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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_APPS_APP_SERVICE_INSTANCE_REGISTRY_UPDATER_H_
#define CHROME_BROWSER_APPS_APP_SERVICE_INSTANCE_REGISTRY_UPDATER_H_
#include "base/memory/raw_ref.h"
#include "base/scoped_multi_source_observation.h"
#include "base/scoped_observation.h"
#include "chrome/browser/apps/browser_instance/browser_app_instance_observer.h"
#include "chrome/browser/apps/browser_instance/browser_app_instance_registry.h"
#include "components/services/app_service/public/cpp/instance.h"
#include "ui/aura/env.h"
#include "ui/aura/env_observer.h"
#include "ui/aura/window.h"
#include "ui/aura/window_observer.h"
namespace apps {
class InstanceRegistry;
// Created in ash-chrome. Listens to |BrowserAppInstanceRegistry| events and
// aura::Windows associated with them and updates |InstanceRegistry|.
class InstanceRegistryUpdater : public BrowserAppInstanceObserver,
public aura::EnvObserver,
public aura::WindowObserver {
public:
InstanceRegistryUpdater(
BrowserAppInstanceRegistry& browser_app_instance_registry,
InstanceRegistry& instance_registry);
InstanceRegistryUpdater(const InstanceRegistryUpdater&) = delete;
InstanceRegistryUpdater& operator=(const InstanceRegistryUpdater&) = delete;
~InstanceRegistryUpdater() override;
// BrowserAppInstanceObserver overrides:
void OnBrowserWindowAdded(const BrowserWindowInstance& instance) override;
void OnBrowserWindowUpdated(const BrowserWindowInstance& instance) override;
void OnBrowserWindowRemoved(const BrowserWindowInstance& instance) override;
void OnBrowserAppAdded(const BrowserAppInstance& instance) override;
void OnBrowserAppUpdated(const BrowserAppInstance& instance) override;
void OnBrowserAppRemoved(const BrowserAppInstance& instance) override;
// aura::EnvObserver overrides:
void OnWindowInitialized(aura::Window* window) override;
// aura::WindowObserver overrides:
void OnWindowVisibilityChanged(aura::Window* window, bool visible) override;
void OnWindowDestroying(aura::Window* window) override;
private:
const raw_ref<BrowserAppInstanceRegistry> browser_app_instance_registry_;
const raw_ref<InstanceRegistry> instance_registry_;
void OnInstance(const base::UnguessableToken& instance_id,
const std::string& app_id,
aura::Window* window,
InstanceState state);
base::ScopedObservation<aura::Env, aura::EnvObserver> env_observer_{this};
base::ScopedMultiSourceObservation<aura::Window, aura::WindowObserver>
window_observations_{this};
base::ScopedObservation<BrowserAppInstanceRegistry,
BrowserAppInstanceObserver>
browser_app_instance_registry_observation_{this};
};
} // namespace apps
#endif // CHROME_BROWSER_APPS_APP_SERVICE_INSTANCE_REGISTRY_UPDATER_H_
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