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// Copyright 2014 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 CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_INTERSTITIAL_H_
#define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_INTERSTITIAL_H_
#include <string>
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/prefs/pref_change_registrar.h"
#include "content/public/browser/interstitial_page_delegate.h"
#include "url/gurl.h"
namespace content {
class InterstitialPage;
class WebContents;
}
// Delegate for an interstitial page when a page is blocked for a supervised
// user because it is on a blacklist (in "allow everything" mode) or not on any
// whitelist (in "allow only specified sites" mode).
class SupervisedUserInterstitial : public content::InterstitialPageDelegate {
public:
static void Show(content::WebContents* web_contents,
const GURL& url,
const base::Callback<void(bool)>& callback);
private:
SupervisedUserInterstitial(content::WebContents* web_contents,
const GURL& url,
const base::Callback<void(bool)>& callback);
virtual ~SupervisedUserInterstitial();
bool Init();
// InterstitialPageDelegate implementation.
virtual std::string GetHTMLContents() OVERRIDE;
virtual void CommandReceived(const std::string& command) OVERRIDE;
virtual void OnProceed() OVERRIDE;
virtual void OnDontProceed() OVERRIDE;
// Returns whether the blocked URL is now allowed. Called initially before the
// interstitial is shown (to catch race conditions), or when the URL filtering
// prefs change.
bool ShouldProceed();
void OnFilteringPrefsChanged();
void DispatchContinueRequest(bool continue_request);
// Owns the interstitial, which owns us.
content::WebContents* web_contents_;
content::InterstitialPage* interstitial_page_; // Owns us.
PrefChangeRegistrar pref_change_registrar_;
// The UI language. Used for formatting the URL for display.
std::string languages_;
GURL url_;
base::Callback<void(bool)> callback_;
DISALLOW_COPY_AND_ASSIGN(SupervisedUserInterstitial);
};
#endif // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_INTERSTITIAL_H_
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