chrome/browser/ui/browser_instant_controller.h

   1 // Copyright 2012 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_BROWSER_INSTANT_CONTROLLER_H_
   6 #define CHROME_BROWSER_UI_BROWSER_INSTANT_CONTROLLER_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "chrome/browser/search/instant_service_observer.h"
  13 #include "chrome/browser/ui/search/instant_controller.h"
  14 #include "chrome/browser/ui/search/search_model_observer.h"
  15
  16 class Browser;
  17 struct InstantSuggestion;
  18 class Profile;
  19
  20 namespace content {
  21 class WebContents;
  22 }
  23
  24 namespace gfx {
  25 class Rect;
  26 }
  27
  28 class BrowserInstantController : public SearchModelObserver,
  29                                  public InstantServiceObserver {
  30  public:
  31   explicit BrowserInstantController(Browser* browser);
  32   virtual ~BrowserInstantController();
  33
  34   // Commits the current Instant, returning true on success. This is intended
  35   // for use from OpenCurrentURL.
  36   bool OpenInstant(WindowOpenDisposition disposition, const GURL& url);
  37
  38   // Returns the Profile associated with the Browser that owns this object.
  39   Profile* profile() const;
  40
  41   // Returns the InstantController or NULL if there is no InstantController for
  42   // this BrowserInstantController.
  43   InstantController* instant() { return &instant_; }
  44
  45   // Invoked by |instant_| to get the currently active tab.
  46   content::WebContents* GetActiveWebContents() const;
  47
  48   // Invoked by |browser_| when the active tab changes.
  49   void ActiveTabChanged();
  50
  51   // Invoked by |browser_| when the active tab is about to be deactivated.
  52   void TabDeactivated(content::WebContents* contents);
  53
  54   // Sets the stored omnibox bounds.
  55   void SetOmniboxBounds(const gfx::Rect& bounds);
  56
  57  private:
  58   // Overridden from search::SearchModelObserver:
  59   virtual void ModelChanged(const SearchModel::State& old_state,
  60                             const SearchModel::State& new_state) OVERRIDE;
  61
  62   // Overridden from InstantServiceObserver:
  63   virtual void DefaultSearchProviderChanged() OVERRIDE;
  64   virtual void GoogleURLUpdated() OVERRIDE;
  65
  66   // Reloads the tabs in instant process to ensure that their privileged status
  67   // is still valid.
  68   void ReloadTabsInInstantProcess();
  69
  70   // Replaces the contents at tab |index| with |new_contents| and deletes the
  71   // existing contents.
  72   void ReplaceWebContentsAt(int index,
  73                             scoped_ptr<content::WebContents> new_contents);
  74
  75   Browser* const browser_;
  76
  77   InstantController instant_;
  78
  79   DISALLOW_COPY_AND_ASSIGN(BrowserInstantController);
  80 };
  81
  82 #endif  // CHROME_BROWSER_UI_BROWSER_INSTANT_CONTROLLER_H_