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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_EXTERNAL_REGISTRY_LOADER_WIN_H_
#define CHROME_BROWSER_EXTENSIONS_EXTERNAL_REGISTRY_LOADER_WIN_H_
#include "base/task/sequenced_task_runner.h"
#include "base/values.h"
#include "base/win/registry.h"
#include "chrome/browser/extensions/external_loader.h"
namespace extensions {
class ExternalRegistryLoader : public ExternalLoader {
public:
ExternalRegistryLoader();
ExternalRegistryLoader(const ExternalRegistryLoader&) = delete;
ExternalRegistryLoader& operator=(const ExternalRegistryLoader&) = delete;
protected:
~ExternalRegistryLoader() override; // protected for unit test.
void StartLoading() override;
// Overridden to mock registry reading in unit tests.
virtual base::Value::Dict LoadPrefsOnBlockingThread();
private:
friend class base::RefCountedThreadSafe<ExternalLoader>;
void LoadOnBlockingThread();
void CompleteLoadAndStartWatchingRegistry(base::Value::Dict prefs);
void UpatePrefsOnBlockingThread();
void OnRegistryKeyChanged(base::win::RegKey* key);
scoped_refptr<base::SequencedTaskRunner> GetOrCreateTaskRunner();
// Whether or not we attempted to observe registry.
bool attempted_watching_registry_;
base::win::RegKey hklm_key_;
base::win::RegKey hkcu_key_;
// Task runner where registry keys are read.
scoped_refptr<base::SequencedTaskRunner> task_runner_;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_EXTERNAL_REGISTRY_LOADER_WIN_H_
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