extension_app_item.h revision a93a17c8d99d686bd4a1511e5504e5e6cc9fcadf 
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/chrome_app_list_item.h"
13#include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
14#include "sync/api/string_ordinal.h"
15#include "ui/base/models/simple_menu_model.h"
16#include "ui/gfx/image/image_skia.h"
17
18class AppListControllerDelegate;
19class ExtensionEnableFlow;
20class Profile;
21
22namespace extensions {
23class ContextMenuMatcher;
24class Extension;
25}
26
27// ExtensionAppItem represents an extension app in app list.
28class ExtensionAppItem : public ChromeAppListItem,
29                         public extensions::IconImage::Observer,
30                         public ExtensionEnableFlowDelegate,
31                         public ui::SimpleMenuModel::Delegate {
32 public:
33  ExtensionAppItem(Profile* profile,
34                   const std::string& extension_id,
35                   AppListControllerDelegate* controller,
36                   const std::string& extension_name,
37                   const gfx::ImageSkia& installing_icon,
38                   bool is_platform_app);
39  virtual ~ExtensionAppItem();
40
41  // Reload the title and icon from the underlying extension.
42  void Reload();
43
44  syncer::StringOrdinal GetPageOrdinal() const;
45  syncer::StringOrdinal GetAppLaunchOrdinal() const;
46
47  // Update page and app launcher ordinals to put the app in between |prev| and
48  // |next|. Note that |prev| and |next| could be NULL when the app is put at
49  // the beginning or at the end.
50  void Move(const ExtensionAppItem* prev, const ExtensionAppItem* next);
51
52  // Updates the app item's icon, if necessary adding an overlay and/or making
53  // it gray.
54  void UpdateIcon();
55
56  const std::string& extension_id() const { return extension_id_; }
57
58  // Overridden from ChromeAppListItem:
59  virtual ui::MenuModel* GetContextMenuModel() OVERRIDE;
60
61 private:
62  // Gets extension associated with this model. Returns NULL if extension
63  // no longer exists.
64  const extensions::Extension* GetExtension() const;
65
66  // Loads extension icon.
67  void LoadImage(const extensions::Extension* extension);
68
69  void ShowExtensionOptions();
70  void ShowExtensionDetails();
71  void StartExtensionUninstall();
72
73  // Checks if extension is disabled and if enable flow should be started.
74  // Returns true if extension enable flow is started or there is already one
75  // running.
76  bool RunExtensionEnableFlow();
77
78  // Private equivalent to Activate(), without refocus for already-running apps.
79  void Launch(int event_flags);
80
81  // Whether or not the app item has an overlay.
82  bool HasOverlay() const;
83
84  // Overridden from extensions::IconImage::Observer:
85  virtual void OnExtensionIconImageChanged(
86      extensions::IconImage* image) OVERRIDE;
87
88  // Overridden from ExtensionEnableFlowDelegate:
89  virtual void ExtensionEnableFlowFinished() OVERRIDE;
90  virtual void ExtensionEnableFlowAborted(bool user_initiated) OVERRIDE;
91
92  // Overridden from ui::SimpleMenuModel::Delegate:
93  virtual bool IsItemForCommandIdDynamic(int command_id) const OVERRIDE;
94  virtual string16 GetLabelForCommandId(int command_id) const OVERRIDE;
95  virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
96  virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
97  virtual bool GetAcceleratorForCommandId(
98      int command_id,
99      ui::Accelerator* acclelrator) OVERRIDE;
100  virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
101
102  // Overridden from ChromeAppListItem:
103  virtual void Activate(int event_flags) OVERRIDE;
104
105  Profile* profile_;
106  const std::string extension_id_;
107  AppListControllerDelegate* controller_;
108
109  scoped_ptr<extensions::IconImage> icon_;
110  scoped_ptr<ui::SimpleMenuModel> context_menu_model_;
111  scoped_ptr<extensions::ContextMenuMatcher> extension_menu_items_;
112  scoped_ptr<ExtensionEnableFlow> extension_enable_flow_;
113
114  // Name to use for the extension if we can't access it.
115  std::string extension_name_;
116
117  // Icon for the extension if we can't access the installed extension.
118  gfx::ImageSkia installing_icon_;
119
120  // Whether or not this app is a platform app.
121  bool is_platform_app_;
122
123  DISALLOW_COPY_AND_ASSIGN(ExtensionAppItem);
124};
125
126#endif  // CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_ITEM_H_
127