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 "content/public/browser/download_item.h" 13 #include "ui/base/models/simple_menu_model.h" 14 15 namespace content { 16 class PageNavigator; 17 } 18 19 // This class is responsible for the download shelf context menu. Platform 20 // specific subclasses are responsible for creating and running the menu. 21 // 22 // The DownloadItem corresponding to the context menu is observed for removal or 23 // destruction. 24 class DownloadShelfContextMenu : public ui::SimpleMenuModel::Delegate, 25 public content::DownloadItem::Observer { 26 public: 27 enum ContextMenuCommands { 28 SHOW_IN_FOLDER = 1, // Open a folder view window with the item selected. 29 OPEN_WHEN_COMPLETE, // Open the download when it's finished. 30 ALWAYS_OPEN_TYPE, // Default this file extension to always open. 31 CANCEL, // Cancel the download. 32 TOGGLE_PAUSE, // Pause or resume a download. 33 DISCARD, // Discard the malicious download. 34 KEEP, // Keep the malicious download. 35 LEARN_MORE_SCANNING, // Show information about download scanning. 36 LEARN_MORE_INTERRUPTED,// Show information about interrupted downloads. 37 }; 38 39 virtual ~DownloadShelfContextMenu(); 40 41 content::DownloadItem* download_item() const { return download_item_; } 42 43 protected: 44 DownloadShelfContextMenu(content::DownloadItem* download_item, 45 content::PageNavigator* navigator); 46 47 // Returns the correct menu model depending on the state of the download item. 48 // Returns NULL if the download was destroyed. 49 ui::SimpleMenuModel* GetMenuModel(); 50 51 // ui::SimpleMenuModel::Delegate: 52 virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE; 53 virtual bool IsCommandIdChecked(int command_id) const OVERRIDE; 54 virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE; 55 virtual bool GetAcceleratorForCommandId( 56 int command_id, 57 ui::Accelerator* accelerator) OVERRIDE; 58 virtual bool IsItemForCommandIdDynamic(int command_id) const OVERRIDE; 59 virtual string16 GetLabelForCommandId(int command_id) const OVERRIDE; 60 61 private: 62 // Detaches self from |download_item_|. Called when the DownloadItem is 63 // destroyed or when this object is being destroyed. 64 void DetachFromDownloadItem(); 65 66 // content::DownloadItem::Observer 67 virtual void OnDownloadDestroyed(content::DownloadItem* download) OVERRIDE; 68 69 ui::SimpleMenuModel* GetInProgressMenuModel(); 70 ui::SimpleMenuModel* GetFinishedMenuModel(); 71 ui::SimpleMenuModel* GetInterruptedMenuModel(); 72 ui::SimpleMenuModel* GetMaliciousMenuModel(); 73 74 // We show slightly different menus if the download is in progress vs. if the 75 // download has finished. 76 scoped_ptr<ui::SimpleMenuModel> in_progress_download_menu_model_; 77 scoped_ptr<ui::SimpleMenuModel> finished_download_menu_model_; 78 scoped_ptr<ui::SimpleMenuModel> interrupted_download_menu_model_; 79 scoped_ptr<ui::SimpleMenuModel> malicious_download_menu_model_; 80 81 // Information source. 82 content::DownloadItem* download_item_; 83 84 // Used to open tabs. 85 content::PageNavigator* navigator_; 86 87 DISALLOW_COPY_AND_ASSIGN(DownloadShelfContextMenu); 88 }; 89 90 #endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_CONTEXT_MENU_H_ 91
