tdesktop/Telegram/SourceFiles/calls/calls_call.h

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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
*/
#pragma once
#include "base/weak_ptr.h"
#include "base/timer.h"
#include "base/bytes.h"
#include "mtproto/sender.h"
#include "mtproto/auth_key.h"
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namespace Media {
namespace Audio {
class Track;
} // namespace Audio
} // namespace Media
namespace tgvoip {
class VoIPController;
} // namespace tgvoip
namespace Calls {
struct DhConfig {
int32 version = 0;
int32 g = 0;
bytes::vector p;
};
class Call : public base::has_weak_ptr, private MTP::Sender {
public:
class Delegate {
public:
virtual DhConfig getDhConfig() const = 0;
virtual void callFinished(not_null<Call*> call) = 0;
virtual void callFailed(not_null<Call*> call) = 0;
virtual void callRedial(not_null<Call*> call) = 0;
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enum class Sound {
Connecting,
Busy,
Ended,
};
virtual void playSound(Sound sound) = 0;
};
static constexpr auto kSoundSampleMs = 100;
enum class Type {
Incoming,
Outgoing,
};
Call(not_null<Delegate*> delegate, not_null<UserData*> user, Type type);
Type type() const {
return _type;
}
not_null<UserData*> user() const {
return _user;
}
bool isIncomingWaiting() const;
void start(bytes::const_span random);
bool handleUpdate(const MTPPhoneCall &call);
enum State {
Starting,
WaitingInit,
WaitingInitAck,
Established,
FailedHangingUp,
Failed,
HangingUp,
Ended,
EndedByOtherDevice,
ExchangingKeys,
Waiting,
Requesting,
WaitingIncoming,
Ringing,
Busy,
};
State state() const {
return _state;
}
base::Observable<State> &stateChanged() {
return _stateChanged;
}
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static constexpr auto kSignalBarStarting = -1;
static constexpr auto kSignalBarFinished = -2;
static constexpr auto kSignalBarCount = 4;
base::Observable<int> &signalBarCountChanged() {
return _signalBarCountChanged;
}
void setMute(bool mute);
bool isMute() const {
return _mute;
}
base::Observable<bool> &muteChanged() {
return _muteChanged;
}
TimeMs getDurationMs() const;
float64 getWaitingSoundPeakValue() const;
void answer();
void hangup();
void redial();
bool isKeyShaForFingerprintReady() const;
bytes::vector getKeyShaForFingerprint() const;
QString getDebugLog() const;
~Call();
private:
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class ControllerPointer {
public:
void create();
void reset();
bool empty() const;
bool operator==(std::nullptr_t) const;
explicit operator bool() const;
tgvoip::VoIPController *operator->() const;
tgvoip::VoIPController &operator*() const;
~ControllerPointer();
private:
std::unique_ptr<tgvoip::VoIPController> _data;
};
enum class FinishType {
None,
Ended,
Failed,
};
void handleRequestError(const RPCError &error);
void handleControllerError(int error);
void finish(FinishType type, const MTPPhoneCallDiscardReason &reason = MTP_phoneCallDiscardReasonDisconnect());
void startOutgoing();
void startIncoming();
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void startWaitingTrack();
void generateModExpFirst(bytes::const_span randomSeed);
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void handleControllerStateChange(
tgvoip::VoIPController *controller,
int state);
void handleControllerBarCountChange(
tgvoip::VoIPController *controller,
int count);
void createAndStartController(const MTPDphoneCall &call);
template <typename T>
bool checkCallCommonFields(const T &call);
bool checkCallFields(const MTPDphoneCall &call);
bool checkCallFields(const MTPDphoneCallAccepted &call);
void confirmAcceptedCall(const MTPDphoneCallAccepted &call);
void startConfirmedCall(const MTPDphoneCall &call);
void setState(State state);
void setStateQueued(State state);
void setFailedQueued(int error);
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void setSignalBarCount(int count);
void destroyController();
not_null<Delegate*> _delegate;
not_null<UserData*> _user;
Type _type = Type::Outgoing;
State _state = State::Starting;
FinishType _finishAfterRequestingCall = FinishType::None;
bool _answerAfterDhConfigReceived = false;
base::Observable<State> _stateChanged;
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int _signalBarCount = kSignalBarStarting;
base::Observable<int> _signalBarCountChanged;
TimeMs _startTime = 0;
base::DelayedCallTimer _finishByTimeoutTimer;
base::Timer _discardByTimeoutTimer;
bool _mute = false;
base::Observable<bool> _muteChanged;
DhConfig _dhConfig;
bytes::vector _ga;
bytes::vector _gb;
bytes::vector _gaHash;
bytes::vector _randomPower;
MTP::AuthKey::Data _authKey;
MTPPhoneCallProtocol _protocol;
uint64 _id = 0;
uint64 _accessHash = 0;
uint64 _keyFingerprint = 0;
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ControllerPointer _controller;
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std::unique_ptr<Media::Audio::Track> _waitingTrack;
};
void UpdateConfig(const std::map<std::string, std::string> &data);
} // namespace Calls