[IndexedDB] Propogating changes to observers : Renderer

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 <stdint.h>
 
 #include <map>
@@ skipping 14 matching lines @@
 #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_DatabaseGetAll_Params;
+struct IndexedDBHostMsg_DatabaseObserve_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;
+struct IndexedDBMsg_Observation;
+struct IndexedDBMsg_ObserverChanges;
 
 namespace url {
 class Origin;
 }
 
 namespace content {
 class IndexedDBBlobInfo;
 class IndexedDBConnection;
 class IndexedDBContextImpl;
 class IndexedDBCursor;
 class IndexedDBKey;
 class IndexedDBKeyPath;
 class IndexedDBKeyRange;
+class IndexedDBObservation;
+class IndexedDBObserverChanges;
 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,
                           net::URLRequestContextGetter* request_context_getter,
                           IndexedDBContextImpl* indexed_db_context,
                           ChromeBlobStorageContext* blob_storage_context);
   IndexedDBDispatcherHost(int ipc_process_id,
                           net::URLRequestContext* request_context,
                           IndexedDBContextImpl* indexed_db_context,
                           ChromeBlobStorageContext* blob_storage_context);
 
   static ::IndexedDBDatabaseMetadata ConvertMetadata(
       const content::IndexedDBDatabaseMetadata& metadata);
+  static IndexedDBMsg_ObserverChanges ConvertObserverChanges(
+      std::unique_ptr<IndexedDBObserverChanges> changes);
+  static IndexedDBMsg_Observation ConvertObservation(
+      const IndexedDBObservation* observation);
 
   // BrowserMessageFilter implementation.
   void OnChannelConnected(int32_t peer_pid) override;
   void OnChannelClosing() override;
   void OnDestruct() const override;
   base::TaskRunner* OverrideTaskRunnerForMessage(
       const IPC::Message& message) override;
   bool OnMessageReceived(const IPC::Message& message) override;
 
   void FinishTransaction(int64_t host_transaction_id, bool committed);
@@ skipping 86 matching lines @@
         const IndexedDBHostMsg_DatabaseCreateObjectStore_Params& params);
     void OnDeleteObjectStore(int32_t ipc_database_id,
                              int64_t transaction_id,
                              int64_t object_store_id);
     void OnCreateTransaction(
         const IndexedDBHostMsg_DatabaseCreateTransaction_Params&);
     void OnClose(int32_t ipc_database_id);
     void OnVersionChangeIgnored(int32_t ipc_database_id);
     void OnDestroyed(int32_t ipc_database_id);
 
-    void OnObserve(int32_t ipc_database_id,
-                   int64_t transaction_id,
-                   int32_t observer_id);
+    void OnObserve(const IndexedDBHostMsg_DatabaseObserve_Params&);
     void OnUnobserve(int32_t ipc_database_id,
                      const std::vector<int32_t>& observer_ids_to_remove);
 
     void OnGet(const IndexedDBHostMsg_DatabaseGet_Params& params);
     void OnGetAll(const IndexedDBHostMsg_DatabaseGetAll_Params& params);
     // OnPutWrapper starts on the IO thread so that it can grab BlobDataHandles
     // before posting to the IDB TaskRunner for the rest of the job.
     void OnPutWrapper(const IndexedDBHostMsg_DatabasePut_Params& params);
     void OnPut(const IndexedDBHostMsg_DatabasePut_Params& params,
                std::vector<storage::BlobDataHandle*> handles);
@@ skipping 118 matching lines @@
 
   // Used to set file permissions for blob storage.
   int ipc_process_id_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DISPATCHER_HOST_H_