extension_app_model_builder.h revision f2477e01787aa58f445919b809d89e252beef54f 
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_MODEL_BUILDER_H_
6#define CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_MODEL_BUILDER_H_
7
8#include <string>
9#include <vector>
10
11#include "base/gtest_prod_util.h"
12#include "chrome/browser/extensions/install_observer.h"
13#include "ui/app_list/app_list_model.h"
14#include "ui/base/models/list_model_observer.h"
15
16class AppListControllerDelegate;
17class ExtensionAppItem;
18class ExtensionSet;
19class Profile;
20
21namespace extensions {
22class Extension;
23class InstallTracker;
24}
25
26namespace gfx {
27class ImageSkia;
28}
29
30// This class populates and maintains the given |model| with information from
31// |profile|.
32class ExtensionAppModelBuilder : public extensions::InstallObserver,
33                                 public app_list::AppListItemListObserver {
34 public:
35  ExtensionAppModelBuilder(Profile* profile,
36                           app_list::AppListModel* model,
37                           AppListControllerDelegate* controller);
38  virtual ~ExtensionAppModelBuilder();
39
40  // Rebuilds the model with the given profile.
41  void SwitchProfile(Profile* profile);
42
43 private:
44  typedef std::vector<ExtensionAppItem*> ExtensionAppList;
45
46  // extensions::InstallObserver
47  virtual void OnBeginExtensionInstall(
48      const ExtensionInstallParams& params) OVERRIDE;
49  virtual void OnDownloadProgress(const std::string& extension_id,
50                                  int percent_downloaded) OVERRIDE;
51  virtual void OnInstallFailure(const std::string& extension_id) OVERRIDE;
52  virtual void OnExtensionInstalled(
53      const extensions::Extension* extension) OVERRIDE {}
54  virtual void OnExtensionLoaded(
55      const extensions::Extension* extension) OVERRIDE;
56  virtual void OnExtensionUnloaded(
57      const extensions::Extension* extension) OVERRIDE;
58  virtual void OnExtensionUninstalled(
59      const extensions::Extension* extension) OVERRIDE;
60  virtual void OnAppsReordered() OVERRIDE;
61  virtual void OnAppInstalledToAppList(
62      const std::string& extension_id) OVERRIDE;
63  virtual void OnShutdown() OVERRIDE;
64
65  // AppListItemListObserver
66  virtual void OnListItemMoved(size_t from_index,
67                               size_t to_index,
68                               app_list::AppListItemModel* item) OVERRIDE;
69
70  // Adds apps in |extensions| to |apps|.
71  void AddApps(const ExtensionSet* extensions, ExtensionAppList* apps);
72
73  // Populates the model with apps.
74  void PopulateApps();
75
76  // Re-sort apps in case app ordinal prefs are changed.
77  void ResortApps();
78
79  // Inserts an app based on app ordinal prefs.
80  void InsertApp(ExtensionAppItem* app);
81
82  // Sets which app is intended to be highlighted. Will remove the highlight
83  // from a currently highlighted app.
84  void SetHighlightedApp(const std::string& extension_id);
85
86  // Sets the application app with |highlight_app_id_| in |model_| as
87  // highlighted if |highlighted_app_pending_| is true. If such an app is found,
88  // reset |highlighted_app_pending_| so that won't be highlighted again until
89  // another call to SetHighlightedApp() is made.
90  void UpdateHighlight();
91
92  // Returns app instance matching |extension_id| or NULL.
93  ExtensionAppItem* GetExtensionAppItem(const std::string& extension_id);
94
95  Profile* profile_;
96
97  // Unowned pointer to the app list controller.
98  AppListControllerDelegate* controller_;
99
100  // Unowned pointer to the app list model.
101  app_list::AppListModel* model_;
102
103  std::string highlight_app_id_;
104
105  // True if we haven't set |highlight_app_id_| to be highlighted. This happens
106  // if we try to highlight an app that doesn't exist in the list yet.
107  bool highlighted_app_pending_;
108
109  // We listen to this to show app installing progress.
110  extensions::InstallTracker* tracker_;
111
112  DISALLOW_COPY_AND_ASSIGN(ExtensionAppModelBuilder);
113};
114
115#endif  // CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_MODEL_BUILDER_H_
116