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78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/Function.h>
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#include <LibCore/Object.h>
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namespace Core {
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class NetworkJob : public Object {
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C_OBJECT_ABSTRACT(NetworkJob)
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public:
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enum class Error {
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None,
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ConnectionFailed,
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TransmissionFailed,
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ProtocolFailed,
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Cancelled,
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};
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virtual ~NetworkJob() override;
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Function<void(bool success)> on_finish;
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Function<void(Optional<u32>, u32)> on_progress;
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bool is_cancelled() const { return m_error == Error::Cancelled; }
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bool has_error() const { return m_error != Error::None; }
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Error error() const { return m_error; }
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NetworkResponse* response() { return m_response.ptr(); }
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const NetworkResponse* response() const { return m_response.ptr(); }
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virtual void start() = 0;
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virtual void shutdown() = 0;
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void cancel()
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{
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shutdown();
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m_error = Error::Cancelled;
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}
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protected:
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NetworkJob();
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void did_finish(NonnullRefPtr<NetworkResponse>&&);
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void did_fail(Error);
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void did_progress(Optional<u32> total_size, u32 downloaded);
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private:
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RefPtr<NetworkResponse> m_response;
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Error m_error { Error::None };
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};
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const char* to_string(NetworkJob::Error);
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}
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