Add image_cache_size pref to Litehtml
[claws.git] / src / plugins / litehtml_viewer / lh_prefs.c
1 /*
2  * Claws Mail -- A GTK+ based, lightweight, and fast e-mail client
3  * Copyright(C) 2019 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  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  * You should have received a copy of the GNU General Public License
14  * along with this program; if not, write tothe Free Software
15  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
16  */
17
18 #ifdef HAVE_CONFIG_H
19 #include "config.h"
20 #include "claws-features.h"
21 #endif
22
23 #include <glib.h>
24 #include <glib/gi18n.h>
25
26 #include "prefs_gtk.h"
27 #include "common/defs.h"
28 #include "common/utils.h"
29 #include "gtk/gtkutils.h"
30
31 #include "lh_prefs.h"
32
33 #define PREFS_BLOCK_NAME "LiteHTML"
34
35 static void create_lh_prefs_page(PrefsPage *page, GtkWindow *window,
36                 gpointer data);
37 static void destroy_lh_prefs_page(PrefsPage *page);
38 static void save_lh_prefs_page(PrefsPage *page);
39 static void save_prefs(void);
40
41 LHPrefs lh_prefs;
42
43 struct _LHPrefsPage {
44         PrefsPage page;
45         GtkWidget *enable_remote_content;
46         GtkWidget *image_cache_size;
47 };
48 typedef struct _LHPrefsPage LHPrefsPage;
49
50 static PrefParam param[] = {
51         { "enable_remote_content", "FALSE", &lh_prefs.enable_remote_content, P_BOOL,
52                 NULL, NULL, NULL },
53         { "image_cache_size", "20", &lh_prefs.image_cache_size, P_INT,
54                 NULL, NULL, NULL },
55         { NULL, NULL, NULL, 0, NULL, NULL, NULL }
56 };
57
58 static LHPrefsPage lh_prefs_page;
59
60 LHPrefs *lh_prefs_get(void)
61 {
62         return &lh_prefs;
63 }
64
65 void lh_prefs_init(void)
66 {
67         static gchar *path[3];
68         gchar *rcpath;
69
70         path[0] = _("Plugins");
71         path[1] = "LiteHTML";
72         path[2] = NULL;
73
74         prefs_set_default(param);
75         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
76         prefs_read_config(param, PREFS_BLOCK_NAME, rcpath, NULL);
77         g_free(rcpath);
78
79         lh_prefs_page.page.path = path;
80         lh_prefs_page.page.create_widget = create_lh_prefs_page;
81         lh_prefs_page.page.destroy_widget = destroy_lh_prefs_page;
82         lh_prefs_page.page.save_page = save_lh_prefs_page;
83         lh_prefs_page.page.weight = 30.0;
84         prefs_gtk_register_page((PrefsPage *) &lh_prefs_page);
85 }
86
87 void lh_prefs_done(void)
88 {
89 }
90
91 static void create_lh_prefs_page(PrefsPage *page, GtkWindow *window,
92                 gpointer data)
93 {
94         LHPrefsPage *prefs_page = (LHPrefsPage *)page;
95         GtkWidget *vbox;
96         GtkWidget *vbox_remote;
97         GtkWidget *hbox;
98         GtkWidget *frame;
99         GtkWidget *label;
100         GtkWidget *enable_remote_content;
101         GtkWidget *image_cache_size;
102         GtkObject *adj;
103
104         vbox = gtk_vbox_new(FALSE, 3);
105         gtk_container_set_border_width(GTK_CONTAINER(vbox), VBOX_BORDER);
106         gtk_widget_show(vbox);
107
108         /* Enable remote content */
109         vbox_remote = gtkut_get_options_frame(vbox, &frame, _("Remote resources"));
110
111         label = gtk_label_new(_("Loading remote resources can lead to some privacy issues.\n"
112                                 "When remote content loading is disabled, nothing will be requested\n"
113                                 "from the network."));
114         gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
115
116         enable_remote_content = gtk_check_button_new_with_label(_("Enable loading of remote content"));
117         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(enable_remote_content),
118                         lh_prefs.enable_remote_content);
119
120         gtk_box_pack_start(GTK_BOX(vbox_remote), label, FALSE, FALSE, 0);
121         gtk_box_pack_start(GTK_BOX(vbox_remote), enable_remote_content, FALSE, FALSE, 0);
122         gtk_widget_show_all(vbox_remote);
123
124         /* Image cache size */
125         hbox = gtk_hbox_new(FALSE, 8);
126         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
127
128         label = gtk_label_new(_("Size of image cache in megabytes"));
129         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
130
131         adj = gtk_adjustment_new(0, 0, 99999, 1, 10, 0);
132         image_cache_size = gtk_spin_button_new(GTK_ADJUSTMENT(adj), 1, 0);
133         gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(image_cache_size), TRUE);
134         gtk_spin_button_set_wrap(GTK_SPIN_BUTTON(image_cache_size), FALSE);
135         gtk_spin_button_set_value(GTK_SPIN_BUTTON(image_cache_size),
136                         lh_prefs.image_cache_size);
137         gtk_box_pack_start(GTK_BOX(hbox), image_cache_size, FALSE, FALSE, 0);
138
139         gtk_widget_show_all(hbox);
140
141         prefs_page->enable_remote_content = enable_remote_content;
142         prefs_page->image_cache_size = image_cache_size;
143         prefs_page->page.widget = vbox;
144 }
145
146 static void destroy_lh_prefs_page(PrefsPage *page)
147 {
148 }
149
150 static void save_lh_prefs_page(PrefsPage *page)
151 {
152         LHPrefsPage *prefs_page = (LHPrefsPage *)page;
153
154         lh_prefs.enable_remote_content = gtk_toggle_button_get_active(
155                         GTK_TOGGLE_BUTTON(prefs_page->enable_remote_content));
156         lh_prefs.image_cache_size = gtk_spin_button_get_value_as_int(
157                         GTK_SPIN_BUTTON(prefs_page->image_cache_size));
158
159         save_prefs();
160 }
161
162 static void save_prefs(void)
163 {
164         PrefFile *pref_file;
165         gchar *rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
166                         COMMON_RC, NULL);
167
168         pref_file = prefs_write_open(rcpath);
169
170         if (!pref_file) {
171                 g_warning("failed to open configuration file '%s' for writing", rcpath);
172                 g_free(rcpath);
173                 return;
174         }
175         if (prefs_set_block_label(pref_file, PREFS_BLOCK_NAME) < 0) {
176                 g_warning("failed to set block label "PREFS_BLOCK_NAME);
177                 g_free(rcpath);
178                 return;
179         }
180
181         if (prefs_write_param(param, pref_file->fp) < 0) {
182                 g_warning("failed to write LiteHTML Viewer plugin configuration");
183                 prefs_file_close_revert(pref_file);
184                 g_free(rcpath);
185                 return;
186         }
187
188         if (fprintf(pref_file->fp, "\n") < 0) {
189                 FILE_OP_ERROR(rcpath, "fprintf");
190                 prefs_file_close_revert(pref_file);
191         } else {
192                 debug_print("successfully saved LiteHTML Viewer plugin configuration\n");
193                 prefs_file_close(pref_file);
194         }
195
196         g_free(rcpath);
197 }