blob: eabf72e36098d60adb2240ca3d352aca937b2210 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// 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/sequenced_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()->RunsTasksInCurrentSequence());
observer_list_.AddObserver(observer);
}
void URLRequestContextGetter::RemoveObserver(
URLRequestContextGetterObserver* observer) {
DCHECK(GetNetworkTaskRunner()->RunsTasksInCurrentSequence());
observer_list_.RemoveObserver(observer);
}
URLRequestContextGetter::URLRequestContextGetter() = default;
URLRequestContextGetter::~URLRequestContextGetter() = default;
void URLRequestContextGetter::OnDestruct() const {
scoped_refptr<base::SequencedTaskRunner> network_task_runner =
GetNetworkTaskRunner();
DCHECK(network_task_runner.get());
if (network_task_runner.get()) {
if (network_task_runner->RunsTasksInCurrentSequence()) {
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()->RunsTasksInCurrentSequence());
// Once shutdown starts, this must always return NULL.
DCHECK(!GetURLRequestContext());
for (auto& observer : observer_list_)
observer.OnContextShuttingDown();
}
TrivialURLRequestContextGetter::TrivialURLRequestContextGetter(
URLRequestContext* context,
const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner)
: context_(context), main_task_runner_(main_task_runner) {
}
TrivialURLRequestContextGetter::~TrivialURLRequestContextGetter() = default;
URLRequestContext* TrivialURLRequestContextGetter::GetURLRequestContext() {
return context_;
}
scoped_refptr<base::SequencedTaskRunner>
TrivialURLRequestContextGetter::GetNetworkTaskRunner() const {
return main_task_runner_;
}
} // namespace net