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// Copyright 2014 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.
#ifndef COMPONENTS_FEEDBACK_FEEDBACK_UPLOADER_FACTORY_H_
#define COMPONENTS_FEEDBACK_FEEDBACK_UPLOADER_FACTORY_H_
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
namespace base {
template<typename T> struct DefaultSingletonTraits;
class SingleThreadTaskRunner;
}
namespace content {
class BrowserContext;
}
namespace feedback {
class FeedbackUploader;
// Singleton that owns the FeedbackUploaders and associates them with profiles;
class FeedbackUploaderFactory : public BrowserContextKeyedServiceFactory {
public:
// Returns singleton instance of FeedbackUploaderFactory.
static FeedbackUploaderFactory* GetInstance();
// Returns the Feedback Uploader associated with |context|.
static FeedbackUploader* GetForBrowserContext(
content::BrowserContext* context);
// Creates a new SingleThreadTaskRunner that is used to run feedback blocking
// background work. Tests can use this to create the exact same type of runner
// that's actually used in production code to simulate the same behavior.
static scoped_refptr<base::SingleThreadTaskRunner> CreateUploaderTaskRunner();
private:
friend struct base::DefaultSingletonTraits<FeedbackUploaderFactory>;
FeedbackUploaderFactory();
~FeedbackUploaderFactory() override;
// BrowserContextKeyedServiceFactory overrides:
KeyedService* BuildServiceInstanceFor(
content::BrowserContext* context) const override;
content::BrowserContext* GetBrowserContextToUse(
content::BrowserContext* context) const override;
// The task runner used to handle all blocking background feedback-reports
// work. It involves reading / writing reports from / to disk. Those
// operations must not interleave and thread affinity is required.
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
DISALLOW_COPY_AND_ASSIGN(FeedbackUploaderFactory);
};
} // namespace feedback
#endif // COMPONENTS_FEEDBACK_FEEDBACK_UPLOADER_FACTORY_H_