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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 CHROME_BROWSER_EXTENSIONS_ACTIVE_INSTALL_DATA_H_
#define CHROME_BROWSER_EXTENSIONS_ACTIVE_INSTALL_DATA_H_
#include <string>
#include "base/macros.h"
#include "base/scoped_observer.h"
#include "chrome/browser/extensions/install_observer.h"
namespace extensions {
class InstallTracker;
// Details of an active extension install.
struct ActiveInstallData {
public:
ActiveInstallData();
explicit ActiveInstallData(const std::string& extension_id);
std::string extension_id;
int percent_downloaded;
};
// Registers and deregisters and an active extension install with the
// InstallTracker.
class ScopedActiveInstall : public InstallObserver {
public:
// This constructor registers an active install with the InstallTracker.
ScopedActiveInstall(InstallTracker* tracker,
const ActiveInstallData& install_data);
// This constructor does not register an active install. The extension install
// is still deregistered upon destruction.
ScopedActiveInstall(InstallTracker* tracker, const std::string& extension_id);
~ScopedActiveInstall() override;
// Ensures that the active install is not deregistered upon destruction. This
// may be necessary if the extension install outlives the lifetime of this
// instance.
void CancelDeregister();
private:
void Init();
// InstallObserver implementation.
void OnShutdown() override;
InstallTracker* tracker_;
ScopedObserver<InstallTracker, InstallObserver> tracker_observer_;
std::string extension_id_;
DISALLOW_COPY_AND_ASSIGN(ScopedActiveInstall);
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_ACTIVE_INSTALL_DATA_H_
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