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// Copyright 2016 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 EXTENSIONS_RENDERER_WORKER_THREAD_DISPATCHER_H_
#define EXTENSIONS_RENDERER_WORKER_THREAD_DISPATCHER_H_
#include "base/synchronization/lock.h"
#include "content/public/renderer/render_thread_observer.h"
#include "ipc/ipc_sync_message_filter.h"
namespace base {
class ListValue;
}
namespace content {
class RenderThread;
}
namespace extensions {
class ExtensionBindingsSystem;
class ResourceBundleSourceMap;
class ServiceWorkerRequestSender;
class V8SchemaRegistry;
// Sends and receives IPC in an extension Service Worker.
// TODO(lazyboy): This class should really be a combination of the following
// two:
// 1) A content::WorkerThreadMessageFilter, so that we can receive IPC directly
// on worker thread.
// 2) A content::ThreadSafeSender, so we can safely send IPC from worker thread.
class WorkerThreadDispatcher : public content::RenderThreadObserver {
public:
WorkerThreadDispatcher();
~WorkerThreadDispatcher() override;
// Thread safe.
static WorkerThreadDispatcher* Get();
static ExtensionBindingsSystem* GetBindingsSystem();
static ServiceWorkerRequestSender* GetRequestSender();
static V8SchemaRegistry* GetV8SchemaRegistry();
void Init(content::RenderThread* render_thread);
bool Send(IPC::Message* message);
void AddWorkerData(int64_t service_worker_version_id,
ResourceBundleSourceMap* source_map);
void RemoveWorkerData(int64_t service_worker_version_id);
private:
// content::RenderThreadObserver:
bool OnControlMessageReceived(const IPC::Message& message) override;
// IPC handlers.
void OnResponseWorker(int worker_thread_id,
int request_id,
bool succeeded,
const base::ListValue& response,
const std::string& error);
// IPC sender. Belongs to the render thread, but thread safe.
scoped_refptr<IPC::SyncMessageFilter> message_filter_;
DISALLOW_COPY_AND_ASSIGN(WorkerThreadDispatcher);
};
} // namespace extensions
#endif // EXTENSIONS_RENDERER_WORKER_THREAD_DISPATCHER_H_
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