Retrieve per host storage usage from QuotaManager.

webkit/quota/usage_tracker.h

 // Copyright (c) 2011 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 WEBKIT_QUOTA_USAGE_TRACKER_H_
 #define WEBKIT_QUOTA_USAGE_TRACKER_H_
 #pragma once
 
 #include <list>
 #include <map>
@@ skipping 25 matching lines @@
   virtual ~UsageTracker();
 
   StorageType type() const { return type_; }
   ClientUsageTracker* GetClientTracker(QuotaClient::ID client_id);
 
   void GetGlobalUsage(GlobalUsageCallback* callback);
   void GetHostUsage(const std::string& host, HostUsageCallback* callback);
   void UpdateUsageCache(QuotaClient::ID client_id,
                         const GURL& origin,
                         int64 delta);
+  void GetCachedHostsUsage(std::map<std::string, int64>* host_usage) const;
   void GetCachedOrigins(std::set<GURL>* origins) const;
   bool IsWorking() const {
     return global_usage_callbacks_.HasCallbacks() ||
            host_usage_callbacks_.HasAnyCallbacks();
   }
 
  private:
   struct TrackingInfo {
     TrackingInfo() : pending_clients(0), usage(0), unlimited_usage(0) {}
     int pending_clients;
@@ skipping 29 matching lines @@
  public:
   ClientUsageTracker(UsageTracker* tracker,
                      QuotaClient* client,
                      StorageType type,
                      SpecialStoragePolicy* special_storage_policy);
   virtual ~ClientUsageTracker();
 
   void GetGlobalUsage(GlobalUsageCallback* callback);
   void GetHostUsage(const std::string& host, HostUsageCallback* callback);
   void UpdateUsageCache(const GURL& origin, int64 delta);
+  void GetCachedHostsUsage(std::map<std::string, int64>* host_usage) const;
   void GetCachedOrigins(std::set<GURL>* origins) const;
 
  private:
   typedef std::set<std::string> HostSet;
   typedef std::map<GURL, int64> UsageMap;
   typedef std::map<std::string, UsageMap> HostUsageMap;
 
   class GatherUsageTaskBase;
   class GatherGlobalUsageTask;
   class GatherHostUsageTask;
 
   // Methods used by our GatherUsage tasks, as a task makes progress
   // origins and hosts are added incrementally to the cache.
   void AddCachedOrigin(const GURL& origin, int64 usage);
   void AddCachedHost(const std::string& host);
   void GatherGlobalUsageComplete();
   void GatherHostUsageComplete(const std::string& host);
 
-  int64 GetCachedHostUsage(const std::string& host);
+  int64 GetCachedHostUsage(const std::string& host) const;
   int64 GetCachedGlobalUnlimitedUsage();
   virtual void OnSpecialStoragePolicyChanged() OVERRIDE;
   void NoopHostUsageCallback(
     const std::string& host,  StorageType type, int64 usage);
   bool IsStorageUnlimited(const GURL& origin) const;
 
   UsageTracker* tracker_;
   QuotaClient* client_;
   const StorageType type_;
 
@@ skipping 10 matching lines @@
   HostUsageCallbackMap host_usage_callbacks_;
 
   scoped_refptr<SpecialStoragePolicy> special_storage_policy_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientUsageTracker);
 };
 
 }  // namespace quota
 
 #endif  // WEBKIT_QUOTA_USAGE_TRACKER_H_