Accessibility: Add actions for value interfaces

To support increment / decrement of sliders, dials and spin boxes.
(anything with an {in,de}crementAction or a valueInterface.

Other platforms will follow the same pattern in follow-up patches.

Task-number: QTBUG-38832
Change-Id: Ie570acc39b3d9494a8bb9f624b61a398b1d8de89
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>

2 files changed, 16 insertions, 3 deletions

diff --git a/src/android/accessibility/jar/src/org/qtproject/qt5/android/accessibility/QtAccessibilityDelegate.java b/src/android/accessibility/jar/src/org/qtproject/qt5/android/accessibility/QtAccessibilityDelegate.java
index 70b02d8d04..c2e2ea5b49 100644
--- a/src/android/accessibility/jar/src/org/qtproject/qt5/android/accessibility/QtAccessibilityDelegate.java
+++ b/src/android/accessibility/jar/src/org/qtproject/qt5/android/accessibility/QtAccessibilityDelegate.java
@@ -335,13 +335,24 @@ public class QtAccessibilityDelegate extends View.AccessibilityDelegate
     {
 //        Log.i(TAG, "ACTION " + action + " on " + virtualViewId);
 //        dumpNodes(virtualViewId);
+        boolean success = false;
         switch (action) {
         case AccessibilityNodeInfo.ACTION_CLICK:
-            boolean success = QtNativeAccessibility.clickAction(virtualViewId);
+            success = QtNativeAccessibility.clickAction(virtualViewId);
             if (success)
                 sendEventForVirtualViewId(virtualViewId, AccessibilityEvent.TYPE_VIEW_CLICKED);
-            return success;
+            break;
+        case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD:
+            success = QtNativeAccessibility.scrollForward(virtualViewId);
+            if (success)
+                sendEventForVirtualViewId(virtualViewId, AccessibilityEvent.TYPE_VIEW_SCROLLED);
+            break;
+        case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD:
+            success = QtNativeAccessibility.scrollBackward(virtualViewId);
+            if (success)
+                sendEventForVirtualViewId(virtualViewId, AccessibilityEvent.TYPE_VIEW_SCROLLED);
+            break;
         }
-        return false;
+        return success;
     }
 }
diff --git a/src/android/accessibility/jar/src/org/qtproject/qt5/android/accessibility/QtNativeAccessibility.java b/src/android/accessibility/jar/src/org/qtproject/qt5/android/accessibility/QtNativeAccessibility.java
index 8a53623957..f0bf4a0897 100644
--- a/src/android/accessibility/jar/src/org/qtproject/qt5/android/accessibility/QtNativeAccessibility.java
+++ b/src/android/accessibility/jar/src/org/qtproject/qt5/android/accessibility/QtNativeAccessibility.java
@@ -53,6 +53,8 @@ class QtNativeAccessibility
     static native Rect screenRect(int objectId);
     static native int hitTest(float x, float y);
     static native boolean clickAction(int objectId);
+    static native boolean scrollForward(int objectId);
+    static native boolean scrollBackward(int objectId);
 
     static native boolean populateNode(int objectId, AccessibilityNodeInfo node);
 }