tdesktop/Telegram/SourceFiles/calls/calls_instance.cpp at dev · 0Knowledge/tdesktop · GitHub

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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 "calls/calls_instance.h"

#include "mtproto/connection.h"

#include "core/application.h"

#include "auth_session.h"

#include "apiwrap.h"

#include "lang/lang_keys.h"

#include "boxes/confirm_box.h"

#include "calls/calls_call.h"

#include "calls/calls_panel.h"

#include "data/data_user.h"

#include "data/data_session.h"

#include "media/audio/media_audio_track.h"

#include "platform/platform_specific.h"

#include "mainwidget.h"

#include "boxes/rate_call_box.h"

namespace Calls {

namespace {

constexpr auto kServerConfigUpdateTimeoutMs = 24 * 3600 * TimeMs(1000);

} // namespace

Instance::Instance() = default;

void Instance::startOutgoingCall(not_null<UserData*> user) {

if (alreadyInCall()) { // Already in a call.

_currentCallPanel->showAndActivate();

return;

}

if (user->callsStatus() == UserData::CallsStatus::Private) {

// Request full user once more to refresh the setting in case it was changed.

Auth().api().requestFullPeer(user);

Ui::show(Box<InformBox>(lng_call_error_not_available(lt_user, App::peerName(user))));

return;

}

requestMicrophonePermissionOrFail(crl::guard(this, [=] {

createCall(user, Call::Type::Outgoing);

}));

}

void Instance::callFinished(not_null<Call*> call) {

destroyCall(call);

}

void Instance::callFailed(not_null<Call*> call) {

destroyCall(call);

}

void Instance::callRedial(not_null<Call*> call) {

if (_currentCall.get() == call) {

refreshDhConfig();

}

void Instance::playSound(Sound sound) {

switch (sound) {

case Sound::Busy: {

if (!_callBusyTrack) {

_callBusyTrack = Media::Audio::Current().createTrack();

_callBusyTrack->fillFromFile(

Auth().settings().getSoundPath(qsl("call_busy")));

}

_callBusyTrack->playOnce();

} break;

case Sound::Ended: {

if (!_callEndedTrack) {

_callEndedTrack = Media::Audio::Current().createTrack();

_callEndedTrack->fillFromFile(

Auth().settings().getSoundPath(qsl("call_end")));

}

_callEndedTrack->playOnce();

} break;

case Sound::Connecting: {

if (!_callConnectingTrack) {

_callConnectingTrack = Media::Audio::Current().createTrack();

_callConnectingTrack->fillFromFile(

Auth().settings().getSoundPath(qsl("call_connect")));

}

_callConnectingTrack->playOnce();

} break;

}

void Instance::destroyCall(not_null<Call*> call) {

if (_currentCall.get() == call) {

destroyCurrentPanel();

_currentCall.reset();

_currentCallChanged.notify(nullptr, true);

if (App::quitting()) {

LOG(("Calls::Instance doesn't prevent quit any more."));

}

Core::App().quitPreventFinished();

}

void Instance::destroyCurrentPanel() {

_pendingPanels.erase(std::remove_if(_pendingPanels.begin(), _pendingPanels.end(), [](auto &&panel) {

return !panel;

}), _pendingPanels.end());

_pendingPanels.push_back(_currentCallPanel.release());

_pendingPanels.back()->hideAndDestroy(); // Always queues the destruction.

}

void Instance::createCall(not_null<UserData*> user, Call::Type type) {

auto call = std::make_unique<Call>(getCallDelegate(), user, type);;

if (_currentCall) {

_currentCallPanel->replaceCall(call.get());

std::swap(_currentCall, call);

call->hangup();

} else {

_currentCallPanel = std::make_unique<Panel>(call.get());

_currentCall = std::move(call);

}

_currentCallChanged.notify(_currentCall.get(), true);

refreshServerConfig();

refreshDhConfig();

}

void Instance::refreshDhConfig() {

Expects(_currentCall != nullptr);

request(MTPmessages_GetDhConfig(

MTP_int(_dhConfig.version),

MTP_int(MTP::ModExpFirst::kRandomPowerSize)

)).done([this, call = base::make_weak(_currentCall)](

const MTPmessages_DhConfig &result) {

auto random = bytes::const_span();

switch (result.type()) {

case mtpc_messages_dhConfig: {

auto &config = result.c_messages_dhConfig();

if (!MTP::IsPrimeAndGood(bytes::make_span(config.vp.v), config.vg.v)) {

LOG(("API Error: bad p/g received in dhConfig."));

callFailed(call.get());

return;

}

_dhConfig.g = config.vg.v;

_dhConfig.p = bytes::make_vector(config.vp.v);

random = bytes::make_span(config.vrandom.v);

} break;

case mtpc_messages_dhConfigNotModified: {

auto &config = result.c_messages_dhConfigNotModified();

random = bytes::make_span(config.vrandom.v);

if (!_dhConfig.g || _dhConfig.p.empty()) {

LOG(("API Error: dhConfigNotModified on zero version."));

callFailed(call.get());

return;

}

} break;

default: Unexpected("Type in messages.getDhConfig");

}

if (random.size() != MTP::ModExpFirst::kRandomPowerSize) {

LOG(("API Error: dhConfig random bytes wrong size: %1").arg(random.size()));

callFailed(call.get());

return;

}

if (call) {

call->start(random);

}

}).fail([this, call = base::make_weak(_currentCall)](

const RPCError &error) {

if (!call) {

DEBUG_LOG(("API Warning: call was destroyed before got dhConfig."));

return;

}

callFailed(call.get());

}).send();

}

void Instance::refreshServerConfig() {

if (_serverConfigRequestId) {

return;

}

if (_lastServerConfigUpdateTime && (getms(true) - _lastServerConfigUpdateTime) < kServerConfigUpdateTimeoutMs) {

return;

}

_serverConfigRequestId = request(MTPphone_GetCallConfig()).done([this](const MTPDataJSON &result) {

_serverConfigRequestId = 0;

_lastServerConfigUpdateTime = getms(true);

const auto &json = result.c_dataJSON().vdata.v;

UpdateConfig(std::string(json.data(), json.size()));

}).fail([this](const RPCError &error) {

_serverConfigRequestId = 0;

}).send();

}

void Instance::handleUpdate(const MTPDupdatePhoneCall& update) {

handleCallUpdate(update.vphone_call);

}

void Instance::showInfoPanel(not_null<Call*> call) {

if (_currentCall.get() == call) {

_currentCallPanel->showAndActivate();

}

bool Instance::isQuitPrevent() {

if (!_currentCall || _currentCall->isIncomingWaiting()) {

return false;

}

_currentCall->hangup();

if (!_currentCall) {

return false;

}

LOG(("Calls::Instance prevents quit, saving drafts..."));

return true;

}

void Instance::handleCallUpdate(const MTPPhoneCall &call) {

if (call.type() == mtpc_phoneCallRequested) {

auto &phoneCall = call.c_phoneCallRequested();

auto user = Auth().data().userLoaded(phoneCall.vadmin_id.v);

if (!user) {

LOG(("API Error: User not loaded for phoneCallRequested."));

} else if (user->isSelf()) {

LOG(("API Error: Self found in phoneCallRequested."));

}

if (alreadyInCall() || !user || user->isSelf()) {

request(MTPphone_DiscardCall(MTP_inputPhoneCall(phoneCall.vid, phoneCall.vaccess_hash), MTP_int(0), MTP_phoneCallDiscardReasonBusy(), MTP_long(0))).send();

} else if (phoneCall.vdate.v + (Global::CallRingTimeoutMs() / 1000) < unixtime()) {

LOG(("Ignoring too old call."));

} else {

createCall(user, Call::Type::Incoming);

_currentCall->handleUpdate(call);

}

} else if (!_currentCall || !_currentCall->handleUpdate(call)) {

DEBUG_LOG(("API Warning: unexpected phone call update %1").arg(call.type()));

}

bool Instance::alreadyInCall() {

return (_currentCall && _currentCall->state() != Call::State::Busy);

}

Call *Instance::currentCall() {

return _currentCall.get();

}

void Instance::requestMicrophonePermissionOrFail(Fn<void()> onSuccess) {

Platform::PermissionStatus status=Platform::GetPermissionStatus(Platform::PermissionType::Microphone);

if (status==Platform::PermissionStatus::Granted) {

onSuccess();

} else if(status==Platform::PermissionStatus::CanRequest) {

Platform::RequestPermission(Platform::PermissionType::Microphone, crl::guard(this, [=](Platform::PermissionStatus status) {

if (status==Platform::PermissionStatus::Granted) {

crl::on_main(onSuccess);

} else {

if (_currentCall) {

_currentCall->hangup();

}

}));

} else {

if (alreadyInCall()) {

_currentCall->hangup();

}

Ui::show(Box<ConfirmBox>(lang(lng_no_mic_permission), lang(lng_menu_settings), crl::guard(this, [] {

Platform::OpenSystemSettingsForPermission(Platform::PermissionType::Microphone);

Ui::hideLayer();

})));

}

Instance::~Instance() {

for (auto panel : _pendingPanels) {

if (panel) {

delete panel;

}

Instance &Current() {

return Auth().calls();

}

} // namespace Calls

tdesktop/Telegram/SourceFiles/calls/calls_instance.cpp at dev · 0Knowledge/tdesktop · GitHub

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