Add toolbar button

closes GH-3

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

readability/__init__.py

@@ -2,18 +2,22 @@ import Falkon
 import os
 from PySide2 import QtCore, QtGui
 from readability.settingsDialog import SettingsDialog
+from readability.button import Button
 
 
 class Readability(Falkon.PluginInterface, QtCore.QObject):
-    view = None
     config = None
+    view = None
+    buttons = None
 
     def init(self, state, settingsPath):
         self.config = {
             "settingsFile": os.path.join(settingsPath, "readability", "settings.ini"),
             "icon": "dark"
         }
+        self.buttons = {}
         self.loadSettings()
+        self.onConfigUpdate()
 
         plugins = Falkon.MainApplication.instance().plugins()
 
@@ -32,10 +36,15 @@ class Readability(Falkon.PluginInterface, QtCore.QObject):
         return True
 
     def onMainWindowCreated(self, window):
-        pass
+        button = Button(self.config["icon"])
+        button.clicked.connect(lambda: self.makeReadability(button.webView()))
+
+        window.navigationBar().addToolButton(button)
+        self.buttons[window] = button
 
     def onMainWindowDeleted(self, window):
-        pass
+        if window in self.buttons:
+            del self.buttons[window]
 
     def populateWebViewMenu(self, menu, view, hitTestResult):
         self.view = view
@@ -52,7 +61,10 @@ class Readability(Falkon.PluginInterface, QtCore.QObject):
                 self.makeReadability
             )
 
-    def makeReadability(self):
+    def makeReadability(self, view=None):
+        if view:
+            self.view = view
+
         dataDir = os.path.join(os.path.dirname(__file__), "data")
 
         iconClose = Falkon.QzTools.pixmapToDataUrl(
@@ -106,6 +118,7 @@ class Readability(Falkon.PluginInterface, QtCore.QObject):
     def showSettings(self, parent):
         settings = SettingsDialog(self.config, parent)
         settings.accepted.connect(self.saveSettings)
+        settings.accepted.connect(self.onConfigUpdate)
         settings.exec_()
 
     def saveSettings(self):
@@ -124,5 +137,9 @@ class Readability(Falkon.PluginInterface, QtCore.QObject):
         self.config["icon"] = str(settings.value("icon", self.config["icon"]))
         settings.endGroup()
 
+    def onConfigUpdate(self):
+        for _, button in self.buttons.items():
+            button.updateIcon(self.config["icon"])
+
 
 Falkon.registerPlugin(Readability())

readability/button.py

@@ -0,0 +1,48 @@
+# Readability - plugin for Falkon
+# Copyright (C) 2019  Juraj Oravec <jurajoravec@netc.it>
+#
+# 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
+import os
+from PySide2 import QtGui
+
+
+class Button(Falkon.AbstractButtonInterface):
+    def __init__(self, iconStyle):
+        super().__init__()
+
+        icon = "icon-light.png" if iconStyle == "light" else "icon-dark.png"
+        self.setIcon(QtGui.QIcon(
+            os.path.join(os.path.dirname(__file__), "data", icon))
+        )
+        self.setTitle("Button")
+        self.setToolTip("Activate Readability")
+
+        self.clicked.connect(self.onClicked)
+
+    def id(self):
+        return "readability-button"
+
+    def name(self):
+        return "Readability"
+
+    def onClicked(self, controller):
+        pass
+
+    def updateIcon(self, iconStyle):
+        icon = "icon-light.png" if iconStyle == "light" else "icon-dark.png"
+        self.setIcon(QtGui.QIcon(
+            os.path.join(os.path.dirname(__file__), "data", icon))
+        )