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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 "EntrySync.h"
     33 
     34 #if ENABLE(FILE_SYSTEM)
     35 
     36 #include "DOMFilePath.h"
     37 #include "DOMFileSystemSync.h"
     38 #include "DirectoryEntry.h"
     39 #include "DirectoryEntrySync.h"
     40 #include "FileEntrySync.h"
     41 #include "FileException.h"
     42 #include "Metadata.h"
     43 #include "SyncCallbackHelper.h"
     44 
     45 namespace WebCore {
     46 
     47 PassRefPtr<EntrySync> EntrySync::create(EntryBase* entry)
     48 {
     49     if (entry->isFile())
     50         return adoptRef(new FileEntrySync(entry->m_fileSystem, entry->m_fullPath));
     51     return adoptRef(new DirectoryEntrySync(entry->m_fileSystem, entry->m_fullPath));
     52 }
     53 
     54 PassRefPtr<Metadata> EntrySync::getMetadata(ExceptionCode& ec)
     55 {
     56     ec = 0;
     57     MetadataSyncCallbackHelper helper(m_fileSystem->asyncFileSystem());
     58     if (!m_fileSystem->getMetadata(this, helper.successCallback(), helper.errorCallback())) {
     59         ec = FileException::INVALID_MODIFICATION_ERR;
     60         return 0;
     61     }
     62     return helper.getResult(ec);
     63 }
     64 
     65 PassRefPtr<EntrySync> EntrySync::moveTo(PassRefPtr<DirectoryEntrySync> parent, const String& name, ExceptionCode& ec) const
     66 {
     67     ec = 0;
     68     EntrySyncCallbackHelper helper(m_fileSystem->asyncFileSystem());
     69     if (!m_fileSystem->move(this, parent.get(), name, helper.successCallback(), helper.errorCallback())) {
     70         ec = FileException::INVALID_MODIFICATION_ERR;
     71         return 0;
     72     }
     73     return helper.getResult(ec);
     74 }
     75 
     76 PassRefPtr<EntrySync> EntrySync::copyTo(PassRefPtr<DirectoryEntrySync> parent, const String& name, ExceptionCode& ec) const
     77 {
     78     ec = 0;
     79     EntrySyncCallbackHelper helper(m_fileSystem->asyncFileSystem());
     80     if (!m_fileSystem->copy(this, parent.get(), name, helper.successCallback(), helper.errorCallback())) {
     81         ec = FileException::INVALID_MODIFICATION_ERR;
     82         return 0;
     83     }
     84     return helper.getResult(ec);
     85 }
     86 
     87 void EntrySync::remove(ExceptionCode& ec) const
     88 {
     89     ec = 0;
     90     VoidSyncCallbackHelper helper(m_fileSystem->asyncFileSystem());
     91     if (!m_fileSystem->remove(this, helper.successCallback(), helper.errorCallback())) {
     92         ec = FileException::INVALID_MODIFICATION_ERR;
     93         return;
     94     }
     95     helper.getResult(ec);
     96 }
     97 
     98 PassRefPtr<EntrySync> EntrySync::getParent() const
     99 {
    100     // Sync verion of getParent doesn't throw exceptions.
    101     String parentPath = DOMFilePath::getDirectory(fullPath());
    102     return DirectoryEntrySync::create(m_fileSystem, parentPath);
    103 }
    104 
    105 EntrySync::EntrySync(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
    106     : EntryBase(fileSystem, fullPath)
    107 {
    108 }
    109 
    110 }
    111 
    112 #endif // ENABLE(FILE_SYSTEM)
    113