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// Copyright 2013 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.
#ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
#include <stdint.h>
#include "base/macros.h"
#include "content/common/content_export.h"
#include "content/common/service_worker/service_worker_provider.mojom.h"
#include "content/common/service_worker/service_worker_types.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_process_host_observer.h"
#include "mojo/public/cpp/bindings/associated_binding_set.h"
namespace content {
class ServiceWorkerContextWrapper;
namespace service_worker_dispatcher_host_unittest {
class ServiceWorkerDispatcherHostTest;
class TestingServiceWorkerDispatcherHost;
FORWARD_DECLARE_TEST(ServiceWorkerDispatcherHostTest,
ProviderCreatedAndDestroyed);
FORWARD_DECLARE_TEST(ServiceWorkerDispatcherHostTest, CleanupOnRendererCrash);
} // namespace service_worker_dispatcher_host_unittest
// ServiceWorkerDispatcherHost is a browser-side endpoint for the renderer to
// notify the browser a service worker provider is created.
// Unless otherwise noted, all methods are called on the IO thread.
//
// In order to keep ordering with navigation IPCs to avoid potential races,
// currently mojom::ServiceWorkerDispatcherHost interface is associated with the
// legacy IPC channel.
// TODO(leonhsl): Remove this class once we can understand how to move
// OnProviderCreated() to an isolated message pipe.
class CONTENT_EXPORT ServiceWorkerDispatcherHost
: public mojom::ServiceWorkerDispatcherHost,
public RenderProcessHostObserver {
public:
// Called on the UI thread.
ServiceWorkerDispatcherHost(
scoped_refptr<ServiceWorkerContextWrapper> context_wrapper,
int render_process_id);
void AddBinding(mojom::ServiceWorkerDispatcherHostAssociatedRequest request);
// Called on the UI thread.
void RenderProcessExited(RenderProcessHost* host,
const ChildProcessTerminationInfo& info) override;
protected:
~ServiceWorkerDispatcherHost() override;
private:
friend class BrowserThread;
friend class base::DeleteHelper<ServiceWorkerDispatcherHost>;
friend class service_worker_dispatcher_host_unittest::
ServiceWorkerDispatcherHostTest;
friend class service_worker_dispatcher_host_unittest::
TestingServiceWorkerDispatcherHost;
FRIEND_TEST_ALL_PREFIXES(
service_worker_dispatcher_host_unittest::ServiceWorkerDispatcherHostTest,
ProviderCreatedAndDestroyed);
FRIEND_TEST_ALL_PREFIXES(
service_worker_dispatcher_host_unittest::ServiceWorkerDispatcherHostTest,
CleanupOnRendererCrash);
// mojom::ServiceWorkerDispatcherHost implementation
void OnProviderCreated(mojom::ServiceWorkerProviderHostInfoPtr info) override;
void RemoveAllProviderHostsForProcess();
const int render_process_id_;
// Only accessed on the IO thread.
scoped_refptr<ServiceWorkerContextWrapper> context_wrapper_;
mojo::AssociatedBindingSet<mojom::ServiceWorkerDispatcherHost> bindings_;
DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcherHost);
};
} // namespace content
#endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
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