Restructuring the sample plugin and adding more tests.
diff --git a/samples/BrowserPlugin/jni/main.cpp b/samples/BrowserPlugin/jni/main.cpp
new file mode 100644
index 0000000..e2fb6d6
--- /dev/null
+++ b/samples/BrowserPlugin/jni/main.cpp
@@ -0,0 +1,412 @@
+/*
+ * Copyright 2008, 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 <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include "main.h"
+#include "PluginObject.h"
+#include "AnimationPlugin.h"
+#include "BackgroundPlugin.h"
+#include "android_npapi.h"
+
+NPNetscapeFuncs* browser;
+#define EXPORT __attribute__((visibility("default")))
+
+NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc,
+        char* argn[], char* argv[], NPSavedData* saved);
+NPError NPP_Destroy(NPP instance, NPSavedData** save);
+NPError NPP_SetWindow(NPP instance, NPWindow* window);
+NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream,
+        NPBool seekable, uint16* stype);
+NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason);
+int32   NPP_WriteReady(NPP instance, NPStream* stream);
+int32   NPP_Write(NPP instance, NPStream* stream, int32 offset, int32 len,
+        void* buffer);
+void    NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname);
+void    NPP_Print(NPP instance, NPPrint* platformPrint);
+int16   NPP_HandleEvent(NPP instance, void* event);
+void    NPP_URLNotify(NPP instance, const char* URL, NPReason reason,
+        void* notifyData);
+NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value);
+NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value);
+
+extern "C" {
+EXPORT NPError NP_Initialize(NPNetscapeFuncs* browserFuncs, NPPluginFuncs* pluginFuncs, void *java_env, void *application_context);
+EXPORT NPError NP_GetValue(NPP instance, NPPVariable variable, void *value);
+EXPORT const char* NP_GetMIMEDescription(void);
+EXPORT void NP_Shutdown(void);
+};
+
+ANPAudioTrackInterfaceV0    gSoundI;
+ANPBitmapInterfaceV0        gBitmapI;
+ANPCanvasInterfaceV0        gCanvasI;
+ANPLogInterfaceV0           gLogI;
+ANPPaintInterfaceV0         gPaintI;
+ANPPathInterfaceV0          gPathI;
+ANPTypefaceInterfaceV0      gTypefaceI;
+
+#define ARRAY_COUNT(array)      (sizeof(array) / sizeof(array[0]))
+
+NPError NP_Initialize(NPNetscapeFuncs* browserFuncs, NPPluginFuncs* pluginFuncs, void *java_env, void *application_context)
+{
+    // Make sure we have a function table equal or larger than we are built against.
+    if (browserFuncs->size < sizeof(NPNetscapeFuncs)) {
+        return NPERR_GENERIC_ERROR;
+    }
+
+    // Copy the function table (structure)
+    browser = (NPNetscapeFuncs*) malloc(sizeof(NPNetscapeFuncs));
+    memcpy(browser, browserFuncs, sizeof(NPNetscapeFuncs));
+
+    // Build the plugin function table
+    pluginFuncs->version = 11;
+    pluginFuncs->size = sizeof(pluginFuncs);
+    pluginFuncs->newp = NPP_New;
+    pluginFuncs->destroy = NPP_Destroy;
+    pluginFuncs->setwindow = NPP_SetWindow;
+    pluginFuncs->newstream = NPP_NewStream;
+    pluginFuncs->destroystream = NPP_DestroyStream;
+    pluginFuncs->asfile = NPP_StreamAsFile;
+    pluginFuncs->writeready = NPP_WriteReady;
+    pluginFuncs->write = (NPP_WriteProcPtr)NPP_Write;
+    pluginFuncs->print = NPP_Print;
+    pluginFuncs->event = NPP_HandleEvent;
+    pluginFuncs->urlnotify = NPP_URLNotify;
+    pluginFuncs->getvalue = NPP_GetValue;
+    pluginFuncs->setvalue = NPP_SetValue;
+
+    static const struct {
+        NPNVariable     v;
+        uint32_t        size;
+        ANPInterface*   i;
+    } gPairs[] = {
+        { kBitmapInterfaceV0_ANPGetValue,       sizeof(gBitmapI),   &gBitmapI },
+        { kCanvasInterfaceV0_ANPGetValue,       sizeof(gCanvasI),   &gCanvasI },
+        { kLogInterfaceV0_ANPGetValue,          sizeof(gLogI),      &gLogI },
+        { kPaintInterfaceV0_ANPGetValue,        sizeof(gPaintI),    &gPaintI },
+        { kPathInterfaceV0_ANPGetValue,         sizeof(gPathI),     &gPathI },
+        { kTypefaceInterfaceV0_ANPGetValue,     sizeof(gPaintI),    &gTypefaceI },
+        { kAudioTrackInterfaceV0_ANPGetValue,   sizeof(gSoundI),    &gSoundI },
+    };
+    for (size_t i = 0; i < ARRAY_COUNT(gPairs); i++) {
+        gPairs[i].i->inSize = gPairs[i].size;
+        NPError err = browser->getvalue(NULL, gPairs[i].v, gPairs[i].i);
+        if (err) {
+            return err;
+        }
+    }
+
+    return NPERR_NO_ERROR;
+}
+
+void NP_Shutdown(void)
+{
+
+}
+
+const char *NP_GetMIMEDescription(void)
+{
+    return "application/x-testbrowserplugin:tst:Test plugin mimetype is application/x-testbrowserplugin";
+}
+
+NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc,
+                char* argn[], char* argv[], NPSavedData* saved)
+{
+
+    /* BEGIN: STANDARD PLUGIN FRAMEWORK */
+    PluginObject *obj = NULL;
+
+    // Scripting functions appeared in NPAPI version 14
+    if (browser->version >= 14) {
+    instance->pdata = browser->createobject (instance, getPluginClass());
+    obj = static_cast<PluginObject*>(instance->pdata);
+    bzero(obj, sizeof(*obj));
+    }
+    /* END: STANDARD PLUGIN FRAMEWORK */
+
+    // select the drawing model based on user input
+    ANPDrawingModel model = kBitmap_ANPDrawingModel;
+
+    for (int i = 0; i < argc; i++) {
+        if (!strcmp(argn[i], "DrawingModel")) {
+            if (!strcmp(argv[i], "Bitmap")) {
+                model = kBitmap_ANPDrawingModel;
+            }
+            if (!strcmp(argv[i], "Canvas")) {
+                //TODO support drawing on canvas instead of bitmap
+            }
+            gLogI.log(instance, kDebug_ANPLogType, "------ %p DrawingModel is %d", instance, model);
+            break;
+        }
+    }
+
+    // comment this out to use the default model (bitmaps)
+    NPError err = browser->setvalue(instance, kRequestDrawingModel_ANPSetValue,
+                            reinterpret_cast<void*>(model));
+    if (err) {
+        gLogI.log(instance, kError_ANPLogType, "request model %d err %d", model, err);
+        return err;
+    }
+
+    // select the pluginType
+    for (int i = 0; i < argc; i++) {
+        if (!strcmp(argn[i], "PluginType")) {
+            if (!strcmp(argv[i], "Animation")) {
+                obj->pluginType = kAnimation_PluginType;
+                obj->activePlugin = new BallAnimation(instance);
+            }
+            else if (!strcmp(argv[i], "Audio")) {
+                obj->pluginType = kAudio_PluginType;
+                //TODO add audio here
+            }
+            else if (!strcmp(argv[i], "Background")) {
+                obj->pluginType = kBackground_PluginType;
+                obj->activePlugin = new BackgroundPlugin(instance);
+            }
+            gLogI.log(instance, kDebug_ANPLogType, "------ %p PluginType is %d", instance, obj->pluginType);
+            break;
+        }
+    }
+
+    // if no pluginType is specified then default to Animation
+    if (!obj->pluginType) {
+        obj->pluginType = kAnimation_PluginType;
+        obj->activePlugin = new BallAnimation(instance);
+    }
+
+    return NPERR_NO_ERROR;
+}
+
+NPError NPP_Destroy(NPP instance, NPSavedData** save)
+{
+    PluginObject *obj = (PluginObject*) instance->pdata;
+    delete obj->activePlugin;
+    gSoundI.deleteTrack(obj->track);
+
+    return NPERR_NO_ERROR;
+}
+
+NPError NPP_SetWindow(NPP instance, NPWindow* window)
+{
+    PluginObject *obj = (PluginObject*) instance->pdata;
+
+    // Do nothing if browser didn't support NPN_CreateObject which would have created the PluginObject.
+    if (obj != NULL) {
+        obj->window = window;
+    }
+
+    browser->invalidaterect(instance, NULL);
+
+    return NPERR_NO_ERROR;
+}
+
+NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype)
+{
+    *stype = NP_ASFILEONLY;
+    return NPERR_NO_ERROR;
+}
+
+NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason)
+{
+    return NPERR_NO_ERROR;
+}
+
+int32 NPP_WriteReady(NPP instance, NPStream* stream)
+{
+    return 0;
+}
+
+int32 NPP_Write(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer)
+{
+    return 0;
+}
+
+void NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
+{
+}
+
+void NPP_Print(NPP instance, NPPrint* platformPrint)
+{
+}
+
+struct SoundPlay {
+    NPP             instance;
+    ANPAudioTrack*  track;
+    FILE*           file;
+};
+
+static void audioCallback(ANPAudioEvent evt, void* user, ANPAudioBuffer* buffer) {
+    switch (evt) {
+        case kMoreData_ANPAudioEvent: {
+            SoundPlay* play = reinterpret_cast<SoundPlay*>(user);
+            size_t amount = fread(buffer->bufferData, 1, buffer->size, play->file);
+            buffer->size = amount;
+            if (amount == 0) {
+                gSoundI.stop(play->track);
+                fclose(play->file);
+                play->file = NULL;
+                // need to notify our main thread to delete the track now
+            }
+            break;
+        }
+        default:
+            break;
+    }
+}
+
+static ANPAudioTrack* createTrack(NPP instance, const char path[]) {
+    FILE* f = fopen(path, "r");
+    gLogI.log(instance, kWarning_ANPLogType, "--- path %s FILE %p", path, f);
+    if (NULL == f) {
+        return NULL;
+    }
+    SoundPlay* play = new SoundPlay;
+    play->file = f;
+    play->track = gSoundI.newTrack(44100, kPCM16Bit_ANPSampleFormat, 2, audioCallback, play);
+    if (NULL == play->track) {
+        fclose(f);
+        delete play;
+        return NULL;
+    }
+    return play->track;
+}
+
+int16 NPP_HandleEvent(NPP instance, void* event)
+{
+    PluginObject *obj = reinterpret_cast<PluginObject*>(instance->pdata);
+    const ANPEvent* evt = reinterpret_cast<const ANPEvent*>(event);
+
+    switch (evt->eventType) {
+        case kDraw_ANPEventType:
+
+            if (evt->data.draw.model == kBitmap_ANPDrawingModel) {
+
+                static ANPBitmapFormat currentFormat = -1;
+                if (evt->data.draw.data.bitmap.format != currentFormat) {
+                    currentFormat = evt->data.draw.data.bitmap.format;
+                    gLogI.log(instance, kDebug_ANPLogType, "---- %p Draw (bitmap)"
+                              " clip=%d,%d,%d,%d format=%d", instance,
+                              evt->data.draw.clip.left,
+                              evt->data.draw.clip.top,
+                              evt->data.draw.clip.right,
+                              evt->data.draw.clip.bottom,
+                              evt->data.draw.data.bitmap.format);
+                }
+            }
+            break;
+
+        case kKey_ANPEventType:
+            gLogI.log(instance, kDebug_ANPLogType, "---- %p Key action=%d"
+                      " code=%d vcode=%d unichar=%d repeat=%d mods=%x", instance,
+                      evt->data.key.action,
+                      evt->data.key.nativeCode,
+                      evt->data.key.virtualCode,
+                      evt->data.key.unichar,
+                      evt->data.key.repeatCount,
+                      evt->data.key.modifiers);
+            break;
+
+        case kLifecycle_ANPEventType:
+            gLogI.log(instance, kDebug_ANPLogType, "---- %p Lifecycle action=%d",
+                                instance, evt->data.lifecycle.action);
+            break;
+
+       case kTouch_ANPEventType:
+            gLogI.log(instance, kDebug_ANPLogType, "---- %p Touch action=%d [%d %d]",
+                      instance, evt->data.touch.action, evt->data.touch.x,
+                      evt->data.touch.y);
+            if (kUp_ANPTouchAction == evt->data.touch.action) {
+                if (NULL == obj->track) {
+                    obj->track = createTrack(instance, "/sdcard/sample.snd");
+                }
+                if (obj->track) {
+                    gLogI.log(instance, kDebug_ANPLogType, "track %p %d",
+                              obj->track, gSoundI.isStopped(obj->track));
+                    if (gSoundI.isStopped(obj->track)) {
+                        gSoundI.start(obj->track);
+                    } else {
+                        gSoundI.pause(obj->track);
+                    }
+                }
+            }
+            return 1;
+
+        default:
+            break;
+    }
+
+    if(!obj->activePlugin) {
+        gLogI.log(instance, kError_ANPLogType, "the active plugin is null.");
+        return 0; // unknown or unhandled event
+    }
+    else {
+        return obj->activePlugin->handleEvent(evt);
+    }
+}
+
+void NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
+{
+
+}
+
+EXPORT NPError NP_GetValue(NPP instance, NPPVariable variable, void *value) {
+
+    if (variable == NPPVpluginNameString) {
+        const char **str = (const char **)value;
+        *str = "Test Plugin";
+        return NPERR_NO_ERROR;
+    }
+
+    if (variable == NPPVpluginDescriptionString) {
+        const char **str = (const char **)value;
+        *str = "Description of Test Plugin";
+        return NPERR_NO_ERROR;
+    }
+
+    return NPERR_GENERIC_ERROR;
+}
+
+NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value)
+{
+    if (variable == NPPVpluginScriptableNPObject) {
+        void **v = (void **)value;
+        PluginObject *obj = (PluginObject*) instance->pdata;
+
+        if (obj)
+            browser->retainobject((NPObject*)obj);
+
+        *v = obj;
+        return NPERR_NO_ERROR;
+    }
+
+    return NPERR_GENERIC_ERROR;
+}
+
+NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value)
+{
+    return NPERR_GENERIC_ERROR;
+}
+