| // Copyright (c) 2012 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_BASE_COCOA_BASE_VIEW_H_ |
| #define UI_BASE_COCOA_BASE_VIEW_H_ |
| |
| #import <Cocoa/Cocoa.h> |
| |
| #include "base/mac/scoped_nsobject.h" |
| #include "base/mac/sdk_forward_declarations.h" |
| #import "ui/base/cocoa/tracking_area.h" |
| #include "ui/base/ui_base_export.h" |
| #include "ui/gfx/geometry/rect.h" |
| |
| // A view that provides common functionality that many views will need: |
| // - Automatic registration for mouse-moved events. |
| // - Funneling of mouse and key events to two methods |
| // - Coordinate conversion utilities |
| UI_BASE_EXPORT |
| @interface BaseView : NSView { |
| @public |
| enum EventHandled { |
| kEventNotHandled, |
| kEventHandled |
| }; |
| |
| @private |
| ui::ScopedCrTrackingArea trackingArea_; |
| BOOL dragging_; |
| base::scoped_nsobject<NSEvent> pendingExitEvent_; |
| NSInteger pressureEventStage_; |
| } |
| |
| // Override these methods (mouseEvent, keyEvent, forceTouchEvent) in a |
| // subclass. |
| - (void)mouseEvent:(NSEvent *)theEvent; |
| |
| // keyEvent should return kEventHandled if it handled the event, or |
| // kEventNotHandled if it should be forwarded to BaseView's super class. |
| - (EventHandled)keyEvent:(NSEvent *)theEvent; |
| |
| - (void)forceTouchEvent:(NSEvent*)theEvent; |
| |
| // Useful rect conversions (doing coordinate flipping) |
| - (gfx::Rect)flipNSRectToRect:(NSRect)rect; |
| - (NSRect)flipRectToNSRect:(gfx::Rect)rect; |
| |
| @end |
| |
| // A notification that a view may issue when it receives first responder status. |
| // The name is |kViewDidBecomeFirstResponder|, the object is the view, and the |
| // NSSelectionDirection is wrapped in an NSNumber under the key |
| // |kSelectionDirection|. |
| UI_BASE_EXPORT extern NSString* kViewDidBecomeFirstResponder; |
| UI_BASE_EXPORT extern NSString* kSelectionDirection; |
| |
| #endif // UI_BASE_COCOA_BASE_VIEW_H_ |