Implement QAccessibleActionInterface

For now only setting the focus via accessibility APIs is supported.
Being able to do that is important since screen readers allow exploring
the application in different ways and expect to be able to set the focus
according to what they present to the user.

Change-Id: I4ce17039307844a77c0274d743f5afbe049e3c66
Reviewed-by: Michael Bruning <michael.bruning@digia.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/src/core/browser_accessibility_qt.cpp b/src/core/browser_accessibility_qt.cpp
index 106a71d4c..f71a50610 100644
--- a/src/core/browser_accessibility_qt.cpp
+++ b/src/core/browser_accessibility_qt.cpp
@@ -80,6 +80,10 @@ QAccessibleInterface *BrowserAccessibilityQt::childAt(int x, int y) const
 void *BrowserAccessibilityQt::interface_cast(QAccessible::InterfaceType type)
 {
     switch (type) {
+    case QAccessible::ActionInterface:
+        if (!actionNames().isEmpty())
+            return static_cast<QAccessibleActionInterface*>(this);
+        break;
     case QAccessible::TextInterface:
         if (IsEditableText())
             return static_cast<QAccessibleTextInterface*>(this);
@@ -436,6 +440,26 @@ void BrowserAccessibilityQt::NativeReleaseReference()
     QAccessible::deleteAccessibleInterface(interfaceId);
 }
 
+QStringList BrowserAccessibilityQt::actionNames() const
+{
+    QStringList actions;
+    if (HasState(blink::WebAXStateFocusable))
+        actions << QAccessibleActionInterface::setFocusAction();
+    return actions;
+}
+
+void BrowserAccessibilityQt::doAction(const QString &actionName)
+{
+    if (actionName == QAccessibleActionInterface::setFocusAction())
+        manager()->SetFocus(this, true);
+}
+
+QStringList BrowserAccessibilityQt::keyBindingsForAction(const QString &actionName) const
+{
+    QT_NOT_YET_IMPLEMENTED
+    return QStringList();
+}
+
 void BrowserAccessibilityQt::addSelection(int startOffset, int endOffset)
 {
     manager()->SetTextSelection(*this, startOffset, endOffset);