| // Copyright 2012 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "net/url_request/url_request_context_getter.h" |
| |
| #include "base/debug/leak_annotations.h" |
| #include "base/location.h" |
| #include "base/observer_list.h" |
| #include "base/task/single_thread_task_runner.h" |
| #include "net/url_request/url_request_context.h" |
| #include "net/url_request/url_request_context_getter_observer.h" |
| |
| namespace net { |
| |
| void URLRequestContextGetter::AddObserver( |
| URLRequestContextGetterObserver* observer) { |
| DCHECK(GetNetworkTaskRunner()->BelongsToCurrentThread()); |
| observer_list_.AddObserver(observer); |
| } |
| |
| void URLRequestContextGetter::RemoveObserver( |
| URLRequestContextGetterObserver* observer) { |
| DCHECK(GetNetworkTaskRunner()->BelongsToCurrentThread()); |
| observer_list_.RemoveObserver(observer); |
| } |
| |
| URLRequestContextGetter::URLRequestContextGetter() = default; |
| |
| URLRequestContextGetter::~URLRequestContextGetter() = default; |
| |
| void URLRequestContextGetter::OnDestruct() const { |
| scoped_refptr<base::SingleThreadTaskRunner> network_task_runner = |
| GetNetworkTaskRunner(); |
| DCHECK(network_task_runner.get()); |
| if (network_task_runner.get()) { |
| if (network_task_runner->BelongsToCurrentThread()) { |
| delete this; |
| } else { |
| if (!network_task_runner->DeleteSoon(FROM_HERE, this)) { |
| // Can't force-delete the object here, because some derived classes |
| // can only be deleted on the owning thread, so just emit a warning to |
| // aid in debugging. |
| DLOG(WARNING) << "URLRequestContextGetter leaking due to no owning" |
| << " thread."; |
| // Let LSan know we know this is a leak. https://crbug.com/594130 |
| ANNOTATE_LEAKING_OBJECT_PTR(this); |
| } |
| } |
| } |
| // If no IO task runner was available, we will just leak memory. |
| // This is also true if the IO thread is gone. |
| } |
| |
| void URLRequestContextGetter::NotifyContextShuttingDown() { |
| DCHECK(GetNetworkTaskRunner()->BelongsToCurrentThread()); |
| |
| // Once shutdown starts, this must always return NULL. |
| DCHECK(!GetURLRequestContext()); |
| |
| for (auto& observer : observer_list_) |
| observer.OnContextShuttingDown(); |
| } |
| |
| } // namespace net |