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 #ifndef CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
6 #define CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
10 #include "base/compiler_specific.h"
11 #include "base/memory/ref_counted.h"
12 #include "chrome/browser/external_protocol/external_protocol_handler.h"
13 #include "content/public/browser/resource_dispatcher_host_delegate.h"
15 class DelayedResourceQueue
;
16 class DownloadRequestLimiter
;
17 class SafeBrowsingService
;
19 namespace extensions
{
20 class UserScriptListener
;
24 class PrerenderTracker
;
27 // Implements ResourceDispatcherHostDelegate. Currently used by the Prerender
28 // system to abort requests and add to the load flags when a request begins.
29 class ChromeResourceDispatcherHostDelegate
30 : public content::ResourceDispatcherHostDelegate
{
32 // This class does not take ownership of the tracker but merely holds a
33 // reference to it to avoid accessing g_browser_process.
34 // |prerender_tracker| must outlive |this|.
35 explicit ChromeResourceDispatcherHostDelegate(
36 prerender::PrerenderTracker
* prerender_tracker
);
37 virtual ~ChromeResourceDispatcherHostDelegate();
39 // ResourceDispatcherHostDelegate implementation.
40 virtual bool ShouldBeginRequest(
43 const std::string
& method
,
45 ResourceType::Type resource_type
,
46 content::ResourceContext
* resource_context
) OVERRIDE
;
47 virtual void RequestBeginning(
48 net::URLRequest
* request
,
49 content::ResourceContext
* resource_context
,
50 appcache::AppCacheService
* appcache_service
,
51 ResourceType::Type resource_type
,
54 ScopedVector
<content::ResourceThrottle
>* throttles
) OVERRIDE
;
55 virtual void WillTransferRequestToNewProcess(
61 int new_request_id
) OVERRIDE
;
62 virtual void DownloadStarting(
63 net::URLRequest
* request
,
64 content::ResourceContext
* resource_context
,
68 bool is_content_initiated
,
70 ScopedVector
<content::ResourceThrottle
>* throttles
) OVERRIDE
;
71 virtual content::ResourceDispatcherHostLoginDelegate
* CreateLoginDelegate(
72 net::AuthChallengeInfo
* auth_info
, net::URLRequest
* request
) OVERRIDE
;
73 virtual bool HandleExternalProtocol(const GURL
& url
,
75 int route_id
) OVERRIDE
;
76 virtual bool ShouldForceDownloadResource(
77 const GURL
& url
, const std::string
& mime_type
) OVERRIDE
;
78 virtual bool ShouldInterceptResourceAsStream(
79 content::ResourceContext
* resource_context
,
81 const std::string
& mime_type
,
83 std::string
* target_id
) OVERRIDE
;
84 virtual void OnStreamCreated(
85 content::ResourceContext
* resource_context
,
86 int render_process_id
,
88 const std::string
& target_id
,
89 scoped_ptr
<content::StreamHandle
> stream
,
90 int64 expected_content_size
) OVERRIDE
;
91 virtual void OnResponseStarted(
92 net::URLRequest
* request
,
93 content::ResourceContext
* resource_context
,
94 content::ResourceResponse
* response
,
95 IPC::Sender
* sender
) OVERRIDE
;
96 virtual void OnRequestRedirected(
97 const GURL
& redirect_url
,
98 net::URLRequest
* request
,
99 content::ResourceContext
* resource_context
,
100 content::ResourceResponse
* response
) OVERRIDE
;
102 // Called on the UI thread. Allows switching out the
103 // ExternalProtocolHandler::Delegate for testing code.
104 static void SetExternalProtocolHandlerDelegateForTesting(
105 ExternalProtocolHandler::Delegate
* delegate
);
108 void AppendStandardResourceThrottles(
109 net::URLRequest
* request
,
110 content::ResourceContext
* resource_context
,
111 ResourceType::Type resource_type
,
112 ScopedVector
<content::ResourceThrottle
>* throttles
);
114 // Adds Chrome experiment and metrics state as custom headers to |request|.
115 // This is a best-effort attempt, and does not interrupt the request if the
116 // headers can not be appended.
117 void AppendChromeMetricsHeaders(
118 net::URLRequest
* request
,
119 content::ResourceContext
* resource_context
,
120 ResourceType::Type resource_type
);
122 #if defined(ENABLE_ONE_CLICK_SIGNIN)
123 // Append headers required to tell Gaia whether the sync interstitial
124 // should be shown or not. This header is only added for valid Gaia URLs.
125 void AppendChromeSyncGaiaHeader(
126 net::URLRequest
* request
,
127 content::ResourceContext
* resource_context
);
130 scoped_refptr
<DownloadRequestLimiter
> download_request_limiter_
;
131 scoped_refptr
<SafeBrowsingService
> safe_browsing_
;
132 scoped_refptr
<extensions::UserScriptListener
> user_script_listener_
;
133 prerender::PrerenderTracker
* prerender_tracker_
;
135 DISALLOW_COPY_AND_ASSIGN(ChromeResourceDispatcherHostDelegate
);
138 #endif // CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_