chrome/browser/engagement/site_engagement_eviction_policy.h

   1 // Copyright 2015 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_ENGAGEMENT_SITE_ENGAGEMENT_EVICTION_POLICY_H_
   6 #define CHROME_BROWSER_ENGAGEMENT_SITE_ENGAGEMENT_EVICTION_POLICY_H_
   7
   8 #include <map>
   9
  10 #include "base/macros.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "storage/browser/quota/quota_manager.h"
  14 #include "url/gurl.h"
  15
  16 namespace content {
  17 class BrowserContext;
  18 }
  19
  20 class SiteEngagementScoreProvider;
  21
  22 class SiteEngagementEvictionPolicy : public storage::QuotaEvictionPolicy {
  23  public:
  24   explicit SiteEngagementEvictionPolicy(
  25       content::BrowserContext* browser_context);
  26   virtual ~SiteEngagementEvictionPolicy();
  27
  28   // Overridden from storage::QuotaEvictionPolicy:
  29   void GetEvictionOrigin(const scoped_refptr<storage::SpecialStoragePolicy>&
  30                              special_storage_policy,
  31                          const std::map<GURL, int64>& usage_map,
  32                          int64 global_quota,
  33                          const storage::GetOriginCallback& callback) override;
  34
  35  private:
  36   friend class SiteEngagementEvictionPolicyTest;
  37
  38   static GURL CalculateEvictionOrigin(
  39       const scoped_refptr<storage::SpecialStoragePolicy>&
  40           special_storage_policy,
  41       SiteEngagementScoreProvider* score_provider,
  42       const std::map<GURL, int64>& usage_map,
  43       int64 global_quota);
  44
  45   content::BrowserContext* browser_context_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(SiteEngagementEvictionPolicy);
  48 };
  49
  50 #endif  // CHROME_BROWSER_ENGAGEMENT_SITE_ENGAGEMENT_EVICTION_POLICY_H_