Merged changes from trunk up to revision 1343632

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_TrueTypeInPostScript@1343668 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 47 insertions, 3 deletions

diff --git a/src/java/org/apache/fop/accessibility/Accessibility.java b/src/java/org/apache/fop/accessibility/Accessibility.java
index c842cf43f..88ec6dbdd 100644
--- a/src/java/org/apache/fop/accessibility/Accessibility.java
+++ b/src/java/org/apache/fop/accessibility/Accessibility.java
@@ -28,6 +28,12 @@ public final class Accessibility {
     /** Constant string for the rendering options key to enable accessibility features. */
     public static final String ACCESSIBILITY = "accessibility";
 
+    /**
+     * The value to be set on the 'role' property for the element and its descendants to
+     * be considered as artifacts.
+     */
+    public static final String ROLE_ARTIFACT = "artifact";
+
     private Accessibility() { }
 
 }
diff --git a/src/java/org/apache/fop/accessibility/fo/FO2StructureTreeConverter.java b/src/java/org/apache/fop/accessibility/fo/FO2StructureTreeConverter.java
index 47c227e9a..27469d6e0 100644
--- a/src/java/org/apache/fop/accessibility/fo/FO2StructureTreeConverter.java
+++ b/src/java/org/apache/fop/accessibility/fo/FO2StructureTreeConverter.java
@@ -23,6 +23,7 @@ import java.util.Stack;
 
 import org.xml.sax.SAXException;
 
+import org.apache.fop.accessibility.Accessibility;
 import org.apache.fop.accessibility.StructureTreeEventHandler;
 import org.apache.fop.fo.DelegatingFOEventHandler;
 import org.apache.fop.fo.FOEventHandler;
@@ -57,6 +58,8 @@ import org.apache.fop.fo.pagination.Flow;
 import org.apache.fop.fo.pagination.PageSequence;
 import org.apache.fop.fo.pagination.Root;
 import org.apache.fop.fo.pagination.StaticContent;
+import org.apache.fop.fo.properties.CommonAccessibility;
+import org.apache.fop.fo.properties.CommonAccessibilityHolder;
 
 /**
  * Allows to create the structure tree of an FO document, by converting FO
@@ -355,6 +358,7 @@ public class FO2StructureTreeConverter extends DelegatingFOEventHandler {
 
     @Override
     public void startStatic(StaticContent staticContent) {
+        handleStartArtifact(staticContent);
         converter.startStatic(staticContent);
         super.startStatic(staticContent);
     }
@@ -362,6 +366,7 @@ public class FO2StructureTreeConverter extends DelegatingFOEventHandler {
     @Override
     public void endStatic(StaticContent statisContent) {
         converter.endStatic(statisContent);
+        handleEndArtifact(statisContent);
         super.endStatic(statisContent);
     }
 
@@ -454,6 +459,7 @@ public class FO2StructureTreeConverter extends DelegatingFOEventHandler {
 
     @Override
     public void startWrapper(Wrapper wrapper) {
+        handleStartArtifact(wrapper);
         converter.startWrapper(wrapper);
         super.startWrapper(wrapper);
     }
@@ -461,6 +467,7 @@ public class FO2StructureTreeConverter extends DelegatingFOEventHandler {
     @Override
     public void endWrapper(Wrapper wrapper) {
         converter.endWrapper(wrapper);
+        handleEndArtifact(wrapper);
         super.endWrapper(wrapper);
     }
 
@@ -488,4 +495,22 @@ public class FO2StructureTreeConverter extends DelegatingFOEventHandler {
         super.endExternalDocument(document);
     }
 
+    private void handleStartArtifact(CommonAccessibilityHolder fobj) {
+        if (isArtifact(fobj)) {
+            converters.push(converter);
+            converter = eventSwallower;
+        }
+    }
+
+    private void handleEndArtifact(CommonAccessibilityHolder fobj) {
+        if (isArtifact(fobj)) {
+            converter = converters.pop();
+        }
+    }
+
+    private boolean isArtifact(CommonAccessibilityHolder fobj) {
+        CommonAccessibility accessibility = fobj.getCommonAccessibility();
+        return Accessibility.ROLE_ARTIFACT.equalsIgnoreCase(accessibility.getRole());
+    }
+
 }
diff --git a/src/java/org/apache/fop/fo/flow/Wrapper.java b/src/java/org/apache/fop/fo/flow/Wrapper.java
index 1302e3134..0aec7ce16 100644
--- a/src/java/org/apache/fop/fo/flow/Wrapper.java
+++ b/src/java/org/apache/fop/fo/flow/Wrapper.java
@@ -26,7 +26,10 @@ import org.apache.fop.fo.Constants;
 import org.apache.fop.fo.FONode;
 import org.apache.fop.fo.FOText;
 import org.apache.fop.fo.FObjMixed;
+import org.apache.fop.fo.PropertyList;
 import org.apache.fop.fo.ValidationException;
+import org.apache.fop.fo.properties.CommonAccessibility;
+import org.apache.fop.fo.properties.CommonAccessibilityHolder;
 
 /**
  * Class modelling the <a href=http://www.w3.org/TR/xsl/#fo_wrapper">
@@ -34,13 +37,13 @@ import org.apache.fop.fo.ValidationException;
  * The <code>fo:wrapper</code> object serves as a property holder for
  * its child node objects.
  */
-public class Wrapper extends FObjMixed {
-    // The value of properties relevant for fo:wrapper.
-    // End of property values
+public class Wrapper extends FObjMixed implements CommonAccessibilityHolder {
 
     // used for FO validation
     private boolean blockOrInlineItemFound = false;
 
+    private CommonAccessibility commonAccessibility;
+
     /**
      * Create a Wrapper instance that is a child of the
      * given {@link FONode}
@@ -52,6 +55,12 @@ public class Wrapper extends FObjMixed {
     }
 
     @Override
+    public void bind(PropertyList pList) throws FOPException {
+        super.bind(pList);
+        commonAccessibility = CommonAccessibility.getInstance(pList);
+    }
+
+    @Override
     protected void startOfNode() throws FOPException {
         super.startOfNode();
         getFOEventHandler().startWrapper(this);
@@ -136,6 +145,10 @@ public class Wrapper extends FObjMixed {
         return FO_WRAPPER;
     }
 
+    public CommonAccessibility getCommonAccessibility() {
+        return commonAccessibility;
+    }
+
     @Override
     public boolean isDelimitedTextRangeBoundary ( int boundary ) {
         return false;