chrome/browser/ui/search/instant_ipc_sender.h

   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 "base/memory/scoped_ptr.h"
   9 #include "chrome/common/omnibox_focus_state.h"
  10 #include "content/public/browser/web_contents_observer.h"
  11
  12 namespace gfx {
  13 class Rect;
  14 }
  15
  16 namespace IPC {
  17 class Sender;
  18 }
  19
  20 class InstantIPCSender : public content::WebContentsObserver {
  21  public:
  22   // Creates a new instance of InstantIPCSender. If |is_incognito| is true,
  23   // the instance will only send appropriate IPCs for incognito profiles.
  24   static scoped_ptr<InstantIPCSender> Create(bool is_incognito);
  25
  26   virtual ~InstantIPCSender() {}
  27
  28   // Sets |web_contents| as the receiver of IPCs.
  29   void SetContents(content::WebContents* web_contents);
  30
  31
  32   // Tells the page the left and right margins of the omnibox. This is used by
  33   // the page to align text or assets properly with the omnibox.
  34   virtual void SetOmniboxBounds(const gfx::Rect& bounds) {}
  35
  36   // Tells the page that the omnibox focus has changed.
  37   virtual void FocusChanged(OmniboxFocusState state,
  38                             OmniboxFocusChangeReason reason) {}
  39
  40   // Tells the page that user input started or stopped.
  41   virtual void SetInputInProgress(bool input_in_progress) {}
  42
  43  protected:
  44   InstantIPCSender() {}
  45
  46  private:
  47   DISALLOW_COPY_AND_ASSIGN(InstantIPCSender);
  48 };
  49
  50 #endif  // CHROME_BROWSER_UI_SEARCH_INSTANT_IPC_SENDER_H_