1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "DatabaseClient.h" 33 34 #include "core/dom/Document.h" 35 #include "core/workers/WorkerGlobalScope.h" 36 37 namespace WebCore { 38 39 DatabaseClient* DatabaseClient::from(ExecutionContext* context) 40 { 41 if (context->isDocument()) { 42 return static_cast<DatabaseClient*>(Supplement<Page>::from(toDocument(context)->page(), supplementName())); 43 } 44 ASSERT(context->isWorkerGlobalScope()); 45 return static_cast<DatabaseClient*>(Supplement<WorkerClients>::from(toWorkerGlobalScope(context)->clients(), supplementName())); 46 } 47 48 const char* DatabaseClient::supplementName() 49 { 50 return "DatabaseClient"; 51 } 52 53 void provideDatabaseClientTo(Page* page, PassOwnPtr<DatabaseClient> client) 54 { 55 page->provideSupplement(DatabaseClient::supplementName(), client); 56 } 57 58 void provideDatabaseClientToWorker(WorkerClients* workerClients, PassOwnPtr<DatabaseClient> client) 59 { 60 workerClients->provideSupplement(DatabaseClient::supplementName(), client); 61 } 62 63 } // namespace WebCore 64
