| // Copyright 2018 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/apps/platform_apps/app_termination_observer.h" |
| |
| #include "apps/browser_context_keyed_service_factories.h" |
| #include "chrome/browser/lifetime/termination_notification.h" |
| #include "content/public/browser/browser_context.h" |
| |
| namespace chrome_apps { |
| |
| AppTerminationObserver::AppTerminationObserver( |
| content::BrowserContext* browser_context) |
| : browser_context_(browser_context) { |
| // base::Unretained(this) is safe here as this object owns |subscription_| and |
| // the callback won't be invoked after the subscription is destroyed. |
| subscription_ = browser_shutdown::AddAppTerminatingCallback(base::BindOnce( |
| &AppTerminationObserver::OnAppTerminating, base::Unretained(this))); |
| } |
| |
| AppTerminationObserver::~AppTerminationObserver() = default; |
| |
| void AppTerminationObserver::Shutdown() { |
| // The associated `browser_context_` is shutting down, so it's no longer safe |
| // to use (any attempt to access a KeyedService will crash after this point, |
| // since the context is marked as dead). Reset the subscription. See |
| // https://crbug.com/352003806. |
| // See also the note in `OnAppTerminating()`. |
| subscription_.reset(); |
| } |
| |
| void AppTerminationObserver::OnAppTerminating() { |
| // NOTE: This fires on application termination, but passes in an associated |
| // BrowserContext. If a BrowserContext is actually destroyed *before* |
| // application termination, we won't call NotifyApplicationTerminating() for |
| // that context. We could instead monitor BrowserContext destruction if this |
| // is an issue. |
| apps::NotifyApplicationTerminating(browser_context_); |
| } |
| |
| } // namespace chrome_apps |
