Initial Implementation of Download Notification

chrome/browser/download/download_shelf_context_menu.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_CONTEXT_MENU_H_
 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_CONTEXT_MENU_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
+#include "chrome/browser/download/download_commands.h"
 #include "content/public/browser/download_item.h"
 #include "ui/base/models/simple_menu_model.h"
 
 namespace content {
 class PageNavigator;
 }
 
 // This class is responsible for the download shelf context menu. Platform
 // specific subclasses are responsible for creating and running the menu.
 //
 // The DownloadItem corresponding to the context menu is observed for removal or
 // destruction.
 class DownloadShelfContextMenu : public ui::SimpleMenuModel::Delegate,
                                  public content::DownloadItem::Observer {
  public:
-  enum ContextMenuCommands {
-    SHOW_IN_FOLDER = 1,    // Open a folder view window with the item selected.
-    OPEN_WHEN_COMPLETE,    // Open the download when it's finished.
-    ALWAYS_OPEN_TYPE,      // Default this file extension to always open.
-    PLATFORM_OPEN,         // Open using platform handler.
-    CANCEL,                // Cancel the download.
-    TOGGLE_PAUSE,          // Pause or resume a download.
-    DISCARD,               // Discard the malicious download.
-    KEEP,                  // Keep the malicious download.
-    LEARN_MORE_SCANNING,   // Show information about download scanning.
-    LEARN_MORE_INTERRUPTED,// Show information about interrupted downloads.
-  };
-
   ~DownloadShelfContextMenu() override;
 
   content::DownloadItem* download_item() const { return download_item_; }
 
  protected:
-  DownloadShelfContextMenu(content::DownloadItem* download_item,
-                           content::PageNavigator* navigator);
+  explicit DownloadShelfContextMenu(content::DownloadItem* download_item);
 
   // Returns the correct menu model depending on the state of the download item.
   // Returns NULL if the download was destroyed.
   ui::SimpleMenuModel* GetMenuModel();
 
   // ui::SimpleMenuModel::Delegate:
   bool IsCommandIdEnabled(int command_id) const override;
   bool IsCommandIdChecked(int command_id) const override;
   bool IsCommandIdVisible(int command_id) const override;
   void ExecuteCommand(int command_id, int event_flags) override;
   bool GetAcceleratorForCommandId(int command_id,
                                   ui::Accelerator* accelerator) override;
   bool IsItemForCommandIdDynamic(int command_id) const override;
   base::string16 GetLabelForCommandId(int command_id) const override;
 
  private:
   // Detaches self from |download_item_|. Called when the DownloadItem is
   // destroyed or when this object is being destroyed.
   void DetachFromDownloadItem();
 
   // content::DownloadItem::Observer
   void OnDownloadDestroyed(content::DownloadItem* download) override;
 
   ui::SimpleMenuModel* GetInProgressMenuModel();
+  ui::SimpleMenuModel* GetInProgressPausedMenuModel();
   ui::SimpleMenuModel* GetFinishedMenuModel();
   ui::SimpleMenuModel* GetInterruptedMenuModel();
   ui::SimpleMenuModel* GetMaybeMaliciousMenuModel();
   ui::SimpleMenuModel* GetMaliciousMenuModel();
 
-  int GetAlwaysOpenStringId() const;
-
-#if defined(OS_WIN) || defined(OS_LINUX) || \
-    (defined(OS_MACOSX) && !defined(OS_IOS))
-  bool IsDownloadPdf() const;
-  bool CanOpenPdfInSystemViewer() const;
-#endif
-
   // We show slightly different menus if the download is in progress vs. if the
   // download has finished.
   scoped_ptr<ui::SimpleMenuModel> in_progress_download_menu_model_;
+  scoped_ptr<ui::SimpleMenuModel> in_progress_download_paused_menu_model_;
   scoped_ptr<ui::SimpleMenuModel> finished_download_menu_model_;
   scoped_ptr<ui::SimpleMenuModel> interrupted_download_menu_model_;
   scoped_ptr<ui::SimpleMenuModel> maybe_malicious_download_menu_model_;
   scoped_ptr<ui::SimpleMenuModel> malicious_download_menu_model_;
 
   // Information source.
   content::DownloadItem* download_item_;
-
-  // Used to open tabs.
-  content::PageNavigator* navigator_;
+  scoped_ptr<DownloadCommands> download_commands_;
 
 #if defined(OS_WIN)
   bool is_adobe_pdf_reader_up_to_date_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(DownloadShelfContextMenu);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_CONTEXT_MENU_H_