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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// This file implements common select dialog functionality between GTK and KDE.
#ifndef CHROME_BROWSER_UI_LIBGTKUI_SELECT_FILE_DIALOG_IMPL_H_
#define CHROME_BROWSER_UI_LIBGTKUI_SELECT_FILE_DIALOG_IMPL_H_
#include <stddef.h>
#include <set>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/nix/xdg_util.h"
#include "ui/aura/window.h"
#include "ui/shell_dialogs/select_file_dialog.h"
#include "ui/shell_dialogs/select_file_policy.h"
namespace libgtkui {
// Shared implementation SelectFileDialog used by SelectFileDialogImplGTK
class SelectFileDialogImpl : public ui::SelectFileDialog {
public:
// Main factory method which returns correct type.
static ui::SelectFileDialog* Create(Listener* listener,
ui::SelectFilePolicy* policy);
// Factory method for creating a GTK-styled SelectFileDialogImpl
static SelectFileDialogImpl* NewSelectFileDialogImplGTK(
Listener* listener,
ui::SelectFilePolicy* policy);
// Factory method for creating a KDE-styled SelectFileDialogImpl
static SelectFileDialogImpl* NewSelectFileDialogImplKDE(
Listener* listener,
ui::SelectFilePolicy* policy,
base::nix::DesktopEnvironment desktop);
// Returns true if the SelectFileDialog class returned by
// NewSelectFileDialogImplKDE will actually work.
static bool CheckKDEDialogWorksOnUIThread();
// BaseShellDialog implementation.
void ListenerDestroyed() override;
protected:
explicit SelectFileDialogImpl(Listener* listener,
ui::SelectFilePolicy* policy);
~SelectFileDialogImpl() override;
// SelectFileDialog implementation.
// |params| is user data we pass back via the Listener interface.
void SelectFileImpl(Type type,
const base::string16& title,
const base::FilePath& default_path,
const FileTypeInfo* file_types,
int file_type_index,
const base::FilePath::StringType& default_extension,
gfx::NativeWindow owning_window,
void* params) override = 0;
// Wrapper for base::DirectoryExists() that allow access on the UI
// thread. Use this only in the file dialog functions, where it's ok
// because the file dialog has to do many stats anyway. One more won't
// hurt too badly and it's likely already cached.
bool CallDirectoryExistsOnUIThread(const base::FilePath& path);
// The file filters.
FileTypeInfo file_types_;
// The index of the default selected file filter.
// Note: This starts from 1, not 0.
size_t file_type_index_;
// The type of dialog we are showing the user.
Type type_;
// These two variables track where the user last saved a file or opened a
// file so that we can display future dialogs with the same starting path.
static base::FilePath* last_saved_path_;
static base::FilePath* last_opened_path_;
DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImpl);
};
} // namespace libgtkui
#endif // CHROME_BROWSER_UI_LIBGTKUI_SELECT_FILE_DIALOG_IMPL_H_
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