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      1 // Copyright (c) 2012 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_RENDERER_HOST_CHROME_RENDER_WIDGET_HOST_VIEW_MAC_DELEGATE_H_
      6 #define CHROME_BROWSER_RENDERER_HOST_CHROME_RENDER_WIDGET_HOST_VIEW_MAC_DELEGATE_H_
      7 
      8 #import <Cocoa/Cocoa.h>
      9 
     10 #include "base/mac/scoped_nsobject.h"
     11 #include "base/memory/scoped_ptr.h"
     12 #import "content/public/browser/render_widget_host_view_mac_delegate.h"
     13 
     14 namespace content {
     15 class RenderWidgetHost;
     16 }
     17 
     18 namespace ChromeRenderWidgetHostViewMacDelegateInternal {
     19 class SpellCheckObserver;
     20 }
     21 
     22 @class HistorySwiper;
     23 @interface ChromeRenderWidgetHostViewMacDelegate
     24     : NSObject<RenderWidgetHostViewMacDelegate> {
     25  @private
     26   content::RenderWidgetHost* renderWidgetHost_;  // weak
     27   scoped_ptr<ChromeRenderWidgetHostViewMacDelegateInternal::SpellCheckObserver>
     28       spellingObserver_;
     29 
     30   // Used for continuous spell checking.
     31   BOOL spellcheckEnabled_;
     32   BOOL spellcheckChecked_;
     33 
     34   // Responsible for 2-finger swipes history navigation.
     35   base::scoped_nsobject<HistorySwiper> historySwiper_;
     36 }
     37 
     38 - (id)initWithRenderWidgetHost:(content::RenderWidgetHost*)renderWidgetHost;
     39 
     40 - (void)viewGone:(NSView*)view;
     41 - (BOOL)handleEvent:(NSEvent*)event;
     42 - (BOOL)validateUserInterfaceItem:(id<NSValidatedUserInterfaceItem>)item
     43                       isValidItem:(BOOL*)valid;
     44 @end
     45 
     46 #endif  // CHROME_BROWSER_RENDERER_HOST_CHROME_RENDER_WIDGET_HOST_VIEW_MAC_DELEGATE_H_
     47