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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef WEBKIT_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_ | 5 #ifndef WEBKIT_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_ |
6 #define WEBKIT_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_ | 6 #define WEBKIT_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 | 10 |
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40 scoped_ptr<BlobDataHandle> GetBlobDataFromPublicURL(const GURL& url); | 40 scoped_ptr<BlobDataHandle> GetBlobDataFromPublicURL(const GURL& url); |
41 | 41 |
42 // Useful for coining blobs from within the browser process. If the | 42 // Useful for coining blobs from within the browser process. If the |
43 // blob cannot be added due to memory consumption, returns NULL. | 43 // blob cannot be added due to memory consumption, returns NULL. |
44 scoped_ptr<BlobDataHandle> AddFinishedBlob(const BlobData* blob_data); | 44 scoped_ptr<BlobDataHandle> AddFinishedBlob(const BlobData* blob_data); |
45 | 45 |
46 // Useful for coining blob urls from within the browser process. | 46 // Useful for coining blob urls from within the browser process. |
47 bool RegisterPublicBlobURL(const GURL& url, const std::string& uuid); | 47 bool RegisterPublicBlobURL(const GURL& url, const std::string& uuid); |
48 void RevokePublicBlobURL(const GURL& url); | 48 void RevokePublicBlobURL(const GURL& url); |
49 | 49 |
50 // Temporary support for mapping oldstyle blobUrls to new style uuids. | |
51 std::string LookupUuidFromDeprecatedURL(const GURL& url); | |
52 | |
53 private: | 50 private: |
54 friend class BlobDataHandle; | 51 friend class BlobDataHandle; |
55 friend class BlobStorageHost; | 52 friend class BlobStorageHost; |
56 friend class ViewBlobInternalsJob; | 53 friend class ViewBlobInternalsJob; |
57 | 54 |
58 enum EntryFlags { | 55 enum EntryFlags { |
59 BEING_BUILT = 1 << 0, | 56 BEING_BUILT = 1 << 0, |
60 EXCEEDED_MEMORY = 1 << 1, | 57 EXCEEDED_MEMORY = 1 << 1, |
61 }; | 58 }; |
62 | 59 |
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75 typedef std::map<GURL, std::string> BlobURLMap; | 72 typedef std::map<GURL, std::string> BlobURLMap; |
76 | 73 |
77 void StartBuildingBlob(const std::string& uuid); | 74 void StartBuildingBlob(const std::string& uuid); |
78 void AppendBlobDataItem(const std::string& uuid, | 75 void AppendBlobDataItem(const std::string& uuid, |
79 const BlobData::Item& data_item); | 76 const BlobData::Item& data_item); |
80 void FinishBuildingBlob(const std::string& uuid, const std::string& type); | 77 void FinishBuildingBlob(const std::string& uuid, const std::string& type); |
81 void CancelBuildingBlob(const std::string& uuid); | 78 void CancelBuildingBlob(const std::string& uuid); |
82 void IncrementBlobRefCount(const std::string& uuid); | 79 void IncrementBlobRefCount(const std::string& uuid); |
83 void DecrementBlobRefCount(const std::string& uuid); | 80 void DecrementBlobRefCount(const std::string& uuid); |
84 | 81 |
85 // Temporary support for mapping old style blobUrls to new style uuids. | |
86 void DeprecatedRegisterPrivateBlobURL(const GURL& url, | |
87 const std::string& uuid); | |
88 void DeprecatedRevokePrivateBlobURL(const GURL& url); | |
89 | |
90 bool ExpandStorageItems(BlobData* target_blob_data, | 82 bool ExpandStorageItems(BlobData* target_blob_data, |
91 BlobData* src_blob_data, | 83 BlobData* src_blob_data, |
92 uint64 offset, | 84 uint64 offset, |
93 uint64 length); | 85 uint64 length); |
94 bool AppendBytesItem(BlobData* target_blob_data, | 86 bool AppendBytesItem(BlobData* target_blob_data, |
95 const char* data, int64 length); | 87 const char* data, int64 length); |
96 void AppendFileItem(BlobData* target_blob_data, | 88 void AppendFileItem(BlobData* target_blob_data, |
97 const base::FilePath& file_path, | 89 const base::FilePath& file_path, |
98 uint64 offset, uint64 length, | 90 uint64 offset, uint64 length, |
99 const base::Time& expected_modification_time); | 91 const base::Time& expected_modification_time); |
100 void AppendFileSystemFileItem( | 92 void AppendFileSystemFileItem( |
101 BlobData* target_blob_data, | 93 BlobData* target_blob_data, |
102 const GURL& url, uint64 offset, uint64 length, | 94 const GURL& url, uint64 offset, uint64 length, |
103 const base::Time& expected_modification_time); | 95 const base::Time& expected_modification_time); |
104 | 96 |
105 bool IsInUse(const std::string& uuid); | 97 bool IsInUse(const std::string& uuid); |
106 bool IsBeingBuilt(const std::string& uuid); | 98 bool IsBeingBuilt(const std::string& uuid); |
107 bool IsUrlRegistered(const GURL& blob_url); | 99 bool IsUrlRegistered(const GURL& blob_url); |
108 | 100 |
109 BlobMap blob_map_; | 101 BlobMap blob_map_; |
110 BlobURLMap public_blob_urls_; | 102 BlobURLMap public_blob_urls_; |
111 BlobURLMap deprecated_blob_urls_; | |
112 | 103 |
113 // Used to keep track of how much memory is being utitlized for blob data, | 104 // Used to keep track of how much memory is being utitlized for blob data, |
114 // we count only the items of TYPE_DATA which are held in memory and not | 105 // we count only the items of TYPE_DATA which are held in memory and not |
115 // items of TYPE_FILE. | 106 // items of TYPE_FILE. |
116 int64 memory_usage_; | 107 int64 memory_usage_; |
117 | 108 |
118 DISALLOW_COPY_AND_ASSIGN(BlobStorageContext); | 109 DISALLOW_COPY_AND_ASSIGN(BlobStorageContext); |
119 }; | 110 }; |
120 | 111 |
121 } // namespace webkit_blob | 112 } // namespace webkit_blob |
122 | 113 |
123 #endif // WEBKIT_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_ | 114 #endif // WEBKIT_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_ |
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