1 files changed, 86 insertions, 0 deletions
diff --git a/android/source/src/java/org/libreoffice/PDFDocumentAdapter.java b/android/source/src/java/org/libreoffice/PDFDocumentAdapter.java
new file mode 100644
index 000000000..2ce167ce3
--- /dev/null
+++ b/android/source/src/java/org/libreoffice/PDFDocumentAdapter.java
@@ -0,0 +1,86 @@
+package org.libreoffice;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.os.Bundle;
+import android.os.CancellationSignal;
+import android.os.ParcelFileDescriptor;
+import android.print.PageRange;
+import android.print.PrintAttributes;
+import android.print.PrintDocumentAdapter;
+import android.print.PrintDocumentInfo;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+@TargetApi(19)
+public class PDFDocumentAdapter extends PrintDocumentAdapter{
+    Context mContext;
+    String pdfFile;
+
+    public PDFDocumentAdapter(Context mContext, String pdfFile) {
+        this.mContext = mContext;
+        this.pdfFile = pdfFile;
+    }
+
+    @Override
+    public void onLayout(PrintAttributes oldAttributes, PrintAttributes newAttributes, CancellationSignal cancellationSignal, LayoutResultCallback callback, Bundle extras) {
+        if (cancellationSignal.isCanceled()) {
+            callback.onLayoutCancelled();
+        }
+        else {
+            File f = new File(pdfFile);
+            PrintDocumentInfo.Builder builder=
+                    new PrintDocumentInfo.Builder(f.getName());
+            builder.setContentType(PrintDocumentInfo.CONTENT_TYPE_DOCUMENT)
+                    .setPageCount(PrintDocumentInfo.PAGE_COUNT_UNKNOWN)
+                    .build();
+            callback.onLayoutFinished(builder.build(),
+                    !newAttributes.equals(oldAttributes));
+        }
+    }
+
+    @Override
+    public void onWrite(PageRange[] pages, ParcelFileDescriptor destination, CancellationSignal cancellationSignal, WriteResultCallback callback) {
+        InputStream in=null;
+        OutputStream out=null;
+        try {
+            File file = new File(pdfFile);
+            in = new FileInputStream(file);
+            out=new FileOutputStream(destination.getFileDescriptor());
+
+            byte[] buf=new byte[in.available()];
+            int size;
+
+            while ((size=in.read(buf)) >= 0
+                    && !cancellationSignal.isCanceled()) {
+                out.write(buf, 0, size);
+            }
+
+            if (cancellationSignal.isCanceled()) {
+                callback.onWriteCancelled();
+            }
+            else {
+                callback.onWriteFinished(new PageRange[] { PageRange.ALL_PAGES });
+            }
+        }
+        catch (Exception e) {
+            callback.onWriteFailed(e.getMessage());
+            e.printStackTrace();
+        }
+        finally {
+            try {
+                in.close();
+                out.close();
+            }
+            catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+    }
+}
+\ No newline at end of file