extension_app_item.h revision 1e9bf3e0803691d0a228da41fc608347b6db4340 
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_UI_APP_LIST_EXTENSION_APP_ITEM_H_
6#define CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_ITEM_H_
7
8#include <string>
9
10#include "base/memory/scoped_ptr.h"
11#include "chrome/browser/extensions/extension_icon_image.h"
12#include "chrome/browser/ui/app_list/app_context_menu_delegate.h"
13#include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
14#include "ui/app_list/app_list_item_model.h"
15#include "ui/gfx/image/image_skia.h"
16
17class AppListControllerDelegate;
18class ExtensionEnableFlow;
19class Profile;
20
21namespace app_list {
22class AppContextMenu;
23}
24
25namespace extensions {
26class ContextMenuMatcher;
27class Extension;
28}
29
30// ExtensionAppItem represents an extension app in app list.
31class ExtensionAppItem : public app_list::AppListItemModel,
32                         public extensions::IconImage::Observer,
33                         public ExtensionEnableFlowDelegate,
34                         public app_list::AppContextMenuDelegate {
35 public:
36  ExtensionAppItem(Profile* profile,
37                   const std::string& extension_id,
38                   AppListControllerDelegate* controller,
39                   const std::string& extension_name,
40                   const gfx::ImageSkia& installing_icon,
41                   bool is_platform_app);
42  virtual ~ExtensionAppItem();
43
44  // Reload the title and icon from the underlying extension.
45  void Reload();
46
47  // Updates the app item's icon, if necessary adding an overlay and/or making
48  // it gray.
49  void UpdateIcon();
50
51  // Update page and app launcher ordinals to put the app in between |prev| and
52  // |next|. Note that |prev| and |next| could be NULL when the app is put at
53  // the beginning or at the end.
54  void Move(const ExtensionAppItem* prev, const ExtensionAppItem* next);
55
56  const std::string& extension_id() const { return extension_id_; }
57
58  static const char kAppType[];
59
60 private:
61  // Gets extension associated with this model. Returns NULL if extension
62  // no longer exists.
63  const extensions::Extension* GetExtension() const;
64
65  // Loads extension icon.
66  void LoadImage(const extensions::Extension* extension);
67
68  // Checks if extension is disabled and if enable flow should be started.
69  // Returns true if extension enable flow is started or there is already one
70  // running.
71  bool RunExtensionEnableFlow();
72
73  // Private equivalent to Activate(), without refocus for already-running apps.
74  void Launch(int event_flags);
75
76  // Whether or not the app item has an overlay.
77  bool HasOverlay() const;
78
79  // Overridden from extensions::IconImage::Observer:
80  virtual void OnExtensionIconImageChanged(
81      extensions::IconImage* image) OVERRIDE;
82
83  // Overridden from ExtensionEnableFlowDelegate:
84  virtual void ExtensionEnableFlowFinished() OVERRIDE;
85  virtual void ExtensionEnableFlowAborted(bool user_initiated) OVERRIDE;
86
87  // Overridden from AppListItemModel:
88  virtual void Activate(int event_flags) OVERRIDE;
89  virtual ui::MenuModel* GetContextMenuModel() OVERRIDE;
90  virtual const char* GetAppType() const OVERRIDE;
91
92  // Overridden from app_list::AppContextMenuDelegate:
93  virtual void ExecuteLaunchCommand(int event_flags) OVERRIDE;
94
95  // Set the position from the extension ordering.
96  void UpdatePositionFromExtensionOrdering();
97
98  Profile* profile_;
99  const std::string extension_id_;
100  AppListControllerDelegate* controller_;
101
102  scoped_ptr<extensions::IconImage> icon_;
103  scoped_ptr<app_list::AppContextMenu> context_menu_;
104  scoped_ptr<ExtensionEnableFlow> extension_enable_flow_;
105
106  // Name to use for the extension if we can't access it.
107  std::string extension_name_;
108
109  // Icon for the extension if we can't access the installed extension.
110  gfx::ImageSkia installing_icon_;
111
112  // Whether or not this app is a platform app.
113  bool is_platform_app_;
114
115  DISALLOW_COPY_AND_ASSIGN(ExtensionAppItem);
116};
117
118#endif  // CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_ITEM_H_
119