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// Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_API_FEEDBACK_PRIVATE_FEEDBACK_SERVICE_H_
#define CHROME_BROWSER_EXTENSIONS_API_FEEDBACK_PRIVATE_FEEDBACK_SERVICE_H_
#include <vector>
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/memory/linked_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/extensions/blob_reader.h"
#include "chrome/browser/feedback/system_logs/scrubbed_system_logs_fetcher.h"
#include "chrome/common/extensions/api/feedback_private.h"
#include "components/feedback/feedback_data.h"
class Profile;
using extensions::api::feedback_private::SystemInformation;
namespace extensions {
typedef std::vector<linked_ptr<SystemInformation> > SystemInformationList;
class FeedbackService {
public:
typedef base::Callback<void(bool)> SendFeedbackCallback;
typedef base::Callback<void(const SystemInformationList& sys_info)>
GetSystemInformationCallback;
// Creates a platform-specific FeedbackService instance.
static FeedbackService* CreateInstance();
virtual ~FeedbackService();
// Sends a feedback report.
void SendFeedback(Profile* profile,
scoped_refptr<feedback::FeedbackData> feedback_data,
const SendFeedbackCallback& callback);
// Start to gather system information.
// The |callback| will be invoked once the query is completed.
void GetSystemInformation(const GetSystemInformationCallback& callback);
// Platform specific methods:
// Gets the email address of the logged in user.
virtual std::string GetUserEmail() = 0;
// Gets the histograms in JSON.
virtual void GetHistograms(std::string* histograms) = 0;
protected:
FeedbackService();
// Used to get a weak ptr for a derived class instance.
virtual base::WeakPtr<FeedbackService> GetWeakPtr() = 0;
// Callbacks to receive blob data.
void AttachedFileCallback(scoped_ptr<std::string> data,
int64 total_blob_length);
void ScreenshotCallback(scoped_ptr<std::string> data,
int64 total_blob_length);
// Checks if we have read all the blobs we need to; signals the feedback
// data object once all the requisite data has been populated.
void CompleteSendFeedback();
private:
void OnSystemLogsFetchComplete(
scoped_ptr<system_logs::SystemLogsResponse> sys_info);
GetSystemInformationCallback system_information_callback_;
SendFeedbackCallback send_feedback_callback_;
scoped_refptr<feedback::FeedbackData> feedback_data_;
DISALLOW_COPY_AND_ASSIGN(FeedbackService);
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_FEEDBACK_PRIVATE_FEEDBACK_SERVICE_H_
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