/usr/share/sugar/activities/Read.activity/comicadapter.py is in sugar-read-activity 117-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | # Copyright (C) 2014, Sam Parkinson
#
# 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 zipfile
from gettext import gettext as _
from gi.repository import GObject
from gi.repository import Gtk
from sugar3.graphics.alert import Alert
from imageview import ImageViewer
IMAGE_ENDINGS = ('.png', '.jpg', '.jpeg', '.gif', '.bmp', '.tiff', '.tif')
class ComicViewer(GObject.GObject):
__gsignals__ = {
'zoom-changed': (GObject.SignalFlags.RUN_FIRST, GObject.TYPE_NONE,
([int])),
'page-changed': (GObject.SignalFlags.RUN_FIRST, GObject.TYPE_NONE,
([int, int]))
}
def setup(self, activity):
self._activity = activity
self._zip = None
self._images = []
self._index = 0
self._rotate = 0
self._old_zoom = 1.0
self._sw = Gtk.ScrolledWindow()
self._sw.set_policy(Gtk.PolicyType.ALWAYS, Gtk.PolicyType.ALWAYS)
self._activity._hbox.pack_start(self._sw, True, True, 0)
self._sw.show()
self._view = ImageViewer()
self._view.set_zoom(1.0)
self._view.connect('setup-new-surface', self.__new_surface_cb)
self._sw.add(self._view)
self._view.show()
def load_document(self, file_path):
try:
self._zip = zipfile.ZipFile(file_path.replace('file://', ''))
except (zipfile.BadZipfile, IOError):
pass
files = self._zip.namelist()
files.sort()
self._images = [i for i in files if i.endswith(IMAGE_ENDINGS)]
if len(self._images) == 0:
alert = Alert()
alert.props.title = _('Can not read Comic Book Archive')
alert.props.msg = _('No readable images were found')
self._activity.add_alert(alert)
return
self.set_current_page(0)
def load_metadata(self, activity):
if activity.metadata.get('view-zoom'):
self.set_zoom(activity.metadata.get('view-zoom'))
def update_metadata(self, activity):
activity.metadata['view-zoom'] = self.get_zoom()
def get_current_page(self):
return self._index
def set_current_page(self, page):
if len(self._images) == 0:
return
from_ = self._index
self._index = page
filename = self._images[page]
data = self._zip.read(filename)
self._view.set_data(data)
self.emit('page-changed', from_, self._index)
def __new_surface_cb(self, view):
self._view.set_rotate(self._rotate)
self._view.update_adjustments()
self._sw.get_hadjustment().set_value(0)
self._sw.get_vadjustment().set_value(0)
self._view.update_adjustments()
self._view.queue_draw()
def next_page(self):
if self._index + 1 < self.get_pagecount():
self.set_current_page(self._index + 1)
def previous_page(self):
if self._index - 1 >= 0:
self.set_current_page(self._index - 1)
def can_rotate(self):
return True
def rotate_left(self):
self._view.rotate_anticlockwise()
self._rotate -= 1
if self._rotate == -4:
self._rotate = 0
def rotate_right(self):
self._view.rotate_clockwise()
self._rotate += 1
if self._rotate == 4:
self._rotate = 0
def get_pagecount(self):
return len(self._images)
def connect_zoom_handler(self, handler):
self.connect('zoom-changed', handler)
def _zoom_changed(self):
self.emit('zoom-changed', self.get_zoom())
def get_zoom(self):
return self._view.get_zoom()
def set_zoom(self, value):
self._view.set_zoom(value)
self._zoom_changed()
def zoom_in(self):
self._view.zoom_in()
self._zoom_changed()
def can_zoom_in(self):
return self._view.can_zoom_in()
def zoom_out(self):
self._view.zoom_out()
self._zoom_changed()
def can_zoom_out(self):
return self._view.can_zoom_out()
def can_zoom_to_width(self):
return True
def zoom_to_width(self):
self._view.zoom_to_width()
self._zoom_changed()
def zoom_to_best_fit(self):
self._view.zoom_to_fit()
self._zoom_changed()
def can_zoom_to_actual_size(self):
return True
def zoom_to_actual_size(self):
self._view.zoom_original()
self._zoom_changed()
def connect_page_changed_handler(self, handler):
self.connect('page-changed', handler)
def scroll(self, scrolltype, horizontal):
if scrolltype == Gtk.ScrollType.PAGE_BACKWARD:
self.previous_page()
elif scrolltype == Gtk.ScrollType.PAGE_FORWARD:
self.next_page()
elif scrolltype == Gtk.ScrollType.STEP_BACKWARD:
self._scroll_step(False, horizontal)
elif scrolltype == Gtk.ScrollType.STEP_FORWARD:
self._scroll_step(True, horizontal)
elif scrolltype == Gtk.ScrollType.START:
self.set_current_page(1)
elif scrolltype == Gtk.ScrollType.END:
self.set_current_page(self._document.get_n_pages())
else:
pass
def _scroll_step(self, forward, horizontal):
if horizontal:
adj = self._sw.get_hadjustment()
else:
adj = self._sw.get_vadjustment()
value = adj.get_value()
step = adj.get_step_increment()
if forward:
adj.set_value(value + step)
else:
adj.set_value(value - step)
# Not relevant for non-text documents
def can_highlight(self):
return False
def can_do_text_to_speech(self):
return False
def find_set_highlight_search(self, set_highlight_search):
pass
def find_next(self):
pass
def find_previous(self):
pass
def update_toc(self, activity):
pass
def handle_link(self, link):
pass
def get_current_link(self):
return ''
def get_link_iter(self, link):
return None
def copy(self):
# Copy is for the selected text
pass
|