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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_PRELOADING_PRERENDER_PRERENDER_HANDLE_IMPL_H_
#define CONTENT_BROWSER_PRELOADING_PRERENDER_PRERENDER_HANDLE_IMPL_H_
#include "base/memory/weak_ptr.h"
#include "content/browser/preloading/prerender/prerender_host.h"
#include "content/public/browser/frame_tree_node_id.h"
#include "content/public/browser/preloading.h"
#include "content/public/browser/prerender_handle.h"
class GURL;
namespace content {
class PrerenderHostRegistry;
class PrerenderHandleImpl final : public PrerenderHandle,
public PrerenderHost::Observer {
public:
PrerenderHandleImpl(
base::WeakPtr<PrerenderHostRegistry> prerender_host_registry,
FrameTreeNodeId frame_tree_node_id,
const GURL& url,
std::optional<net::HttpNoVarySearchData> no_vary_search_hint);
~PrerenderHandleImpl() override;
// PrerenderHandle:
int32_t GetHandleId() const override;
const GURL& GetInitialPrerenderingUrl() const override;
const std::optional<net::HttpNoVarySearchData>& GetNoVarySearchHint()
const override;
base::WeakPtr<PrerenderHandle> GetWeakPtr() override;
void SetPreloadingAttemptFailureReason(
PreloadingFailureReason reason) override;
void AddActivationCallback(base::OnceClosure activation_callback) override;
void AddErrorCallback(base::OnceClosure error_callback) override;
bool IsValid() const override;
// PrerenderHost::Observer:
void OnActivated() override;
void OnFailed(PrerenderFinalStatus status) override;
FrameTreeNodeId frame_tree_node_id_for_testing() const {
return frame_tree_node_id_;
}
private:
PrerenderHost* GetPrerenderHost();
const int handle_id_;
base::WeakPtr<PrerenderHostRegistry> prerender_host_registry_;
// `frame_tree_node_id_` is the root FrameTreeNode id of the prerendered
// page.
const FrameTreeNodeId frame_tree_node_id_;
const GURL prerendering_url_;
const std::optional<net::HttpNoVarySearchData> no_vary_search_hint_;
enum class State { kValid, kActivated, kCanceled };
State state_ = State::kValid;
std::vector<base::OnceClosure> activation_callbacks_;
std::vector<base::OnceClosure> error_callbacks_;
base::WeakPtrFactory<PrerenderHandle> weak_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_PRELOADING_PRERENDER_PRERENDER_HANDLE_IMPL_H_
|
