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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
// Copyright (c) 2011 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.
#include "chrome/browser/chromeos/cros/update_library.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/logging.h"
#include "base/message_loop.h"
#include "base/observer_list.h"
#include "chrome/browser/chromeos/cros/cros_library.h"
#include "content/browser/browser_thread.h"
namespace chromeos {
class UpdateLibraryImpl : public UpdateLibrary {
public:
UpdateLibraryImpl() : status_connection_(NULL) {}
virtual ~UpdateLibraryImpl() {
if (status_connection_) {
chromeos::DisconnectUpdateProgress(status_connection_);
status_connection_ = NULL;
}
}
// Begin UpdateLibrary implementation.
virtual void Init() OVERRIDE {
DCHECK(CrosLibrary::Get()->libcros_loaded());
CHECK(!status_connection_) << "Already initialized";
status_connection_ =
chromeos::MonitorUpdateStatus(&UpdateStatusHandler, this);
// Asynchronously load the initial state.
chromeos::RequestUpdateStatus(&UpdateStatusHandler, this);
}
virtual void AddObserver(Observer* observer) OVERRIDE {
observers_.AddObserver(observer);
}
virtual void RemoveObserver(Observer* observer) OVERRIDE {
observers_.RemoveObserver(observer);
}
virtual bool HasObserver(Observer* observer) OVERRIDE {
return observers_.HasObserver(observer);
}
virtual void RequestUpdateCheck(chromeos::UpdateCallback callback,
void* user_data) OVERRIDE {
chromeos::RequestUpdateCheck(callback, user_data);
}
virtual void RebootAfterUpdate() OVERRIDE {
chromeos::RebootIfUpdated();
}
virtual void SetReleaseTrack(const std::string& track) OVERRIDE {
chromeos::SetUpdateTrack(track);
}
virtual void GetReleaseTrack(chromeos::UpdateTrackCallback callback,
void* user_data) OVERRIDE {
chromeos::RequestUpdateTrack(callback, user_data);
}
// End UpdateLibrary implementation.
const UpdateLibrary::Status& status() const {
return status_;
}
private:
static void UpdateStatusHandler(void* object, const UpdateProgress& status) {
UpdateLibraryImpl* impl = static_cast<UpdateLibraryImpl*>(object);
impl->UpdateStatus(Status(status));
}
void UpdateStatus(const Status& status) {
// Called from UpdateStatusHandler, a libcros callback which should
// always run on UI thread.
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
status_ = status;
FOR_EACH_OBSERVER(Observer, observers_, UpdateStatusChanged(this));
}
ObserverList<Observer> observers_;
// A reference to the update api, to allow callbacks when the update
// status changes.
UpdateStatusConnection status_connection_;
// The latest power status.
Status status_;
DISALLOW_COPY_AND_ASSIGN(UpdateLibraryImpl);
};
class UpdateLibraryStubImpl : public UpdateLibrary {
public:
UpdateLibraryStubImpl() {}
virtual ~UpdateLibraryStubImpl() {}
// Begin UpdateLibrary implementation.
virtual void Init() OVERRIDE {}
virtual void AddObserver(Observer* observer) OVERRIDE {}
virtual void RemoveObserver(Observer* observer) OVERRIDE {}
virtual bool HasObserver(Observer* observer) OVERRIDE { return false; }
virtual void RequestUpdateCheck(chromeos::UpdateCallback callback,
void* user_data) OVERRIDE {
if (callback)
callback(user_data, UPDATE_RESULT_FAILED, "stub update");
}
virtual void RebootAfterUpdate() OVERRIDE {}
virtual void SetReleaseTrack(const std::string& track) OVERRIDE {}
virtual void GetReleaseTrack(chromeos::UpdateTrackCallback callback,
void* user_data) OVERRIDE {
if (callback)
callback(user_data, "beta-channel");
}
// End UpdateLibrary implementation.
const UpdateLibrary::Status& status() const { return status_; }
private:
Status status_;
DISALLOW_COPY_AND_ASSIGN(UpdateLibraryStubImpl);
};
// static
UpdateLibrary* UpdateLibrary::GetImpl(bool stub) {
UpdateLibrary* impl;
if (stub)
impl = new UpdateLibraryStubImpl();
else
impl = new UpdateLibraryImpl();
impl->Init();
return impl;
}
} // namespace chromeos
|
