extension_app_item.h revision 4e180b6a0b4720a9b8e9e959a882386f690f08ff 
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  const std::string& extension_id() const { return extension_id_; }
52
53  static const char kAppType[];
54
55 private:
56  // Gets extension associated with this model. Returns NULL if extension
57  // no longer exists.
58  const extensions::Extension* GetExtension() const;
59
60  // Loads extension icon.
61  void LoadImage(const extensions::Extension* extension);
62
63  // Checks if extension is disabled and if enable flow should be started.
64  // Returns true if extension enable flow is started or there is already one
65  // running.
66  bool RunExtensionEnableFlow();
67
68  // Private equivalent to Activate(), without refocus for already-running apps.
69  void Launch(int event_flags);
70
71  // Whether or not the app item has an overlay.
72  bool HasOverlay() const;
73
74  // Overridden from extensions::IconImage::Observer:
75  virtual void OnExtensionIconImageChanged(
76      extensions::IconImage* image) OVERRIDE;
77
78  // Overridden from ExtensionEnableFlowDelegate:
79  virtual void ExtensionEnableFlowFinished() OVERRIDE;
80  virtual void ExtensionEnableFlowAborted(bool user_initiated) OVERRIDE;
81
82  // Overridden from AppListItemModel:
83  virtual std::string GetSortOrder() const OVERRIDE;
84  virtual void Activate(int event_flags) OVERRIDE;
85  virtual ui::MenuModel* GetContextMenuModel() OVERRIDE;
86  virtual const char* GetAppType() const OVERRIDE;
87
88  // Overridden from app_list::AppContextMenuDelegate:
89  virtual void ExecuteLaunchCommand(int event_flags) OVERRIDE;
90
91  Profile* profile_;
92  const std::string extension_id_;
93  AppListControllerDelegate* controller_;
94
95  scoped_ptr<extensions::IconImage> icon_;
96  scoped_ptr<app_list::AppContextMenu> context_menu_;
97  scoped_ptr<ExtensionEnableFlow> extension_enable_flow_;
98
99  // Name to use for the extension if we can't access it.
100  std::string extension_name_;
101
102  // Icon for the extension if we can't access the installed extension.
103  gfx::ImageSkia installing_icon_;
104
105  // Whether or not this app is a platform app.
106  bool is_platform_app_;
107
108  // Cache initial sort order. Sort order is not synced with the extensions
109  // app ordering once apps are loaded. This will be ignored (or overridden)
110  // once the app list is synced.
111  std::string sort_order_;
112
113  DISALLOW_COPY_AND_ASSIGN(ExtensionAppItem);
114};
115
116#endif  // CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_ITEM_H_
117