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// Copyright (c) 2011 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_OMNIBOX_SEARCH_HINT_H_
#define CHROME_BROWSER_OMNIBOX_SEARCH_HINT_H_
#pragma once
#include <map>
#include <string>
#include "base/compiler_specific.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
class Profile;
class TabContentsWrapper;
// This class is responsible for showing an info-bar that tells the user she
// can type her search query directly in the omnibox.
// It is displayed when the user visits a known search engine URL and has not
// searched from the omnibox before, or has not previously dismissed a similar
// info-bar.
class OmniboxSearchHint : public content::NotificationObserver {
public:
explicit OmniboxSearchHint(TabContentsWrapper* tab);
virtual ~OmniboxSearchHint();
// content::NotificationObserver method:
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// Focus the location bar and displays a message instructing that search
// queries can be typed directly in there.
void ShowEnteringQuery();
TabContentsWrapper* tab() { return tab_; }
// Disables the hint infobar permanently, so that it does not show ever again.
void DisableHint();
// Returns true if the profile and current environment make the showing of the
// hint infobar possible.
static bool IsEnabled(Profile* profile);
private:
void ShowInfoBar();
content::NotificationRegistrar notification_registrar_;
// The tab we are associated with.
TabContentsWrapper* tab_;
// A map containing the URLs of the search engine for which we want to
// trigger the hint.
std::map<std::string, int> search_engine_urls_;
DISALLOW_COPY_AND_ASSIGN(OmniboxSearchHint);
};
#endif // CHROME_BROWSER_OMNIBOX_SEARCH_HINT_H_
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