gecko-dev/toolkit/xre/ProfileReset.h

84 строки
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsToolkitProfileService.h"
#include "nsIFile.h"
#include "nsThreadUtils.h"
static bool gProfileResetCleanupCompleted = false;
static const char kResetProgressURL[] =
"chrome://global/content/resetProfileProgress.xul";
nsresult ProfileResetCleanup(nsToolkitProfileService* aService,
nsIToolkitProfile* aOldProfile);
class ProfileResetCleanupResultTask : public mozilla::Runnable {
public:
ProfileResetCleanupResultTask()
: mozilla::Runnable("ProfileResetCleanupResultTask"),
mWorkerThread(do_GetCurrentThread()) {
MOZ_ASSERT(!NS_IsMainThread());
}
NS_IMETHOD Run() override {
MOZ_ASSERT(NS_IsMainThread());
mWorkerThread->Shutdown();
return NS_OK;
}
private:
nsCOMPtr<nsIThread> mWorkerThread;
};
class ProfileResetCleanupAsyncTask : public mozilla::Runnable {
public:
ProfileResetCleanupAsyncTask(nsIFile* aProfileDir, nsIFile* aProfileLocalDir,
nsIFile* aTargetDir, const nsAString& aLeafName)
: mozilla::Runnable("ProfileResetCleanupAsyncTask"),
mProfileDir(aProfileDir),
mProfileLocalDir(aProfileLocalDir),
mTargetDir(aTargetDir),
mLeafName(aLeafName) {}
/**
* Copy a root profile to a backup folder before deleting it. Then delete the
* local profile dir.
*/
NS_IMETHOD Run() override {
// Copy profile's files to the destination. The profile folder will be
// removed after the changes to the known profiles have been flushed to disk
// in nsToolkitProfileService::ApplyResetProfile which isn't called until
// after this thread finishes copying the files.
nsresult rv = mProfileDir->CopyToFollowingLinks(mTargetDir, mLeafName);
// I guess we just warn if we fail to make the backup?
if (NS_WARN_IF(NS_FAILED(rv))) {
NS_WARNING("Could not backup the root profile directory");
}
// If we have a separate local cache profile directory, just delete it.
// Don't return an error if this fails so that reset can proceed if it can't
// be deleted.
bool sameDir;
nsresult rvLocal = mProfileDir->Equals(mProfileLocalDir, &sameDir);
if (NS_SUCCEEDED(rvLocal) && !sameDir) {
rvLocal = mProfileLocalDir->Remove(true);
if (NS_FAILED(rvLocal)) {
NS_WARNING("Could not remove the old local profile directory (cache)");
}
}
gProfileResetCleanupCompleted = true;
nsCOMPtr<nsIRunnable> resultRunnable = new ProfileResetCleanupResultTask();
NS_DispatchToMainThread(resultRunnable);
return NS_OK;
}
private:
nsCOMPtr<nsIFile> mProfileDir;
nsCOMPtr<nsIFile> mProfileLocalDir;
nsCOMPtr<nsIFile> mTargetDir;
nsString mLeafName;
};