text: /*
   * 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.
   */
  
  #include "modules/indexeddb/WebIDBDatabaseCallbacksImpl.h"
  
  #include "core/dom/DOMException.h"
  #include "wtf/PtrUtil.h"
  
  #include <memory>
  
  namespace blink {
  
  // static
  std::unique_ptr<WebIDBDatabaseCallbacksImpl>
  WebIDBDatabaseCallbacksImpl::create(IDBDatabaseCallbacks* callbacks) {
    return WTF::wrapUnique(new WebIDBDatabaseCallbacksImpl(callbacks));
  }
  
  WebIDBDatabaseCallbacksImpl::WebIDBDatabaseCallbacksImpl(
      IDBDatabaseCallbacks* callbacks)
      : m_callbacks(callbacks) {}
  
  WebIDBDatabaseCallbacksImpl::~WebIDBDatabaseCallbacksImpl() {
    if (m_callbacks)
      m_callbacks->webCallbacksDestroyed();
  }
  
  void WebIDBDatabaseCallbacksImpl::onForcedClose() {
    if (m_callbacks)
      m_callbacks->onForcedClose();
  }
  
  void WebIDBDatabaseCallbacksImpl::onVersionChange(long long oldVersion,
                                                    long long newVersion) {
    if (m_callbacks)
      m_callbacks->onVersionChange(oldVersion, newVersion);
  }
  
  void WebIDBDatabaseCallbacksImpl::onAbort(long long transactionId,
                                            const WebIDBDatabaseError& error) {
    if (m_callbacks) {
      m_callbacks->onAbort(transactionId,
                           DOMException::create(error.code(), error.message()));
    }
  }
  
  void WebIDBDatabaseCallbacksImpl::onComplete(long long transactionId) {
    if (m_callbacks)
      m_callbacks->onComplete(transactionId);
  }
  
  void WebIDBDatabaseCallbacksImpl::onChanges(
      const std::unordered_map<int32_t, std::vector<int32_t>>&
          observation_index_map,
      const WebVector<WebIDBObservation>& observations,
      const IDBDatabaseCallbacks::TransactionMap& transactions) {
    if (m_callbacks)
      m_callbacks->onChanges(observation_index_map, observations, transactions);
  }
  
  void WebIDBDatabaseCallbacksImpl::detach() {
    m_callbacks.clear();
  }
  
  }  // namespace blink
  