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      1 // Copyright 2013 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_INSTANT_IPC_SENDER_H_
      6 #define CHROME_BROWSER_UI_SEARCH_INSTANT_IPC_SENDER_H_
      7 
      8 #include <vector>
      9 
     10 #include "base/memory/scoped_ptr.h"
     11 #include "chrome/common/instant_types.h"
     12 #include "chrome/common/omnibox_focus_state.h"
     13 #include "content/public/browser/web_contents_observer.h"
     14 
     15 namespace gfx {
     16 class Rect;
     17 }
     18 
     19 namespace IPC {
     20 class Sender;
     21 }
     22 
     23 class InstantIPCSender : public content::WebContentsObserver {
     24  public:
     25   // Creates a new instance of InstantIPCSender. If |is_incognito| is true,
     26   // the instance will only send appropriate IPCs for incognito profiles.
     27   static scoped_ptr<InstantIPCSender> Create(bool is_incognito);
     28 
     29   virtual ~InstantIPCSender() {}
     30 
     31   // Sets |web_contents| as the receiver of IPCs.
     32   void SetContents(content::WebContents* web_contents);
     33 
     34   // Tells the page that the user pressed Enter in the omnibox.
     35   virtual void Submit(const string16& text) {}
     36 
     37   // Tells the page the left and right margins of the omnibox. This is used by
     38   // the page to align text or assets properly with the omnibox.
     39   virtual void SetOmniboxBounds(const gfx::Rect& bounds) {}
     40 
     41   // Tells the page about the font information.
     42   virtual void SetFontInformation(const string16& omnibox_font_name,
     43                                   size_t omnibox_font_size) {}
     44 
     45   // Tells the page information it needs to display promos.
     46   virtual void SetPromoInformation(bool is_app_launcher_enabled) {}
     47 
     48   // Tells the page about the current theme background.
     49   virtual void SendThemeBackgroundInfo(
     50       const ThemeBackgroundInfo& theme_info) {}
     51 
     52   // Tells the page that the omnibox focus has changed.
     53   virtual void FocusChanged(OmniboxFocusState state,
     54                             OmniboxFocusChangeReason reason) {}
     55 
     56   // Tells the page that user input started or stopped.
     57   virtual void SetInputInProgress(bool input_in_progress) {}
     58 
     59   // Tells the page about new Most Visited data.
     60   virtual void SendMostVisitedItems(
     61       const std::vector<InstantMostVisitedItem>& items) {}
     62 
     63   // Tells the page to toggle voice search.
     64   virtual void ToggleVoiceSearch() {}
     65 
     66  protected:
     67   InstantIPCSender() {}
     68 
     69  private:
     70   DISALLOW_COPY_AND_ASSIGN(InstantIPCSender);
     71 };
     72 
     73 #endif  // CHROME_BROWSER_UI_SEARCH_INSTANT_IPC_SENDER_H_
     74