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