gpodder/src/gpodder/gtkui/macosx.py

112 lines
4.4 KiB
Python

# -*- coding: utf-8 -*-
#
# gPodder - A media aggregator and podcast client
# Copyright (c) 2005-2018 The gPodder Team
#
# gPodder 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 3 of the License, or
# (at your option) any later version.
#
# gPodder 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, see <http://www.gnu.org/licenses/>.
#
import struct
import sys
from gpodder import util
def aeKeyword(fourCharCode):
"""transform four character code into a long"""
return struct.unpack('I', fourCharCode)[0]
# for the kCoreEventClass, kAEOpenDocuments, ... constants
# comes with macpython
try:
from Carbon.AppleEvents import *
except ImportError:
...
# all this depends on pyObjc (http://pyobjc.sourceforge.net/).
# There may be a way to achieve something equivalent with only
# what's in MacPython (see for instance http://mail.python.org/pipermail/pythonmac-sig/2006-May/017373.html)
# but I couldn't achieve this !
# Also note that it only works when gPodder is not running !
# For some reason I don't get the events afterwards...
try:
from AppKit import NSAppleEventDescriptor, NSAppleEventManager, NSObject
class gPodderEventHandler(NSObject):
""" handles Apple Events for :
- Open With... (and dropping a file on the icon)
- "subscribe to podcast" from firefox
The code was largely inspired by gedit-osx-delegate.m, from the
gedit project
(see http://git.gnome.org/browse/gedit/tree/gedit/osx/gedit-osx-delegate.m?id=GEDIT_2_28_3).
"""
# keeps a reference to the gui.gPodder class
gp = None
def register(self, gp):
""" register all handlers with NSAppleEventManager """
self.gp = gp
aem = NSAppleEventManager.sharedAppleEventManager()
aem.setEventHandler_andSelector_forEventClass_andEventID_(
self, 'openFileEvent:reply:', aeKeyword(kCoreEventClass), aeKeyword(kAEOpenDocuments))
aem.setEventHandler_andSelector_forEventClass_andEventID_(
self, 'subscribeEvent:reply:', aeKeyword('GURL'), aeKeyword('GURL'))
def openFileEvent_reply_(self, event, reply):
""" handles an 'Open With...' event"""
urls = []
filelist = event.paramDescriptorForKeyword_(aeKeyword(keyDirectObject))
numberOfItems = filelist.numberOfItems()
for i in range(1, numberOfItems + 1):
fileAliasDesc = filelist.descriptorAtIndex_(i)
fileURLDesc = fileAliasDesc.coerceToDescriptorType_(aeKeyword(typeFileURL))
fileURLData = fileURLDesc.data()
url = memoryview(fileURLData.bytes(), 0, fileURLData.length())
url = str(url)
util.idle_add(self.gp.on_item_import_from_file_activate, None, url)
urls.append(str(url))
print(("open Files :", urls), file=sys.stderr)
result = NSAppleEventDescriptor.descriptorWithInt32_(42)
reply.setParamDescriptor_forKeyword_(result, aeKeyword('----'))
def subscribeEvent_reply_(self, event, reply):
""" handles a 'Subscribe to...' event"""
filelist = event.paramDescriptorForKeyword_(aeKeyword(keyDirectObject))
fileURLData = filelist.data()
url = memoryview(fileURLData.bytes(), 0, fileURLData.length())
url = str(url)
print(("Subscribe to :" + url), file=sys.stderr)
util.idle_add(self.gp.subscribe_to_url, url)
result = NSAppleEventDescriptor.descriptorWithInt32_(42)
reply.setParamDescriptor_forKeyword_(result, aeKeyword('----'))
# global reference to the handler (mustn't be destroyed)
handler = gPodderEventHandler.alloc().init()
except ImportError:
print("""
Warning: pyobjc not found. Disabling "Subscribe with" events handling
""", file=sys.stderr)
handler = None
def register_handlers(gp):
""" register the events handlers (and keep a reference to gPodder's instance)"""
if handler is not None:
handler.register(gp)