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
|
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_BLOCKED_CONTENT_POPUNDER_PREVENTER_H_
#define CHROME_BROWSER_UI_BLOCKED_CONTENT_POPUNDER_PREVENTER_H_
#include <vector>
#include "base/memory/weak_ptr.h"
namespace content {
class WebContents;
} // namespace content
// An object to block creation of pop-unders.
//
// This must be used whenever a window is activated. To use it, simply create an
// instance of PopunderPreventer *before* a WebContents is activated, and pass
// to the constructor the WebContents that is about to be activated. Additional
// activations of the same WebContents should call WillActivateWebContents().
class PopunderPreventer {
public:
explicit PopunderPreventer(content::WebContents* activating_contents);
PopunderPreventer(const PopunderPreventer&) = delete;
PopunderPreventer& operator=(const PopunderPreventer&) = delete;
~PopunderPreventer();
// Clients should call this before the WebContents is activated additional
// times during prolonged PopunderPreventer lifetimes. This records any other
// active popup that should regain activation when the preventer is destroyed.
void WillActivateWebContents(content::WebContents* activating_contents);
// Clients can call this when a potential popunder is discovered, even if it
// does not currently have activation; qualifying popups added here will
// regain activation when the preventer is destroyed.
void AddPotentialPopunder(content::WebContents* popup);
private:
std::vector<base::WeakPtr<content::WebContents>> popups_;
base::WeakPtr<content::WebContents> activating_contents_;
};
#endif // CHROME_BROWSER_UI_BLOCKED_CONTENT_POPUNDER_PREVENTER_H_
|
