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			77 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			77 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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| 
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| #pragma once
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| 
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| #include <AK/Function.h>
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| #include <LibCore/Object.h>
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| 
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| namespace Core {
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| 
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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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| 
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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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| 
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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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| 
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|     virtual void start() = 0;
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|     virtual void shutdown() = 0;
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| 
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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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| 
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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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| 
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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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| 
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| const char* to_string(NetworkJob::Error);
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| 
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| }
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