[IndexedDB] Propogating Changes to Observer : Browser

content/browser/indexed_db/indexed_db_database.h

 // Copyright (c) 2013 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_DATABASE_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <list>
 #include <map>
 #include <memory>
 #include <queue>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "content/browser/indexed_db/indexed_db.h"
 #include "content/browser/indexed_db/indexed_db_backing_store.h"
 #include "content/browser/indexed_db/indexed_db_callbacks.h"
 #include "content/browser/indexed_db/indexed_db_metadata.h"
+#include "content/browser/indexed_db/indexed_db_observer.h"
 #include "content/browser/indexed_db/indexed_db_pending_connection.h"
 #include "content/browser/indexed_db/indexed_db_transaction_coordinator.h"
 #include "content/browser/indexed_db/list_set.h"
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBTypes.h"
 
 namespace url {
 class Origin;
 }
 
 namespace content {
 
 class IndexedDBBlobInfo;
 class IndexedDBConnection;
 class IndexedDBDatabaseCallbacks;
 class IndexedDBFactory;
 class IndexedDBKey;
 class IndexedDBKeyPath;
 class IndexedDBKeyRange;
+class IndexedDBObservation;
+class IndexedDBObserverChanges;
 class IndexedDBTransaction;
 struct IndexedDBValue;
 
 class CONTENT_EXPORT IndexedDBDatabase
     : NON_EXPORTED_BASE(public base::RefCounted<IndexedDBDatabase>) {
  public:
   // An index and corresponding set of keys
   using IndexKeys = std::pair<int64_t, std::vector<IndexedDBKey>>;
 
   // Identifier is pair of (origin, database name).
@@ skipping 67 matching lines @@
   const IndexedDBTransactionCoordinator& transaction_coordinator() const {
     return transaction_coordinator_;
   }
 
   void TransactionCreated(IndexedDBTransaction* transaction);
   void TransactionFinished(IndexedDBTransaction* transaction, bool committed);
 
   // Called by transactions to report failure committing to the backing store.
   void TransactionCommitFailed(const leveldb::Status& status);
 
-  void AddPendingObserver(int64_t transaction_id, int32_t observer_id);
+  void AddPendingObserver(int64_t transaction_id,
+                          int32_t observer_id,
+                          IndexedDBObserver::Options options);
   void RemovePendingObservers(IndexedDBConnection* connection,
                               const std::vector<int32_t>& pending_observer_ids);
 
+  void FilterObservation(IndexedDBTransaction*,
+                         int64_t object_store_id,
+                         blink::WebIDBOperationType type,
+                         const IndexedDBKeyRange& key_range);
+  void SendObservations(
+      std::map<int32_t, std::unique_ptr<IndexedDBObserverChanges>> change_map);
+
   void Get(int64_t transaction_id,
            int64_t object_store_id,
            int64_t index_id,
            std::unique_ptr<IndexedDBKeyRange> key_range,
            bool key_only,
            scoped_refptr<IndexedDBCallbacks> callbacks);
   void GetAll(int64_t transaction_id,
               int64_t object_store_id,
               int64_t index_id,
               std::unique_ptr<IndexedDBKeyRange> key_range,
@@ skipping 176 matching lines @@
   bool processing_pending_requests_ = false;
 
   bool experimental_web_platform_features_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBDatabase);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_H_