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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "VolumeServiceIOThread.h"
#include "base/message_loop.h"
#include "nsVolumeService.h"
#include "nsXULAppAPI.h"
#include "Volume.h"
#include "VolumeManager.h"
namespace mozilla {
namespace system {
VolumeServiceIOThread::VolumeServiceIOThread(nsVolumeService* aVolumeService)
: mVolumeService(aVolumeService)
{
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
VolumeManager::RegisterStateObserver(this);
Volume::RegisterVolumeObserver(this, "VolumeServiceIOThread");
UpdateAllVolumes();
}
VolumeServiceIOThread::~VolumeServiceIOThread()
{
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
Volume::UnregisterVolumeObserver(this, "VolumeServiceIOThread");
VolumeManager::UnregisterStateObserver(this);
}
void
VolumeServiceIOThread::Notify(Volume* const & aVolume)
{
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
if (VolumeManager::State() != VolumeManager::VOLUMES_READY) {
return;
}
mVolumeService->UpdateVolumeIOThread(aVolume);
}
void
VolumeServiceIOThread::Notify(const VolumeManager::StateChangedEvent& aEvent)
{
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
UpdateAllVolumes();
}
void
VolumeServiceIOThread::UpdateAllVolumes()
{
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
if (VolumeManager::State() != VolumeManager::VOLUMES_READY) {
return;
}
VolumeManager::VolumeArray::size_type numVolumes = VolumeManager::NumVolumes();
VolumeManager::VolumeArray::index_type volIndex;
for (volIndex = 0; volIndex < numVolumes; volIndex++) {
RefPtr<Volume> vol = VolumeManager::GetVolume(volIndex);
mVolumeService->UpdateVolumeIOThread(vol);
}
}
static StaticRefPtr<VolumeServiceIOThread> sVolumeServiceIOThread;
void
InitVolumeServiceIOThread(nsVolumeService* const & aVolumeService)
{
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
sVolumeServiceIOThread = new VolumeServiceIOThread(aVolumeService);
}
void
ShutdownVolumeServiceIOThread()
{
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
sVolumeServiceIOThread = nullptr;
}
} // system
} // mozilla
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