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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_LIBGTKUI_SELECT_FILE_DIALOG_IMPL_GTK2_H_ | |
6 #define CHROME_BROWSER_UI_LIBGTKUI_SELECT_FILE_DIALOG_IMPL_GTK2_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "chrome/browser/ui/libgtkui/gtk2_signal.h" | |
10 #include "chrome/browser/ui/libgtkui/gtk2_util.h" | |
11 #include "chrome/browser/ui/libgtkui/select_file_dialog_impl.h" | |
12 | |
13 namespace libgtkui { | |
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 // Check whether response_id corresponds to the user cancelling/closing the | |
82 // dialog. Used as a helper for the below callbacks. | |
83 bool IsCancelResponse(gint response_id); | |
84 | |
85 // Common function for OnSelectSingleFileDialogResponse and | |
86 // OnSelectSingleFolderDialogResponse. | |
87 void SelectSingleFileHelper(GtkWidget* dialog, | |
88 gint response_id, | |
89 bool allow_folder); | |
90 | |
91 // Common function for CreateFileOpenDialog and CreateMultiFileOpenDialog. | |
92 GtkWidget* CreateFileOpenHelper(const std::string& title, | |
93 const base::FilePath& default_path, | |
94 gfx::NativeWindow parent); | |
95 | |
96 // Callback for when the user responds to a Save As or Open File dialog. | |
97 CHROMEGTK_CALLBACK_1(SelectFileDialogImplGTK, void, | |
98 OnSelectSingleFileDialogResponse, int); | |
99 | |
100 // Callback for when the user responds to a Select Folder dialog. | |
101 CHROMEGTK_CALLBACK_1(SelectFileDialogImplGTK, void, | |
102 OnSelectSingleFolderDialogResponse, int); | |
103 | |
104 // Callback for when the user responds to a Open Multiple Files dialog. | |
105 CHROMEGTK_CALLBACK_1(SelectFileDialogImplGTK, void, | |
106 OnSelectMultiFileDialogResponse, int); | |
107 | |
108 // Callback for when the file chooser gets destroyed. | |
109 CHROMEGTK_CALLBACK_0(SelectFileDialogImplGTK, void, OnFileChooserDestroy); | |
110 | |
111 // Callback for when we update the preview for the selection. | |
112 CHROMEGTK_CALLBACK_0(SelectFileDialogImplGTK, void, OnUpdatePreview); | |
113 | |
114 // A map from dialog windows to the |params| user data associated with them. | |
115 std::map<GtkWidget*, void*> params_map_; | |
116 | |
117 // The GtkImage widget for showing previews of selected images. | |
118 GtkWidget* preview_; | |
119 | |
120 // All our dialogs. | |
121 std::set<GtkWidget*> dialogs_; | |
122 | |
123 // The set of all parent windows for which we are currently running dialogs. | |
124 std::set<aura::Window*> parents_; | |
125 | |
126 DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImplGTK); | |
127 }; | |
128 | |
129 } // namespace libgtkui | |
130 | |
131 #endif // CHROME_BROWSER_UI_LIBGTKUI_SELECT_FILE_DIALOG_IMPL_GTK2_H_ | |
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