blob: d848f08b548d25f23146ae6725c056dfe07856b1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
// Copyright (c) 2009 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 WEBKIT_APPCACHE_APPCACHE_REQUEST_HANDLER_H_
#define WEBKIT_APPCACHE_APPCACHE_REQUEST_HANDLER_H_
#include "net/url_request/url_request.h"
#include "webkit/appcache/appcache_host.h"
class URLRequest;
class URLRequestJob;
namespace appcache {
// An instance is created for each URLRequest. The instance survives all
// http transactions involved in the processing of its URLRequest, and is
// given the opportunity to hijack the request along the way. Callers
// should use AppCacheHost::CreateRequestHandler to manufacture instances
// that can retrieve resources for a particular host.
class AppCacheRequestHandler : public URLRequest::UserData,
public AppCacheHost::Observer {
public:
virtual ~AppCacheRequestHandler();
// Should be called on each request intercept opportunity.
URLRequestJob* MaybeLoadResource(URLRequest* request);
URLRequestJob* MaybeLoadFallbackForRedirect(URLRequest* request,
const GURL& location);
URLRequestJob* MaybeLoadFallbackForResponse(URLRequest* request);
void GetExtraResponseInfo(int64* cache_id, GURL* manifest_url);
private:
friend class AppCacheHost;
// Callers should use AppCacheHost::CreateRequestHandler.
AppCacheRequestHandler(AppCacheHost* host, bool is_main_resource);
// AppCacheHost::Observer methods
virtual void OnCacheSelectionComplete(AppCacheHost* host);
virtual void OnDestructionImminent(AppCacheHost* host);
// Main vs subresource loads are very different.
// TODO(michaeln): maybe have two derived classes?
bool is_main_request_;
AppCacheHost* host_;
scoped_refptr<AppCache> cache_;
scoped_refptr<URLRequestJob> job_;
};
} // namespace appcache
#endif // WEBKIT_APPCACHE_APPCACHE_REQUEST_HANDLER_H_
|
