extension_action_view_delegate.h revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
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_VIEW_DELEGATE_H_
6#define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_ACTION_VIEW_DELEGATE_H_
7
8namespace content {
9class WebContents;
10}
11
12namespace views {
13class FocusManager;
14class MenuButton;
15class View;
16class Widget;
17}
18
19class ExtensionActionViewController;
20
21// The view that surrounds an ExtensionAction and owns the
22// ExtensionActionViewController. Since different actions can subclass
23// different views, we don't derive views::View directly here.
24class ExtensionActionViewDelegate {
25 public:
26  // Returns |this| as a view. We need this because our subclasses implement
27  // different kinds of views, and inheriting View here is a really bad idea.
28  virtual views::View* GetAsView() = 0;
29
30  // Returns true if this view is being shown inside a menu.
31  virtual bool IsShownInMenu() = 0;
32
33  // Returns the FocusManager to use when registering accelerators.
34  virtual views::FocusManager* GetFocusManagerForAccelerator() = 0;
35
36  // Returns the parent for the associated context menu.
37  virtual views::Widget* GetParentForContextMenu() = 0;
38
39  // In some cases (such as when an action is shown in a menu), a substitute
40  // ExtensionActionViewController should be used for showing popups. This
41  // returns the preferred control.
42  virtual ExtensionActionViewController* GetPreferredPopupViewController() = 0;
43
44  // Returns the reference view for the extension action's popup.
45  virtual views::View* GetReferenceViewForPopup() = 0;
46
47  // Returns the MenuButton (if any) to use in showing the context menu (this
48  // allows views code to update the pressed state of the button).
49  virtual views::MenuButton* GetContextMenuButton() = 0;
50
51  // Returns the current web contents.
52  virtual content::WebContents* GetCurrentWebContents() = 0;
53
54  // Hides whatever popup is active (even if it's not this one).
55  virtual void HideActivePopup() = 0;
56
57  // Called when the icon is updated; this is forwarded from the icon factory.
58  virtual void OnIconUpdated() = 0;
59
60  // Called when a popup is shown. See ExecuteAction() for the definition of
61  // |grant_tab_permissions|.
62  virtual void OnPopupShown(bool grant_tab_permissions) {}
63
64  // Does any additional cleanup after the popup is closed.
65  virtual void CleanupPopup() {}
66
67 protected:
68  virtual ~ExtensionActionViewDelegate() {}
69};
70
71#endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_ACTION_VIEW_DELEGATE_H_
72