JavaBeanified FOUserAgent.accessibilityEnabled().

Moved accessibility initialization out of PDFRenderingUtil because PDFRenderer doesn't support accessibility and both the new and old implementation use this class.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_Accessibility@746248 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/apps/FOUserAgent.java

@@ -623,10 +623,10 @@ public class FOUserAgent {
     }
 
     /**
-     * check if accessibility is enabled
-     * @return boolean
+     * Check if accessibility is enabled.
+     * @return true if accessibility is enabled
      */
-    public boolean accessibilityEnabled() {
+    public boolean isAccessibilityEnabled() {
         Boolean enabled = (Boolean)this.getRendererOptions().get("accessibility");
         if (enabled != null) {
             return enabled.booleanValue();

src/java/org/apache/fop/apps/Fop.java

@@ -111,7 +111,7 @@ public class Fop {
         if (foTreeBuilder == null) {
             createDefaultHandler();
         }
-        if (this.foUserAgent.accessibilityEnabled()) {
+        if (this.foUserAgent.isAccessibilityEnabled()) {
             return AccessibilityUtil.decorateDefaultHandler(this.foTreeBuilder, foUserAgent);
         } else {
             return this.foTreeBuilder;

src/java/org/apache/fop/render/intermediate/IFSerializer.java

@@ -200,7 +200,7 @@ public class IFSerializer extends AbstractXMLWritingIFDocumentHandler
             handler.startPrefixMapping(DocumentNavigationExtensionConstants.PREFIX,
                     DocumentNavigationExtensionConstants.NAMESPACE);
             handler.startElement(EL_DOCUMENT);
-            if (this.getUserAgent().accessibilityEnabled()) {
+            if (this.getUserAgent().isAccessibilityEnabled()) {
                 pageSequenceCounter = 0;
                 DocumentBuilderFactory  factory = DocumentBuilderFactory.newInstance();
                 factory.setNamespaceAware(true);
@@ -269,7 +269,7 @@ public class IFSerializer extends AbstractXMLWritingIFDocumentHandler
             }
 
             handler.startElement(EL_PAGE_SEQUENCE, atts);
-            if (this.getUserAgent().accessibilityEnabled()) {
+            if (this.getUserAgent().isAccessibilityEnabled()) {
                 if (doc == null) {
                     doc = parser.parse(
                             new ByteArrayInputStream(this.getUserAgent().getReducedFOTree()));

src/java/org/apache/fop/render/pdf/PDFDocumentHandler.java

@@ -214,11 +214,21 @@ public class PDFDocumentHandler extends AbstractBinaryWritingIFDocumentHandler {
         super.startDocument();
         try {
             this.pdfDoc = pdfUtil.setupPDFDocument(this.outputStream);
-            this.accessEnabled = getUserAgent().accessibilityEnabled();
+            this.accessEnabled = getUserAgent().isAccessibilityEnabled();
             if (accessEnabled) {
+                this.pdfDoc.getRoot().makeTagged();
+                log.info("Accessibility is enabled");
+                PDFStructTreeRoot structTreeRoot = this.pdfDoc.getFactory().makeStructTreeRoot();
+                this.pdfDoc.getRoot().setStructTreeRoot(structTreeRoot);
+                PDFStructElem structElemDocument = new PDFStructElem("root", structTreeRoot);
+                this.pdfDoc.assignObjectNumber(structElemDocument);
+                this.pdfDoc.addTrailerObject(structElemDocument);
+                structTreeRoot.addKid(structElemDocument);
+
                 //TODO: make document language variable, see note on wiki page PDF Accessibility
                 //TODO:                and follow-up emails on fop-dev
                 this.pdfDoc.getRoot().setLanguage("en");
+
                 parentTree = new PDFParentTree();
                 pageSequenceCounter = 0;
                 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
@@ -241,7 +251,7 @@ public class PDFDocumentHandler extends AbstractBinaryWritingIFDocumentHandler {
     public void endDocument() throws IFException {
         try {
             pdfDoc.getResources().addFonts(pdfDoc, fontInfo);
-            if (getUserAgent().accessibilityEnabled()) {
+            if (getUserAgent().isAccessibilityEnabled()) {
                 PDFNumsArray nums = parentTree.getNums();
                 for (int i = 0; i <= this.parentTreeKey; i++) {
                     PDFArray tArray = new PDFArray();
@@ -288,7 +298,7 @@ public class PDFDocumentHandler extends AbstractBinaryWritingIFDocumentHandler {
     public void startPageSequence(String id) throws IFException {
         //TODO page sequence title, country and language
 
-        if (getUserAgent().accessibilityEnabled()) {
+        if (getUserAgent().isAccessibilityEnabled()) {
             try {
                 if (doc == null) {
                     doc = parser.parse(

src/java/org/apache/fop/render/pdf/PDFImageHandlerRawJPEG.java

@@ -82,7 +82,7 @@ public class PDFImageHandlerRawJPEG implements PDFImageHandler, ImageHandler {
         float y = (float)pos.getY() / 1000f;
         float w = (float)pos.getWidth() / 1000f;
         float h = (float)pos.getHeight() / 1000f;
-        if (context.getUserAgent().accessibilityEnabled()) {
+        if (context.getUserAgent().isAccessibilityEnabled()) {
             String structElemType = pdfContext.getStructElemType();
             if (structElemType.length() > 0) {
                 int sequenceNum = pdfContext.getSequenceNum();

src/java/org/apache/fop/render/pdf/PDFImageHandlerRenderedImage.java

@@ -83,7 +83,7 @@ public class PDFImageHandlerRenderedImage implements PDFImageHandler, ImageHandl
         float y = (float)pos.getY() / 1000f;
         float w = (float)pos.getWidth() / 1000f;
         float h = (float)pos.getHeight() / 1000f;
-        if (context.getUserAgent().accessibilityEnabled()) {
+        if (context.getUserAgent().isAccessibilityEnabled()) {
             String structElemType = pdfContext.getStructElemType();
             int sequenceNum = pdfContext.getSequenceNum();
             generator.placeImage(x, y, w, h, xobj, structElemType, sequenceNum);

src/java/org/apache/fop/render/pdf/PDFImageHandlerSVG.java

@@ -121,7 +121,7 @@ public class PDFImageHandlerSVG implements ImageHandler {
          */
         generator.comment("SVG setup");
         generator.saveGraphicsState();
-        if (context.getUserAgent().accessibilityEnabled()) {
+        if (context.getUserAgent().isAccessibilityEnabled()) {
             String structElemType = pdfContext.getStructElemType();
             int sequenceNum = pdfContext.getSequenceNum();
             generator.startAccessSequence(structElemType, sequenceNum);
@@ -173,7 +173,7 @@ public class PDFImageHandlerSVG implements ImageHandler {
             eventProducer.svgRenderingError(this, e, image.getInfo().getOriginalURI());
         }
         generator.getState().restore();
-        if (context.getUserAgent().accessibilityEnabled()) {
+        if (context.getUserAgent().isAccessibilityEnabled()) {
             generator.restoreGraphicsStateAccess();
         } else {
             generator.restoreGraphicsState();

src/java/org/apache/fop/render/pdf/PDFPainter.java

@@ -82,7 +82,7 @@ public class PDFPainter extends AbstractIFPainter {
         this.generator = documentHandler.generator;
         this.borderPainter = new PDFBorderPainter(this.generator);
         this.state = IFState.create();
-        accessEnabled = this.getUserAgent().accessibilityEnabled();
+        accessEnabled = this.getUserAgent().isAccessibilityEnabled();
     }
 
     /** {@inheritDoc} */

src/java/org/apache/fop/render/pdf/PDFRenderingUtil.java

@@ -52,8 +52,6 @@ import org.apache.fop.pdf.PDFMetadata;
 import org.apache.fop.pdf.PDFNumsArray;
 import org.apache.fop.pdf.PDFOutputIntent;
 import org.apache.fop.pdf.PDFPageLabels;
-import org.apache.fop.pdf.PDFStructElem;
-import org.apache.fop.pdf.PDFStructTreeRoot;
 import org.apache.fop.pdf.PDFXMode;
 import org.apache.fop.util.ColorProfileUtil;
 
@@ -77,9 +75,6 @@ class PDFRenderingUtil implements PDFConfigurationConstants {
     /** the PDF/X mode (Default: disabled) */
     protected PDFXMode pdfXMode = PDFXMode.DISABLED;
 
-    /** the accessibility mode (Default: false=disabled) */
-    protected boolean accessibility = false;
-
     /** the (optional) encryption parameters */
     protected PDFEncryptionParams encryptionParams;
 
@@ -174,12 +169,6 @@ class PDFRenderingUtil implements PDFConfigurationConstants {
         if (s != null) {
             this.outputProfileURI = s;
         }
-        // used for accessibility
-        setting = userAgent.getRendererOptions().get(ACCESSIBLITY);
-        if (setting != null) {
-            this.accessibility = booleanValueOf(setting);
-        }
-
         setting = userAgent.getRendererOptions().get(KEY_DISABLE_SRGB_COLORSPACE);
         if (setting != null) {
             this.disableSRGBColorSpace = booleanValueOf(setting);
@@ -395,16 +384,6 @@ class PDFRenderingUtil implements PDFConfigurationConstants {
             log.debug("PDF/A is active. Conformance Level: " + pdfAMode);
             addPDFA1OutputIntent();
         }
-        if (this.accessibility) {
-            this.pdfDoc.getRoot().makeTagged();
-            log.info("Accessibility is enabled");
-            PDFStructTreeRoot structTreeRoot = this.pdfDoc.getFactory().makeStructTreeRoot();
-            this.pdfDoc.getRoot().setStructTreeRoot(structTreeRoot);
-            PDFStructElem structElemDocument = new PDFStructElem("root", structTreeRoot);
-            this.pdfDoc.assignObjectNumber(structElemDocument);
-            this.pdfDoc.addTrailerObject(structElemDocument);
-            structTreeRoot.addKid(structElemDocument);
-        }
         return this.pdfDoc;
     }