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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 #include "platform/heap/Handle.h"
     43 
     44 namespace WebCore {
     45 
     46 // static
     47 EntryHeapVector HTMLInputElementFileSystem::webkitEntries(ExecutionContext* executionContext, HTMLInputElement& input)
     48 {
     49     EntryHeapVector entries;
     50     FileList* files = input.files();
     51 
     52     if (!files)
     53         return entries;
     54 
     55     DOMFileSystem* filesystem = DOMFileSystem::createIsolatedFileSystem(executionContext, input.droppedFileSystemId());
     56     if (!filesystem) {
     57         // Drag-drop isolated filesystem is not available.
     58         return entries;
     59     }
     60 
     61     for (unsigned i = 0; i < files->length(); ++i) {
     62         File* file = files->item(i);
     63 
     64         // FIXME: This involves synchronous file operation.
     65         FileMetadata metadata;
     66         if (!getFileMetadata(file->path(), metadata))
     67             continue;
     68 
     69         // The dropped entries are mapped as top-level entries in the isolated filesystem.
     70         String virtualPath = DOMFilePath::append("/", file->name());
     71         if (metadata.type == FileMetadata::TypeDirectory)
     72             entries.append(DirectoryEntry::create(filesystem, virtualPath));
     73         else
     74             entries.append(FileEntry::create(filesystem, virtualPath));
     75     }
     76     return entries;
     77 }
     78 
     79 HTMLInputElementFileSystem::HTMLInputElementFileSystem()
     80 {
     81 }
     82 
     83 HTMLInputElementFileSystem::~HTMLInputElementFileSystem()
     84 {
     85 }
     86 
     87 } // namespace WebCore
     88