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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 <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <map> | 10 #include <map> |
| 11 #include <memory> |
| 11 #include <string> | 12 #include <string> |
| 12 #include <utility> | 13 #include <utility> |
| 13 #include <vector> | 14 #include <vector> |
| 14 | 15 |
| 15 #include "base/id_map.h" | 16 #include "base/id_map.h" |
| 16 #include "base/macros.h" | 17 #include "base/macros.h" |
| 17 #include "base/memory/ref_counted.h" | 18 #include "base/memory/ref_counted.h" |
| 18 #include "base/memory/weak_ptr.h" | 19 #include "base/memory/weak_ptr.h" |
| 19 #include "content/browser/blob_storage/chrome_blob_storage_context.h" | 20 #include "content/browser/blob_storage/chrome_blob_storage_context.h" |
| 20 #include "content/public/browser/browser_message_filter.h" | 21 #include "content/public/browser/browser_message_filter.h" |
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| 59 struct IndexedDBDatabaseMetadata; | 60 struct IndexedDBDatabaseMetadata; |
| 60 | 61 |
| 61 // Handles all IndexedDB related messages from a particular renderer process. | 62 // Handles all IndexedDB related messages from a particular renderer process. |
| 62 class IndexedDBDispatcherHost : public BrowserMessageFilter { | 63 class IndexedDBDispatcherHost : public BrowserMessageFilter { |
| 63 public: | 64 public: |
| 64 // Only call the constructor from the UI thread. | 65 // Only call the constructor from the UI thread. |
| 65 IndexedDBDispatcherHost(int ipc_process_id, | 66 IndexedDBDispatcherHost(int ipc_process_id, |
| 66 net::URLRequestContextGetter* request_context_getter, | 67 net::URLRequestContextGetter* request_context_getter, |
| 67 IndexedDBContextImpl* indexed_db_context, | 68 IndexedDBContextImpl* indexed_db_context, |
| 68 ChromeBlobStorageContext* blob_storage_context); | 69 ChromeBlobStorageContext* blob_storage_context); |
| 69 IndexedDBDispatcherHost(int ipc_process_id, | |
| 70 net::URLRequestContext* request_context, | |
| 71 IndexedDBContextImpl* indexed_db_context, | |
| 72 ChromeBlobStorageContext* blob_storage_context); | |
| 73 | 70 |
| 74 static ::IndexedDBDatabaseMetadata ConvertMetadata( | 71 static ::IndexedDBDatabaseMetadata ConvertMetadata( |
| 75 const content::IndexedDBDatabaseMetadata& metadata); | 72 const content::IndexedDBDatabaseMetadata& metadata); |
| 76 static IndexedDBMsg_ObserverChanges ConvertObserverChanges( | 73 static IndexedDBMsg_ObserverChanges ConvertObserverChanges( |
| 77 std::unique_ptr<IndexedDBObserverChanges> changes); | 74 std::unique_ptr<IndexedDBObserverChanges> changes); |
| 78 static IndexedDBMsg_Observation ConvertObservation( | 75 static IndexedDBMsg_Observation ConvertObservation( |
| 79 const IndexedDBObservation* observation); | 76 const IndexedDBObservation* observation); |
| 80 | 77 |
| 81 // BrowserMessageFilter implementation. | 78 // BrowserMessageFilter implementation. |
| 82 void OnChannelConnected(int32_t peer_pid) override; | |
| 83 void OnChannelClosing() override; | 79 void OnChannelClosing() override; |
| 84 void OnDestruct() const override; | 80 void OnDestruct() const override; |
| 85 base::TaskRunner* OverrideTaskRunnerForMessage( | 81 base::TaskRunner* OverrideTaskRunnerForMessage( |
| 86 const IPC::Message& message) override; | 82 const IPC::Message& message) override; |
| 87 bool OnMessageReceived(const IPC::Message& message) override; | 83 bool OnMessageReceived(const IPC::Message& message) override; |
| 88 | 84 |
| 89 void FinishTransaction(int64_t host_transaction_id, bool committed); | 85 void FinishTransaction(int64_t host_transaction_id, bool committed); |
| 90 | 86 |
| 91 // A shortcut for accessing our context. | 87 // A shortcut for accessing our context. |
| 92 IndexedDBContextImpl* context() const { return indexed_db_context_.get(); } | 88 IndexedDBContextImpl* context() const { return indexed_db_context_.get(); } |
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| 291 void OnIDBFactoryDeleteDatabase( | 287 void OnIDBFactoryDeleteDatabase( |
| 292 const IndexedDBHostMsg_FactoryDeleteDatabase_Params& p); | 288 const IndexedDBHostMsg_FactoryDeleteDatabase_Params& p); |
| 293 | 289 |
| 294 void OnAckReceivedBlobs(const std::vector<std::string>& uuids); | 290 void OnAckReceivedBlobs(const std::vector<std::string>& uuids); |
| 295 void OnPutHelper(const IndexedDBHostMsg_DatabasePut_Params& params, | 291 void OnPutHelper(const IndexedDBHostMsg_DatabasePut_Params& params, |
| 296 std::vector<storage::BlobDataHandle*> handles); | 292 std::vector<storage::BlobDataHandle*> handles); |
| 297 | 293 |
| 298 void ResetDispatcherHosts(); | 294 void ResetDispatcherHosts(); |
| 299 void DropBlobData(const std::string& uuid); | 295 void DropBlobData(const std::string& uuid); |
| 300 | 296 |
| 301 // The getter holds the context until OnChannelConnected() can be called from | |
| 302 // the IO thread, which will extract the net::URLRequestContext from it. | |
| 303 scoped_refptr<net::URLRequestContextGetter> request_context_getter_; | 297 scoped_refptr<net::URLRequestContextGetter> request_context_getter_; |
| 304 net::URLRequestContext* request_context_; | |
| 305 scoped_refptr<IndexedDBContextImpl> indexed_db_context_; | 298 scoped_refptr<IndexedDBContextImpl> indexed_db_context_; |
| 306 scoped_refptr<ChromeBlobStorageContext> blob_storage_context_; | 299 scoped_refptr<ChromeBlobStorageContext> blob_storage_context_; |
| 307 | 300 |
| 308 // Maps blob uuid to a pair (handle, ref count). Entry is added and/or count | 301 // Maps blob uuid to a pair (handle, ref count). Entry is added and/or count |
| 309 // is incremented in HoldBlobData(), and count is decremented and/or entry | 302 // is incremented in HoldBlobData(), and count is decremented and/or entry |
| 310 // removed in DropBlobData(). | 303 // removed in DropBlobData(). |
| 311 std::map<std::string, | 304 std::map<std::string, |
| 312 std::pair<std::unique_ptr<storage::BlobDataHandle>, int>> | 305 std::pair<std::unique_ptr<storage::BlobDataHandle>, int>> |
| 313 blob_data_handle_map_; | 306 blob_data_handle_map_; |
| 314 | 307 |
| 315 // Only access on IndexedDB thread. | 308 // Only access on IndexedDB thread. |
| 316 std::unique_ptr<DatabaseDispatcherHost> database_dispatcher_host_; | 309 std::unique_ptr<DatabaseDispatcherHost> database_dispatcher_host_; |
| 317 std::unique_ptr<CursorDispatcherHost> cursor_dispatcher_host_; | 310 std::unique_ptr<CursorDispatcherHost> cursor_dispatcher_host_; |
| 318 | 311 |
| 319 // Used to set file permissions for blob storage. | 312 // Used to set file permissions for blob storage. |
| 320 int ipc_process_id_; | 313 int ipc_process_id_; |
| 321 | 314 |
| 322 DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBDispatcherHost); | 315 DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBDispatcherHost); |
| 323 }; | 316 }; |
| 324 | 317 |
| 325 } // namespace content | 318 } // namespace content |
| 326 | 319 |
| 327 #endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_ | 320 #endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_ |
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