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/*
* 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 "BackgroundPlugin.h"
#include "android_npapi.h"
#include <stdio.h>
#include <sys/time.h>
#include <time.h>
#include <math.h>
#include <string.h>
extern NPNetscapeFuncs* browser;
extern ANPBitmapInterfaceV0 gBitmapI;
extern ANPCanvasInterfaceV0 gCanvasI;
extern ANPLogInterfaceV0 gLogI;
extern ANPPaintInterfaceV0 gPaintI;
extern ANPSurfaceInterfaceV0 gSurfaceI;
extern ANPSystemInterfaceV0 gSystemI;
extern ANPTypefaceInterfaceV0 gTypefaceI;
extern ANPWindowInterfaceV0 gWindowI;
#define ARRAY_COUNT(array) (sizeof(array) / sizeof(array[0]))
static uint32_t getMSecs() {
struct timeval tv;
gettimeofday(&tv, NULL);
return (uint32_t) (tv.tv_sec * 1000 + tv.tv_usec / 1000 ); // microseconds to milliseconds
}
///////////////////////////////////////////////////////////////////////////////
BackgroundPlugin::BackgroundPlugin(NPP inst) : SurfaceSubPlugin(inst) {
// initialize the drawing surface
m_surface = NULL;
//initialize bitmap transparency variables
mFinishedStageOne = false;
mFinishedStageTwo = false;
mFinishedStageThree = false;
// test basic plugin functionality
test_logging(); // android logging
test_timers(); // plugin timers
test_bitmaps(); // android bitmaps
test_domAccess();
test_javascript();
test_loadJavaClass();
//register for touch events
ANPEventFlags flags = kTouch_ANPEventFlag;
NPError err = browser->setvalue(inst, kAcceptEvents_ANPSetValue, &flags);
if (err != NPERR_NO_ERROR) {
gLogI.log(kError_ANPLogType, "Error selecting input events.");
}
}
BackgroundPlugin::~BackgroundPlugin() {
setContext(NULL);
destroySurface();
}
jobject BackgroundPlugin::getSurface() {
if (m_surface) {
return m_surface;
}
// load the appropriate java class and instantiate it
JNIEnv* env = NULL;
if (gVM->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
gLogI.log(kError_ANPLogType, " ---- getSurface: failed to get env");
return NULL;
}
const char* className = "com.android.sampleplugin.BackgroundSurface";
jclass backgroundClass = gSystemI.loadJavaClass(inst(), className);
if(!backgroundClass) {
gLogI.log(kError_ANPLogType, " ---- getSurface: failed to load class");
return NULL;
}
jmethodID constructor = env->GetMethodID(backgroundClass, "<init>", "(Landroid/content/Context;)V");
jobject backgroundSurface = env->NewObject(backgroundClass, constructor, m_context);
if(!backgroundSurface) {
gLogI.log(kError_ANPLogType, " ---- getSurface: failed to construct object");
return NULL;
}
m_surface = env->NewGlobalRef(backgroundSurface);
return m_surface;
}
void BackgroundPlugin::destroySurface() {
JNIEnv* env = NULL;
if (m_surface && gVM->GetEnv((void**) &env, JNI_VERSION_1_4) == JNI_OK) {
env->DeleteGlobalRef(m_surface);
m_surface = NULL;
}
}
void BackgroundPlugin::drawPlugin(int surfaceWidth, int surfaceHeight) {
// get the plugin's dimensions according to the DOM
PluginObject *obj = (PluginObject*) inst()->pdata;
const int W = obj->window->width;
const int H = obj->window->height;
// compute the current zoom level
const float zoomFactorW = static_cast<float>(surfaceWidth) / W;
const float zoomFactorH = static_cast<float>(surfaceHeight) / H;
// check to make sure the zoom level is uniform
if (zoomFactorW + .01 < zoomFactorH && zoomFactorW - .01 > zoomFactorH)
gLogI.log(kError_ANPLogType, " ------ %p zoom is out of sync (%f,%f)",
inst(), zoomFactorW, zoomFactorH);
// scale the variables based on the zoom level
const int fontSize = (int)(zoomFactorW * 16);
const int leftMargin = (int)(zoomFactorW * 10);
// lock the surface
ANPBitmap bitmap;
JNIEnv* env = NULL;
if (!m_surface || gVM->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK ||
!gSurfaceI.lock(env, m_surface, &bitmap, NULL)) {
gLogI.log(kError_ANPLogType, " ------ %p unable to lock the plugin", inst());
return;
}
// create a canvas
ANPCanvas* canvas = gCanvasI.newCanvas(&bitmap);
gCanvasI.drawColor(canvas, 0xFFFFFFFF);
ANPPaint* paint = gPaintI.newPaint();
gPaintI.setFlags(paint, gPaintI.getFlags(paint) | kAntiAlias_ANPPaintFlag);
gPaintI.setColor(paint, 0xFFFF0000);
gPaintI.setTextSize(paint, fontSize);
ANPTypeface* tf = gTypefaceI.createFromName("serif", kItalic_ANPTypefaceStyle);
gPaintI.setTypeface(paint, tf);
gTypefaceI.unref(tf);
ANPFontMetrics fm;
gPaintI.getFontMetrics(paint, &fm);
gPaintI.setColor(paint, 0xFF0000FF);
const char c[] = "This is a background plugin.";
gCanvasI.drawText(canvas, c, sizeof(c)-1, leftMargin, -fm.fTop, paint);
// clean up variables and unlock the surface
gPaintI.deletePaint(paint);
gCanvasI.deleteCanvas(canvas);
gSurfaceI.unlock(env, m_surface);
}
int16 BackgroundPlugin::handleEvent(const ANPEvent* evt) {
switch (evt->eventType) {
case kDraw_ANPEventType:
gLogI.log(kError_ANPLogType, " ------ %p the plugin did not request draw events", inst());
break;
case kLifecycle_ANPEventType:
if (evt->data.lifecycle.action == kOnLoad_ANPLifecycleAction) {
gLogI.log(kDebug_ANPLogType, " ------ %p the plugin received an onLoad event", inst());
return 1;
}
break;
case kTouch_ANPEventType:
if (kDown_ANPTouchAction == evt->data.touch.action)
return kHandleLongPress_ANPTouchResult | kHandleDoubleTap_ANPTouchResult;
else if (kLongPress_ANPTouchAction == evt->data.touch.action) {
browser->geturl(inst(), "javascript:alert('Detected long press event.')", 0);
gWindowI.requestFullScreen(inst());
}
else if (kDoubleTap_ANPTouchAction == evt->data.touch.action)
browser->geturl(inst(), "javascript:alert('Detected double tap event.')", 0);
break;
case kKey_ANPEventType:
gLogI.log(kError_ANPLogType, " ------ %p the plugin did not request key events", inst());
break;
default:
break;
}
return 0; // unknown or unhandled event
}
///////////////////////////////////////////////////////////////////////////////
// LOGGING TESTS
///////////////////////////////////////////////////////////////////////////////
void BackgroundPlugin::test_logging() {
NPP instance = this->inst();
//LOG_ERROR(instance, " ------ %p Testing Log Error", instance);
gLogI.log(kError_ANPLogType, " ------ %p Testing Log Error", instance);
gLogI.log(kWarning_ANPLogType, " ------ %p Testing Log Warning", instance);
gLogI.log(kDebug_ANPLogType, " ------ %p Testing Log Debug", instance);
}
///////////////////////////////////////////////////////////////////////////////
// TIMER TESTS
///////////////////////////////////////////////////////////////////////////////
#define TIMER_INTERVAL 50
static void timer_oneshot(NPP instance, uint32 timerID);
static void timer_repeat(NPP instance, uint32 timerID);
static void timer_neverfires(NPP instance, uint32 timerID);
static void timer_latency(NPP instance, uint32 timerID);
void BackgroundPlugin::test_timers() {
NPP instance = this->inst();
//Setup the testing counters
mTimerRepeatCount = 5;
mTimerLatencyCount = 5;
// test for bogus timerID
browser->unscheduletimer(instance, 999999);
// test one-shot
browser->scheduletimer(instance, 100, false, timer_oneshot);
// test repeat
browser->scheduletimer(instance, 50, true, timer_repeat);
// test timer latency
browser->scheduletimer(instance, TIMER_INTERVAL, true, timer_latency);
mStartTime = mPrevTime = getMSecs();
// test unschedule immediately
uint32 id = browser->scheduletimer(instance, 100, false, timer_neverfires);
browser->unscheduletimer(instance, id);
// test double unschedule (should be no-op)
browser->unscheduletimer(instance, id);
}
static void timer_oneshot(NPP instance, uint32 timerID) {
gLogI.log(kDebug_ANPLogType, "-------- oneshot timer\n");
}
static void timer_repeat(NPP instance, uint32 timerID) {
BackgroundPlugin *obj = ((BackgroundPlugin*) ((PluginObject*) instance->pdata)->activePlugin);
gLogI.log(kDebug_ANPLogType, "-------- repeat timer %d\n",
obj->mTimerRepeatCount);
if (--obj->mTimerRepeatCount == 0) {
browser->unscheduletimer(instance, timerID);
}
}
static void timer_neverfires(NPP instance, uint32 timerID) {
gLogI.log(kError_ANPLogType, "-------- timer_neverfires!!!\n");
}
static void timer_latency(NPP instance, uint32 timerID) {
BackgroundPlugin *obj = ((BackgroundPlugin*) ((PluginObject*) instance->pdata)->activePlugin);
obj->mTimerLatencyCurrentCount += 1;
uint32_t now = getMSecs();
uint32_t interval = now - obj->mPrevTime;
uint32_t dur = now - obj->mStartTime;
uint32_t expectedDur = obj->mTimerLatencyCurrentCount * TIMER_INTERVAL;
int32_t drift = dur - expectedDur;
int32_t avgDrift = drift / obj->mTimerLatencyCurrentCount;
obj->mPrevTime = now;
gLogI.log(kDebug_ANPLogType,
"-------- latency test: [%3d] interval %d expected %d, total %d expected %d, drift %d avg %d\n",
obj->mTimerLatencyCurrentCount, interval, TIMER_INTERVAL, dur,
expectedDur, drift, avgDrift);
if (--obj->mTimerLatencyCount == 0) {
browser->unscheduletimer(instance, timerID);
}
}
///////////////////////////////////////////////////////////////////////////////
// BITMAP TESTS
///////////////////////////////////////////////////////////////////////////////
static void test_formats(NPP instance);
void BackgroundPlugin::test_bitmaps() {
test_formats(this->inst());
}
static void test_formats(NPP instance) {
// TODO pull names from enum in npapi instead of hardcoding them
static const struct {
ANPBitmapFormat fFormat;
const char* fName;
} gRecs[] = {
{ kUnknown_ANPBitmapFormat, "unknown" },
{ kRGBA_8888_ANPBitmapFormat, "8888" },
{ kRGB_565_ANPBitmapFormat, "565" },
};
ANPPixelPacking packing;
for (size_t i = 0; i < ARRAY_COUNT(gRecs); i++) {
if (gBitmapI.getPixelPacking(gRecs[i].fFormat, &packing)) {
gLogI.log(kDebug_ANPLogType,
"pixel format [%d] %s has packing ARGB [%d %d] [%d %d] [%d %d] [%d %d]\n",
gRecs[i].fFormat, gRecs[i].fName,
packing.AShift, packing.ABits,
packing.RShift, packing.RBits,
packing.GShift, packing.GBits,
packing.BShift, packing.BBits);
} else {
gLogI.log(kDebug_ANPLogType,
"pixel format [%d] %s has no packing\n",
gRecs[i].fFormat, gRecs[i].fName);
}
}
}
void BackgroundPlugin::test_bitmap_transparency(const ANPEvent* evt) {
NPP instance = this->inst();
// check default & set transparent
if (!mFinishedStageOne) {
gLogI.log(kDebug_ANPLogType, "BEGIN: testing bitmap transparency");
//check to make sure it is not transparent
if (evt->data.draw.data.bitmap.format == kRGBA_8888_ANPBitmapFormat) {
gLogI.log(kError_ANPLogType, "bitmap default format is transparent");
}
//make it transparent (any non-null value will set it to true)
bool value = true;
NPError err = browser->setvalue(instance, NPPVpluginTransparentBool, &value);
if (err != NPERR_NO_ERROR) {
gLogI.log(kError_ANPLogType, "Error setting transparency.");
}
mFinishedStageOne = true;
browser->invalidaterect(instance, NULL);
}
// check transparent & set opaque
else if (!mFinishedStageTwo) {
//check to make sure it is transparent
if (evt->data.draw.data.bitmap.format != kRGBA_8888_ANPBitmapFormat) {
gLogI.log(kError_ANPLogType, "bitmap did not change to transparent format");
}
//make it opaque
NPError err = browser->setvalue(instance, NPPVpluginTransparentBool, NULL);
if (err != NPERR_NO_ERROR) {
gLogI.log(kError_ANPLogType, "Error setting transparency.");
}
mFinishedStageTwo = true;
}
// check opaque
else if (!mFinishedStageThree) {
//check to make sure it is not transparent
if (evt->data.draw.data.bitmap.format == kRGBA_8888_ANPBitmapFormat) {
gLogI.log(kError_ANPLogType, "bitmap default format is transparent");
}
gLogI.log(kDebug_ANPLogType, "END: testing bitmap transparency");
mFinishedStageThree = true;
}
}
///////////////////////////////////////////////////////////////////////////////
// DOM TESTS
///////////////////////////////////////////////////////////////////////////////
void BackgroundPlugin::test_domAccess() {
NPP instance = this->inst();
gLogI.log(kDebug_ANPLogType, " ------ %p Testing DOM Access", instance);
// Get the plugin's DOM object
NPObject* windowObject = NULL;
browser->getvalue(instance, NPNVWindowNPObject, &windowObject);
if (!windowObject)
gLogI.log(kError_ANPLogType, " ------ %p Unable to retrieve DOM Window", instance);
// Retrieve a property from the plugin's DOM object
NPIdentifier topIdentifier = browser->getstringidentifier("top");
NPVariant topObjectVariant;
browser->getproperty(instance, windowObject, topIdentifier, &topObjectVariant);
if (topObjectVariant.type != NPVariantType_Object)
gLogI.log(kError_ANPLogType, " ------ %p Invalid Variant type for DOM Property: %d,%d", instance, topObjectVariant.type, NPVariantType_Object);
}
///////////////////////////////////////////////////////////////////////////////
// JAVASCRIPT TESTS
///////////////////////////////////////////////////////////////////////////////
void BackgroundPlugin::test_javascript() {
NPP instance = this->inst();
gLogI.log(kDebug_ANPLogType, " ------ %p Testing JavaScript Access", instance);
// Get the plugin's DOM object
NPObject* windowObject = NULL;
browser->getvalue(instance, NPNVWindowNPObject, &windowObject);
if (!windowObject)
gLogI.log(kError_ANPLogType, " ------ %p Unable to retrieve DOM Window", instance);
// create a string (JS code) that is stored in memory allocated by the browser
const char* jsString = "1200 + 34";
void* stringMem = browser->memalloc(strlen(jsString));
memcpy(stringMem, jsString, strlen(jsString));
// execute the javascript in the plugin's DOM object
NPString script = { (char*)stringMem, strlen(jsString) };
NPVariant scriptVariant;
if (!browser->evaluate(instance, windowObject, &script, &scriptVariant))
gLogI.log(kError_ANPLogType, " ------ %p Unable to eval the JS.", instance);
if (scriptVariant.type == NPVariantType_Int32) {
if (scriptVariant.value.intValue != 1234)
gLogI.log(kError_ANPLogType, " ------ %p Invalid Value for JS Return: %d,1234", instance, scriptVariant.value.intValue);
} else {
gLogI.log(kError_ANPLogType, " ------ %p Invalid Variant type for JS Return: %d,%d", instance, scriptVariant.type, NPVariantType_Int32);
}
// free the memory allocated within the browser
browser->memfree(stringMem);
}
///////////////////////////////////////////////////////////////////////////////
// Load Java Classes Tests
///////////////////////////////////////////////////////////////////////////////
void BackgroundPlugin::test_loadJavaClass() {
JNIEnv* env = NULL;
if (gVM->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
gLogI.log(kError_ANPLogType, " ---- LoadJavaTest: failed to get env");
return;
}
const char* className = "com.android.sampleplugin.BackgroundTest";
jclass backgroundClass = gSystemI.loadJavaClass(inst(), className);
if(!backgroundClass) {
gLogI.log(kError_ANPLogType, " ---- LoadJavaTest: failed to load class");
return;
}
jmethodID constructor = env->GetMethodID(backgroundClass, "<init>", "()V");
jmethodID addMethod = env->GetMethodID(backgroundClass, "addInt", "(II)I");
jobject backgroundObject = env->NewObject(backgroundClass, constructor);
if(!backgroundObject) {
gLogI.log(kError_ANPLogType, " ---- LoadJavaTest: failed to construct object");
return;
}
jint result = env->CallIntMethod(backgroundObject, addMethod, 2, 2);
if (result != 4) {
gLogI.log(kError_ANPLogType, " ---- LoadJavaTest: invalid result (%d != 4)", result);
}
}