Home | History | Annotate | Download | only in profiles 
      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_BROWSER_PROFILES_PROFILE_IMPL_IO_DATA_H_
      6 #define CHROME_BROWSER_PROFILES_PROFILE_IMPL_IO_DATA_H_
      7 #pragma once
      8 
      9 #include "base/basictypes.h"
     10 #include "base/hash_tables.h"
     11 #include "base/memory/ref_counted.h"
     12 #include "chrome/browser/profiles/profile_io_data.h"
     13 
     14 namespace net {
     15 class CookiePolicy;
     16 class NetworkDelegate;
     17 class DnsCertProvenanceChecker;
     18 class HttpTransactionFactory;
     19 }  // namespace net
     20 
     21 class ProfileImplIOData : public ProfileIOData {
     22  public:
     23   class Handle {
     24    public:
     25     explicit Handle(Profile* profile);
     26     ~Handle();
     27 
     28     bool HasMainRequestContext() const {
     29       return main_request_context_getter_ != NULL;
     30     }
     31 
     32     // Init() must be called before ~Handle(). It records all the necessary
     33     // parameters needed to construct a ChromeURLRequestContextGetter.
     34     void Init(const FilePath& cookie_path,
     35               const FilePath& cache_path,
     36               int cache_max_size,
     37               const FilePath& media_cache_path,
     38               int media_cache_max_size,
     39               const FilePath& extensions_cookie_path,
     40               const FilePath& app_path);
     41 
     42     const content::ResourceContext& GetResourceContext() const;
     43     scoped_refptr<ChromeURLRequestContextGetter>
     44         GetMainRequestContextGetter() const;
     45     scoped_refptr<ChromeURLRequestContextGetter>
     46         GetMediaRequestContextGetter() const;
     47     scoped_refptr<ChromeURLRequestContextGetter>
     48         GetExtensionsRequestContextGetter() const;
     49     scoped_refptr<ChromeURLRequestContextGetter>
     50         GetIsolatedAppRequestContextGetter(
     51             const std::string& app_id) const;
     52 
     53    private:
     54     typedef base::hash_map<std::string,
     55                            scoped_refptr<ChromeURLRequestContextGetter> >
     56         ChromeURLRequestContextGetterMap;
     57 
     58     // Lazily initialize ProfileParams. We do this on the calls to
     59     // Get*RequestContextGetter(), so we only initialize ProfileParams right
     60     // before posting a task to the IO thread to start using them. This prevents
     61     // objects that are supposed to be deleted on the IO thread, but are created
     62     // on the UI thread from being unnecessarily initialized.
     63     void LazyInitialize() const;
     64 
     65     // Ordering is important here. Do not reorder unless you know what you're
     66     // doing. We need to release |io_data_| *before* the getters, because we
     67     // want to make sure that the last reference for |io_data_| is on the IO
     68     // thread. The getters will be deleted on the IO thread, so they will
     69     // release their refs to their contexts, which will release the last refs to
     70     // the ProfileIOData on the IO thread.
     71     mutable scoped_refptr<ChromeURLRequestContextGetter>
     72         main_request_context_getter_;
     73     mutable scoped_refptr<ChromeURLRequestContextGetter>
     74         media_request_context_getter_;
     75     mutable scoped_refptr<ChromeURLRequestContextGetter>
     76         extensions_request_context_getter_;
     77     mutable ChromeURLRequestContextGetterMap app_request_context_getter_map_;
     78     const scoped_refptr<ProfileImplIOData> io_data_;
     79 
     80     Profile* const profile_;
     81 
     82     mutable bool initialized_;
     83 
     84     DISALLOW_COPY_AND_ASSIGN(Handle);
     85   };
     86 
     87  private:
     88   friend class base::RefCountedThreadSafe<ProfileImplIOData>;
     89 
     90   struct LazyParams {
     91     LazyParams();
     92     ~LazyParams();
     93 
     94     // All of these parameters are intended to be read on the IO thread.
     95     FilePath cookie_path;
     96     FilePath cache_path;
     97     int cache_max_size;
     98     FilePath media_cache_path;
     99     int media_cache_max_size;
    100     FilePath extensions_cookie_path;
    101   };
    102 
    103   typedef base::hash_map<std::string, net::HttpTransactionFactory* >
    104       HttpTransactionFactoryMap;
    105 
    106   ProfileImplIOData();
    107   virtual ~ProfileImplIOData();
    108 
    109   virtual void LazyInitializeInternal(ProfileParams* profile_params) const;
    110   virtual scoped_refptr<RequestContext> InitializeAppRequestContext(
    111       scoped_refptr<ChromeURLRequestContext> main_context,
    112       const std::string& app_id) const;
    113   virtual scoped_refptr<ChromeURLRequestContext>
    114       AcquireMediaRequestContext() const;
    115   virtual scoped_refptr<ChromeURLRequestContext>
    116       AcquireIsolatedAppRequestContext(
    117           scoped_refptr<ChromeURLRequestContext> main_context,
    118           const std::string& app_id) const;
    119 
    120   // Lazy initialization params.
    121   mutable scoped_ptr<LazyParams> lazy_params_;
    122 
    123   mutable scoped_refptr<RequestContext> media_request_context_;
    124 
    125   mutable scoped_ptr<net::HttpTransactionFactory> main_http_factory_;
    126   mutable scoped_ptr<net::HttpTransactionFactory> media_http_factory_;
    127 
    128   // One HttpTransactionFactory per isolated app.
    129   mutable HttpTransactionFactoryMap app_http_factory_map_;
    130 
    131   // Parameters needed for isolated apps.
    132   FilePath app_path_;
    133   mutable bool clear_local_state_on_exit_;
    134 
    135   DISALLOW_COPY_AND_ASSIGN(ProfileImplIOData);
    136 };
    137 
    138 #endif  // CHROME_BROWSER_PROFILES_PROFILE_IMPL_IO_DATA_H_
    139