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 #import <Cocoa/Cocoa.h> 6 7 #import "base/mac/cocoa_protocols.h" 8 #include "base/memory/scoped_nsobject.h" 9 #include "base/memory/scoped_ptr.h" 10 #import "chrome/browser/ui/cocoa/view_resizer.h" 11 12 @class AnimatableView; 13 class BaseDownloadItemModel; 14 class Browser; 15 @class BrowserWindowController; 16 @class DownloadItemController; 17 class DownloadShelf; 18 @class DownloadShelfView; 19 @class HyperlinkButtonCell; 20 @class HoverButton; 21 22 // A controller class that manages the download shelf for one window. It is 23 // responsible for the behavior of the shelf itself (showing/hiding, handling 24 // the link, layout) as well as for managing the download items it contains. 25 // 26 // All the files in cocoa/downloads_* are related as follows: 27 // 28 // download_shelf_mac bridges calls from chromium's c++ world to the objc 29 // download_shelf_controller for the shelf (this file). The shelf's background 30 // is drawn by download_shelf_view. Every item in a shelf is controlled by a 31 // download_item_controller. 32 // 33 // download_item_mac bridges calls from chromium's c++ world to the objc 34 // download_item_controller, which is responsible for managing a single item 35 // on the shelf. The item controller loads its UI from a xib file, where the 36 // UI of an item itself is represented by a button that is drawn by 37 // download_item_cell. 38 39 @interface DownloadShelfController : NSViewController<NSTextViewDelegate> { 40 @private 41 IBOutlet HyperlinkButtonCell* showAllDownloadsCell_; 42 43 IBOutlet NSImageView* image_; 44 45 IBOutlet HoverButton* hoverCloseButton_; 46 47 BOOL barIsVisible_; 48 49 BOOL isFullscreen_; 50 51 scoped_ptr<DownloadShelf> bridge_; 52 53 // Height of the shelf when it's fully visible. 54 CGFloat maxShelfHeight_; 55 56 // Current height of the shelf. Changes while the shelf is animating in or 57 // out. 58 CGFloat currentShelfHeight_; 59 60 // Used to autoclose the shelf when the mouse is moved off it. Is non-nil 61 // only when a subsequent mouseExited event can trigger autoclose or when a 62 // subsequent mouseEntered event will cancel autoclose. Is nil otherwise. 63 scoped_nsobject<NSTrackingArea> trackingArea_; 64 65 // The download items we have added to our shelf. 66 scoped_nsobject<NSMutableArray> downloadItemControllers_; 67 68 // The container that contains (and clamps) all the download items. 69 IBOutlet NSView* itemContainerView_; 70 71 // Delegate that handles resizing our view. 72 id<ViewResizer> resizeDelegate_; 73 }; 74 75 - (id)initWithBrowser:(Browser*)browser 76 resizeDelegate:(id<ViewResizer>)resizeDelegate; 77 78 - (IBAction)showDownloadsTab:(id)sender; 79 80 // Returns our view cast as an AnimatableView. 81 - (AnimatableView*)animatableView; 82 83 - (DownloadShelf*)bridge; 84 - (BOOL)isVisible; 85 86 - (IBAction)show:(id)sender; 87 88 // Run when the user clicks the close button on the right side of the shelf. 89 - (IBAction)hide:(id)sender; 90 91 - (void)addDownloadItem:(BaseDownloadItemModel*)model; 92 93 // Remove a download, possibly via clearing browser data. 94 - (void)remove:(DownloadItemController*)download; 95 96 // Called by individual item controllers when their downloads are opened. 97 - (void)downloadWasOpened:(DownloadItemController*)download; 98 99 // Notification that we are closing and should release our downloads. 100 - (void)exiting; 101 102 // Return the height of the download shelf. 103 - (float)height; 104 105 // Re-layouts all download items based on their current state. 106 - (void)layoutItems; 107 108 @end 109
