| // 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_POLICY_CLOUD_CLOUD_EXTERNAL_DATA_MANAGER_H_ |
| #define CHROME_BROWSER_POLICY_CLOUD_CLOUD_EXTERNAL_DATA_MANAGER_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "chrome/browser/policy/external_data_manager.h" |
| |
| namespace net { |
| class URLRequestContextGetter; |
| } |
| |
| namespace policy { |
| |
| class CloudPolicyStore; |
| |
| // Downloads, verifies, caches and retrieves external data referenced by |
| // policies. |
| // This a common base class used by cloud policy implementations and mocks. |
| class CloudExternalDataManager : public ExternalDataManager { |
| public: |
| struct MetadataEntry { |
| MetadataEntry(); |
| MetadataEntry(const std::string& url, const std::string& hash); |
| |
| bool operator!=(const MetadataEntry& other) const; |
| |
| std::string url; |
| std::string hash; |
| }; |
| // Maps from policy names to the metadata specifying the external data that |
| // each of the policies references. |
| typedef std::map<std::string, MetadataEntry> Metadata; |
| |
| CloudExternalDataManager(); |
| virtual ~CloudExternalDataManager(); |
| |
| // Sets the source of external data references to |policy_store|. The manager |
| // will start observing |policy_store| so that when external data references |
| // change, obsolete data can be deleted and new data can be downloaded. If the |
| // |policy_store| is destroyed before the manager, the connection must be |
| // severed first by calling SetPolicyStore(NULL). |
| virtual void SetPolicyStore(CloudPolicyStore* policy_store); |
| |
| // Called by the |policy_store_| when policy changes. |
| virtual void OnPolicyStoreLoaded() = 0; |
| |
| // Allows the manager to download external data by constructing URLFetchers |
| // from |request_context|. |
| virtual void Connect( |
| scoped_refptr<net::URLRequestContextGetter> request_context) = 0; |
| |
| // Prevents further external data downloads and aborts any downloads currently |
| // in progress. |
| virtual void Disconnect() = 0; |
| |
| protected: |
| CloudPolicyStore* policy_store_; // Not owned. |
| |
| base::WeakPtrFactory<CloudExternalDataManager> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CloudExternalDataManager); |
| }; |
| |
| } // namespace policy |
| |
| #endif // CHROME_BROWSER_POLICY_CLOUD_CLOUD_EXTERNAL_DATA_MANAGER_H_ |