simplify gui names

[electrum-nvc.git] / gui / qt / version_getter.py

diff --git a/gui/qt/version_getter.py b/gui/qt/version_getter.py
new file mode 100644 (file)
index 0000000..07655fd
--- /dev/null
+++ b/gui/qt/version_getter.py
@@ -0,0 +1,120 @@
+#!/usr/bin/env python
+#
+# Electrum - lightweight Bitcoin client
+# Copyright (C) 2012 thomasv@gitorious
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+import threading, httplib, re, socket
+import webbrowser
+from PyQt4.QtGui import *
+from PyQt4.QtCore import *
+import PyQt4.QtCore as QtCore
+
+from electrum.i18n import _
+from electrum import ELECTRUM_VERSION, print_error
+
+class VersionGetter(threading.Thread):
+
+    def __init__(self, label):
+        threading.Thread.__init__(self)
+        self.label = label
+        
+    def run(self):
+        try:
+            con = httplib.HTTPConnection('electrum.org', 80, timeout=5)
+            con.request("GET", "/version")
+            res = con.getresponse()
+        except socket.error as msg:
+            print_error("Could not retrieve version information")
+            return
+            
+        if res.status == 200:
+            latest_version = res.read()
+            latest_version = latest_version.replace("\n","")
+            if(re.match('^\d+(\.\d+)*$', latest_version)):
+                self.label.callback(latest_version)
+
+class UpdateLabel(QLabel):
+    def __init__(self, config, sb):
+        QLabel.__init__(self)
+        self.new_version = False
+        self.sb = sb
+        self.config = config
+        self.current_version = ELECTRUM_VERSION
+        self.connect(self, QtCore.SIGNAL('new_electrum_version'), self.new_electrum_version)
+        VersionGetter(self).start()
+
+    def callback(self, version):
+        self.latest_version = version
+        if(self.compare_versions(self.latest_version, self.current_version) == 1):
+            latest_seen = self.config.get("last_seen_version",ELECTRUM_VERSION)
+            if(self.compare_versions(self.latest_version, latest_seen) == 1):
+                self.new_version = True
+                self.emit(QtCore.SIGNAL('new_electrum_version'))
+
+    def new_electrum_version(self):
+        if self.new_version:
+            self.setText(_("New version available") + ": " + self.latest_version)
+            self.sb.insertPermanentWidget(1, self)
+
+    def compare_versions(self, version1, version2):
+        def normalize(v):
+            return [int(x) for x in re.sub(r'(\.0+)*$','', v).split(".")]
+        return cmp(normalize(version1), normalize(version2))
+
+    def ignore_this_version(self):
+        self.setText("")
+        self.config.set_key("last_seen_version", self.latest_version, True)
+        QMessageBox.information(self, _("Preference saved"), _("Notifications about this update will not be shown again."))
+        self.dialog.done(0)
+
+    def ignore_all_version(self):
+        self.setText("")
+        self.config.set_key("last_seen_version", "9.9.9", True)
+        QMessageBox.information(self, _("Preference saved"), _("No more notifications about version updates will be shown."))
+        self.dialog.done(0)
+  
+    def open_website(self):
+        webbrowser.open("http://electrum.org/download.html")
+        self.dialog.done(0)
+
+    def mouseReleaseEvent(self, event):
+        dialog = QDialog(self)
+        dialog.setWindowTitle(_('Electrum update'))
+        dialog.setModal(1)
+
+        main_layout = QGridLayout()
+        main_layout.addWidget(QLabel(_("A new version of Electrum is available:")+" " + self.latest_version), 0,0,1,3)
+        
+        ignore_version = QPushButton(_("Ignore this version"))
+        ignore_version.clicked.connect(self.ignore_this_version)
+
+        ignore_all_versions = QPushButton(_("Ignore all versions"))
+        ignore_all_versions.clicked.connect(self.ignore_all_version)
+
+        open_website = QPushButton(_("Goto download page"))
+        open_website.clicked.connect(self.open_website)
+
+        main_layout.addWidget(ignore_version, 1, 0)
+        main_layout.addWidget(ignore_all_versions, 1, 1)
+        main_layout.addWidget(open_website, 1, 2)
+
+        dialog.setLayout(main_layout)
+
+        self.dialog = dialog
+        
+        if not dialog.exec_(): return
+
+