chrome/browser/printing/cloud_print/cloud_print_proxy_service.h

   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/pref_change_registrar.h"
  16 #include "components/keyed_service/core/keyed_service.h"
  17
  18 class Profile;
  19 class ServiceProcessControl;
  20
  21 namespace base {
  22 class DictionaryValue;
  23 }  // namespace base
  24
  25 namespace cloud_print {
  26 struct CloudPrintProxyInfo;
  27 }  // namespace cloud_print
  28
  29 // Layer between the browser user interface and the cloud print proxy code
  30 // running in the service process.
  31 class CloudPrintProxyService : public KeyedService {
  32  public:
  33   explicit CloudPrintProxyService(Profile* profile);
  34   virtual ~CloudPrintProxyService();
  35
  36   typedef base::Callback<void(const std::vector<std::string>&)>
  37       PrintersCallback;
  38
  39   // Initializes the object. This should be called every time an object of this
  40   // class is constructed.
  41   void Initialize();
  42
  43   // Returns list of printer names available for registration.
  44   void GetPrinters(const PrintersCallback& callback);
  45
  46   // Enables/disables cloud printing for the user
  47   virtual void EnableForUserWithRobot(
  48       const std::string& robot_auth_code,
  49       const std::string& robot_email,
  50       const std::string& user_email,
  51       const base::DictionaryValue& user_settings);
  52   virtual void DisableForUser();
  53
  54   // Query the service process for the status of the cloud print proxy and
  55   // update the browser prefs.
  56   void RefreshStatusFromService();
  57
  58   // Disable the service if the policy to do so is set, and once the
  59   // disablement is verified, quit the browser. Returns true if the policy is
  60   // not set or the connector was not enabled.
  61   bool EnforceCloudPrintConnectorPolicyAndQuit();
  62
  63   std::string proxy_id() const { return proxy_id_; }
  64
  65  private:
  66   // NotificationDelegate implementation for the token expired notification.
  67   class TokenExpiredNotificationDelegate;
  68   friend class TokenExpiredNotificationDelegate;
  69
  70   // Methods that send an IPC to the service.
  71   void GetCloudPrintProxyPrinters(const PrintersCallback& callback);
  72   void RefreshCloudPrintProxyStatus();
  73   void EnableCloudPrintProxyWithRobot(
  74       const std::string& robot_auth_code,
  75       const std::string& robot_email,
  76       const std::string& user_email,
  77       const base::DictionaryValue* user_preferences);
  78   void DisableCloudPrintProxy();
  79
  80   // Callback that gets the cloud print proxy info.
  81   void ProxyInfoCallback(
  82     const cloud_print::CloudPrintProxyInfo& proxy_info);
  83
  84   // Invoke a task that gets run after the service process successfully
  85   // launches. The task typically involves sending an IPC to the service
  86   // process.
  87   bool InvokeServiceTask(const base::Closure& task);
  88
  89   // Checks the policy. Returns true if nothing needs to be done (the policy is
  90   // not set or the connector is not enabled).
  91   bool ApplyCloudPrintConnectorPolicy();
  92
  93   Profile* profile_;
  94   std::string proxy_id_;
  95
  96   // Virtual for testing.
  97   virtual ServiceProcessControl* GetServiceProcessControl();
  98
  99   // For watching for connector policy changes.
 100   PrefChangeRegistrar pref_change_registrar_;
 101
 102   // If set, continue trying to disable the connector, and quit the process
 103   // once successful.
 104   bool enforcing_connector_policy_;
 105
 106   base::WeakPtrFactory<CloudPrintProxyService> weak_factory_;
 107
 108   DISALLOW_COPY_AND_ASSIGN(CloudPrintProxyService);
 109 };
 110
 111 #endif  // CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_PROXY_SERVICE_H_