Blob support for IDB [Chromium]

content/browser/indexed_db/indexed_db_dispatcher_host.h

 // 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_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_
 
 #include <map>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/id_map.h"
 #include "base/memory/ref_counted.h"
 #include "content/public/browser/browser_message_filter.h"
+#include "net/url_request/url_request_context_getter.h"
 #include "url/gurl.h"
 
 struct IndexedDBDatabaseMetadata;
 struct IndexedDBHostMsg_DatabaseCount_Params;
 struct IndexedDBHostMsg_DatabaseCreateIndex_Params;
 struct IndexedDBHostMsg_DatabaseCreateObjectStore_Params;
 struct IndexedDBHostMsg_DatabaseCreateTransaction_Params;
 struct IndexedDBHostMsg_DatabaseDeleteRange_Params;
 struct IndexedDBHostMsg_DatabaseGet_Params;
 struct IndexedDBHostMsg_DatabaseOpenCursor_Params;
 struct IndexedDBHostMsg_DatabasePut_Params;
 struct IndexedDBHostMsg_DatabaseSetIndexKeys_Params;
 struct IndexedDBHostMsg_FactoryDeleteDatabase_Params;
 struct IndexedDBHostMsg_FactoryGetDatabaseNames_Params;
 struct IndexedDBHostMsg_FactoryOpen_Params;
 
 namespace content {
+class FileAPIMessageFilter;
 class IndexedDBConnection;
 class IndexedDBContextImpl;
 class IndexedDBCursor;
 class IndexedDBKey;
 class IndexedDBKeyPath;
 class IndexedDBKeyRange;
 struct IndexedDBDatabaseMetadata;
 
 // Handles all IndexedDB related messages from a particular renderer process.
 class IndexedDBDispatcherHost : public BrowserMessageFilter {
  public:
   // Only call the constructor from the UI thread.
   IndexedDBDispatcherHost(int ipc_process_id,
-                          IndexedDBContextImpl* indexed_db_context);
+                          net::URLRequestContextGetter* request_context_getter,
+                          IndexedDBContextImpl* indexed_db_context,
+                          FileAPIMessageFilter* file_api_message_filter);
+  IndexedDBDispatcherHost(int ipc_process_id,
+                          net::URLRequestContext* request_context,
+                          IndexedDBContextImpl* indexed_db_context,
+                          FileAPIMessageFilter* file_api_message_filter);
 
   static ::IndexedDBDatabaseMetadata ConvertMetadata(
       const content::IndexedDBDatabaseMetadata& metadata);
 
   // BrowserMessageFilter implementation.
+  virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
   virtual void OnChannelClosing() OVERRIDE;
   virtual void OnDestruct() const OVERRIDE;
   virtual base::TaskRunner* OverrideTaskRunnerForMessage(
       const IPC::Message& message) OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message,
                                  bool* message_was_ok) OVERRIDE;
 
   void FinishTransaction(int64 host_transaction_id, bool committed);
 
   // A shortcut for accessing our context.
   IndexedDBContextImpl* Context() { return indexed_db_context_; }
+  FileAPIMessageFilter* file_api_message_filter() {
+    return file_api_message_filter_;
+  }
 
   // IndexedDBCallbacks call these methods to add the results into the
   // applicable map.  See below for more details.
   int32 Add(IndexedDBCursor* cursor);
   int32 Add(IndexedDBConnection* connection,
             int32 ipc_thread_id,
             const GURL& origin_url);
 
   void RegisterTransactionId(int64 host_transaction_id, const GURL& origin_url);
 
@@ skipping 147 matching lines @@
                     int n);
     void OnPrefetchReset(int32 ipc_cursor_id,
                          int used_prefetches,
                          int unused_prefetches);
     void OnDestroyed(int32 ipc_cursor_id);
 
     IndexedDBDispatcherHost* parent_;
     RefIDMap<IndexedDBCursor> map_;
   };
 
+  // The getter holds the context until OnChannelConnected() can be called from
+  // the IO thread, which will extract the net::URLRequestContext from it.
+  scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
+  net::URLRequestContext* request_context_;
   scoped_refptr<IndexedDBContextImpl> indexed_db_context_;
+  FileAPIMessageFilter* file_api_message_filter_;
 
   // Only access on IndexedDB thread.
   scoped_ptr<DatabaseDispatcherHost> database_dispatcher_host_;
   scoped_ptr<CursorDispatcherHost> cursor_dispatcher_host_;
 
   // Used to dispatch messages to the correct view host.
   int ipc_process_id_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_