[36] | 1 | # The GUI part of the update
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| 2 |
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| 3 | #-------------------------------------------------------------------------------
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| 4 |
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| 5 | from mlx.gui.common import *
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| 6 |
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[38] | 7 | from mlx.update import update
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[36] | 8 |
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| 9 | import mlx.const as const
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| 10 |
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| 11 | import threading
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| 12 | import os
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| 13 | import sys
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| 14 |
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| 15 | #-------------------------------------------------------------------------------
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| 16 |
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| 17 | class Updater(threading.Thread):
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| 18 | """The updater thread."""
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| 19 |
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| 20 | # The removal or renaming of one file equals to the downloading of this
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| 21 | # many bytes in time (for the progress calculation)
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| 22 | REMOVE2BYTES = 100
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| 23 |
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| 24 | _progressWindow = None
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| 25 |
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| 26 | _progressLabel = None
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| 27 |
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| 28 | _progressBar = None
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| 29 |
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| 30 | _progressOKButton = None
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| 31 |
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| 32 | _sudoDialog = None
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| 33 |
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| 34 | @staticmethod
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| 35 | def _createGUI(parentWindow):
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| 36 | """Create the GUI elements, if needed."""
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| 37 | if Updater._progressWindow is not None:
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| 38 | return
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| 39 |
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| 40 | Updater._progressWindow = window = gtk.Window()
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| 41 | window.set_title("MAVA Logger X " + const.VERSION + " Update")
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| 42 | window.set_transient_for(parentWindow)
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| 43 | #win.set_icon_from_file(os.path.join(iconDirectory, "logo.ico"))
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| 44 | window.set_size_request(400, -1)
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| 45 | window.set_resizable(False)
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| 46 | window.set_modal(True)
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| 47 | window.connect("delete-event", lambda a, b: True)
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| 48 | window.set_deletable(False)
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| 49 | window.set_position(gtk.WindowPosition.CENTER_ON_PARENT if pygobject
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| 50 | else gtk.WIN_POS_CENTER_ON_PARENT)
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| 51 |
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| 52 | mainAlignment = gtk.Alignment(xscale = 1.0)
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| 53 | mainAlignment.set_padding(padding_top = 4, padding_bottom = 10,
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| 54 | padding_left = 16, padding_right = 16)
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| 55 | window.add(mainAlignment)
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| 56 |
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| 57 | mainVBox = gtk.VBox()
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| 58 | mainAlignment.add(mainVBox)
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| 59 |
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| 60 | labelAlignment = gtk.Alignment(xalign = 0.0, xscale = 0.0)
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| 61 | Updater._progressLabel = progressLabel = gtk.Label()
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| 62 | labelAlignment.add(progressLabel)
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| 63 | mainVBox.pack_start(labelAlignment, True, True, 4)
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| 64 |
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| 65 | Updater._progressBar = progressBar = gtk.ProgressBar()
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| 66 | mainVBox.pack_start(progressBar, True, True, 4)
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| 67 |
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| 68 | buttonAlignment = gtk.Alignment(xalign = 0.5, xscale = 0.1)
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| 69 | Updater._progressOKButton = progressOKButton = gtk.Button("OK")
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| 70 | buttonAlignment.add(progressOKButton)
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| 71 | mainVBox.pack_start(buttonAlignment, True, True, 4)
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| 72 |
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| 73 | Updater._sudoDialog = sudoDialog = \
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| 74 | gtk.Dialog("MAVA Logger X " + const.VERSION + " Update",
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| 75 | parentWindow,
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| 76 | gtk.DialogFlags.MODAL if pygobject else gtk.DIALOG_MODAL,
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| 77 | (gtk.STOCK_CANCEL, 0,
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| 78 | gtk.STOCK_OK, 1))
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| 79 |
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| 80 | infoLabelAlignment = gtk.Alignment(xalign = 0.5, xscale = 0.1)
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| 81 | infoLabelAlignment.set_padding(padding_top = 4, padding_bottom = 10,
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| 82 | padding_left = 16, padding_right = 16)
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| 83 |
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| 84 | infoLabel = gtk.Label("There is an update available, but the program cannot write\n"
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| 85 | "its directory due to insufficient privileges.\n\n"
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| 86 | "Click OK, if you want to run a helper program\n"
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| 87 | "with administrator privileges "
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| 88 | "to complete the update,\n"
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| 89 | "Cancel otherwise.")
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| 90 | infoLabel.set_justify(gtk.Justification.CENTER if pygobject
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| 91 | else gtk.JUSTIFY_CENTER)
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| 92 | infoLabelAlignment.add(infoLabel)
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| 93 | sudoDialog.vbox.pack_start(infoLabelAlignment, True, True, 4)
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| 94 |
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| 95 | sudoDialog.set_position(gtk.WindowPosition.CENTER_ON_PARENT if pygobject
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| 96 | else gtk.WIN_POS_CENTER_ON_PARENT)
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| 97 |
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[38] | 98 | def __init__(self, gui, programDirectory, updateURL, parentWindow):
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[36] | 99 | """Construct the updater. If not created yet, the windows used by the
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| 100 | updater are also created."""
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| 101 | super(Updater, self).__init__()
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[38] | 102 |
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| 103 | self._gui = gui
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[36] | 104 |
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| 105 | self._programDirectory = programDirectory
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| 106 | self._updateURL = updateURL
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| 107 |
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| 108 | self._totalProgress = 0
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| 109 | self._waitAfterFinish = False
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| 110 | self._restart = False
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| 111 |
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| 112 | self._sudoReply = None
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| 113 | self._sudoCondition = threading.Condition()
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| 114 |
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| 115 | Updater._createGUI(parentWindow)
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| 116 |
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| 117 | def run(self):
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| 118 | """Execute the thread's operation."""
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| 119 | gobject.idle_add(self._startUpdate)
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| 120 | update(self._programDirectory, self._updateURL, self, fromGUI = True)
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| 121 | if not self._waitAfterFinish:
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| 122 | gobject.idle_add(self._progressWindow.hide)
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| 123 |
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| 124 | def downloadingManifest(self):
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| 125 | """Called when the downloading of the manifest has started."""
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| 126 | gobject.idle_add(self._downloadingManifest)
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| 127 |
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| 128 | def _downloadingManifest(self):
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| 129 | """Called when the downloading of the manifest has started."""
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| 130 | self._progressLabel.set_text("Downloading manifest...")
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| 131 | self._progressBar.set_fraction(0)
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| 132 |
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| 133 | def downloadedManifest(self):
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| 134 | """Called when the downloading of the manifest has finished."""
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| 135 | gobject.idle_add(self._downloadedManifest)
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| 136 |
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| 137 | def _downloadedManifest(self):
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| 138 | """Called when the downloading of the manifest has finished."""
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| 139 | self._progressLabel.set_text("Downloaded manifest...")
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| 140 | self._progressBar.set_fraction(0.05)
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| 141 |
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| 142 | def needSudo(self):
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| 143 | """Called when the program is interested in whether we want to run a
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| 144 | program with administrator rights to do the update."""
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| 145 | gobject.idle_add(self._needSudo)
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| 146 | with self._sudoCondition:
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| 147 | while self._sudoReply is None:
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| 148 | self._sudoCondition.wait(1)
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| 149 | return self._sudoReply
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| 150 |
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| 151 | def _needSudo(self):
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| 152 | """Called when the program is interested in whether we want to run a
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| 153 | program with administrator rights to do the update."""
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| 154 | self._sudoDialog.show_all()
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| 155 | result = self._sudoDialog.run()
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| 156 | self._sudoDialog.hide()
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| 157 | with self._sudoCondition:
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| 158 | self._sudoReply = result!=0
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| 159 | self._sudoCondition.notify()
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| 160 |
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[37] | 161 | def setTotalSize(self, numToModifyAndNew, totalSize, numToRemove,
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| 162 | numToRemoveLocal):
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[36] | 163 | """Called when the downloading of the files has started."""
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| 164 | self._numToModifyAndNew = numToModifyAndNew
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| 165 | self._numModifiedOrNew = 0
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| 166 | self._totalSize = totalSize
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| 167 | self._downloaded = 0
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| 168 | self._numToRemove = numToRemove
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[37] | 169 | self._numToRemoveLocal = numToRemoveLocal
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[36] | 170 | self._numRemoved = 0
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| 171 |
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| 172 | self._totalProgress = self._totalSize + \
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[37] | 173 | (self._numToModifyAndNew + \
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| 174 | self._numToRemove + self._numToRemoveLocal) * \
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[36] | 175 | Updater.REMOVE2BYTES
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[37] | 176 | self._waitAfterFinish = self._totalSize > 0 or self._numToRemove > 0
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[36] | 177 |
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| 178 | def _startDownload(self):
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| 179 | """Called when the download has started."""
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| 180 | self._progressLabel.set_text("Downloading files...")
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| 181 |
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| 182 | def setDownloaded(self, downloaded):
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| 183 | """Called when a certain number of bytes are downloaded."""
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| 184 | self._downloaded = downloaded
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| 185 | gobject.idle_add(self._setDownloaded, downloaded)
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| 186 |
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| 187 | def _setDownloaded(self, downloaded):
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| 188 | """Called when a certain number of bytes are downloaded."""
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| 189 | self._progressLabel.set_text("Downloaded %d of %d" % \
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| 190 | (downloaded, self._totalSize))
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| 191 | self._setProgress()
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| 192 |
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| 193 | def startRenaming(self):
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| 194 | """Called when the renaming of files has started."""
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| 195 | gobject.idle_add(self._startRenaming)
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| 196 |
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| 197 | def _startRenaming(self):
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| 198 | """Called when the renaming of files has started."""
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| 199 | self._progressLabel.set_text("Renaming downloaded files...")
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| 200 |
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| 201 | def renamed(self, path, count):
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| 202 | """Called when a file has been renamed."""
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| 203 | self._numModifiedOrNew = count
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| 204 | gobject.idle_add(self._renamed, path, count)
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| 205 |
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| 206 | def _renamed(self, path, count):
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| 207 | """Called when a file has been renamed."""
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| 208 | self._progressLabel.set_text("Renamed %s" % (path,))
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| 209 | self._setProgress()
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| 210 |
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| 211 | def startRemoving(self):
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| 212 | """Called when the removing of files has started."""
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| 213 | gobject.idle_add(self._startRemoving)
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| 214 |
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| 215 | def _startRemoving(self):
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| 216 | """Called when the removing of files has started."""
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| 217 | self._progressLabel.set_text("Removing files...")
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| 218 |
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| 219 | def removed(self, path, count):
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| 220 | """Called when a file has been removed."""
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| 221 | self._numRemoved = count
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| 222 | gobject.idle_add(self._removed, path, count)
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| 223 |
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| 224 | def _removed(self, path, count):
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| 225 | """Called when a file has been removed."""
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| 226 | self._progressLabel.set_text("Removed %s" % (path,))
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| 227 | self._setProgress()
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| 228 |
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| 229 | def writingManifest(self):
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| 230 | """Called when the writing of the new manifest file has started."""
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| 231 | gobject.idle_add(self._writingManifest)
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| 232 |
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| 233 | def _writingManifest(self):
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| 234 | """Called when the writing of the new manifest file has started."""
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| 235 | self._progressLabel.set_text("Writing the new manifest")
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| 236 |
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| 237 | def done(self):
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| 238 | """Called when the update has been done."""
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| 239 | gobject.idle_add(self._done)
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[37] | 240 | self._restart = self._waitAfterFinish
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[36] | 241 |
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| 242 | def _done(self):
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| 243 | """Called when the writing of the new manifest file has started."""
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| 244 | self._progressBar.set_fraction(1)
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| 245 | if self._totalProgress>0:
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| 246 | self._progressLabel.set_text("Finished updating. Press OK to restart the program.")
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| 247 | self._progressOKButton.set_sensitive(True)
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| 248 | else:
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| 249 | self._progressLabel.set_text("There was nothing to update")
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| 250 |
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| 251 | def _setProgress(self):
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| 252 | """Set the progress bar based on the current stage."""
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| 253 | if self._totalProgress>0:
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| 254 | progress = self._downloaded + \
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| 255 | (self._numModifiedOrNew + self._numRemoved) * \
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| 256 | Updater.REMOVE2BYTES
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| 257 | self._progressBar.set_fraction(0.05 + 0.94 * progress / self._totalProgress)
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| 258 |
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| 259 | def failed(self, what):
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| 260 | """Called when the downloading has failed."""
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| 261 | self._waitAfterFinish = True
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| 262 | gobject.idle_add(self._failed, what)
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| 263 |
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| 264 | def _failed(self, what):
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| 265 | """Called when the downloading has failed."""
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| 266 | self._progressLabel.set_text("Failed, see the debug log for details.")
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| 267 | self._progressBar.set_fraction(1)
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| 268 | self._progressOKButton.set_sensitive(True)
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| 269 |
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| 270 | def _startUpdate(self):
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| 271 | """Start the update.
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| 272 |
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| 273 | It resets the GUI elements."""
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| 274 | self._progressLabel.set_text("")
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| 275 | self._progressBar.set_fraction(0)
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| 276 | self._progressWindow.show_all()
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| 277 | self._progressOKButton.set_sensitive(False)
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| 278 | self._progressOKButton.connect("clicked", self._progressOKClicked)
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| 279 |
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| 280 | def _progressOKClicked(self, button):
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| 281 | """Called when the OK button on the progress window is clicked."""
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| 282 | self._progressWindow.hide()
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| 283 | if self._restart:
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[38] | 284 | self._gui.restart()
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[36] | 285 |
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| 286 | #-------------------------------------------------------------------------------
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