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      1 /*
      2  * Copyright (C) 2012 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 "modules/filesystem/HTMLInputElementFileSystem.h"
     33 
     34 #include "core/fileapi/FileList.h"
     35 #include "core/html/HTMLInputElement.h"
     36 #include "modules/filesystem/DOMFilePath.h"
     37 #include "modules/filesystem/DOMFileSystem.h"
     38 #include "modules/filesystem/DirectoryEntry.h"
     39 #include "modules/filesystem/Entry.h"
     40 #include "modules/filesystem/FileEntry.h"
     41 #include "platform/FileMetadata.h"
     42 
     43 namespace WebCore {
     44 
     45 // static
     46 EntryVector HTMLInputElementFileSystem::webkitEntries(ExecutionContext* executionContext, HTMLInputElement* input)
     47 {
     48     EntryVector entries;
     49     FileList* files = input->files();
     50 
     51     if (!files)
     52         return entries;
     53 
     54     RefPtr<DOMFileSystem> filesystem = DOMFileSystem::createIsolatedFileSystem(executionContext, input->droppedFileSystemId());
     55     if (!filesystem) {
     56         // Drag-drop isolated filesystem is not available.
     57         return entries;
     58     }
     59 
     60     for (unsigned i = 0; i < files->length(); ++i) {
     61         File* file = files->item(i);
     62 
     63         // FIXME: This involves synchronous file operation.
     64         FileMetadata metadata;
     65         if (!getFileMetadata(file->path(), metadata))
     66             continue;
     67 
     68         // The dropped entries are mapped as top-level entries in the isolated filesystem.
     69         String virtualPath = DOMFilePath::append("/", file->name());
     70         if (metadata.type == FileMetadata::TypeDirectory)
     71             entries.append(DirectoryEntry::create(filesystem, virtualPath));
     72         else
     73             entries.append(FileEntry::create(filesystem, virtualPath));
     74     }
     75     return entries;
     76 }
     77 
     78 HTMLInputElementFileSystem::HTMLInputElementFileSystem()
     79 {
     80 }
     81 
     82 HTMLInputElementFileSystem::~HTMLInputElementFileSystem()
     83 {
     84 }
     85 
     86 } // namespace WebCore
     87