| // Copyright (c) 2012 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 CONTENT_BROWSER_STORAGE_PARTITION_IMPL_MAP_H_ |
| #define CONTENT_BROWSER_STORAGE_PARTITION_IMPL_MAP_H_ |
| |
| #include <map> |
| #include <memory> |
| #include <string> |
| #include <unordered_set> |
| |
| #include "base/callback_forward.h" |
| #include "base/gtest_prod_util.h" |
| #include "base/macros.h" |
| #include "base/supports_user_data.h" |
| #include "content/browser/storage_partition_impl.h" |
| #include "content/public/browser/browser_context.h" |
| #include "content/public/browser/storage_partition_config.h" |
| |
| namespace base { |
| class FilePath; |
| class SequencedTaskRunner; |
| } // namespace base |
| |
| namespace content { |
| |
| class BrowserContext; |
| |
| // A std::string to StoragePartition map for use with SupportsUserData APIs. |
| class CONTENT_EXPORT StoragePartitionImplMap |
| : public base::SupportsUserData::Data { |
| public: |
| explicit StoragePartitionImplMap(BrowserContext* browser_context); |
| |
| ~StoragePartitionImplMap() override; |
| |
| // This map retains ownership of the returned StoragePartition objects. |
| StoragePartitionImpl* Get(const StoragePartitionConfig& partition_config, |
| bool can_create); |
| |
| // Starts an asynchronous best-effort attempt to delete all on-disk storage |
| // related to |partition_domain|, avoiding any directories that are known to |
| // be in use. |
| // |
| // |on_gc_required| is called if the AsyncObliterate() call was unable to |
| // fully clean the on-disk storage requiring a call to GarbageCollect() on |
| // the next browser start. |
| void AsyncObliterate(const std::string& partition_domain, |
| base::OnceClosure on_gc_required); |
| |
| // Examines the on-disk storage and removes any entires that are not listed |
| // in the |active_paths|, or in use by current entries in the storage |
| // partition. |
| // |
| // The |done| closure is executed on the calling thread when garbage |
| // collection is complete. |
| void GarbageCollect( |
| std::unique_ptr<std::unordered_set<base::FilePath>> active_paths, |
| base::OnceClosure done); |
| |
| void ForEach(BrowserContext::StoragePartitionCallback callback); |
| |
| size_t size() const { return partitions_.size(); } |
| |
| private: |
| FRIEND_TEST_ALL_PREFIXES(StoragePartitionConfigTest, OperatorLess); |
| FRIEND_TEST_ALL_PREFIXES(StoragePartitionImplMapTest, GarbageCollect); |
| |
| typedef std::map<StoragePartitionConfig, |
| std::unique_ptr<StoragePartitionImpl>> |
| PartitionMap; |
| |
| // Returns the relative path from the profile's base directory, to the |
| // directory that holds all the state for storage contexts in the given |
| // |partition_domain| and |partition_name|. |
| static base::FilePath GetStoragePartitionPath( |
| const std::string& partition_domain, |
| const std::string& partition_name); |
| |
| // This must always be called *after* |partition| has been added to the |
| // partitions_. |
| // |
| // TODO(ajwong): Is there a way to make it so that Get()'s implementation |
| // doesn't need to be aware of this ordering? Revisit when refactoring |
| // ResourceContext and AppCache to respect storage partitions. |
| void PostCreateInitialization(StoragePartitionImpl* partition, |
| bool in_memory); |
| |
| BrowserContext* browser_context_; // Not Owned. |
| scoped_refptr<base::SequencedTaskRunner> file_access_runner_; |
| PartitionMap partitions_; |
| |
| // Set to true when the ResourceContext for the associated |browser_context_| |
| // is initialized. Can never return to false. |
| bool resource_context_initialized_; |
| |
| DISALLOW_COPY_AND_ASSIGN(StoragePartitionImplMap); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_STORAGE_PARTITION_IMPL_MAP_H_ |