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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 "IDBIndexBackendProxy.h"
     28 
     29 #if ENABLE(INDEXED_DATABASE)
     30 
     31 #include "IDBCallbacks.h"
     32 #include "IDBKeyRange.h"
     33 #include "IDBTransactionBackendProxy.h"
     34 #include "WebIDBCallbacksImpl.h"
     35 #include "WebIDBDatabaseError.h"
     36 #include "WebIDBIndex.h"
     37 #include "WebIDBKey.h"
     38 #include "WebIDBKeyRange.h"
     39 
     40 using namespace WebCore;
     41 
     42 namespace WebKit {
     43 
     44 PassRefPtr<IDBIndexBackendInterface> IDBIndexBackendProxy::create(PassOwnPtr<WebIDBIndex> index)
     45 {
     46     return adoptRef(new IDBIndexBackendProxy(index));
     47 }
     48 
     49 IDBIndexBackendProxy::IDBIndexBackendProxy(PassOwnPtr<WebIDBIndex> index)
     50     : m_webIDBIndex(index)
     51 {
     52 }
     53 
     54 IDBIndexBackendProxy::~IDBIndexBackendProxy()
     55 {
     56 }
     57 
     58 String IDBIndexBackendProxy::name()
     59 {
     60     return m_webIDBIndex->name();
     61 }
     62 
     63 String IDBIndexBackendProxy::storeName()
     64 {
     65     return m_webIDBIndex->storeName();
     66 }
     67 
     68 String IDBIndexBackendProxy::keyPath()
     69 {
     70     return m_webIDBIndex->keyPath();
     71 }
     72 
     73 bool IDBIndexBackendProxy::unique()
     74 {
     75     return m_webIDBIndex->unique();
     76 }
     77 
     78 void IDBIndexBackendProxy::openCursor(PassRefPtr<IDBKeyRange> keyRange, unsigned short direction, PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
     79 {
     80     // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
     81     // all implementations of IDB interfaces are proxy objects.
     82     IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
     83     m_webIDBIndex->openObjectCursor(keyRange, direction, new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
     84 }
     85 
     86 void IDBIndexBackendProxy::openKeyCursor(PassRefPtr<IDBKeyRange> keyRange, unsigned short direction, PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
     87 {
     88     // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
     89     // all implementations of IDB interfaces are proxy objects.
     90     IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
     91     m_webIDBIndex->openKeyCursor(keyRange, direction, new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
     92 }
     93 
     94 void IDBIndexBackendProxy::get(PassRefPtr<IDBKey> key, PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
     95 {
     96     // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
     97     // all implementations of IDB interfaces are proxy objects.
     98     IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
     99     m_webIDBIndex->getObject(key, new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
    100 }
    101 
    102 void IDBIndexBackendProxy::getKey(PassRefPtr<IDBKey> key, PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
    103 {
    104     // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
    105     // all implementations of IDB interfaces are proxy objects.
    106     IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
    107     m_webIDBIndex->getKey(key, new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
    108 }
    109 
    110 } // namespace WebKit
    111 
    112 #endif // ENABLE(INDEXED_DATABASE)
    113