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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 | |
16 namespace content { | |
17 class InterstitialPage; | |
18 class 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. | |
24 class ManagedModeInterstitial : public content::InterstitialPageDelegate { | |
25 public: | |
26 static void Show(content::WebContents* web_contents, | |
27 const GURL& url, | |
28 const base::Callback<void(bool)>& callback); | |
29 | |
30 private: | |
31 ManagedModeInterstitial(content::WebContents* web_contents, | |
32 const GURL& url, | |
33 const base::Callback<void(bool)>& callback); | |
34 virtual ~ManagedModeInterstitial(); | |
35 | |
36 bool Init(); | |
37 | |
38 // InterstitialPageDelegate implementation. | |
39 virtual std::string GetHTMLContents() OVERRIDE; | |
40 virtual void CommandReceived(const std::string& command) OVERRIDE; | |
41 virtual void OnProceed() OVERRIDE; | |
42 virtual void OnDontProceed() OVERRIDE; | |
43 | |
44 // Returns whether the blocked URL is now allowed. Called initially before the | |
45 // interstitial is shown (to catch race conditions), or when the URL filtering | |
46 // prefs change. | |
47 bool ShouldProceed(); | |
48 | |
49 void OnFilteringPrefsChanged(); | |
50 void DispatchContinueRequest(bool continue_request); | |
51 | |
52 // Owns the interstitial, which owns us. | |
53 content::WebContents* web_contents_; | |
54 | |
55 content::InterstitialPage* interstitial_page_; // Owns us. | |
56 | |
57 PrefChangeRegistrar pref_change_registrar_; | |
58 | |
59 // The UI language. Used for formatting the URL for display. | |
60 std::string languages_; | |
61 GURL url_; | |
62 | |
63 base::Callback<void(bool)> callback_; | |
64 | |
65 DISALLOW_COPY_AND_ASSIGN(ManagedModeInterstitial); | |
66 }; | |
67 | |
68 #endif // CHROME_BROWSER_MANAGED_MODE_MANAGED_MODE_INTERSTITIAL_H_ | |
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