third_party/WebKit/Source/platform/FileChooser.cpp

/*
 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "platform/FileChooser.h"

namespace blink {

FileChooserClient::~FileChooserClient() {
  DiscardChooser();
}

FileChooser* FileChooserClient::NewFileChooser(
    const FileChooserSettings& settings) {
  DiscardChooser();

  chooser_ = FileChooser::Create(this, settings);
  return chooser_.Get();
}

void FileChooserClient::DiscardChooser() {
  if (chooser_)
    chooser_->DisconnectClient();
}

inline FileChooser::FileChooser(FileChooserClient* client,
                                const FileChooserSettings& settings)
    : client_(client), settings_(settings) {}

PassRefPtr<FileChooser> FileChooser::Create(
    FileChooserClient* client,
    const FileChooserSettings& settings) {
  return AdoptRef(new FileChooser(client, settings));
}

FileChooser::~FileChooser() {}

void FileChooser::ChooseFiles(const Vector<FileChooserFileInfo>& files) {
  // FIXME: This is inelegant. We should not be looking at settings here.
  Vector<String> paths;
  for (unsigned i = 0; i < files.size(); ++i)
    paths.push_back(files[i].path);
  if (settings_.selected_files == paths)
    return;

  if (client_)
    client_->FilesChosen(files);
}

Vector<String> FileChooserSettings::AcceptTypes() const {
  Vector<String> accept_types;
  accept_types.ReserveCapacity(accept_mime_types.size() +
                               accept_file_extensions.size());
  accept_types.AppendVector(accept_mime_types);
  accept_types.AppendVector(accept_file_extensions);
  return accept_types;
}

}  // namespace blink