content/browser/cache_storage/cache_storage_context_impl.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 CONTENT_BROWSER_CACHE_STORAGE_CACHE_STORAGE_CONTEXT_IMPL_H_
   6 #define CONTENT_BROWSER_CACHE_STORAGE_CACHE_STORAGE_CONTEXT_IMPL_H_
   7
   8 #include "base/files/file_path.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "content/common/content_export.h"
  12 #include "content/public/browser/cache_storage_context.h"
  13 #include "content/public/browser/cache_storage_usage_info.h"
  14
  15 namespace base {
  16 class FilePath;
  17 class SequencedTaskRunner;
  18 }
  19
  20 namespace net {
  21 class URLRequestContextGetter;
  22 }
  23
  24 namespace storage {
  25 class QuotaManagerProxy;
  26 class SpecialStoragePolicy;
  27 }
  28
  29 namespace content {
  30
  31 class BrowserContext;
  32 class ChromeBlobStorageContext;
  33 class CacheStorageManager;
  34
  35 // One instance of this exists per StoragePartition, and services multiple
  36 // child processes/origins. Most logic is delegated to the owned
  37 // CacheStorageManager instance, which is only accessed on the IO
  38 // thread.
  39 class CONTENT_EXPORT CacheStorageContextImpl
  40     : NON_EXPORTED_BASE(public CacheStorageContext) {
  41  public:
  42   explicit CacheStorageContextImpl(BrowserContext* browser_context);
  43
  44   // Init and Shutdown are for use on the UI thread when the profile,
  45   // storagepartition is being setup and torn down.
  46   void Init(const base::FilePath& user_data_directory,
  47             storage::QuotaManagerProxy* quota_manager_proxy,
  48             storage::SpecialStoragePolicy* special_storage_policy);
  49   void Shutdown();
  50
  51   // Only callable on the IO thread.
  52   CacheStorageManager* cache_manager() const;
  53
  54   bool is_incognito() const { return is_incognito_; }
  55
  56   // The URLRequestContext doesn't exist until after the StoragePartition is
  57   // made (which is after this object is made). This function must be called
  58   // after this object is created but before any CacheStorageCache operations.
  59   // It must be called on the IO thread. If either parameter is NULL the
  60   // function immediately returns without forwarding to the
  61   // CacheStorageManager.
  62   void SetBlobParametersForCache(
  63       net::URLRequestContextGetter* request_context_getter,
  64       ChromeBlobStorageContext* blob_storage_context);
  65
  66   // CacheStorageContext
  67   void GetAllOriginsInfo(const GetUsageInfoCallback& callback) override;
  68   void DeleteForOrigin(const GURL& origin) override;
  69
  70  protected:
  71   ~CacheStorageContextImpl() override;
  72
  73  private:
  74   void CreateCacheStorageManager(
  75       const base::FilePath& user_data_directory,
  76       const scoped_refptr<base::SequencedTaskRunner>& cache_task_runner,
  77       storage::QuotaManagerProxy* quota_manager_proxy,
  78       storage::SpecialStoragePolicy* special_storage_policy);
  79
  80   void ShutdownOnIO();
  81
  82   // Initialized in Init(); true if the user data directory is empty.
  83   bool is_incognito_ = false;
  84
  85   // Only accessed on the IO thread.
  86   scoped_ptr<CacheStorageManager> cache_manager_;
  87 };
  88
  89 }  // namespace content
  90
  91 #endif  // CONTENT_BROWSER_CACHE_STORAGE_CACHE_STORAGE_CONTEXT_IMPL_H_