/usr/share/pyshared/jarabe/frame/clipboardpanelwindow.py is in python-jarabe-0.96 0.96.1-2.1git1.
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 | # Copyright (C) 2007, One Laptop Per Child
#
# 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
from urlparse import urlparse
import hashlib
import gtk
from jarabe.frame.framewindow import FrameWindow
from jarabe.frame.clipboardtray import ClipboardTray
from jarabe.frame import clipboard
class ClipboardPanelWindow(FrameWindow):
def __init__(self, frame, orientation):
FrameWindow.__init__(self, orientation)
self._frame = frame
# Listening for new clipboard objects
# NOTE: we need to keep a reference to gtk.Clipboard in order to keep
# listening to it.
self._clipboard = gtk.Clipboard()
self._clipboard.connect('owner-change', self._owner_change_cb)
self._clipboard_tray = ClipboardTray()
self._clipboard_tray.show()
self.append(self._clipboard_tray)
# Receiving dnd drops
self.drag_dest_set(0, [], 0)
self.connect('drag_motion', self._clipboard_tray.drag_motion_cb)
self.connect('drag_leave', self._clipboard_tray.drag_leave_cb)
self.connect('drag_drop', self._clipboard_tray.drag_drop_cb)
self.connect('drag_data_received',
self._clipboard_tray.drag_data_received_cb)
def _owner_change_cb(self, x_clipboard, event):
logging.debug('owner_change_cb')
if self._clipboard_tray.owns_clipboard():
return
cb_service = clipboard.get_instance()
targets = x_clipboard.wait_for_targets()
cb_selections = []
if targets is None:
return
target_is_uri = False
for target in targets:
if target not in ('TIMESTAMP', 'TARGETS',
'MULTIPLE', 'SAVE_TARGETS'):
logging.debug('Asking for target %s.', target)
if target == 'text/uri-list':
target_is_uri = True
selection = x_clipboard.wait_for_contents(target)
if not selection:
logging.warning('no data for selection target %s.', target)
continue
cb_selections.append(selection)
if target_is_uri:
uri = selection.data
filename = uri[len('file://'):].strip()
md5 = self._md5_for_file(filename)
data_hash = hash(md5)
else:
data_hash = hash(selection.data)
if len(cb_selections) > 0:
key = cb_service.add_object(name="", data_hash=data_hash)
if key is None:
return
cb_service.set_object_percent(key, percent=0)
for selection in cb_selections:
self._add_selection(key, selection)
cb_service.set_object_percent(key, percent=100)
def _md5_for_file(self, file_name):
'''Calculate md5 for file data
Calculating block wise to prevent issues with big files in memory
'''
block_size = 8192
md5 = hashlib.md5()
f = open(file_name, 'r')
while True:
data = f.read(block_size)
if not data:
break
md5.update(data)
f.close()
return md5.digest()
def _add_selection(self, key, selection):
if not selection.data:
logging.warning('no data for selection target %s.', selection.type)
return
logging.debug('adding type ' + selection.type + '.')
cb_service = clipboard.get_instance()
if selection.type == 'text/uri-list':
uris = selection.get_uris()
if len(uris) > 1:
raise NotImplementedError('Multiple uris in text/uri-list' \
' still not supported.')
uri = uris[0]
scheme, netloc_, path_, parameters_, query_, fragment_ = \
urlparse(uri)
on_disk = (scheme == 'file')
cb_service.add_object_format(key,
selection.type,
uri,
on_disk)
else:
cb_service.add_object_format(key,
selection.type,
selection.data,
on_disk=False)
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