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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_INSTALL_TRACKER_H_
#define CHROME_BROWSER_EXTENSIONS_INSTALL_TRACKER_H_
#include <map>
#include "base/observer_list.h"
#include "base/prefs/pref_change_registrar.h"
#include "base/scoped_observer.h"
#include "chrome/browser/extensions/active_install_data.h"
#include "chrome/browser/extensions/install_observer.h"
#include "components/keyed_service/core/keyed_service.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "extensions/browser/extension_registry_observer.h"
namespace content {
class BrowserContext;
}
namespace extensions {
class ExtensionPrefs;
class ExtensionRegistry;
class InstallTracker : public KeyedService,
public content::NotificationObserver,
public ExtensionRegistryObserver {
public:
InstallTracker(content::BrowserContext* browser_context,
extensions::ExtensionPrefs* prefs);
virtual ~InstallTracker();
static InstallTracker* Get(content::BrowserContext* context);
void AddObserver(InstallObserver* observer);
void RemoveObserver(InstallObserver* observer);
// If an install is currently in progress for |extension_id|, returns details
// of the installation. This instance retains ownership of the returned
// pointer. Returns NULL if the extension is not currently being installed.
const ActiveInstallData* GetActiveInstall(
const std::string& extension_id) const;
// Registers an install initiated by the user to allow checking of duplicate
// installs. Download of the extension has not necessarily started.
// RemoveActiveInstall() must be called when install is complete regardless of
// success or failure. Consider using ScopedActiveInstall rather than calling
// this directly.
void AddActiveInstall(const ActiveInstallData& install_data);
// Deregisters an active install.
void RemoveActiveInstall(const std::string& extension_id);
void OnBeginExtensionInstall(
const InstallObserver::ExtensionInstallParams& params);
void OnBeginExtensionDownload(const std::string& extension_id);
void OnDownloadProgress(const std::string& extension_id,
int percent_downloaded);
void OnBeginCrxInstall(const std::string& extension_id);
void OnFinishCrxInstall(const std::string& extension_id, bool success);
void OnInstallFailure(const std::string& extension_id);
// NOTE(limasdf): For extension [un]load and [un]installed, use
// ExtensionRegistryObserver.
// Overriddes for KeyedService.
virtual void Shutdown() OVERRIDE;
private:
void OnAppsReordered();
// content::NotificationObserver implementation.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// ExtensionRegistryObserver implementation.
virtual void OnExtensionInstalled(content::BrowserContext* browser_context,
const Extension* extension,
bool is_update) OVERRIDE;
// Maps extension id to the details of an active install.
typedef std::map<std::string, ActiveInstallData> ActiveInstallsMap;
ActiveInstallsMap active_installs_;
ObserverList<InstallObserver> observers_;
content::NotificationRegistrar registrar_;
PrefChangeRegistrar pref_change_registrar_;
ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
extension_registry_observer_;
DISALLOW_COPY_AND_ASSIGN(InstallTracker);
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_INSTALL_TRACKER_H_
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