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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.
#include "ui/gtk/select_file_dialog_impl.h"
#include "base/environment.h"
#include "base/files/file_util.h"
#include "base/nix/xdg_util.h"
#include "base/no_destructor.h"
#include "base/threading/thread_restrictions.h"
namespace {
enum UseKdeFileDialogStatus { UNKNOWN, NO_KDE, YES_KDE };
UseKdeFileDialogStatus use_kde_ = UNKNOWN;
std::string& KDialogVersion() {
static base::NoDestructor<std::string> version;
return *version;
}
} // namespace
namespace gtk {
base::FilePath* SelectFileDialogImpl::last_saved_path_ = nullptr;
base::FilePath* SelectFileDialogImpl::last_opened_path_ = nullptr;
// static
ui::SelectFileDialog* SelectFileDialogImpl::Create(
ui::SelectFileDialog::Listener* listener,
std::unique_ptr<ui::SelectFilePolicy> policy) {
if (use_kde_ == UNKNOWN) {
// Start out assumimg we are not going to use KDE.
use_kde_ = NO_KDE;
// Check to see if KDE is the desktop environment.
std::unique_ptr<base::Environment> env(base::Environment::Create());
base::nix::DesktopEnvironment desktop =
base::nix::GetDesktopEnvironment(env.get());
if (desktop == base::nix::DESKTOP_ENVIRONMENT_KDE3 ||
desktop == base::nix::DESKTOP_ENVIRONMENT_KDE4 ||
desktop == base::nix::DESKTOP_ENVIRONMENT_KDE5) {
// Check to see if the user dislikes the KDE file dialog.
if (!env->HasVar("NO_CHROME_KDE_FILE_DIALOG")) {
// Check to see if the KDE dialog works.
if (SelectFileDialogImpl::CheckKDEDialogWorksOnUIThread(
KDialogVersion())) {
use_kde_ = YES_KDE;
}
}
}
}
if (use_kde_ == NO_KDE) {
return SelectFileDialogImpl::NewSelectFileDialogImplGTK(listener,
std::move(policy));
}
std::unique_ptr<base::Environment> env(base::Environment::Create());
base::nix::DesktopEnvironment desktop =
base::nix::GetDesktopEnvironment(env.get());
return SelectFileDialogImpl::NewSelectFileDialogImplKDE(
listener, std::move(policy), desktop, KDialogVersion());
}
SelectFileDialogImpl::SelectFileDialogImpl(
Listener* listener,
std::unique_ptr<ui::SelectFilePolicy> policy)
: SelectFileDialog(listener, std::move(policy)),
file_type_index_(0),
type_(SELECT_NONE) {
if (!last_saved_path_) {
last_saved_path_ = new base::FilePath();
last_opened_path_ = new base::FilePath();
}
}
SelectFileDialogImpl::~SelectFileDialogImpl() {}
void SelectFileDialogImpl::ListenerDestroyed() {
listener_ = nullptr;
}
bool SelectFileDialogImpl::CallDirectoryExistsOnUIThread(
const base::FilePath& path) {
base::ThreadRestrictions::ScopedAllowIO allow_io;
return base::DirectoryExists(path);
}
} // namespace gtk
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