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 DirectoryReader_h 32 #define DirectoryReader_h 33 34 #include "bindings/core/v8/ScriptWrappable.h" 35 #include "modules/filesystem/DOMFileSystem.h" 36 #include "modules/filesystem/DirectoryReaderBase.h" 37 #include "modules/filesystem/EntriesCallback.h" 38 #include "platform/heap/Handle.h" 39 #include "wtf/text/WTFString.h" 40 41 namespace blink { 42 43 class ErrorCallback; 44 45 class DirectoryReader : public DirectoryReaderBase, public ScriptWrappable { 46 DEFINE_WRAPPERTYPEINFO(); 47 public: create(DOMFileSystemBase * fileSystem,const String & fullPath)48 static DirectoryReader* create(DOMFileSystemBase* fileSystem, const String& fullPath) 49 { 50 return new DirectoryReader(fileSystem, fullPath); 51 } 52 53 virtual ~DirectoryReader(); 54 55 void readEntries(EntriesCallback*, ErrorCallback* = nullptr); 56 filesystem()57 DOMFileSystem* filesystem() const { return static_cast<DOMFileSystem*>(m_fileSystem.get()); } 58 59 virtual void trace(Visitor*) OVERRIDE; 60 61 private: 62 class EntriesCallbackHelper; 63 class ErrorCallbackHelper; 64 65 DirectoryReader(DOMFileSystemBase*, const String& fullPath); 66 67 void addEntries(const EntryHeapVector& entries); 68 69 void onError(FileError*); 70 71 bool m_isReading; 72 EntryHeapVector m_entries; 73 RefPtrWillBeMember<FileError> m_error; 74 Member<EntriesCallback> m_entriesCallback; 75 Member<ErrorCallback> m_errorCallback; 76 }; 77 78 } // namespace blink 79 80 #endif // DirectoryReader_h 81