void
VolumeControl::AttachedToWindow()
{
BSlider::AttachedToWindow();
if (_IsReplicant())
SetEventMask(0, 0);
else
SetEventMask(B_POINTER_EVENTS, B_NO_POINTER_HISTORY);
be_roster->StartWatching(this, B_REQUEST_LAUNCHED | B_REQUEST_QUIT);
_ConnectVolume();
if (!fMixerControl->Connected()) {
// Wait a bit, and try again - the media server might not have been
// ready yet
BMessage reconnect(kMsgReconnectVolume);
BMessageRunner::StartSending(this, &reconnect, 1000000LL, 1);
fConnectRetries = 3;
}
}
void
VolumeControl::MessageReceived(BMessage* msg)
{
switch (msg->what) {
case B_MOUSE_WHEEL_CHANGED:
{
if (!fMixerControl->Connected())
return;
// Even though the volume bar is horizontal, we use the more common
// vertical mouse wheel change
float deltaY = 0.0f;
msg->FindFloat("be:wheel_delta_y", &deltaY);
if (deltaY == 0.0f)
return;
int32 currentValue = Value();
int32 newValue = currentValue - int32(deltaY) * 3;
if (newValue != currentValue) {
SetValue(newValue);
InvokeNotify(ModificationMessage(), B_CONTROL_MODIFIED);
}
break;
}
case B_MEDIA_NEW_PARAMETER_VALUE:
if (IsTracking())
break;
SetValue((int32)fMixerControl->Volume());
break;
case B_SOME_APP_LAUNCHED:
case B_SOME_APP_QUIT:
{
const char* signature;
if (msg->FindString("be:signature", &signature) != B_OK)
break;
bool isMediaServer = !strcmp(signature, kMediaServerSignature);
bool isAddOnServer = !strcmp(signature, kAddOnServerSignature);
if (!isMediaServer && !isAddOnServer)
break;
if (isMediaServer)
fMediaServerRunning = msg->what == B_SOME_APP_LAUNCHED;
if (isAddOnServer)
fAddOnServerRunning = msg->what == B_SOME_APP_LAUNCHED;
if (!fMediaServerRunning && !fAddOnServerRunning) {
// No media server around
SetLabel(B_TRANSLATE("No media server running"));
SetEnabled(false);
} else if (fMediaServerRunning && fAddOnServerRunning) {
// HACK!
// quit our now invalid instance of the media roster
// so that before new nodes are created,
// we get a new roster
BMediaRoster* roster = BMediaRoster::CurrentRoster();
if (roster != NULL) {
roster->Lock();
roster->Quit();
}
BMessage reconnect(kMsgReconnectVolume);
BMessageRunner::StartSending(this, &reconnect, 1000000LL, 1);
fConnectRetries = 3;
}
break;
}
case B_QUIT_REQUESTED:
Window()->MessageReceived(msg);
break;
case kMsgReconnectVolume:
_ConnectVolume();
if (!fMixerControl->Connected() && --fConnectRetries > 1) {
BMessage reconnect(kMsgReconnectVolume);
BMessageRunner::StartSending(this, &reconnect,
6000000LL / fConnectRetries, 1);
}
break;
default:
return BView::MessageReceived(msg);
}
}
void
VolumeControl::MessageReceived(BMessage* msg)
{
switch (msg->what) {
case B_MOUSE_WHEEL_CHANGED:
{
if (!fMixerControl->Connected())
return;
// Even though the volume bar is horizontal, we use the more common
// vertical mouse wheel change
float deltaY = 0.0f;
msg->FindFloat("be:wheel_delta_y", &deltaY);
if (deltaY == 0.0f)
return;
int32 currentValue = Value();
int32 newValue = currentValue - int32(deltaY) * 3;
if (newValue != currentValue) {
SetValue(newValue);
InvokeNotify(ModificationMessage(), B_CONTROL_MODIFIED);
}
break;
}
case B_MEDIA_NEW_PARAMETER_VALUE:
if (IsTracking())
break;
SetValue((int32)fMixerControl->Volume());
break;
case B_MEDIA_SERVER_STARTED:
{
BMessage reconnect(kMsgReconnectVolume);
BMessageRunner::StartSending(this, &reconnect, 1000000LL, 1);
fConnectRetries = 3;
break;
}
case B_MEDIA_SERVER_QUIT:
{
// No media server around
SetLabel(B_TRANSLATE("No media server running"));
SetEnabled(false);
break;
}
case B_QUIT_REQUESTED:
Window()->MessageReceived(msg);
break;
case kMsgReconnectVolume:
_ConnectVolume();
if (!fMixerControl->Connected() && --fConnectRetries > 1) {
BMessage reconnect(kMsgReconnectVolume);
BMessageRunner::StartSending(this, &reconnect,
6000000LL / fConnectRetries, 1);
}
break;
default:
return BView::MessageReceived(msg);
}
}
