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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 #ifndef DirectoryReaderSync_h
     32 #define DirectoryReaderSync_h
     33 
     34 #include "bindings/core/v8/ScriptWrappable.h"
     35 #include "core/fileapi/FileError.h"
     36 #include "modules/filesystem/DirectoryReaderBase.h"
     37 #include "platform/heap/Handle.h"
     38 #include "wtf/text/WTFString.h"
     39 
     40 namespace blink {
     41 
     42 class EntrySync;
     43 class ExceptionState;
     44 
     45 typedef HeapVector<Member<EntrySync> > EntrySyncHeapVector;
     46 
     47 class DirectoryReaderSync : public DirectoryReaderBase, public ScriptWrappable {
     48     DEFINE_WRAPPERTYPEINFO();
     49 public:
     50     static DirectoryReaderSync* create(DOMFileSystemBase* fileSystem, const String& fullPath)
     51     {
     52         return new DirectoryReaderSync(fileSystem, fullPath);
     53     }
     54 
     55     virtual ~DirectoryReaderSync();
     56 
     57     EntrySyncHeapVector readEntries(ExceptionState&);
     58 
     59     void addEntries(const EntrySyncHeapVector& entries)
     60     {
     61         m_entries.appendVector(entries);
     62     }
     63 
     64     void setError(FileError::ErrorCode code)
     65     {
     66         m_errorCode = code;
     67     }
     68 
     69     virtual void trace(Visitor*) OVERRIDE;
     70 
     71 private:
     72     class EntriesCallbackHelper;
     73     class ErrorCallbackHelper;
     74 
     75     DirectoryReaderSync(DOMFileSystemBase*, const String& fullPath);
     76 
     77     int m_callbacksId;
     78     EntrySyncHeapVector m_entries;
     79     FileError::ErrorCode m_errorCode;
     80 };
     81 
     82 } // namespace blink
     83 
     84 #endif // DirectoryReaderSync_h
     85