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      1 /*
      2  * Copyright (C) 2011 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
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "IDBTransactionBackendProxy.h"
     28 
     29 #if ENABLE(INDEXED_DATABASE)
     30 
     31 #include "IDBObjectStoreBackendProxy.h"
     32 #include "IDBTransactionCallbacks.h"
     33 #include "WebIDBDatabaseError.h"
     34 #include "WebIDBObjectStore.h"
     35 #include "WebIDBTransaction.h"
     36 #include "WebIDBTransactionCallbacksImpl.h"
     37 
     38 using namespace WebCore;
     39 
     40 namespace WebKit {
     41 
     42 PassRefPtr<IDBTransactionBackendInterface> IDBTransactionBackendProxy::create(PassOwnPtr<WebIDBTransaction> transaction)
     43 {
     44     return adoptRef(new IDBTransactionBackendProxy(transaction));
     45 }
     46 
     47 IDBTransactionBackendProxy::IDBTransactionBackendProxy(PassOwnPtr<WebIDBTransaction> transaction)
     48     : m_webIDBTransaction(transaction)
     49 {
     50     ASSERT(m_webIDBTransaction);
     51 }
     52 
     53 IDBTransactionBackendProxy::~IDBTransactionBackendProxy()
     54 {
     55 }
     56 
     57 PassRefPtr<IDBObjectStoreBackendInterface> IDBTransactionBackendProxy::objectStore(const String& name, ExceptionCode& ec)
     58 {
     59     WebIDBObjectStore* objectStore = m_webIDBTransaction->objectStore(name, ec);
     60     if (!objectStore)
     61         return 0;
     62     return IDBObjectStoreBackendProxy::create(objectStore);
     63 }
     64 
     65 unsigned short IDBTransactionBackendProxy::mode() const
     66 {
     67     return m_webIDBTransaction->mode();
     68 }
     69 
     70 void IDBTransactionBackendProxy::abort()
     71 {
     72     m_webIDBTransaction->abort();
     73 }
     74 
     75 bool IDBTransactionBackendProxy::scheduleTask(PassOwnPtr<ScriptExecutionContext::Task>, PassOwnPtr<ScriptExecutionContext::Task>)
     76 {
     77     // This should never be reached as it's the impl objects who get to
     78     // execute tasks in the browser process.
     79     ASSERT_NOT_REACHED();
     80     return false;
     81 }
     82 
     83 void IDBTransactionBackendProxy::didCompleteTaskEvents()
     84 {
     85     m_webIDBTransaction->didCompleteTaskEvents();
     86 }
     87 
     88 void IDBTransactionBackendProxy::setCallbacks(IDBTransactionCallbacks* callbacks)
     89 {
     90     m_webIDBTransaction->setCallbacks(new WebIDBTransactionCallbacksImpl(callbacks));
     91 }
     92 
     93 } // namespace WebKit
     94 
     95 #endif // ENABLE(INDEXED_DATABASE)
     96