Adding a new sub-plugin that gives visual feedback for navigation keys.
diff --git a/samples/BrowserPlugin/jni/navigation/NavigationPlugin.h b/samples/BrowserPlugin/jni/navigation/NavigationPlugin.h
new file mode 100644
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+++ b/samples/BrowserPlugin/jni/navigation/NavigationPlugin.h
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+/*
+ * Copyright 2010, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "PluginObject.h"
+
+#ifndef navigationPlugin__DEFINED
+#define navigationPlugin__DEFINED
+
+class NavigationPlugin : public SubPlugin {
+public:
+	NavigationPlugin(NPP inst);
+    virtual ~NavigationPlugin();
+    virtual bool supportsDrawingModel(ANPDrawingModel);
+    virtual int16 handleEvent(const ANPEvent* evt);
+private:
+    void draw(ANPCanvas*);
+    void drawPlugin(const ANPBitmap& bitmap, const ANPRectI& clip);
+
+    bool        m_hasFocus;
+
+    ANPRectF*	m_activeNav;
+    ANPRectF	m_navUp;
+    ANPRectF	m_navDown;
+    ANPRectF	m_navLeft;
+    ANPRectF	m_navRight;
+    ANPRectF	m_navCenter;
+
+    ANPPaint*   m_paintDisabled;
+    ANPPaint*   m_paintActive;
+
+    bool handleNavigation(ANPKeyCode keyCode);
+    ANPPaint* getPaint(ANPRectF*);
+};
+
+#endif // navigationPlugin__DEFINED