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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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