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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_DIAGNOSTICS_DIAGNOSTICS_CONTROLLER_H_
#define CHROME_BROWSER_DIAGNOSTICS_DIAGNOSTICS_CONTROLLER_H_
#include "base/memory/scoped_ptr.h"
#include "base/memory/singleton.h"
class CommandLine;
namespace diagnostics {
class DiagnosticsWriter;
class DiagnosticsModel;
class DiagnosticsController {
public:
static DiagnosticsController* GetInstance();
// Entry point for the diagnostics mode. Returns zero if able to run
// diagnostics successfully, regardless of the results of the diagnostics.
int Run(const CommandLine& command_line, DiagnosticsWriter* writer);
// Entry point for running recovery based on diagnostics that have already
// been run. In order for this to do anything, Run() must be executed first.
int RunRecovery(const CommandLine& command_line, DiagnosticsWriter* writer);
// Returns a model with the results that have accumulated. They can then be
// queried for their attributes for human consumption later.
const DiagnosticsModel& GetResults() const;
// Returns true if there are any results available.
bool HasResults();
// Clears any results that have accumulated. After calling this, do not call
// GetResults until after Run is called again.
void ClearResults();
// Records UMA statistics indicating that a regular Chrome startup happened,
// with no diagnostics or recovery being run. This is necessary to provide a
// denominator for the diagnostics metrics.
void RecordRegularStartup();
private:
friend struct DefaultSingletonTraits<DiagnosticsController>;
DiagnosticsController();
~DiagnosticsController();
scoped_ptr<DiagnosticsModel> model_;
DiagnosticsWriter* writer_;
DISALLOW_COPY_AND_ASSIGN(DiagnosticsController);
};
} // namespace diagnostics
#endif // CHROME_BROWSER_DIAGNOSTICS_DIAGNOSTICS_CONTROLLER_H_
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