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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_COMMON_NET_URL_REQUEST_CONTEXT_GETTER_H_
      6 #define CHROME_COMMON_NET_URL_REQUEST_CONTEXT_GETTER_H_
      7 #pragma once
      8 
      9 #include "base/memory/ref_counted.h"
     10 #include "base/task.h"
     11 
     12 namespace base {
     13 class MessageLoopProxy;
     14 }
     15 
     16 namespace net {
     17 class CookieStore;
     18 class URLRequestContext;
     19 
     20 struct URLRequestContextGetterTraits;
     21 
     22 // Interface for retrieving an net::URLRequestContext.
     23 class URLRequestContextGetter
     24     : public base::RefCountedThreadSafe<URLRequestContextGetter,
     25                                         URLRequestContextGetterTraits> {
     26  public:
     27   virtual URLRequestContext* GetURLRequestContext() = 0;
     28 
     29   // See http://crbug.com/77835 for why this shouldn't be used. Instead use
     30   // GetURLRequestContext()->cookie_store();
     31   virtual CookieStore* DONTUSEME_GetCookieStore();
     32 
     33   // Returns a MessageLoopProxy corresponding to the thread on which the
     34   // request IO happens (the thread on which the returned net::URLRequestContext
     35   // may be used).
     36   virtual scoped_refptr<base::MessageLoopProxy>
     37       GetIOMessageLoopProxy() const = 0;
     38 
     39   // Controls whether or not the URLRequestContextGetter considers itself to be
     40   // the the "main" URLRequestContextGetter.  Note that each Profile will have a
     41   // "default" URLRequestContextGetter.  Therefore, "is_main" refers to the
     42   // default URLRequestContextGetter for the "main" Profile.
     43   // TODO(willchan): Move this code to ChromeURLRequestContextGetter, since this
     44   // ia a browser process specific concept.
     45   void set_is_main(bool is_main) { is_main_ = is_main; }
     46 
     47  protected:
     48   friend class DeleteTask<const URLRequestContextGetter>;
     49   friend struct URLRequestContextGetterTraits;
     50 
     51   URLRequestContextGetter();
     52   virtual ~URLRequestContextGetter();
     53 
     54   bool is_main() const { return is_main_; }
     55 
     56  private:
     57   // OnDestruct is meant to ensure deletion on the thread on which the request
     58   // IO happens.
     59   void OnDestruct() const;
     60 
     61   // Indicates whether or not this is the default URLRequestContextGetter for
     62   // the main Profile.
     63   bool is_main_;
     64 };
     65 
     66 struct URLRequestContextGetterTraits {
     67   static void Destruct(const URLRequestContextGetter* context_getter) {
     68     context_getter->OnDestruct();
     69   }
     70 };
     71 
     72 }  // namespace net
     73 
     74 #endif  // CHROME_COMMON_NET_URL_REQUEST_CONTEXT_GETTER_H_
     75