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Telegram/lib_webrtc/webrtc/webrtc_device_common.h

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#pragma once
+
+#include "base/qt/qt_compare.h"
+
+#include <QString>
+
+namespace Webrtc {
+
+enum class DeviceType : uchar {
+	Playback,
+	Capture,
+	Camera,
+};
+
+enum class DeviceStateChange : uchar {
+	Active,
+	Inactive,
+	Disconnected,
+};
+
+enum class DeviceChangeReason : uchar {
+	Manual,
+	Connected,
+	Disconnected,
+};
+
+struct DeviceInfo {
+	QString id;
+	QString name;
+	DeviceType type = DeviceType::Playback;
+	bool inactive = false;
+
+	explicit operator bool() const {
+		return !id.isEmpty();
+	}
+	friend inline bool operator==(
+		const DeviceInfo &a,
+		const DeviceInfo &b) = default;
+};
+
+struct DeviceChange {
+	QString wasId;
+	QString nowId;
+	DeviceChangeReason reason = DeviceChangeReason::Manual;
+
+	explicit operator bool() const {
+		return wasId != nowId;
+	}
+	friend inline bool operator==(
+		const DeviceChange &a,
+		const DeviceChange &b) = default;
+};
+
+struct DevicesChange {
+	DeviceChange defaultChange;
+	std::vector<DeviceInfo> nowList;
+};
+
+inline QString kDefaultDeviceId = u"default"_q;
+
+struct DeviceResolvedId {
+	QString value;
+	DeviceType type = DeviceType::Playback;
+	bool computedFromDefault = false;
+
+	[[nodiscard]] bool isDefault() const {
+		return computedFromDefault
+			|| value.isEmpty()
+			|| value == kDefaultDeviceId;
+	}
+
+	friend inline auto operator<=>(
+		const DeviceResolvedId &a,
+		const DeviceResolvedId &b) = default;
+	friend inline bool operator==(
+		const DeviceResolvedId &a,
+		const DeviceResolvedId &b) = default;
+};
+
+class CaptureMuteTracker {
+public:
+	virtual void captureMuteChanged(bool muted) = 0;
+	[[nodiscard]] virtual auto captureMuteDeviceId()
+		-> rpl::producer<DeviceResolvedId> = 0;
+};
+
+enum class RecordAvailability : uchar {
+	None,
+	Audio,
+	VideoAndAudio,
+};
+
+} // namespace Webrtc