1 // rTorrent - BitTorrent client
2 // Copyright (C) 2005-2011, Jari Sundell
3 //
4 // This program is free software; you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation; either version 2 of the License, or
7 // (at your option) any later version.
8 //
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 //
14 // You should have received a copy of the GNU General Public License
15 // along with this program; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 //
18 // In addition, as a special exception, the copyright holders give
19 // permission to link the code of portions of this program with the
20 // OpenSSL library under certain conditions as described in each
21 // individual source file, and distribute linked combinations
22 // including the two.
23 //
24 // You must obey the GNU General Public License in all respects for
25 // all of the code used other than OpenSSL. If you modify file(s)
26 // with this exception, you may extend this exception to your version
27 // of the file(s), but you are not obligated to do so. If you do not
28 // wish to do so, delete this exception statement from your version.
29 // If you delete this exception statement from all source files in the
30 // program, then also delete it here.
31 //
32 // Contact: Jari Sundell <jaris@ifi.uio.no>
33 //
34 // Skomakerveien 33
35 // 3185 Skoppum, NORWAY
36
37 #include "config.h"
38
39 #include <torrent/exceptions.h>
40
41 #include "display/frame.h"
42 #include "display/window_download_chunks_seen.h"
43 #include "input/manager.h"
44
45 #include "control.h"
46 #include "element_chunks_seen.h"
47
48 namespace ui {
49
ElementChunksSeen(core::Download * d)50 ElementChunksSeen::ElementChunksSeen(core::Download* d) :
51 m_download(d),
52 m_window(NULL),
53 m_focus(0) {
54
55 m_bindings[KEY_LEFT] = m_bindings['B' - '@'] = std::bind(&slot_type::operator(), &m_slot_exit);
56
57 m_bindings[KEY_DOWN] = m_bindings['N' - '@'] = std::bind(&ElementChunksSeen::receive_next, this);
58 m_bindings[KEY_UP] = m_bindings['P' - '@'] = std::bind(&ElementChunksSeen::receive_prev, this);
59 m_bindings[KEY_NPAGE] = std::bind(&ElementChunksSeen::receive_pagenext, this);
60 m_bindings[KEY_PPAGE] = std::bind(&ElementChunksSeen::receive_pageprev, this);
61 }
62
63 void
activate(display::Frame * frame,bool focus)64 ElementChunksSeen::activate(display::Frame* frame, bool focus) {
65 if (is_active())
66 throw torrent::internal_error("ui::ElementChunksSeen::activate(...) is_active().");
67
68 if (focus)
69 control->input()->push_back(&m_bindings);
70
71 m_window = new WChunksSeen(m_download, &m_focus);
72 m_window->set_active(true);
73
74 m_frame = frame;
75 m_frame->initialize_window(m_window);
76 }
77
78 void
disable()79 ElementChunksSeen::disable() {
80 if (!is_active())
81 throw torrent::internal_error("ui::ElementChunksSeen::disable(...) !is_active().");
82
83 control->input()->erase(&m_bindings);
84
85 m_frame->clear();
86 m_frame = NULL;
87
88 delete m_window;
89 m_window = NULL;
90 }
91
92 display::Window*
window()93 ElementChunksSeen::window() {
94 return m_window;
95 }
96
97 // void
98 // ElementChunksSeen::receive_disable() {
99 // if (m_window == NULL)
100 // throw std::logic_error("ui::ElementChunksSeen::receive_disable(...) called on a disabled object");
101
102 // if (m_download->download()->tracker(m_focus).is_enabled())
103 // m_download->download()->tracker(m_focus).disable();
104 // else
105 // m_download->download()->tracker(m_focus).enable();
106
107 // m_window->mark_dirty();
108 // }
109
110 void
receive_next()111 ElementChunksSeen::receive_next() {
112 if (m_window == NULL)
113 throw torrent::internal_error("ui::ElementChunksSeen::receive_next(...) called on a disabled object");
114
115 if (++m_focus > m_window->max_focus())
116 m_focus = 0;
117
118 m_window->mark_dirty();
119 }
120
121 void
receive_prev()122 ElementChunksSeen::receive_prev() {
123 if (m_window == NULL)
124 throw torrent::internal_error("ui::ElementChunksSeen::receive_prev(...) called on a disabled object");
125
126 if (m_focus > 0)
127 --m_focus;
128 else
129 m_focus = m_window->max_focus();
130
131 m_window->mark_dirty();
132 }
133
134 void
receive_pagenext()135 ElementChunksSeen::receive_pagenext() {
136 if (m_window == NULL)
137 throw torrent::internal_error("ui::ElementChunksSeen::receive_pagenext(...) called on a disabled object");
138
139 unsigned int visible = m_window->height() - 1;
140 unsigned int maxFocus = m_window->max_focus();
141
142 if (maxFocus == 0 || m_focus == maxFocus)
143 m_focus = 0;
144 else if (m_focus + visible / 2 < maxFocus)
145 m_focus += visible / 2;
146 else
147 m_focus = maxFocus;
148
149 m_window->mark_dirty();
150 }
151
152 void
receive_pageprev()153 ElementChunksSeen::receive_pageprev() {
154 if (m_window == NULL)
155 throw torrent::internal_error("ui::ElementChunksSeen::receive_pageprev(...) called on a disabled object");
156
157 unsigned int visible = m_window->height() - 1;
158 unsigned int maxFocus = m_window->max_focus();
159
160 if (m_focus > visible / 2)
161 m_focus -= visible / 2;
162 else if (maxFocus > 0 && m_focus == 0)
163 m_focus = maxFocus;
164 else
165 m_focus = 0;
166
167 m_window->mark_dirty();
168 }
169
170 }
171