blob: 019f7577b05feeec3eb530328906577863fda205 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_IN_MEMORY_DOWNLOAD_DRIVER_H_
#define COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_IN_MEMORY_DOWNLOAD_DRIVER_H_
#include "components/download/internal/background_service/download_driver.h"
#include <map>
#include <memory>
#include "base/macros.h"
#include "components/download/internal/background_service/in_memory_download.h"
namespace download {
class InMemoryDownload;
// Factory to create in memory download object.
class InMemoryDownloadFactory : public InMemoryDownload::Factory {
public:
InMemoryDownloadFactory(
scoped_refptr<net::URLRequestContextGetter> request_context_getter,
BlobTaskProxy::BlobContextGetter blob_context_getter,
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner);
~InMemoryDownloadFactory() override;
private:
// InMemoryDownload::Factory implementation.
std::unique_ptr<InMemoryDownload> Create(
const std::string& guid,
const RequestParams& request_params,
const net::NetworkTrafficAnnotationTag& traffic_annotation,
InMemoryDownload::Delegate* delegate) override;
scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
BlobTaskProxy::BlobContextGetter blob_context_getter_;
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
DISALLOW_COPY_AND_ASSIGN(InMemoryDownloadFactory);
};
// Download backend that owns the list of in memory downloads and propagate
// notification to its client.
class InMemoryDownloadDriver : public DownloadDriver,
public InMemoryDownload::Delegate {
public:
explicit InMemoryDownloadDriver(
std::unique_ptr<InMemoryDownload::Factory> download_factory);
~InMemoryDownloadDriver() override;
private:
// DownloadDriver implementation.
void Initialize(DownloadDriver::Client* client) override;
void HardRecover() override;
bool IsReady() const override;
void Start(
const RequestParams& request_params,
const std::string& guid,
const base::FilePath& file_path,
const net::NetworkTrafficAnnotationTag& traffic_annotation) override;
void Remove(const std::string& guid) override;
void Pause(const std::string& guid) override;
void Resume(const std::string& guid) override;
base::Optional<DriverEntry> Find(const std::string& guid) override;
std::set<std::string> GetActiveDownloads() override;
size_t EstimateMemoryUsage() const override;
// InMemoryDownload::Delegate implementation.
void OnDownloadProgress(InMemoryDownload* download) override;
void OnDownloadComplete(InMemoryDownload* download) override;
// The client that receives updates from low level download logic.
DownloadDriver::Client* client_;
// The factory used to create in memory download objects.
std::unique_ptr<InMemoryDownload::Factory> download_factory_;
// A map of GUID and in memory download, which holds download data.
std::map<std::string, std::unique_ptr<InMemoryDownload>> downloads_;
DISALLOW_COPY_AND_ASSIGN(InMemoryDownloadDriver);
};
} // namespace download
#endif // COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_IN_MEMORY_DOWNLOAD_DRIVER_H_
|
