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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 <vector>
#include "base/id_map.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string16.h"
#include "content/browser/service_worker/service_worker_registration_status.h"
#include "content/public/browser/browser_message_filter.h"
class GURL;
struct EmbeddedWorkerHostMsg_ReportConsoleMessage_Params;
namespace content {
class MessagePortMessageFilter;
class ResourceContext;
class ServiceWorkerContextCore;
class ServiceWorkerContextWrapper;
class ServiceWorkerHandle;
class ServiceWorkerProviderHost;
class ServiceWorkerRegistration;
class ServiceWorkerRegistrationHandle;
class ServiceWorkerVersion;
struct ServiceWorkerObjectInfo;
struct ServiceWorkerRegistrationObjectInfo;
struct ServiceWorkerVersionAttributes;
class CONTENT_EXPORT ServiceWorkerDispatcherHost : public BrowserMessageFilter {
public:
ServiceWorkerDispatcherHost(
int render_process_id,
MessagePortMessageFilter* message_port_message_filter,
ResourceContext* resource_context);
void Init(ServiceWorkerContextWrapper* context_wrapper);
// BrowserMessageFilter implementation
void OnFilterAdded(IPC::Sender* sender) override;
void OnFilterRemoved() override;
void OnDestruct() const override;
bool OnMessageReceived(const IPC::Message& message) override;
// IPC::Sender implementation
// Send() queues the message until the underlying sender is ready. This
// class assumes that Send() can only fail after that when the renderer
// process has terminated, at which point the whole instance will eventually
// be destroyed.
bool Send(IPC::Message* message) override;
// Returns the existing registration handle whose reference count is
// incremented or newly created one if it doesn't exist.
ServiceWorkerRegistrationHandle* GetOrCreateRegistrationHandle(
int provider_id,
ServiceWorkerRegistration* registration);
// Creates a ServiceWorkerHandle to retain |version| and returns a
// ServiceWorkerInfo with a newly created handle ID. The handle is held in
// the dispatcher host until its ref-count becomes zero via
// OnDecrementServiceWorkerRefCount.
ServiceWorkerObjectInfo CreateAndRegisterServiceWorkerHandle(
ServiceWorkerVersion* version);
MessagePortMessageFilter* message_port_message_filter() {
return message_port_message_filter_;
}
protected:
~ServiceWorkerDispatcherHost() override;
private:
friend class BrowserThread;
friend class base::DeleteHelper<ServiceWorkerDispatcherHost>;
friend class TestingServiceWorkerDispatcherHost;
// IPC Message handlers
void OnRegisterServiceWorker(int thread_id,
int request_id,
int provider_id,
const GURL& pattern,
const GURL& script_url);
void OnUnregisterServiceWorker(int thread_id,
int request_id,
int provider_id,
const GURL& pattern);
void OnGetRegistration(int thread_id,
int request_id,
int provider_id,
const GURL& document_url);
void OnProviderCreated(int provider_id, int render_frame_id);
void OnProviderDestroyed(int provider_id);
void OnSetHostedVersionId(int provider_id, int64 version_id);
void OnWorkerReadyForInspection(int embedded_worker_id);
void OnWorkerScriptLoaded(int embedded_worker_id, int thread_id);
void OnWorkerScriptLoadFailed(int embedded_worker_id);
void OnWorkerScriptEvaluated(int embedded_worker_id, bool success);
void OnWorkerStarted(int embedded_worker_id);
void OnWorkerStopped(int embedded_worker_id);
void OnPausedAfterDownload(int embedded_worker_id);
void OnReportException(int embedded_worker_id,
const base::string16& error_message,
int line_number,
int column_number,
const GURL& source_url);
void OnReportConsoleMessage(
int embedded_worker_id,
const EmbeddedWorkerHostMsg_ReportConsoleMessage_Params& params);
void OnPostMessage(int handle_id,
const base::string16& message,
const std::vector<int>& sent_message_port_ids);
void OnIncrementServiceWorkerRefCount(int handle_id);
void OnDecrementServiceWorkerRefCount(int handle_id);
void OnIncrementRegistrationRefCount(int registration_handle_id);
void OnDecrementRegistrationRefCount(int registration_handle_id);
void OnPostMessageToWorker(int handle_id,
const base::string16& message,
const std::vector<int>& sent_message_port_ids);
void OnServiceWorkerObjectDestroyed(int handle_id);
void OnTerminateWorker(int handle_id);
void RegisterServiceWorkerHandle(scoped_ptr<ServiceWorkerHandle> handle);
void RegisterServiceWorkerRegistrationHandle(
scoped_ptr<ServiceWorkerRegistrationHandle> handle);
ServiceWorkerRegistrationHandle* FindRegistrationHandle(
int provider_id,
int64 registration_id);
void GetRegistrationObjectInfoAndVersionAttributes(
int provider_id,
ServiceWorkerRegistration* registration,
ServiceWorkerRegistrationObjectInfo* info,
ServiceWorkerVersionAttributes* attrs);
// Callbacks from ServiceWorkerContextCore
void RegistrationComplete(int thread_id,
int provider_id,
int request_id,
ServiceWorkerStatusCode status,
int64 registration_id);
void UnregistrationComplete(int thread_id,
int request_id,
ServiceWorkerStatusCode status);
void GetRegistrationComplete(
int thread_id,
int provider_id,
int request_id,
ServiceWorkerStatusCode status,
const scoped_refptr<ServiceWorkerRegistration>& registration);
void SendRegistrationError(int thread_id,
int request_id,
ServiceWorkerStatusCode status);
void SendUnregistrationError(int thread_id,
int request_id,
ServiceWorkerStatusCode status);
void SendGetRegistrationError(int thread_id,
int request_id,
ServiceWorkerStatusCode status);
ServiceWorkerContextCore* GetContext();
int render_process_id_;
MessagePortMessageFilter* const message_port_message_filter_;
ResourceContext* resource_context_;
scoped_refptr<ServiceWorkerContextWrapper> context_wrapper_;
IDMap<ServiceWorkerHandle, IDMapOwnPointer> handles_;
IDMap<ServiceWorkerRegistrationHandle, IDMapOwnPointer> registration_handles_;
bool channel_ready_; // True after BrowserMessageFilter::sender_ != NULL.
ScopedVector<IPC::Message> pending_messages_;
DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcherHost);
};
} // namespace content
#endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
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