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      1 // Copyright 2014 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_VIEWS_APPS_APP_INFO_DIALOG_APP_INFO_FOOTER_PANEL_H_
      6 #define CHROME_BROWSER_UI_VIEWS_APPS_APP_INFO_DIALOG_APP_INFO_FOOTER_PANEL_H_
      7 
      8 #include "base/memory/scoped_ptr.h"
      9 #include "base/memory/weak_ptr.h"
     10 #include "chrome/browser/extensions/extension_uninstall_dialog.h"
     11 #include "chrome/browser/ui/views/apps/app_info_dialog/app_info_panel.h"
     12 #include "ui/gfx/native_widget_types.h"
     13 #include "ui/views/controls/button/button.h"
     14 
     15 class Profile;
     16 
     17 namespace extensions {
     18 class Extension;
     19 }
     20 
     21 namespace ui {
     22 class Event;
     23 }
     24 
     25 namespace views {
     26 class LabelButton;
     27 }
     28 
     29 // A small summary panel with buttons to control the app that is displayed at
     30 // the bottom of the app info dialog.
     31 class AppInfoFooterPanel
     32     : public AppInfoPanel,
     33       public views::ButtonListener,
     34       public extensions::ExtensionUninstallDialog::Delegate,
     35       public base::SupportsWeakPtr<AppInfoFooterPanel> {
     36  public:
     37   AppInfoFooterPanel(gfx::NativeWindow parent_window,
     38                      Profile* profile,
     39                      const extensions::Extension* app);
     40   virtual ~AppInfoFooterPanel();
     41 
     42  private:
     43   void CreateButtons();
     44   void LayoutButtons();
     45 
     46   // Updates the visibility of the pin/unpin buttons so that only one is visible
     47   // at a time.
     48   void UpdatePinButtons();
     49 
     50   // Overridden from views::ButtonListener:
     51   virtual void ButtonPressed(views::Button* sender,
     52                              const ui::Event& event) OVERRIDE;
     53 
     54   // Overridden from ExtensionUninstallDialog::Delegate:
     55   virtual void ExtensionUninstallAccepted() OVERRIDE;
     56   virtual void ExtensionUninstallCanceled() OVERRIDE;
     57 
     58   // Create Shortcuts for the app. Must only be called if CanCreateShortcuts()
     59   // returns true.
     60   void CreateShortcuts();
     61   bool CanCreateShortcuts() const;
     62 
     63   // Pins and unpins the app from the shelf. Must only be called if
     64   // CanSetPinnedToShelf() returns true.
     65   void SetPinnedToShelf(bool value);
     66   bool CanSetPinnedToShelf() const;
     67 
     68   // Uninstall the app. Must only be called if CanUninstallApp() returns true.
     69   void UninstallApp();
     70   bool CanUninstallApp() const;
     71 
     72   gfx::NativeWindow parent_window_;
     73 
     74   // UI elements on the dialog. Elements are NULL if they are not displayed.
     75   views::LabelButton* create_shortcuts_button_;
     76   views::LabelButton* pin_to_shelf_button_;
     77   views::LabelButton* unpin_from_shelf_button_;
     78   views::LabelButton* remove_button_;
     79 
     80   scoped_ptr<extensions::ExtensionUninstallDialog> extension_uninstall_dialog_;
     81 
     82   base::WeakPtrFactory<AppInfoFooterPanel> weak_ptr_factory_;
     83 
     84   DISALLOW_COPY_AND_ASSIGN(AppInfoFooterPanel);
     85 };
     86 
     87 #endif  // CHROME_BROWSER_UI_VIEWS_APPS_APP_INFO_DIALOG_APP_INFO_FOOTER_PANEL_H_
     88