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// Copyright (c) 2011 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 CHROME_BROWSER_PROFILES_PROFILE_IMPL_IO_DATA_H_
#define CHROME_BROWSER_PROFILES_PROFILE_IMPL_IO_DATA_H_
#pragma once
#include "base/basictypes.h"
#include "base/ref_counted.h"
#include "chrome/browser/profiles/profile_io_data.h"
class ExtensionIOEventRouter;
namespace net {
class NetworkDelegate;
class DnsCertProvenanceChecker;
class HttpTransactionFactory;
} // namespace net
class ProfileImplIOData : public ProfileIOData {
public:
class Handle {
public:
explicit Handle(Profile* profile);
~Handle();
bool HasMainRequestContext() const {
return main_request_context_getter_ != NULL;
}
// Init() must be called before ~Handle(). It records all the necessary
// parameters needed to construct a ChromeURLRequestContextGetter.
void Init(const FilePath& cookie_path,
const FilePath& cache_path,
int cache_max_size,
const FilePath& media_cache_path,
int media_cache_max_size,
const FilePath& extensions_cookie_path);
scoped_refptr<ChromeURLRequestContextGetter>
GetMainRequestContextGetter() const;
scoped_refptr<ChromeURLRequestContextGetter>
GetMediaRequestContextGetter() const;
scoped_refptr<ChromeURLRequestContextGetter>
GetExtensionsRequestContextGetter() const;
private:
// Lazily initialize ProfileParams. We do this on the calls to
// Get*RequestContextGetter(), so we only initialize ProfileParams right
// before posting a task to the IO thread to start using them. This prevents
// objects that are supposed to be deleted on the IO thread, but are created
// on the UI thread from being unnecessarily initialized.
void LazyInitialize() const;
// Ordering is important here. Do not reorder unless you know what you're
// doing. We need to release |io_data_| *before* the getters, because we
// want to make sure that the last reference for |io_data_| is on the IO
// thread. The getters will be deleted on the IO thread, so they will
// release their refs to their contexts, which will release the last refs to
// the ProfileIOData on the IO thread.
mutable scoped_refptr<ChromeURLRequestContextGetter>
main_request_context_getter_;
mutable scoped_refptr<ChromeURLRequestContextGetter>
media_request_context_getter_;
mutable scoped_refptr<ChromeURLRequestContextGetter>
extensions_request_context_getter_;
const scoped_refptr<ProfileImplIOData> io_data_;
Profile* const profile_;
mutable bool initialized_;
DISALLOW_COPY_AND_ASSIGN(Handle);
};
private:
friend class base::RefCountedThreadSafe<ProfileImplIOData>;
struct LazyParams {
LazyParams();
~LazyParams();
// All of these parameters are intended to be read on the IO thread.
FilePath cookie_path;
FilePath cache_path;
int cache_max_size;
FilePath media_cache_path;
int media_cache_max_size;
FilePath extensions_cookie_path;
IOThread* io_thread;
ProfileParams profile_params;
};
ProfileImplIOData();
virtual ~ProfileImplIOData();
// Lazily initializes ProfileImplIOData.
virtual void LazyInitializeInternal() const;
virtual scoped_refptr<ChromeURLRequestContext>
AcquireMainRequestContext() const;
virtual scoped_refptr<ChromeURLRequestContext>
AcquireMediaRequestContext() const;
virtual scoped_refptr<ChromeURLRequestContext>
AcquireExtensionsRequestContext() const;
// Lazy initialization params.
mutable scoped_ptr<LazyParams> lazy_params_;
mutable scoped_refptr<RequestContext> main_request_context_;
mutable scoped_refptr<RequestContext> media_request_context_;
mutable scoped_refptr<RequestContext> extensions_request_context_;
mutable scoped_refptr<ExtensionIOEventRouter> extension_io_event_router_;
mutable scoped_ptr<net::NetworkDelegate> network_delegate_;
mutable scoped_ptr<net::DnsCertProvenanceChecker> dns_cert_checker_;
mutable scoped_ptr<net::HttpTransactionFactory> main_http_factory_;
mutable scoped_ptr<net::HttpTransactionFactory> media_http_factory_;
DISALLOW_COPY_AND_ASSIGN(ProfileImplIOData);
};
#endif // CHROME_BROWSER_PROFILES_PROFILE_IMPL_IO_DATA_H_
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