleBottom) {
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_updateRequests.fire_copy(rect);
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}
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});
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}, lottie->lifetime());
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//if (premium) {
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// view->externalLottieProgressing(true);
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//}
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_plays.push_back({
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.view = view,
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.lottie = std::move(lottie),
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.shift = shift,
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.inner = inner,
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.outer = (premium
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? HistoryView::Sticker::PremiumEffectSize(document)
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: HistoryView::Sticker::EmojiEffectSize()),
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.premium = premium,
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});
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if (incoming) {
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_playStarted.fire(std::move(emoticon));
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}
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if (const auto media = view->media()) {
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if (!premium) {
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media->stickerClearLoopPlayed();
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}
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}
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}
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void EmojiInteractions::visibleAreaUpdated(
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int visibleTop,
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int visibleBottom) {
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_visibleTop = visibleTop;
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_visibleBottom = visibleBottom;
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}
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QRect EmojiInteractions::computeRect(const Play &play) const {
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const auto view = play.view;
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const auto fullWidth = view->width();
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const auto sticker = play.inner;
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const auto size = play.outer;
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const auto shift = play.premium
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? int(sticker.width() * kPremiumShift)
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: (size.width() / 40);
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const auto inner = view->innerGeometry();
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const auto rightAligned = view->hasOutLayout()
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&& !view->delegate()->elementIsChatWide();
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const auto left = rightAligned
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? (inner.x() + inner.width() + shift - size.width())
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: (inner.x() - shift);
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const auto viewTop = _itemTop(view) + inner.y();
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if (viewTop < 0) {
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return QRect();
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}
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const auto top = viewTop + (sticker.height() - size.height()) / 2;
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return QRect(QPoint(left, top), size).translated(play.shift);
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}
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void EmojiInteractions::paint(QPainter &p) {
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const auto factor = style::DevicePixelRatio();
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for (auto &play : _plays) {
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if (!play.lottie->ready()) {
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continue;
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}
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auto request = Lottie::FrameRequest();
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request.box = play.outer * factor;
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const auto rightAligned = play.view->hasOutLayout()
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&& !play.view->delegate()->elementIsChatWide();
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if (!rightAligned) {
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request.mirrorHorizontal = true;
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}
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const auto frame = play.lottie->frameInfo(request);
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play.frame = frame.index;
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if (!play.framesCount) {
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const auto &information = play.lottie->information();
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play.framesCount = information.framesCount;
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play.frameRate = information.frameRate;
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}
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const auto rect = computeRect(play);
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if (play.started && !play.frame) {
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play.finished = true;
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_updateRequests.fire_copy(rect);
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continue;
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} else if (play.frame > 0) {
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play.started = true;
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}
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p.drawImage(
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QRect(rect.topLeft(), frame.image.size() / factor),
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frame.image);
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//const auto info = HistoryView::ExternalLottieInfo{
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// .frame = frame.index,
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// .count = play.framesCount,
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//};
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//if (!play.premium || play.view->externalLottieTill(info)) {
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play.lottie->markFrameShown();
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//}
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}
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_plays.erase(ranges::remove_if(_plays, [](const Play &play) {
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if (!play.finished) {
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return false;
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//} else if (play.premium) {
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// play.view->externalLottieProgressing(false);
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}
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return true;
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}), end(_plays));
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checkDelayed();
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}
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void EmojiInteractions::checkDelayed() {
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if (_delayed.empty() || _plays.size() >= kMaxPlays) {
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return;
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}
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auto withTooLittleDelay = false;
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auto withHalfPlayed = false;
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for (const auto &play : _plays) {
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if (!play.framesCount
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|| !play.frameRate
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|| !play.frame
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|| (play.frame * crl::time(1000)
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< kSmallDelay * play.frameRate)) {
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withTooLittleDelay = true;
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break;
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} else if (play.frame * 2 > play.framesCount) {
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withHalfPlayed = true;
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}
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}
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if (withTooLittleDelay) {
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return;
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} else if (_plays.size() >= kMaxPlaysWithSmallDelay && !withHalfPlayed) {
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return;
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}
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const auto now = crl::now();
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const auto i = ranges::find_if(_delayed, [&](const Delayed &delayed) {
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return (delayed.shouldHaveStartedAt + kDropDelayedAfterDelay > now);
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});
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if (i == end(_delayed)) {
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_delayed.clear();
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return;
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}
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auto good = std::move(*i);
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_delayed.erase(begin(_delayed), i + 1);
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play(
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std::move(good.emoticon),
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good.view,
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std::move(good.media),
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good.incoming);
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}
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rpl::producer<QRect> EmojiInteractions::updateRequests() const {
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return _updateRequests.events();
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}
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rpl::producer<QString> EmojiInteractions::playStarted() const {
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return _playStarted.events();
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}
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} // namespace HistoryView
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