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1 // Copyright (c) 2012 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 #ifndef CHROME_BROWSER_UI_LIBGTK2UI_SELECT_FILE_DIALOG_IMPL_H_ | |
8 #define CHROME_BROWSER_UI_LIBGTK2UI_SELECT_FILE_DIALOG_IMPL_H_ | |
9 | |
10 #include <stddef.h> | |
11 | |
12 #include <set> | |
13 | |
14 #include "base/compiler_specific.h" | |
15 #include "base/macros.h" | |
16 #include "base/nix/xdg_util.h" | |
17 #include "ui/aura/window.h" | |
18 #include "ui/shell_dialogs/select_file_dialog.h" | |
19 #include "ui/shell_dialogs/select_file_policy.h" | |
20 | |
21 namespace libgtk2ui { | |
22 | |
23 // Shared implementation SelectFileDialog used by SelectFileDialogImplGTK | |
24 class SelectFileDialogImpl : public ui::SelectFileDialog { | |
25 public: | |
26 // Main factory method which returns correct type. | |
27 static ui::SelectFileDialog* Create(Listener* listener, | |
28 ui::SelectFilePolicy* policy); | |
29 | |
30 // Factory method for creating a GTK-styled SelectFileDialogImpl | |
31 static SelectFileDialogImpl* NewSelectFileDialogImplGTK( | |
32 Listener* listener, | |
33 ui::SelectFilePolicy* policy); | |
34 // Factory method for creating a KDE-styled SelectFileDialogImpl | |
35 static SelectFileDialogImpl* NewSelectFileDialogImplKDE( | |
36 Listener* listener, | |
37 ui::SelectFilePolicy* policy, | |
38 base::nix::DesktopEnvironment desktop); | |
39 | |
40 // Returns true if the SelectFileDialog class returned by | |
41 // NewSelectFileDialogImplKDE will actually work. | |
42 static bool CheckKDEDialogWorksOnUIThread(); | |
43 | |
44 // BaseShellDialog implementation. | |
45 void ListenerDestroyed() override; | |
46 | |
47 protected: | |
48 explicit SelectFileDialogImpl(Listener* listener, | |
49 ui::SelectFilePolicy* policy); | |
50 ~SelectFileDialogImpl() override; | |
51 | |
52 // SelectFileDialog implementation. | |
53 // |params| is user data we pass back via the Listener interface. | |
54 void SelectFileImpl(Type type, | |
55 const base::string16& title, | |
56 const base::FilePath& default_path, | |
57 const FileTypeInfo* file_types, | |
58 int file_type_index, | |
59 const base::FilePath::StringType& default_extension, | |
60 gfx::NativeWindow owning_window, | |
61 void* params) override = 0; | |
62 | |
63 // Wrapper for base::DirectoryExists() that allow access on the UI | |
64 // thread. Use this only in the file dialog functions, where it's ok | |
65 // because the file dialog has to do many stats anyway. One more won't | |
66 // hurt too badly and it's likely already cached. | |
67 bool CallDirectoryExistsOnUIThread(const base::FilePath& path); | |
68 | |
69 // The file filters. | |
70 FileTypeInfo file_types_; | |
71 | |
72 // The index of the default selected file filter. | |
73 // Note: This starts from 1, not 0. | |
74 size_t file_type_index_; | |
75 | |
76 // The type of dialog we are showing the user. | |
77 Type type_; | |
78 | |
79 // These two variables track where the user last saved a file or opened a | |
80 // file so that we can display future dialogs with the same starting path. | |
81 static base::FilePath* last_saved_path_; | |
82 static base::FilePath* last_opened_path_; | |
83 | |
84 DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImpl); | |
85 }; | |
86 | |
87 } // namespace libgtk2ui | |
88 | |
89 #endif // CHROME_BROWSER_UI_LIBGTK2UI_SELECT_FILE_DIALOG_IMPL_H_ | |
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