1 /* 2 * Copyright (C) 2010 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 "DatabaseObserver.h" 33 34 #if ENABLE(DATABASE) 35 36 #include "AbstractDatabase.h" 37 #include "Document.h" 38 #include "ScriptExecutionContext.h" 39 #include "WebDatabase.h" 40 #include "WebDatabaseObserver.h" 41 #include "WebFrameClient.h" 42 #include "WebFrameImpl.h" 43 #include "WebSecurityOrigin.h" 44 #include "WebWorkerImpl.h" 45 #include "WorkerContext.h" 46 #include "WorkerThread.h" 47 48 using namespace WebKit; 49 50 namespace WebCore { 51 52 bool DatabaseObserver::canEstablishDatabase(ScriptExecutionContext* scriptExecutionContext, const String& name, const String& displayName, unsigned long estimatedSize) 53 { 54 ASSERT(scriptExecutionContext->isContextThread()); 55 ASSERT(scriptExecutionContext->isDocument() || scriptExecutionContext->isWorkerContext()); 56 if (scriptExecutionContext->isDocument()) { 57 Document* document = static_cast<Document*>(scriptExecutionContext); 58 WebFrameImpl* webFrame = WebFrameImpl::fromFrame(document->frame()); 59 return webFrame->client()->allowDatabase(webFrame, name, displayName, estimatedSize); 60 } else { 61 WorkerContext* workerContext = static_cast<WorkerContext*>(scriptExecutionContext); 62 WorkerLoaderProxy* workerLoaderProxy = &workerContext->thread()->workerLoaderProxy(); 63 WebWorkerBase* webWorker = static_cast<WebWorkerBase*>(workerLoaderProxy); 64 return webWorker->allowDatabase(0, name, displayName, estimatedSize); 65 } 66 67 return true; 68 } 69 70 void DatabaseObserver::databaseOpened(AbstractDatabase* database) 71 { 72 ASSERT(database->scriptExecutionContext()->isContextThread()); 73 WebDatabase::observer()->databaseOpened(WebDatabase(database)); 74 } 75 76 void DatabaseObserver::databaseModified(AbstractDatabase* database) 77 { 78 ASSERT(database->scriptExecutionContext()->isContextThread()); 79 WebDatabase::observer()->databaseModified(WebDatabase(database)); 80 } 81 82 void DatabaseObserver::databaseClosed(AbstractDatabase* database) 83 { 84 ASSERT(database->scriptExecutionContext()->isContextThread()); 85 WebDatabase::observer()->databaseClosed(WebDatabase(database)); 86 } 87 88 } // namespace WebCore 89 90 #endif // ENABLE(DATABASE) 91
