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 <set>
   9 #include <string>
  10
  11 #include "base/observer_list.h"
  12 #include "chrome/browser/extensions/location_bar_controller.h"
  13 #include "content/public/browser/web_contents_observer.h"
  14
  15 class ExtensionService;
  16 class Profile;
  17
  18 namespace extensions {
  19
  20 // A LocationBarController which populates the location bar with icons based
  21 // on the page_action extension API.
  22 class PageActionController : public LocationBarController,
  23                              public content::WebContentsObserver {
  24  public:
  25   explicit PageActionController(content::WebContents* web_contents);
  26   virtual ~PageActionController();
  27
  28   // LocationBarController implementation.
  29   virtual std::vector<ExtensionAction*> GetCurrentActions() const OVERRIDE;
  30   // Page actions can't try to get attention.
  31   virtual void GetAttentionFor(const std::string& extension_id) OVERRIDE {}
  32   virtual Action OnClicked(const std::string& extension_id,
  33                            int mouse_button) OVERRIDE;
  34   virtual void NotifyChange() OVERRIDE;
  35
  36   // content::WebContentsObserver implementation.
  37   virtual void DidNavigateMainFrame(
  38       const content::LoadCommittedDetails& details,
  39       const content::FrameNavigateParams& params) OVERRIDE;
  40
  41  private:
  42   // Gets the Profile for the web contents.
  43   Profile* profile() const;
  44
  45   // Gets the ExtensionService for the web contents.
  46   ExtensionService* GetExtensionService() const;
  47
  48   DISALLOW_COPY_AND_ASSIGN(PageActionController);
  49 };
  50
  51 }  // namespace extensions
  52
  53 #endif  // CHROME_BROWSER_EXTENSIONS_PAGE_ACTION_CONTROLLER_H_