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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 EXTENSIONS_BROWSER_TEST_EXTENSION_REGISTRY_OBSERVER_H_
#define EXTENSIONS_BROWSER_TEST_EXTENSION_REGISTRY_OBSERVER_H_
#include <string>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/scoped_observer.h"
#include "extensions/browser/extension_registry_observer.h"
namespace extensions {
class ExtensionRegistry;
// A helper class that listen for ExtensionRegistry notifications.
class TestExtensionRegistryObserver : public ExtensionRegistryObserver {
public:
// If |extension_id| is provided, listens only to events relating to that
// extension. Otherwise, listens to all events.
explicit TestExtensionRegistryObserver(ExtensionRegistry* registry);
TestExtensionRegistryObserver(ExtensionRegistry* registry,
const std::string& extension_id);
~TestExtensionRegistryObserver() override;
// Waits for the notification, and returns the extension that caused it.
const Extension* WaitForExtensionWillBeInstalled();
const Extension* WaitForExtensionUninstalled();
const Extension* WaitForExtensionLoaded();
const Extension* WaitForExtensionUnloaded();
private:
class Waiter;
// ExtensionRegistryObserver.
void OnExtensionWillBeInstalled(content::BrowserContext* browser_context,
const Extension* extension,
bool is_update,
const std::string& old_name) override;
void OnExtensionUninstalled(content::BrowserContext* browser_context,
const Extension* extension,
extensions::UninstallReason reason) override;
void OnExtensionLoaded(content::BrowserContext* browser_context,
const Extension* extension) override;
void OnExtensionUnloaded(content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionInfo::Reason reason) override;
const Extension* Wait(scoped_ptr<Waiter>* waiter);
scoped_ptr<Waiter> will_be_installed_waiter_;
scoped_ptr<Waiter> uninstalled_waiter_;
scoped_ptr<Waiter> loaded_waiter_;
scoped_ptr<Waiter> unloaded_waiter_;
ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
extension_registry_observer_;
std::string extension_id_;
DISALLOW_COPY_AND_ASSIGN(TestExtensionRegistryObserver);
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_TEST_EXTENSION_REGISTRY_OBSERVER_H_
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