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
75
76
77
78
79
80
81
|
// Copyright 2013 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 COMPONENTS_AUTOFILL_CONTENT_RENDERER_PAGE_CLICK_TRACKER_H_
#define COMPONENTS_AUTOFILL_CONTENT_RENDERER_PAGE_CLICK_TRACKER_H_
#include <vector>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/public/renderer/render_frame_observer.h"
#include "content/public/renderer/render_view_observer.h"
#include "third_party/WebKit/public/web/WebNode.h"
namespace autofill {
class PageClickListener;
// This class is responsible notifying the associated listener when a node is
// clicked or tapped. It also tracks whether a node was focused before the event
// was handled.
//
// This is useful for password/form autofill where we want to trigger a
// suggestion popup when a text input is clicked.
//
// There is one PageClickTracker per AutofillAgent.
class PageClickTracker : public content::RenderFrameObserver {
public:
// The |listener| will be notified when an element is clicked. It must
// outlive this class.
PageClickTracker(content::RenderFrame* render_frame,
PageClickListener* listener);
~PageClickTracker() override;
private:
// TODO(estade): migrate this stuff to content::RenderFrameObserver, and
// remove this class.
class Legacy : public content::RenderViewObserver {
public:
Legacy(PageClickTracker* tracker);
// RenderViewObserver implementation.
void OnDestruct() override;
void OnMouseDown(const blink::WebNode& mouse_down_node) override;
void FocusChangeComplete() override;
private:
PageClickTracker* tracker_;
};
friend class Legacy;
// RenderFrameObserver implementation.
void FocusedNodeChanged(const blink::WebNode& node) override;
void OnDestruct() override;
// RenderViewObserver methods forwarded from Legacy. Should be
// merged into RenderFrameObserver.
void OnMouseDown(const blink::WebNode& mouse_down_node);
void FocusChangeComplete();
void DoFocusChangeComplete();
// True when the last click was on the focused node.
bool focused_node_was_last_clicked_;
// This is set to false when the focus changes, then set back to true soon
// afterwards. This helps track whether an event happened after a node was
// already focused, or if it caused the focus to change.
bool was_focused_before_now_;
// The listener getting the actual notifications.
PageClickListener* listener_;
Legacy legacy_;
DISALLOW_COPY_AND_ASSIGN(PageClickTracker);
};
} // namespace autofill
#endif // COMPONENTS_AUTOFILL_CONTENT_RENDERER_PAGE_CLICK_TRACKER_H_
|
