1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
# Copyright 2009 One Laptop Per Child
# Author: Sayamindu Dasgupta <sayamindu@laptop.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import gobject
import gtk
import widgets
import cairo
import math
import os.path
import BeautifulSoup
import epub
import threading
PAGE_WIDTH = 135
PAGE_HEIGHT = 216
def _pixel_to_mm(pixel, dpi):
inches = pixel/dpi
return int(inches/0.03937)
def _mm_to_pixel(mm, dpi):
inches = mm * 0.03937
return int(inches * dpi)
class SearchThread(threading.Thread):
def __init__(self, obj):
threading.Thread.__init__ (self)
self.obj = obj
self.stopthread = threading.Event()
def _start_search(self):
for entry in self.obj.flattoc:
if self.stopthread.isSet():
break
name, file = entry
filepath = os.path.join(self.obj._document.get_basedir(), file)
f = open(filepath)
if self._searchfile(f):
self.obj._matchfilelist.append(file)
f.close()
gtk.gdk.threads_enter()
self.obj._finished = True
self.obj.emit('updated')
gtk.gdk.threads_leave()
return False
def _searchfile(self, fileobj):
soup = BeautifulSoup.BeautifulSoup(fileobj)
body = soup.find('body')
tags = body.findChildren(True)
for tag in tags:
if not tag.string is None:
if tag.string.find(self.obj._text) > -1:
return True
return False
def run (self):
self._start_search()
def stop(self):
self.stopthread.set()
class _JobPaginator(gobject.GObject):
__gsignals__ = {
'paginated': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
([]))
}
def __init__(self, filelist):
gobject.GObject.__init__(self)
self._filelist = filelist
self._filedict = {}
self._pagemap = {}
self._bookheight = 0
self._count = 0
self._pagecount = 0
self._screen = gtk.gdk.screen_get_default()
self._old_fontoptions = self._screen.get_font_options()
options = cairo.FontOptions()
options.set_hint_style(cairo.HINT_STYLE_MEDIUM)
options.set_antialias(cairo.ANTIALIAS_GRAY)
options.set_subpixel_order(cairo.SUBPIXEL_ORDER_DEFAULT)
options.set_hint_metrics(cairo.HINT_METRICS_DEFAULT)
self._screen.set_font_options(options)
self._temp_win = gtk.Window()
self._temp_view = widgets._WebView()
settings = self._temp_view.get_settings()
settings.props.default_font_family = 'DejaVu LGC Serif'
settings.props.sans_serif_font_family = 'DejaVu LGC Sans'
settings.props.serif_font_family = 'DejaVu LGC Serif'
settings.props.monospace_font_family = 'DejaVu LGC Sans Mono'
settings.props.enforce_96_dpi = True
#settings.props.auto_shrink_images = False #FIXME: This does not seem to work
settings.props.enable_plugins = False
settings.props.default_font_size = 12
settings.props.default_monospace_font_size = 10
settings.props.default_encoding = 'utf-8'
sw = gtk.ScrolledWindow()
sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_NEVER)
self._dpi = 96
sw.set_size_request(_mm_to_pixel(PAGE_WIDTH, self._dpi), _mm_to_pixel(PAGE_HEIGHT, self._dpi))
sw.add(self._temp_view)
self._temp_win.add(sw)
self._temp_view.connect('load-finished', self._page_load_finished_cb)
self._temp_win.show_all()
self._temp_win.unrealize()
self._temp_view.open(self._filelist[self._count])
def _page_load_finished_cb(self, v, frame):
f = v.get_main_frame()
pageheight = v.get_page_height()
if pageheight <= _mm_to_pixel(PAGE_HEIGHT, self._dpi):
pages = 1
else:
pages = pageheight/float(_mm_to_pixel(PAGE_HEIGHT, self._dpi))
for i in range(1, int(math.ceil(pages) + 1)):
if pages - i < 0:
pagelen = (pages - math.floor(pages))/pages
else:
pagelen = 1/pages
self._pagemap[float(self._pagecount + i)] = (f.props.uri, (i-1)/math.ceil(pages), pagelen)
self._pagecount += math.ceil(pages)
self._filedict[f.props.uri.replace('file://', '')] = (math.ceil(pages), math.ceil(pages) - pages)
self._bookheight += pageheight
if self._count+1 >= len(self._filelist):
self._temp_win.destroy()
self._screen.set_font_options(self._old_fontoptions)
self.emit('paginated')
else:
self._count += 1
self._temp_view.open(self._filelist[self._count])
def get_file_for_pageno(self, pageno):
return self._pagemap[pageno][0]
def get_scrollfactor_pos_for_pageno(self, pageno):
return self._pagemap[pageno][1]
def get_scrollfactor_len_for_pageno(self, pageno):
return self._pagemap[pageno][2]
def get_pagecount_for_file(self, file):
return self._filedict[file][0]
def get_remfactor_for_file(self, file):
return self._filedict[file][1]
def get_total_pagecount(self):
return self._pagecount
def get_total_height(self):
return self._bookheight
class _JobFind(gobject.GObject):
__gsignals__ = {
'updated': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
([]))
}
def __init__(self, document, start_page, n_pages, text, case_sensitive=False):
gobject.GObject.__init__(self)
gtk.threads_init()
self._finished = False
self._document = document
self._start_page = start_page
self._n_pages = n_pages
self._text = text
self._case_sensitive = case_sensitive
self.flattoc = self._document.get_flattoc()
self._matchfilelist = []
self._current_file_index = 0
self.threads = []
s_thread = SearchThread(self)
self.threads.append(s_thread)
s_thread.start()
def cancel(self):
for s_thread in self.threads:
s_thread.stop()
def is_finished(self):
return self._finished
def get_next_file(self):
self._current_file_index += 1
try:
path = self._matchfilelist[self._current_file_index]
except IndexError:
self._current_file_index = 0
path = self._matchfilelist[self._current_file_index]
return path
def get_prev_file(self):
self._current_file_index -= 1
try:
path = self._matchfilelist[self._current_file_index]
except IndexError:
self._current_file_index = -1
path = self._matchfilelist[self._current_file_index]
return path
def get_search_text(self):
return self._text
def get_case_sensitive(self):
return self._case_sensitive
|
