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content / renderer / service_worker / controller_service_worker_connector.cc [blame]
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/renderer/service_worker/controller_service_worker_connector.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/observer_list.h"
#include "base/strings/utf_string_conversions.h"
#include "content/common/service_worker/service_worker_router_evaluator.h"
#include "third_party/blink/public/common/cache_storage/cache_storage_utils.h"
namespace content {
ControllerServiceWorkerConnector::ControllerServiceWorkerConnector(
mojo::PendingRemote<blink::mojom::ServiceWorkerContainerHost>
remote_container_host,
mojo::PendingRemote<blink::mojom::ControllerServiceWorker>
remote_controller,
mojo::PendingRemote<blink::mojom::CacheStorage> remote_cache_storage,
const std::string& client_id,
blink::mojom::ServiceWorkerFetchHandlerBypassOption
fetch_handler_bypass_option,
std::optional<blink::ServiceWorkerRouterRules> router_rules,
blink::EmbeddedWorkerStatus initial_running_status,
mojo::PendingReceiver<blink::mojom::ServiceWorkerRunningStatusCallback>
running_status_receiver)
: client_id_(client_id),
fetch_handler_bypass_option_(fetch_handler_bypass_option),
running_status_(initial_running_status),
running_status_receiver_(this) {
container_host_.Bind(std::move(remote_container_host));
container_host_.set_disconnect_handler(base::BindOnce(
&ControllerServiceWorkerConnector::OnContainerHostConnectionClosed,
base::Unretained(this)));
if (router_rules) {
router_evaluator_ =
std::make_unique<content::ServiceWorkerRouterEvaluator>(*router_rules);
CHECK(router_evaluator_->IsValid());
if (remote_cache_storage) {
cache_storage_.Bind(std::move(remote_cache_storage));
}
if (running_status_receiver) {
CHECK(router_evaluator_->need_running_status());
running_status_receiver_.Bind(std::move(running_status_receiver));
}
}
SetControllerServiceWorker(std::move(remote_controller));
}
blink::mojom::ControllerServiceWorker*
ControllerServiceWorkerConnector::GetControllerServiceWorker(
blink::mojom::ControllerServiceWorkerPurpose purpose) {
switch (state_) {
case State::kDisconnected: {
DCHECK(!controller_service_worker_);
DCHECK(container_host_);
mojo::PendingRemote<blink::mojom::ControllerServiceWorker>
remote_controller;
container_host_->EnsureControllerServiceWorker(
remote_controller.InitWithNewPipeAndPassReceiver(), purpose);
SetControllerServiceWorker(std::move(remote_controller));
return controller_service_worker_.get();
}
case State::kConnected:
DCHECK(controller_service_worker_.is_bound());
return controller_service_worker_.get();
case State::kNoController:
DCHECK(!controller_service_worker_);
return nullptr;
case State::kNoContainerHost:
DCHECK(!controller_service_worker_);
DCHECK(!container_host_);
return nullptr;
}
NOTREACHED_IN_MIGRATION();
return nullptr;
}
void ControllerServiceWorkerConnector::AddObserver(Observer* observer) {
observer_list_.AddObserver(observer);
}
void ControllerServiceWorkerConnector::RemoveObserver(Observer* observer) {
observer_list_.RemoveObserver(observer);
}
void ControllerServiceWorkerConnector::OnContainerHostConnectionClosed() {
state_ = State::kNoContainerHost;
container_host_.reset();
controller_service_worker_.reset();
}
void ControllerServiceWorkerConnector::OnControllerConnectionClosed() {
DCHECK_EQ(State::kConnected, state_);
state_ = State::kDisconnected;
controller_service_worker_.reset();
for (auto& observer : observer_list_)
observer.OnConnectionClosed();
}
void ControllerServiceWorkerConnector::EnsureFileAccess(
const std::vector<base::FilePath>& file_paths,
base::OnceClosure callback) {
container_host_->EnsureFileAccess(file_paths, std::move(callback));
}
void ControllerServiceWorkerConnector::AddBinding(
mojo::PendingReceiver<blink::mojom::ControllerServiceWorkerConnector>
receiver) {
receivers_.Add(this, std::move(receiver));
}
void ControllerServiceWorkerConnector::UpdateController(
mojo::PendingRemote<blink::mojom::ControllerServiceWorker> controller) {
if (state_ == State::kNoContainerHost)
return;
SetControllerServiceWorker(std::move(controller));
if (!controller_service_worker_)
state_ = State::kNoController;
}
void ControllerServiceWorkerConnector::SetControllerServiceWorker(
mojo::PendingRemote<blink::mojom::ControllerServiceWorker> controller) {
controller_service_worker_.reset();
if (!controller)
return;
controller_service_worker_.Bind(std::move(controller));
if (controller_service_worker_) {
controller_service_worker_.set_disconnect_handler(base::BindOnce(
&ControllerServiceWorkerConnector::OnControllerConnectionClosed,
base::Unretained(this)));
state_ = State::kConnected;
}
}
blink::EmbeddedWorkerStatus
ControllerServiceWorkerConnector::GetRecentRunningStatus() {
return running_status_;
}
void ControllerServiceWorkerConnector::OnStatusChanged(
blink::EmbeddedWorkerStatus running_status) {
// A callback to update `running_status_` is set only if
// ServiceWorkerRouterEvaluator requires the running status.
// Otherwise, `running_status_` may not be a meaningful value.
CHECK(router_evaluator_->need_running_status());
running_status_ = running_status;
}
void ControllerServiceWorkerConnector::CallCacheStorageMatch(
std::optional<std::string> cache_name,
blink::mojom::FetchAPIRequestPtr request,
blink::mojom::CacheStorage::MatchCallback callback) {
if (!cache_storage_ || !cache_storage_.is_bound()) {
std::move(callback).Run(blink::mojom::MatchResult::NewStatus(
blink::mojom::CacheStorageError::kErrorStorage));
return;
}
int64_t trace_id = blink::cache_storage::CreateTraceId();
auto options = blink::mojom::MultiCacheQueryOptions::New();
options->query_options = blink::mojom::CacheQueryOptions::New();
if (cache_name) {
options->cache_name = base::UTF8ToUTF16(*cache_name);
}
cache_storage_->Match(std::move(request), std::move(options),
/*in_related_fetch_event=*/false,
/*in_range_fetch_event=*/false, trace_id,
std::move(callback));
}
ControllerServiceWorkerConnector::~ControllerServiceWorkerConnector() = default;
} // namespace content