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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_ | 5 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_ |
6 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_ | 6 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/id_map.h" | 12 #include "base/id_map.h" |
13 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
14 #include "content/public/browser/browser_message_filter.h" | 14 #include "content/public/browser/browser_message_filter.h" |
15 #include "url/gurl.h" | 15 #include "url/gurl.h" |
16 #include "webkit/browser/blob/blob_data_handle.h" | |
16 | 17 |
17 struct IndexedDBDatabaseMetadata; | 18 struct IndexedDBDatabaseMetadata; |
18 struct IndexedDBHostMsg_DatabaseCount_Params; | 19 struct IndexedDBHostMsg_DatabaseCount_Params; |
19 struct IndexedDBHostMsg_DatabaseCreateIndex_Params; | 20 struct IndexedDBHostMsg_DatabaseCreateIndex_Params; |
20 struct IndexedDBHostMsg_DatabaseCreateObjectStore_Params; | 21 struct IndexedDBHostMsg_DatabaseCreateObjectStore_Params; |
21 struct IndexedDBHostMsg_DatabaseCreateTransaction_Params; | 22 struct IndexedDBHostMsg_DatabaseCreateTransaction_Params; |
22 struct IndexedDBHostMsg_DatabaseDeleteRange_Params; | 23 struct IndexedDBHostMsg_DatabaseDeleteRange_Params; |
23 struct IndexedDBHostMsg_DatabaseGet_Params; | 24 struct IndexedDBHostMsg_DatabaseGet_Params; |
24 struct IndexedDBHostMsg_DatabaseOpenCursor_Params; | 25 struct IndexedDBHostMsg_DatabaseOpenCursor_Params; |
25 struct IndexedDBHostMsg_DatabasePut_Params; | 26 struct IndexedDBHostMsg_DatabasePut_Params; |
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73 // These are called to map a 32-bit front-end (renderer-specific) transaction | 74 // These are called to map a 32-bit front-end (renderer-specific) transaction |
74 // id to and from a back-end ("host") transaction id that encodes the process | 75 // id to and from a back-end ("host") transaction id that encodes the process |
75 // id in the high 32 bits. The mapping is host-specific and ids are validated. | 76 // id in the high 32 bits. The mapping is host-specific and ids are validated. |
76 int64 HostTransactionId(int64 transaction_id); | 77 int64 HostTransactionId(int64 transaction_id); |
77 int64 RendererTransactionId(int64 host_transaction_id); | 78 int64 RendererTransactionId(int64 host_transaction_id); |
78 | 79 |
79 // These are called to decode a host transaction ID, for diagnostic purposes. | 80 // These are called to decode a host transaction ID, for diagnostic purposes. |
80 static uint32 TransactionIdToRendererTransactionId(int64 host_transaction_id); | 81 static uint32 TransactionIdToRendererTransactionId(int64 host_transaction_id); |
81 static uint32 TransactionIdToProcessId(int64 host_transaction_id); | 82 static uint32 TransactionIdToProcessId(int64 host_transaction_id); |
82 | 83 |
84 void HoldBlobDataHandle( | |
jsbell
2014/03/14 21:32:54
FYI to other readers: it looks like we need to mir
| |
85 const std::string& uuid, | |
86 scoped_ptr<webkit_blob::BlobDataHandle>& blob_data_handle); | |
87 void DropBlobDataHandle(const std::string& uuid); | |
88 | |
83 private: | 89 private: |
84 // Friends to enable OnDestruct() delegation. | 90 // Friends to enable OnDestruct() delegation. |
85 friend class BrowserThread; | 91 friend class BrowserThread; |
86 friend class base::DeleteHelper<IndexedDBDispatcherHost>; | 92 friend class base::DeleteHelper<IndexedDBDispatcherHost>; |
87 | 93 |
88 virtual ~IndexedDBDispatcherHost(); | 94 virtual ~IndexedDBDispatcherHost(); |
89 | 95 |
90 // Message processing. Most of the work is delegated to the dispatcher hosts | 96 // Message processing. Most of the work is delegated to the dispatcher hosts |
91 // below. | 97 // below. |
92 void OnIDBFactoryGetDatabaseNames( | 98 void OnIDBFactoryGetDatabaseNames( |
93 const IndexedDBHostMsg_FactoryGetDatabaseNames_Params& p); | 99 const IndexedDBHostMsg_FactoryGetDatabaseNames_Params& p); |
94 void OnIDBFactoryOpen(const IndexedDBHostMsg_FactoryOpen_Params& p); | 100 void OnIDBFactoryOpen(const IndexedDBHostMsg_FactoryOpen_Params& p); |
95 | 101 |
96 void OnIDBFactoryDeleteDatabase( | 102 void OnIDBFactoryDeleteDatabase( |
97 const IndexedDBHostMsg_FactoryDeleteDatabase_Params& p); | 103 const IndexedDBHostMsg_FactoryDeleteDatabase_Params& p); |
98 | 104 |
105 void OnAckReceivedBlobs(const std::vector<std::string>& uuids); | |
106 | |
99 void ResetDispatcherHosts(); | 107 void ResetDispatcherHosts(); |
100 | 108 |
101 // IDMap for RefCounted types | 109 // IDMap for RefCounted types |
102 template <typename RefCountedType> | 110 template <typename RefCountedType> |
103 class RefIDMap { | 111 class RefIDMap { |
104 private: | 112 private: |
105 typedef int32 KeyType; | 113 typedef int32 KeyType; |
106 | 114 |
107 public: | 115 public: |
108 RefIDMap() {} | 116 RefIDMap() {} |
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223 int used_prefetches, | 231 int used_prefetches, |
224 int unused_prefetches); | 232 int unused_prefetches); |
225 void OnDestroyed(int32 ipc_cursor_id); | 233 void OnDestroyed(int32 ipc_cursor_id); |
226 | 234 |
227 IndexedDBDispatcherHost* parent_; | 235 IndexedDBDispatcherHost* parent_; |
228 RefIDMap<IndexedDBCursor> map_; | 236 RefIDMap<IndexedDBCursor> map_; |
229 }; | 237 }; |
230 | 238 |
231 scoped_refptr<IndexedDBContextImpl> indexed_db_context_; | 239 scoped_refptr<IndexedDBContextImpl> indexed_db_context_; |
232 | 240 |
241 typedef std::map<std::string, webkit_blob::BlobDataHandle*> BlobDataHandleMap; | |
242 BlobDataHandleMap blob_data_handle_map_; | |
243 | |
233 // Only access on IndexedDB thread. | 244 // Only access on IndexedDB thread. |
234 scoped_ptr<DatabaseDispatcherHost> database_dispatcher_host_; | 245 scoped_ptr<DatabaseDispatcherHost> database_dispatcher_host_; |
235 scoped_ptr<CursorDispatcherHost> cursor_dispatcher_host_; | 246 scoped_ptr<CursorDispatcherHost> cursor_dispatcher_host_; |
236 | 247 |
237 DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBDispatcherHost); | 248 DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBDispatcherHost); |
238 }; | 249 }; |
239 | 250 |
240 } // namespace content | 251 } // namespace content |
241 | 252 |
242 #endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_ | 253 #endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_ |
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