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# -*- coding: utf-8 -*-
# libavg - Media Playback Engine.
# Copyright (C) 2003-2014 Ulrich von Zadow
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Current versions can be found at www.libavg.de
from libavg import avg
from . import slider, button, skin
class TimeSlider(slider.Slider):
def __init__(self, orientation=slider.Orientation.HORIZONTAL,
skinObj=skin.Skin.default, **kwargs):
self.__progressThumb = None
super(TimeSlider, self).__init__(skinObj=skinObj, orientation=orientation,
**kwargs)
if self._orientation == slider.Orientation.HORIZONTAL:
progressCfg = skinObj.defaultProgressBarCfg["horizontal"]
else:
progressCfg = skinObj.defaultProgressBarCfg["vertical"]
thumbUpBmp = progressCfg["thumbUpBmp"]
thumbDisabledBmp = skin.getBmpFromCfg(progressCfg, "thumbDisabledBmp",
"thumbUpBmp")
endsExtent = progressCfg["thumbEndsExtent"]
self.__progressThumb = slider.ScrollBarThumb(orientation=orientation,
upBmp=thumbUpBmp, downBmp=thumbUpBmp, disabledBmp=thumbDisabledBmp,
endsExtent=endsExtent)
self.insertChildAfter(self.__progressThumb, self._trackNode)
self._positionNodes()
def _positionNodes(self, newSliderPos=None):
super(TimeSlider, self)._positionNodes(newSliderPos)
if self.__progressThumb:
if self._orientation == slider.Orientation.HORIZONTAL:
self.__progressThumb.width = self._thumbNode.x+self._thumbNode.width/2
else:
self.__progressThumb.height = self._thumbNode.y+self._thumbNode.height/2
class MediaControl(avg.DivNode):
PLAY_CLICKED = avg.Publisher.genMessageID()
PAUSE_CLICKED = avg.Publisher.genMessageID()
SEEK_PRESSED = avg.Publisher.genMessageID()
SEEK_MOTION = avg.Publisher.genMessageID()
SEEK_RELEASED = avg.Publisher.genMessageID()
def __init__(self, skinObj=skin.Skin.default, duration=1000, time=0, parent=None,
**kwargs):
super(MediaControl, self).__init__(**kwargs)
self.registerInstance(self, parent)
cfg = skinObj.defaultMediaControlCfg
# subscribe to button & slider changes
self._playButton = button.ToggleButton(
uncheckedUpNode=self.__createImageNode(cfg, "playUpBmp"),
uncheckedDownNode=self.__createImageNode(cfg, "playDownBmp"),
uncheckedDisabledNode=self.__createImageNode(cfg, "playDisabledBmp",
"playUpBmp"),
checkedUpNode=self.__createImageNode(cfg, "pauseUpBmp"),
checkedDownNode=self.__createImageNode(cfg, "pauseDownBmp"),
checkedDisabledNode=self.__createImageNode(cfg, "pauseDisabledBmp",
"pauseUpBmp"),
parent=self)
self._playButton.subscribe(button.ToggleButton.TOGGLED, self.__onTogglePlay)
sliderWidth = self.width + cfg["barRight"] - cfg["barPos"][0]
self._timeSlider = TimeSlider(skinObj=skinObj, pos=cfg["barPos"],
width=sliderWidth, parent=self)
self._timeSlider.subscribe(TimeSlider.PRESSED, self.__onSliderPressed)
self._timeSlider.subscribe(TimeSlider.RELEASED, self.__onSliderReleased)
self._timeSlider.subscribe(TimeSlider.THUMB_POS_CHANGED, self.__onSliderMotion)
self._timeNode = avg.WordsNode(pos=cfg["timePos"], fontstyle=cfg["font"],
color="FFFFFF", parent=self)
timeLeftPos = (self.width+cfg["timeLeftPos"][0], cfg["timeLeftPos"][1])
self._timeLeftNode = avg.WordsNode(pos=timeLeftPos, fontstyle=cfg["font"],
color="FFFFFF", parent=self)
self.setDuration(duration)
self.setTime(time)
self.publish(MediaControl.PLAY_CLICKED)
self.publish(MediaControl.PAUSE_CLICKED)
self.publish(MediaControl.SEEK_PRESSED)
self.publish(MediaControl.SEEK_MOTION)
self.publish(MediaControl.SEEK_RELEASED)
def play(self):
self._playButton.checked = True
def pause(self):
self._playButton.checked = False
def getDuration(self):
return self._timeSlider.range[1]
def setDuration(self, duration):
self._timeSlider.range = (0, duration-100)
self.__updateText()
duration = property(getDuration, setDuration)
def getTime(self):
return self._timeSlider.thumbPos
def setTime(self, curTime):
self._timeSlider.thumbPos = curTime
self.__updateText()
time = property(getTime, setTime)
def __onTogglePlay(self, play):
if play:
self.notifySubscribers(MediaControl.PLAY_CLICKED, [])
else:
self.notifySubscribers(MediaControl.PAUSE_CLICKED, [])
def __onSliderPressed(self):
self.notifySubscribers(MediaControl.SEEK_PRESSED, [])
def __onSliderReleased(self):
self.notifySubscribers(MediaControl.SEEK_RELEASED, [])
def __onSliderMotion(self, curTime):
self.__updateText()
self.notifySubscribers(MediaControl.SEEK_MOTION, [curTime])
def __updateText(self):
self._timeNode.text = self.__msToMinSec(self._timeSlider.thumbPos)
self._timeLeftNode.text = "-"+self.__msToMinSec(
(self._timeSlider.range[1]-self._timeSlider.thumbPos))
def __createImageNode(self, cfg, src, defaultSrc=None):
bmp = skin.getBmpFromCfg(cfg, src, defaultSrc)
node = avg.ImageNode()
node.setBitmap(bmp)
return node
def __msToMinSec(self, ms):
ms += 500
minutes, ms = divmod(ms, 60000)
seconds, ms = divmod(ms, 1000)
return "%d:%02d"%(minutes, seconds)
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