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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/cros/update_library.h"
#include "base/message_loop.h"
#include "base/string_util.h"
#include "chrome/browser/chrome_thread.h"
#include "chrome/browser/chromeos/cros/cros_library.h"
// Allows InvokeLater without adding refcounting. This class is a Singleton and
// won't be deleted until it's last InvokeLater is run.
DISABLE_RUNNABLE_METHOD_REFCOUNT(chromeos::UpdateLibraryImpl);
namespace chromeos {
UpdateLibraryImpl::UpdateLibraryImpl()
: status_connection_(NULL) {
if (CrosLibrary::Get()->EnsureLoaded()) {
Init();
}
}
UpdateLibraryImpl::~UpdateLibraryImpl() {
if (status_connection_) {
DisconnectUpdateProgress(status_connection_);
}
}
void UpdateLibraryImpl::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void UpdateLibraryImpl::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
const UpdateLibrary::Status& UpdateLibraryImpl::status() const {
return status_;
}
// static
void UpdateLibraryImpl::ChangedHandler(void* object,
const UpdateProgress& status) {
UpdateLibraryImpl* power = static_cast<UpdateLibraryImpl*>(object);
power->UpdateStatus(Status(status));
}
void UpdateLibraryImpl::Init() {
status_connection_ = MonitorUpdateStatus(&ChangedHandler, this);
}
void UpdateLibraryImpl::UpdateStatus(const Status& status) {
// Make sure we run on UI thread.
if (!ChromeThread::CurrentlyOn(ChromeThread::UI)) {
ChromeThread::PostTask(
ChromeThread::UI, FROM_HERE,
NewRunnableMethod(this, &UpdateLibraryImpl::UpdateStatus, status));
return;
}
status_ = status;
FOR_EACH_OBSERVER(Observer, observers_, Changed(this));
}
} // namespace chromeos
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