[orca] Add initial support for Smuxi (gnome frontend)

[Joanmarie Diggs <joanied src gnome org>]

commit 40860bd844d68482be46dcfefe5856bf7c381a0a
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Sat Sep 29 12:44:59 2018 -0400

    Add initial support for Smuxi (gnome frontend)

 configure.ac                                       |  1 +
 src/orca/scripts/apps/Makefile.am                  |  1 +
 src/orca/scripts/apps/__init__.py                  |  1 +
 .../scripts/apps/smuxi-frontend-gnome/Makefile.am  |  6 ++
 .../scripts/apps/smuxi-frontend-gnome/__init__.py  | 20 ++++++
 src/orca/scripts/apps/smuxi-frontend-gnome/chat.py | 49 +++++++++++++
 .../scripts/apps/smuxi-frontend-gnome/script.py    | 82 ++++++++++++++++++++++
 7 files changed, 160 insertions(+)
---
diff --git a/configure.ac b/configure.ac
index 79d7e1930..3e2d04da0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -116,6 +116,7 @@ src/orca/scripts/apps/pidgin/Makefile
 src/orca/scripts/apps/rhythmbox/Makefile
 src/orca/scripts/apps/soffice/Makefile
 src/orca/scripts/apps/SeaMonkey/Makefile
+src/orca/scripts/apps/smuxi-frontend-gnome/Makefile
 src/orca/scripts/apps/Thunderbird/Makefile
 src/orca/scripts/apps/xfwm4/Makefile
 src/orca/scripts/terminal/Makefile
diff --git a/src/orca/scripts/apps/Makefile.am b/src/orca/scripts/apps/Makefile.am
index 5101d4b6e..787bf0e96 100644
--- a/src/orca/scripts/apps/Makefile.am
+++ b/src/orca/scripts/apps/Makefile.am
@@ -26,6 +26,7 @@ SUBDIRS = \
        rhythmbox \
        soffice \
        SeaMonkey \
+       smuxi-frontend-gnome \
        Thunderbird \
        xfwm4
 
diff --git a/src/orca/scripts/apps/__init__.py b/src/orca/scripts/apps/__init__.py
index 95ecd9858..c0ef25cb6 100644
--- a/src/orca/scripts/apps/__init__.py
+++ b/src/orca/scripts/apps/__init__.py
@@ -28,5 +28,6 @@ __all__ = ['Banshee',
            'rhythmbox',
            'soffice',
            'SeaMonkey',
+           'smuxi-frontend-gnome',
            'Thunderbird',
            'xfwm4']
diff --git a/src/orca/scripts/apps/smuxi-frontend-gnome/Makefile.am 
b/src/orca/scripts/apps/smuxi-frontend-gnome/Makefile.am
new file mode 100644
index 000000000..9bc84d75c
--- /dev/null
+++ b/src/orca/scripts/apps/smuxi-frontend-gnome/Makefile.am
@@ -0,0 +1,6 @@
+orca_python_PYTHON = \
+       __init__.py \
+       chat.py \
+       script.py
+
+orca_pythondir=$(pkgpythondir)/scripts/apps/smuxi-frontend-gnome
diff --git a/src/orca/scripts/apps/smuxi-frontend-gnome/__init__.py 
b/src/orca/scripts/apps/smuxi-frontend-gnome/__init__.py
new file mode 100644
index 000000000..64560daa9
--- /dev/null
+++ b/src/orca/scripts/apps/smuxi-frontend-gnome/__init__.py
@@ -0,0 +1,20 @@
+# Orca
+#
+# Copyright 2018 Igalia, S.L.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., Franklin Street, Fifth Floor,
+# Boston MA  02110-1301 USA.
+
+from .script import Script
diff --git a/src/orca/scripts/apps/smuxi-frontend-gnome/chat.py 
b/src/orca/scripts/apps/smuxi-frontend-gnome/chat.py
new file mode 100644
index 000000000..18ac1038c
--- /dev/null
+++ b/src/orca/scripts/apps/smuxi-frontend-gnome/chat.py
@@ -0,0 +1,49 @@
+# Orca
+#
+# Copyright 2018 Igalia, S.L.
+#
+# Author: Joanmarie Diggs <jdiggs igalia com>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., Franklin Street, Fifth Floor,
+# Boston MA  02110-1301 USA.
+
+"""Custom chat module for Smuxi."""
+
+__id__        = "$Id$"
+__version__   = "$Revision$"
+__date__      = "$Date$"
+__copyright__ = "Copyright (c) 2018 Igalia, S.L."
+__license__   = "LGPL"
+
+import pyatspi
+
+import orca.chat as chat
+
+
+class Chat(chat.Chat):
+
+    def __init__(self, script, buddyListAncestries):
+
+        super().__init__(script, buddyListAncestries)
+
+    def isFocusedChat(self, obj):
+        """Returns True if we plan to treat this chat as focused."""
+
+        isPageTab = lambda x: x and x.getRole() == pyatspi.ROLE_PAGE_TAB
+        pageTab = pyatspi.findAncestor(obj, isPageTab)
+        if pageTab is None:
+            return super().isFocusedChat(obj)
+
+        return pageTab.getState().contains(pyatspi.STATE_SHOWING)
diff --git a/src/orca/scripts/apps/smuxi-frontend-gnome/script.py 
b/src/orca/scripts/apps/smuxi-frontend-gnome/script.py
new file mode 100644
index 000000000..dbc235731
--- /dev/null
+++ b/src/orca/scripts/apps/smuxi-frontend-gnome/script.py
@@ -0,0 +1,82 @@
+# Orca
+#
+# Copyright 2018 Igalia, S.L.
+#
+# Author: Joanmarie Diggs <jdiggs igalia com>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., Franklin Street, Fifth Floor,
+# Boston MA  02110-1301 USA.
+
+"""Custom script for Smuxi."""
+
+__id__        = "$Id$"
+__version__   = "$Revision$"
+__date__      = "$Date$"
+__copyright__ = "Copyright (c) 2018 Igalia, S.L."
+__license__   = "LGPL"
+
+import pyatspi
+
+import orca.scripts.toolkits.GAIL as GAIL
+from .chat import Chat
+
+class Script(GAIL.Script):
+
+    def __init__(self, app):
+        """Creates a new script for the given application."""
+
+        # So we can take an educated guess at identifying the buddy list.
+        self._buddyListAncestries = [[pyatspi.ROLE_TREE_TABLE,
+                                      pyatspi.ROLE_SCROLL_PANE,
+                                      pyatspi.ROLE_SPLIT_PANE,
+                                      pyatspi.ROLE_SPLIT_PANE,
+                                      pyatspi.ROLE_FILLER,
+                                      pyatspi.ROLE_FRAME]]
+
+        super().__init__(app)
+
+    def getChat(self):
+        """Returns the 'chat' class for this script."""
+
+        return Chat(self, self._buddyListAncestries)
+
+    def setupInputEventHandlers(self):
+        """Defines InputEventHandler fields for this script."""
+
+        super().setupInputEventHandlers()
+        self.inputEventHandlers.update(self.chat.inputEventHandlers)
+
+    def getAppKeyBindings(self):
+        """Returns the application-specific keybindings for this script."""
+
+        return self.chat.keyBindings
+
+    def getAppPreferencesGUI(self):
+        """Return a GtkGrid containing the application unique configuration."""
+
+        return self.chat.getAppPreferencesGUI()
+
+    def getPreferencesFromGUI(self):
+        """Returns a dictionary with the app-specific preferences."""
+
+        return self.chat.getPreferencesFromGUI()
+
+    def onTextInserted(self, event):
+        """Called whenever text is added to an object."""
+
+        if self.chat.presentInsertedText(event):
+            return
+
+        super().onTextInserted(event)