chrome/browser/ui/search/search_tab_helper_delegate.h

   1 // Copyright 2014 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_UI_SEARCH_SEARCH_TAB_HELPER_DELEGATE_H_
   6 #define CHROME_BROWSER_UI_SEARCH_SEARCH_TAB_HELPER_DELEGATE_H_
   7
   8 #include <set>
   9 #include <string>
  10
  11 #include "ui/base/window_open_disposition.h"
  12
  13 namespace content {
  14 class WebContents;
  15 }
  16
  17 class GURL;
  18 class OmniboxView;
  19
  20 // Objects implement this interface to get notified about changes in the
  21 // SearchTabHelper and to provide necessary functionality.
  22 class SearchTabHelperDelegate {
  23  public:
  24   // Navigates the page to |url| in response to a click event. Usually used
  25   // by the page to navigate to privileged destinations (e.g. chrome:// URLs) or
  26   // to navigate to URLs that are hidden from the page using Restricted IDs
  27   // (rid in the API).
  28   //
  29   // TODO(kmadhusu): Handle search results page navigations to privileged
  30   // destinations in a seperate function. This function should handle only the
  31   // new tab page thumbnail click events.
  32   virtual void NavigateOnThumbnailClick(const GURL& url,
  33                                         WindowOpenDisposition disposition,
  34                                         content::WebContents* source_contents);
  35
  36   // Invoked when the |web_contents| no longer supports Instant.
  37   virtual void OnWebContentsInstantSupportDisabled(
  38       const content::WebContents* web_contents);
  39
  40   // Returns the OmniboxView or NULL if not available.
  41   virtual OmniboxView* GetOmniboxView();
  42
  43   // Returns a set containing the canonical URLs of the currently open tabs.
  44   virtual std::set<std::string> GetOpenUrls();
  45
  46  protected:
  47   virtual ~SearchTabHelperDelegate();
  48 };
  49
  50 #endif  // CHROME_BROWSER_UI_SEARCH_SEARCH_TAB_HELPER_DELEGATE_H_