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Code Issues Releases Wiki Activity

Support pre-defined channel wallpapers resolving.

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This commit is contained in:
John Preston
2023-12-16 23:52:55 +00:00
parent b6c679449e
commit cd5a6025f6
3 changed files with 57 additions and 3 deletions
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49
Telegram/SourceFiles/window/section_widget.cpp
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@@ -50,13 +50,58 @@ struct ResolvedPaper {
std::shared_ptr<Data::DocumentMedia> media;
};
[[nodiscard]] rpl::producer<std::optional<ResolvedPaper>> PeerWallPaperValue(
[[nodiscard]] rpl::producer<const Data::WallPaper*> PeerWallPaperMapped(
not_null<PeerData*> peer) {
return peer->session().changes().peerFlagsValue(
peer,
Data::PeerUpdate::Flag::ChatWallPaper
) | rpl::map([=]() -> rpl::producer<std::optional<ResolvedPaper>> {
) | rpl::map([=]() -> rpl::producer<const Data::WallPaper*> {
const auto paper = peer->wallPaper();
const auto id = paper ? paper->emojiId() : QString();
if (id.isEmpty()) {
return rpl::single(paper);
}
const auto themes = &peer->owner().cloudThemes();
auto fromThemes = [=](bool force)
-> rpl::producer<const Data::WallPaper*> {
if (themes->chatThemes().empty() && !force) {
return nullptr;
}
return Window::Theme::IsNightModeValue(
) | rpl::map([=](bool dark) -> const Data::WallPaper* {
const auto &list = themes->chatThemes();
const auto i = ranges::find(
list,
id,
&Data::CloudTheme::emoticon);
if (i != end(list)) {
using Type = Data::CloudThemeType;
const auto type = dark ? Type::Dark : Type::Light;
const auto j = i->settings.find(type);
if (j != end(i->settings) && j->second.paper) {
return &*j->second.paper;
}
}
return nullptr;
});
};
if (auto result = fromThemes(false)) {
return result;
}
themes->refreshChatThemes();
return themes->chatThemesUpdated(
) | rpl::take(1) | rpl::map([=] {
return fromThemes(true);
}) | rpl::flatten_latest();
}) | rpl::flatten_latest();
}
[[nodiscard]] rpl::producer<std::optional<ResolvedPaper>> PeerWallPaperValue(
not_null<PeerData*> peer) {
return PeerWallPaperMapped(
peer
) | rpl::map([=](const Data::WallPaper *paper)
-> rpl::producer<std::optional<ResolvedPaper>> {
const auto single = [](std::optional<ResolvedPaper> value) {
return rpl::single(std::move(value));
};