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// 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
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