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// Copyright (c) 2011 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_EXTENSION_ERROR_REPORTER_H_
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_ERROR_REPORTER_H_
#include <string>
#include <vector>
#include "base/strings/string16.h"
namespace base {
class MessageLoop;
}
// Exposes an easy way for the various components of the extension system to
// report errors. This is a singleton that lives on the UI thread, with the
// exception of ReportError() which may be called from any thread.
// TODO(aa): Hook this up to about:extensions, when we have about:extensions.
// TODO(aa): Consider exposing directly, or via a helper, to the renderer
// process and plumbing the errors out to the browser.
// TODO(aa): Add ReportError(extension_id, message, be_noisy), so that we can
// report errors that are specific to a particular extension.
class ExtensionErrorReporter {
public:
// Initializes the error reporter. Must be called before any other methods
// and on the UI thread.
static void Init(bool enable_noisy_errors);
// Get the singleton instance.
static ExtensionErrorReporter* GetInstance();
// Report an error. Errors always go to VLOG(1). Optionally, they can also
// cause a noisy alert box.
//
// If |user_response| is non-NULL and |be_noisy| is true (and the
// ErrorReporter hasn't turned off noisy errors), the user will be asked if
// they want to retry and the answer noted in |user_response|.
void ReportError(const base::string16& message,
bool be_noisy,
bool* user_response);
// Get the errors that have been reported so far.
const std::vector<base::string16>* GetErrors();
// Clear the list of errors reported so far.
void ClearErrors();
private:
static ExtensionErrorReporter* instance_;
explicit ExtensionErrorReporter(bool enable_noisy_errors);
~ExtensionErrorReporter();
base::MessageLoop* ui_loop_;
std::vector<base::string16> errors_;
bool enable_noisy_errors_;
};
#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_ERROR_REPORTER_H_
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