blob: e8547ff943ee65c0a292e3b2fd3a038f93db886a [file] [log] [blame]
// Copyright 2015 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 "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/public/browser/browser_message_filter.h"
struct ExtensionHostMsg_Request_Params;
namespace content {
class BrowserContext;
namespace extensions {
class InfoMap;
// This class filters out incoming extension-specific IPC messages from the
// renderer process. It is created on the UI thread, but handles messages on the
// IO thread and is destroyed there.
class IOThreadExtensionMessageFilter : public content::BrowserMessageFilter {
IOThreadExtensionMessageFilter(int render_process_id,
content::BrowserContext* context);
int render_process_id() { return render_process_id_; }
friend class base::DeleteHelper<IOThreadExtensionMessageFilter>;
friend class content::BrowserThread;
~IOThreadExtensionMessageFilter() override;
// content::BrowserMessageFilter implementation.
void OnDestruct() const override;
bool OnMessageReceived(const IPC::Message& message) override;
// Message handlers on the IO thread.
void OnExtensionGenerateUniqueID(int* unique_id);
void OnExtensionRequestForIOThread(
int routing_id,
const ExtensionHostMsg_Request_Params& params);
const int render_process_id_;
// The browser context as a void pointer, for use as an identifier on the IO
// thread.
void* browser_context_id_;
scoped_refptr<extensions::InfoMap> extension_info_map_;
// Weak pointers produced by this factory are bound to the IO thread.
base::WeakPtrFactory<IOThreadExtensionMessageFilter> weak_ptr_factory_;
} // namespace extensions