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 #ifndef UI_SHELL_DIALOGS_GTK_SELECT_FILE_DIALOG_IMPL_H_ 8 #define UI_SHELL_DIALOGS_GTK_SELECT_FILE_DIALOG_IMPL_H_ 9 10 #include <set> 11 12 #include "base/compiler_specific.h" 13 #include "base/nix/xdg_util.h" 14 #include "ui/shell_dialogs/select_file_dialog.h" 15 16 namespace ui { 17 18 // Shared implementation SelectFileDialog used by SelectFileDialogImplGTK 19 class SelectFileDialogImpl : public SelectFileDialog { 20 public: 21 // Factory method for creating a GTK-styled SelectFileDialogImpl 22 static SelectFileDialogImpl* NewSelectFileDialogImplGTK( 23 Listener* listener, 24 ui::SelectFilePolicy* policy); 25 // Factory method for creating a KDE-styled SelectFileDialogImpl 26 static SelectFileDialogImpl* NewSelectFileDialogImplKDE( 27 Listener* listener, 28 ui::SelectFilePolicy* policy, 29 base::nix::DesktopEnvironment desktop); 30 31 // Returns true if the SelectFileDialog class returned by 32 // NewSelectFileDialogImplKDE will actually work. 33 static bool CheckKDEDialogWorksOnUIThread(); 34 35 // BaseShellDialog implementation. 36 virtual bool IsRunning(gfx::NativeWindow parent_window) const OVERRIDE; 37 virtual void ListenerDestroyed() OVERRIDE; 38 39 protected: 40 explicit SelectFileDialogImpl(Listener* listener, 41 ui::SelectFilePolicy* policy); 42 virtual ~SelectFileDialogImpl(); 43 44 // SelectFileDialog implementation. 45 // |params| is user data we pass back via the Listener interface. 46 virtual void SelectFileImpl( 47 Type type, 48 const base::string16& title, 49 const base::FilePath& default_path, 50 const FileTypeInfo* file_types, 51 int file_type_index, 52 const base::FilePath::StringType& default_extension, 53 gfx::NativeWindow owning_window, 54 void* params) = 0; 55 56 // Wrapper for base::DirectoryExists() that allow access on the UI 57 // thread. Use this only in the file dialog functions, where it's ok 58 // because the file dialog has to do many stats anyway. One more won't 59 // hurt too badly and it's likely already cached. 60 bool CallDirectoryExistsOnUIThread(const base::FilePath& path); 61 62 // The file filters. 63 FileTypeInfo file_types_; 64 65 // The index of the default selected file filter. 66 // Note: This starts from 1, not 0. 67 size_t file_type_index_; 68 69 // The set of all parent windows for which we are currently running dialogs. 70 std::set<GtkWindow*> parents_; 71 72 // The type of dialog we are showing the user. 73 Type type_; 74 75 // These two variables track where the user last saved a file or opened a 76 // file so that we can display future dialogs with the same starting path. 77 static base::FilePath* last_saved_path_; 78 static base::FilePath* last_opened_path_; 79 80 DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImpl); 81 }; 82 83 SelectFileDialog* CreateLinuxSelectFileDialog( 84 SelectFileDialog::Listener* listener, 85 SelectFilePolicy* policy); 86 87 } // namespace ui 88 89 #endif // UI_SHELL_DIALOGS_GTK_SELECT_FILE_DIALOG_IMPL_H_ 90