download_destination_observer.h | Explore in Territory

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_DOWNLOAD_PUBLIC_COMMON_DOWNLOAD_DESTINATION_OBSERVER_H_
#define COMPONENTS_DOWNLOAD_PUBLIC_COMMON_DOWNLOAD_DESTINATION_OBSERVER_H_

#include <stdint.h>

#include <memory>

#include "components/download/public/common/download_export.h"
#include "components/download/public/common/download_interrupt_reasons.h"
#include "components/download/public/common/download_item.h"
#include "crypto/secure_hash.h"

namespace download {

// Class that receives asynchronous events from a DownloadDestination about
// downloading progress and completion.  These should report status when the
// data arrives at its final location; i.e. DestinationUpdate should be
// called after the destination is finished with whatever operation it
// is doing on the data described by |bytes_so_far| and DestinationCompleted
// should only be called once that is true for all data.
//
// All methods are invoked on the same thread the observer was created.
//
// Note that this interface does not deal with cross-thread lifetime issues.
class COMPONENTS_DOWNLOAD_EXPORT DownloadDestinationObserver { … };

}  // namespace download

#endif  // COMPONENTS_DOWNLOAD_PUBLIC_COMMON_DOWNLOAD_DESTINATION_OBSERVER_H_
chromium/components/download/public/common/download_destination_observer.h
