/usr/share/sugar/activities/Read.activity/readactivity.py is in sugar-read-activity 115~dfsg-3.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 | # Copyright (C) 2007, Red Hat, Inc.
# Copyright (C) 2007 Collabora Ltd. <http://www.collabora.co.uk/>
# Copyright 2008 One Laptop Per Child
# Copyright 2009 Simon Schampijer
#
# 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 logging
import os
import time
from gettext import gettext as _
import re
import md5
import StringIO
import cairo
import json
import emptypanel
import dbus
from gi.repository import GObject
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import Gio
GObject.threads_init()
import telepathy
from sugar3.activity import activity
from sugar3.graphics.toolbutton import ToolButton
from sugar3.graphics.toolbarbox import ToolbarBox
from sugar3.graphics.toolbarbox import ToolbarButton
from sugar3.graphics.toggletoolbutton import ToggleToolButton
from sugar3.graphics.alert import ConfirmationAlert
from sugar3.graphics.alert import Alert
from sugar3.activity.widgets import ActivityToolbarButton
from sugar3.activity.widgets import StopButton
from sugar3.graphics.tray import HTray
from sugar3 import network
from sugar3 import mime
from sugar3 import profile
from sugar3.datastore import datastore
from sugar3.graphics.objectchooser import ObjectChooser
try:
from sugar3.graphics.objectchooser import FILTER_TYPE_MIME_BY_ACTIVITY
except:
FILTER_TYPE_MIME_BY_ACTIVITY = 'mime_by_activity'
from sugar3.graphics import style
from readtoolbar import EditToolbar
from readtoolbar import ViewToolbar
from bookmarkview import BookmarkView
from readdb import BookmarkManager
from sugar3.graphics.menuitem import MenuItem
from linkbutton import LinkButton
_HARDWARE_MANAGER_INTERFACE = 'org.laptop.HardwareManager'
_HARDWARE_MANAGER_SERVICE = 'org.laptop.HardwareManager'
_HARDWARE_MANAGER_OBJECT_PATH = '/org/laptop/HardwareManager'
_TOOLBAR_READ = 2
_logger = logging.getLogger('read-activity')
def _get_screen_dpi():
xft_dpi = Gtk.Settings.get_default().get_property('gtk-xft-dpi')
_logger.debug('Setting dpi to %f', float(xft_dpi / 1024))
return float(xft_dpi / 1024)
def get_md5(filename):
# FIXME: Should be moved somewhere else
filename = filename.replace('file://', '') # XXX: hack
fh = open(filename)
digest = md5.new()
while 1:
buf = fh.read(4096)
if buf == "":
break
digest.update(buf)
fh.close()
return digest.hexdigest()
class ReadHTTPRequestHandler(network.ChunkedGlibHTTPRequestHandler):
"""HTTP Request Handler for transferring document while collaborating.
RequestHandler class that integrates with Glib mainloop. It writes
the specified file to the client in chunks, returning control to the
mainloop between chunks.
"""
def translate_path(self, path):
"""Return the filepath to the shared document."""
if path.endswith('document'):
return self.server.filepath
if path.endswith('metadata'):
return self.server.get_metadata_path()
class ReadHTTPServer(network.GlibTCPServer):
"""HTTP Server for transferring document while collaborating."""
def __init__(self, server_address, filepath, create_metadata_cb):
"""Set up the GlibTCPServer with the ReadHTTPRequestHandler.
filepath -- path to shared document to be served.
"""
self.filepath = filepath
self._create_metadata_cb = create_metadata_cb
network.GlibTCPServer.__init__(self, server_address,
ReadHTTPRequestHandler)
def get_metadata_path(self):
return self._create_metadata_cb()
class ReadURLDownloader(network.GlibURLDownloader):
"""URLDownloader that provides content-length and content-type."""
def get_content_length(self):
"""Return the content-length of the download."""
if self._info is not None:
return int(self._info.headers.get('Content-Length'))
def get_content_type(self):
"""Return the content-type of the download."""
if self._info is not None:
return self._info.headers.get('Content-type')
return None
READ_STREAM_SERVICE = 'read-activity-http'
class ProgressAlert(Alert):
"""
Progress alert with a progressbar - to show the advance of a task
"""
def __init__(self, timeout=5, **kwargs):
Alert.__init__(self, **kwargs)
self._pb = Gtk.ProgressBar()
self._msg_box.pack_start(self._pb, False, False, 0)
self._pb.set_size_request(int(Gdk.Screen.width() * 9. / 10.), -1)
self._pb.set_fraction(0.0)
self._pb.show()
def set_fraction(self, fraction):
# update only by 10% fractions
if int(fraction * 100) % 10 == 0:
self._pb.set_fraction(fraction)
self._pb.queue_draw()
# force updating the progressbar
while Gtk.events_pending():
Gtk.main_iteration_do(True)
class ReadActivity(activity.Activity):
"""The Read sugar activity."""
def __init__(self, handle):
activity.Activity.__init__(self, handle)
self.max_participants = 1
self._document = None
self._fileserver = None
self._object_id = handle.object_id
self._toc_model = None
self.filehash = None
self.connect('key-press-event', self._key_press_event_cb)
self.connect('key-release-event', self._key_release_event_cb)
_logger.debug('Starting Read...')
self._view = None
self.dpi = _get_screen_dpi()
self._bookmark_view = BookmarkView()
self._bookmark_view.connect('bookmark-changed',
self._update_bookmark_cb)
tray = HTray()
self.set_tray(tray, Gtk.PositionType.BOTTOM)
toolbar_box = ToolbarBox()
self.activity_button = ActivityToolbarButton(self)
toolbar_box.toolbar.insert(self.activity_button, 0)
self.activity_button.show()
self._edit_toolbar = EditToolbar()
self._edit_toolbar.undo.props.visible = False
self._edit_toolbar.redo.props.visible = False
self._edit_toolbar.separator.props.visible = False
self._edit_toolbar.copy.set_sensitive(False)
self._edit_toolbar.copy.connect('clicked', self._edit_toolbar_copy_cb)
self._edit_toolbar.paste.props.visible = False
edit_toolbar_button = ToolbarButton(page=self._edit_toolbar,
icon_name='toolbar-edit')
self._edit_toolbar.show()
toolbar_box.toolbar.insert(edit_toolbar_button, -1)
edit_toolbar_button.show()
self._highlight = self._edit_toolbar.highlight
self._highlight_id = self._highlight.connect('clicked',
self.__highlight_cb)
self._view_toolbar = ViewToolbar()
self._view_toolbar.connect('go-fullscreen',
self.__view_toolbar_go_fullscreen_cb)
self._view_toolbar.connect('toggle-index-show',
self.__toogle_navigator_cb)
self._view_toolbar.connect('toggle-tray-show',
self.__toogle_tray_cb)
view_toolbar_button = ToolbarButton(page=self._view_toolbar,
icon_name='toolbar-view')
self._view_toolbar.show()
toolbar_box.toolbar.insert(view_toolbar_button, -1)
view_toolbar_button.show()
self._back_button = self._create_back_button()
toolbar_box.toolbar.insert(self._back_button, -1)
self._back_button.show()
self._forward_button = self._create_forward_button()
toolbar_box.toolbar.insert(self._forward_button, -1)
self._forward_button.show()
num_page_item = Gtk.ToolItem()
self._num_page_entry = self._create_search()
num_page_item.add(self._num_page_entry)
self._num_page_entry.show()
toolbar_box.toolbar.insert(num_page_item, -1)
num_page_item.show()
total_page_item = Gtk.ToolItem()
self._total_page_label = Gtk.Label()
total_page_item.add(self._total_page_label)
self._total_page_label.show()
self._total_page_label.set_margin_right(5)
toolbar_box.toolbar.insert(total_page_item, -1)
total_page_item.show()
self._bookmarker = ToggleToolButton('emblem-favorite')
self._bookmarker_toggle_handler_id = self._bookmarker.connect(
'toggled', self.__bookmarker_toggled_cb)
self._bookmarker.show()
toolbar_box.toolbar.insert(self._bookmarker, -1)
self.speech_toolbar_button = ToolbarButton(icon_name='speak')
toolbar_box.toolbar.insert(self.speech_toolbar_button, -1)
separator = Gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_size_request(0, -1)
separator.set_expand(True)
toolbar_box.toolbar.insert(separator, -1)
separator.show()
stop_button = StopButton(self)
toolbar_box.toolbar.insert(stop_button, -1)
stop_button.show()
self.set_toolbar_box(toolbar_box)
toolbar_box.show()
# This is needed to prevent the call of read_file on
# canvas map, becuase interact in a bad way with the emptypanel
# the program takes responsability of this task.
self._read_file_called = True
self._vbox = Gtk.VBox()
self._vbox.show()
overlay = Gtk.Overlay()
self._hbox = Gtk.HBox()
self._hbox.show()
overlay.add(self._hbox)
self._bookmark_view.props.halign = Gtk.Align.END
self._bookmark_view.props.valign = Gtk.Align.START
# HACK: This is to calculate the scrollbar width
# defined in sugar-artwork gtk-widgets.css.em
if style.zoom(1):
scrollbar_width = 15
else:
scrollbar_width = 11
self._bookmark_view.props.margin_right = scrollbar_width
overlay.add_overlay(self._bookmark_view)
overlay.show()
self._vbox.pack_start(overlay, True, True, 0)
self.set_canvas(self._vbox)
self._navigator = self._create_navigator()
# Set up for idle suspend
self._idle_timer = 0
self._service = None
# start with sleep off
self._sleep_inhibit = True
self.unused_download_tubes = set()
self._want_document = True
self._download_content_length = 0
self._download_content_type = None
# Status of temp file used for write_file:
self._tempfile = None
self._close_requested = False
fname = os.path.join('/etc', 'inhibit-ebook-sleep')
if not os.path.exists(fname):
try:
bus = dbus.SystemBus()
proxy = bus.get_object(_HARDWARE_MANAGER_SERVICE,
_HARDWARE_MANAGER_OBJECT_PATH)
self._service = dbus.Interface(proxy,
_HARDWARE_MANAGER_INTERFACE)
self._scrolled.props.vadjustment.connect("value-changed",
self._user_action_cb)
self._scrolled.props.hadjustment.connect("value-changed",
self._user_action_cb)
self.connect("focus-in-event", self._focus_in_event_cb)
self.connect("focus-out-event", self._focus_out_event_cb)
self.connect("notify::active", self._now_active_cb)
_logger.debug('Suspend on idle enabled')
except dbus.DBusException:
_logger.info(
'Hardware manager service not found, no idle suspend.')
else:
_logger.debug('Suspend on idle disabled')
self.connect("shared", self._shared_cb)
h = hash(self._activity_id)
self.port = 1024 + (h % 64511)
self._progress_alert = None
if self._jobject.file_path is not None and \
self._jobject.file_path != '':
self.read_file(self._jobject.file_path)
elif handle.uri:
self._load_document(handle.uri)
# TODO: we need trasfer the metadata and uodate
# bookmarks and urls
elif self.shared_activity:
# We're joining
if self.get_shared():
# Already joined for some reason, just get the document
self._joined_cb(self)
else:
self._progress_alert = ProgressAlert()
self._progress_alert.props.title = _('Please wait')
self._progress_alert.props.msg = _('Starting connection...')
self.add_alert(self._progress_alert)
# Wait for a successful join before trying to get the document
self.connect("joined", self._joined_cb)
else:
# Not joining, not resuming or resuming session without file
emptypanel.show(self, 'activity-read',
_('No book'), _('Choose something to read'),
self._show_journal_object_picker_cb)
def _create_back_button(self):
back = ToolButton('go-previous-paired')
back.set_tooltip(_('Back'))
back.props.sensitive = False
palette = back.get_palette()
previous_page = MenuItem(text_label=_("Previous page"))
previous_page.show()
previous_bookmark = MenuItem(text_label=_("Previous bookmark"))
previous_bookmark.show()
palette.menu.append(previous_page)
palette.menu.append(previous_bookmark)
back.connect('clicked', self.__go_back_cb)
previous_page.connect('activate', self.__go_back_page_cb)
previous_bookmark.connect('activate', self.__prev_bookmark_activate_cb)
return back
def _create_forward_button(self):
forward = ToolButton('go-next-paired')
forward.set_tooltip(_('Forward'))
forward.props.sensitive = False
palette = forward.get_palette()
next_page = MenuItem(text_label=_("Next page"))
next_page.show()
next_bookmark = MenuItem(text_label=_("Next bookmark"))
next_bookmark.show()
palette.menu.append(next_page)
palette.menu.append(next_bookmark)
forward.connect('clicked', self.__go_forward_cb)
next_page.connect('activate', self.__go_forward_page_cb)
next_bookmark.connect('activate', self.__next_bookmark_activate_cb)
return forward
def _create_search(self):
num_page_entry = Gtk.Entry()
num_page_entry.set_text('0')
num_page_entry.set_alignment(1)
num_page_entry.connect('insert-text',
self.__num_page_entry_insert_text_cb)
num_page_entry.connect('activate',
self.__num_page_entry_activate_cb)
num_page_entry.set_width_chars(4)
return num_page_entry
def _set_total_page_label(self, value):
self._total_page_label.set_text(' / %s' % value)
def show_navigator_button(self):
self._view_toolbar.show_nav_button()
def _create_navigator(self):
def __cursor_changed_cb(treeview):
selection = treeview.get_selection()
store, index_iter = selection.get_selected()
if index_iter is None:
# Nothing selected. This happens at startup
return
if store.iter_has_child(index_iter):
path = store.get_path(index_iter)
if treeview.row_expanded(path):
treeview.collapse_row(path)
else:
treeview.expand_row(path, False)
self._toc_visible = False
self._update_toc_view = False
toc_navigator = Gtk.TreeView()
toc_navigator.set_enable_search(False)
toc_navigator.connect('cursor-changed', __cursor_changed_cb)
toc_selection = toc_navigator.get_selection()
toc_selection.set_mode(Gtk.SelectionMode.SINGLE)
cell = Gtk.CellRendererText()
self.treecol_toc = Gtk.TreeViewColumn(_('Index'), cell, text=0)
toc_navigator.append_column(self.treecol_toc)
self._toc_scroller = Gtk.ScrolledWindow(hadjustment=None,
vadjustment=None)
self._toc_scroller.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
self._toc_scroller.add(toc_navigator)
self._hbox.pack_start(self._toc_scroller, expand=False, fill=False,
padding=0)
self._toc_separator = Gtk.VSeparator()
self._hbox.pack_start(self._toc_separator, expand=False, fill=False,
padding=1)
return toc_navigator
def set_navigator_model(self, model):
self._toc_model = model
self._navigator.set_model(model)
def __toogle_navigator_cb(self, button, visible):
scrollbar_pos = -1
if hasattr(self._view, 'get_vertical_pos'):
scrollbar_pos = self._view.get_vertical_pos()
if visible:
self._toc_visible = True
self._update_toc_view = True
self._toc_select_active_page()
self._toc_scroller.set_size_request(int(Gdk.Screen.width() / 4),
-1)
self._toc_scroller.show_all()
self._toc_separator.show()
else:
self._toc_visible = False
self._toc_scroller.hide()
self._toc_separator.hide()
if scrollbar_pos > -1:
self._view.set_vertical_pos(scrollbar_pos)
def __toogle_tray_cb(self, button, visible):
if visible:
logging.error('Show tray')
self.tray.show()
else:
logging.error('Hide tray')
self.tray.hide()
def __num_page_entry_insert_text_cb(self, entry, text, length, position):
if not re.match('[0-9]', text):
entry.emit_stop_by_name('insert-text')
return True
return False
def __num_page_entry_activate_cb(self, entry):
if entry.props.text:
page = int(entry.props.text) - 1
else:
page = 0
self._view.set_current_page(page)
entry.props.text = str(page + 1)
def __go_back_cb(self, button):
self._view.scroll(Gtk.ScrollType.PAGE_BACKWARD, False)
def __go_forward_cb(self, button):
self._view.scroll(Gtk.ScrollType.PAGE_FORWARD, False)
def __go_back_page_cb(self, button):
self._view.previous_page()
def __go_forward_page_cb(self, button):
self._view.next_page()
def __highlight_cb(self, button):
self._view.toggle_highlight(button.get_active())
def __prev_bookmark_activate_cb(self, menuitem):
page = self._view.get_current_page()
prev_bookmark = self._bookmarkmanager.get_prev_bookmark_for_page(page)
if prev_bookmark is not None:
self._view.set_current_page(prev_bookmark.page_no)
def __next_bookmark_activate_cb(self, menuitem):
page = self._view.get_current_page()
next_bookmark = self._bookmarkmanager.get_next_bookmark_for_page(page)
if next_bookmark is not None:
self._view.set_current_page(next_bookmark.page_no)
def __bookmarker_toggled_cb(self, button):
page = self._view.get_current_page()
if self._bookmarker.props.active:
self._bookmark_view.add_bookmark(page)
else:
alert = ConfirmationAlert()
alert.props.title = _('Delete bookmark')
alert.props.msg = _('All the information related '
'with this bookmark will be lost')
self.add_alert(alert)
alert.connect('response', self.__alert_response_cb, page)
alert.show()
def __alert_response_cb(self, alert, response_id, page):
self.remove_alert(alert)
if response_id is Gtk.ResponseType.OK:
self._bookmark_view.del_bookmark(page)
elif response_id is Gtk.ResponseType.CANCEL:
self._bookmarker.handler_block(self._bookmarker_toggle_handler_id)
self._bookmarker.props.active = True
self._bookmarker.handler_unblock(
self._bookmarker_toggle_handler_id)
def __page_changed_cb(self, model, page_from, page_to):
self._update_nav_buttons(page_to)
if self._toc_model is not None:
self._toc_select_active_page()
self._bookmark_view.update_for_page(page_to)
self.update_bookmark_button()
if self._view.can_highlight():
self._view.show_highlights(page_to)
def _update_bookmark_cb(self, sidebar):
logging.error('update bookmark event')
self.update_bookmark_button()
def update_bookmark_button(self):
self._bookmarker.handler_block(self._bookmarker_toggle_handler_id)
self._bookmarker.props.active = \
self._bookmark_view.is_showing_local_bookmark()
self._bookmarker.handler_unblock(self._bookmarker_toggle_handler_id)
def _update_nav_buttons(self, current_page):
self._back_button.props.sensitive = current_page > 0
self._forward_button.props.sensitive = \
current_page < self._view.get_pagecount() - 1
self._num_page_entry.props.text = str(current_page + 1)
self._set_total_page_label(self._view.get_pagecount())
def _update_toc(self):
if self._view.update_toc(self):
self._navigator_changed_handler_id = \
self._navigator.connect('cursor-changed',
self.__navigator_cursor_changed_cb)
def __navigator_cursor_changed_cb(self, toc_treeview):
if toc_treeview.get_selection() is None:
return
treestore, toc_selected = toc_treeview.get_selection().get_selected()
if toc_selected is not None:
link = self._toc_model.get(toc_selected, 1)[0]
logging.debug('View handle link %s', link)
self._update_toc_view = False
self._view.handle_link(link)
self._update_toc_view = True
def _toc_select_active_page(self):
if not self._toc_visible or not self._update_toc_view:
return
_store, toc_selected = self._navigator.get_selection().get_selected()
if toc_selected is not None:
selected_link = self._toc_model.get(toc_selected, 1)[0]
else:
selected_link = ""
current_link = self._view.get_current_link()
if current_link == selected_link:
return
link_iter = self._view.get_link_iter(current_link)
if link_iter is not None:
self._navigator.handler_block(self._navigator_changed_handler_id)
toc_selection = self._navigator.get_selection()
toc_selection.select_iter(link_iter)
self._navigator.handler_unblock(self._navigator_changed_handler_id)
else:
logging.debug('link "%s" not found in the toc model', current_link)
def _show_journal_object_picker_cb(self, button):
"""Show the journal object picker to load a document.
This is for if Read is launched without a document.
"""
if not self._want_document:
return
try:
chooser = ObjectChooser(parent=self,
what_filter=self.get_bundle_id(),
filter_type=FILTER_TYPE_MIME_BY_ACTIVITY)
except:
chooser = ObjectChooser(parent=self,
what_filter=mime.GENERIC_TYPE_TEXT)
try:
result = chooser.run()
if result == Gtk.ResponseType.ACCEPT:
logging.debug('ObjectChooser: %r' %
chooser.get_selected_object())
jobject = chooser.get_selected_object()
if jobject and jobject.file_path:
for key in jobject.metadata.keys():
self.metadata[key] = jobject.metadata[key]
self.read_file(jobject.file_path)
jobject.object_id = self._object_id
finally:
chooser.destroy()
del chooser
def _now_active_cb(self, widget, pspec):
if self.props.active:
# Now active, start initial suspend timeout
if self._idle_timer > 0:
GObject.source_remove(self._idle_timer)
self._idle_timer = GObject.timeout_add_seconds(15,
self._suspend_cb)
self._sleep_inhibit = False
else:
# Now inactive
self._sleep_inhibit = True
def _focus_in_event_cb(self, widget, event):
"""Enable ebook mode idle sleep since Read has focus."""
self._sleep_inhibit = False
self._user_action_cb(self)
def _focus_out_event_cb(self, widget, event):
"""Disable ebook mode idle sleep since Read lost focus."""
self._sleep_inhibit = True
def _user_action_cb(self, widget):
"""Set a timer for going back to ebook mode idle sleep."""
if self._idle_timer > 0:
GObject.source_remove(self._idle_timer)
self._idle_timer = GObject.timeout_add_seconds(5, self._suspend_cb)
def _suspend_cb(self):
"""Go into ebook mode idle sleep."""
# If the machine has been idle for 5 seconds, suspend
self._idle_timer = 0
if not self._sleep_inhibit and not self.get_shared():
self._service.set_kernel_suspend()
return False
def read_file(self, file_path):
"""Load a file from the datastore on activity start."""
_logger.debug('ReadActivity.read_file: %s', file_path)
# enable collaboration
self.activity_button.page.share.props.sensitive = True
# we need copy the file to a new place, the file_path disappear
extension = os.path.splitext(file_path)[1]
tempfile = os.path.join(self.get_activity_root(), 'instance',
'tmp%i%s' % (time.time(), extension))
os.link(file_path, tempfile)
self._load_document('file://' + tempfile)
# FIXME: This should obviously be fixed properly
GObject.timeout_add_seconds(
1, self.__view_toolbar_needs_update_size_cb, None)
def write_file(self, file_path):
"""Write into datastore for Keep.
The document is saved by hardlinking from the temporary file we
keep around instead of "saving".
The metadata is updated, including current page, view settings,
search text.
"""
if self._tempfile is None:
# Workaround for closing Read with no document loaded
raise NotImplementedError
try:
self.metadata['Read_current_page'] = \
str(self._view.get_current_page())
self._view.update_metadata(self)
self.metadata['Read_search'] = \
self._edit_toolbar._search_entry.props.text
except Exception, e:
_logger.error('write_file(): %s', e)
self.metadata['Read_search'] = \
self._edit_toolbar._search_entry.props.text
self.metadata['activity'] = self.get_bundle_id()
# the file is only saved if modified
saved = False
if hasattr(self._view, 'save'):
saved = self._view.save(file_path)
if saved:
self.filehash = get_md5(file_path)
self.metadata['filehash'] = self.filehash
else:
os.link(self._tempfile, file_path)
if self.filehash is None:
self.filehash = get_md5(file_path)
self.metadata['filehash'] = self.filehash
self._save_bookmars_in_metadata()
if self._close_requested:
_logger.debug("Removing temp file %s because we will close",
self._tempfile)
os.unlink(self._tempfile)
# remove file used to transmit the metadata if exits
try:
metadata_file_path = self._tempfile + '.json'
os.unlink(metadata_file_path)
except OSError:
pass
self._tempfile = None
def _save_bookmars_in_metadata(self):
# save bookmarks in the metadata
bookmarks = []
for bookmark in self._bookmarkmanager.get_bookmarks():
bookmarks.append(bookmark.get_as_dict())
self.metadata['bookmarks'] = json.dumps(bookmarks)
self.metadata['highlights'] = json.dumps(
self._bookmarkmanager.get_all_highlights())
def can_close(self):
"""Prepare to cleanup on closing.
Called from self.close()
"""
self._close_requested = True
return True
def _download_result_cb(self, getter, tempfile, suggested_name, tube_id,
tube_ip, tube_port):
if self._download_content_type == 'text/html':
# got an error page instead
self._download_error_cb(getter, 'HTTP Error', tube_id)
return
del self.unused_download_tubes
# Use the suggested file, the mime is not recognized if the extension
# is wrong in some cases (epub)
temp_dir = os.path.dirname(tempfile)
new_name = os.path.join(temp_dir, suggested_name)
os.rename(tempfile, new_name)
tempfile = new_name
_logger.debug("Saving file %s to datastore...", tempfile)
mimetype = Gio.content_type_guess(tempfile, None)[0]
self._jobject.metadata['mime_type'] = mimetype
self._jobject.file_path = tempfile
datastore.write(self._jobject)
_logger.debug("Got document %s (%s) from tube %u",
tempfile, suggested_name, tube_id)
if self._progress_alert is not None:
self.remove_alert(self._progress_alert)
self._progress_alert = None
# download the metadata
GObject.idle_add(self._download_metadata, tube_id, tube_ip, tube_port)
def _download_metadata_result_cb(self, getter, tempfile, suggested_name,
tube_id):
# load the shared metadata
with open(tempfile) as json_file:
shared_metadata = json.load(json_file)
os.remove(tempfile)
# load the object from the datastore to update the file path
GObject.idle_add(self._open_downloaded_file, shared_metadata)
def _open_downloaded_file(self, shared_metadata):
self._jobject = datastore.get(self._jobject.object_id)
for key in shared_metadata.keys():
self.metadata[key] = shared_metadata[key]
self.read_file(self._jobject.file_path)
def _download_progress_cb(self, getter, bytes_downloaded, tube_id):
# FIXME: Draw a progress bar
if self._download_content_length > 0:
_logger.debug("Downloaded %u of %u bytes from tube %u...",
bytes_downloaded, self._download_content_length,
tube_id)
fraction = float(bytes_downloaded) / \
float(self._download_content_length)
self._progress_alert.set_fraction(fraction)
else:
_logger.debug("Downloaded %u bytes from tube %u...",
bytes_downloaded, tube_id)
def _download_error_cb(self, getter, err, tube_id):
_logger.debug("Error getting document from tube %u: %s",
tube_id, err)
self._want_document = True
self._download_content_length = 0
self._download_content_type = None
if self._progress_alert is not None:
self.remove_alert(self._progress_alert)
self._progress_alert = None
GObject.idle_add(self._get_document)
def _get_connection_params(self, tube_id):
# return ip and port to download a file
chan = self.shared_activity.telepathy_tubes_chan
iface = chan[telepathy.CHANNEL_TYPE_TUBES]
addr = iface.AcceptStreamTube(
tube_id,
telepathy.SOCKET_ADDRESS_TYPE_IPV4,
telepathy.SOCKET_ACCESS_CONTROL_LOCALHOST, 0,
utf8_strings=True)
_logger.debug('Accepted stream tube: listening address is %r', addr)
# SOCKET_ADDRESS_TYPE_IPV4 is defined to have addresses of type '(sq)'
assert isinstance(addr, dbus.Struct)
assert len(addr) == 2
assert isinstance(addr[0], str)
assert isinstance(addr[1], (int, long))
assert addr[1] > 0 and addr[1] < 65536
ip = addr[0]
port = int(addr[1])
return ip, port
def _download_document(self, tube_id):
ip, port = self._get_connection_params(tube_id)
getter = ReadURLDownloader("http://%s:%d/document" % (ip, port))
getter.connect("finished", self._download_result_cb, tube_id, ip, port)
getter.connect("progress", self._download_progress_cb, tube_id)
getter.connect("error", self._download_error_cb, tube_id)
getter.start()
self._download_content_length = getter.get_content_length()
self._download_content_type = getter.get_content_type()
return False
def _download_metadata(self, tube_id, ip, port):
getter = ReadURLDownloader("http://%s:%d/metadata" % (ip, port))
getter.connect("finished", self._download_metadata_result_cb, tube_id)
# getter.connect("progress", self._download_progress_cb, tube_id)
getter.connect("error", self._download_error_cb, tube_id)
getter.start()
self._download_content_length = getter.get_content_length()
self._download_content_type = getter.get_content_type()
return False
def _get_document(self):
if not self._want_document:
return False
# Pick an arbitrary tube we can try to download the document from
try:
tube_id = self.unused_download_tubes.pop()
except (ValueError, KeyError), e:
_logger.debug('No tubes to get the document from right now: %s',
e)
return False
# Avoid trying to download the document multiple times at once
self._want_document = False
GObject.idle_add(self._download_document, tube_id)
return False
def _joined_cb(self, also_self):
"""Callback for when a shared activity is joined.
Get the shared document from another participant.
"""
self.watch_for_tubes()
if self._progress_alert is not None:
self._progress_alert.props.msg = _('Receiving book...')
GObject.idle_add(self._get_document)
def _load_document(self, filepath):
"""Load the specified document and set up the UI.
filepath -- string starting with file://
"""
if self._tempfile is not None:
# prevent reopen
return
self.set_canvas(self._vbox)
filename = filepath.replace('file://', '')
self._tempfile = filename
if not os.path.exists(filename) or os.path.getsize(filename) == 0:
return
if 'mime_type' not in self.metadata or not self.metadata['mime_type']:
mimetype = Gio.content_type_guess(filepath, None)[0]
self.metadata['mime_type'] = mimetype
else:
mimetype = self.metadata['mime_type']
if mimetype == 'application/epub+zip':
import epubadapter
self._view = epubadapter.EpubViewer()
elif mimetype == 'text/plain' or mimetype == 'application/zip':
import textadapter
self._view = textadapter.TextViewer()
elif mimetype == 'application/x-cbz':
import comicadapter
self._view = comicadapter.ComicViewer()
else:
import evinceadapter
self._view = evinceadapter.EvinceViewer()
self._view.setup(self)
self._view.load_document(filepath)
self._want_document = False
self._view_toolbar.set_view(self._view)
self._edit_toolbar.set_view(self._view)
self.filehash = self.metadata.get('filehash', None)
if self.filehash is None:
self.filehash = get_md5(filepath)
logging.error('Calculate hash %s', self.filehash)
self._bookmarkmanager = BookmarkManager(self.filehash)
# update bookmarks and highlights with the informaiton
# from the metadata
if 'bookmarks' in self.metadata:
self._bookmarkmanager.update_bookmarks(
json.loads(self.metadata['bookmarks']))
if 'highlights' in self.metadata:
self._bookmarkmanager.update_highlights(
json.loads(self.metadata['highlights']))
self._bookmarkmanager.connect('added_bookmark',
self._added_bookmark_cb)
self._bookmarkmanager.connect('removed_bookmark',
self._removed_bookmark_cb)
# Add the bookmarks to the tray
for bookmark in self._bookmarkmanager.get_bookmarks():
page = bookmark.page_no
thumb = self._bookmarkmanager.get_bookmark_preview(page)
if thumb is None:
logging.error('Preview NOT FOUND')
thumb = self._get_screenshot()
# The database is zero based
num_page = int(page) + 1
title = _('%s (Page %d)') % \
(bookmark.get_note_title(), num_page)
self._add_link_totray(num_page, thumb, bookmark.color, title,
bookmark.nick, bookmark.local)
self._bookmark_view.set_bookmarkmanager(self._bookmarkmanager)
self._update_toc()
self._view.connect_page_changed_handler(self.__page_changed_cb)
self._view.load_metadata(self)
self._update_toolbars()
self._edit_toolbar._search_entry.props.text = \
self.metadata.get('Read_search', '')
current_page = int(self.metadata.get('Read_current_page', '0'))
_logger.debug('Setting page to: %d', current_page)
self._view.set_current_page(current_page)
self._update_nav_buttons(current_page)
# README: bookmark sidebar is not showing the bookmark in the
# first page because this is updated just if the page number changes
if current_page == 0:
self._bookmark_view.update_for_page(current_page)
# We've got the document, so if we're a shared activity, offer it
try:
if self.get_shared():
self.watch_for_tubes()
self._share_document()
except Exception, e:
_logger.debug('Sharing failed: %s', e)
def _update_toolbars(self):
self._view_toolbar._update_zoom_buttons()
if self._view.can_highlight():
self._highlight.show()
if self._view.can_do_text_to_speech():
import speech
from speechtoolbar import SpeechToolbar
if speech.supported:
self.speech_toolbar = SpeechToolbar(self)
self.speech_toolbar_button.set_page(self.speech_toolbar)
self.speech_toolbar_button.show()
def _share_document(self):
"""Share the document."""
# FIXME: should ideally have the fileserver listen on a Unix socket
# instead of IPv4 (might be more compatible with Rainbow)
_logger.debug('Starting HTTP server on port %d', self.port)
self._fileserver = ReadHTTPServer(("", self.port),
self._tempfile,
self.create_metadata_file)
# Make a tube for it
chan = self.shared_activity.telepathy_tubes_chan
iface = chan[telepathy.CHANNEL_TYPE_TUBES]
self._fileserver_tube_id = iface.OfferStreamTube(
READ_STREAM_SERVICE,
{},
telepathy.SOCKET_ADDRESS_TYPE_IPV4,
('127.0.0.1', dbus.UInt16(self.port)),
telepathy.SOCKET_ACCESS_CONTROL_LOCALHOST, 0)
def create_metadata_file(self):
# store the metadata in a json file
self._save_bookmars_in_metadata()
metadata_file_path = self._tempfile + '.json'
shared_metadata = {}
for key in self.metadata.keys():
if key not in ['preview', 'cover_image']:
shared_metadata[str(key)] = self.metadata[key]
logging.error('save metadata in %s', metadata_file_path)
with open(metadata_file_path, 'w') as json_file:
json.dump(shared_metadata, json_file)
return metadata_file_path
def watch_for_tubes(self):
"""Watch for new tubes."""
tubes_chan = self.shared_activity.telepathy_tubes_chan
tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal(
'NewTube', self._new_tube_cb)
tubes_chan[telepathy.CHANNEL_TYPE_TUBES].ListTubes(
reply_handler=self._list_tubes_reply_cb,
error_handler=self._list_tubes_error_cb)
def _new_tube_cb(self, tube_id, initiator, tube_type, service, params,
state):
"""Callback when a new tube becomes available."""
_logger.debug('New tube: ID=%d initator=%d type=%d service=%s '
'params=%r state=%d', tube_id, initiator, tube_type,
service, params, state)
if self._view is None and service == READ_STREAM_SERVICE:
_logger.debug('I could download from that tube')
self.unused_download_tubes.add(tube_id)
# if no download is in progress, let's fetch the document
if self._want_document:
GObject.idle_add(self._get_document)
def _list_tubes_reply_cb(self, tubes):
"""Callback when new tubes are available."""
for tube_info in tubes:
self._new_tube_cb(*tube_info)
def _list_tubes_error_cb(self, e):
"""Handle ListTubes error by logging."""
_logger.error('ListTubes() failed: %s', e)
def _shared_cb(self, activityid):
"""Callback when activity shared.
Set up to share the document.
"""
# We initiated this activity and have now shared it, so by
# definition we have the file.
_logger.debug('Activity became shared')
self.watch_for_tubes()
self._share_document()
def _view_selection_changed_cb(self, view):
self._edit_toolbar.copy.props.sensitive = view.get_has_selection()
if self._view.can_highlight():
in_bounds, _highlight_found = self._view.in_highlight()
self._highlight.props.sensitive = \
view.get_has_selection() or in_bounds
self._highlight.handler_block(self._highlight_id)
self._highlight.set_active(in_bounds)
self._highlight.handler_unblock(self._highlight_id)
def _edit_toolbar_copy_cb(self, button):
self._view.copy()
def _key_press_event_cb(self, widget, event):
if self.activity_button.page.title.has_focus() or \
self._num_page_entry.has_focus():
return False
keyname = Gdk.keyval_name(event.keyval)
if keyname == 'c' and event.state & Gdk.ModifierType.CONTROL_MASK:
self._view.copy()
return True
elif keyname == 'KP_Home':
# FIXME: refactor later to self.zoom_in()
self._view_toolbar.zoom_in()
return True
elif keyname == 'KP_End':
self._view_toolbar.zoom_out()
return True
elif keyname == 'Home':
self._view.scroll(Gtk.ScrollType.START, False)
return True
elif keyname == 'End':
self._view.scroll(Gtk.ScrollType.END, False)
return True
elif keyname == 'Page_Up' or keyname == 'KP_Page_Up':
self._view.scroll(Gtk.ScrollType.PAGE_BACKWARD, False)
return True
elif keyname == 'Page_Down' or keyname == 'KP_Page_Down':
self._view.scroll(Gtk.ScrollType.PAGE_FORWARD, False)
return True
elif keyname == 'Up' or keyname == 'KP_Up':
self._view.scroll(Gtk.ScrollType.STEP_BACKWARD, False)
return True
elif keyname == 'Down' or keyname == 'KP_Down':
self._view.scroll(Gtk.ScrollType.STEP_FORWARD, False)
return True
elif keyname == 'Left' or keyname == 'KP_Left':
self._view.scroll(Gtk.ScrollType.STEP_BACKWARD, True)
return True
elif keyname == 'Right' or keyname == 'KP_Right':
self._view.scroll(Gtk.ScrollType.STEP_FORWARD, True)
return True
else:
return False
def _key_release_event_cb(self, widget, event):
# keyname = Gdk.keyval_name(event.keyval)
# _logger.debug("Keyname Release: %s, time: %s", keyname, event.time)
return False
def __view_toolbar_needs_update_size_cb(self, view_toolbar):
if hasattr(self._view, 'update_view_size'):
self._view.update_view_size(self._scrolled)
else:
return False # No need again to run this again and
def __view_toolbar_go_fullscreen_cb(self, view_toolbar):
self.fullscreen()
def _added_bookmark_cb(self, bookmarkmanager, page, title):
logging.error('Bookmark added page %d', page)
title = _('%s (Page %d)') % (title, page)
color = profile.get_color().to_string()
owner = profile.get_nick_name()
thumb = self._get_screenshot()
self._add_link_totray(page, thumb, color, title, owner, 1)
bookmarkmanager.add_bookmark_preview(page - 1, thumb)
def _removed_bookmark_cb(self, bookmarkmanager, page):
logging.error('Bookmark removed page %d', page)
# remove button from tray
for button in self.tray.get_children():
if button.page == page:
self.tray.remove_item(button)
if len(self.tray.get_children()) == 0:
self.tray.hide()
self._view_toolbar.traybutton.props.active = False
def _add_link_totray(self, page, buf, color, title, owner, local):
''' add a link to the tray '''
item = LinkButton(buf, color, title, owner, page, local)
item.connect('clicked', self._bookmark_button_clicked_cb, page)
item.connect('go_to_bookmark', self._bookmark_button_clicked_cb)
item.connect('remove_link', self._bookmark_button_removed_cb)
self.tray.show()
self.tray.add_item(item)
item.show()
self._view_toolbar.traybutton.props.active = True
def _bookmark_button_clicked_cb(self, button, page):
num_page = int(page) - 1
self._view.set_current_page(num_page)
if not button.have_preview():
# HACK: we need take the screenshot after the page changed
# but we don't have a event yet, Evince model have a event
# we need check the differnt backends and implement
# in all the backends.
GObject.timeout_add_seconds(2, self._update_preview, button, page)
def _update_preview(self, button, page):
thumb = self._get_screenshot()
self._bookmarkmanager.add_bookmark_preview(page - 1, thumb)
button.set_image(thumb)
return False
def _bookmark_button_removed_cb(self, button, page):
num_page = int(page) - 1
self._bookmark_view.del_bookmark(num_page)
def _get_screenshot(self):
"""Copied from activity.get_preview()
"""
if self.canvas is None or not hasattr(self.canvas, 'get_window'):
return None
window = self.canvas.get_window()
if window is None:
return None
alloc = self.canvas.get_allocation()
dummy_cr = Gdk.cairo_create(window)
target = dummy_cr.get_target()
canvas_width, canvas_height = alloc.width, alloc.height
screenshot_surface = target.create_similar(cairo.CONTENT_COLOR,
canvas_width, canvas_height)
del dummy_cr, target
cr = cairo.Context(screenshot_surface)
r, g, b, a_ = style.COLOR_PANEL_GREY.get_rgba()
cr.set_source_rgb(r, g, b)
cr.paint()
self.canvas.draw(cr)
del cr
preview_width, preview_height = style.zoom(100), style.zoom(80)
preview_surface = cairo.ImageSurface(cairo.FORMAT_ARGB32,
preview_width, preview_height)
cr = cairo.Context(preview_surface)
scale_w = preview_width * 1.0 / canvas_width
scale_h = preview_height * 1.0 / canvas_height
scale = min(scale_w, scale_h)
translate_x = int((preview_width - (canvas_width * scale)) / 2)
translate_y = int((preview_height - (canvas_height * scale)) / 2)
cr.translate(translate_x, translate_y)
cr.scale(scale, scale)
cr.set_source_rgba(1, 1, 1, 0)
cr.set_operator(cairo.OPERATOR_SOURCE)
cr.paint()
cr.set_source_surface(screenshot_surface)
cr.paint()
preview_str = StringIO.StringIO()
preview_surface.write_to_png(preview_str)
return preview_str.getvalue()
|