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1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /*
3  *  Copyright (C) 2004 Marco Pesenti Gritti
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 2, or (at your option)
8  *  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, write to the Free Software
17  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18  *
19  */
20
21 #include "config.h"
22
23 #include "ev-document.h"
24 #include "ev-backend-marshalers.h"
25
26 static void ev_document_class_init (gpointer g_class);
27
28 enum
29 {
30         CHANGED,
31         LAST_SIGNAL
32 };
33
34 static guint signals[LAST_SIGNAL] = { 0 };
35
36 GType
37 ev_document_get_type (void)
38 {
39         static GType type = 0;
40
41         if (G_UNLIKELY (type == 0))
42         {
43                 static const GTypeInfo our_info =
44                 {
45                         sizeof (EvDocumentIface),
46                         NULL,
47                         NULL,
48                         (GClassInitFunc)ev_document_class_init
49                 };
50
51                 type = g_type_register_static (G_TYPE_INTERFACE,
52                                                "EvDocument",
53                                                &our_info, (GTypeFlags)0);
54         }
55
56         return type;
57 }
58
59 static void
60 ev_document_class_init (gpointer g_class)
61 {
62         signals[CHANGED] =
63                 g_signal_new ("changed",
64                               EV_TYPE_DOCUMENT,
65                               G_SIGNAL_RUN_LAST,
66                               G_STRUCT_OFFSET (EvDocumentIface, changed),
67                               NULL, NULL,
68                               g_cclosure_marshal_VOID__VOID,
69                               G_TYPE_NONE,
70                               0);
71
72         g_object_interface_install_property (g_class,
73                                 g_param_spec_string ("title",
74                                                      "Document Title",
75                                                      "The title of the document",
76                                                      NULL, 0));
77 }
78
79 gboolean
80 ev_document_load (EvDocument  *document,
81                   const char  *uri,
82                   GError     **error)
83 {
84         EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
85         return iface->load (document, uri, error);
86 }
87
88 char *
89 ev_document_get_title (EvDocument  *document)
90 {
91         char *title;
92
93         g_object_get (document, "title", &title, NULL);
94
95         return title;
96 }
97
98 int
99 ev_document_get_n_pages (EvDocument  *document)
100 {
101         EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
102         return iface->get_n_pages (document);
103 }
104
105 void
106 ev_document_set_page (EvDocument  *document,
107                       int          page)
108 {
109         EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
110         iface->set_page (document, page);
111 }
112
113 int
114 ev_document_get_page (EvDocument *document)
115 {
116         EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
117         return iface->get_page (document);
118 }
119
120 void
121 ev_document_set_target (EvDocument  *document,
122                         GdkDrawable *target)
123 {
124         EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
125         iface->set_target (document, target);
126 }
127
128 void
129 ev_document_set_scale (EvDocument   *document,
130                        double        scale)
131 {
132         EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
133         iface->set_scale (document, scale);
134 }
135
136 void
137 ev_document_set_page_offset (EvDocument  *document,
138                              int          x,
139                              int          y)
140 {
141         EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
142         iface->set_page_offset (document, x, y);
143 }
144
145 void
146 ev_document_get_page_size   (EvDocument   *document,
147                              int          *width,
148                              int          *height)
149 {
150         EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
151         iface->get_page_size (document, width, height);
152 }
153
154 void
155 ev_document_render (EvDocument  *document,
156                     int          clip_x,
157                     int          clip_y,
158                     int          clip_width,
159                     int          clip_height)
160 {
161         EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
162         iface->render (document, clip_x, clip_y, clip_width, clip_height);
163 }
164
165 void
166 ev_document_changed (EvDocument *document)
167 {
168         g_signal_emit (G_OBJECT (document), signals[CHANGED], 0);
169 }