chrome/browser/ui/views/extensions/extension_action_platform_delegate_views.h

   1 // Copyright 2014 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_VIEWS_EXTENSIONS_EXTENSION_ACTION_PLATFORM_DELEGATE_VIEWS_H_
   6 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_ACTION_PLATFORM_DELEGATE_VIEWS_H_
   7
   8 #include "chrome/browser/ui/extensions/extension_action_platform_delegate.h"
   9 #include "content/public/browser/notification_observer.h"
  10 #include "content/public/browser/notification_registrar.h"
  11 #include "ui/base/accelerators/accelerator.h"
  12
  13 class ToolbarActionViewDelegateViews;
  14
  15 // An abstract "View" for an ExtensionAction (either a BrowserAction or a
  16 // PageAction). This contains the logic for showing the action's popup and
  17 // the context menu. This class doesn't subclass View directly, as the
  18 // implementations for page actions/browser actions are different types of
  19 // views.
  20 // All common logic for executing extension actions should go in this class;
  21 // ToolbarActionViewDelegate classes should only have knowledge relating to
  22 // the views::View wrapper.
  23 class ExtensionActionPlatformDelegateViews
  24     : public ExtensionActionPlatformDelegate,
  25       public content::NotificationObserver,
  26       public ui::AcceleratorTarget {
  27  public:
  28   ExtensionActionPlatformDelegateViews(
  29       ExtensionActionViewController* controller);
  30   ~ExtensionActionPlatformDelegateViews() override;
  31
  32  private:
  33   // ExtensionActionPlatformDelegate:
  34   void RegisterCommand() override;
  35   void ShowPopup(
  36       scoped_ptr<extensions::ExtensionViewHost> host,
  37       bool grant_tab_permissions,
  38       ExtensionActionViewController::PopupShowAction show_action) override;
  39   void CloseOverflowMenu() override;
  40
  41   // content::NotificationObserver:
  42   void Observe(int type,
  43                const content::NotificationSource& source,
  44                const content::NotificationDetails& details) override;
  45
  46   // ui::AcceleratorTarget:
  47   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
  48   bool CanHandleAccelerators() const override;
  49
  50   // Unregisters the accelerator for the extension action's command, if one
  51   // exists. If |only_if_removed| is true, then this will only unregister if the
  52   // command has been removed.
  53   void UnregisterCommand(bool only_if_removed);
  54
  55   ToolbarActionViewDelegateViews* GetDelegateViews() const;
  56
  57   // The owning ExtensionActionViewController.
  58   ExtensionActionViewController* controller_;
  59
  60   // The extension key binding accelerator this extension action is listening
  61   // for (to show the popup).
  62   scoped_ptr<ui::Accelerator> action_keybinding_;
  63
  64   content::NotificationRegistrar registrar_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(ExtensionActionPlatformDelegateViews);
  67 };
  68
  69 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_ACTION_PLATFORM_DELEGATE_VIEWS_H_