[orca] Fix for bgo#590382 - Orca should have a script for packagemanager

commit 2df3f4d9dee7a82e139edcdbd46606afb6991991
Author: Joanmarie Diggs <joanmarie.diggs@xxxxxxxxx>
Date:   Fri Jul 31 16:34:34 2009 -0400

    Fix for bgo#590382 - Orca should have a script for packagemanager

 configure.in                                       |    1 +
 po/POTFILES.in                                     |    2 +
 src/orca/scripts/apps/Makefile.am                  |    1 +
 src/orca/scripts/apps/packagemanager/Makefile.am   |    8 +
 src/orca/scripts/apps/packagemanager/__init__.py   |   23 +++
 src/orca/scripts/apps/packagemanager/script.py     |  156 ++++++++++++++++++++
 .../apps/packagemanager/tutorialgenerator.py       |   66 ++++++++
 src/orca/scripts/toolkits/Gecko/script.py          |    9 +-
 8 files changed, 263 insertions(+), 3 deletions(-)
---
diff --git a/configure.in b/configure.in
index 9c1e34a..6ee0c1b 100644
--- a/configure.in
+++ b/configure.in
@@ -139,6 +139,7 @@ src/orca/scripts/apps/Makefile
 src/orca/scripts/apps/soffice/Makefile
 src/orca/scripts/apps/evolution/Makefile
 src/orca/scripts/apps/gcalctool/Makefile
+src/orca/scripts/apps/packagemanager/Makefile
 src/orca/scripts/apps/pidgin/Makefile
 src/orca/scripts/apps/planner/Makefile
 src/orca/scripts/apps/rhythmbox/Makefile
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 08af188..7b5e288 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -44,6 +44,8 @@ src/orca/scripts/apps/metacity.py
 src/orca/scripts/apps/nautilus.py
 src/orca/scripts/apps/notification-daemon.py
 src/orca/scripts/apps/notify-osd.py
+src/orca/scripts/apps/packagemanager/script.py
+src/orca/scripts/apps/packagemanager/tutorialgenerator.py
 src/orca/scripts/apps/pidgin/script.py
 src/orca/scripts/apps/planner/braille_generator.py
 src/orca/scripts/apps/planner/speech_generator.py
diff --git a/src/orca/scripts/apps/Makefile.am 
b/src/orca/scripts/apps/Makefile.am
index a4c6537..9fe2e7e 100644
--- a/src/orca/scripts/apps/Makefile.am
+++ b/src/orca/scripts/apps/Makefile.am
@@ -2,6 +2,7 @@ SUBDIRS = \
        soffice \
        evolution \
        gcalctool \
+       packagemanager \
        pidgin \
        planner \
        rhythmbox \
diff --git a/src/orca/scripts/apps/packagemanager/Makefile.am 
b/src/orca/scripts/apps/packagemanager/Makefile.am
new file mode 100644
index 0000000..4da7e38
--- /dev/null
+++ b/src/orca/scripts/apps/packagemanager/Makefile.am
@@ -0,0 +1,8 @@
+orca_pathdir=$(pyexecdir)
+
+orca_python_PYTHON = \
+    __init__.py \
+    script.py \
+    tutorialgenerator.py
+
+orca_pythondir=$(pyexecdir)/orca/scripts/apps/packagemanager
\ No newline at end of file
diff --git a/src/orca/scripts/apps/packagemanager/__init__.py 
b/src/orca/scripts/apps/packagemanager/__init__.py
new file mode 100644
index 0000000..eca2ae7
--- /dev/null
+++ b/src/orca/scripts/apps/packagemanager/__init__.py
@@ -0,0 +1,23 @@
+# Orca
+#
+# Copyright 2005-2009 Sun Microsystems Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public
+# License as published by the Free Software Foundation; either
+# version 2 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
+# Library General Public License for more details.
+#
+# You should have received a copy of the GNU Library 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 Packagemanager."""
+
+from script import Script
+
diff --git a/src/orca/scripts/apps/packagemanager/script.py 
b/src/orca/scripts/apps/packagemanager/script.py
new file mode 100644
index 0000000..3ca4d96
--- /dev/null
+++ b/src/orca/scripts/apps/packagemanager/script.py
@@ -0,0 +1,156 @@
+# Orca
+#
+# Copyright 2005-2009 Sun Microsystems Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public
+# License as published by the Free Software Foundation; either
+# version 2 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
+# Library General Public License for more details.
+#
+# You should have received a copy of the GNU Library 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 Packagemanager."""
+
+__id__        = "$Id$"
+__version__   = "$Revision$"
+__date__      = "$Date$"
+__copyright__ = "Copyright (c) 2005-2009 Sun Microsystems Inc."
+__license__   = "LGPL"
+
+import pyatspi
+
+import orca.default as default
+import orca.orca_state as orca_state
+import orca.speech as speech
+
+from orca.orca_i18n import _
+
+from tutorialgenerator import TutorialGenerator
+
+########################################################################
+#                                                                      #
+# The Packagemanager script class.                                     #
+#                                                                      #
+########################################################################
+
+class Script(default.Script):
+
+    def __init__(self, app):
+        """Creates a new script for the given application.
+
+        Arguments:
+        - app: the application to create a script for.
+        """
+
+        default.Script.__init__(self, app)
+        self._isBusy = False
+
+    def getListeners(self):
+        """Sets up the AT-SPI event listeners for this script."""
+
+        listeners = default.Script.getListeners(self)
+        listeners["object:state-changed:busy"] = self.onStateChanged
+
+        return listeners
+
+    def getTutorialGenerator(self):
+        """Returns the tutorial generator for this script."""
+
+        return TutorialGenerator(self)
+
+    def onStateChanged(self, event):
+        """Called whenever an object's state changes.
+
+        Arguments:
+        - event: the Event
+        """
+
+        # TODO - JD: This might be a good candidate for a braille "flash
+        # message."
+        #
+        if event.source.getRole() == pyatspi.ROLE_FRAME \
+           and event.type.startswith("object:state-changed:busy"):
+            # The busy cursor gets set/unset frequently. It's only worth
+            # presenting if we're in the Search entry (handles both search
+            # and catalog refreshes).
+            #
+            if not self.isSearchEntry(orca_state.locusOfFocus):
+                return
+
+            if event.detail1 == 1 and not self._isBusy:
+                # Translators: this is in reference to loading a web page
+                # or some other content.
+                #
+                speech.speak(_("Loading.  Please wait."))
+                self._isBusy = True
+            elif event.detail1 == 0 and self._isBusy:
+                # Translators: this is in reference to loading a web page
+                # or some other content.
+                #
+                speech.speak(_("Finished loading."))
+                self._isBusy = False
+            return
+
+        default.Script.onStateChanged(self, event)
+
+    def findStatusBar(self, obj):
+        """Returns the status bar in the window which contains obj.
+        Overridden here because Packagemanager seems to have multiple
+        status bars which claim to be SHOWING and VISIBLE. The one we
+        want should be displaying text, whereas the others are not.
+        """
+
+        # There are some objects which are not worth descending.
+        #
+        skipRoles = [pyatspi.ROLE_TREE,
+                     pyatspi.ROLE_TREE_TABLE,
+                     pyatspi.ROLE_TABLE]
+
+        if obj.getState().contains(pyatspi.STATE_MANAGES_DESCENDANTS) \
+           or obj.getRole() in skipRoles:
+            return
+
+        statusBar = None
+        for i in range(obj.childCount - 1, -1, -1):
+            if obj[i].getRole() == pyatspi.ROLE_STATUS_BAR:
+                statusBar = obj[i]
+            elif not obj[i] in skipRoles:
+                statusBar = self.findStatusBar(obj[i])
+
+            if statusBar:
+                try:
+                    text = statusBar.queryText()
+                except:
+                    pass
+                else:
+                    if text.characterCount:
+                        break
+
+        return statusBar
+
+    def isSearchEntry(self, obj):
+        """Attempts to distinguish the Search entry from other accessibles.
+
+        Arguments:
+        -obj: the accessible being examined
+
+        Returns True if we think obj is the Search entry.
+        """
+
+        # The Search entry is the only entry inside a toolbar. If that
+        # should change, we'll need to make our criteria more specific.
+        #
+        if obj and obj.getRole() == pyatspi.ROLE_TEXT \
+           and self.getAncestor( \
+            obj, [pyatspi.ROLE_TOOL_BAR], [pyatspi.ROLE_FRAME]):
+            return True
+
+        return False
diff --git a/src/orca/scripts/apps/packagemanager/tutorialgenerator.py 
b/src/orca/scripts/apps/packagemanager/tutorialgenerator.py
new file mode 100644
index 0000000..68907b8
--- /dev/null
+++ b/src/orca/scripts/apps/packagemanager/tutorialgenerator.py
@@ -0,0 +1,66 @@
+# Orca
+#
+# Copyright 2008-2009 Sun Microsystems Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public
+# License as published by the Free Software Foundation; either
+# version 2 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
+# Library General Public License for more details.
+#
+# You should have received a copy of the GNU Library 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.
+
+__id__        = "$Id$"
+__version__   = "$Revision$"
+__date__      = "$Date$"
+__copyright__ = "Copyright (c) 2008-2009 Sun Microsystems Inc."
+__license__   = "LGPL"
+
+import orca.tutorialgenerator as tutorialgenerator
+
+from orca.orca_i18n import _         # for gettext support
+
+class TutorialGenerator(tutorialgenerator.TutorialGenerator):
+    """Overridden here so that we can provide a custom message regarding
+    how to move focus to the search results after a search has been
+    executed. This is needed because focus remains in the Search entry,
+    and an object in between the entry and the list of results clears
+    the search automatically when given focus."""
+
+    def __init__(self, script):
+        tutorialgenerator.TutorialGenerator.__init__(self, script)
+
+    def _getTutorialForText(self, obj, alreadyFocused, forceTutorial):
+        """Get the tutorial string for a text object.
+
+        Arguments:
+        - obj: the text component
+        - alreadyFocused: False if object just received focus
+        - forceTutorial: used for when whereAmI really needs the tutorial
+          string
+
+        Returns a list of tutorial utterances to be spoken for the object.
+        """
+
+        utterances = tutorialgenerator.TutorialGenerator.\
+            _getTutorialForText(self, obj, alreadyFocused, forceTutorial)
+        if utterances and self._script.isSearchEntry(obj):
+            # Translators: This is the tutorial string associated with a
+            # specific search field in the Packagemanager application.
+            # It is designed to inform the user how to move directly to
+            # the search results after the search has been completed.
+            #
+            utterances.append(_("Use Ctrl+L to move focus to the results."))
+        self._debugGenerator("_getTutorialForText",
+                             obj,
+                             alreadyFocused,
+                             utterances)
+
+        return utterances
diff --git a/src/orca/scripts/toolkits/Gecko/script.py 
b/src/orca/scripts/toolkits/Gecko/script.py
index 13d5896..1a0abb8 100644
--- a/src/orca/scripts/toolkits/Gecko/script.py
+++ b/src/orca/scripts/toolkits/Gecko/script.py
@@ -1922,18 +1922,21 @@ class Script(default.Script):
                     #
                     self._loadingDocumentContent = True
 
-                    # Translators: this is in reference to loading a web page.
+                    # Translators: this is in reference to loading a web page
+                    # or some other content.
                     #
                     message = _("Loading.  Please wait.")
 
                 elif event.source.name:
-                    # Translators: this is in reference to loading a web page.
+                    # Translators: this is in reference to loading a web page
+                    # or some other content.
                     #
                     message = _("Finished loading %s.") % event.source.name
                     finishedLoading = True
 
                 else:
-                    # Translators: this is in reference to loading a web page.
+                    # Translators: this is in reference to loading a web page
+                    # or some other content.
                     #
                     message = _("Finished loading.")
                     finishedLoading = True
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