| /* |
| * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "FileInputType.h" |
| |
| #include "Event.h" |
| #include "File.h" |
| #include "FileList.h" |
| #include "FileSystem.h" |
| #include "FormDataList.h" |
| #include "HTMLInputElement.h" |
| #include "HTMLNames.h" |
| #include "LocalizedStrings.h" |
| #include "RenderFileUploadControl.h" |
| #include <wtf/PassOwnPtr.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| inline FileInputType::FileInputType(HTMLInputElement* element) |
| : BaseButtonInputType(element) |
| , m_fileList(FileList::create()) |
| { |
| } |
| |
| PassOwnPtr<InputType> FileInputType::create(HTMLInputElement* element) |
| { |
| return adoptPtr(new FileInputType(element)); |
| } |
| |
| const AtomicString& FileInputType::formControlType() const |
| { |
| return InputTypeNames::file(); |
| } |
| |
| bool FileInputType::appendFormData(FormDataList& encoding, bool multipart) const |
| { |
| FileList* fileList = element()->files(); |
| unsigned numFiles = fileList->length(); |
| if (!multipart) { |
| // Send only the basenames. |
| // 4.10.16.4 and 4.10.16.6 sections in HTML5. |
| |
| // Unlike the multipart case, we have no special handling for the empty |
| // fileList because Netscape doesn't support for non-multipart |
| // submission of file inputs, and Firefox doesn't add "name=" query |
| // parameter. |
| for (unsigned i = 0; i < numFiles; ++i) |
| encoding.appendData(element()->name(), fileList->item(i)->fileName()); |
| return true; |
| } |
| |
| // If no filename at all is entered, return successful but empty. |
| // Null would be more logical, but Netscape posts an empty file. Argh. |
| if (!numFiles) { |
| encoding.appendBlob(element()->name(), File::create("")); |
| return true; |
| } |
| |
| for (unsigned i = 0; i < numFiles; ++i) |
| encoding.appendBlob(element()->name(), fileList->item(i)); |
| return true; |
| } |
| |
| bool FileInputType::valueMissing(const String& value) const |
| { |
| return value.isEmpty(); |
| } |
| |
| String FileInputType::valueMissingText() const |
| { |
| return element()->multiple() ? validationMessageValueMissingForMultipleFileText() : validationMessageValueMissingForFileText(); |
| } |
| |
| void FileInputType::handleDOMActivateEvent(Event* event) |
| { |
| if (element()->disabled() || !element()->renderer()) |
| return; |
| toRenderFileUploadControl(element()->renderer())->click(); |
| event->setDefaultHandled(); |
| } |
| |
| RenderObject* FileInputType::createRenderer(RenderArena* arena, RenderStyle*) const |
| { |
| return new (arena) RenderFileUploadControl(element()); |
| } |
| |
| bool FileInputType::canSetStringValue() const |
| { |
| return false; |
| } |
| |
| bool FileInputType::canChangeFromAnotherType() const |
| { |
| // Don't allow the type to be changed to file after the first type change. |
| // In other engines this might mean a JavaScript programmer could set a text |
| // field's value to something like /etc/passwd and then change it to a file input. |
| // I don't think this would actually occur in WebKit, but this rule still may be |
| // important for compatibility. |
| return false; |
| } |
| |
| FileList* FileInputType::files() |
| { |
| return m_fileList.get(); |
| } |
| |
| bool FileInputType::canSetValue(const String& value) |
| { |
| // For security reasons, we don't allow setting the filename, but we do allow clearing it. |
| // The HTML5 spec (as of the 10/24/08 working draft) says that the value attribute isn't |
| // applicable to the file upload control at all, but for now we are keeping this behavior |
| // to avoid breaking existing websites that may be relying on this. |
| return value.isEmpty(); |
| } |
| |
| bool FileInputType::getTypeSpecificValue(String& value) |
| { |
| if (m_fileList->isEmpty()) { |
| value = String(); |
| return true; |
| } |
| |
| // HTML5 tells us that we're supposed to use this goofy value for |
| // file input controls. Historically, browsers revealed the real |
| // file path, but that's a privacy problem. Code on the web |
| // decided to try to parse the value by looking for backslashes |
| // (because that's what Windows file paths use). To be compatible |
| // with that code, we make up a fake path for the file. |
| value = "C:\\fakepath\\" + m_fileList->item(0)->fileName(); |
| return true; |
| } |
| |
| bool FileInputType::storesValueSeparateFromAttribute() |
| { |
| return true; |
| } |
| |
| void FileInputType::setFileList(const Vector<String>& paths) |
| { |
| m_fileList->clear(); |
| size_t size = paths.size(); |
| |
| #if ENABLE(DIRECTORY_UPLOAD) |
| // If a directory is being selected, the UI allows a directory to be chosen |
| // and the paths provided here share a root directory somewhere up the tree; |
| // we want to store only the relative paths from that point. |
| if (size && element()->fastHasAttribute(webkitdirectoryAttr)) { |
| // Find the common root path. |
| String rootPath = directoryName(paths[0]); |
| for (size_t i = 1; i < size; i++) { |
| while (!paths[i].startsWith(rootPath)) |
| rootPath = directoryName(rootPath); |
| } |
| rootPath = directoryName(rootPath); |
| ASSERT(rootPath.length()); |
| for (size_t i = 0; i < size; i++) { |
| // Normalize backslashes to slashes before exposing the relative path to script. |
| String relativePath = paths[i].substring(1 + rootPath.length()).replace('\\', '/'); |
| m_fileList->append(File::create(relativePath, paths[i])); |
| } |
| return; |
| } |
| #endif |
| |
| for (size_t i = 0; i < size; i++) |
| m_fileList->append(File::create(paths[i])); |
| } |
| |
| bool FileInputType::isFileUpload() const |
| { |
| return true; |
| } |
| |
| } // namespace WebCore |