Add minimal prototype

Signed-off-by: Juraj Oravec <sgd.orava@gmail.com>

unloader/__init__.py

@@ -1,3 +1,4 @@
+"""
 # ============================================================
 # Unloader - plugin for Falkon
 # Copyright (C) 2019 Juraj Oravec <sgd.orava@gmail.com>
@@ -15,17 +16,31 @@
 # 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 Falkon
 from PySide2 import QtCore
+from unloader.manager import UnloaderManager
 
 
 class UnloaderPlugin(Falkon.PluginInterface, QtCore.QObject):
+    manager = None
+
     def init(self, state, settingsPath):
-        pass
+        self.manager = UnloaderManager(settingsPath)
+
+        plugins = Falkon.MainApplication.instance().plugins()
+
+        plugins.mainWindowCreated.connect(self.manager.onMainWindowCreated)
+        plugins.mainWindowDeleted.connect(self.manager.onMainWindowDeleted)
+
+        if state == Falkon.PluginInterface.LateInitState:
+            for window in Falkon.MainApplication.instance().windows():
+                self.manager.onMainWindowCreated(window)
 
     def unload(self):
-        pass
+        if self.manager:
+            del self.manager
+            self.manager = None
 
     def testPlugin(self):
         return True

unloader/manager.py

@@ -0,0 +1,96 @@
+"""
+# ============================================================
+# Unloader - plugin for Falkon
+# Copyright (C) 2019 Juraj Oravec <sgd.orava@gmail.com>
+#
+# 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 Falkon
+from PySide2 import QtCore
+
+from pprint import pprint
+
+
+class UnloaderManager(QtCore.QObject):
+    tabs = None
+    timer = None
+    threshold = None
+
+    def __init__(self, settingsPath, parent=None):
+        super().__init__(parent)
+
+        self.tabs = {}
+        self.threshold = 15
+
+        self.timer = QtCore.QTimer(self)
+        self.timer.setTimerType(QtCore.Qt.VeryCoarseTimer)
+        self.timer.setInterval(5000)
+
+        self.timer.timeout.connect(self.onTimeout)
+
+        self.timer.start()
+
+    def onMainWindowCreated(self, window):
+        tabs = window.tabWidget().allTabs()
+
+        for tab in tabs:
+            self.tabs[tab] = 0
+
+        def onCurrentTabChanged(index):
+            tab = window.tabWidget().webTab(index)
+            self.tabs[tab] = 0
+
+        window.tabWidget().currentChanged.connect(onCurrentTabChanged)
+        window.tabWidget().tabInserted.connect(onCurrentTabChanged)
+        window.tabWidget().tabRemoved.connect(self.onTabRemoved)
+
+    def onMainWindowDeleted(self, window):
+        tabs = window.tabWidget().allTabs()
+
+        for tab in tabs:
+            if tab in self.tabs:
+                del self.tabs[tab]
+
+    def onTabRemoved(self, index):
+        self.refreshTabList()
+
+    def onTimeout(self):
+        if not self.tabs:
+            return
+
+        for tab, time in self.tabs.items():
+            if tab.isCurrentTab():
+                continue
+            if not tab.isRestored():
+                self.tabs[tab] = 0
+                continue
+
+            self.tabs[tab] = time + int(self.timer.interval() / 1000)
+
+            if self.threshold:
+                if self.tabs[tab] > self.threshold and tab.isRestored():
+                    self.tabs[tab] = 0
+                    tab.unload()
+
+    def refreshTabList(self):
+        oldTabs = self.tabs.copy()
+        self.tabs.clear()
+
+        for window in Falkon.MainApplication.instance().windows():
+            winTabs = window.tabWidget().allTabs()
+
+            for tab in winTabs:
+                self.tabs[tab] = oldTabs.get(tab, 0)