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Remove unused code for managing physical audio devices.

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This was only used in B2G/Gonk and can go.
This commit is contained in:
Gabriele Svelto 2018-06-11 00:22:56 +02:00 • committed by Roy Tam
commit 7f6182b5a3
7 changed files with 0 additions and 273 deletions
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90
hal/Hal.cpp
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@ -754,96 +754,6 @@ UnlockScreenOrientation()
PROXY_IF_SANDBOXED(UnlockScreenOrientation());
}
void
EnableSwitchNotifications(SwitchDevice aDevice) {
AssertMainThread();
PROXY_IF_SANDBOXED(EnableSwitchNotifications(aDevice));
}
void
DisableSwitchNotifications(SwitchDevice aDevice) {
AssertMainThread();
PROXY_IF_SANDBOXED(DisableSwitchNotifications(aDevice));
}
SwitchState GetCurrentSwitchState(SwitchDevice aDevice)
{
AssertMainThread();
RETURN_PROXY_IF_SANDBOXED(GetCurrentSwitchState(aDevice), SWITCH_STATE_UNKNOWN);
}
void NotifySwitchStateFromInputDevice(SwitchDevice aDevice, SwitchState aState)
{
AssertMainThread();
PROXY_IF_SANDBOXED(NotifySwitchStateFromInputDevice(aDevice, aState));
}
typedef mozilla::ObserverList<SwitchEvent> SwitchObserverList;
static SwitchObserverList *sSwitchObserverLists = nullptr;
static SwitchObserverList&
GetSwitchObserverList(SwitchDevice aDevice) {
MOZ_ASSERT(0 <= aDevice && aDevice < NUM_SWITCH_DEVICE);
if (sSwitchObserverLists == nullptr) {
sSwitchObserverLists = new SwitchObserverList[NUM_SWITCH_DEVICE];
}
return sSwitchObserverLists[aDevice];
}
static void
ReleaseObserversIfNeeded() {
for (int i = 0; i < NUM_SWITCH_DEVICE; i++) {
if (sSwitchObserverLists[i].Length() != 0)
return;
}
//The length of every list is 0, no observer in the list.
delete [] sSwitchObserverLists;
sSwitchObserverLists = nullptr;
}
void
RegisterSwitchObserver(SwitchDevice aDevice, SwitchObserver *aObserver)
{
AssertMainThread();
SwitchObserverList& observer = GetSwitchObserverList(aDevice);
observer.AddObserver(aObserver);
if (observer.Length() == 1) {
EnableSwitchNotifications(aDevice);
}
}
void
UnregisterSwitchObserver(SwitchDevice aDevice, SwitchObserver *aObserver)
{
AssertMainThread();
if (!sSwitchObserverLists) {
return;
}
SwitchObserverList& observer = GetSwitchObserverList(aDevice);
if (!observer.RemoveObserver(aObserver) || observer.Length() > 0) {
return;
}
DisableSwitchNotifications(aDevice);
ReleaseObserversIfNeeded();
}
void
NotifySwitchChange(const SwitchEvent& aEvent)
{
// When callback this notification, main thread may call unregister function
// first. We should check if this pointer is valid.
if (!sSwitchObserverLists)
return;
SwitchObserverList& observer = GetSwitchObserverList(aEvent.device());
observer.Broadcast(aEvent);
}
static AlarmObserver* sAlarmObserver;
bool