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      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 "DirectoryReaderSync.h"
     33 
     34 #if ENABLE(FILE_SYSTEM)
     35 
     36 #include "DirectoryEntry.h"
     37 #include "DirectoryEntrySync.h"
     38 #include "EntryArraySync.h"
     39 #include "EntrySync.h"
     40 #include "ExceptionCode.h"
     41 #include "FileEntrySync.h"
     42 #include "FileException.h"
     43 #include "SyncCallbackHelper.h"
     44 
     45 namespace WebCore {
     46 
     47 DirectoryReaderSync::DirectoryReaderSync(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
     48     : DirectoryReaderBase(fileSystem, fullPath)
     49 {
     50 }
     51 
     52 PassRefPtr<EntryArraySync> DirectoryReaderSync::readEntries(ExceptionCode& ec)
     53 {
     54     ec = 0;
     55     if (!m_hasMoreEntries)
     56         return EntryArraySync::create();
     57 
     58     EntriesSyncCallbackHelper helper(m_fileSystem->asyncFileSystem());
     59     if (!m_fileSystem->readDirectory(this, m_fullPath, helper.successCallback(), helper.errorCallback())) {
     60         ec = FileException::INVALID_MODIFICATION_ERR;
     61         setHasMoreEntries(false);
     62         return 0;
     63     }
     64     return helper.getResult(ec);
     65 }
     66 
     67 } // namespace
     68 
     69 #endif // ENABLE(FILE_SYSTEM)
     70