chrome/browser/download/download_shelf_context_menu.h

   1 // Copyright (c) 2011 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_DOWNLOAD_DOWNLOAD_SHELF_CONTEXT_MENU_H_
   6 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_CONTEXT_MENU_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/strings/string16.h"
  12 #include "chrome/browser/download/download_commands.h"
  13 #include "content/public/browser/download_item.h"
  14 #include "ui/base/models/simple_menu_model.h"
  15
  16 namespace content {
  17 class PageNavigator;
  18 }
  19
  20 // This class is responsible for the download shelf context menu. Platform
  21 // specific subclasses are responsible for creating and running the menu.
  22 //
  23 // The DownloadItem corresponding to the context menu is observed for removal or
  24 // destruction.
  25 class DownloadShelfContextMenu : public ui::SimpleMenuModel::Delegate,
  26                                  public content::DownloadItem::Observer {
  27  public:
  28   ~DownloadShelfContextMenu() override;
  29
  30   content::DownloadItem* download_item() const { return download_item_; }
  31
  32  protected:
  33   explicit DownloadShelfContextMenu(content::DownloadItem* download_item);
  34
  35   // Returns the correct menu model depending on the state of the download item.
  36   // Returns NULL if the download was destroyed.
  37   ui::SimpleMenuModel* GetMenuModel();
  38
  39   // ui::SimpleMenuModel::Delegate:
  40   bool IsCommandIdEnabled(int command_id) const override;
  41   bool IsCommandIdChecked(int command_id) const override;
  42   bool IsCommandIdVisible(int command_id) const override;
  43   void ExecuteCommand(int command_id, int event_flags) override;
  44   bool GetAcceleratorForCommandId(int command_id,
  45                                   ui::Accelerator* accelerator) override;
  46   bool IsItemForCommandIdDynamic(int command_id) const override;
  47   base::string16 GetLabelForCommandId(int command_id) const override;
  48
  49  private:
  50   // Detaches self from |download_item_|. Called when the DownloadItem is
  51   // destroyed or when this object is being destroyed.
  52   void DetachFromDownloadItem();
  53
  54   // content::DownloadItem::Observer
  55   void OnDownloadDestroyed(content::DownloadItem* download) override;
  56
  57   ui::SimpleMenuModel* GetInProgressMenuModel();
  58   ui::SimpleMenuModel* GetInProgressPausedMenuModel();
  59   ui::SimpleMenuModel* GetFinishedMenuModel();
  60   ui::SimpleMenuModel* GetInterruptedMenuModel();
  61   ui::SimpleMenuModel* GetMaybeMaliciousMenuModel();
  62   ui::SimpleMenuModel* GetMaliciousMenuModel();
  63
  64   // We show slightly different menus if the download is in progress vs. if the
  65   // download has finished.
  66   scoped_ptr<ui::SimpleMenuModel> in_progress_download_menu_model_;
  67   scoped_ptr<ui::SimpleMenuModel> in_progress_download_paused_menu_model_;
  68   scoped_ptr<ui::SimpleMenuModel> finished_download_menu_model_;
  69   scoped_ptr<ui::SimpleMenuModel> interrupted_download_menu_model_;
  70   scoped_ptr<ui::SimpleMenuModel> maybe_malicious_download_menu_model_;
  71   scoped_ptr<ui::SimpleMenuModel> malicious_download_menu_model_;
  72
  73   // Information source.
  74   content::DownloadItem* download_item_;
  75   scoped_ptr<DownloadCommands> download_commands_;
  76
  77 #if defined(OS_WIN)
  78   bool is_adobe_pdf_reader_up_to_date_;
  79 #endif
  80
  81   DISALLOW_COPY_AND_ASSIGN(DownloadShelfContextMenu);
  82 };
  83
  84 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_CONTEXT_MENU_H_