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// Copyright 2018 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 "content/renderer/loader/tracked_child_url_loader_factory_bundle.h"
#include "content/public/renderer/render_thread.h"
namespace content {
TrackedChildURLLoaderFactoryBundleInfo::
TrackedChildURLLoaderFactoryBundleInfo() = default;
TrackedChildURLLoaderFactoryBundleInfo::TrackedChildURLLoaderFactoryBundleInfo(
network::mojom::URLLoaderFactoryPtrInfo default_factory_info,
std::map<std::string, network::mojom::URLLoaderFactoryPtrInfo>
factories_info,
PossiblyAssociatedURLLoaderFactoryPtrInfo direct_network_factory_info,
std::unique_ptr<HostPtrAndTaskRunner> main_thread_host_bundle)
: ChildURLLoaderFactoryBundleInfo(std::move(default_factory_info),
std::move(factories_info),
std::move(direct_network_factory_info)),
main_thread_host_bundle_(std::move(main_thread_host_bundle)) {}
TrackedChildURLLoaderFactoryBundleInfo::
~TrackedChildURLLoaderFactoryBundleInfo() = default;
scoped_refptr<SharedURLLoaderFactory>
TrackedChildURLLoaderFactoryBundleInfo::CreateFactory() {
auto other = std::make_unique<TrackedChildURLLoaderFactoryBundleInfo>();
other->default_factory_info_ = std::move(default_factory_info_);
other->factories_info_ = std::move(factories_info_);
other->direct_network_factory_info_ = std::move(direct_network_factory_info_);
other->main_thread_host_bundle_ = std::move(main_thread_host_bundle_);
return base::MakeRefCounted<TrackedChildURLLoaderFactoryBundle>(
std::move(other));
}
// -----------------------------------------------------------------------------
TrackedChildURLLoaderFactoryBundle::TrackedChildURLLoaderFactoryBundle(
std::unique_ptr<TrackedChildURLLoaderFactoryBundleInfo> info) {
DCHECK(info->main_thread_host_bundle());
main_thread_host_bundle_ = std::move(info->main_thread_host_bundle());
Update(std::move(info));
AddObserverOnMainThread();
}
TrackedChildURLLoaderFactoryBundle::~TrackedChildURLLoaderFactoryBundle() {
RemoveObserverOnMainThread();
};
std::unique_ptr<SharedURLLoaderFactoryInfo>
TrackedChildURLLoaderFactoryBundle::Clone() {
auto info = base::WrapUnique(static_cast<ChildURLLoaderFactoryBundleInfo*>(
ChildURLLoaderFactoryBundle::Clone().release()));
DCHECK(main_thread_host_bundle_);
auto main_thread_host_bundle_clone = std::make_unique<HostPtrAndTaskRunner>(
main_thread_host_bundle_->first, main_thread_host_bundle_->second);
return std::make_unique<TrackedChildURLLoaderFactoryBundleInfo>(
std::move(info->default_factory_info()),
std::move(info->factories_info()),
std::move(info->direct_network_factory_info()),
std::move(main_thread_host_bundle_clone));
}
void TrackedChildURLLoaderFactoryBundle::AddObserverOnMainThread() {
DCHECK(main_thread_host_bundle_);
// TODO(chongz): Change this to a DCHECK once all call sites have a
// SequencedTaskRunnerHandle.
if (!base::SequencedTaskRunnerHandle::IsSet())
return;
main_thread_host_bundle_->second->PostTask(
FROM_HERE,
base::BindOnce(
&HostChildURLLoaderFactoryBundle::AddObserver,
main_thread_host_bundle_->first, base::Unretained(this),
std::make_unique<
HostChildURLLoaderFactoryBundle::ObserverPtrAndTaskRunner>(
AsWeakPtr(), base::SequencedTaskRunnerHandle::Get())));
}
void TrackedChildURLLoaderFactoryBundle::RemoveObserverOnMainThread() {
DCHECK(main_thread_host_bundle_);
main_thread_host_bundle_->second->PostTask(
FROM_HERE,
base::BindOnce(&HostChildURLLoaderFactoryBundle::RemoveObserver,
main_thread_host_bundle_->first, base::Unretained(this)));
}
void TrackedChildURLLoaderFactoryBundle::OnUpdate(
std::unique_ptr<SharedURLLoaderFactoryInfo> info) {
Update(base::WrapUnique(
static_cast<ChildURLLoaderFactoryBundleInfo*>(info.release())));
}
// -----------------------------------------------------------------------------
HostChildURLLoaderFactoryBundle::HostChildURLLoaderFactoryBundle()
: observer_list_(std::make_unique<ObserverList>()) {
DCHECK(RenderThread::Get()) << "HostChildURLLoaderFactoryBundle should live "
"on the main renderer thread";
}
HostChildURLLoaderFactoryBundle::~HostChildURLLoaderFactoryBundle() = default;
std::unique_ptr<SharedURLLoaderFactoryInfo>
HostChildURLLoaderFactoryBundle::Clone() {
auto info = base::WrapUnique(static_cast<ChildURLLoaderFactoryBundleInfo*>(
ChildURLLoaderFactoryBundle::Clone().release()));
DCHECK(base::SequencedTaskRunnerHandle::IsSet());
auto main_thread_host_bundle_clone = std::make_unique<
TrackedChildURLLoaderFactoryBundle::HostPtrAndTaskRunner>(
AsWeakPtr(), base::SequencedTaskRunnerHandle::Get());
return std::make_unique<TrackedChildURLLoaderFactoryBundleInfo>(
std::move(info->default_factory_info()),
std::move(info->factories_info()),
std::move(info->direct_network_factory_info()),
std::move(main_thread_host_bundle_clone));
}
void HostChildURLLoaderFactoryBundle::UpdateThisAndAllClones(
std::unique_ptr<URLLoaderFactoryBundleInfo> info) {
DCHECK(RenderThread::Get()) << "Should run on the main renderer thread";
DCHECK(observer_list_);
auto partial_bundle = base::MakeRefCounted<ChildURLLoaderFactoryBundle>();
static_cast<URLLoaderFactoryBundle*>(partial_bundle.get())
->Update(std::move(info));
for (const auto& iter : *observer_list_) {
NotifyUpdateOnMainOrWorkerThread(iter.second.get(),
partial_bundle->Clone());
}
Update(partial_bundle->PassInterface());
}
bool HostChildURLLoaderFactoryBundle::IsHostChildURLLoaderFactoryBundle()
const {
return true;
}
void HostChildURLLoaderFactoryBundle::AddObserver(
TrackedChildURLLoaderFactoryBundle* observer,
std::unique_ptr<ObserverPtrAndTaskRunner> observer_info) {
DCHECK(RenderThread::Get()) << "Should run in the main renderer thread";
DCHECK(observer_list_);
(*observer_list_)[observer] = std::move(observer_info);
}
void HostChildURLLoaderFactoryBundle::RemoveObserver(
TrackedChildURLLoaderFactoryBundle* observer) {
DCHECK(RenderThread::Get()) << "Should run in the main renderer thread";
DCHECK(observer_list_);
observer_list_->erase(observer);
}
void HostChildURLLoaderFactoryBundle::NotifyUpdateOnMainOrWorkerThread(
ObserverPtrAndTaskRunner* observer_bundle,
std::unique_ptr<SharedURLLoaderFactoryInfo> update_info) {
observer_bundle->second->PostTask(
FROM_HERE,
base::BindOnce(&TrackedChildURLLoaderFactoryBundle::OnUpdate,
observer_bundle->first, std::move(update_info)));
}
} // namespace content
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