1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 //
5 // This file implements common select dialog functionality between GTK and KDE.
6
7 #include "ui/shell_dialogs/gtk/select_file_dialog_impl.h"
8
9 #include "base/environment.h"
10 #include "base/file_util.h"
11 #include "base/nix/xdg_util.h"
12 #include "base/threading/thread_restrictions.h"
13
14 namespace {
15
16 enum UseKdeFileDialogStatus {
17 UNKNOWN,
18 NO_KDE,
19 YES_KDE
20 };
21
22 UseKdeFileDialogStatus use_kde_ = UNKNOWN;
23
24 } // namespace
25
26 namespace ui {
27
28 base::FilePath* SelectFileDialogImpl::last_saved_path_ = NULL;
29 base::FilePath* SelectFileDialogImpl::last_opened_path_ = NULL;
30
31 // static
CreateLinuxSelectFileDialog(SelectFileDialog::Listener * listener,SelectFilePolicy * policy)32 SelectFileDialog* CreateLinuxSelectFileDialog(
33 SelectFileDialog::Listener* listener,
34 SelectFilePolicy* policy) {
35 if (use_kde_ == UNKNOWN) {
36 // Start out assumimg we are not going to use KDE.
37 use_kde_ = NO_KDE;
38
39 // Check to see if KDE is the desktop environment.
40 scoped_ptr<base::Environment> env(base::Environment::Create());
41 base::nix::DesktopEnvironment desktop =
42 base::nix::GetDesktopEnvironment(env.get());
43 if (desktop == base::nix::DESKTOP_ENVIRONMENT_KDE3 ||
44 desktop == base::nix::DESKTOP_ENVIRONMENT_KDE4) {
45 // Check to see if the user dislikes the KDE file dialog.
46 if (!env->HasVar("NO_CHROME_KDE_FILE_DIALOG")) {
47 // Check to see if the KDE dialog works.
48 if (SelectFileDialogImpl::CheckKDEDialogWorksOnUIThread()) {
49 use_kde_ = YES_KDE;
50 }
51 }
52 }
53 }
54
55 if (use_kde_ == NO_KDE)
56 return SelectFileDialogImpl::NewSelectFileDialogImplGTK(listener, policy);
57
58 scoped_ptr<base::Environment> env(base::Environment::Create());
59 base::nix::DesktopEnvironment desktop =
60 base::nix::GetDesktopEnvironment(env.get());
61 return SelectFileDialogImpl::NewSelectFileDialogImplKDE(
62 listener, policy, desktop);
63 }
64
SelectFileDialogImpl(Listener * listener,ui::SelectFilePolicy * policy)65 SelectFileDialogImpl::SelectFileDialogImpl(Listener* listener,
66 ui::SelectFilePolicy* policy)
67 : SelectFileDialog(listener, policy),
68 file_type_index_(0),
69 type_(SELECT_NONE) {
70 if (!last_saved_path_) {
71 last_saved_path_ = new base::FilePath();
72 last_opened_path_ = new base::FilePath();
73 }
74 }
75
~SelectFileDialogImpl()76 SelectFileDialogImpl::~SelectFileDialogImpl() { }
77
ListenerDestroyed()78 void SelectFileDialogImpl::ListenerDestroyed() {
79 listener_ = NULL;
80 }
81
IsRunning(gfx::NativeWindow parent_window) const82 bool SelectFileDialogImpl::IsRunning(gfx::NativeWindow parent_window) const {
83 return parents_.find(parent_window) != parents_.end();
84 }
85
CallDirectoryExistsOnUIThread(const base::FilePath & path)86 bool SelectFileDialogImpl::CallDirectoryExistsOnUIThread(
87 const base::FilePath& path) {
88 base::ThreadRestrictions::ScopedAllowIO allow_io;
89 return base::DirectoryExists(path);
90 }
91
92 } // namespace ui
93