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// Copyright 2014 The Chromium Authors
// 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 <memory>
#include <string>
#include "base/scoped_observation.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_registry_observer.h"
#include "extensions/common/extension_id.h"
namespace extensions {
// 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 ExtensionId& extension_id);
TestExtensionRegistryObserver(const TestExtensionRegistryObserver&) = delete;
TestExtensionRegistryObserver& operator=(
const TestExtensionRegistryObserver&) = delete;
~TestExtensionRegistryObserver() override;
// Waits for the notification, and returns the extension that caused it.
scoped_refptr<const Extension> WaitForExtensionWillBeInstalled();
scoped_refptr<const Extension> WaitForExtensionInstalled();
scoped_refptr<const Extension> WaitForExtensionUninstalled();
scoped_refptr<const Extension> WaitForExtensionUninstallationDenied();
scoped_refptr<const Extension> WaitForExtensionLoaded();
scoped_refptr<const Extension> WaitForExtensionReady();
scoped_refptr<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 OnExtensionInstalled(content::BrowserContext* browser_context,
const Extension* extension,
bool is_update) override;
void OnExtensionUninstalled(content::BrowserContext* browser_context,
const Extension* extension,
extensions::UninstallReason reason) override;
void OnExtensionUninstallationDenied(content::BrowserContext* browser_context,
const Extension* extension) override;
void OnExtensionLoaded(content::BrowserContext* browser_context,
const Extension* extension) override;
void OnExtensionReady(content::BrowserContext* browser_context,
const Extension* extension) override;
void OnExtensionUnloaded(content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionReason reason) override;
scoped_refptr<const Extension> Wait(std::unique_ptr<Waiter>* waiter);
std::unique_ptr<Waiter> will_be_installed_waiter_;
std::unique_ptr<Waiter> installed_waiter_;
std::unique_ptr<Waiter> uninstalled_waiter_;
std::unique_ptr<Waiter> uninstallation_denied_waiter_;
std::unique_ptr<Waiter> loaded_waiter_;
std::unique_ptr<Waiter> ready_waiter_;
std::unique_ptr<Waiter> unloaded_waiter_;
base::ScopedObservation<ExtensionRegistry, ExtensionRegistryObserver>
extension_registry_observation_{this};
ExtensionId extension_id_;
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_TEST_EXTENSION_REGISTRY_OBSERVER_H_
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