afb81b8278
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54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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#include "base/qt/qt_compare.h"
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#include "webrtc/webrtc_device_common.h"
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#include <QtCore/QMutex>
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namespace Webrtc {
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class Environment;
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class DeviceResolver final {
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public:
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DeviceResolver(
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not_null<Environment*> environment,
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DeviceType type,
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rpl::producer<QString> savedValue);
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[[nodiscard]] DeviceResolvedId current() const;
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[[nodiscard]] rpl::producer<DeviceResolvedId> value() const;
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[[nodiscard]] rpl::producer<DeviceResolvedId> changes() const;
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[[nodiscard]] DeviceResolvedId threadSafeCurrent() const;
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[[nodiscard]] DeviceChangeReason lastChangeReason() const;
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private:
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void trackSavedId();
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const not_null<Environment*> _environment;
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QString _savedId;
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DeviceResolvedId _current;
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mutable QMutex _mutex;
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rpl::variable<DeviceResolvedId> _data;
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DeviceChangeReason _lastChangeReason = DeviceChangeReason::Manual;
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rpl::lifetime _lifetime;
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};
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[[nodiscard]] rpl::producer<QString> DeviceIdOrDefault(
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rpl::producer<QString> id);
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[[nodiscard]] rpl::producer<QString> DeviceIdValueWithFallback(
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rpl::producer<QString> id,
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rpl::producer<QString> fallback);
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} // namespace Webrtc
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