Use GLib's implementation of Base64 instead of our own.
[claws.git] / src / headerview.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2012 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
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #include "claws-features.h"
23 #endif
24
25 #include "defs.h"
26
27 #include <glib.h>
28 #include <glib/gi18n.h>
29 #include <gtk/gtk.h>
30 #include <stdio.h>
31 #include <string.h>
32 #include <time.h>
33
34 #include <gdk-pixbuf/gdk-pixbuf.h>
35
36 #include "headerview.h"
37 #include "prefs_common.h"
38 #include "codeconv.h"
39 #include "gtkutils.h"
40 #include "utils.h"
41 #include "headers.h"
42 #include "addrindex.h"
43 #include "hooks.h"
44 #include "avatars.h"
45
46 static gint headerview_show_avatar      (HeaderView     *headerview,
47                                          MsgInfo        *msginfo);
48 static gint headerview_show_contact_pic (HeaderView     *headerview,
49                                          MsgInfo        *msginfo);
50 static void headerview_save_contact_pic (HeaderView     *headerview,
51                                          MsgInfo        *msginfo);
52
53 HeaderView *headerview_create(void)
54 {
55         HeaderView *headerview;
56         GtkWidget *hbox;
57         GtkWidget *vbox;
58         GtkWidget *hbox1;
59         GtkWidget *hbox2;
60         GtkWidget *hbox3;
61         GtkWidget *from_header_label;
62         GtkWidget *from_body_label;
63         GtkWidget *to_header_label;
64         GtkWidget *to_body_label;
65         GtkWidget *ng_header_label;
66         GtkWidget *ng_body_label;
67         GtkWidget *subject_header_label;
68         GtkWidget *subject_body_label;
69         GtkWidget *tags_header_label;
70         GtkWidget *tags_body_label;
71
72         debug_print("Creating header view...\n");
73         headerview = g_new0(HeaderView, 1);
74
75         hbox = gtk_hbox_new(FALSE, 0);
76         gtk_container_set_border_width(GTK_CONTAINER(hbox), 2);
77         vbox = gtk_vbox_new(FALSE, 2);
78         gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
79
80         hbox1 = gtk_hbox_new(FALSE, 4);
81         gtk_box_pack_start(GTK_BOX(vbox), hbox1, FALSE, FALSE, 0);
82         hbox2 = gtk_hbox_new(FALSE, 4);
83         gtk_box_pack_start(GTK_BOX(vbox), hbox2, FALSE, FALSE, 0);
84         hbox3 = gtk_hbox_new(FALSE, 4);
85         gtk_box_pack_start(GTK_BOX(vbox), hbox3, FALSE, FALSE, 0);
86
87         from_header_label    = gtk_label_new(prefs_common_translated_header_name("From:"));
88         from_body_label      = gtk_label_new("");
89         to_header_label      = gtk_label_new(prefs_common_translated_header_name("To:"));
90         to_body_label        = gtk_label_new("");
91         ng_header_label      = gtk_label_new(prefs_common_translated_header_name("Newsgroups:"));
92         ng_body_label        = gtk_label_new("");
93         subject_header_label = gtk_label_new(prefs_common_translated_header_name("Subject:"));
94         subject_body_label   = gtk_label_new("");
95         tags_header_label = gtk_label_new(_("Tags:"));
96         tags_body_label   = gtk_label_new("");
97
98         gtk_label_set_selectable(GTK_LABEL(from_body_label), TRUE);
99         gtk_label_set_selectable(GTK_LABEL(to_body_label), TRUE);
100         gtk_label_set_selectable(GTK_LABEL(ng_body_label), TRUE);
101         gtk_label_set_selectable(GTK_LABEL(subject_body_label), TRUE);
102         gtk_label_set_selectable(GTK_LABEL(tags_body_label), TRUE);
103
104         gtkut_widget_set_can_focus(from_body_label, FALSE);
105         gtkut_widget_set_can_focus(to_body_label, FALSE);
106         gtkut_widget_set_can_focus(ng_body_label, FALSE);
107         gtkut_widget_set_can_focus(subject_body_label, FALSE);
108         gtkut_widget_set_can_focus(tags_body_label, FALSE);
109
110         gtk_box_pack_start(GTK_BOX(hbox1), from_header_label, FALSE, FALSE, 0);
111         gtk_box_pack_start(GTK_BOX(hbox1), from_body_label, FALSE, FALSE, 0);
112         gtk_box_pack_start(GTK_BOX(hbox1), to_header_label, FALSE, FALSE, 0);
113         gtk_box_pack_start(GTK_BOX(hbox1), to_body_label, TRUE, TRUE, 0);
114         gtk_box_pack_start(GTK_BOX(hbox1), ng_header_label, FALSE, FALSE, 0);
115         gtk_box_pack_start(GTK_BOX(hbox1), ng_body_label, TRUE, TRUE, 0);
116         gtk_box_pack_start(GTK_BOX(hbox2), subject_header_label, FALSE, FALSE, 0);
117         gtk_box_pack_start(GTK_BOX(hbox2), subject_body_label, TRUE, TRUE, 0);
118         gtk_box_pack_start(GTK_BOX(hbox3), tags_header_label, FALSE, FALSE, 0);
119         gtk_box_pack_start(GTK_BOX(hbox3), tags_body_label, TRUE, TRUE, 0);
120
121         gtk_misc_set_alignment(GTK_MISC(to_body_label), 0, 0.5);
122         gtk_misc_set_alignment(GTK_MISC(ng_body_label), 0, 0.5);
123         gtk_misc_set_alignment(GTK_MISC(subject_body_label), 0, 0.5);
124         gtk_misc_set_alignment(GTK_MISC(tags_body_label), 0, 0.5);
125         gtk_label_set_ellipsize(GTK_LABEL(to_body_label), PANGO_ELLIPSIZE_END);
126         gtk_label_set_ellipsize(GTK_LABEL(ng_body_label), PANGO_ELLIPSIZE_END);
127         gtk_label_set_ellipsize(GTK_LABEL(subject_body_label), PANGO_ELLIPSIZE_END);
128         gtk_label_set_ellipsize(GTK_LABEL(tags_body_label), PANGO_ELLIPSIZE_END);
129
130         headerview->hbox = hbox;
131         headerview->from_header_label    = from_header_label;
132         headerview->from_body_label      = from_body_label;
133         headerview->to_header_label      = to_header_label;
134         headerview->to_body_label        = to_body_label;
135         headerview->ng_header_label      = ng_header_label;
136         headerview->ng_body_label        = ng_body_label;
137         headerview->subject_header_label = subject_header_label;
138         headerview->subject_body_label   = subject_body_label;
139         headerview->tags_header_label = tags_header_label;
140         headerview->tags_body_label   = tags_body_label;
141         headerview->image = NULL;
142
143         gtk_widget_show_all(hbox);
144
145         return headerview;
146 }
147
148 void headerview_set_font(HeaderView *headerview)
149 {
150         PangoFontDescription *boldfont = NULL;
151         PangoFontDescription *normalfont = NULL;
152         
153         normalfont = pango_font_description_from_string(NORMAL_FONT);
154         if (normalfont) {
155                 gtk_widget_modify_font(headerview->from_body_label, normalfont);
156                 gtk_widget_modify_font(headerview->to_body_label, normalfont);
157                 gtk_widget_modify_font(headerview->ng_body_label, normalfont);
158                 gtk_widget_modify_font(headerview->subject_body_label, normalfont);
159                 gtk_widget_modify_font(headerview->tags_body_label, normalfont);
160                 pango_font_description_free(normalfont);
161         }
162
163         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
164                 boldfont = pango_font_description_from_string(NORMAL_FONT);
165                 pango_font_description_set_weight(boldfont, PANGO_WEIGHT_BOLD);
166         } else {
167                 boldfont = pango_font_description_from_string(BOLD_FONT);
168         }
169         if (boldfont) {
170                 gtk_widget_modify_font(headerview->from_header_label, boldfont);
171                 gtk_widget_modify_font(headerview->to_header_label, boldfont);
172                 gtk_widget_modify_font(headerview->ng_header_label, boldfont);
173                 gtk_widget_modify_font(headerview->subject_header_label, boldfont);
174                 gtk_widget_modify_font(headerview->tags_header_label, boldfont);
175                 pango_font_description_free(boldfont);
176         }
177 }
178
179 void headerview_init(HeaderView *headerview)
180 {
181         headerview_set_font(headerview);
182         headerview_clear(headerview);
183         headerview_set_visibility(headerview, prefs_common.display_header_pane);
184 }
185
186 void headerview_show(HeaderView *headerview, MsgInfo *msginfo)
187 {
188         gchar *tags = procmsg_msginfo_get_tags_str(msginfo);
189
190         headerview_clear(headerview);
191
192         gtk_label_set_text(GTK_LABEL(headerview->from_body_label),
193                            msginfo->from ? msginfo->from : _("(No From)"));
194         if (msginfo->to) {
195                 gtk_label_set_text(GTK_LABEL(headerview->to_body_label),
196                                    msginfo->to);
197                 gtk_widget_show(headerview->to_header_label);
198                 gtk_widget_show(headerview->to_body_label);
199         }
200         if (msginfo->newsgroups) {
201                 gtk_label_set_text(GTK_LABEL(headerview->ng_body_label),
202                                    msginfo->newsgroups);
203                 gtk_widget_show(headerview->ng_header_label);
204                 gtk_widget_show(headerview->ng_body_label);
205         }
206         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label),
207                            msginfo->subject ? msginfo->subject :
208                            _("(No Subject)"));
209         if (tags) {
210                 gtk_label_set_text(GTK_LABEL(headerview->tags_body_label),
211                                    tags);
212                 gtk_widget_show(headerview->tags_header_label);
213                 gtk_widget_show(headerview->tags_body_label);
214                 g_free(tags);
215         }
216         if (!headerview_show_avatar(headerview, msginfo))
217                 return;
218
219         if (!headerview_show_contact_pic(headerview, msginfo))
220                 return;
221
222 }
223
224 static gint headerview_show_avatar (HeaderView *headerview, MsgInfo *msginfo)
225 {
226         AvatarRender *avatarr = avatars_avatarrender_new(msginfo);
227         GtkWidget *hbox = headerview->hbox;
228
229         hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
230
231         if (!avatarr->image) {
232                 if (headerview->image
233                                 && gtk_widget_get_visible(headerview->image)) {
234                         gtk_widget_hide(headerview->image);
235                         gtk_widget_queue_resize(hbox);
236                 }
237                 avatars_avatarrender_free(avatarr);
238                 return -1;
239         }
240         if (!gtk_widget_get_visible(hbox)) {
241                 avatars_avatarrender_free(avatarr);
242                 return -1;
243         }
244
245         if (headerview->image) {
246                 gtk_widget_destroy(headerview->image);
247                 headerview->image = NULL;
248         }
249
250         gtk_box_pack_start(GTK_BOX(hbox), avatarr->image, FALSE, FALSE, 0);
251         gtk_widget_show(avatarr->image);
252
253         headerview->image = avatarr->image;
254         avatarr->image = NULL; /* avoid destroying */
255         avatars_avatarrender_free(avatarr);
256
257         headerview_save_contact_pic(headerview, msginfo);
258         return 0;
259 }
260
261 static void headerview_save_contact_pic (HeaderView *headerview, MsgInfo *msginfo)
262 {
263 #ifndef USE_NEW_ADDRBOOK
264         gchar *filename = NULL;
265         GError *error = NULL;
266         GdkPixbuf *picture = NULL;
267
268         if (!gtk_widget_get_visible(headerview->hbox)) return;
269
270         if (headerview->image) {
271                 picture = gtk_image_get_pixbuf(GTK_IMAGE(headerview->image));
272         }
273         
274         filename = addrindex_get_picture_file(msginfo->from);
275         if (!filename)
276                 return;
277         if (!is_file_exist(filename)) {
278                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
279                 if (error) {
280                         g_warning(_("Failed to save image: \n%s"),
281                                         error->message);
282                         g_error_free(error);
283                 }
284         }
285         g_free(filename);
286 #else
287         /* new address book */
288 #endif
289 }       
290
291 static gint headerview_show_contact_pic (HeaderView *headerview, MsgInfo *msginfo)
292 {
293 #ifndef USE_NEW_ADDRBOOK
294         GtkWidget *hbox = headerview->hbox;
295         GtkWidget *image;
296         gchar *filename = NULL;
297         GError *error = NULL;
298         GdkPixbuf *picture = NULL;
299         gint w, h;
300
301         if (!gtk_widget_get_visible(headerview->hbox)) return -1;
302
303         if (headerview->image) {
304                 gtk_widget_destroy(headerview->image);
305                 headerview->image = NULL;
306         }
307         
308         filename = addrindex_get_picture_file(msginfo->from);
309         
310         if (!filename)
311                 return -1;
312         if (!is_file_exist(filename)) {
313                 g_free(filename);
314                 return -1;
315         }
316         gdk_pixbuf_get_file_info(filename, &w, &h);
317         
318         if (w > 48 || h > 48)
319                 picture = gdk_pixbuf_new_from_file_at_scale(filename, 
320                                                 48, 48, TRUE, &error);
321         else
322                 picture = gdk_pixbuf_new_from_file(filename, &error);
323
324         g_free(filename);
325         if (error) {
326                 debug_print("Failed to import image: \n%s",
327                                 error->message);
328                 g_error_free(error);
329                 return -1;
330         }
331         if (picture)
332                 image = gtk_image_new_from_pixbuf(picture);
333         else 
334                 return -1;
335
336         g_object_unref(picture);
337         if (image) {
338                 gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
339                 gtk_widget_show(image);
340         }
341
342         headerview->image = image;
343         if (image == NULL)
344                 return -1;
345         else 
346                 return 0;
347 #else
348         /* new address book */
349         return -1;
350 #endif
351 }
352
353 void headerview_clear(HeaderView *headerview)
354 {
355         if (headerview == NULL)
356                 return;
357
358         gtk_label_set_text(GTK_LABEL(headerview->from_body_label), "");
359         gtk_label_set_text(GTK_LABEL(headerview->to_body_label), "");
360         gtk_label_set_text(GTK_LABEL(headerview->ng_body_label), "");
361         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label), "");
362         gtk_label_set_text(GTK_LABEL(headerview->tags_body_label), "");
363         gtk_widget_hide(headerview->to_header_label);
364         gtk_widget_hide(headerview->to_body_label);
365         gtk_widget_hide(headerview->ng_header_label);
366         gtk_widget_hide(headerview->ng_body_label);
367         gtk_widget_hide(headerview->tags_header_label);
368         gtk_widget_hide(headerview->tags_body_label);
369
370         if (headerview->image && gtk_widget_get_visible(headerview->image)) {
371                 gtk_widget_hide(headerview->image);
372                 gtk_widget_queue_resize(headerview->hbox);
373         }
374 }
375
376 void headerview_set_visibility(HeaderView *headerview, gboolean visibility)
377 {
378         if (visibility)
379                 gtk_widget_show(headerview->hbox);
380         else
381                 gtk_widget_hide(headerview->hbox);
382 }
383
384 void headerview_destroy(HeaderView *headerview)
385 {
386         g_free(headerview);
387 }