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| 1 // Copyright 2015 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 #ifndef CHROME_BROWSER_UI_LIBGTK2UI_SELECT_FILE_DIALOG_IMPL_GTK2_H_ |
| 6 #define CHROME_BROWSER_UI_LIBGTK2UI_SELECT_FILE_DIALOG_IMPL_GTK2_H_ |
| 7 |
| 8 #include "base/macros.h" |
| 9 #include "chrome/browser/ui/libgtk2ui/gtk2_signal.h" |
| 10 #include "chrome/browser/ui/libgtk2ui/gtk2_util.h" |
| 11 #include "chrome/browser/ui/libgtk2ui/select_file_dialog_impl.h" |
| 12 |
| 13 namespace libgtk2ui { |
| 14 |
| 15 // Implementation of SelectFileDialog that shows a Gtk common dialog for |
| 16 // choosing a file or folder. This acts as a modal dialog. |
| 17 class SelectFileDialogImplGTK : public SelectFileDialogImpl, |
| 18 public aura::WindowObserver { |
| 19 public: |
| 20 SelectFileDialogImplGTK(Listener* listener, |
| 21 ui::SelectFilePolicy* policy); |
| 22 |
| 23 protected: |
| 24 ~SelectFileDialogImplGTK() override; |
| 25 |
| 26 // BaseShellDialog implementation: |
| 27 bool IsRunning(gfx::NativeWindow parent_window) const override; |
| 28 |
| 29 // SelectFileDialog implementation. |
| 30 // |params| is user data we pass back via the Listener interface. |
| 31 void SelectFileImpl(Type type, |
| 32 const base::string16& title, |
| 33 const base::FilePath& default_path, |
| 34 const FileTypeInfo* file_types, |
| 35 int file_type_index, |
| 36 const base::FilePath::StringType& default_extension, |
| 37 gfx::NativeWindow owning_window, |
| 38 void* params) override; |
| 39 |
| 40 private: |
| 41 friend class FilePicker; |
| 42 bool HasMultipleFileTypeChoicesImpl() override; |
| 43 |
| 44 // Overridden from aura::WindowObserver: |
| 45 void OnWindowDestroying(aura::Window* window) override; |
| 46 |
| 47 // Add the filters from |file_types_| to |chooser|. |
| 48 void AddFilters(GtkFileChooser* chooser); |
| 49 |
| 50 // Notifies the listener that a single file was chosen. |
| 51 void FileSelected(GtkWidget* dialog, const base::FilePath& path); |
| 52 |
| 53 // Notifies the listener that multiple files were chosen. |
| 54 void MultiFilesSelected(GtkWidget* dialog, |
| 55 const std::vector<base::FilePath>& files); |
| 56 |
| 57 // Notifies the listener that no file was chosen (the action was canceled). |
| 58 // Dialog is passed so we can find that |params| pointer that was passed to |
| 59 // us when we were told to show the dialog. |
| 60 void FileNotSelected(GtkWidget* dialog); |
| 61 |
| 62 GtkWidget* CreateSelectFolderDialog( |
| 63 Type type, |
| 64 const std::string& title, |
| 65 const base::FilePath& default_path, |
| 66 gfx::NativeWindow parent); |
| 67 |
| 68 GtkWidget* CreateFileOpenDialog(const std::string& title, |
| 69 const base::FilePath& default_path, gfx::NativeWindow parent); |
| 70 |
| 71 GtkWidget* CreateMultiFileOpenDialog(const std::string& title, |
| 72 const base::FilePath& default_path, gfx::NativeWindow parent); |
| 73 |
| 74 GtkWidget* CreateSaveAsDialog(const std::string& title, |
| 75 const base::FilePath& default_path, gfx::NativeWindow parent); |
| 76 |
| 77 // Removes and returns the |params| associated with |dialog| from |
| 78 // |params_map_|. |
| 79 void* PopParamsForDialog(GtkWidget* dialog); |
| 80 |
| 81 // Take care of internal data structures when a file dialog is destroyed. |
| 82 void FileDialogDestroyed(GtkWidget* dialog); |
| 83 |
| 84 // Check whether response_id corresponds to the user cancelling/closing the |
| 85 // dialog. Used as a helper for the below callbacks. |
| 86 bool IsCancelResponse(gint response_id); |
| 87 |
| 88 // Common function for OnSelectSingleFileDialogResponse and |
| 89 // OnSelectSingleFolderDialogResponse. |
| 90 void SelectSingleFileHelper(GtkWidget* dialog, |
| 91 gint response_id, |
| 92 bool allow_folder); |
| 93 |
| 94 // Common function for CreateFileOpenDialog and CreateMultiFileOpenDialog. |
| 95 GtkWidget* CreateFileOpenHelper(const std::string& title, |
| 96 const base::FilePath& default_path, |
| 97 gfx::NativeWindow parent); |
| 98 |
| 99 // Callback for when the user responds to a Save As or Open File dialog. |
| 100 CHROMEGTK_CALLBACK_1(SelectFileDialogImplGTK, void, |
| 101 OnSelectSingleFileDialogResponse, int); |
| 102 |
| 103 // Callback for when the user responds to a Select Folder dialog. |
| 104 CHROMEGTK_CALLBACK_1(SelectFileDialogImplGTK, void, |
| 105 OnSelectSingleFolderDialogResponse, int); |
| 106 |
| 107 // Callback for when the user responds to a Open Multiple Files dialog. |
| 108 CHROMEGTK_CALLBACK_1(SelectFileDialogImplGTK, void, |
| 109 OnSelectMultiFileDialogResponse, int); |
| 110 |
| 111 // Callback for when the file chooser gets destroyed. |
| 112 CHROMEGTK_CALLBACK_0(SelectFileDialogImplGTK, void, OnFileChooserDestroy); |
| 113 |
| 114 // Callback for when we update the preview for the selection. |
| 115 CHROMEGTK_CALLBACK_0(SelectFileDialogImplGTK, void, OnUpdatePreview); |
| 116 |
| 117 // A map from dialog windows to the |params| user data associated with them. |
| 118 std::map<GtkWidget*, void*> params_map_; |
| 119 |
| 120 // The GtkImage widget for showing previews of selected images. |
| 121 GtkWidget* preview_; |
| 122 |
| 123 // All our dialogs. |
| 124 std::set<GtkWidget*> dialogs_; |
| 125 |
| 126 // The set of all parent windows for which we are currently running dialogs. |
| 127 std::set<aura::Window*> parents_; |
| 128 |
| 129 DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImplGTK); |
| 130 }; |
| 131 |
| 132 } // namespace libgtk2ui |
| 133 |
| 134 #endif // CHROME_BROWSER_UI_LIBGTK2UI_SELECT_FILE_DIALOG_IMPL_GTK2_H_ |
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