diff options
Diffstat (limited to 'src/python/widget/mediacontrol.py')
| -rw-r--r-- | src/python/widget/mediacontrol.py | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/python/widget/mediacontrol.py b/src/python/widget/mediacontrol.py new file mode 100644 index 0000000..3e740d0 --- /dev/null +++ b/src/python/widget/mediacontrol.py @@ -0,0 +1,161 @@ +# -*- 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) + |