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_H_ 6 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_H_ 7 #pragma once 8 9 #include "base/basictypes.h" 10 #include "base/memory/scoped_ptr.h" 11 #include "base/string16.h" 12 #include "ui/base/models/simple_menu_model.h" 13 14 class BaseDownloadItemModel; 15 class Browser; 16 class DownloadItem; 17 18 // DownloadShelf is an interface for platform-specific download shelf views. 19 class DownloadShelf { 20 public: ~DownloadShelf()21 virtual ~DownloadShelf() {} 22 23 // A new download has started, so add it to our shelf. This object will 24 // take ownership of |download_model|. Also make the shelf visible. 25 virtual void AddDownload(BaseDownloadItemModel* download_model) = 0; 26 27 // The browser view needs to know when we are going away to properly return 28 // the resize corner size to WebKit so that we don't draw on top of it. 29 // This returns the showing state of our animation which is set to true at 30 // the beginning Show and false at the beginning of a Hide. 31 virtual bool IsShowing() const = 0; 32 33 // Returns whether the download shelf is showing the close animation. 34 virtual bool IsClosing() const = 0; 35 36 // Opens the shelf. 37 virtual void Show() = 0; 38 39 // Closes the shelf. 40 virtual void Close() = 0; 41 42 virtual Browser* browser() const = 0; 43 }; 44 45 // Logic for the download shelf context menu. Platform specific subclasses are 46 // responsible for creating and running the menu. 47 class DownloadShelfContextMenu : public ui::SimpleMenuModel::Delegate { 48 public: 49 virtual ~DownloadShelfContextMenu(); 50 51 virtual DownloadItem* download() const; 52 53 enum ContextMenuCommands { 54 SHOW_IN_FOLDER = 1, // Open a file explorer window with the item selected. 55 OPEN_WHEN_COMPLETE, // Open the download when it's finished. 56 ALWAYS_OPEN_TYPE, // Default this file extension to always open. 57 CANCEL, // Cancel the download. 58 TOGGLE_PAUSE, // Temporarily pause a download. 59 MENU_LAST 60 }; 61 62 protected: 63 explicit DownloadShelfContextMenu(BaseDownloadItemModel* download_model); 64 65 ui::SimpleMenuModel* GetInProgressMenuModel(); 66 ui::SimpleMenuModel* GetFinishedMenuModel(); 67 // Information source. 68 DownloadItem* download_; 69 70 // ui::SimpleMenuModel::Delegate implementation: 71 virtual bool IsCommandIdEnabled(int command_id) const; 72 virtual bool IsCommandIdChecked(int command_id) const; 73 virtual void ExecuteCommand(int command_id); 74 virtual bool GetAcceleratorForCommandId(int command_id, 75 ui::Accelerator* accelerator); 76 virtual bool IsItemForCommandIdDynamic(int command_id) const; 77 virtual string16 GetLabelForCommandId(int command_id) const; 78 79 // A model to control the cancel behavior. 80 BaseDownloadItemModel* model_; 81 82 private: 83 // We show slightly different menus if the download is in progress vs. if the 84 // download has finished. 85 scoped_ptr<ui::SimpleMenuModel> in_progress_download_menu_model_; 86 scoped_ptr<ui::SimpleMenuModel> finished_download_menu_model_; 87 88 DISALLOW_COPY_AND_ASSIGN(DownloadShelfContextMenu); 89 }; 90 91 #endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SHELF_H_ 92