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
|
// Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_OPERATION_MANAGER_H_
#define CHROME_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_OPERATION_MANAGER_H_
#include <map>
#include <string>
#include "base/bind.h"
#include "base/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/stl_util.h"
#include "base/timer/timer.h"
#include "chrome/browser/extensions/api/image_writer_private/image_writer_private_api.h"
#include "chrome/browser/extensions/api/image_writer_private/operation.h"
#include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/api/image_writer_private.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "url/gurl.h"
namespace image_writer_api = extensions::api::image_writer_private;
namespace extensions {
namespace image_writer {
class Operation;
// Manages image writer operations for the current profile. Including clean-up
// and message routing.
class OperationManager
: public ProfileKeyedAPI,
public content::NotificationObserver,
public base::SupportsWeakPtr<OperationManager> {
public:
typedef std::string ExtensionId;
explicit OperationManager(Profile* profile);
virtual ~OperationManager();
virtual void Shutdown() OVERRIDE;
// Starts a WriteFromUrl operation.
void StartWriteFromUrl(const ExtensionId& extension_id,
GURL url,
content::RenderViewHost* rvh,
const std::string& hash,
bool saveImageAsDownload,
const std::string& storage_unit_id,
const Operation::StartWriteCallback& callback);
// Starts a WriteFromFile operation.
void StartWriteFromFile(const ExtensionId& extension_id,
const std::string& storage_unit_id,
const Operation::StartWriteCallback& callback);
// Cancels the extensions current operation if any.
void CancelWrite(const ExtensionId& extension_id,
const Operation::CancelWriteCallback& callback);
// Callback for progress events.
void OnProgress(const ExtensionId& extension_id,
image_writer_api::Stage stage,
int progress);
// Callback for completion events.
void OnComplete(const ExtensionId& extension_id);
// Callback for error events.
// TODO (haven): Add error codes.
void OnError(const ExtensionId& extension_id,
image_writer_api::Stage stage,
int progress,
const std::string& error_message);
// ProfileKeyedAPI
static ProfileKeyedAPIFactory<OperationManager>*
GetFactoryInstance();
static OperationManager* Get(Profile* profile);
Profile* profile() { return profile_; }
private:
static const char* service_name() {
return "OperationManager";
}
// NotificationObserver
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
Operation* GetOperation(const ExtensionId& extension_id);
void DeleteOperation(const ExtensionId& extension_id);
friend class ProfileKeyedAPIFactory<OperationManager>;
typedef std::map<ExtensionId, scoped_refptr<Operation> > OperationMap;
Profile* profile_;
OperationMap operations_;
content::NotificationRegistrar registrar_;
base::WeakPtrFactory<OperationManager> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(OperationManager);
};
} // namespace image_writer
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_OPERATION_MANAGER_H_
|
