text: /*
   * Copyright (C) 2013 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:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * 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.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
   * OWNER OR 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 "config.h"
  #include "DatabaseClient.h"
  
  #include "core/dom/Document.h"
  #include "core/inspector/InspectorController.h"
  #include "core/workers/WorkerGlobalScope.h"
  #include "modules/webdatabase/Database.h"
  #include "modules/webdatabase/InspectorDatabaseAgent.h"
  
  namespace WebCore {
  
  DatabaseClient::DatabaseClient()
      : m_inspectorAgent(0)
  { }
  
  DatabaseClient* DatabaseClient::from(ExecutionContext* context)
  {
      if (context->isDocument()) {
          return static_cast<DatabaseClient*>(WillBeHeapSupplement<Page>::from(toDocument(context)->page(), supplementName()));
      }
      ASSERT(context->isWorkerGlobalScope());
      return static_cast<DatabaseClient*>(WillBeHeapSupplement<WorkerClients>::from(toWorkerGlobalScope(context)->clients(), supplementName()));
  }
  
  const char* DatabaseClient::supplementName()
  {
      return "DatabaseClient";
  }
  
  void DatabaseClient::didOpenDatabase(PassRefPtrWillBeRawPtr<Database> database, const String& domain, const String& name, const String& version)
  {
      if (m_inspectorAgent)
          m_inspectorAgent->didOpenDatabase(database, domain, name, version);
  }
  
  void DatabaseClient::createInspectorAgentFor(Page* page)
  {
      ASSERT(!m_inspectorAgent);
      OwnPtr<InspectorDatabaseAgent> inspectorAgent = InspectorDatabaseAgent::create();
      m_inspectorAgent = inspectorAgent.get();
      page->inspectorController().registerModuleAgent(inspectorAgent.release());
  }
  
  void provideDatabaseClientTo(Page& page, PassOwnPtrWillBeRawPtr<DatabaseClient> client)
  {
      DatabaseClient* clientPtr = client.get();
      page.provideSupplement(DatabaseClient::supplementName(), client);
      clientPtr->createInspectorAgentFor(&page);
  }
  
  void provideDatabaseClientToWorker(WorkerClients* workerClients, PassOwnPtrWillBeRawPtr<DatabaseClient> client)
  {
      workerClients->provideSupplement(DatabaseClient::supplementName(), client);
  }
  
  } // namespace WebCore
  