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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 "chrome/browser/ui/gtk/select_file_dialog_impl.h"
#include "base/environment.h"
#include "base/file_util.h"
#include "base/nix/xdg_util.h"
#include "base/threading/thread_restrictions.h"
#include "content/public/browser/browser_thread.h"
using content::BrowserThread;
namespace {
enum UseKdeFileDialogStatus {
UNKNOWN,
NO_KDE,
YES_KDE
};
UseKdeFileDialogStatus use_kde_ = UNKNOWN;
} // namespace
FilePath* SelectFileDialogImpl::last_saved_path_ = NULL;
FilePath* SelectFileDialogImpl::last_opened_path_ = NULL;
// static
SelectFileDialog* SelectFileDialog::Create(Listener* listener) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
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.
scoped_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) {
// 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()) {
use_kde_ = YES_KDE;
}
}
}
}
if (use_kde_ == NO_KDE)
return SelectFileDialogImpl::NewSelectFileDialogImplGTK(listener);
scoped_ptr<base::Environment> env(base::Environment::Create());
base::nix::DesktopEnvironment desktop =
base::nix::GetDesktopEnvironment(env.get());
return SelectFileDialogImpl::NewSelectFileDialogImplKDE(listener, desktop);
}
SelectFileDialogImpl::SelectFileDialogImpl(Listener* listener)
: SelectFileDialog(listener),
file_type_index_(0),
type_(SELECT_NONE) {
if (!last_saved_path_) {
last_saved_path_ = new FilePath();
last_opened_path_ = new FilePath();
}
}
SelectFileDialogImpl::~SelectFileDialogImpl() { }
void SelectFileDialogImpl::ListenerDestroyed() {
listener_ = NULL;
}
bool SelectFileDialogImpl::IsRunning(gfx::NativeWindow parent_window) const {
return parents_.find(parent_window) != parents_.end();
}
bool SelectFileDialogImpl::CallDirectoryExistsOnUIThread(const FilePath& path) {
base::ThreadRestrictions::ScopedAllowIO allow_io;
return file_util::DirectoryExists(path);
}
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