mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
136 lines
4.2 KiB
C++
136 lines
4.2 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
|
|
/* vim: set ts=2 et sw=2 tw=80: */
|
|
/* 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 "MozMtpStorage.h"
|
|
#include "MozMtpDatabase.h"
|
|
#include "MozMtpServer.h"
|
|
|
|
#include "base/message_loop.h"
|
|
#include "nsXULAppAPI.h"
|
|
|
|
BEGIN_MTP_NAMESPACE
|
|
using namespace android;
|
|
|
|
MozMtpStorage::MozMtpStorage(Volume* aVolume, MozMtpServer* aMozMtpServer)
|
|
: mMozMtpServer(aMozMtpServer),
|
|
mVolume(aVolume)
|
|
{
|
|
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
|
|
|
|
// The MtpStorageID has the physical volume in the top 16 bits, and the
|
|
// logical volumein the lower 16 bits. We treat each volume as a separate
|
|
// phsyical storage;
|
|
mStorageID = mVolume->Id() << 16 | 1;
|
|
|
|
MTP_LOG("Storage constructed for Volume %s mStorageID 0x%08x",
|
|
aVolume->NameStr(), mStorageID);
|
|
|
|
Volume::RegisterVolumeObserver(this, "MozMtpStorage");
|
|
|
|
// Get things in sync
|
|
Notify(mVolume);
|
|
}
|
|
|
|
MozMtpStorage::~MozMtpStorage()
|
|
{
|
|
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
|
|
|
|
MTP_LOG("Storage destructed for Volume %s mStorageID 0x%08x",
|
|
mVolume->NameStr(), mStorageID);
|
|
|
|
Volume::UnregisterVolumeObserver(this, "MozMtpStorage");
|
|
if (mMtpStorage) {
|
|
StorageUnavailable();
|
|
}
|
|
}
|
|
|
|
// virtual
|
|
void
|
|
MozMtpStorage::Notify(Volume* const& aVolume)
|
|
{
|
|
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
|
|
|
|
if (aVolume != mVolume) {
|
|
// Not our volume
|
|
return;
|
|
}
|
|
Volume::STATE volState = aVolume->State();
|
|
|
|
MTP_LOG("Volume %s mStorageID 0x%08x state changed to %s SharingEnabled: %d",
|
|
aVolume->NameStr(), mStorageID, aVolume->StateStr(),
|
|
aVolume->IsSharingEnabled());
|
|
|
|
// vol->IsSharingEnabled really only applies to UMS volumes. We assume that
|
|
// that as long as MTP is enabled, then all volumes will be shared. The UI
|
|
// currently doesn't give us anything more granular than on/off.
|
|
|
|
if (mMtpStorage) {
|
|
if (volState != nsIVolume::STATE_MOUNTED) {
|
|
// The volume is no longer accessible. We need to remove this storage
|
|
// from the MTP server
|
|
StorageUnavailable();
|
|
}
|
|
} else {
|
|
if (volState == nsIVolume::STATE_MOUNTED) {
|
|
// The volume is accessible. Tell the MTP server.
|
|
StorageAvailable();
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
MozMtpStorage::StorageAvailable()
|
|
{
|
|
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
|
|
|
|
nsCString mountPoint = mVolume->MountPoint();
|
|
|
|
MTP_LOG("Adding Volume %s mStorageID 0x%08x mountPoint %s to MozMtpDatabase",
|
|
mVolume->NameStr(), mStorageID, mountPoint.get());
|
|
|
|
RefPtr<MozMtpDatabase> db = mMozMtpServer->GetMozMtpDatabase();
|
|
db->AddStorage(mStorageID, mountPoint.get(), mVolume->NameStr());
|
|
|
|
MOZ_ASSERT(!mMtpStorage);
|
|
|
|
//TODO: Figure out what to do about maxFileSize.
|
|
|
|
mMtpStorage.reset(new MtpStorage(mStorageID, // id
|
|
mountPoint.get(), // filePath
|
|
mVolume->NameStr(), // description
|
|
1024uLL * 1024uLL, // reserveSpace
|
|
mVolume->IsHotSwappable(), // removable
|
|
2uLL * 1024uLL * 1024uLL * 1024uLL)); // maxFileSize
|
|
RefPtr<RefCountedMtpServer> server = mMozMtpServer->GetMtpServer();
|
|
|
|
MTP_LOG("Adding Volume %s mStorageID 0x%08x mountPoint %s to MtpServer",
|
|
mVolume->NameStr(), mStorageID, mountPoint.get());
|
|
server->addStorage(mMtpStorage.get());
|
|
}
|
|
|
|
void
|
|
MozMtpStorage::StorageUnavailable()
|
|
{
|
|
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
|
|
MOZ_ASSERT(mMtpStorage);
|
|
|
|
MTP_LOG("Removing mStorageID 0x%08x from MtpServer", mStorageID);
|
|
|
|
RefPtr<RefCountedMtpServer> server = mMozMtpServer->GetMtpServer();
|
|
server->removeStorage(mMtpStorage.get());
|
|
|
|
MTP_LOG("Removing mStorageID 0x%08x from MozMtpDatabse", mStorageID);
|
|
|
|
RefPtr<MozMtpDatabase> db = mMozMtpServer->GetMozMtpDatabase();
|
|
db->RemoveStorage(mStorageID);
|
|
|
|
mMtpStorage = nullptr;
|
|
}
|
|
|
|
END_MTP_NAMESPACE
|
|
|
|
|