| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_INDEXEDDB_IDB_DATABASE_CALLBACKS_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_INDEXEDDB_IDB_DATABASE_CALLBACKS_H_ |
| |
| #include "third_party/blink/renderer/modules/indexeddb/web_idb_database_callbacks.h" |
| #include "third_party/blink/renderer/modules/modules_export.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| |
| #include <unordered_map> |
| |
| namespace blink { |
| |
| class DOMException; |
| class IDBDatabase; |
| struct WebIDBObservation; |
| |
| class MODULES_EXPORT IDBDatabaseCallbacks |
| : public GarbageCollectedFinalized<IDBDatabaseCallbacks> { |
| public: |
| static IDBDatabaseCallbacks* Create(); |
| |
| IDBDatabaseCallbacks(); |
| virtual ~IDBDatabaseCallbacks(); |
| void Trace(blink::Visitor*); |
| |
| // IDBDatabaseCallbacks |
| virtual void OnForcedClose(); |
| virtual void OnVersionChange(int64_t old_version, int64_t new_version); |
| |
| virtual void OnAbort(int64_t transaction_id, DOMException*); |
| virtual void OnComplete(int64_t transaction_id); |
| virtual void OnChanges( |
| const WebIDBDatabaseCallbacks::ObservationIndexMap&, |
| Vector<WebIDBObservation> observations, |
| const WebIDBDatabaseCallbacks::TransactionMap& transactions); |
| |
| void Connect(IDBDatabase*); |
| |
| // Returns a new WebIDBDatabaseCallbacks for this object. Must only be |
| // called once. |
| std::unique_ptr<WebIDBDatabaseCallbacks> CreateWebCallbacks(); |
| void DetachWebCallbacks(); |
| void WebCallbacksDestroyed(); |
| |
| private: |
| // The initial IDBOpenDBRequest, final IDBDatabase, and/or |
| // WebIDBDatabaseCallbacks have strong references to an IDBDatabaseCallbacks |
| // object. |
| // Oilpan: We'd like to delete an IDBDatabase object by a |
| // GC. WebIDBDatabaseCallbacks can survive the GC, and IDBDatabaseCallbacks |
| // can survive too. |database_| should be a weak reference to avoid that an |
| // IDBDatabase survives the GC with the IDBDatabaseCallbacks. |
| WeakMember<IDBDatabase> database_; |
| |
| // Pointer back to the WebIDBDatabaseCallbacks that holds a persistent |
| // reference to this object. |
| WebIDBDatabaseCallbacks* web_callbacks_ = nullptr; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_INDEXEDDB_IDB_DATABASE_CALLBACKS_H_ |