chrome/browser/extensions/page_action_controller.h

   1 // Copyright (c) 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_EXTENSIONS_PAGE_ACTION_CONTROLLER_H_
   6 #define CHROME_BROWSER_EXTENSIONS_PAGE_ACTION_CONTROLLER_H_
   7
   8 #include <string>
   9
  10 #include "base/observer_list.h"
  11 #include "chrome/browser/extensions/location_bar_controller.h"
  12 #include "content/public/browser/web_contents_observer.h"
  13
  14 class Profile;
  15
  16 namespace extensions {
  17 class ExtensionRegistry;
  18
  19 // A LocationBarController which populates the location bar with icons based
  20 // on the page_action extension API.
  21 class PageActionController : public LocationBarController,
  22                              public content::WebContentsObserver {
  23  public:
  24   explicit PageActionController(content::WebContents* web_contents);
  25   virtual ~PageActionController();
  26
  27   // LocationBarController implementation.
  28   virtual std::vector<ExtensionAction*> GetCurrentActions() const OVERRIDE;
  29   virtual Action OnClicked(const std::string& extension_id,
  30                            int mouse_button) OVERRIDE;
  31   virtual void NotifyChange() OVERRIDE;
  32
  33   // content::WebContentsObserver implementation.
  34   virtual void DidNavigateMainFrame(
  35       const content::LoadCommittedDetails& details,
  36       const content::FrameNavigateParams& params) OVERRIDE;
  37
  38  private:
  39   // Gets the Profile for the web contents.
  40   Profile* GetProfile() const;
  41
  42   // Gets the ExtensionRegistry for the web contents.
  43   ExtensionRegistry* GetExtensionRegistry() const;
  44
  45   DISALLOW_COPY_AND_ASSIGN(PageActionController);
  46 };
  47
  48 }  // namespace extensions
  49
  50 #endif  // CHROME_BROWSER_EXTENSIONS_PAGE_ACTION_CONTROLLER_H_