tdesktop/Telegram/SourceFiles/info/info_controller.cpp

334 lines
8.6 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 "info/info_controller.h"
#include <rpl/range.h>
#include <rpl/then.h>
#include "ui/search_field_controller.h"
#include "data/data_shared_media.h"
#include "info/info_content_widget.h"
#include "info/info_memento.h"
#include "info/media/info_media_widget.h"
#include "data/data_changes.h"
#include "data/data_peer.h"
#include "data/data_channel.h"
#include "data/data_chat.h"
#include "data/data_session.h"
#include "data/data_media_types.h"
#include "history/history_item.h"
#include "main/main_session.h"
#include "window/window_session_controller.h"
namespace Info {
Key::Key(not_null<PeerData*> peer) : _value(peer) {
}
Key::Key(Settings::Tag settings) : _value(settings) {
}
Key::Key(not_null<PollData*> poll, FullMsgId contextId)
: _value(PollKey{ poll, contextId }) {
}
PeerData *Key::peer() const {
if (const auto peer = std::get_if<not_null<PeerData*>>(&_value)) {
return *peer;
}
return nullptr;
}
UserData *Key::settingsSelf() const {
if (const auto tag = std::get_if<Settings::Tag>(&_value)) {
return tag->self;
}
return nullptr;
}
PollData *Key::poll() const {
if (const auto data = std::get_if<PollKey>(&_value)) {
return data->poll;
}
return nullptr;
}
FullMsgId Key::pollContextId() const {
if (const auto data = std::get_if<PollKey>(&_value)) {
return data->contextId;
}
return FullMsgId();
}
rpl::producer<SparseIdsMergedSlice> AbstractController::mediaSource(
SparseIdsMergedSlice::UniversalMsgId aroundId,
int limitBefore,
int limitAfter) const {
Expects(peer() != nullptr);
const auto isScheduled = [&] {
const auto channelId = peerToChannel(peer()->id);
if (const auto item = session().data().message(channelId, aroundId)) {
return item->isScheduled();
}
return false;
}();
auto mediaViewer = isScheduled
? SharedScheduledMediaViewer
: SharedMediaMergedViewer;
return mediaViewer(
&session(),
SharedMediaMergedKey(
SparseIdsMergedSlice::Key(
peer()->id,
migratedPeerId(),
aroundId),
section().mediaType()),
limitBefore,
limitAfter);
}
rpl::producer<QString> AbstractController::mediaSourceQueryValue() const {
return rpl::single(QString());
}
AbstractController::AbstractController(
not_null<Window::SessionController*> parent)
: SessionNavigation(&parent->session())
, _parent(parent) {
}
PeerData *AbstractController::peer() const {
return key().peer();
}
PeerId AbstractController::migratedPeerId() const {
if (const auto peer = migrated()) {
return peer->id;
}
return PeerId(0);
}
PollData *AbstractController::poll() const {
if (const auto item = session().data().message(pollContextId())) {
if (const auto media = item->media()) {
return media->poll();
}
}
return nullptr;
}
void AbstractController::showSection(
std::shared_ptr<Window::SectionMemento> memento,
const Window::SectionShow &params) {
return parentController()->showSection(std::move(memento), params);
}
void AbstractController::showBackFromStack(
const Window::SectionShow &params) {
return parentController()->showBackFromStack(params);
}
void AbstractController::showPeerHistory(
PeerId peerId,
const Window::SectionShow &params,
MsgId msgId) {
return parentController()->showPeerHistory(peerId, params, msgId);
}
Controller::Controller(
not_null<WrapWidget*> widget,
not_null<Window::SessionController*> window,
not_null<ContentMemento*> memento)
: AbstractController(window)
, _widget(widget)
, _key(memento->key())
, _migrated(memento->migratedPeerId()
? window->session().data().peer(memento->migratedPeerId()).get()
: nullptr)
, _section(memento->section()) {
updateSearchControllers(memento);
setupMigrationViewer();
}
void Controller::setupMigrationViewer() {
const auto peer = _key.peer();
if (!peer || (!peer->isChat() && !peer->isChannel()) || _migrated) {
return;
}
peer->session().changes().peerFlagsValue(
peer,
Data::PeerUpdate::Flag::Migration
) | rpl::filter([=] {
return peer->migrateTo() || (peer->migrateFrom() != _migrated);
}) | rpl::start_with_next([=] {
const auto window = parentController();
const auto section = _section;
InvokeQueued(_widget, [=] {
window->showSection(
std::make_shared<Memento>(peer, section),
Window::SectionShow(
Window::SectionShow::Way::Backward,
anim::type::instant,
anim::activation::background));
});
}, lifetime());
}
Wrap Controller::wrap() const {
return _widget->wrap();
}
rpl::producer<Wrap> Controller::wrapValue() const {
return _widget->wrapValue();
}
bool Controller::validateMementoPeer(
not_null<ContentMemento*> memento) const {
return memento->peer() == peer()
&& memento->migratedPeerId() == migratedPeerId()
&& memento->settingsSelf() == settingsSelf();
}
void Controller::setSection(not_null<ContentMemento*> memento) {
_section = memento->section();
updateSearchControllers(memento);
}
void Controller::updateSearchControllers(
not_null<ContentMemento*> memento) {
using Type = Section::Type;
auto type = _section.type();
auto isMedia = (type == Type::Media);
auto mediaType = isMedia
? _section.mediaType()
: Section::MediaType::kCount;
auto hasMediaSearch = isMedia
&& SharedMediaAllowSearch(mediaType);
auto hasCommonGroupsSearch
= (type == Type::CommonGroups);
auto hasMembersSearch = (type == Type::Members || type == Type::Profile);
auto searchQuery = memento->searchFieldQuery();
if (isMedia) {
_searchController
= std::make_unique<Api::DelayedSearchController>(&session());
auto mediaMemento = dynamic_cast<Media::Memento*>(memento.get());
Assert(mediaMemento != nullptr);
_searchController->restoreState(
mediaMemento->searchState());
} else {
_searchController = nullptr;
}
if (hasMediaSearch || hasCommonGroupsSearch || hasMembersSearch) {
_searchFieldController
= std::make_unique<Ui::SearchFieldController>(
searchQuery);
if (_searchController) {
_searchFieldController->queryValue(
) | rpl::start_with_next([=](QString &&query) {
_searchController->setQuery(
produceSearchQuery(std::move(query)));
}, _searchFieldController->lifetime());
}
_seachEnabledByContent = memento->searchEnabledByContent();
_searchStartsFocused = memento->searchStartsFocused();
} else {
_searchFieldController = nullptr;
}
}
void Controller::saveSearchState(not_null<ContentMemento*> memento) {
if (_searchFieldController) {
memento->setSearchFieldQuery(
_searchFieldController->query());
memento->setSearchEnabledByContent(
_seachEnabledByContent.current());
}
if (_searchController) {
auto mediaMemento = dynamic_cast<Media::Memento*>(
memento.get());
Assert(mediaMemento != nullptr);
mediaMemento->setSearchState(_searchController->saveState());
}
}
void Controller::showSection(
std::shared_ptr<Window::SectionMemento> memento,
const Window::SectionShow &params) {
if (!_widget->showInternal(memento.get(), params)) {
AbstractController::showSection(std::move(memento), params);
}
}
void Controller::showBackFromStack(const Window::SectionShow &params) {
if (!_widget->showBackFromStackInternal(params)) {
AbstractController::showBackFromStack(params);
}
}
auto Controller::produceSearchQuery(
const QString &query) const -> SearchQuery {
Expects(_key.peer() != nullptr);
auto result = SearchQuery();
result.type = _section.mediaType();
result.peerId = _key.peer()->id;
result.query = query;
result.migratedPeerId = _migrated ? _migrated->id : PeerId(0);
return result;
}
rpl::producer<bool> Controller::searchEnabledByContent() const {
return _seachEnabledByContent.value();
}
rpl::producer<QString> Controller::mediaSourceQueryValue() const {
return _searchController->currentQueryValue();
}
rpl::producer<SparseIdsMergedSlice> Controller::mediaSource(
SparseIdsMergedSlice::UniversalMsgId aroundId,
int limitBefore,
int limitAfter) const {
auto query = _searchController->currentQuery();
if (!query.query.isEmpty()) {
return _searchController->idsSlice(
aroundId,
limitBefore,
limitAfter);
}
return SharedMediaMergedViewer(
&session(),
SharedMediaMergedKey(
SparseIdsMergedSlice::Key(
query.peerId,
query.migratedPeerId,
aroundId),
query.type),
limitBefore,
limitAfter);
}
void Controller::setCanSaveChanges(rpl::producer<bool> can) {
_canSaveChanges = std::move(can);
}
rpl::producer<bool> Controller::canSaveChanges() const {
return _canSaveChanges.value();
}
bool Controller::canSaveChangesNow() const {
return _canSaveChanges.current();
}
Controller::~Controller() = default;
} // namespace Info