chrome/browser/ui/app_list/extension_app_item.h

   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/ui/app_list/app_context_menu_delegate.h"
  12 #include "chrome/browser/ui/app_list/app_list_syncable_service.h"
  13 #include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
  14 #include "extensions/browser/extension_icon_image.h"
  15 #include "ui/app_list/app_list_item.h"
  16 #include "ui/gfx/image/image_skia.h"
  17
  18 class AppListControllerDelegate;
  19 class ExtensionEnableFlow;
  20 class Profile;
  21
  22 namespace app_list {
  23 class AppContextMenu;
  24 }
  25
  26 namespace extensions {
  27 class ContextMenuMatcher;
  28 class Extension;
  29 }
  30
  31 // ExtensionAppItem represents an extension app in app list.
  32 class ExtensionAppItem : public app_list::AppListItem,
  33                          public extensions::IconImage::Observer,
  34                          public ExtensionEnableFlowDelegate,
  35                          public app_list::AppContextMenuDelegate {
  36  public:
  37   static const char kItemType[];
  38
  39   ExtensionAppItem(Profile* profile,
  40                    const app_list::AppListSyncableService::SyncItem* sync_item,
  41                    const std::string& extension_id,
  42                    const std::string& extension_name,
  43                    const gfx::ImageSkia& installing_icon,
  44                    bool is_platform_app);
  45   virtual ~ExtensionAppItem();
  46
  47   // Reload the title and icon from the underlying extension.
  48   void Reload();
  49
  50   // Updates the app item's icon, if necessary adding an overlay and/or making
  51   // it gray.
  52   void UpdateIcon();
  53
  54   // Update page and app launcher ordinals to put the app in between |prev| and
  55   // |next|. Note that |prev| and |next| could be NULL when the app is put at
  56   // the beginning or at the end.
  57   void Move(const ExtensionAppItem* prev, const ExtensionAppItem* next);
  58
  59   const std::string& extension_id() const { return extension_id_; }
  60   const std::string& extension_name() const { return extension_name_; }
  61
  62  private:
  63   // Gets extension associated with this model. Returns NULL if extension
  64   // no longer exists.
  65   const extensions::Extension* GetExtension() const;
  66
  67   // Loads extension icon.
  68   void LoadImage(const extensions::Extension* extension);
  69
  70   // Checks if extension is disabled and if enable flow should be started.
  71   // Returns true if extension enable flow is started or there is already one
  72   // running.
  73   bool RunExtensionEnableFlow();
  74
  75   // Private equivalent to Activate(), without refocus for already-running apps.
  76   void Launch(int event_flags);
  77
  78   // Whether or not the app item needs an overlay.
  79   bool NeedsOverlay() const;
  80
  81   // Overridden from extensions::IconImage::Observer:
  82   virtual void OnExtensionIconImageChanged(
  83       extensions::IconImage* image) override;
  84
  85   // Overridden from ExtensionEnableFlowDelegate:
  86   virtual void ExtensionEnableFlowFinished() override;
  87   virtual void ExtensionEnableFlowAborted(bool user_initiated) override;
  88
  89   // Overridden from AppListItem:
  90   virtual void Activate(int event_flags) override;
  91   virtual ui::MenuModel* GetContextMenuModel() override;
  92   // Updates the icon if the overlay needs to be added/removed.
  93   virtual void OnExtensionPreferenceChanged() override;
  94   virtual const char* GetItemType() const override;
  95
  96   // Overridden from app_list::AppContextMenuDelegate:
  97   virtual void ExecuteLaunchCommand(int event_flags) override;
  98
  99   // Set the position from the extension ordering.
 100   void UpdatePositionFromExtensionOrdering();
 101
 102   // Return the controller for the active desktop type.
 103   AppListControllerDelegate* GetController();
 104
 105   Profile* profile_;
 106   const std::string extension_id_;
 107
 108   scoped_ptr<extensions::IconImage> icon_;
 109   scoped_ptr<app_list::AppContextMenu> context_menu_;
 110   scoped_ptr<ExtensionEnableFlow> extension_enable_flow_;
 111   AppListControllerDelegate* extension_enable_flow_controller_;
 112
 113   // Name to use for the extension if we can't access it.
 114   std::string extension_name_;
 115
 116   // Icon for the extension if we can't access the installed extension.
 117   gfx::ImageSkia installing_icon_;
 118
 119   // Whether or not this app is a platform app.
 120   bool is_platform_app_;
 121
 122   // Whether this app item has an overlay.
 123   bool has_overlay_;
 124
 125   DISALLOW_COPY_AND_ASSIGN(ExtensionAppItem);
 126 };
 127
 128 #endif  // CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_ITEM_H_