1 // Copyright (c) 2012 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.
5 #include "content/browser/resource_context_impl.h"
7 #include "base/logging.h"
8 #include "content/browser/fileapi/chrome_blob_storage_context.h"
9 #include "content/browser/host_zoom_map_impl.h"
10 #include "content/browser/loader/resource_dispatcher_host_impl.h"
11 #include "content/browser/loader/resource_request_info_impl.h"
12 #include "content/browser/streams/stream_context.h"
13 #include "content/browser/webui/url_data_manager_backend.h"
14 #include "content/public/browser/browser_context.h"
15 #include "content/public/browser/browser_thread.h"
16 #include "net/base/keygen_handler.h"
17 #include "net/ssl/client_cert_store.h"
19 using base::UserDataAdapter
;
25 // Key names on ResourceContext.
26 const char kBlobStorageContextKeyName
[] = "content_blob_storage_context";
27 const char kHostZoomMapKeyName
[] = "content_host_zoom_map";
28 const char kStreamContextKeyName
[] = "content_stream_context";
29 const char kURLDataManagerBackendKeyName
[] = "url_data_manager_backend";
31 class NonOwningZoomData
: public base::SupportsUserData::Data
{
33 explicit NonOwningZoomData(HostZoomMap
* hzm
) : host_zoom_map_(hzm
) {}
34 HostZoomMap
* host_zoom_map() { return host_zoom_map_
; }
37 HostZoomMap
* host_zoom_map_
;
40 // Used by the default implementation of GetMediaDeviceIDSalt, below.
41 std::string
ReturnEmptySalt() {
48 ResourceContext::ResourceContext() {
49 if (ResourceDispatcherHostImpl::Get())
50 ResourceDispatcherHostImpl::Get()->AddResourceContext(this);
53 ResourceContext::~ResourceContext() {
54 ResourceDispatcherHostImpl
* rdhi
= ResourceDispatcherHostImpl::Get();
56 rdhi
->CancelRequestsForContext(this);
57 rdhi
->RemoveResourceContext(this);
60 // In some tests this object is destructed on UI thread.
61 DetachUserDataThread();
64 ResourceContext::SaltCallback
ResourceContext::GetMediaDeviceIDSalt() {
65 return base::Bind(&ReturnEmptySalt
);
68 scoped_ptr
<net::ClientCertStore
> ResourceContext::CreateClientCertStore() {
69 return scoped_ptr
<net::ClientCertStore
>();
72 void ResourceContext::CreateKeygenHandler(
73 uint32 key_size_in_bits
,
74 const std::string
& challenge_string
,
76 const base::Callback
<void(scoped_ptr
<net::KeygenHandler
>)>& callback
) {
77 callback
.Run(make_scoped_ptr(
78 new net::KeygenHandler(key_size_in_bits
, challenge_string
, url
)));
81 ChromeBlobStorageContext
* GetChromeBlobStorageContextForResourceContext(
82 ResourceContext
* resource_context
) {
83 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO
));
84 return UserDataAdapter
<ChromeBlobStorageContext
>::Get(
85 resource_context
, kBlobStorageContextKeyName
);
88 StreamContext
* GetStreamContextForResourceContext(
89 ResourceContext
* resource_context
) {
90 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO
));
91 return UserDataAdapter
<StreamContext
>::Get(
92 resource_context
, kStreamContextKeyName
);
95 HostZoomMap
* GetHostZoomMapForResourceContext(ResourceContext
* context
) {
96 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO
));
97 NonOwningZoomData
* result
= static_cast<NonOwningZoomData
*>(
98 context
->GetUserData(kHostZoomMapKeyName
));
101 return result
->host_zoom_map();
104 URLDataManagerBackend
* GetURLDataManagerForResourceContext(
105 ResourceContext
* context
) {
106 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO
));
107 if (!context
->GetUserData(kURLDataManagerBackendKeyName
)) {
108 context
->SetUserData(kURLDataManagerBackendKeyName
,
109 new URLDataManagerBackend());
111 return static_cast<URLDataManagerBackend
*>(
112 context
->GetUserData(kURLDataManagerBackendKeyName
));
115 void InitializeResourceContext(BrowserContext
* browser_context
) {
116 ResourceContext
* resource_context
= browser_context
->GetResourceContext();
117 DCHECK(!resource_context
->GetUserData(kHostZoomMapKeyName
));
119 resource_context
->SetUserData(
120 kBlobStorageContextKeyName
,
121 new UserDataAdapter
<ChromeBlobStorageContext
>(
122 ChromeBlobStorageContext::GetFor(browser_context
)));
124 resource_context
->SetUserData(
125 kStreamContextKeyName
,
126 new UserDataAdapter
<StreamContext
>(
127 StreamContext::GetFor(browser_context
)));
129 // This object is owned by the BrowserContext and not ResourceContext, so
130 // store a non-owning pointer here.
131 resource_context
->SetUserData(
133 new NonOwningZoomData(
134 HostZoomMap::GetDefaultForBrowserContext(browser_context
)));
136 resource_context
->DetachUserDataThread();
139 } // namespace content