1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_MANAGED_MODE_MANAGED_MODE_INTERSTITIAL_H_
6#define CHROME_BROWSER_MANAGED_MODE_MANAGED_MODE_INTERSTITIAL_H_
7
8#include <string>
9
10#include "base/callback.h"
11#include "base/compiler_specific.h"
12#include "base/prefs/pref_change_registrar.h"
13#include "content/public/browser/interstitial_page_delegate.h"
14#include "url/gurl.h"
15
16namespace content {
17class InterstitialPage;
18class WebContents;
19}
20
21// Delegate for an interstitial page when a page is blocked in managed mode
22// because it is not on any whitelist. It lets an authorized user preview the
23// blocked page, to decide later whether to manually allow it.
24class ManagedModeInterstitial : public content::InterstitialPageDelegate {
25 public:
26  ManagedModeInterstitial(content::WebContents* web_contents,
27                          const GURL& url,
28                          const base::Callback<void(bool)>& callback);
29  virtual ~ManagedModeInterstitial();
30
31 private:
32  // InterstitialPageDelegate implementation.
33  virtual std::string GetHTMLContents() OVERRIDE;
34  virtual void CommandReceived(const std::string& command) OVERRIDE;
35  virtual void OnProceed() OVERRIDE;
36  virtual void OnDontProceed() OVERRIDE;
37
38  // Returns whether the blocked URL is now allowed. Called initially before the
39  // interstitial is shown (to catch race conditions), or when the URL filtering
40  // prefs change.
41  bool ShouldProceed();
42
43  void OnFilteringPrefsChanged();
44  void DispatchContinueRequest(bool continue_request);
45
46  // Owns the interstitial, which owns us.
47  content::WebContents* web_contents_;
48
49  content::InterstitialPage* interstitial_page_;  // Owns us.
50
51  PrefChangeRegistrar pref_change_registrar_;
52
53  // The UI language. Used for formatting the URL for display.
54  std::string languages_;
55  GURL url_;
56
57  base::Callback<void(bool)> callback_;
58
59  DISALLOW_COPY_AND_ASSIGN(ManagedModeInterstitial);
60};
61
62#endif  // CHROME_BROWSER_MANAGED_MODE_MANAGED_MODE_INTERSTITIAL_H_
63