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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_FILEAPI_TEST_FAKE_RECENT_SOURCE_H_
#define CHROME_BROWSER_ASH_FILEAPI_TEST_FAKE_RECENT_SOURCE_H_
#include <map>
#include <memory>
#include <vector>
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "chrome/browser/ash/fileapi/recent_source.h"
namespace ash {
class RecentFile;
// A file producer class that delivers specified files with the given lag.
class FileProducer {
public:
FileProducer(const base::TimeDelta& lag, std::vector<RecentFile> files);
~FileProducer();
// The method which delivers the files after the lag has elapsed.
void GetFiles(RecentSource::GetRecentFilesCallback callback);
private:
// The method called by OneShotTimer when this producer is ready to deliver
// files to the caller of GetFiles.
void OnFilesReady(RecentSource::GetRecentFilesCallback callback);
const base::TimeDelta lag_;
// Timers used to trigger the response. Every time GetFiles is called, a new
// timer is allocated.
std::vector<std::unique_ptr<base::OneShotTimer>> timers_;
// The files to be delivered after the specified lag passed.
std::vector<RecentFile> files_;
};
// Fake implementation of RecentSource that returns a canned set of files.
//
// All member functions must be called on the UI thread.
class FakeRecentSource : public RecentSource {
public:
// Creates a recent source for kTesting volume type.
FakeRecentSource();
// Creates a recent source with the specified volume type.
FakeRecentSource(
extensions::api::file_manager_private::VolumeType volume_type);
FakeRecentSource(const FakeRecentSource&) = delete;
FakeRecentSource& operator=(const FakeRecentSource&) = delete;
~FakeRecentSource() override;
// RecentSource overrides. When this method is called it triggers GetFiles
// calls on all known file producers. When all file producers deliver the
// results the callback is called with all delivered files.
void GetRecentFiles(const Params& params,
GetRecentFilesCallback callback) override;
std::vector<RecentFile> Stop(int32_t call_id) override;
// Adds a new producer; these must be added before GetRecentFiles is called.
void AddProducer(std::unique_ptr<FileProducer> producer);
private:
// The callback called by file producers.
void OnProducerReady(const int32_t call_id, std::vector<RecentFile> files);
// Called when this source received files from all file producers.
void OnAllProducersDone(const int32_t call_id);
// Filters files in the file accumulator down to those matching the criteria
// specified in the params_.
std::vector<RecentFile> GetMatchingFiles(
const std::vector<RecentFile>& accumulator,
const Params& params);
struct CallContext {
CallContext(GetRecentFilesCallback callback, const Params& params);
CallContext(CallContext&& context);
~CallContext();
// Callback; set when GetRecentFiles is called.
GetRecentFilesCallback callback;
// Copy of parameters. Set when GetRecentFiles is called.
Params params;
// Accumulates files returned by producers.
std::vector<RecentFile> accumulator;
// The number of active file producers.
size_t active_producer_count = 0;
};
// A map from call_id to callback.
std::map<int32_t, CallContext> context_map_;
// The list of producers.
std::vector<std::unique_ptr<FileProducer>> producers_;
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_FILEAPI_TEST_FAKE_RECENT_SOURCE_H_
|
