hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef MOJO_PUBLIC_CPP_SYSTEM_DATA_PIPE_DRAINER_H_
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#define MOJO_PUBLIC_CPP_SYSTEM_DATA_PIPE_DRAINER_H_
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#include <stddef.h>
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#include "base/macros.h"
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#include "base/memory/weak_ptr.h"
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#include "mojo/public/cpp/system/core.h"
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#include "mojo/public/cpp/system/simple_watcher.h"
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#include "mojo/public/cpp/system/system_export.h"
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namespace mojo {
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class MOJO_CPP_SYSTEM_EXPORT DataPipeDrainer {
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public:
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class Client {
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public:
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virtual void OnDataAvailable(const void* data, size_t num_bytes) = 0;
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virtual void OnDataComplete() = 0;
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protected:
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virtual ~Client() {}
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};
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DataPipeDrainer(Client*, mojo::ScopedDataPipeConsumerHandle source);
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~DataPipeDrainer();
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private:
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void ReadData();
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void WaitComplete(MojoResult result);
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Client* client_;
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mojo::ScopedDataPipeConsumerHandle source_;
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mojo::SimpleWatcher handle_watcher_;
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base::WeakPtrFactory<DataPipeDrainer> weak_factory_;
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DISALLOW_COPY_AND_ASSIGN(DataPipeDrainer);
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};
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} // namespace mojo
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#endif // MOJO_PUBLIC_CPP_SYSTEM_DATA_PIPE_DRAINER_H_
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