from PyQt4 import QtGui,QtCore
from thread import start_new_thread
from traceback import print_exc

import format
from misc import *
from clMonty import monty
from clPlugin import *
import plugins

NOTIFY_SONGFORMAT_DEFAULT='$if($artist,$artist)$if($album, - [$album #$track])\n$title ($timems)';
NOTIFY_TIMER_DEFAULT=3

class winNotify(QtGui.QWidget):
	_timerID=None
	resizeWindow=True
	winMain=None
	p=None

	# data used for showing off
	timer=None
	msg=None
	song=None
	xtra_tags=None

	def __init__(self, p, winMain, parent=None):
		QtGui.QWidget.__init__(self, parent)
		self.p=p
		self.winMain=winMain
		
		self.setWindowFlags(QtCore.Qt.ToolTip)
		self.setWindowOpacity(0.7)
		
		font=QtGui.QFont()
		font.setPixelSize(30)
		font.setFamily('Comic Sans Ms')
		self.setFont(font)
		
	def mousePressEvent(self, event):
		self.hide()

	def show(self, msg, song=None, xtra_tags={}, time=3):
		if not self.isVisible():
			self.setVisible(True)
		self.resizeWindow=True
		self.msg=format.compile(msg)
		self.song=song
		self.xtra_tags=xtra_tags
		if self._timerID:
			self.killTimer(self._timerID)
		self._timerID=self.startTimer(500)
		try:
			self.timer=int(time)*2
		except:
			self.timer=3
		self.raise_()
		self.timerEvent(None)
		
	def hide(self):
		if self._timerID:
			self.killTimer(self._timerID)
			self._timerID=None
		self.setHidden(True)

	
	def centerH(self):
		screen = QtGui.QDesktopWidget().screenGeometry()
		size = self.geometry()
		self.move((screen.width()-size.width())/2, 100)
	def paintEvent(self, event):
		p=QtGui.QPainter(self)
		margin=3	# margin in pixels
		spacing=10	# space between album cover and text
		
		# determine the Rect our message must fit in
		txt=self.msg(format.params(self.song, self.xtra_tags))
		rect=p.boundingRect(0,0,1,1, QtCore.Qt.AlignHCenter, txt)
		
		# check if 1/ albumcover plugin is loaded, and 2/ there is an 
		# album cover
		width=0
		try:
			cover=plugins.getPlugin('albumcover')
			img=cover.getWidget().getIMG()
			if img:
				width=128
			else:
				spacing=0
		except:
			img=None
			pass
		
		# do we have to resize?
		if self.resizeWindow:
			self.resizeWindow=False
			self.resize(rect.width()+width+margin*3+spacing, max(width,rect.height())+margin*2)
			self.centerH()
		
		# fill up with a nice color :)
		p.fillRect(QtCore.QRect(0,0,self.width(),self.height()), QtGui.QBrush(QtGui.QColor(230,230,255)))
		
		# draw album cover if necessary
		if img:
			rImg=QtCore.QRectF(margin,margin,width,width)
			p.drawImage(rImg, img)
		
		# Pen In Black ...
		p.setPen(QtCore.Qt.black)
		rect=p.boundingRect(width+margin+spacing,margin,
				rect.width(),self.height(), QtCore.Qt.AlignHCenter|QtCore.Qt.AlignVCenter, txt)
		p.drawText(rect, QtCore.Qt.AlignHCenter, txt)
	
	def timerEvent(self, event):
		self.timer-=1
		if self.timer<=0:
			self.hide()
		self.update()
		


class pluginNotify(Plugin):
	o=None
	def __init__(self, winMain):
		Plugin.__init__(self, winMain, 'Notify')
		self.addMontyListener('onSongChange', self.onSongChange)
		self.addMontyListener('onReady', self.onReady)
		self.addMontyListener('onDisconnect', self.onDisconnect)
		self.addMontyListener('onStateChange', self.onStateChange)
		self.addMontyListener('onVolumeChange', self.onVolumeChange)
	
	def _load(self):
		self.o=winNotify(self, self.winMain)
	def _unload(self):
		self.o=None
	def getInfo(self):
		return "Show interesting events in a popup window."

	def onSongChange(self, params):
		self.o.show(self.getSetting('songformat').replace("\n", "\\n"), monty.getCurrentSong()
				, time=self.getSetting('timer'))

	def onReady(self, params):
		self.o.show('montypc loaded!', monty.getCurrentSong(), time=self.getSetting('timer'))
	
	def onDisconnect(self, params):
		self.o.show('Disconnected!', time=self.getSetting('timer'))
	
	def onStateChange(self, params):
		self.o.show(params['newState'], monty.getCurrentSong(), time=self.getSetting('timer'))
	
	def onVolumeChange(self, params):
		self.o.show('Volume: %i%%'%(params['newVolume']), monty.getCurrentSong(), time=self.getSetting('timer'))
	
	def _getSettings(self):
		txt=QtGui.QTextEdit()
		txt.insertPlainText(self.getSetting('songformat'))
		return [
			['songformat', 'Song format', 'How to format the current playing song.', txt],
			 ['timer', 'Show seconds', 'How many seconds does the notification have to be shown.', QtGui.QLineEdit(str(self.getSetting('timer')))],
			]
	def afterSaveSettings(self):
		try:
			int(self.getSetting('timer'))
		except:
			self.getSetting('timer')
			self.getSettingWidget('notify.timer').setText(str(NOTIFY_DEFAULT_TIMER))
		self.onSongChange(None)