openmedialibrary_platform_w.../trayicon/Open Media Library.py
2016-02-01 17:31:49 +05:30

270 lines
10 KiB
Python

#!/usr/bin/env python
import os
import signal
import subprocess
import sys
import webbrowser
import time
from threading import Thread
import win32api
import win32con
import win32gui_struct
try:
import winxpgui as win32gui
except ImportError:
import win32gui
import install
class OMLTrayIcon(object):
QUIT = 'QUIT'
SPECIAL_ACTIONS = [QUIT]
FIRST_ID = 1023
def __init__(self):
self.thread_id = win32api.GetCurrentThreadId()
launch(self)
name = "Open Media Library"
self.icon = "ico/oml.ico"
self.hover_text = name
self.on_quit = quit
menu_options = (
('Launch', None, launch),
('Quit', None, self.QUIT)
)
self._next_action_id = self.FIRST_ID
self.menu_actions_by_id = set()
self.menu_options = self._add_ids_to_menu_options(list(menu_options))
self.menu_actions_by_id = dict(self.menu_actions_by_id)
del self._next_action_id
self.default_menu_index = 0
self.window_class_name = name
message_map = {win32gui.RegisterWindowMessage("TaskbarCreated"): self.restart,
win32con.WM_DESTROY: self.destroy,
win32con.WM_COMMAND: self.command,
win32con.WM_USER+20 : self.notify,}
# Register the Window class.
window_class = win32gui.WNDCLASS()
hinst = window_class.hInstance = win32gui.GetModuleHandle(None)
window_class.lpszClassName = self.window_class_name
window_class.style = win32con.CS_VREDRAW | win32con.CS_HREDRAW;
window_class.hCursor = win32gui.LoadCursor(0, win32con.IDC_ARROW)
window_class.hbrBackground = win32con.COLOR_WINDOW
window_class.lpfnWndProc = message_map # could also specify a wndproc.
classAtom = win32gui.RegisterClass(window_class)
# Create the Window.
style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU
self.hwnd = win32gui.CreateWindow(classAtom,
self.window_class_name,
style,
0,
0,
win32con.CW_USEDEFAULT,
win32con.CW_USEDEFAULT,
0,
0,
hinst,
None)
win32gui.UpdateWindow(self.hwnd)
self.notify_id = None
self.refresh_icon()
win32gui.PumpMessages()
def _add_ids_to_menu_options(self, menu_options):
result = []
for menu_option in menu_options:
option_text, option_icon, option_action = menu_option
if callable(option_action) or option_action in self.SPECIAL_ACTIONS:
self.menu_actions_by_id.add((self._next_action_id, option_action))
result.append(menu_option + (self._next_action_id,))
else:
print ('Unknown item', option_text, option_icon, option_action)
self._next_action_id += 1
return result
def refresh_icon(self):
# Try and find a custom icon
hinst = win32gui.GetModuleHandle(None)
if os.path.isfile(self.icon):
icon_flags = win32con.LR_LOADFROMFILE | win32con.LR_DEFAULTSIZE
hicon = win32gui.LoadImage(hinst,
self.icon,
win32con.IMAGE_ICON,
0,
0,
icon_flags)
else:
print ("Can't find icon file - using default.")
hicon = win32gui.LoadIcon(0, win32con.IDI_APPLICATION)
if self.notify_id: message = win32gui.NIM_MODIFY
else: message = win32gui.NIM_ADD
self.notify_id = (self.hwnd,
0,
win32gui.NIF_ICON | win32gui.NIF_MESSAGE | win32gui.NIF_TIP,
win32con.WM_USER+20,
hicon,
self.hover_text)
win32gui.Shell_NotifyIcon(message, self.notify_id)
def restart(self, hwnd, msg, wparam, lparam):
self.refresh_icon()
def destroy(self, hwnd, msg, wparam, lparam):
if self.on_quit: self.on_quit(self)
nid = (self.hwnd, 0)
win32gui.Shell_NotifyIcon(win32gui.NIM_DELETE, nid)
win32gui.PostQuitMessage(0) # Terminate the app.
def notify(self, hwnd, msg, wparam, lparam):
if lparam==win32con.WM_LBUTTONDBLCLK:
self.execute_menu_option(self.default_menu_index + self.FIRST_ID)
elif lparam==win32con.WM_RBUTTONUP:
self.show_menu()
elif lparam==win32con.WM_LBUTTONUP:
self.show_menu()
return True
def show_menu(self):
menu = win32gui.CreatePopupMenu()
self.create_menu(menu, self.menu_options)
#win32gui.SetMenuDefaultItem(menu, 1000, 0)
pos = win32gui.GetCursorPos()
# See http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/menus_0hdi.asp
win32gui.SetForegroundWindow(self.hwnd)
win32gui.TrackPopupMenu(menu,
win32con.TPM_LEFTALIGN,
pos[0],
pos[1],
0,
self.hwnd,
None)
win32gui.PostMessage(self.hwnd, win32con.WM_NULL, 0, 0)
def create_menu(self, menu, menu_options):
for option_text, option_icon, option_action, option_id in menu_options[::-1]:
if option_icon:
option_icon = self.prep_menu_icon(option_icon)
if option_id in self.menu_actions_by_id:
item, extras = win32gui_struct.PackMENUITEMINFO(text=option_text,
hbmpItem=option_icon,
wID=option_id)
win32gui.InsertMenuItem(menu, 0, 1, item)
else:
submenu = win32gui.CreatePopupMenu()
self.create_menu(submenu, option_action)
item, extras = win32gui_struct.PackMENUITEMINFO(text=option_text,
hbmpItem=option_icon,
hSubMenu=submenu)
win32gui.InsertMenuItem(menu, 0, 1, item)
def prep_menu_icon(self, icon):
# First load the icon.
ico_x = win32api.GetSystemMetrics(win32con.SM_CXSMICON)
ico_y = win32api.GetSystemMetrics(win32con.SM_CYSMICON)
hicon = win32gui.LoadImage(0, icon, win32con.IMAGE_ICON, ico_x, ico_y, win32con.LR_LOADFROMFILE)
hdcBitmap = win32gui.CreateCompatibleDC(0)
hdcScreen = win32gui.GetDC(0)
hbm = win32gui.CreateCompatibleBitmap(hdcScreen, ico_x, ico_y)
hbmOld = win32gui.SelectObject(hdcBitmap, hbm)
# Fill the background.
brush = win32gui.GetSysColorBrush(win32con.COLOR_MENU)
win32gui.FillRect(hdcBitmap, (0, 0, 16, 16), brush)
# unclear if brush needs to be feed. Best clue I can find is:
# "GetSysColorBrush returns a cached brush instead of allocating a new
# one." - implies no DeleteObject
# draw the icon
win32gui.DrawIconEx(hdcBitmap, 0, 0, hicon, ico_x, ico_y, 0, 0, win32con.DI_NORMAL)
win32gui.SelectObject(hdcBitmap, hbmOld)
win32gui.DeleteDC(hdcBitmap)
return hbm
def command(self, hwnd, msg, wparam, lparam):
id = win32gui.LOWORD(wparam)
self.execute_menu_option(id)
def execute_menu_option(self, id):
menu_action = self.menu_actions_by_id[id]
if menu_action == self.QUIT:
win32gui.DestroyWindow(self.hwnd)
else:
menu_action(self)
def quit(self):
nid = (self.hwnd, 0)
win32gui.Shell_NotifyIcon(win32gui.NIM_DELETE, nid)
win32api.PostThreadMessage(self.thread_id, win32con.WM_QUIT, 0, 0)
class Check(Thread):
def __init__(self, parent, pid):
self.parent = parent
self.pid = pid
Thread.__init__(self)
self.daemon = True
self.start()
def run(self):
time.sleep(60)
while check_pid(self.pid):
time.sleep(60)
self.parent.quit()
def check_pid(pidfile):
if not os.path.exists(pidfile):
return False
try:
with open(pidfile) as fd:
pid = int(fd.read())
except:
return False
try:
os.kill(pid, 0)
except:
return False
else:
return True
def launch(sysTrayIcon=None):
base = os.path.join(os.getenv('LOCALAPPDATA'), 'Open Media Library')
pid = os.path.join(base, 'data', 'openmedialibrary.pid')
if check_pid(pid):
webbrowser.open_new_tab(os.path.join(base, 'openmedialibrary', 'static', 'html', 'load.html'))
sysTrayIcon._check = Check(sysTrayIcon, pid)
elif os.path.exists(base):
python = os.path.join(base, 'platform_win32', 'pythonw.exe')
oml = os.path.join(base, 'openmedialibrary')
subprocess.Popen([python, 'oml', 'server', pid], cwd=oml, start_new_session=True)
webbrowser.open_new_tab(os.path.join(base, 'openmedialibrary', 'static', 'html', 'load.html'))
sysTrayIcon._check = Check(sysTrayIcon, pid)
else:
install.run(base)
def quit(sysTrayIcon):
base = os.path.join(os.getenv('LOCALAPPDATA'), 'Open Media Library')
pid = os.path.join(base, 'data', 'openmedialibrary.pid')
if os.path.exists(pid):
with open(pid) as fd:
data = fd.read().strip()
try:
os.kill(int(data), signal.SIGTERM)
except:
pass
if __name__ == '__main__':
if getattr(sys, 'frozen', False):
base = os.path.dirname(sys.executable)
else:
base = os.path.dirname(os.path.realpath(__file__))
base = os.path.abspath(base)
os.chdir(base)
OMLTrayIcon()