Home | History | Annotate | Download | only in src 
      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 "WebIDBDatabaseImpl.h"
     28 
     29 #if ENABLE(INDEXED_DATABASE)
     30 
     31 #include "DOMStringList.h"
     32 #include "IDBCallbacksProxy.h"
     33 #include "IDBDatabaseBackendInterface.h"
     34 #include "IDBDatabaseCallbacksProxy.h"
     35 #include "IDBTransactionBackendInterface.h"
     36 #include "WebIDBCallbacks.h"
     37 #include "WebIDBDatabaseCallbacks.h"
     38 #include "WebIDBObjectStoreImpl.h"
     39 #include "WebIDBTransactionImpl.h"
     40 
     41 using namespace WebCore;
     42 
     43 namespace WebKit {
     44 
     45 WebIDBDatabaseImpl::WebIDBDatabaseImpl(PassRefPtr<IDBDatabaseBackendInterface> databaseBackend)
     46     : m_databaseBackend(databaseBackend)
     47 {
     48 }
     49 
     50 WebIDBDatabaseImpl::~WebIDBDatabaseImpl()
     51 {
     52 }
     53 
     54 WebString WebIDBDatabaseImpl::name() const
     55 {
     56     return m_databaseBackend->name();
     57 }
     58 
     59 WebString WebIDBDatabaseImpl::version() const
     60 {
     61     return m_databaseBackend->version();
     62 }
     63 
     64 WebDOMStringList WebIDBDatabaseImpl::objectStoreNames() const
     65 {
     66     return m_databaseBackend->objectStoreNames();
     67 }
     68 
     69 WebIDBObjectStore* WebIDBDatabaseImpl::createObjectStore(const WebString& name, const WebString& keyPath, bool autoIncrement, const WebIDBTransaction& transaction, WebExceptionCode& ec)
     70 {
     71     RefPtr<IDBObjectStoreBackendInterface> objectStore = m_databaseBackend->createObjectStore(name, keyPath, autoIncrement, transaction.getIDBTransactionBackendInterface(), ec);
     72     if (!objectStore) {
     73         ASSERT(ec);
     74         return 0;
     75     }
     76     return new WebIDBObjectStoreImpl(objectStore);
     77 }
     78 
     79 void WebIDBDatabaseImpl::deleteObjectStore(const WebString& name, const WebIDBTransaction& transaction, WebExceptionCode& ec)
     80 {
     81     m_databaseBackend->deleteObjectStore(name, transaction.getIDBTransactionBackendInterface(), ec);
     82 }
     83 
     84 void WebIDBDatabaseImpl::setVersion(const WebString& version, WebIDBCallbacks* callbacks, WebExceptionCode& ec)
     85 {
     86     m_databaseBackend->setVersion(version, IDBCallbacksProxy::create(callbacks), m_databaseCallbacks, ec);
     87 }
     88 
     89 WebIDBTransaction* WebIDBDatabaseImpl::transaction(const WebDOMStringList& names, unsigned short mode, WebExceptionCode& ec)
     90 {
     91     RefPtr<DOMStringList> nameList = PassRefPtr<DOMStringList>(names);
     92     RefPtr<IDBTransactionBackendInterface> transaction = m_databaseBackend->transaction(nameList.get(), mode, ec);
     93     if (!transaction) {
     94         ASSERT(ec);
     95         return 0;
     96     }
     97     return new WebIDBTransactionImpl(transaction);
     98 }
     99 
    100 void WebIDBDatabaseImpl::close()
    101 {
    102     // Use the callbacks that ::open gave us so that the backend in
    103     // multi-process chromium knows which database connection is closing.
    104     ASSERT(m_databaseCallbacks);
    105     m_databaseBackend->close(m_databaseCallbacks);
    106 }
    107 
    108 void WebIDBDatabaseImpl::open(WebIDBDatabaseCallbacks* callbacks)
    109 {
    110     ASSERT(!m_databaseCallbacks);
    111     m_databaseCallbacks = IDBDatabaseCallbacksProxy::create(callbacks);
    112     m_databaseBackend->open(m_databaseCallbacks);
    113 }
    114 
    115 } // namespace WebKit
    116 
    117 #endif // ENABLE(INDEXED_DATABASE)
    118