| // Copyright 2013 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 UI_APP_LIST_COCOA_APPS_GRID_CONTROLLER_H_ |
| #define UI_APP_LIST_COCOA_APPS_GRID_CONTROLLER_H_ |
| |
| #import <Cocoa/Cocoa.h> |
| |
| #include "base/mac/scoped_nsobject.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "ui/app_list/app_list_export.h" |
| #import "ui/app_list/cocoa/app_list_pager_view.h" |
| #import "ui/app_list/cocoa/scroll_view_with_no_scrollbars.h" |
| |
| namespace app_list { |
| class AppListModel; |
| class AppListViewDelegate; |
| class AppsGridDelegateBridge; |
| } |
| |
| @class AppsGridViewItem; |
| @protocol AppsPaginationModelObserver; |
| @class AppsCollectionViewDragManager; |
| |
| // Controls a grid of views, representing AppListItemList sub models. |
| APP_LIST_EXPORT |
| @interface AppsGridController : NSViewController<GestureScrollDelegate, |
| AppListPagerDelegate, |
| NSCollectionViewDelegate> { |
| @private |
| app_list::AppListViewDelegate* delegate_; // Weak. Owned by view controller. |
| scoped_ptr<app_list::AppsGridDelegateBridge> bridge_; |
| |
| base::scoped_nsobject<AppsCollectionViewDragManager> dragManager_; |
| base::scoped_nsobject<NSMutableArray> pages_; |
| base::scoped_nsobject<NSMutableArray> items_; |
| base::scoped_nsobject<NSTimer> scrollWhileDraggingTimer_; |
| |
| id<AppsPaginationModelObserver> paginationObserver_; |
| |
| // Index of the currently visible page. |
| size_t visiblePage_; |
| // The page to which the view is currently animating a scroll. |
| size_t targetScrollPage_; |
| // The page to start scrolling to when the timer expires. |
| size_t scheduledScrollPage_; |
| |
| // Whether we are currently animating a scroll to the nearest page. |
| BOOL animatingScroll_; |
| } |
| |
| @property(assign, nonatomic) id<AppsPaginationModelObserver> paginationObserver; |
| |
| + (void)setScrollAnimationDuration:(NSTimeInterval)duration; |
| |
| // The amount the grid view has been extended to hold the sometimes present |
| // invisible scroller that allows for gesture scrolling. |
| + (CGFloat)scrollerPadding; |
| |
| - (NSCollectionView*)collectionViewAtPageIndex:(size_t)pageIndex; |
| - (size_t)pageIndexForCollectionView:(NSCollectionView*)page; |
| |
| - (AppsGridViewItem*)itemAtIndex:(size_t)itemIndex; |
| |
| - (app_list::AppListModel*)model; |
| |
| - (void)setDelegate:(app_list::AppListViewDelegate*)newDelegate; |
| |
| - (size_t)visiblePage; |
| |
| // Calls item->Activate for the currently selected item by simulating a click. |
| - (void)activateSelection; |
| |
| // Return the number of pages of icons in the grid. |
| - (size_t)pageCount; |
| |
| // Return the number of items over all pages in the grid. |
| - (size_t)itemCount; |
| |
| // Scroll to a page in the grid view with an animation. |
| - (void)scrollToPage:(size_t)pageIndex; |
| |
| // Start a timer to scroll to a new page, if |locationInWindow| is to the left |
| // or the right of the view, or if it is over a pager segment. Cancels any |
| // existing timer if the target page changes. |
| - (void)maybeChangePageForPoint:(NSPoint)locationInWindow; |
| |
| // Cancel a timer that may have been set by maybeChangePageForPoint(). |
| - (void)cancelScrollTimer; |
| |
| // Moves an item within the view only, for dragging or in response to model |
| // changes. |
| - (void)moveItemInView:(size_t)fromIndex |
| toItemIndex:(size_t)toIndex; |
| |
| // Moves an item in the item model. Does not adjust the view. |
| - (void)moveItemWithIndex:(size_t)itemIndex |
| toModelIndex:(size_t)modelIndex; |
| |
| // Return the index of the selected item. |
| - (NSUInteger)selectedItemIndex; |
| |
| // Moves the selection to the given index. |
| - (void)selectItemAtIndex:(NSUInteger)index; |
| |
| // Handle key actions. Similar to doCommandBySelector from NSResponder but that |
| // requires this class to be in the responder chain. Instead this method is |
| // invoked by the AppListViewController. |
| // Returns YES if this handled navigation or launched an app. |
| - (BOOL)handleCommandBySelector:(SEL)command; |
| |
| @end |
| |
| @interface AppsGridController(TestingAPI) |
| |
| - (AppsCollectionViewDragManager*)dragManager; |
| - (size_t)scheduledScrollPage; |
| |
| @end |
| |
| #endif // UI_APP_LIST_COCOA_APPS_GRID_CONTROLLER_H_ |