blob: 62351aebf5fddcbc9c4ba4a07ab0cc4ace18c262 (
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
56
57
58
59
|
// Copyright 2014 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 CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_DELEGATE_H_
#define CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_DELEGATE_H_
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "content/common/content_export.h"
namespace net {
struct RedirectInfo;
}
namespace content {
class StreamHandle;
struct ResourceResponse;
// PlzNavigate: The delegate interface to NavigationURLLoader.
class CONTENT_EXPORT NavigationURLLoaderDelegate {
public:
// Called when the request is redirected. Call FollowRedirect to continue
// processing the request.
virtual void OnRequestRedirected(
const net::RedirectInfo& redirect_info,
const scoped_refptr<ResourceResponse>& response) = 0;
// Called when the request receives its response. No further calls will be
// made to the delegate. The response body is returned as a stream in
// |body_stream|.
virtual void OnResponseStarted(
const scoped_refptr<ResourceResponse>& response,
scoped_ptr<StreamHandle> body_stream) = 0;
// Called if the request fails before receving a response. |net_error| is a
// network error code for the failure. |has_stale_copy_in_cache| is true if
// there is a stale copy of the unreachable page in cache.
virtual void OnRequestFailed(bool has_stale_copy_in_cache, int net_error) = 0;
// Called after the network request has begun on the IO thread at time
// |timestamp|. This is just a thread hop but is used to compare timing
// against the pre-PlzNavigate codepath which didn't start the network request
// until after the renderer was initialized.
virtual void OnRequestStarted(base::TimeTicks timestamp) = 0;
protected:
NavigationURLLoaderDelegate() {}
virtual ~NavigationURLLoaderDelegate() {}
private:
DISALLOW_COPY_AND_ASSIGN(NavigationURLLoaderDelegate);
};
} // namespace content
#endif // CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_DELEGATE_H_
|
