1 /*
2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2015 Hiroyuki Yamamoto and the Claws Mail team
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 3 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #ifdef HAVE_CONFIG_H
20 #  include "config.h"
21 #include "claws-features.h"
22 #endif
23 
24 #include "defs.h"
25 
26 #ifdef G_OS_WIN32
27 #define UNICODE
28 #define _UNICODE
29 #endif
30 
31 #include <glib.h>
32 #include <glib/gi18n.h>
33 #include <gdk/gdkkeysyms.h>
34 #include <gtk/gtk.h>
35 #include <stdio.h>
36 #include <sys/types.h>
37 #include <sys/stat.h>
38 
39 #include "main.h"
40 #include "mimeview.h"
41 #include "textview.h"
42 #include "procmime.h"
43 #include "summaryview.h"
44 #include "menu.h"
45 #include "filesel.h"
46 #include "alertpanel.h"
47 #include "inputdialog.h"
48 #include "utils.h"
49 #include "gtkutils.h"
50 #include "prefs_common.h"
51 #include "procheader.h"
52 #include "stock_pixmap.h"
53 #include "gtk/gtkvscrollbutton.h"
54 #include "gtk/logwindow.h"
55 #include "timing.h"
56 #include "manage_window.h"
57 #include "privacy.h"
58 #include "file-utils.h"
59 
60 typedef enum
61 {
62 	COL_MIMETYPE = 0,
63 	COL_SIZE     = 1,
64 	COL_NAME     = 2,
65 	COL_DATA     = 3,
66 	N_MIMEVIEW_COLUMNS
67 } MimeViewColumnPos;
68 
69 #define N_MIMEVIEW_COLS	(N_MIMEVIEW_COLUMNS)
70 
71 static void mimeview_set_multipart_tree		(MimeView	*mimeview,
72 						 MimeInfo	*mimeinfo,
73 						 GtkTreeIter	*parent);
74 static void mimeview_show_message_part		(MimeView	*mimeview,
75 						 MimeInfo	*partinfo);
76 static void mimeview_change_view_type		(MimeView	*mimeview,
77 						 MimeViewType	 type);
78 static gchar *mimeview_get_filename_for_part	(MimeInfo	*partinfo,
79 						 const gchar	*basedir,
80 						 gint		 number);
81 static gboolean mimeview_write_part		(const gchar	*filename,
82 						 MimeInfo	*partinfo,
83 						 gboolean	 handle_error);
84 
85 static void mimeview_selected		(GtkTreeSelection	*selection,
86 					 MimeView	*mimeview);
87 static gint mimeview_button_pressed	(GtkWidget	*widget,
88 					 GdkEventButton	*event,
89 					 MimeView	*mimeview);
90 static gint mimeview_key_pressed	(GtkWidget	*widget,
91 					 GdkEventKey	*event,
92 					 MimeView	*mimeview);
93 
94 static void mimeview_drag_data_get      (GtkWidget	  *widget,
95 					 GdkDragContext   *drag_context,
96 					 GtkSelectionData *selection_data,
97 					 guint		   info,
98 					 guint		   time,
99 					 MimeView	  *mimeview);
100 
101 static gboolean mimeview_scrolled	(GtkWidget	*widget,
102 					 GdkEventScroll	*event,
103 					 MimeView	*mimeview);
104 
105 static void mimeview_save_all		(MimeView	*mimeview);
106 #ifndef G_OS_WIN32
107 static void mimeview_open_part_with	(MimeView	*mimeview,
108 					 MimeInfo	*partinfo,
109 					 gboolean	 automatic);
110 #endif
111 static void mimeview_send_to		(MimeView	*mimeview,
112 					 MimeInfo	*partinfo);
113 static void mimeview_view_file		(const gchar	*filename,
114 					 MimeInfo	*partinfo,
115 					 const gchar	*cmd,
116 					 MimeView  	*mimeview);
117 static gboolean icon_clicked_cb		(GtkWidget 	*button,
118 					 GdkEventButton	*event,
119 					 MimeView 	*mimeview);
120 static void icon_selected               (MimeView       *mimeview,
121 					 gint            num,
122 					 MimeInfo       *partinfo);
123 static gint icon_key_pressed            (GtkWidget      *button,
124 					 GdkEventKey    *event,
125 					 MimeView       *mimeview);
126 static void icon_list_append_icon 	(MimeView 	*mimeview,
127 					 MimeInfo 	*mimeinfo);
128 static void icon_list_create		(MimeView 	*mimeview,
129 					 MimeInfo 	*mimeinfo);
130 static void icon_list_clear		(MimeView	*mimeview);
131 static void icon_list_toggle_by_mime_info (MimeView	*mimeview,
132 					   MimeInfo	*mimeinfo);
133 static void ctree_size_allocate_cb	(GtkWidget	*widget,
134 					 GtkAllocation	*allocation,
135 					 MimeView	*mimeview);
136 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
137 				    MimeView *mimeview);
138 static gboolean part_button_pressed	(MimeView 	*mimeview,
139 					 GdkEventButton *event,
140 					 MimeInfo 	*partinfo);
141 static void icon_scroll_size_allocate_cb(GtkWidget 	*widget,
142 					 GtkAllocation  *layout_size,
143 					 MimeView 	*mimeview);
144 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
145 static const gchar *get_part_name(MimeInfo *partinfo);
146 static const gchar *get_part_description(MimeInfo *partinfo);
147 
mimeview_launch_cb(GtkAction * action,gpointer data)148 static void mimeview_launch_cb(GtkAction *action, gpointer data)
149 {
150 	MimeView *mimeview = (MimeView *)data;
151 	mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
152 }
153 
154 #ifndef G_OS_WIN32
mimeview_open_with_cb(GtkAction * action,gpointer data)155 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
156 {
157 	mimeview_open_with((MimeView *)data);
158 }
159 #endif
160 
mimeview_copy_cb(GtkAction * action,gpointer data)161 static void mimeview_copy_cb(GtkAction *action, gpointer data)
162 {
163 	MimeView *mimeview = (MimeView *)data;
164 	MimeInfo *mimeinfo = mimeview_get_part_to_use(mimeview);
165 
166 	if (mimeinfo == NULL)
167 		return;
168 
169 	if (mimeinfo->type == MIMETYPE_IMAGE) {
170 		GError *error = NULL;
171 		GdkPixbuf *pixbuf = procmime_get_part_as_pixbuf(mimeinfo, &error);
172 		if (error != NULL) {
173 			g_warning("could not copy: %s", error->message);
174 			g_error_free(error);
175 		} else {
176 			gtk_clipboard_set_image(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
177 						pixbuf);
178 		}
179 		g_object_unref(pixbuf);
180 	} else {
181 		void *data = procmime_get_part_as_string(mimeinfo, FALSE);
182 		gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
183 				       data, mimeinfo->length);
184 		g_free(data);
185 	}
186 }
187 
mimeview_send_to_cb(GtkAction * action,gpointer data)188 static void mimeview_send_to_cb(GtkAction *action, gpointer data)
189 {
190 	MimeView *mimeview = (MimeView *)data;
191 	mimeview_send_to(mimeview, mimeview_get_part_to_use(mimeview));
192 }
193 
mimeview_display_as_text_cb(GtkAction * action,gpointer data)194 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
195 {
196 	mimeview_display_as_text((MimeView *)data);
197 }
198 
mimeview_save_as_cb(GtkAction * action,gpointer data)199 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
200 {
201 	mimeview_save_as((MimeView *)data);
202 }
203 
mimeview_save_all_cb(GtkAction * action,gpointer data)204 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
205 {
206 	mimeview_save_all((MimeView *)data);
207 }
208 
mimeview_select_next_part_cb(GtkAction * action,gpointer data)209 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
210 {
211 	mimeview_select_next_part((MimeView *)data);
212 }
213 
mimeview_select_prev_part_cb(GtkAction * action,gpointer data)214 static void mimeview_select_prev_part_cb(GtkAction *action, gpointer data)
215 {
216 	mimeview_select_prev_part((MimeView *)data);
217 }
218 
219 static GtkActionEntry mimeview_menu_actions[] = {
220 	{ "MimeView", NULL, "MimeView", NULL, NULL, NULL },
221 	{ "MimeView/Open", NULL, N_("_Open"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
222 #if (!defined G_OS_WIN32)
223 	{ "MimeView/OpenWith", NULL, N_("Open _with..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
224 #endif
225 	{ "MimeView/Copy", NULL, N_("Copy"), NULL, "Copy", G_CALLBACK(mimeview_copy_cb) },
226 	{ "MimeView/SendTo", NULL, N_("Send to..."), NULL, "Send to", G_CALLBACK(mimeview_send_to_cb) },
227 	{ "MimeView/DisplayAsText", NULL, N_("_Display as text"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
228 	{ "MimeView/SaveAs", NULL, N_("_Save as..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
229 	{ "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
230 	{ "MimeView/NextPart", NULL, N_("Next part"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) },
231 	{ "MimeView/PrevPart", NULL, N_("Previous part"), NULL, "Previous part", G_CALLBACK(mimeview_select_prev_part_cb) }
232 };
233 
234 static GtkTargetEntry mimeview_mime_types[] =
235 {
236 	{"text/uri-list", 0, 0}
237 };
238 
239 GSList *mimeviewer_factories;
240 GSList *mimeviews;
241 
242 static GdkCursor *hand_cursor = NULL;
243 
mimeview_visi_notify(GtkWidget * widget,GdkEventVisibility * event,MimeView * mimeview)244 static gboolean mimeview_visi_notify(GtkWidget *widget,
245 				       GdkEventVisibility *event,
246 				       MimeView *mimeview)
247 {
248 	gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
249 	return FALSE;
250 }
251 
mimeview_leave_notify(GtkWidget * widget,GdkEventCrossing * event,MimeView * mimeview)252 static gboolean mimeview_leave_notify(GtkWidget *widget,
253 				      GdkEventCrossing *event,
254 				      MimeView *mimeview)
255 {
256 	gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
257 	return FALSE;
258 }
259 
mimeview_enter_notify(GtkWidget * widget,GdkEventCrossing * event,MimeView * mimeview)260 static gboolean mimeview_enter_notify(GtkWidget *widget,
261 				      GdkEventCrossing *event,
262 				      MimeView *mimeview)
263 {
264 	gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
265 	return FALSE;
266 }
267 
mimeview_create(MainWindow * mainwin)268 MimeView *mimeview_create(MainWindow *mainwin)
269 {
270 	MimeView *mimeview;
271 
272 	GtkWidget *paned;
273 	GtkWidget *scrolledwin;
274 	GtkWidget *ctree;
275 	GtkWidget *mime_notebook;
276 	GtkWidget *popupmenu;
277 	GtkWidget *ctree_mainbox;
278 	GtkWidget *vbox;
279 	GtkWidget *mime_toggle;
280 	GtkWidget *icon_mainbox;
281 	GtkWidget *icon_scroll;
282 	GtkWidget *icon_vbox;
283 	GtkWidget *arrow;
284 	GtkWidget *scrollbutton;
285 	GtkWidget *hbox;
286 	NoticeView *siginfoview;
287 	GtkRequisition r;
288 	GtkTreeStore *model;
289 	GtkCellRenderer *renderer;
290 	GtkTreeViewColumn *column;
291 	GtkTreeSelection *selection;
292 
293 	gchar *titles[N_MIMEVIEW_COLS];
294 	gint cols;
295 
296 	if (!hand_cursor)
297 		hand_cursor = gdk_cursor_new(GDK_HAND2);
298 
299 	debug_print("Creating MIME view...\n");
300 	mimeview = g_new0(MimeView, 1);
301 
302 	titles[COL_MIMETYPE] = _("MIME Type");
303 	titles[COL_SIZE]     = _("Size");
304 	titles[COL_NAME]     = _("Name");
305 
306 	scrolledwin = gtk_scrolled_window_new(NULL, NULL);
307 	gtk_widget_show(scrolledwin);
308 	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
309 				       GTK_POLICY_AUTOMATIC,
310 				       GTK_POLICY_AUTOMATIC);
311 
312 	model = gtk_tree_store_new(N_MIMEVIEW_COLS,
313 				   G_TYPE_STRING,
314 				   G_TYPE_STRING,
315 				   G_TYPE_STRING,
316 				   G_TYPE_POINTER);
317 
318 	ctree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
319 	g_object_unref(model);
320 	gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
321 	gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(ctree),
322 					prefs_common.use_stripes_everywhere);
323 	gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
324 					prefs_common.show_col_headers);
325 
326 	renderer = gtk_cell_renderer_text_new();
327 	cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
328 					-1, titles[COL_MIMETYPE],renderer,
329 					"text", COL_MIMETYPE, NULL);
330 	column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
331 
332 	renderer = gtk_cell_renderer_text_new();
333 	gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
334 	cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
335 					-1, titles[COL_SIZE], renderer,
336 					"text", COL_SIZE, NULL);
337 	column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
338 	gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
339 
340 	renderer = gtk_cell_renderer_text_new();
341 	cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
342 					-1, titles[COL_NAME], renderer,
343 					"text", COL_NAME, NULL);
344 	column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
345 	gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
346 
347 	selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
348 	gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
349 
350 	gtk_widget_show(ctree);
351 	gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
352 	gtk_drag_source_set(ctree, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
353 			    mimeview_mime_types, 1, GDK_ACTION_COPY);
354 
355 	g_signal_connect(G_OBJECT(selection), "changed",
356 			 G_CALLBACK(mimeview_selected), mimeview);
357 	g_signal_connect(G_OBJECT(ctree), "button_release_event",
358 			 G_CALLBACK(mimeview_button_pressed), mimeview);
359 	g_signal_connect(G_OBJECT(ctree), "key_press_event",
360 			 G_CALLBACK(mimeview_key_pressed), mimeview);
361 	g_signal_connect(G_OBJECT(ctree), "drag_data_get",
362 			 G_CALLBACK(mimeview_drag_data_get), mimeview);
363 
364 	mime_notebook = gtk_notebook_new();
365         gtk_widget_show(mime_notebook);
366         gtk_widget_set_can_focus(mime_notebook, FALSE);
367         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
368         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
369 
370 	icon_vbox = gtk_vbox_new(FALSE, 2);
371 	gtk_widget_show(icon_vbox);
372 	icon_scroll = gtk_layout_new(NULL, NULL);
373 	gtk_widget_show(icon_scroll);
374 	gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
375 	scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
376 	gtk_widget_show(scrollbutton);
377 
378 	g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
379 			 G_CALLBACK(mimeview_scrolled), mimeview);
380 
381     	mime_toggle = gtk_event_box_new();
382 	gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
383 
384 	g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
385 			 G_CALLBACK(mimeview_visi_notify), mimeview);
386 	g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
387 			 G_CALLBACK(mimeview_leave_notify), mimeview);
388 	g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
389 			 G_CALLBACK(mimeview_enter_notify), mimeview);
390 
391 	gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
392 	gtk_widget_show(mime_toggle);
393 	mimeview->ctree_mode = FALSE;
394 	arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
395 	gtk_widget_show(arrow);
396 	gtk_widget_size_request(arrow, &r);
397 	gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
398 	g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
399 			 G_CALLBACK(mime_toggle_button_cb), mimeview);
400 
401 	icon_mainbox = gtk_vbox_new(FALSE, 0);
402 	gtk_widget_show(icon_mainbox);
403 	gtk_widget_set_size_request(icon_mainbox, 32, -1);
404 	gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
405 	gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
406 	gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
407 	g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
408 			 G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
409 
410 	ctree_mainbox = gtk_hbox_new(FALSE, 0);
411 	gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
412 	g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
413 			 G_CALLBACK(ctree_size_allocate_cb), mimeview);
414 
415 	mimeview->ui_manager = gtk_ui_manager_new();
416 	mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
417 			"MimeView", mimeview_menu_actions,
418 			G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
419 
420 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
421 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
422 			"/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
423 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
424 			"/Menus/MimeView/", "Open", "MimeView/Open",
425 			GTK_UI_MANAGER_MENUITEM);
426 #if (!defined G_OS_WIN32)
427 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
428 			"/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
429 			GTK_UI_MANAGER_MENUITEM);
430 #endif
431 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
432 			"/Menus/MimeView/", "Copy", "MimeView/Copy",
433 			GTK_UI_MANAGER_MENUITEM);
434 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
435 			"/Menus/MimeView/", "SendTo", "MimeView/SendTo",
436 			GTK_UI_MANAGER_MENUITEM);
437 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
438 			"/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
439 			GTK_UI_MANAGER_MENUITEM);
440 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
441 			"/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
442 			GTK_UI_MANAGER_MENUITEM);
443 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
444 			"/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
445 			GTK_UI_MANAGER_MENUITEM);
446 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
447 			"/Menus/MimeView/", "NextPart", "MimeView/NextPart",
448 			GTK_UI_MANAGER_MENUITEM);
449 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
450 			"/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
451 			GTK_UI_MANAGER_MENUITEM);
452 
453 	popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
454 				gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
455 
456 
457 	vbox = gtk_vbox_new(FALSE, 0);
458 	gtk_widget_show(vbox);
459 	siginfoview = noticeview_create(mainwin);
460 	noticeview_hide(siginfoview);
461 	noticeview_set_icon_clickable(siginfoview, TRUE);
462 	gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
463 	gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
464 
465 	paned = gtk_vpaned_new();
466 	gtk_widget_show(paned);
467 	gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
468 	gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
469 
470 	hbox = gtk_hbox_new(FALSE, 0);
471 	gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
472 	gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
473 
474 	gtk_widget_show(hbox);
475 	gtk_widget_hide(ctree_mainbox);
476 #ifdef GENERIC_UMPC
477 	gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
478 #endif
479 	mimeview->hbox          = hbox;
480 	mimeview->paned         = paned;
481 	mimeview->scrolledwin   = scrolledwin;
482 	mimeview->ctree         = ctree;
483 	mimeview->mime_notebook = mime_notebook;
484 	mimeview->popupmenu     = popupmenu;
485 	mimeview->type          = -1;
486 	mimeview->ctree_mainbox = ctree_mainbox;
487 	mimeview->icon_scroll   = icon_scroll;
488 	mimeview->icon_vbox     = icon_vbox;
489 	mimeview->icon_mainbox  = icon_mainbox;
490 	mimeview->icon_count    = 0;
491 	mimeview->mainwin       = mainwin;
492 	mimeview->mime_toggle   = mime_toggle;
493 	mimeview->siginfoview	= siginfoview;
494 	mimeview->scrollbutton  = scrollbutton;
495 	mimeview->target_list	= gtk_target_list_new(mimeview_mime_types, 1);
496 
497 	mimeviews = g_slist_prepend(mimeviews, mimeview);
498 
499 	return mimeview;
500 }
501 
mimeview_init(MimeView * mimeview)502 void mimeview_init(MimeView *mimeview)
503 {
504 	textview_init(mimeview->textview);
505 
506 	gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
507 		GTK_WIDGET_PTR(mimeview->textview));
508 }
509 
any_part_is_signed(MimeInfo * mimeinfo)510 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
511 {
512 	while (mimeinfo) {
513 		if (privacy_mimeinfo_is_signed(mimeinfo))
514 			return TRUE;
515 		mimeinfo = procmime_mimeinfo_next(mimeinfo);
516 	}
517 
518 	return FALSE;
519 }
520 
mimeview_show_message(MimeView * mimeview,MimeInfo * mimeinfo,const gchar * file)521 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
522 			   const gchar *file)
523 {
524 	GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
525 
526 	mimeview_clear(mimeview);
527 
528 	cm_return_if_fail(file != NULL);
529 	cm_return_if_fail(mimeinfo != NULL);
530 
531 	mimeview->mimeinfo = mimeinfo;
532 
533 	mimeview->file = g_strdup(file);
534 
535 	g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
536 					mimeview);
537 
538 	/* check if the mail's signed - it can change the mail structure */
539 
540 	if (any_part_is_signed(mimeinfo))
541 		debug_print("signed mail\n");
542 
543 	mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
544 	gtk_tree_view_expand_all(ctree);
545 	icon_list_clear(mimeview);
546 	icon_list_create(mimeview, mimeinfo);
547 
548 	g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
549 					  mimeview_selected, mimeview);
550 }
551 
552 #ifdef USE_PTHREAD
553 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
554 #endif
555 
mimeview_free_mimeinfo(MimeView * mimeview)556 static void mimeview_free_mimeinfo(MimeView *mimeview)
557 {
558 	gboolean defer = FALSE;
559 #ifdef USE_PTHREAD
560 	defer = (mimeview->check_data != NULL);
561 	if (defer)
562 		mimeview->check_data->free_after_use = TRUE;
563 #endif
564 	if (mimeview->mimeinfo != NULL && !defer) {
565 		procmime_mimeinfo_free_all(&mimeview->mimeinfo);
566 		mimeview->mimeinfo = NULL;
567 	} else if (defer) {
568 #ifdef USE_PTHREAD
569 		debug_print("deferring free(mimeinfo) and cancelling check\n");
570 		mimeview_check_sig_cancel_now(mimeview);
571 #endif
572 	}
573 }
574 
mimeview_destroy(MimeView * mimeview)575 void mimeview_destroy(MimeView *mimeview)
576 {
577 	GSList *cur;
578 
579 	for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
580 		MimeViewer *viewer = (MimeViewer *) cur->data;
581 		viewer->destroy_viewer(viewer);
582 	}
583 	g_slist_free(mimeview->viewers);
584 	gtk_target_list_unref(mimeview->target_list);
585 
586 #ifdef USE_PTHREAD
587 	if (mimeview->check_data) {
588 		mimeview->check_data->destroy_mimeview = TRUE;
589 		debug_print("deferring destroy\n");
590 	} else
591 #endif
592 	{
593 		mimeview_free_mimeinfo(mimeview);
594 		gtk_tree_path_free(mimeview->opened);
595 		g_free(mimeview->file);
596 		g_free(mimeview);
597 		mimeviews = g_slist_remove(mimeviews, mimeview);
598 	}
599 
600 }
601 
mimeview_get_selected_part(MimeView * mimeview)602 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
603 {
604 	return gtkut_tree_view_get_selected_pointer(
605 			GTK_TREE_VIEW(mimeview->ctree), COL_DATA,
606 			NULL, NULL, NULL);
607 }
608 
mimeview_get_node_part(MimeView * mimeview,GtkTreePath * path)609 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
610 {
611 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
612 	GtkTreeIter iter;
613 	MimeInfo *partinfo;
614 
615 	gtk_tree_model_get_iter(model, &iter, path);
616 	gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
617 	return partinfo;
618 }
619 
mimeview_tree_is_empty(MimeView * mimeview)620 gboolean mimeview_tree_is_empty(MimeView *mimeview)
621 {
622 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
623 	GtkTreeIter iter;
624 	return !gtk_tree_model_get_iter_first(model, &iter);
625 }
626 
mimeview_tree_next(GtkTreeModel * model,GtkTreePath * path)627 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
628 {
629 	GtkTreeIter iter, parent;
630 	gboolean has_parent;
631 
632 	gtk_tree_model_get_iter(model, &iter, path);
633 
634 	if (gtk_tree_model_iter_has_child(model, &iter)) {
635 		gtk_tree_path_down(path);
636 		return TRUE;
637 	}
638 
639 	has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
640 
641 	if (!gtk_tree_model_iter_next(model, &iter)) {
642 		while (has_parent) {
643 			GtkTreeIter saved_parent = parent;
644 			gtk_tree_path_up(path);
645 			if (gtk_tree_model_iter_next(model, &parent)) {
646 				gtk_tree_path_next(path);
647 				return TRUE;
648 			} else {
649 				has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
650 			}
651 		}
652 
653 	} else {
654 		gtk_tree_path_next(path);
655 		return TRUE;
656 	}
657 
658 	return FALSE;
659 }
660 
mimeview_tree_prev(MimeView * mimeview,GtkTreePath * path)661 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
662 {
663 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
664 	GtkTreeIter iter, child, parent;
665 	gboolean has_parent;
666 
667 	gtk_tree_model_get_iter(model, &iter, path);
668 	has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
669 
670 	if (gtk_tree_path_prev(path)) {
671 		gtk_tree_model_get_iter(model, &iter, path);
672 
673 		if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
674 			gtk_tree_path_down(path);
675 
676 			while (gtk_tree_model_iter_next(model, &child))
677 				gtk_tree_path_next(path);
678 		}
679 
680 		return TRUE;
681 	}
682 
683 	if (has_parent) {
684 		gtk_tree_path_up(path);
685 		return TRUE;
686 	}
687 
688 	return FALSE;
689 }
690 
mimeview_get_selected_part_num(MimeView * mimeview)691 gint mimeview_get_selected_part_num(MimeView *mimeview)
692 {
693 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
694 	GtkTreeIter iter;
695 	GtkTreePath *path;
696 	gint i = 0;
697 
698 	if (!gtk_tree_model_get_iter_first(model, &iter))
699 		return -1;
700 	path = gtk_tree_model_get_path(model, &iter);
701 
702 	do {
703 		if (!gtk_tree_path_compare(mimeview->opened, path)) {
704 			gtk_tree_path_free(path);
705 			return i;
706 		}
707 
708 		i++;
709 	} while (mimeview_tree_next(model, path));
710 
711 	gtk_tree_path_free(path);
712 
713 	return -1;
714 }
715 
mimeview_select_part_num(MimeView * mimeview,gint i)716 void mimeview_select_part_num(MimeView *mimeview, gint i)
717 {
718 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
719 	GtkTreeIter iter;
720 	GtkTreePath *path;
721 	GtkTreeSelection *selection;
722 	gint x = 0;
723 
724 	if (i < 0)
725 		return;
726 
727 	if (!gtk_tree_model_get_iter_first(model, &iter))
728 		return;
729 	path = gtk_tree_model_get_path(model, &iter);
730 
731 	while (x != i) {
732 		if (!mimeview_tree_next(model, path)) {
733 			gtk_tree_path_free(path);
734 			return;
735 		}
736 		x++;
737 	}
738 
739 	selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
740 	gtk_tree_selection_select_path(selection, path);
741 	gtk_tree_path_free(path);
742 }
743 
mimeview_set_multipart_tree(MimeView * mimeview,MimeInfo * mimeinfo,GtkTreeIter * parent)744 static void mimeview_set_multipart_tree(MimeView *mimeview,
745 					MimeInfo *mimeinfo,
746 					GtkTreeIter *parent)
747 {
748 	GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
749 					GTK_TREE_VIEW(mimeview->ctree)));
750 	GtkTreeIter iter;
751 	gchar *content_type, *length, *name;
752 
753 	cm_return_if_fail(mimeinfo != NULL);
754 
755 	while (mimeinfo != NULL) {
756 		if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
757 			content_type = g_strdup_printf("%s/%s",
758 					procmime_get_media_type_str(mimeinfo->type),
759 					mimeinfo->subtype);
760 		else
761 			content_type = g_strdup("UNKNOWN");
762 
763 		length = g_strdup(to_human_readable((goffset) mimeinfo->length));
764 
765 		if (prefs_common.attach_desc)
766 			name = g_strdup(get_part_description(mimeinfo));
767 		else
768 			name = g_strdup(get_part_name(mimeinfo));
769 
770 		gtk_tree_store_append(model, &iter, parent);
771 		gtk_tree_store_set(model, &iter,
772 				COL_MIMETYPE, content_type,
773 				COL_SIZE, length,
774 				COL_NAME, name,
775 				COL_DATA, mimeinfo, -1);
776 		g_free(content_type);
777 		g_free(length);
778 		g_free(name);
779 
780 		if (mimeinfo->node->children)
781 			mimeview_set_multipart_tree(mimeview,
782 				(MimeInfo *) mimeinfo->node->children->data, &iter);
783 		mimeinfo = mimeinfo->node->next != NULL ?
784 				(MimeInfo *) mimeinfo->node->next->data : NULL;
785 	}
786 }
787 
get_real_part_name(MimeInfo * partinfo)788 static const gchar *get_real_part_name(MimeInfo *partinfo)
789 {
790 	const gchar *name = NULL;
791 
792 	name = procmime_mimeinfo_get_parameter(partinfo, "filename");
793 	if (name == NULL)
794 		name = procmime_mimeinfo_get_parameter(partinfo, "name");
795 
796 	return name;
797 }
798 
get_part_name(MimeInfo * partinfo)799 static const gchar *get_part_name(MimeInfo *partinfo)
800 {
801 	const gchar *name;
802 
803 	name = get_real_part_name(partinfo);
804 	if (name == NULL)
805 		name = "";
806 
807 	return name;
808 }
809 
get_part_description(MimeInfo * partinfo)810 static const gchar *get_part_description(MimeInfo *partinfo)
811 {
812 	if (partinfo->description)
813 		return partinfo->description;
814 	else
815 		return get_part_name(partinfo);
816 }
817 
mimeview_show_message_part(MimeView * mimeview,MimeInfo * partinfo)818 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
819 {
820 	FILE *fp;
821 	const gchar *fname;
822 
823 	if (!partinfo) return;
824 
825 	fname = mimeview->file;
826 	if (!fname) return;
827 
828 	if ((fp = claws_fopen(fname, "rb")) == NULL) {
829 		FILE_OP_ERROR(fname, "claws_fopen");
830 		return;
831 	}
832 
833 	if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
834 		FILE_OP_ERROR(mimeview->file, "fseek");
835 		claws_fclose(fp);
836 		return;
837 	}
838 
839 	mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
840 	textview_show_part(mimeview->textview, partinfo, fp);
841 
842 	claws_fclose(fp);
843 }
844 
get_viewer_for_content_type(MimeView * mimeview,const gchar * content_type)845 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
846 {
847 	GSList *cur;
848 	MimeViewerFactory *factory = NULL;
849 	MimeViewer *viewer = NULL;
850 	gchar *real_contenttype = NULL, *tmp;
851 
852 	real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
853 
854 	for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
855 		MimeViewerFactory *curfactory = cur->data;
856 		gint i = 0;
857 
858 		while (curfactory->content_types[i] != NULL) {
859 			tmp = g_utf8_strdown(curfactory->content_types[i], -1);
860 			if (g_pattern_match_simple(tmp, real_contenttype)) {
861 				debug_print("%s\n", curfactory->content_types[i]);
862 				factory = curfactory;
863 				g_free(tmp);
864 				break;
865 			}
866 			g_free(tmp);
867 			i++;
868 		}
869 		if (factory != NULL)
870 			break;
871 	}
872 	g_free(real_contenttype);
873 	if (factory == NULL)
874 		return NULL;
875 
876 	for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
877 		MimeViewer *curviewer = cur->data;
878 
879 		if (curviewer->factory == factory)
880 			return curviewer;
881 	}
882 	viewer = factory->create_viewer();
883 	gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
884 		GTK_WIDGET(viewer->get_widget(viewer)));
885 
886 	mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
887 
888 	return viewer;
889 }
890 
mimeview_has_viewer_for_content_type(MimeView * mimeview,const gchar * content_type)891 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
892 {
893 	return (get_viewer_for_content_type(mimeview, content_type) != NULL);
894 }
895 
get_viewer_for_mimeinfo(MimeView * mimeview,MimeInfo * partinfo)896 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
897 {
898 	gchar *content_type = NULL;
899 	MimeViewer *viewer = NULL;
900 
901 	if ((partinfo->type == MIMETYPE_APPLICATION) &&
902             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
903 		const gchar *filename;
904 
905 		filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
906 		if (filename == NULL)
907 			filename = procmime_mimeinfo_get_parameter(partinfo, "name");
908 		if (filename != NULL)
909 			content_type = procmime_get_mime_type(filename);
910 	} else {
911 		content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
912 	}
913 
914 	if (content_type != NULL) {
915 		viewer = get_viewer_for_content_type(mimeview, content_type);
916 		g_free(content_type);
917 	}
918 
919 	return viewer;
920 }
921 
mimeview_show_part(MimeView * mimeview,MimeInfo * partinfo)922 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
923 {
924 	MimeViewer *viewer;
925 
926 	if (mimeview->messageview->partial_display_shown) {
927 		noticeview_hide(mimeview->messageview->noticeview);
928 		mimeview->messageview->partial_display_shown = FALSE;
929 	}
930 
931 	viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
932 	if (viewer == NULL) {
933 		if (mimeview->mimeviewer != NULL)
934 			mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
935 		mimeview->mimeviewer = NULL;
936 		return FALSE;
937 	}
938 
939 	if (mimeview->mimeviewer != NULL)
940 		mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
941 
942 	if (mimeview->mimeviewer != viewer)
943 		mimeview->mimeviewer = viewer;
944 
945 	mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
946 	viewer->mimeview = mimeview;
947 	viewer->show_mimepart(viewer, mimeview->file, partinfo);
948 
949 	return TRUE;
950 }
951 
mimeview_change_view_type(MimeView * mimeview,MimeViewType type)952 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
953 {
954 	TextView  *textview  = mimeview->textview;
955 	GtkWidget *focused = NULL;
956 
957 	if (mainwindow_get_mainwindow())
958 		focused = gtkut_get_focused_child(
959 				GTK_CONTAINER(mainwindow_get_mainwindow()->window));
960 
961 	if ((mimeview->type != MIMEVIEW_VIEWER) &&
962 	    (mimeview->type == type)) return;
963 
964 	switch (type) {
965 	case MIMEVIEW_TEXT:
966 		gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
967 			gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
968 			GTK_WIDGET_PTR(textview)));
969 		break;
970 	case MIMEVIEW_VIEWER:
971 		gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
972 			gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
973 			GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
974 		break;
975 	default:
976 		return;
977 	}
978 	if (focused)
979 		gtk_widget_grab_focus(focused);
980 	mimeview->type = type;
981 }
982 
mimeview_clear(MimeView * mimeview)983 void mimeview_clear(MimeView *mimeview)
984 {
985 	GtkTreeModel *model;
986 
987 	if (!mimeview)
988 		return;
989 
990 	if (g_slist_find(mimeviews, mimeview) == NULL)
991 		return;
992 
993 	noticeview_hide(mimeview->siginfoview);
994 
995 	model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
996 	gtk_tree_store_clear(GTK_TREE_STORE(model));
997 
998 	textview_clear(mimeview->textview);
999 	if (mimeview->mimeviewer != NULL)
1000 		mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
1001 
1002 	mimeview_free_mimeinfo(mimeview);
1003 
1004 	mimeview->mimeinfo = NULL;
1005 
1006 	gtk_tree_path_free(mimeview->opened);
1007 	mimeview->opened = NULL;
1008 
1009 	g_free(mimeview->file);
1010 	mimeview->file = NULL;
1011 
1012 	icon_list_clear(mimeview);
1013 	mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1014 }
1015 
get_message_check_signature_shortcut(MessageView * messageview)1016 gchar * get_message_check_signature_shortcut(MessageView *messageview) {
1017 	GtkUIManager *ui_manager;
1018 
1019 	if (messageview->window != NULL)
1020 			ui_manager = messageview->ui_manager;
1021 		else
1022 			ui_manager = messageview->mainwin->ui_manager;
1023 
1024 	return cm_menu_item_get_shortcut(ui_manager, "Menu/Message/CheckSignature");
1025 }
1026 
1027 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
1028 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
1029 
update_signature_noticeview(MimeView * mimeview,MimeInfo * mimeinfo,gboolean special,SignatureStatus code)1030 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
1031 					gboolean special, SignatureStatus code)
1032 {
1033 	gchar *text = NULL, *button_text = NULL;
1034 	void  *func = NULL;
1035 	StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1036 	SignatureStatus mycode = SIGNATURE_UNCHECKED;
1037 
1038 	cm_return_if_fail(mimeview != NULL);
1039 	cm_return_if_fail(mimeinfo != NULL);
1040 
1041 	if (special)
1042 		mycode = code;
1043 	else
1044 		mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1045 
1046 	switch (mycode) {
1047 	case SIGNATURE_UNCHECKED:
1048 		button_text = _("Check signature");
1049 		func = check_signature_cb;
1050 		icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1051 		break;
1052 	case SIGNATURE_OK:
1053 		button_text = _("View full information");
1054 		func = display_full_info_cb;
1055 		icon = STOCK_PIXMAP_PRIVACY_PASSED;
1056 		break;
1057 	case SIGNATURE_WARN:
1058 		button_text = _("View full information");
1059 		func = display_full_info_cb;
1060 		icon = STOCK_PIXMAP_PRIVACY_WARN;
1061 		break;
1062 	case SIGNATURE_KEY_EXPIRED:
1063 		button_text = _("View full information");
1064 		func = display_full_info_cb;
1065 		icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1066 		break;
1067 	case SIGNATURE_INVALID:
1068 		button_text = _("View full information");
1069 		func = display_full_info_cb;
1070 		icon = STOCK_PIXMAP_PRIVACY_FAILED;
1071 		break;
1072 	case SIGNATURE_CHECK_FAILED:
1073 	case SIGNATURE_CHECK_TIMEOUT:
1074 		button_text = _("Check again");
1075 		func = check_signature_cb;
1076 		icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1077 		break;
1078 	default:
1079 		break;
1080 	}
1081 	if (mycode == SIGNATURE_UNCHECKED) {
1082 		gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1083 		gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1084 
1085 		if (*shortcut == '\0')
1086 			text = g_strdup_printf(_("%s Click the icon to check it."), tmp);
1087 		else
1088 			text = g_strdup_printf(_("%s Click the icon or hit '%s' to check it."),
1089 				tmp, shortcut);
1090 		g_free(tmp);
1091 		g_free(shortcut);
1092 	} else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1093 		text = privacy_mimeinfo_sig_info_short(mimeinfo);
1094 	} else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1095 		gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1096 
1097 		if (*shortcut == '\0')
1098 			text = g_strdup(_("Timeout checking the signature. Click the icon to try again."));
1099 		else
1100 			text = g_strdup_printf(_("Timeout checking the signature. Click the icon or hit '%s' to try again."), shortcut);
1101 		g_free(shortcut);
1102 	}
1103 
1104 	noticeview_set_text(mimeview->siginfoview, text);
1105 	gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1106 
1107 	g_free(text);
1108 	noticeview_set_button_text(mimeview->siginfoview, NULL);
1109 	noticeview_set_button_press_callback(
1110 		mimeview->siginfoview,
1111 		G_CALLBACK(func),
1112 		(gpointer) mimeview);
1113 	noticeview_set_icon(mimeview->siginfoview, icon);
1114 	noticeview_set_tooltip(mimeview->siginfoview, button_text);
1115 
1116 	icon_list_clear(mimeview);
1117 	icon_list_create(mimeview, mimeview->mimeinfo);
1118 }
1119 
1120 #ifdef USE_PTHREAD
1121 
1122 /* reset all thread stuff, and do the cleanups we've been left to do */
mimeview_check_data_reset(MimeView * mimeview)1123 static void mimeview_check_data_reset(MimeView *mimeview)
1124 {
1125 	gboolean must_free;
1126 	gboolean must_destroy;
1127 
1128 	if (!mimeview->check_data)
1129 		return;
1130 
1131 	must_free = mimeview->check_data->free_after_use;
1132 	must_destroy = mimeview->check_data->destroy_mimeview;
1133 
1134 	if (mimeview->check_data->cancel_th_init) {
1135 		debug_print("killing canceller thread\n");
1136 		mimeview->check_data->cancel_th_init = FALSE;
1137 		pthread_cancel(mimeview->check_data->cancel_th);
1138 	}
1139 
1140 	if (must_free) {
1141 		debug_print("freeing deferred mimeinfo\n");
1142 		procmime_mimeinfo_free_all(&mimeview->check_data->siginfo);
1143 	}
1144 
1145 	g_free(mimeview->check_data);
1146 	mimeview->check_data = NULL;
1147 
1148 	if (must_destroy) {
1149 		debug_print("freeing deferred mimeview\n");
1150 		mimeview_free_mimeinfo(mimeview);
1151 		gtk_tree_path_free(mimeview->opened);
1152 		g_free(mimeview->file);
1153 		g_free(mimeview);
1154 		mimeviews = g_slist_remove(mimeviews, mimeview);
1155 	}
1156 }
1157 
1158 /* GUI update once the checker thread is done or killed */
mimeview_check_sig_thread_cb(void * data)1159 static gboolean mimeview_check_sig_thread_cb(void *data)
1160 {
1161 	MimeView *mimeview = (MimeView *) data;
1162 	MimeInfo *mimeinfo = mimeview->siginfo;
1163 
1164 	debug_print("mimeview_check_sig_thread_cb\n");
1165 
1166 	if (mimeinfo == NULL) {
1167 		/* message changed !? */
1168 		g_warning("no more siginfo!");
1169 		goto end;
1170 	}
1171 
1172 	if (!mimeview->check_data) {
1173 		g_warning("nothing to check");
1174 		return FALSE;
1175 	}
1176 
1177 	if (mimeview->check_data->siginfo != mimeinfo) {
1178 		/* message changed !? */
1179 		g_warning("different siginfo!");
1180 		goto end;
1181 	}
1182 
1183 	if (mimeview->check_data->destroy_mimeview ||
1184 	    mimeview->check_data->free_after_use) {
1185 	    	debug_print("not bothering, we're changing message\n");
1186 		goto end;
1187 	}
1188 
1189 	/* update status */
1190 	if (mimeview->check_data->timeout)
1191 		update_signature_noticeview(mimeview, mimeview->siginfo,
1192 			TRUE, SIGNATURE_CHECK_TIMEOUT);
1193 	else
1194 		update_signature_noticeview(mimeview, mimeview->siginfo,
1195 			FALSE, 0);
1196 
1197 end:
1198 	mimeview_check_data_reset(mimeview);
1199 	return FALSE;
1200 }
1201 
1202 /* sig checker thread */
mimeview_check_sig_worker_thread(void * data)1203 static void *mimeview_check_sig_worker_thread(void *data)
1204 {
1205 	MimeView *mimeview = (MimeView *)data;
1206 	MimeInfo *mimeinfo = mimeview->siginfo;
1207 
1208 	debug_print("checking...\n");
1209 
1210 	if (!mimeview->check_data)
1211 		return NULL;
1212 
1213 	if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1214 		privacy_mimeinfo_check_signature(mimeinfo);
1215 		if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1216 			mimeview->check_data->cancel_th_init = FALSE;
1217 			pthread_cancel(mimeview->check_data->cancel_th);
1218 		}
1219 	} else {
1220 		/* that's strange! we changed message without
1221 		 * getting killed. */
1222 		g_warning("different siginfo!");
1223 		mimeview_check_data_reset(mimeview);
1224 		return NULL;
1225 	}
1226 
1227 	/* use g_timeout so that GUI updates is done from the
1228 	 * correct thread */
1229 	g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1230 
1231 	return NULL;
1232 }
1233 
1234 /* killer thread - acts when the checker didn't work fast
1235  * enough. */
mimeview_check_sig_cancel_thread(void * data)1236 static void *mimeview_check_sig_cancel_thread(void *data)
1237 {
1238 	MimeView *mimeview = (MimeView *)data;
1239 
1240 	if (!mimeview->check_data)
1241 		return NULL; /* nothing to kill ! */
1242 
1243 	/* wait for a few seconds... */
1244 	debug_print("waiting a while\n");
1245 
1246 	g_usleep(5 * 1000 * 1000);
1247 
1248 	if (!mimeview->check_data)
1249 		return NULL; /* nothing to kill, it's done in time :) */
1250 
1251 	/* too late, go away checker thread */
1252 	debug_print("killing checker thread\n");
1253 	if (mimeview->check_data->th_init) {
1254 		mimeview->check_data->th_init = FALSE;
1255 		pthread_cancel(mimeview->check_data->th);
1256 	}
1257 
1258 	/* tell upstream it was a timeout */
1259 	mimeview->check_data->timeout = TRUE;
1260 	/* use g_timeout so that GUI updates is done from the
1261 	 * correct thread */
1262 	g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1263 
1264 	return NULL;
1265 }
1266 
1267 /* get rid of the checker thread right now - used when changing the
1268  * displayed message for example. */
mimeview_check_sig_cancel_now(MimeView * mimeview)1269 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1270 {
1271 	if (!mimeview->check_data)
1272 		return;
1273 	debug_print("killing checker thread NOW\n");
1274 	if (mimeview->check_data->th_init) {
1275 		mimeview->check_data->th_init = FALSE;
1276 		pthread_cancel(mimeview->check_data->th);
1277 	}
1278 
1279 	/* tell upstream it was a timeout */
1280 	mimeview->check_data->timeout = TRUE;
1281 	mimeview_check_sig_thread_cb(mimeview);
1282 	return;
1283 }
1284 
1285 /* creates a thread to check the signature, and a second one
1286  * to kill the first one after a timeout */
mimeview_check_sig_in_thread(MimeView * mimeview)1287 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1288 {
1289 	pthread_t th, th2;
1290 	pthread_attr_t detach, detach2;
1291 
1292 	if (mimeview->check_data) {
1293 		g_warning("already checking it");
1294 		return;
1295 	}
1296 
1297 	mimeview->check_data = g_new0(SigCheckData, 1);
1298 	mimeview->check_data->siginfo = mimeview->siginfo;
1299 	debug_print("creating thread\n");
1300 
1301 	/* init thread attributes and create the checker thread */
1302 	if (pthread_attr_init(&detach) != 0 ||
1303 	    pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1304 	    pthread_attr_init(&detach2) != 0 ||
1305 	    pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1306 	    pthread_create(&th, &detach,
1307 			mimeview_check_sig_worker_thread,
1308 			mimeview) != 0) {
1309 		/* arh. We'll do it synchronously. */
1310 		g_warning("can't create checked thread");
1311 		g_free(mimeview->check_data);
1312 		mimeview->check_data = NULL;
1313 		return;
1314 	} else {
1315 		mimeview->check_data->th = th;
1316 		mimeview->check_data->th_init = TRUE;
1317 	}
1318 
1319 	/* create the killer thread */
1320 	if (pthread_create(&th2, &detach2,
1321 			mimeview_check_sig_cancel_thread,
1322 			mimeview) != 0) {
1323 		g_warning("can't create killer thread");
1324 		g_free(mimeview->check_data);
1325 		mimeview->check_data = NULL;
1326 		return;
1327 	} else {
1328 		mimeview->check_data->cancel_th = th2;
1329 		mimeview->check_data->cancel_th_init = TRUE;
1330 	}
1331 }
1332 #endif
1333 
check_signature_cb(GtkWidget * widget,gpointer user_data)1334 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1335 {
1336 	MimeView *mimeview = (MimeView *) user_data;
1337 	MimeInfo *mimeinfo = mimeview->siginfo;
1338 
1339 	if (mimeinfo == NULL || !noticeview_is_visible(mimeview->siginfoview))
1340 		return;
1341 #ifdef USE_PTHREAD
1342 	if (mimeview->check_data)
1343 		return;
1344 #endif
1345 	noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1346 	GTK_EVENTS_FLUSH();
1347 #ifdef USE_PTHREAD
1348 	/* let's do it non-blocking */
1349 	mimeview_check_sig_in_thread(mimeview);
1350 	if (!mimeview->check_data) /* let's check syncronously */
1351 #endif
1352 	{
1353 		debug_print("checking without thread\n");
1354 		privacy_mimeinfo_check_signature(mimeinfo);
1355 		update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1356 	}
1357 }
1358 
mimeview_check_signature(MimeView * mimeview)1359 void mimeview_check_signature(MimeView *mimeview)
1360 {
1361 	check_signature_cb(NULL, mimeview);
1362 }
1363 
redisplay_email(GtkWidget * widget,gpointer user_data)1364 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1365 {
1366 	MimeView *mimeview = (MimeView *) user_data;
1367 	gtk_tree_path_free(mimeview->opened);
1368 	mimeview->opened = NULL;
1369 	mimeview_selected(gtk_tree_view_get_selection(
1370 			GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1371 }
1372 
display_full_info_cb(GtkWidget * widget,gpointer user_data)1373 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1374 {
1375 	MimeView *mimeview = (MimeView *) user_data;
1376 	gchar *siginfo;
1377 
1378 	siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1379 	textview_set_text(mimeview->textview, siginfo);
1380 	g_free(siginfo);
1381 	noticeview_set_button_text(mimeview->siginfoview, NULL);
1382 	noticeview_set_button_press_callback(
1383 		mimeview->siginfoview,
1384 		G_CALLBACK(redisplay_email),
1385 		(gpointer) mimeview);
1386 	noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1387 }
1388 
update_signature_info(MimeView * mimeview,MimeInfo * selected)1389 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1390 {
1391 	MimeInfo *siginfo;
1392 	MimeInfo *first_text;
1393 
1394 	cm_return_if_fail(mimeview != NULL);
1395 	cm_return_if_fail(selected != NULL);
1396 
1397 	if (selected->type == MIMETYPE_MESSAGE
1398 	&&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1399 		/* if the first text part is signed, check that */
1400 		first_text = selected;
1401 		while (first_text && first_text->type != MIMETYPE_TEXT) {
1402 			first_text = procmime_mimeinfo_next(first_text);
1403 		}
1404 		if (first_text) {
1405 			update_signature_info(mimeview, first_text);
1406 			return;
1407 		}
1408 	}
1409 
1410 	siginfo = selected;
1411 	while (siginfo != NULL) {
1412 		if (privacy_mimeinfo_is_signed(siginfo))
1413 			break;
1414 		siginfo = procmime_mimeinfo_parent(siginfo);
1415 	}
1416 	mimeview->siginfo = siginfo;
1417 
1418 	/* This shortcut boolean is there to correctly set the menu's
1419 	 * CheckSignature item sensitivity without killing performance
1420 	 * each time the menu sensitiveness is updated (a lot).
1421 	 */
1422 	mimeview->signed_part = (siginfo != NULL);
1423 
1424 	if (siginfo == NULL) {
1425 		noticeview_hide(mimeview->siginfoview);
1426 		return;
1427 	}
1428 
1429 	update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1430 	noticeview_show(mimeview->siginfoview);
1431 }
1432 
mimeview_show_part_as_text(MimeView * mimeview,MimeInfo * partinfo)1433 void mimeview_show_part_as_text(MimeView *mimeview, MimeInfo *partinfo)
1434 {
1435 	cm_return_if_fail(mimeview != NULL);
1436 	cm_return_if_fail(partinfo != NULL);
1437 
1438 	mimeview_show_message_part(mimeview, partinfo);
1439 }
1440 
mimeview_selected(GtkTreeSelection * selection,MimeView * mimeview)1441 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1442 {
1443 	GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1444 	GtkTreeModel *model;
1445 	GtkTreeIter iter;
1446 	GtkTreePath *path;
1447 	MimeInfo *partinfo;
1448 	MainWindow *mainwin;
1449 
1450 	selection = gtk_tree_view_get_selection(ctree);
1451 	if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1452 		return;
1453 
1454 	path = gtk_tree_model_get_path(model, &iter);
1455 
1456 	if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1457 		gtk_tree_path_free(path);
1458 		return;
1459 	}
1460 
1461 	gtk_tree_path_free(mimeview->opened);
1462 	mimeview->opened = path;
1463 	mimeview->spec_part = NULL;
1464 	gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1465 
1466 	partinfo = mimeview_get_node_part(mimeview, path);
1467 	if (!partinfo) return;
1468 
1469 	/* ungrab the mouse event */
1470 	if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1471 		gtk_grab_remove(GTK_WIDGET(ctree));
1472 		if (gdk_pointer_is_grabbed())
1473 			gdk_pointer_ungrab(GDK_CURRENT_TIME);
1474 	}
1475 
1476 	mimeview->textview->default_text = FALSE;
1477 
1478 	update_signature_info(mimeview, partinfo);
1479 
1480 	if (!mimeview_show_part(mimeview, partinfo)) {
1481 		switch (partinfo->type) {
1482 		case MIMETYPE_TEXT:
1483 		case MIMETYPE_MESSAGE:
1484 		case MIMETYPE_MULTIPART:
1485 			mimeview_show_message_part(mimeview, partinfo);
1486 
1487 			break;
1488 		default:
1489 			mimeview->textview->default_text = TRUE;
1490 			mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1491 			textview_clear(mimeview->textview);
1492 			textview_show_mime_part(mimeview->textview, partinfo);
1493 			break;
1494 		}
1495 	}
1496 	mainwin = mainwindow_get_mainwindow();
1497 	if (mainwin)
1498 		main_window_set_menu_sensitive(mainwin);
1499 
1500 	if (mimeview->siginfo && privacy_auto_check_signatures(mimeview->siginfo)
1501 	&&  privacy_mimeinfo_get_sig_status(mimeview->siginfo) == SIGNATURE_UNCHECKED) {
1502 		mimeview_check_signature(mimeview);
1503 	}
1504 }
1505 
mimeview_button_pressed(GtkWidget * widget,GdkEventButton * event,MimeView * mimeview)1506 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1507 				    MimeView *mimeview)
1508 {
1509 	GtkTreeSelection *selection;
1510 	GtkTreeIter iter;
1511 
1512 	if (!event) return FALSE;
1513 
1514 	if (event->button == 2 || event->button == 3) {
1515 		selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1516 		if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1517 			return FALSE;
1518 
1519 		gtk_tree_selection_select_iter(selection, &iter);
1520 	}
1521 	part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1522 
1523 	return FALSE;
1524 }
1525 
mimeview_scrolled(GtkWidget * widget,GdkEventScroll * event,MimeView * mimeview)1526 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1527 				    MimeView *mimeview)
1528 {
1529 	GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1530 	if (event->direction == GDK_SCROLL_UP) {
1531 		scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1532 	} else {
1533 		scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1534 	}
1535 	gtk_vscrollbutton_scroll(scrollbutton);
1536 	return TRUE;
1537 }
1538 
part_button_pressed(MimeView * mimeview,GdkEventButton * event,MimeInfo * partinfo)1539 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1540 				    MimeInfo *partinfo)
1541 {
1542 	static MimeInfo *lastinfo;
1543 	static guint32 lasttime;
1544 
1545 	gint double_click_time;
1546 	g_object_get(gtk_settings_get_default(), "gtk-double-click-time", &double_click_time, NULL);
1547 
1548 	if (event->button == 2 ||
1549 	    (event->button == 1 && (event->time - lasttime) < double_click_time && lastinfo == partinfo)) {
1550 		/* call external program for image, audio or html */
1551 		mimeview_launch(mimeview, partinfo);
1552 		return TRUE;
1553 	} else if (event->button == 3) {
1554 		MainWindow *mainwin = mainwindow_get_mainwindow();
1555 
1556 		if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1557 				 partinfo->type == MIMETYPE_IMAGE ||
1558 				 partinfo->type == MIMETYPE_MULTIPART))
1559 			cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1560 		else
1561 			cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1562 
1563 		if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1564 				 partinfo->type == MIMETYPE_IMAGE ||
1565 				 partinfo->type == MIMETYPE_TEXT))
1566 			cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Copy", TRUE);
1567 		else
1568 			cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Copy", FALSE);
1569 #ifndef G_OS_WIN32
1570 		if (partinfo &&
1571 		    partinfo->type == MIMETYPE_APPLICATION &&
1572 		    !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1573 			cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1574 		else
1575 #endif
1576 			cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1577 		if (mainwin)
1578 			main_window_set_menu_sensitive(mainwin);
1579 		g_object_set_data(G_OBJECT(mimeview->popupmenu),
1580 				  "pop_partinfo", partinfo);
1581 
1582 		gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1583 			       NULL, NULL, NULL, NULL,
1584 			       event->button, event->time);
1585 		return TRUE;
1586 	}
1587 
1588 	lastinfo = partinfo;
1589 	lasttime = event->time;
1590 	return FALSE;
1591 }
1592 
1593 
mimeview_pass_key_press_event(MimeView * mimeview,GdkEventKey * event)1594 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1595 {
1596 	return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1597 }
1598 
mimeview_select_next_part(MimeView * mimeview)1599 void mimeview_select_next_part(MimeView *mimeview)
1600 {
1601 	GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1602 	GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1603 	GtkTreeSelection *selection;
1604 	GtkTreeIter iter;
1605 	GtkTreePath *path;
1606 	MimeInfo *partinfo = NULL;
1607 	gboolean has_next;
1608 
1609 	if (!mimeview->opened) return;
1610 
1611 	gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1612 	path = gtk_tree_model_get_path(model, &iter);
1613 skip:
1614 	has_next = mimeview_tree_next(model, path);
1615 	if (!has_next) {
1616 		has_next = gtk_tree_model_get_iter_first(model, &iter);
1617 		gtk_tree_path_free(path);
1618 		path = gtk_tree_model_get_path(model, &iter);
1619 	}
1620 
1621 	if (has_next) {
1622 		partinfo = mimeview_get_node_part(mimeview, path);
1623 		if (partinfo->type == MIMETYPE_MULTIPART ||
1624 		    (!prefs_common.show_inline_attachments && partinfo->id))
1625 			goto skip;
1626 		selection = gtk_tree_view_get_selection(ctree);
1627 		gtk_tree_selection_select_path(selection, path);
1628 		icon_list_toggle_by_mime_info(mimeview, partinfo);
1629 	}
1630 
1631 	gtk_tree_path_free(path);
1632 }
1633 
mimeview_select_prev_part(MimeView * mimeview)1634 void mimeview_select_prev_part(MimeView *mimeview)
1635 {
1636 	GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1637 	GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1638 	GtkTreeSelection *selection;
1639 	GtkTreeIter iter;
1640 	GtkTreePath *path;
1641 	MimeInfo *partinfo = NULL;
1642 	gboolean has_prev;
1643 
1644 	if (!mimeview->opened) return;
1645 
1646 	gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1647 	path = gtk_tree_model_get_path(model, &iter);
1648 skip:
1649 	has_prev = mimeview_tree_prev(mimeview, path);
1650 	if (!has_prev) {
1651 		while (mimeview_tree_next(model, path)) {}
1652 		has_prev = TRUE;
1653 	}
1654 
1655 	if (has_prev) {
1656 		partinfo = mimeview_get_node_part(mimeview, path);
1657 		if (partinfo->type == MIMETYPE_MULTIPART ||
1658 		    (!prefs_common.show_inline_attachments && partinfo->id))
1659 			goto skip;
1660 		selection = gtk_tree_view_get_selection(ctree);
1661 		gtk_tree_selection_select_path(selection, path);
1662 		icon_list_toggle_by_mime_info(mimeview, partinfo);
1663 	}
1664 
1665 	gtk_tree_path_free(path);
1666 }
1667 
1668 #define BREAK_ON_MODIFIER_KEY() \
1669 	if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1670 
mimeview_key_pressed(GtkWidget * widget,GdkEventKey * event,MimeView * mimeview)1671 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1672 				 MimeView *mimeview)
1673 {
1674 	SummaryView *summaryview;
1675 
1676 	if (!event) return FALSE;
1677 	if (!mimeview->opened) return FALSE;
1678 
1679 	summaryview = mimeview->messageview->mainwin->summaryview;
1680 
1681 	if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1682 		return FALSE;
1683 
1684 	switch (event->keyval) {
1685 	case GDK_KEY_Home:
1686 	case GDK_KEY_End:
1687 		textview_scroll_max(mimeview->textview,
1688 				    (event->keyval == GDK_KEY_Home));
1689 		return TRUE;
1690 	case GDK_KEY_Page_Down:
1691 	case GDK_KEY_space:
1692 		if (mimeview_scroll_page(mimeview,
1693 					 (event->state & GDK_SHIFT_MASK) != 0))
1694 			return TRUE;
1695 
1696 		if (!(event->state & GDK_SHIFT_MASK))
1697 			mimeview_select_next_part(mimeview);
1698 		return TRUE;
1699 	case GDK_KEY_Page_Up:
1700 	case GDK_KEY_BackSpace:
1701 		mimeview_scroll_page(mimeview, TRUE);
1702 		return TRUE;
1703 	case GDK_KEY_Return:
1704 	case GDK_KEY_KP_Enter:
1705 		mimeview_scroll_one_line(mimeview,
1706 					 (event->state & GDK_MOD1_MASK) != 0);
1707 		return TRUE;
1708 	case GDK_KEY_Up:
1709 	case GDK_KEY_Down:
1710 		mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1711 		return TRUE;
1712 	default:
1713 		break;
1714 	}
1715 
1716 	if (mimeview->messageview->new_window) return FALSE;
1717 
1718 	return summary_pass_key_press_event(summaryview, event);
1719 }
1720 
mimeview_drag_data_get(GtkWidget * widget,GdkDragContext * drag_context,GtkSelectionData * selection_data,guint info,guint time,MimeView * mimeview)1721 static void mimeview_drag_data_get(GtkWidget	    *widget,
1722 				   GdkDragContext   *drag_context,
1723 				   GtkSelectionData *selection_data,
1724 				   guint	     info,
1725 				   guint	     time,
1726 				   MimeView	    *mimeview)
1727 {
1728 	gchar *filename = NULL, *uriname, *tmp;
1729 	MimeInfo *partinfo;
1730 	gint err;
1731 	gint count = 0;
1732 
1733 	if (!mimeview->opened) return;
1734 	if (!mimeview->file) return;
1735 
1736 	partinfo = mimeview_get_selected_part(mimeview);
1737 	if (!partinfo) return;
1738 
1739 	if (strlen(get_part_name(partinfo)) > 0) {
1740 		filename = g_path_get_basename(get_part_name(partinfo));
1741 		if (*filename == '\0') return;
1742 	} else if (partinfo->type == MIMETYPE_MESSAGE
1743 		   && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1744 		gchar *name = NULL;
1745 		GPtrArray *headers = NULL;
1746 		FILE *fp;
1747 
1748 		fp = claws_fopen(partinfo->data.filename, "rb");
1749 		if (fp != NULL && fseek(fp, partinfo->offset, SEEK_SET) == 0) {
1750 			headers = procheader_get_header_array_asis(fp);
1751 			if (headers) {
1752 				gint i;
1753 				for (i = 0; i < headers->len; i++) {
1754 					Header *header = g_ptr_array_index(headers, i);
1755 					if (procheader_headername_equal(header->name, "Subject")) {
1756 						unfold_line(header->body);
1757 						name = g_strconcat(header->body, ".txt", NULL);
1758 						subst_for_filename(name);
1759 					}
1760 				}
1761 				procheader_header_array_destroy(headers);
1762 			}
1763 		}
1764 		if (fp != NULL)
1765 			claws_fclose(fp);
1766 		if (name)
1767 			filename = g_path_get_basename(name);
1768 		g_free(name);
1769 	}
1770 	if (filename == NULL)
1771 		filename = g_path_get_basename("Unnamed part");
1772 
1773 	if (!g_utf8_validate(filename, -1, NULL))
1774 		tmp = conv_codeset_strdup(filename,
1775 				conv_get_locale_charset_str(),
1776 				CS_UTF_8);
1777 	else
1778 		tmp = g_strdup(filename);
1779 
1780 	if (tmp == NULL) {
1781 		g_warning("filename not in UTF-8");
1782 		tmp = g_strdup("Unnamed part");
1783 	}
1784 	filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1785 			       tmp, NULL);
1786 
1787 check_new_file:
1788 	if (is_file_exist(filename)) {
1789 		gchar *ext = NULL;
1790 		gchar *prefix = NULL;
1791 		gchar *new_name = NULL;
1792 		if (strrchr(tmp, '.')) {
1793 			prefix = g_strdup(tmp);
1794 			ext = g_strdup(strrchr(tmp, '.'));
1795 			*(strrchr(prefix, '.')) = '\0';
1796 		} else {
1797 			prefix = g_strdup(tmp);
1798 			ext = g_strdup("");
1799 		}
1800 		count++;
1801 		new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1802 		g_free(prefix);
1803 		g_free(ext);
1804 		g_free(filename);
1805 		filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1806 			       new_name, NULL);
1807 		g_free(new_name);
1808 		goto check_new_file;
1809 	}
1810 
1811 	g_free(tmp);
1812 
1813 	if ((err = procmime_get_part(filename, partinfo)) < 0)
1814 		alertpanel_error
1815 			(_("Couldn't save the part of multipart message: %s"),
1816 				g_strerror(-err));
1817 
1818 	tmp = g_filename_to_uri(filename, NULL, NULL);
1819 	uriname = g_strconcat(tmp, "\r\n", NULL);
1820 	g_free(tmp);
1821 
1822 	gtk_selection_data_set(selection_data,
1823                    gtk_selection_data_get_target(selection_data), 8,
1824 			       (guchar *)uriname, strlen(uriname));
1825 
1826 	g_free(uriname);
1827 	g_free(filename);
1828 }
1829 
1830 /**
1831  * Returns a filename (with path) for an attachment
1832  * \param partinfo The attachment to save
1833  * \param basedir The target directory
1834  * \param number Used for dummy filename if attachment is unnamed
1835  */
mimeview_get_filename_for_part(MimeInfo * partinfo,const gchar * basedir,gint number)1836 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1837 				      const gchar *basedir,
1838 				      gint number)
1839 {
1840 	gchar *fullname;
1841 	gchar *filename;
1842 
1843 	filename = g_strdup(get_part_name(partinfo));
1844 	if (!filename || !*filename) {
1845 		g_free(filename);
1846 		filename = g_strdup_printf("noname.%d", number);
1847 	}
1848 
1849 	if (!g_utf8_validate(filename, -1, NULL)) {
1850 		gchar *tmp = conv_filename_to_utf8(filename);
1851 		g_free(filename);
1852 		filename = tmp;
1853 	}
1854 
1855 	subst_for_filename(filename);
1856 
1857 	fullname = g_strconcat
1858 		(basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1859 		 ? &filename[1] : filename, NULL);
1860 
1861 	g_free(filename);
1862 	filename = conv_filename_from_utf8(fullname);
1863 	g_free(fullname);
1864 	return filename;
1865 }
1866 
1867 /**
1868  * Write a single attachment to file
1869  * \param filename Filename with path
1870  * \param partinfo Attachment to save
1871  */
mimeview_write_part(const gchar * filename,MimeInfo * partinfo,gboolean handle_error)1872 static gboolean mimeview_write_part(const gchar *filename,
1873 				    MimeInfo *partinfo,
1874 				    gboolean handle_error)
1875 {
1876 	gchar *dir;
1877 	gint err;
1878 
1879 	dir= g_path_get_dirname(filename);
1880 	if (!is_dir_exist(dir))
1881 		make_dir_hier(dir);
1882 	g_free(dir);
1883 
1884 	if (is_file_exist(filename)) {
1885 		AlertValue aval;
1886 		gchar *res;
1887 		gchar *tmp;
1888 
1889 		if (!g_utf8_validate(filename, -1, NULL))
1890 			tmp = conv_filename_to_utf8(filename);
1891 		else
1892 			tmp = g_strdup(filename);
1893 
1894 		res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1895 				      tmp);
1896 		g_free(tmp);
1897 		aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1898 				  GTK_STOCK_OK, NULL, ALERTFOCUS_FIRST);
1899 		g_free(res);
1900 		if (G_ALERTALTERNATE != aval) return FALSE;
1901 	}
1902 
1903 	if ((err = procmime_get_part(filename, partinfo)) < 0) {
1904 		debug_print("error saving MIME part: %d\n", err);
1905 		if (handle_error)
1906 			alertpanel_error
1907 				(_("Couldn't save the part of multipart message: %s"),
1908 				 g_strerror(-err));
1909 		return FALSE;
1910 	}
1911 
1912 	return TRUE;
1913 }
1914 
mimeview_save_all_error_ask(gint n)1915 static AlertValue mimeview_save_all_error_ask(gint n)
1916 {
1917 	gchar *message = g_strdup_printf(
1918 		_("An error has occurred while saving message part #%d. "
1919 		"Do you want to cancel operation or skip error and "
1920 		"continue?"), n);
1921 	AlertValue av = alertpanel_full(_("Error saving all message parts"),
1922 		message, GTK_STOCK_CANCEL, _("Skip"), _("Skip all"),
1923 		ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING);
1924 	g_free(message);
1925 	return av;
1926 }
1927 
mimeview_save_all_info(gint errors,gint total)1928 static void mimeview_save_all_info(gint errors, gint total)
1929 {
1930 	if (!errors) {
1931 		gchar *msg = g_strdup_printf(
1932 				ngettext("%d file saved successfully.",
1933 					"%d files saved successfully.",
1934 					total),
1935 				total);
1936 		alertpanel_notice("%s", msg);
1937 		g_free(msg);
1938 	} else {
1939 		gchar *msg1 = g_strdup_printf(
1940 				ngettext("%d file saved successfully",
1941 					"%d files saved successfully",
1942 					total - errors),
1943 				total - errors);
1944 		gchar *msg2 = g_strdup_printf(
1945 				ngettext("%s, %d file failed.",
1946 					"%s, %d files failed.",
1947 					errors),
1948 				msg1, errors);
1949 		alertpanel_warning("%s", msg2);
1950 		g_free(msg2);
1951 		g_free(msg1);
1952 	}
1953 }
1954 
1955 /**
1956  * Menu callback: Save all attached files
1957  * \param mimeview Current display
1958  */
mimeview_save_all(MimeView * mimeview)1959 static void mimeview_save_all(MimeView *mimeview)
1960 {
1961 	MimeInfo *partinfo;
1962 	gchar *dirname;
1963 	gchar *startdir = NULL;
1964 	gint number = 1, errors = 0;
1965 	gboolean skip_errors = FALSE;
1966 
1967 	if (!mimeview->opened) return;
1968 	if (!mimeview->file) return;
1969 	if (!mimeview->mimeinfo) return;
1970 
1971 	partinfo = mimeview->mimeinfo;
1972 	if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1973 		startdir = g_strconcat(prefs_common.attach_save_dir, G_DIR_SEPARATOR_S, NULL);
1974 	else
1975 		startdir = g_strdup(get_home_dir());
1976 
1977 	manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1978 	dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1979 	if (!dirname) {
1980 		g_free(startdir);
1981 		return;
1982 	}
1983 
1984 	if (!is_dir_exist (dirname)) {
1985 		alertpanel_error(_("'%s' is not a directory."), dirname);
1986 		g_free(startdir);
1987 		g_free(dirname);
1988 		return;
1989 	}
1990 
1991 	if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1992 		dirname[strlen(dirname)-1] = '\0';
1993 
1994 	/* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1995 	if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1996 		partinfo = procmime_mimeinfo_next(partinfo);
1997 	if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1998 		partinfo = procmime_mimeinfo_next(partinfo);
1999 		if (partinfo && partinfo->type == MIMETYPE_TEXT)
2000 			partinfo = procmime_mimeinfo_next(partinfo);
2001 	}
2002 
2003 	while (partinfo != NULL) {
2004 		if (partinfo->type != MIMETYPE_MESSAGE &&
2005 		    partinfo->type != MIMETYPE_MULTIPART &&
2006 		    (partinfo->disposition != DISPOSITIONTYPE_INLINE
2007 		     || get_real_part_name(partinfo) != NULL)) {
2008 			gchar *filename = mimeview_get_filename_for_part(
2009 				partinfo, dirname, number++);
2010 
2011 			gboolean ok = mimeview_write_part(filename, partinfo, FALSE);
2012 			g_free(filename);
2013 			if (!ok) {
2014 				++errors;
2015 				if (!skip_errors) {
2016 					AlertValue av = mimeview_save_all_error_ask(number - 1);
2017 					skip_errors = (av == G_ALERTOTHER);
2018 					if (av == G_ALERTDEFAULT) /* cancel */
2019 						break;
2020 				}
2021 			}
2022 		}
2023 		partinfo = procmime_mimeinfo_next(partinfo);
2024 	}
2025 
2026 	g_free(prefs_common.attach_save_dir);
2027 	g_free(startdir);
2028 	prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
2029 					-1, NULL, NULL, NULL);
2030 	g_free(dirname);
2031 
2032 	mimeview_save_all_info(errors, number - 1);
2033 }
2034 
mimeview_get_part_to_use(MimeView * mimeview)2035 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
2036 {
2037 	MimeInfo *partinfo = NULL;
2038 	if (mimeview->spec_part) {
2039 		partinfo = mimeview->spec_part;
2040 		mimeview->spec_part = NULL;
2041 	} else {
2042 		partinfo = (MimeInfo *) g_object_get_data
2043 			 (G_OBJECT(mimeview->popupmenu),
2044 			 "pop_partinfo");
2045 		g_object_set_data(G_OBJECT(mimeview->popupmenu),
2046 				  "pop_partinfo", NULL);
2047 		if (!partinfo) {
2048 			partinfo = mimeview_get_selected_part(mimeview);
2049 		}
2050 	}
2051 
2052 	return partinfo;
2053 }
2054 /**
2055  * Menu callback: Save the selected attachment
2056  * \param mimeview Current display
2057  */
mimeview_save_as(MimeView * mimeview)2058 void mimeview_save_as(MimeView *mimeview)
2059 {
2060 	gchar *filename;
2061 	gchar *filepath = NULL;
2062 	gchar *filedir = NULL;
2063 	MimeInfo *partinfo;
2064 	gchar *partname = NULL;
2065 
2066 	if (!mimeview->opened) return;
2067 	if (!mimeview->file) return;
2068 
2069 	partinfo = mimeview_get_part_to_use(mimeview);
2070 
2071 	cm_return_if_fail(partinfo != NULL);
2072 
2073 	if (get_part_name(partinfo) == NULL) {
2074 		return;
2075 	}
2076 	partname = g_strdup(get_part_name(partinfo));
2077 
2078 	if (!g_utf8_validate(partname, -1, NULL)) {
2079 		gchar *tmp = conv_filename_to_utf8(partname);
2080 		if (!tmp) {
2081 			tmp = conv_codeset_strdup(partname,
2082 				conv_get_locale_charset_str(),
2083 				CS_UTF_8);
2084 		}
2085 		if (tmp) {
2086 			g_free(partname);
2087 			partname = tmp;
2088 		}
2089 	}
2090 
2091 	subst_for_filename(partname);
2092 
2093 	if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
2094 		filepath = g_strconcat(prefs_common.attach_save_dir,
2095 				       G_DIR_SEPARATOR_S, partname, NULL);
2096 	else
2097 		filepath = g_strdup(partname);
2098 
2099 	g_free(partname);
2100 
2101 	manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
2102 	filename = filesel_select_file_save(_("Save as"), filepath);
2103 	if (!filename) {
2104 		g_free(filepath);
2105 		return;
2106 	}
2107 
2108 	mimeview_write_part(filename, partinfo, TRUE);
2109 
2110 	filedir = g_path_get_dirname(filename);
2111 	if (filedir && strcmp(filedir, ".")) {
2112 		g_free(prefs_common.attach_save_dir);
2113 		prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2114 	}
2115 
2116 	g_free(filedir);
2117 	g_free(filepath);
2118 }
2119 
mimeview_display_as_text(MimeView * mimeview)2120 void mimeview_display_as_text(MimeView *mimeview)
2121 {
2122 	MimeInfo *partinfo;
2123 
2124 	if (!mimeview->opened) return;
2125 
2126 	partinfo = mimeview_get_part_to_use(mimeview);
2127 	mimeview_select_mimepart_icon(mimeview, partinfo);
2128 	cm_return_if_fail(partinfo != NULL);
2129 	mimeview_show_message_part(mimeview, partinfo);
2130 }
2131 
mimeview_launch(MimeView * mimeview,MimeInfo * partinfo)2132 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2133 {
2134 	gchar *filename;
2135 	gint err;
2136 
2137 	if (!mimeview->opened) return;
2138 	if (!mimeview->file) return;
2139 
2140 	if (!partinfo)
2141 		partinfo = mimeview_get_part_to_use(mimeview);
2142 
2143 	cm_return_if_fail(partinfo != NULL);
2144 
2145 	filename = procmime_get_tmp_file_name(partinfo);
2146 
2147 	if ((err = procmime_get_part(filename, partinfo)) < 0)
2148 		alertpanel_error
2149 			(_("Couldn't save the part of multipart message: %s"),
2150 				g_strerror(-err));
2151 	else
2152 		mimeview_view_file(filename, partinfo, NULL, mimeview);
2153 
2154 	g_free(filename);
2155 }
2156 
2157 #ifndef G_OS_WIN32
mimeview_open_with(MimeView * mimeview)2158 void mimeview_open_with(MimeView *mimeview)
2159 {
2160 	MimeInfo *partinfo;
2161 
2162 	if (!mimeview) return;
2163 	if (!mimeview->opened) return;
2164 	if (!mimeview->file) return;
2165 
2166 	partinfo = mimeview_get_part_to_use(mimeview);
2167 
2168 	mimeview_open_part_with(mimeview, partinfo, FALSE);
2169 }
2170 
mimeview_open_part_with(MimeView * mimeview,MimeInfo * partinfo,gboolean automatic)2171 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2172 {
2173 	gchar *filename;
2174 	gchar *cmd;
2175 	gchar *mime_command = NULL;
2176 	gchar *content_type = NULL;
2177 	gint err;
2178 
2179 	cm_return_if_fail(partinfo != NULL);
2180 
2181 	filename = procmime_get_tmp_file_name(partinfo);
2182 
2183 	if ((err = procmime_get_part(filename, partinfo)) < 0) {
2184 		alertpanel_error
2185 			(_("Couldn't save the part of multipart message: %s"),
2186 				g_strerror(-err));
2187 		g_free(filename);
2188 		return;
2189 	}
2190 
2191 	if (!prefs_common.mime_open_cmd_history)
2192 		prefs_common.mime_open_cmd_history =
2193 			add_history(NULL, prefs_common.mime_open_cmd);
2194 
2195 	if ((partinfo->type == MIMETYPE_APPLICATION) &&
2196             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2197 	    	/* guess content-type from filename */
2198 	    	content_type = procmime_get_mime_type(filename);
2199 	}
2200 	if (content_type == NULL) {
2201 		content_type = procmime_get_content_type_str(partinfo->type,
2202 			partinfo->subtype);
2203 	}
2204 
2205 	if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2206 	&& prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2207 		mime_command = g_strdup(prefs_common_get_uri_cmd());
2208 		g_free(content_type);
2209 		content_type = NULL;
2210 	} else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2211 	||  !prefs_common_get_ext_editor_cmd()[0]) {
2212 		mime_command = mailcap_get_command_for_type(content_type, filename);
2213 	} else {
2214 		mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2215 		g_free(content_type);
2216 		content_type = NULL;
2217 	}
2218 	if (mime_command == NULL) {
2219 		/* try with extension this time */
2220 		g_free(content_type);
2221 		content_type = procmime_get_mime_type(filename);
2222 		mime_command = mailcap_get_command_for_type(content_type, filename);
2223 	}
2224 
2225 	if (mime_command == NULL)
2226 		automatic = FALSE;
2227 
2228 	if (!automatic) {
2229 		gboolean remember = FALSE;
2230 		if (content_type != NULL)
2231 			cmd = input_dialog_combo_remember
2232 				(_("Open with"),
2233 				 _("Enter the command-line to open file:\n"
2234 				   "('%s' will be replaced with file name)"),
2235 				 mime_command ? mime_command : prefs_common.mime_open_cmd,
2236 				 prefs_common.mime_open_cmd_history, &remember);
2237 		else
2238 			cmd = input_dialog_combo
2239 				(_("Open with"),
2240 				 _("Enter the command-line to open file:\n"
2241 				   "('%s' will be replaced with file name)"),
2242 				 mime_command ? mime_command : prefs_common.mime_open_cmd,
2243 				 prefs_common.mime_open_cmd_history);
2244 		if (cmd && remember) {
2245 			mailcap_update_default(content_type, cmd);
2246 		}
2247 		g_free(mime_command);
2248 	} else {
2249 		cmd = mime_command;
2250 	}
2251 	if (cmd) {
2252 		mimeview_view_file(filename, partinfo, cmd, mimeview);
2253 		g_free(prefs_common.mime_open_cmd);
2254 		prefs_common.mime_open_cmd = cmd;
2255 		prefs_common.mime_open_cmd_history =
2256 			add_history(prefs_common.mime_open_cmd_history, cmd);
2257 	}
2258 
2259 	g_free(content_type);
2260 	g_free(filename);
2261 }
2262 #endif
2263 
mimeview_send_to(MimeView * mimeview,MimeInfo * partinfo)2264 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2265 {
2266 	GList *attach_file = NULL;
2267 	AttachInfo *ainfo = NULL;
2268 	gchar *filename;
2269 	gint err;
2270 
2271 	if (!mimeview->opened) return;
2272 	if (!mimeview->file) return;
2273 
2274 	cm_return_if_fail(partinfo != NULL);
2275 
2276 	filename = procmime_get_tmp_file_name(partinfo);
2277 
2278 	if (!(err = procmime_get_part(filename, partinfo))) {
2279 		ainfo = g_new0(AttachInfo, 1);
2280 		ainfo->file = filename;
2281 		ainfo->name = g_strdup(get_part_name(partinfo));
2282 		ainfo->content_type = procmime_get_content_type_str(
2283 					partinfo->type, partinfo->subtype);
2284 		ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2285 					partinfo, "charset"));
2286 		attach_file = g_list_append(attach_file, ainfo);
2287 
2288 		compose_new(NULL, NULL, attach_file);
2289 
2290 		g_free(ainfo->name);
2291 		g_free(ainfo->content_type);
2292 		g_free(ainfo->charset);
2293 		g_free(ainfo);
2294 		g_list_free(attach_file);
2295 	} else
2296 		alertpanel_error
2297 			(_("Couldn't save the part of multipart message: %s"),
2298 				g_strerror(-err));
2299 	g_free(filename);
2300 }
2301 
mimeview_view_file(const gchar * filename,MimeInfo * partinfo,const gchar * cmd,MimeView * mimeview)2302 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2303 			       const gchar *cmd, MimeView *mimeview)
2304 {
2305 #ifndef G_OS_WIN32
2306 	gchar *p;
2307 	gchar buf[BUFFSIZE];
2308 
2309 	if (cmd == NULL)
2310 		mimeview_open_part_with(mimeview, partinfo, TRUE);
2311 	else {
2312 		if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2313 		    !strchr(p + 2, '%')) {
2314 			g_snprintf(buf, sizeof(buf), cmd, filename);
2315 			if (!prefs_common.save_parts_readwrite)
2316 				g_chmod(filename, S_IRUSR);
2317 			else
2318 				g_chmod(filename, S_IRUSR|S_IWUSR);
2319  		} else {
2320 			g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2321 			mimeview_open_part_with(mimeview, partinfo, FALSE);
2322  		}
2323 		if (execute_command_line(buf, TRUE, NULL) != 0) {
2324 			if (!prefs_common.save_parts_readwrite)
2325 				g_chmod(filename, S_IRUSR|S_IWUSR);
2326 			mimeview_open_part_with(mimeview, partinfo, FALSE);
2327 		}
2328 	}
2329 #else
2330 	SHFILEINFO file_info;
2331 	GError *error = NULL;
2332 	gunichar2 *fn16 = g_utf8_to_utf16(filename, -1, NULL, NULL, &error);
2333 
2334 	if (error != NULL) {
2335 		alertpanel_error(_("Could not convert attachment name to UTF-16:\n\n%s"),
2336 					error->message);
2337 		debug_print("filename '%s' conversion to UTF-16 failed\n", filename);
2338 		g_error_free(error);
2339 		return;
2340 	}
2341 
2342 	if ((SHGetFileInfo((LPCWSTR)fn16, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2343 		AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2344 				      _("This attachment is an executable file. Executing "
2345 				        "untrusted binaries is dangerous and could compromise "
2346 					"your computer.\n\n"
2347 					"Do you want to run this file?"), GTK_STOCK_CANCEL,
2348 					_("Run binary"),
2349 		      		      NULL, ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING);
2350 		if (val == G_ALERTALTERNATE) {
2351 			debug_print("executing binary\n");
2352 			ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2353 		}
2354 	} else {
2355 		ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2356 	}
2357 
2358 	g_free(fn16);
2359 
2360 #endif
2361 }
2362 
mimeview_register_viewer_factory(MimeViewerFactory * factory)2363 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2364 {
2365 	mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2366 }
2367 
cmp_viewer_by_factroy(gconstpointer a,gconstpointer b)2368 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2369 {
2370 	return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2371 }
2372 
mimeview_unregister_viewer_factory(MimeViewerFactory * factory)2373 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2374 {
2375 	GSList *mimeview_list, *viewer_list;
2376 
2377 	for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2378 		MimeView *mimeview = (MimeView *) mimeview_list->data;
2379 
2380 		if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2381 			mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2382 			mimeview->mimeviewer = NULL;
2383 		}
2384 
2385 		while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2386 			MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2387 
2388 			mimeviewer->destroy_viewer(mimeviewer);
2389 			mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2390 		}
2391 	}
2392 
2393 	mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2394 }
2395 
icon_clicked_cb(GtkWidget * button,GdkEventButton * event,MimeView * mimeview)2396 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2397 {
2398 	gint      num;
2399 	MimeInfo *partinfo;
2400 
2401 	num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2402 	partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2403 
2404 	if (event->button == 1) {
2405 		icon_selected(mimeview, num, partinfo);
2406 		gtk_widget_grab_focus(button);
2407 		icon_list_toggle_by_mime_info(mimeview, partinfo);
2408 	}
2409 	part_button_pressed(mimeview, event, partinfo);
2410 
2411 	return FALSE;
2412 }
2413 
icon_selected(MimeView * mimeview,gint num,MimeInfo * partinfo)2414 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2415 {
2416 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2417 	GtkTreeIter iter;
2418 	GtkTreePath *path;
2419 	MimeInfo *curr = NULL;
2420 
2421 	if (!gtk_tree_model_get_iter_first(model, &iter))
2422 		return;
2423 	path = gtk_tree_model_get_path(model, &iter);
2424 
2425 	do {
2426 		gtk_tree_model_get_iter(model, &iter, path);
2427 		gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2428 		if (curr == partinfo) {
2429 			GtkTreeSelection *sel = gtk_tree_view_get_selection(
2430 						GTK_TREE_VIEW(mimeview->ctree));
2431 			gtk_tree_selection_select_iter(sel, &iter);
2432 			gtk_tree_path_free(path);
2433 			return;
2434 		}
2435 	} while (mimeview_tree_next(model, path));
2436 
2437 	gtk_tree_path_free(path);
2438 }
2439 
mimeview_select_mimepart_icon(MimeView * mimeview,MimeInfo * partinfo)2440 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2441 {
2442 	icon_list_toggle_by_mime_info(mimeview, partinfo);
2443 	icon_selected(mimeview, -1, partinfo);
2444 }
2445 
icon_key_pressed(GtkWidget * button,GdkEventKey * event,MimeView * mimeview)2446 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2447 			     MimeView *mimeview)
2448 {
2449 	SummaryView  *summaryview;
2450 
2451 	if (!event) return FALSE;
2452 
2453 	switch (event->keyval) {
2454 	case GDK_KEY_space:
2455 		if (mimeview_scroll_page(mimeview, FALSE))
2456 			return TRUE;
2457 
2458 		mimeview_select_next_part(mimeview);
2459 		return TRUE;
2460 
2461 		break;
2462 	case GDK_KEY_BackSpace:
2463 		mimeview_scroll_page(mimeview, TRUE);
2464 		return TRUE;
2465 	case GDK_KEY_Return:
2466 	case GDK_KEY_KP_Enter:
2467 		mimeview_scroll_one_line(mimeview,
2468 					 (event->state & GDK_MOD1_MASK) != 0);
2469 		return TRUE;
2470 	case GDK_KEY_y:
2471 		BREAK_ON_MODIFIER_KEY();
2472 		mimeview_save_as(mimeview);
2473 		return TRUE;
2474 	case GDK_KEY_t:
2475 		BREAK_ON_MODIFIER_KEY();
2476 		mimeview_display_as_text(mimeview);
2477 		return TRUE;
2478 	case GDK_KEY_l:
2479 		BREAK_ON_MODIFIER_KEY();
2480 		mimeview_launch(mimeview, NULL);
2481 		return TRUE;
2482 #ifndef G_OS_WIN32
2483 	case GDK_KEY_o:
2484 		BREAK_ON_MODIFIER_KEY();
2485 		mimeview_open_with(mimeview);
2486 		return TRUE;
2487 #endif
2488 	case GDK_KEY_c:
2489 		BREAK_ON_MODIFIER_KEY();
2490 		mimeview_check_signature(mimeview);
2491 		return TRUE;
2492 	case GDK_KEY_a:
2493 		BREAK_ON_MODIFIER_KEY();
2494 		mimeview_select_next_part(mimeview);
2495 		return TRUE;
2496 	default:
2497 		break;
2498 	}
2499 
2500 	if (!mimeview->messageview->mainwin) return FALSE;
2501 	summaryview = mimeview->messageview->mainwin->summaryview;
2502 	return summary_pass_key_press_event(summaryview, event);
2503 }
2504 
icon_popup_menu(GtkWidget * widget,gpointer data)2505 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2506 {
2507 	MimeView *mimeview = (MimeView *)data;
2508 	MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2509 
2510 	g_object_set_data(G_OBJECT(mimeview->popupmenu),
2511 			  "pop_partinfo", partinfo);
2512 	gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2513 		       NULL, NULL, NULL, NULL,
2514 		       0, gtk_get_current_event_time());
2515 	return TRUE;
2516 }
2517 
icon_list_append_icon(MimeView * mimeview,MimeInfo * mimeinfo)2518 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2519 {
2520 	GtkWidget *pixmap = NULL;
2521 	GtkWidget *vbox;
2522 	GtkWidget *button;
2523 	gchar *tip;
2524 	gchar *tiptmp;
2525 	const gchar *desc = NULL;
2526 	gchar *sigshort = NULL;
2527 	gchar *content_type;
2528 	StockPixmap stockp;
2529 	MimeInfo *partinfo;
2530 	MimeInfo *siginfo = NULL;
2531 	MimeInfo *encrypted = NULL;
2532 #ifdef GENERIC_UMPC
2533 	GtkRequisition r;
2534 #endif
2535 
2536 	if (!prefs_common.show_inline_attachments && mimeinfo->id)
2537 		return;
2538 
2539 	vbox = mimeview->icon_vbox;
2540 	mimeview->icon_count++;
2541 	button = gtk_event_box_new();
2542 
2543 	g_signal_connect(G_OBJECT(button), "motion-notify-event",
2544 			 G_CALLBACK(mimeview_visi_notify), mimeview);
2545 	g_signal_connect(G_OBJECT(button), "leave-notify-event",
2546 			 G_CALLBACK(mimeview_leave_notify), mimeview);
2547 	g_signal_connect(G_OBJECT(button), "enter-notify-event",
2548 			 G_CALLBACK(mimeview_enter_notify), mimeview);
2549 
2550 	gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2551 	g_object_set_data(G_OBJECT(button), "icon_number",
2552 			  GINT_TO_POINTER(mimeview->icon_count));
2553 	g_object_set_data(G_OBJECT(button), "partinfo",
2554 		          mimeinfo);
2555 
2556 	switch (mimeinfo->type) {
2557 
2558 	case MIMETYPE_TEXT:
2559 		if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2560 			stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2561 		else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2562 			stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2563 		else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2564 			stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2565 		else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2566 				|| !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2567 			stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2568 		else
2569 			stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2570 		break;
2571 	case MIMETYPE_MESSAGE:
2572 		stockp = STOCK_PIXMAP_MIME_MESSAGE;
2573 		break;
2574 	case MIMETYPE_APPLICATION:
2575 		if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2576 		    || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2577 		    || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2578 			stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2579 		else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2580 			stockp = STOCK_PIXMAP_MIME_PDF;
2581 		else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2582 			stockp = STOCK_PIXMAP_MIME_PS;
2583 		else
2584 			stockp = STOCK_PIXMAP_MIME_APPLICATION;
2585 		break;
2586 	case MIMETYPE_IMAGE:
2587 		stockp = STOCK_PIXMAP_MIME_IMAGE;
2588 		break;
2589 	case MIMETYPE_AUDIO:
2590 		stockp = STOCK_PIXMAP_MIME_AUDIO;
2591 		break;
2592 	default:
2593 		stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2594 		break;
2595 	}
2596 
2597 	partinfo = mimeinfo;
2598 	while (partinfo != NULL) {
2599 		if (privacy_mimeinfo_is_signed(partinfo)) {
2600 			siginfo = partinfo;
2601 			break;
2602 		}
2603 		if (privacy_mimeinfo_is_encrypted(partinfo)) {
2604 			encrypted = partinfo;
2605 			break;
2606 		}
2607 		partinfo = procmime_mimeinfo_parent(partinfo);
2608 	}
2609 
2610 	if (siginfo != NULL) {
2611 		switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2612 		case SIGNATURE_UNCHECKED:
2613 		case SIGNATURE_CHECK_FAILED:
2614 		case SIGNATURE_CHECK_TIMEOUT:
2615 			pixmap = stock_pixmap_widget_with_overlay(stockp,
2616 			    STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2617 			break;
2618 		case SIGNATURE_OK:
2619 			pixmap = stock_pixmap_widget_with_overlay(stockp,
2620 			    STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2621 			break;
2622 		case SIGNATURE_WARN:
2623 		case SIGNATURE_KEY_EXPIRED:
2624 			pixmap = stock_pixmap_widget_with_overlay(stockp,
2625 			    STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2626 			break;
2627 		case SIGNATURE_INVALID:
2628 			pixmap = stock_pixmap_widget_with_overlay(stockp,
2629 			    STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2630 			break;
2631 		}
2632 		sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2633 	} else if (encrypted != NULL) {
2634 			pixmap = stock_pixmap_widget_with_overlay(stockp,
2635 			    STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2636 	} else {
2637 		pixmap = stock_pixmap_widget_with_overlay(stockp, 0,
2638 							  OVERLAY_NONE, 6, 3);
2639 	}
2640 	gtk_container_add(GTK_CONTAINER(button), pixmap);
2641 	if (!desc) {
2642 		if (prefs_common.attach_desc)
2643 			desc = get_part_description(mimeinfo);
2644 		else
2645 			desc = get_part_name(mimeinfo);
2646 	}
2647 
2648 	content_type = procmime_get_content_type_str(mimeinfo->type,
2649 						     mimeinfo->subtype);
2650 
2651 	tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2652 			  "\n<b>", _("Size:"), " </b>",
2653 			  to_human_readable((goffset)mimeinfo->length), NULL);
2654 	g_free(content_type);
2655 	if (desc && *desc) {
2656 		gchar *tmp = NULL, *escaped = NULL;
2657 		if (!g_utf8_validate(desc, -1, NULL)) {
2658 			tmp = conv_filename_to_utf8(desc);
2659 		} else {
2660 			tmp = g_strdup(desc);
2661 		}
2662 		escaped = g_markup_escape_text(tmp,-1);
2663 
2664 		tiptmp = g_strconcat(tip, "\n<b>",
2665 				prefs_common.attach_desc && mimeinfo->description ?
2666 				_("Description:") : _("Filename:"),
2667 				" </b>", escaped, NULL);
2668 		g_free(tip);
2669 		tip = tiptmp;
2670 		g_free(tmp);
2671 		g_free(escaped);
2672 	}
2673 	if (sigshort && *sigshort) {
2674 		gchar *sigshort_escaped =
2675 			g_markup_escape_text(sigshort, -1);
2676 
2677 		tiptmp = g_strjoin("\n", tip, sigshort_escaped, NULL);
2678 		g_free(tip);
2679 		g_free(sigshort_escaped);
2680 		tip = tiptmp;
2681 	}
2682 	g_free(sigshort);
2683 
2684 	gtk_widget_set_tooltip_markup(button, tip);
2685 	g_free(tip);
2686 	gtk_widget_show_all(button);
2687 	gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2688 			    mimeview_mime_types, 1, GDK_ACTION_COPY);
2689 
2690 	g_signal_connect(G_OBJECT(button), "popup-menu",
2691 			 G_CALLBACK(icon_popup_menu), mimeview);
2692 	g_signal_connect(G_OBJECT(button), "button_release_event",
2693 			 G_CALLBACK(icon_clicked_cb), mimeview);
2694 	g_signal_connect(G_OBJECT(button), "key_press_event",
2695 			 G_CALLBACK(icon_key_pressed), mimeview);
2696 	g_signal_connect(G_OBJECT(button), "drag_data_get",
2697 			 G_CALLBACK(mimeview_drag_data_get), mimeview);
2698 	gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2699 #ifdef GENERIC_UMPC
2700 	gtk_widget_size_request(pixmap, &r);
2701 	gtk_widget_set_size_request(button, -1, r.height + 4);
2702 #endif
2703 
2704 }
2705 
icon_list_clear(MimeView * mimeview)2706 static void icon_list_clear (MimeView *mimeview)
2707 {
2708 	GList     *child, *orig;
2709 	GtkAdjustment *adj;
2710 
2711 	orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2712 	for (child = orig; child != NULL; child = g_list_next(child)) {
2713 		gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2714 				       GTK_WIDGET(child->data));
2715 	}
2716 	g_list_free(orig);
2717 	mimeview->icon_count = 0;
2718 	adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2719 	gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2720 	gtk_adjustment_changed(adj);
2721 }
2722 
2723 /*!
2724  *\brief        Used to 'click' the next or previous icon.
2725  *
2726  *\return       true if the icon 'number' exists and was selected.
2727  */
icon_scroll_size_allocate_cb(GtkWidget * widget,GtkAllocation * size,MimeView * mimeview)2728 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2729 					 GtkAllocation *size, MimeView *mimeview)
2730 {
2731 	GtkAllocation vbox_size;
2732 	GtkAllocation layout_size;
2733 	GtkAdjustment *adj;
2734 	guint width;
2735 	guint height;
2736 
2737 	adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2738 
2739 	gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2740 	gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2741 
2742 	gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2743 	gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2744 			    width,
2745 			    MAX(vbox_size.height, layout_size.height));
2746 	gtk_adjustment_set_step_increment(adj, 10);
2747 }
2748 
icon_list_create(MimeView * mimeview,MimeInfo * mimeinfo)2749 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2750 {
2751 	GtkRequisition size;
2752 	GtkRequisition requisition;
2753 
2754 	cm_return_if_fail(mimeinfo != NULL);
2755 
2756 	while (mimeinfo != NULL) {
2757 		if (mimeinfo->type != MIMETYPE_MULTIPART)
2758 			icon_list_append_icon(mimeview, mimeinfo);
2759 		if (mimeinfo->node->children != NULL)
2760 			icon_list_create(mimeview,
2761 				(MimeInfo *) mimeinfo->node->children->data);
2762 		mimeinfo = mimeinfo->node->next != NULL
2763 			 ? (MimeInfo *) mimeinfo->node->next->data
2764 			 : NULL;
2765 	}
2766 	gtk_widget_size_request(mimeview->icon_vbox, &size);
2767 	gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2768 	if (size.width > requisition.width) {
2769 		gtk_widget_set_size_request(mimeview->icon_mainbox,
2770 					    size.width, -1);
2771 	}
2772 	if (mimeview->opened)
2773 		icon_list_toggle_by_mime_info(mimeview,
2774 			mimeview_get_node_part(mimeview, mimeview->opened));
2775 }
2776 
icon_list_toggle_by_mime_info(MimeView * mimeview,MimeInfo * mimeinfo)2777 static void icon_list_toggle_by_mime_info (MimeView	*mimeview,
2778 					   MimeInfo	*mimeinfo)
2779 {
2780 	GList *children, *child;
2781 
2782 	children = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2783 	for (child = children; child != NULL; child = g_list_next(child)) {
2784 		gboolean *highlight = NULL;
2785 		GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2786 
2787 		if (!GTK_IS_EVENT_BOX(child->data))
2788 			continue;
2789 
2790 		highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2791 		*highlight = (g_object_get_data(G_OBJECT(child->data),
2792 			 	      "partinfo") == (gpointer)mimeinfo);
2793 
2794 		gtk_widget_queue_draw(icon);
2795 	}
2796 	g_list_free(children);
2797 }
2798 
ctree_size_allocate_cb(GtkWidget * widget,GtkAllocation * allocation,MimeView * mimeview)2799 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2800 				    MimeView *mimeview)
2801 {
2802 	prefs_common.mimeview_tree_height = allocation->height;
2803 }
2804 
mime_toggle_button_cb(GtkWidget * button,GdkEventButton * event,MimeView * mimeview)2805 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2806 				    MimeView *mimeview)
2807 {
2808 	g_object_ref(button);
2809 
2810 	mimeview_leave_notify(button, NULL, NULL);
2811 
2812 	mimeview->ctree_mode = !mimeview->ctree_mode;
2813 	if (mimeview->ctree_mode) {
2814 		gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2815 					GTK_SHADOW_NONE);
2816 		gtk_widget_hide(mimeview->icon_mainbox);
2817 		gtk_widget_show(mimeview->ctree_mainbox);
2818 		gtk_paned_set_position(GTK_PANED(mimeview->paned),
2819 					prefs_common.mimeview_tree_height);
2820 
2821 		gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2822 					button);
2823 		gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2824 				   button, FALSE, FALSE, 0);
2825 	} else {
2826 		gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2827 			      GTK_SHADOW_NONE);
2828 		gtk_widget_hide(mimeview->ctree_mainbox);
2829 		gtk_widget_show(mimeview->icon_mainbox);
2830 		gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2831 
2832 		gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2833 					button);
2834 		gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2835 				   button, FALSE, FALSE, 0);
2836 		gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2837 		if (mimeview->opened)
2838 			icon_list_toggle_by_mime_info(mimeview,
2839 					mimeview_get_node_part(mimeview, mimeview->opened));
2840 		summary_grab_focus(mimeview->mainwin->summaryview);
2841 	}
2842 	g_object_unref(button);
2843 	return TRUE;
2844 }
2845 
mimeview_update(MimeView * mimeview)2846 void mimeview_update (MimeView *mimeview)
2847 {
2848 	if (mimeview && mimeview->mimeinfo) {
2849 		icon_list_clear(mimeview);
2850 		icon_list_create(mimeview, mimeview->mimeinfo);
2851 	}
2852 }
2853 
mimeview_handle_cmd(MimeView * mimeview,const gchar * cmd,GdkEventButton * event,gpointer data)2854 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2855 {
2856 	MessageView *msgview = NULL;
2857 	MainWindow *mainwin = NULL;
2858 
2859 	if (!cmd)
2860 		return;
2861 
2862 	msgview = mimeview->messageview;
2863 	if (!msgview)
2864 		return;
2865 
2866 	mainwin = msgview->mainwin;
2867 	if (!mainwin)
2868 		return;
2869 
2870 	g_object_set_data(G_OBJECT(mimeview->popupmenu),
2871 			  "pop_partinfo", NULL);
2872 
2873 	if (!strcmp(cmd, "sc://view_log"))
2874 		log_window_show(mainwin->logwin);
2875 	else if (!strcmp(cmd, "sc://save_as"))
2876 		mimeview_save_as(mimeview);
2877 	else if (!strcmp(cmd, "sc://display_as_text"))
2878 		mimeview_display_as_text(mimeview);
2879 #ifndef G_OS_WIN32
2880 	else if (!strcmp(cmd, "sc://open_with"))
2881 		mimeview_open_with(mimeview);
2882 #endif
2883 	else if (!strcmp(cmd, "sc://open"))
2884 		mimeview_launch(mimeview, NULL);
2885 	else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2886 		icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2887 		icon_selected(mimeview, -1, (MimeInfo *)data);
2888 	} else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2889 		mimeview_launch(mimeview, (MimeInfo *)data);
2890 	} else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2891 		mimeview->spec_part = (MimeInfo *)data;
2892 		part_button_pressed(mimeview, event, (MimeInfo *)data);
2893 	} else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2894 		const gchar *tagname = cmd + strlen("sc://search_tags:");
2895 		gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2896 		gtk_toggle_button_set_active(
2897 				GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2898 				TRUE);
2899 		quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2900 				ADVANCED_SEARCH_EXTENDED, buf);
2901 		g_free(buf);
2902 	}
2903 }
2904 
mimeview_scroll_page(MimeView * mimeview,gboolean up)2905 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2906 {
2907 	if (mimeview->type == MIMEVIEW_TEXT)
2908 		return textview_scroll_page(mimeview->textview, up);
2909 	else if (mimeview->mimeviewer) {
2910 		MimeViewer *mimeviewer = mimeview->mimeviewer;
2911 		if (mimeviewer->scroll_page)
2912 			return mimeviewer->scroll_page(mimeviewer, up);
2913 	}
2914 	return TRUE;
2915 }
2916 
mimeview_scroll_one_line(MimeView * mimeview,gboolean up)2917 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2918 {
2919 	if (mimeview->type == MIMEVIEW_TEXT)
2920 		textview_scroll_one_line(mimeview->textview, up);
2921 	else if (mimeview->mimeviewer) {
2922 		MimeViewer *mimeviewer = mimeview->mimeviewer;
2923 		if (mimeviewer->scroll_one_line)
2924 			mimeviewer->scroll_one_line(mimeviewer, up);
2925 	}
2926 }
2927