cloud_print_proxy_service.h revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_PROXY_SERVICE_H_
6#define CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_PROXY_SERVICE_H_
7
8#include <string>
9#include <vector>
10
11#include "base/basictypes.h"
12#include "base/callback_forward.h"
13#include "base/memory/weak_ptr.h"
14#include "base/observer_list.h"
15#include "base/prefs/public/pref_change_registrar.h"
16#include "base/prefs/public/pref_observer.h"
17#include "chrome/browser/printing/cloud_print/cloud_print_setup_handler.h"
18#include "chrome/browser/profiles/profile_keyed_service.h"
19
20class Profile;
21class ServiceProcessControl;
22
23namespace cloud_print {
24struct CloudPrintProxyInfo;
25}  // namespace cloud_print
26
27// Layer between the browser user interface and the cloud print proxy code
28// running in the service process.
29class CloudPrintProxyService
30    : public CloudPrintSetupHandlerDelegate,
31      public ProfileKeyedService,
32      public PrefObserver {
33 public:
34  explicit CloudPrintProxyService(Profile* profile);
35  virtual ~CloudPrintProxyService();
36
37  // Initializes the object. This should be called every time an object of this
38  // class is constructed.
39  void Initialize();
40
41  // Enables/disables cloud printing for the user
42  virtual void EnableForUser(const std::string& lsid, const std::string& email);
43  virtual void EnableForUserWithRobot(
44      const std::string& robot_auth_code,
45      const std::string& robot_email,
46      const std::string& user_email,
47      bool connect_new_printers,
48      const std::vector<std::string>& printer_blacklist);
49  virtual void DisableForUser();
50
51  // Query the service process for the status of the cloud print proxy and
52  // update the browser prefs.
53  void RefreshStatusFromService();
54
55  // Disable the service if the policy to do so is set, and once the
56  // disablement is verified, quit the browser. Returns true if the policy is
57  // not set or the connector was not enabled.
58  bool EnforceCloudPrintConnectorPolicyAndQuit();
59
60  bool ShowTokenExpiredNotification();
61  std::string proxy_id() const { return proxy_id_; }
62
63  // CloudPrintSetupHandler::Delegate implementation.
64  virtual void OnCloudPrintSetupClosed() OVERRIDE;
65
66  // PrefObserver implementation.
67  virtual void OnPreferenceChanged(PrefServiceBase* service,
68                                   const std::string& pref_name) OVERRIDE;
69
70 private:
71  // NotificationDelegate implementation for the token expired notification.
72  class TokenExpiredNotificationDelegate;
73  friend class TokenExpiredNotificationDelegate;
74
75  Profile* profile_;
76  scoped_refptr<TokenExpiredNotificationDelegate> token_expired_delegate_;
77  scoped_ptr<CloudPrintSetupHandler> cloud_print_setup_handler_;
78  std::string proxy_id_;
79
80  // Methods that send an IPC to the service.
81  void RefreshCloudPrintProxyStatus();
82  void EnableCloudPrintProxy(const std::string& lsid, const std::string& email);
83  void EnableCloudPrintProxyWithRobot(
84      const std::string& robot_auth_code,
85      const std::string& robot_email,
86      const std::string& user_email,
87      bool connect_new_printers,
88      const std::vector<std::string>& printer_blacklist);
89  void DisableCloudPrintProxy();
90
91  // Callback that gets the cloud print proxy info.
92  void ProxyInfoCallback(
93    const cloud_print::CloudPrintProxyInfo& proxy_info);
94
95  // Invoke a task that gets run after the service process successfully
96  // launches. The task typically involves sending an IPC to the service
97  // process.
98  bool InvokeServiceTask(const base::Closure& task);
99
100  void OnTokenExpiredNotificationError();
101  void OnTokenExpiredNotificationClosed(bool by_user);
102  void OnTokenExpiredNotificationClick();
103  void TokenExpiredNotificationDone(bool keep_alive);
104
105  // Checks the policy. Returns true if nothing needs to be done (the policy is
106  // not set or the connector is not enabled).
107  bool ApplyCloudPrintConnectorPolicy();
108
109  // Virtual for testing.
110  virtual ServiceProcessControl* GetServiceProcessControl();
111
112  base::WeakPtrFactory<CloudPrintProxyService> weak_factory_;
113
114  // For watching for connector enablement policy changes.
115  PrefChangeRegistrar pref_change_registrar_;
116
117  // If set, continue trying to disable the connector, and quit the process
118  // once successful.
119  bool enforcing_connector_policy_;
120
121  DISALLOW_COPY_AND_ASSIGN(CloudPrintProxyService);
122};
123
124#endif  // CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_PROXY_SERVICE_H_
125