diff options
Diffstat (limited to 'dnd.py')
| -rw-r--r-- | dnd.py | 101 |
1 files changed, 0 insertions, 101 deletions
@@ -1,101 +0,0 @@ -# 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 os -import tempfile -import logging - -from xpcom.nsError import * -from xpcom import ServerException -from xpcom import components -from xpcom.components import interfaces - -from documentnode import DocumentNode - -class UriListDataProvider: - _com_interfaces_ = interfaces.nsIFlavorDataProvider - - def __init__(self, doc_node): - self._doc_node = doc_node - self._file_path = None - - def __del__(self): - if self._file_path: - os.remove(self._file_path) - - def getFlavorData(self, transferable, flavor): - if flavor != 'text/uri-list': - raise COMException(NS_ERROR_NOT_IMPLEMENTED) - - mime_type = self._doc_node.get_image_mime_type() - image_name = self._doc_node.get_image_name() - image_name, file_ext = os.path.splitext(image_name) - - if file_ext: - file_ext = file_ext[1:] - - cls = components.classes['@mozilla.org/mime;1'] - mime_service = cls.getService(interfaces.nsIMIMEService) - file_ext = mime_service.getPrimaryExtension(mime_type, file_ext) - - f, self._file_path = tempfile.mkstemp(image_name + '.' + file_ext) - del f - - self._doc_node.save_image(self._file_path) - - cls = components.classes['@mozilla.org/supports-string;1'] - string_supports = cls.createInstance(interfaces.nsISupportsString) - string_supports.data = 'file://' + self._file_path - - return string_supports, 32 - -class DragDropHooks: - _com_interfaces_ = interfaces.nsIClipboardDragDropHooks - - def __init__(self, browser): - self._browser = browser - - def allowDrop(self, event, session): - raise ServerException(NS_ERROR_NOT_IMPLEMENTED) - - def allowStartDrag(self, event): - raise ServerException(NS_ERROR_NOT_IMPLEMENTED) - - def onPasteOrDrop(self, event, trans): - return False - - def onCopyOrDrag(self, event, trans): - if not event: - logging.warning('DragDropHooks.onCopyOrDrag: no event received.') - return True - - mouse_event = event.queryInterface(interfaces.nsIDOMMouseEvent) - event_target = mouse_event.target - target_node = event_target.queryInterface(interfaces.nsIDOMNode) - document_node = DocumentNode(target_node, self._browser.web_navigation) - - if document_node.is_image(): - # Take out this flavors as they confuse the receivers: - trans.removeDataFlavor('text/x-moz-url') - trans.removeDataFlavor('text/html') - trans.removeDataFlavor('text/unicode') - - data_provider = UriListDataProvider(document_node) - trans.addDataFlavor('text/uri-list') - trans.setTransferData('text/uri-list', data_provider, 0) - - return True - |