chrome/browser/extensions/location_bar_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_LOCATION_BAR_CONTROLLER_H_
   6 #define CHROME_BROWSER_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_
   7
   8 #include <set>
   9 #include <string>
  10 #include <vector>
  11
  12 class ExtensionAction;
  13
  14 namespace extensions {
  15
  16 // Interface for a class that controls the the extension icons that show up in
  17 // the location bar. Depending on switches, these icons can have differing
  18 // behavior.
  19 class LocationBarController {
  20  public:
  21   // The reaction that the UI should take after executing |OnClicked|.
  22   enum Action {
  23     ACTION_NONE,
  24     ACTION_SHOW_POPUP,
  25     ACTION_SHOW_CONTEXT_MENU,
  26   };
  27
  28   virtual ~LocationBarController() {}
  29
  30   // Gets the action data for all extensions.
  31   virtual std::vector<ExtensionAction*> GetCurrentActions() const = 0;
  32
  33   // Notifies this that the badge for an extension has been clicked with some
  34   // mouse button (1 for left, 2 for middle, and 3 for right click), and
  35   // returns the action that should be taken in response (if any).
  36   // TODO(kalman): make mouse_button an enum.
  37   virtual Action OnClicked(const std::string& extension_id,
  38                            int mouse_button) = 0;
  39
  40   // Notifies clients that the icons have changed.
  41   virtual void NotifyChange() = 0;
  42 };
  43
  44 }  // namespace extensions
  45
  46 #endif  // CHROME_BROWSER_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_