#
# Plugins/WMPlayer/__init__.py
#
# Copyright (C) 2007 Oystein Hansen
#
# This file is a plugin for EventGhost.
#
# EventGhost 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.
#
# EventGhost 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 EventGhost; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA


# Every plugin code should begin with the import of 'eg'
import eg

eg.RegisterPlugin(
    name = "Windows Media Player",
    author = "Oystein Hansen",
    version = "0.1." + "$LastChangedRevision: 226 $".split()[1],
    kind = "program",
    description = (
        'Adds actions to control the '
        '<a href="http://www.microsoft.com/windows/windowsmedia/">'
        'Windows Media Player</a>.'
    ),
)



# This is the list of actions we want to produce:
ACTIONS = (
    ("TogglePlay", "Toggle Play", "Simulate a press on the play / pause button.", 18808),
    ("Stop", "Stop", "Simulate a press on the stop button.", 18809),
    ("PreviousTrack", "Previous Track", "Simulate a press on the previous track button.", 18810),
    ("NextTrack", "Next Track", "Simulate a press on the next track button.", 18811),
    ("FastForward", "Fast Forward", "Fast-forward.", 18813),
    ("FastRewind", "Rewind", "Rewind.", 18812),
    ("VolumeUp", "Volume Up", "Raises WMPlayer's volume by 5%.", 18815),
    ("VolumeDown", "Volume Down", "Lower WMPlayer's volume by 5%.", 18816),
    ("ToggleMute", "Toggle Mute", "Simulate a press on the mute button.", 18817),
    ("ToggleShuffle", "Toggle Shuffle", "Toggles Shuffle.", 18842),
    ("ToggleRepeat", "Toggle Repeat", "Toggles Repeat.", 18843),
    ("NowPlaying", "Now Playing", "Switches to the \"Now playing\" window.", 16000),
    ("Library", "Library", "Switches to the \"Library\" window.", 16004),
    ("Fullscreen", "Fullscreen", "Switches between fullscreen and normal mode (only when a video is playing).", 18782),
    ("Exit", "Exit", "Closes Windows Media Player.", 57665),
)


# Now we import some other things we will need later
from win32gui import FindWindow, SendMessageTimeout
from win32con import WM_COMMAND, SMTO_BLOCK, SMTO_ABORTIFHUNG


# Next we define a prototype for all actions, because they all work the same
# way

class ActionPrototype(eg.ActionClass):

    def __call__(self):
        """
        Find WMPlayer's message window and send it a message with 
        SendMessageTimeout.
        """
        try:
            hWMP = FindWindow('WMPlayerApp', None)
            _, result = SendMessageTimeout(
                hWMP, # the window handle
                WM_COMMAND, # the message number
                self.data, # the lParam value
                0, # the wParam value
                SMTO_BLOCK|SMTO_ABORTIFHUNG,
                2000 # wait at most 2 seconds
            )
            return result
        except:
            self.PrintError("Windows Media Player is not running")


# And now we define the actual plugin:

class WMPlayer(eg.PluginClass):
         
    def __init__(self):
        for clsName, actionName, actionDescription, actionData in ACTIONS:
            class TmpAction(ActionPrototype):
                name = actionName
                description = actionDescription
                data = actionData
            TmpAction.__name__ = clsName
            self.AddAction(TmpAction)