void AudioPlugin::handleTouch(int x, int y) {
NPP instance = this->inst();
// if the track is null then return
if (NULL == m_soundPlay->track) {
gLogI.log(kError_ANPLogType, "---- %p unable to create track",
instance);
return;
}
// check to make sure the currentRect matches the activeRect
ANPRectF* currentRect = validTouch(x,y);
if (m_activeTouchRect != currentRect)
return;
if (currentRect == &m_playRect) {
gLogI.log(kDebug_ANPLogType, "---- %p starting track (%d)",
m_soundPlay->track, gSoundI.isStopped(m_soundPlay->track));
if (gSoundI.isStopped(m_soundPlay->track)) {
gSoundI.start(m_soundPlay->track);
}
}
else if (currentRect == &m_pauseRect) {
gLogI.log(kDebug_ANPLogType, "---- %p pausing track (%d)",
m_soundPlay->track, gSoundI.isStopped(m_soundPlay->track));
if (!gSoundI.isStopped(m_soundPlay->track)) {
gSoundI.pause(m_soundPlay->track);
}
}
else if (currentRect == &m_stopRect) {
gLogI.log(kDebug_ANPLogType, "---- %p stopping track (%d)",
m_soundPlay->track, gSoundI.isStopped(m_soundPlay->track));
if (!gSoundI.isStopped(m_soundPlay->track)) {
gSoundI.stop(m_soundPlay->track);
}
if (m_soundPlay->file) {
fseek(m_soundPlay->file, 0, SEEK_SET);
}
}
else {
gLogI.log(kDebug_ANPLogType, "---- touch x:%d, y:%d ", x, y);
return;
}
// set the currentRect to be the activeRect
m_activeRect = currentRect;
inval(instance);
}
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;
// TODO need to notify our main thread to delete the track now
}
if (play->fileSize > 0) {
// TODO we need to properly update the progress value
play->progress = 1;
inval(play->instance);
}
break;
}
default:
break;
}
}
AudioPlugin::~AudioPlugin() {
gPaintI.deletePaint(m_paintTrack);
gPaintI.deletePaint(m_paintRect);
gPaintI.deletePaint(m_paintText);
gPaintI.deletePaint(m_paintTrackProgress);
gPaintI.deletePaint(m_paintActiveRect);
if(m_soundPlay->track)
gSoundI.deleteTrack(m_soundPlay->track);
delete m_soundPlay;
}
AudioPlugin::AudioPlugin(NPP inst) : SubPlugin(inst) {
const char path[] = "/sdcard/sample.raw";
// open a file stream
FILE* f = fopen(path, "r");
gLogI.log(inst, kDebug_ANPLogType, "--- path %s FILE %p", path, f);
// setup our private audio struct's default values
m_soundPlay = new SoundPlay;
m_soundPlay->instance = inst;
m_soundPlay->progress = 0;
m_soundPlay->fileSize = 0;
m_soundPlay->file = f;
m_soundPlay->track = NULL;
// create the audio track
if (f) {
m_soundPlay->track = gSoundI.newTrack(44100, kPCM16Bit_ANPSampleFormat, 2, audioCallback, m_soundPlay);
if (!m_soundPlay->track) {
fclose(f);
m_soundPlay->file = NULL;
}
}
// get the audio file's size
int fileDescriptor = open(path, O_RDONLY);
struct stat fileStatus;
if(fileDescriptor <= 0) {
gLogI.log(inst, kError_ANPLogType, "fopen error");
}
else if (fstat(fileDescriptor, &fileStatus) != 0) {
gLogI.log(inst, kDebug_ANPLogType, "File Size: %d", fileStatus.st_size);
m_soundPlay->fileSize = fileStatus.st_size;
} else {
gLogI.log(inst, kError_ANPLogType, "fstat error");
}
// configure the UI elements
m_activeTouch = false;
memset(&m_trackRect, 0, sizeof(m_trackRect));
memset(&m_playRect, 0, sizeof(m_playRect));
memset(&m_pauseRect, 0, sizeof(m_pauseRect));
memset(&m_stopRect, 0, sizeof(m_stopRect));
m_paintTrack = gPaintI.newPaint();
gPaintI.setFlags(m_paintTrack, gPaintI.getFlags(m_paintTrack) | kAntiAlias_ANPPaintFlag);
gPaintI.setColor(m_paintTrack, 0xFFC0C0C0);
m_paintRect = gPaintI.newPaint();
gPaintI.setFlags(m_paintRect, gPaintI.getFlags(m_paintRect) | kAntiAlias_ANPPaintFlag);
gPaintI.setColor(m_paintRect, 0xFFA8A8A8);
m_paintText = gPaintI.newPaint();
gPaintI.setFlags(m_paintText, gPaintI.getFlags(m_paintText) | kAntiAlias_ANPPaintFlag);
gPaintI.setColor(m_paintText, 0xFF2F4F4F);
gPaintI.setTextSize(m_paintText, 18);
m_paintTrackProgress = gPaintI.newPaint();
gPaintI.setFlags(m_paintTrackProgress, gPaintI.getFlags(m_paintTrackProgress) | kAntiAlias_ANPPaintFlag);
gPaintI.setColor(m_paintTrackProgress, 0xFF545454);
m_paintActiveRect = gPaintI.newPaint();
gPaintI.setFlags(m_paintActiveRect, gPaintI.getFlags(m_paintActiveRect) | kAntiAlias_ANPPaintFlag);
gPaintI.setColor(m_paintActiveRect, 0xFF545454);
ANPTypeface* tf = gTypefaceI.createFromName("serif", kItalic_ANPTypefaceStyle);
gPaintI.setTypeface(m_paintText, tf);
gTypefaceI.unref(tf);
//register for touch events
ANPEventFlags flags = kTouch_ANPEventFlag;
NPError err = browser->setvalue(inst, kAcceptEvents_ANPSetValue, &flags);
if (err != NPERR_NO_ERROR) {
gLogI.log(inst, kError_ANPLogType, "Error selecting input events.");
}
}
