Dispatch IndexedDB IPC messages to worker threads

content/browser/in_process_webkit/indexed_db_dispatcher_host.h

 // Copyright (c) 2011 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_IN_PROCESS_WEBKIT_INDEXED_DB_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_DISPATCHER_HOST_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/id_map.h"
@@ skipping 42 matching lines @@
   void TransactionComplete(int32 transaction_id);
 
   // A shortcut for accessing our context.
   IndexedDBContext* Context() {
     return webkit_context_->indexed_db_context();
   }
 
   // The various IndexedDBCallbacks children call these methods to add the
   // results into the applicable map.  See below for more details.
   int32 Add(WebKit::WebIDBCursor* idb_cursor);
-  int32 Add(WebKit::WebIDBDatabase* idb_database, const GURL& origin_url);
+  int32 Add(WebKit::WebIDBDatabase* idb_database,
+            int32 thread_id,
+            const GURL& origin_url);
   int32 Add(WebKit::WebIDBIndex* idb_index);
   int32 Add(WebKit::WebIDBObjectStore* idb_object_store);
-  int32 Add(WebKit::WebIDBTransaction* idb_transaction, const GURL& origin_url);
+  int32 Add(WebKit::WebIDBTransaction* idb_transaction,
+            int32 thread_id,
+            const GURL& origin_url);
   int32 Add(WebKit::WebDOMStringList* domStringList);
 
   WebKit::WebIDBCursor* GetCursorFromId(int32 cursor_id);
 
  private:
   virtual ~IndexedDBDispatcherHost();
 
   // Message processing. Most of the work is delegated to the dispatcher hosts
   // below.
   void OnIDBFactoryGetDatabaseNames(
@@ skipping 34 matching lines @@
     void OnObjectStoreNames(int32 idb_database_id,
                             std::vector<string16>* object_stores);
     void OnCreateObjectStore(
         const IndexedDBHostMsg_DatabaseCreateObjectStore_Params& params,
         int32* object_store_id, WebKit::WebExceptionCode* ec);
     void OnDeleteObjectStore(int32 idb_database_id,
                              const string16& name,
                              int32 transaction_id,
                              WebKit::WebExceptionCode* ec);
     void OnSetVersion(int32 idb_database_id,
+                      int32 thread_id,
                       int32 response_id,
                       const string16& version,
                       WebKit::WebExceptionCode* ec);
-    void OnTransaction(int32 idb_database_id,
+    void OnTransaction(int32 thread_id,
+                       int32 idb_database_id,
                        const std::vector<string16>& names,
                        int32 mode,
                        int32* idb_transaction_id,
                        WebKit::WebExceptionCode* ec);
-    void OnOpen(int32 idb_database_id, int32 response_id);
+    void OnOpen(int32 idb_database_id, int32 thread_id, int32 response_id);
     void OnClose(int32 idb_database_id);
     void OnDestroyed(int32 idb_database_id);
 
     IndexedDBDispatcherHost* parent_;
     IDMap<WebKit::WebIDBDatabase, IDMapOwnPointer> map_;
     WebIDBObjectIDToURLMap database_url_map_;
   };
 
   class IndexDispatcherHost {
    public:
     explicit IndexDispatcherHost(IndexedDBDispatcherHost* parent);
     ~IndexDispatcherHost();
 
     bool OnMessageReceived(const IPC::Message& message, bool *msg_is_ok);
     void Send(IPC::Message* message);
 
     void OnName(int32 idb_index_id, string16* name);
     void OnStoreName(int32 idb_index_id, string16* store_name);
     void OnKeyPath(int32 idb_index_id, NullableString16* key_path);
     void OnUnique(int32 idb_index_id, bool* unique);
     void OnOpenObjectCursor(
         const IndexedDBHostMsg_IndexOpenCursor_Params& params,
         WebKit::WebExceptionCode* ec);
     void OnOpenKeyCursor(const IndexedDBHostMsg_IndexOpenCursor_Params& params,
                          WebKit::WebExceptionCode* ec);
     void OnGetObject(int idb_index_id,
+                     int32 thread_id,
                      int32 response_id,
                      const IndexedDBKey& key,
                      int32 transaction_id,
                      WebKit::WebExceptionCode* ec);
     void OnGetKey(int idb_index_id,
+                  int32 thread_id,
                   int32 response_id,
                   const IndexedDBKey& key,
                   int32 transaction_id,
                   WebKit::WebExceptionCode* ec);
     void OnDestroyed(int32 idb_index_id);
 
     IndexedDBDispatcherHost* parent_;
     IDMap<WebKit::WebIDBIndex, IDMapOwnPointer> map_;
   };
 
   class ObjectStoreDispatcherHost {
    public:
     explicit ObjectStoreDispatcherHost(IndexedDBDispatcherHost* parent);
     ~ObjectStoreDispatcherHost();
 
     bool OnMessageReceived(const IPC::Message& message, bool *msg_is_ok);
     void Send(IPC::Message* message);
 
     void OnName(int32 idb_object_store_id, string16* name);
     void OnKeyPath(int32 idb_object_store_id, NullableString16* keyPath);
     void OnIndexNames(int32 idb_object_store_id,
                       std::vector<string16>* index_names);
     void OnGet(int idb_object_store_id,
+               int32 thread_id,
                int32 response_id,
                const IndexedDBKey& key,
                int32 transaction_id,
                WebKit::WebExceptionCode* ec);
     void OnPut(const IndexedDBHostMsg_ObjectStorePut_Params& params,
                WebKit::WebExceptionCode* ec);
     void OnDelete(int idb_object_store_id,
+                  int32 thread_id,
                   int32 response_id,
                   const IndexedDBKey& key,
                   int32 transaction_id,
                   WebKit::WebExceptionCode* ec);
     void OnClear(int idb_object_store_id,
+                 int32 thread_id,
                  int32 response_id,
                  int32 transaction_id,
                  WebKit::WebExceptionCode* ec);
     void OnCreateIndex(
         const IndexedDBHostMsg_ObjectStoreCreateIndex_Params& params,
         int32* index_id,
         WebKit::WebExceptionCode* ec);
     void OnIndex(int32 idb_object_store_id,
                  const string16& name,
                  int32* idb_index_id,
@@ skipping 18 matching lines @@
 
     bool OnMessageReceived(const IPC::Message& message, bool *msg_is_ok);
     void Send(IPC::Message* message);
 
     void OnDirection(int32 idb_object_store_id, int32* direction);
     void OnKey(int32 idb_object_store_id, IndexedDBKey* key);
     void OnPrimaryKey(int32 idb_object_store_id, IndexedDBKey* primary_key);
     void OnValue(int32 idb_object_store_id,
                  content::SerializedScriptValue* script_value);
     void OnUpdate(int32 idb_object_store_id,
+                  int32 thread_id,
                   int32 response_id,
                   const content::SerializedScriptValue& value,
                   WebKit::WebExceptionCode* ec);
     void OnContinue(int32 idb_object_store_id,
+                    int32 thread_id,
                     int32 response_id,
                     const IndexedDBKey& key,
                     WebKit::WebExceptionCode* ec);
     void OnPrefetch(int32 idb_cursor_id,
+                    int32 thread_id,
                     int32 response_id,
                     int n,
                     WebKit::WebExceptionCode* ec);
     void OnPrefetchReset(int32 idb_cursor_id, int used_prefetches,
                          int unused_prefetches);
     void OnDelete(int32 idb_object_store_id,
+                  int32 thread_id,
                   int32 response_id,
                   WebKit::WebExceptionCode* ec);
     void OnDestroyed(int32 idb_cursor_id);
 
     IndexedDBDispatcherHost* parent_;
     IDMap<WebKit::WebIDBCursor, IDMapOwnPointer> map_;
   };
 
   class TransactionDispatcherHost {
    public:
@@ skipping 30 matching lines @@
   scoped_ptr<CursorDispatcherHost> cursor_dispatcher_host_;
   scoped_ptr<TransactionDispatcherHost> transaction_dispatcher_host_;
 
   // Used to dispatch messages to the correct view host.
   int process_id_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBDispatcherHost);
 };
 
 #endif  // CONTENT_BROWSER_IN_PROCESS_WEBKIT_INDEXED_DB_DISPATCHER_HOST_H_