1 /* vi: set sw=4 ts=4 wrap ai: */
2 /*
3 * fm-widget-view.c: This file is part of caja.
4 *
5 * Copyright (C) 2019 Wu Xiaotian <yetist@gmail.com>
6 * Copyright (C) 2019-2021 The MATE developers
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 * */
23
24 #include <config.h>
25 #include <string.h>
26
27 #include <glib.h>
28 #include <glib/gi18n.h>
29 #include <eel/eel-glib-extensions.h>
30 #include <eel/eel-gtk-macros.h>
31 #include <eel/eel-vfs-extensions.h>
32
33 #include <libcaja-private/caja-file-utilities.h>
34 #include <libcaja-private/caja-view.h>
35 #include <libcaja-private/caja-view-factory.h>
36 #include <libcaja-private/caja-extensions.h>
37 #include <libcaja-private/caja-module.h>
38 #include <libcaja-private/caja-metadata.h>
39 #include <libcaja-extension/caja-widget-view-provider.h>
40
41 #include "fm-widget-view.h"
42
43 struct _FMWidgetView
44 {
45 FMDirectoryView object;
46 CajaWidgetViewProvider *provider;
47 };
48
49 static GList *fm_widget_view_get_selection (FMDirectoryView *view);
50 static GList *fm_widget_view_get_selection_for_file_transfer (FMDirectoryView *view);
51 static void fm_widget_view_scroll_to_file (CajaView *view, const char *uri);
52 static void fm_widget_view_iface_init (CajaViewIface *iface);
53
54 G_DEFINE_TYPE_WITH_CODE (FMWidgetView, fm_widget_view, FM_TYPE_DIRECTORY_VIEW,
55 G_IMPLEMENT_INTERFACE (CAJA_TYPE_VIEW, fm_widget_view_iface_init));
56
57 static void
fm_widget_view_add_file(FMDirectoryView * view,CajaFile * file,CajaDirectory * directory)58 fm_widget_view_add_file (FMDirectoryView *view, CajaFile *file, CajaDirectory *directory)
59 {
60 FMWidgetView *widget_view;
61 CajaFile *file_dir;
62
63 widget_view = FM_WIDGET_VIEW (view);
64 g_return_if_fail (FM_IS_WIDGET_VIEW(view));
65 g_return_if_fail (CAJA_IS_WIDGET_VIEW_PROVIDER (widget_view->provider));
66
67 file_dir = caja_directory_get_corresponding_file (directory);
68 caja_widget_view_provider_add_file (widget_view->provider, file, file_dir);
69 caja_file_unref (file_dir);
70 }
71
72 static void
fm_widget_view_begin_loading(FMDirectoryView * view)73 fm_widget_view_begin_loading (FMDirectoryView *view)
74 {
75 GtkWindow *window;
76 CajaFile *file;
77 gchar *uri;
78 GList *providers, *l;
79 char *mimetype;
80 GtkWidget *widget;
81 FMWidgetView *widget_view;
82
83 widget_view = FM_WIDGET_VIEW (view);
84
85 uri = fm_directory_view_get_uri (view);
86 file = caja_file_get_by_uri (uri);
87 mimetype = caja_file_get_mime_type (file);
88
89 providers = caja_extensions_get_for_type (CAJA_TYPE_WIDGET_VIEW_PROVIDER);
90 for (l = providers; l != NULL; l = l->next)
91 {
92 CajaWidgetViewProvider *provider;
93
94 provider = CAJA_WIDGET_VIEW_PROVIDER (l->data);
95 if (caja_widget_view_provider_supports_uri (provider, uri,
96 caja_file_get_file_type (file),
97 mimetype)) {
98 widget_view->provider = provider;
99 break;
100 }
101 }
102 caja_file_unref (file);
103 g_free (mimetype);
104 caja_module_extension_list_free (providers);
105
106 if (widget_view->provider == NULL) {
107 g_free (uri);
108 return;
109 }
110
111 caja_widget_view_provider_set_location (widget_view->provider, uri);
112 g_free (uri);
113
114 widget = caja_widget_view_provider_get_widget (widget_view->provider);
115 gtk_container_add (GTK_CONTAINER(widget_view), widget);
116
117 window = fm_directory_view_get_containing_window (view);
118 caja_widget_view_provider_set_window (widget_view->provider, window);
119 }
120
121 static void
fm_widget_view_clear(FMDirectoryView * view)122 fm_widget_view_clear (FMDirectoryView *view)
123 {
124 FMWidgetView *widget_view;
125
126 widget_view = FM_WIDGET_VIEW (view);
127 g_return_if_fail (FM_IS_WIDGET_VIEW(view));
128 g_return_if_fail (CAJA_IS_WIDGET_VIEW_PROVIDER (widget_view->provider));
129
130 caja_widget_view_provider_clear (widget_view->provider);
131 }
132
133 static void
fm_widget_view_file_changed(FMDirectoryView * view,CajaFile * file,CajaDirectory * directory)134 fm_widget_view_file_changed (FMDirectoryView *view, CajaFile *file, CajaDirectory *directory)
135 {
136 }
137
138 static GtkWidget *
fm_widget_view_get_background_widget(FMDirectoryView * view)139 fm_widget_view_get_background_widget (FMDirectoryView *view)
140 {
141 return GTK_WIDGET (view);
142 }
143
144 static GList *
fm_widget_view_get_selection(FMDirectoryView * view)145 fm_widget_view_get_selection (FMDirectoryView *view)
146 {
147 return NULL;
148 }
149
150 static GList *
fm_widget_view_get_selection_for_file_transfer(FMDirectoryView * view)151 fm_widget_view_get_selection_for_file_transfer (FMDirectoryView *view)
152 {
153 return NULL;
154 }
155
156 static guint
fm_widget_view_get_item_count(FMDirectoryView * view)157 fm_widget_view_get_item_count (FMDirectoryView *view)
158 {
159 FMWidgetView *widget_view;
160
161 widget_view = FM_WIDGET_VIEW (view);
162 g_return_val_if_fail (FM_IS_WIDGET_VIEW(view), 0);
163 g_return_val_if_fail (CAJA_IS_WIDGET_VIEW_PROVIDER (widget_view->provider), 0);
164
165 return caja_widget_view_provider_get_item_count (widget_view->provider);
166 }
167
168 static gboolean
fm_widget_view_is_empty(FMDirectoryView * view)169 fm_widget_view_is_empty (FMDirectoryView *view)
170 {
171 FMWidgetView *widget_view;
172
173 widget_view = FM_WIDGET_VIEW (view);
174 g_return_val_if_fail (FM_IS_WIDGET_VIEW(view), TRUE);
175 g_return_val_if_fail (CAJA_IS_WIDGET_VIEW_PROVIDER (widget_view->provider), TRUE);
176
177 return caja_widget_view_provider_get_item_count (widget_view->provider) == 0;
178 }
179
180 static void
fm_widget_view_end_file_changes(FMDirectoryView * view)181 fm_widget_view_end_file_changes (FMDirectoryView *view)
182 {
183 }
184
185 static void
fm_widget_view_remove_file(FMDirectoryView * view,CajaFile * file,CajaDirectory * directory)186 fm_widget_view_remove_file (FMDirectoryView *view, CajaFile *file, CajaDirectory *directory)
187 {
188 }
189
190 static void
fm_widget_view_set_selection(FMDirectoryView * view,GList * selection)191 fm_widget_view_set_selection (FMDirectoryView *view, GList *selection)
192 {
193 fm_directory_view_notify_selection_changed (view);
194 }
195
196 static void
fm_widget_view_select_all(FMDirectoryView * view)197 fm_widget_view_select_all (FMDirectoryView *view)
198 {
199 }
200
201 static void
fm_widget_view_reveal_selection(FMDirectoryView * view)202 fm_widget_view_reveal_selection (FMDirectoryView *view)
203 {
204 }
205
206 static void
fm_widget_view_merge_menus(FMDirectoryView * view)207 fm_widget_view_merge_menus (FMDirectoryView *view)
208 {
209 FM_DIRECTORY_VIEW_CLASS (fm_widget_view_parent_class)->merge_menus(view);
210 }
211
212 static void
fm_widget_view_update_menus(FMDirectoryView * view)213 fm_widget_view_update_menus (FMDirectoryView *view)
214 {
215 FM_DIRECTORY_VIEW_CLASS (fm_widget_view_parent_class)->update_menus(view);
216 }
217
218 /* Reset sort criteria and zoom level to match defaults */
219 static void
fm_widget_view_reset_to_defaults(FMDirectoryView * view)220 fm_widget_view_reset_to_defaults (FMDirectoryView *view)
221 {
222 }
223
224 static void
fm_widget_view_bump_zoom_level(FMDirectoryView * view,int zoom_increment)225 fm_widget_view_bump_zoom_level (FMDirectoryView *view, int zoom_increment)
226 {
227 }
228
229 static CajaZoomLevel
fm_widget_view_get_zoom_level(FMDirectoryView * view)230 fm_widget_view_get_zoom_level (FMDirectoryView *view)
231 {
232 return CAJA_ZOOM_LEVEL_STANDARD;
233 }
234
235 static void
fm_widget_view_zoom_to_level(FMDirectoryView * view,CajaZoomLevel zoom_level)236 fm_widget_view_zoom_to_level (FMDirectoryView *view,
237 CajaZoomLevel zoom_level)
238 {
239 }
240
241 static void
fm_widget_view_restore_default_zoom_level(FMDirectoryView * view)242 fm_widget_view_restore_default_zoom_level (FMDirectoryView *view)
243 {
244 }
245
246 static gboolean
fm_widget_view_can_zoom_in(FMDirectoryView * view)247 fm_widget_view_can_zoom_in (FMDirectoryView *view)
248 {
249 return FALSE;
250 }
251
252 static gboolean
fm_widget_view_can_zoom_out(FMDirectoryView * view)253 fm_widget_view_can_zoom_out (FMDirectoryView *view)
254 {
255 return FALSE;
256 }
257
258 static void
fm_widget_view_start_renaming_file(FMDirectoryView * view,CajaFile * file,gboolean select_all)259 fm_widget_view_start_renaming_file (FMDirectoryView *view,
260 CajaFile *file,
261 gboolean select_all)
262 {
263 }
264
265 static void
fm_widget_view_click_policy_changed(FMDirectoryView * directory_view)266 fm_widget_view_click_policy_changed (FMDirectoryView *directory_view)
267 {
268 }
269
270 static int
fm_widget_view_compare_files(FMDirectoryView * view,CajaFile * file1,CajaFile * file2)271 fm_widget_view_compare_files (FMDirectoryView *view, CajaFile *file1, CajaFile *file2)
272 {
273 if (file1 < file2)
274 {
275 return -1;
276 }
277
278 if (file1 > file2)
279 {
280 return +1;
281 }
282
283 return 0;
284 }
285
286 static gboolean
fm_widget_view_using_manual_layout(FMDirectoryView * view)287 fm_widget_view_using_manual_layout (FMDirectoryView *view)
288 {
289 return FALSE;
290 }
291
292 static void
fm_widget_view_end_loading(FMDirectoryView * view,gboolean all_files_seen)293 fm_widget_view_end_loading (FMDirectoryView *view,
294 gboolean all_files_seen)
295 {
296 }
297
298 static void
fm_widget_view_finalize(GObject * object)299 fm_widget_view_finalize (GObject *object)
300 {
301 G_OBJECT_CLASS (fm_widget_view_parent_class)->finalize (object);
302 }
303
304 static void
fm_widget_view_emblems_changed(FMDirectoryView * directory_view)305 fm_widget_view_emblems_changed (FMDirectoryView *directory_view)
306 {
307 }
308
309 static char *
fm_widget_view_get_first_visible_file(CajaView * view)310 fm_widget_view_get_first_visible_file (CajaView *view)
311 {
312 FMWidgetView *widget_view;
313
314 widget_view = FM_WIDGET_VIEW (view);
315 g_return_val_if_fail (FM_IS_WIDGET_VIEW(view), NULL);
316 g_return_val_if_fail (CAJA_IS_WIDGET_VIEW_PROVIDER (widget_view->provider), NULL);
317
318 return caja_widget_view_provider_get_first_visible_file (widget_view->provider);
319 }
320
321 static void
fm_widget_view_scroll_to_file(CajaView * view,const char * uri)322 fm_widget_view_scroll_to_file (CajaView *view, const char *uri)
323 {
324 }
325
326 static void
fm_widget_view_grab_focus(CajaView * view)327 fm_widget_view_grab_focus (CajaView *view)
328 {
329 gtk_widget_grab_focus (GTK_WIDGET (view));
330 }
331
332 static void
fm_widget_view_sort_directories_first_changed(FMDirectoryView * view)333 fm_widget_view_sort_directories_first_changed (FMDirectoryView *view)
334 {
335 }
336
337 static void
fm_widget_view_class_init(FMWidgetViewClass * class)338 fm_widget_view_class_init (FMWidgetViewClass *class)
339 {
340 FMDirectoryViewClass *fm_directory_view_class;
341
342 fm_directory_view_class = FM_DIRECTORY_VIEW_CLASS (class);
343
344 G_OBJECT_CLASS (class)->finalize = fm_widget_view_finalize;
345
346 fm_directory_view_class->add_file = fm_widget_view_add_file;
347 fm_directory_view_class->begin_loading = fm_widget_view_begin_loading;
348 fm_directory_view_class->bump_zoom_level = fm_widget_view_bump_zoom_level;
349 fm_directory_view_class->can_zoom_in = fm_widget_view_can_zoom_in;
350 fm_directory_view_class->can_zoom_out = fm_widget_view_can_zoom_out;
351 fm_directory_view_class->click_policy_changed = fm_widget_view_click_policy_changed;
352 fm_directory_view_class->clear = fm_widget_view_clear;
353 fm_directory_view_class->file_changed = fm_widget_view_file_changed;
354 fm_directory_view_class->get_background_widget = fm_widget_view_get_background_widget;
355 fm_directory_view_class->get_selection = fm_widget_view_get_selection;
356 fm_directory_view_class->get_selection_for_file_transfer = fm_widget_view_get_selection_for_file_transfer;
357 fm_directory_view_class->get_item_count = fm_widget_view_get_item_count;
358 fm_directory_view_class->is_empty = fm_widget_view_is_empty;
359 fm_directory_view_class->remove_file = fm_widget_view_remove_file;
360 fm_directory_view_class->merge_menus = fm_widget_view_merge_menus;
361 fm_directory_view_class->update_menus = fm_widget_view_update_menus;
362 fm_directory_view_class->reset_to_defaults = fm_widget_view_reset_to_defaults;
363 fm_directory_view_class->restore_default_zoom_level = fm_widget_view_restore_default_zoom_level;
364 fm_directory_view_class->reveal_selection = fm_widget_view_reveal_selection;
365 fm_directory_view_class->select_all = fm_widget_view_select_all;
366 fm_directory_view_class->set_selection = fm_widget_view_set_selection;
367 fm_directory_view_class->compare_files = fm_widget_view_compare_files;
368 fm_directory_view_class->sort_directories_first_changed = fm_widget_view_sort_directories_first_changed;
369 fm_directory_view_class->start_renaming_file = fm_widget_view_start_renaming_file;
370 fm_directory_view_class->get_zoom_level = fm_widget_view_get_zoom_level;
371 fm_directory_view_class->zoom_to_level = fm_widget_view_zoom_to_level;
372 fm_directory_view_class->emblems_changed = fm_widget_view_emblems_changed;
373 fm_directory_view_class->end_file_changes = fm_widget_view_end_file_changes;
374 fm_directory_view_class->using_manual_layout = fm_widget_view_using_manual_layout;
375 fm_directory_view_class->end_loading = fm_widget_view_end_loading;
376 }
377
378 static const char *
fm_widget_view_get_id(CajaView * view)379 fm_widget_view_get_id (CajaView *view)
380 {
381 return FM_WIDGET_VIEW_ID;
382 }
383
384
385 static void
fm_widget_view_iface_init(CajaViewIface * iface)386 fm_widget_view_iface_init (CajaViewIface *iface)
387 {
388 fm_directory_view_init_view_iface (iface);
389
390 iface->get_view_id = fm_widget_view_get_id;
391 iface->get_first_visible_file = fm_widget_view_get_first_visible_file;
392 iface->scroll_to_file = fm_widget_view_scroll_to_file;
393 iface->get_title = NULL;
394 iface->grab_focus = fm_widget_view_grab_focus;
395 }
396
397
398 static void
fm_widget_view_init(FMWidgetView * widget_view)399 fm_widget_view_init (FMWidgetView *widget_view)
400 {
401 widget_view->provider = NULL;
402 }
403
404 static CajaView *
fm_widget_view_create(CajaWindowSlotInfo * slot)405 fm_widget_view_create (CajaWindowSlotInfo *slot)
406 {
407 FMWidgetView *view;
408 g_assert (CAJA_IS_WINDOW_SLOT_INFO (slot));
409
410 view = g_object_new (FM_TYPE_WIDGET_VIEW,
411 "window-slot", slot,
412 NULL);
413
414 return CAJA_VIEW (view);
415 }
416
417 static gboolean
fm_widget_view_supports_uri(const char * uri,GFileType file_type,const char * mime_type)418 fm_widget_view_supports_uri (const char *uri,
419 GFileType file_type,
420 const char *mime_type)
421 {
422 GList *providers, *l;
423 gboolean result = FALSE;
424
425 providers = caja_extensions_get_for_type (CAJA_TYPE_WIDGET_VIEW_PROVIDER);
426
427 for (l = providers; l != NULL; l = l->next)
428 {
429 CajaWidgetViewProvider *provider;
430
431 provider = CAJA_WIDGET_VIEW_PROVIDER (l->data);
432 if (caja_widget_view_provider_supports_uri (provider, uri, file_type, mime_type)) {
433 result = TRUE;
434 }
435 }
436 caja_module_extension_list_free (providers);
437
438 return result;
439 }
440
441 static CajaViewInfo fm_widget_view =
442 {
443 .id = FM_WIDGET_VIEW_ID,
444 .view_combo_label = N_("Widget View"),
445 .view_menu_label_with_mnemonic = N_("_Widget View"),
446 .error_label = N_("The widget view encountered an error."),
447 .startup_error_label = N_("The widget view encountered an error while starting up."),
448 .display_location_label = N_("Display this location with the widget view."),
449 .create = fm_widget_view_create,
450 .supports_uri = fm_widget_view_supports_uri
451 };
452
453 void
fm_widget_view_register(void)454 fm_widget_view_register (void)
455 {
456 fm_widget_view.view_combo_label = _(fm_widget_view.view_combo_label);
457 fm_widget_view.view_menu_label_with_mnemonic = _(fm_widget_view.view_menu_label_with_mnemonic);
458 fm_widget_view.error_label = _(fm_widget_view.error_label);
459 fm_widget_view.startup_error_label = _(fm_widget_view.startup_error_label);
460 fm_widget_view.display_location_label = _(fm_widget_view.display_location_label);
461 fm_widget_view.single_view = TRUE;
462 caja_view_factory_register (&fm_widget_view);
463 }
464