constants.py

# -*- coding: UTF-8 -*-
import os
import gtk
from gettext import gettext as gt
from gettext import ngettext
import hippo

import sugar.graphics.style
from sugar.activity import activity

from instance import Instance
from sugar import profile
from color import Color
import utils
import cairo
import pango
import pangocairo


def istrMinutes(x):
    return ngettext('%(1)s minute', '%(1)s minutes', int(x)) % {'1': int(x)}


def istrSeconds(x):
    return ngettext('%(1)s second', '%(1)s seconds', int(x)) % {'1': int(x)}


class Constants:

    VERSION = 54

    SERVICE = "org.laptop.Record"
    IFACE = SERVICE
    PATH = "/org/laptop/Record"
    activityId = None

    recdTitle = "title"
    recdTags = "tags"
    recdTime = "time"
    recdRecorderName = "photographer"
    recdRecorderHash = "recorderHash"
    recdColorStroke = "colorStroke"
    recdColorFill = "colorFill"
    recdHashKey = "hashKey"
    recdBuddy = "buddy"
    recdMediaMd5 = "mediaMd5"
    recdThumbMd5 = "thumbMd5"
    recdMediaBytes = "mediaBytes"
    recdThumbBytes = "thumbBytes"
    recdBase64Thumb = "base64Thumb"
    recdDatastoreId = "datastoreId"
    recdAudioImage = "audioImage"
    recdAlbum = "album"
    recdType = "type"
    recdRecd = "recd"
    recdRecordVersion = "version"

    keyName = "name"
    keyMime = "mime"
    keyExt = "ext"
    keyIstr = "istr"

    MODE_PHOTO = 0
    MODE_VIDEO = 1
    MODE_AUDIO = 2
    TYPE_PHOTO = MODE_PHOTO
    TYPE_VIDEO = MODE_VIDEO
    TYPE_AUDIO = MODE_AUDIO

    TIMER_0 = 0
    TIMER_5 = 5
    TIMER_10 = 10
    TIMERS = []
    TIMERS.append(TIMER_0)
    TIMERS.append(TIMER_5)
    TIMERS.append(TIMER_10)

    DURATION_2 = 2
    DURATION_4 = 4
    DURATION_6 = 6
    DURATIONS = []                                                                            
    DURATIONS.append(DURATION_2)
    DURATIONS.append(DURATION_4)
    DURATIONS.append(DURATION_6)

    colorBlack = Color()
    colorBlack.init_rgba( 0, 0, 0, 255 )
    colorWhite = Color()
    colorWhite.init_rgba( 255, 255, 255, 255 )
    colorRed = Color()
    colorRed.init_rgba( 255, 0, 0, 255)
    colorGreen = Color()
    colorGreen.init_rgba( 0, 255, 0, 255)
    colorBlue = Color()
    colorBlue.init_rgba( 0, 0, 255, 255)
    colorButton = Color()
    colorButton.init_gdk( sugar.graphics.style.COLOR_BUTTON_GREY )

    gfxPath = os.path.join(activity.get_bundle_path(), "gfx")
    soundClick = os.path.join(gfxPath, 'photoShutter.wav')


    #defensive method against variables not translated correctly
    def _(s):
        #todo: permanent variable
        istrsTest = {}
        for i in range (0,4):
            istrsTest[str(i)] = str(i)

        i = s
        try:
            #test translating the string with many replacements
            i = gt(s)
            test = i % istrsTest
        except:
            #if it doesn't work, revert
            i = s

        return i


    istrActivityName = _('Record')
    istrPhoto = _('Photo')
    istrVideo = _('Video')
    istrAudio = _('Audio')
    istrTimelapse = _('Time Lapse')
    istrAnimation = _('Animation')
    istrPanorama = _('Panorama')
    istrInterview= _('Interview')
    #TRANS: photo by photographer, e.g., "Photo by Mary"
    istrBy = _("%(1)s by %(2)s")
    istrTitle = _('Title:')
    istrRecorder = _('Recorder:')
    istrDate = _('Date:')
    istrTags = _('Tags:')
    istrSaving = _('Saving')
    istrFinishedRecording = _("Finished recording")
    istrRemove = _("Remove")
    istrStoppedRecording = _("Stopped recording")
    istrCopyToClipboard = _("Copy to clipboard")
    istrTimer = _("Timer:")
    istrDuration = _("Duration:")
    istrRemaining = _("Remaining:")
    istrNow = _("Immediate")
    istrPlay = _("Play")
    istrPause = _("Pause")
    istrAddFrame = _("Add frame")
    istrRemoveFrame = _("Remove frame")
    istrFramesPerSecond = _("%(1)s frames per second")
    istrQuality = _("Quality")
    istrDefault = _("Default")
    istrBestQuality = _("Best")
    istrHighQuality = _("High")
    istrLowQuality = _("Low")
    istrLargeFile = _("Large file")
    istrSmallFile = _("Small file")
    istrSilent = _("Silent")
    istrRotate = _("Rotate")
    istrWidth = _("Width")
    istrHeight = _("Height")
    istrClickToTakePicture = _("Click to take picture")
    istrClickToAddPicture = _("Click to add picture")
    #TRANS: Downloading Photo from Mary
    istrDownloadingFrom = _("Downloading %(1)s from %(2)s")
    #TRANS: Cannot download this Photo
    istrCannotDownload = _("Cannot download this %(1)s")
    #TRANS: Save Photo to:
    istrSaveTo = _("Save %(1)s to:")
    istrYourDiskIsFull = _("Your %(1)s is full")
    istrJournal = _("Journal")
    istrUSB = _("USB")
    istrCompactFlash = _("SD Card")
    istrPreferences = _("Preferences")
    istrFreeSpace = _("Free space:")
    #TRANS: 7 photos
    istrBitrate = _("Bitrate")
    istrMaxBitrate = _("Maximum Bitrate")
    istrMinBitrate = _("Minumum Bitrate")
    istrManageBitrate = _("Manage Bitrate")
    istrBorder = _("Border")
    istrCenter = _("Center")
    istrFrames = _("Frames")
    istrKeyframeAuto = _("Automatic keyframe detection")
    istrKeyframeForce = _("Force keyframe")
    istrKeyframeFrequency = _("Keyframe frequency")
    istrKeyframeMinDist = _("Keyframe minimum distance")
    istrKeyframeThreshold = _("Keyframe threshold")
    istrNoiseSensitivity = _("Noise Sensitivity")
    istrQuick = _("Quick")
    istrSharpness = _("Sharpness")
    istrCapacity = _("Capacity")

    mediaTypes = {}
    mediaTypes[TYPE_PHOTO] = {keyName:"photo", keyMime:"image/jpeg", keyExt:"jpg", keyIstr:istrPhoto}
    mediaTypes[TYPE_VIDEO] = {keyName:"video", keyMime:"video/ogg", keyExt:"ogg", keyIstr:istrVideo}
    mediaTypes[TYPE_AUDIO] = {keyName:"audio", keyMime:"audio/ogg", keyExt:"ogg", keyIstr:istrAudio}

    thumbPhotoSvgData = None
    thumbPhotoSvg = None
    thumbVideoSvg = None
    maxEnlargeSvg = None
    maxReduceSvg = None
    infoOnSvg = None
    xoGuySvgData = None

    recImg = None
    recRedImg = None
    recCircleCairo = None
    recInsensitiveImg = None
    recPlayImg = None
    recPauseImg = None
    countdownImgs = {}

    dim_CONTROLBAR_HT = 55

    keepFreeKbOnXo = 100000

    def __init__( self, ca ):
        self.__class__.activityId = ca._activity_id

        thumbPhotoSvgPath = os.path.join(self.__class__.gfxPath, 'object-photo.svg')
        thumbPhotoSvgFile = open(thumbPhotoSvgPath, 'r')
        self.__class__.thumbPhotoSvgData = thumbPhotoSvgFile.read()
        self.__class__.thumbPhotoSvg = utils.loadSvg(self.__class__.thumbPhotoSvgData, Instance.colorStroke.hex, Instance.colorFill.hex)
        thumbPhotoSvgFile.close()

        thumbVideoSvgPath = os.path.join(self.__class__.gfxPath, 'object-video.svg')
        thumbVideoSvgFile = open(thumbVideoSvgPath, 'r')
        self.__class__.thumbVideoSvgData = thumbVideoSvgFile.read()
        self.__class__.thumbVideoSvg = utils.loadSvg(self.__class__.thumbVideoSvgData, Instance.colorStroke.hex, Instance.colorFill.hex)
        thumbVideoSvgFile.close()

        thumbAudioSvgPath = os.path.join(self.__class__.gfxPath, 'object-audio.svg')
        thumbAudioSvgFile = open(thumbAudioSvgPath, 'r')
        self.__class__.thumbAudioSvgData = thumbAudioSvgFile.read()
        self.__class__.thumbAudioSvg = utils.loadSvg(self.__class__.thumbAudioSvgData, Instance.colorStroke.hex, Instance.colorFill.hex)
        thumbAudioSvgFile.close()

        maxEnlargeSvgPath = os.path.join(self.__class__.gfxPath, 'max-enlarge.svg')
        maxEnlargeSvgFile = open(maxEnlargeSvgPath, 'r')
        maxEnlargeSvgData = maxEnlargeSvgFile.read()
        self.__class__.maxEnlargeSvg = utils.loadSvg(maxEnlargeSvgData, None, None )
        maxEnlargeSvgFile.close()

        maxReduceSvgPath = os.path.join(self.__class__.gfxPath, 'max-reduce.svg')
        maxReduceSvgFile = open(maxReduceSvgPath, 'r')
        maxReduceSvgData = maxReduceSvgFile.read()
        self.__class__.maxReduceSvg = utils.loadSvg(maxReduceSvgData, None, None )
        maxReduceSvgFile.close()

        infoOnSvgPath = os.path.join(self.__class__.gfxPath, 'corner-info.svg')
        infoOnSvgFile = open(infoOnSvgPath, 'r')
        infoOnSvgData = infoOnSvgFile.read()
        self.__class__.infoOnSvg = utils.loadSvg(infoOnSvgData, None, None )
        infoOnSvgFile.close()

        xoGuySvgPath = os.path.join(self.__class__.gfxPath, 'xo-guy.svg')
        xoGuySvgFile = open(xoGuySvgPath, 'r')
        self.__class__.xoGuySvgData = xoGuySvgFile.read()
        xoGuySvgFile.close()

        recFile = os.path.join(self.__class__.gfxPath, 'media-record.png')
        recPixbuf = gtk.gdk.pixbuf_new_from_file(recFile)
        self.__class__.recImg = gtk.Image()
        self.__class__.recImg.set_from_pixbuf( recPixbuf )

        recRedFile = os.path.join(self.__class__.gfxPath, 'media-record-red.png')
        recRedPixbuf = gtk.gdk.pixbuf_new_from_file(recRedFile)
        self.__class__.recRedImg = gtk.Image()
        self.__class__.recRedImg.set_from_pixbuf( recRedPixbuf )

        recCircleFile = os.path.join(self.__class__.gfxPath, 'media-circle.png')
        recCirclePixbuf = gtk.gdk.pixbuf_new_from_file(recCircleFile)
        self.__class__.recCircleCairo = hippo.cairo_surface_from_gdk_pixbuf(recCirclePixbuf)

        recInsFile = os.path.join(self.__class__.gfxPath, 'media-insensitive.png')
        recInsPixbuf = gtk.gdk.pixbuf_new_from_file(recInsFile)
        self.__class__.recInsensitiveImg = gtk.Image()
        self.__class__.recInsensitiveImg.set_from_pixbuf( recInsPixbuf )

        fullInsFile = os.path.join(self.__class__.gfxPath, 'full-insensitive.png')
        fullInsPixbuf = gtk.gdk.pixbuf_new_from_file(fullInsFile)
        self.__class__.fullInsensitiveImg = gtk.Image()
        self.__class__.fullInsensitiveImg.set_from_pixbuf( fullInsPixbuf )

        recPlayFile = os.path.join(self.__class__.gfxPath, 'media-play.png')
        recPlayPixbuf = gtk.gdk.pixbuf_new_from_file(recPlayFile)
        self.__class__.recPlayImg = gtk.Image()
        self.__class__.recPlayImg.set_from_pixbuf( recPlayPixbuf )

        recPauseFile = os.path.join(self.__class__.gfxPath, 'media-pause.png')
        recPausePixbuf = gtk.gdk.pixbuf_new_from_file(recPauseFile)
        self.__class__.recPauseImg = gtk.Image()
        self.__class__.recPauseImg.set_from_pixbuf( recPausePixbuf )

        self._ts = self.__class__.TIMERS
        longestTime = self._ts[len(self._ts)-1]
        for i in range (0, longestTime):
            self.createCountdownPng( i )


    def createCountdownPng(self, num):
        todisk = True

        rendered = False
        if (todisk):
            path = os.path.join(Instance.dataPath, str(num)+".png")
            if (os.path.exists(path)):
                rendered = True


        if (not rendered):
            w = self.__class__.dim_CONTROLBAR_HT
            h = w
            if (todisk):
                cimg = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h)
                ctx = cairo.Context(cimg)
            else:
                pixmap = gtk.gdk.Pixmap(None, w, h, 24)
                ctx = pixmap.cairo_create()
            ctx.rectangle(0, 0, w, h)
            ctx.set_source_rgb(0, 0, 0)
            ctx.fill()
            x = 0
            y = 4
            ctx.translate(x,y)
            ctx.set_source_surface (self.__class__.recCircleCairo, 0, 0)
            ctx.paint()
            ctx.translate(-x,-y)

            ctx.set_source_rgb(255, 255, 255)
            pctx = pangocairo.CairoContext(ctx)
            play = pctx.create_layout()
            font = pango.FontDescription("sans 30")
            play.set_font_description(font)
            play.set_text( ""+str(num) )
            dim = play.get_pixel_extents()
            ctx.translate( -dim[0][0], -dim[0][1] )
            xoff = (w-dim[0][2])/2
            yoff = (h-dim[0][3])/2
            ctx.translate( xoff, yoff )
            ctx.translate( -3, 0 )
            pctx.show_layout(play)

        img = gtk.Image()
        if (todisk):
            path = os.path.join(Instance.dataPath, str(num)+".png")
            if (not rendered):
                path = utils.getUniqueFilepath(path, 0)
                cimg.write_to_png(path)
            numPixbuf = gtk.gdk.pixbuf_new_from_file(path)
            img.set_from_pixbuf( numPixbuf )
        else:
            img.set_from_pixmap(pixmap, None)

        self.__class__.countdownImgs[int(num)] = img