text: // Copyright (c) 2009 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 CHROME_BROWSER_UI_COCOA_CHROME_EVENT_PROCESSING_WINDOW_H_
  #define CHROME_BROWSER_UI_COCOA_CHROME_EVENT_PROCESSING_WINDOW_H_
  #pragma once
  
  #import <Cocoa/Cocoa.h>
  
  #include "base/scoped_nsobject.h"
  
  // Override NSWindow to access unhandled keyboard events (for command
  // processing); subclassing NSWindow is the only method to do
  // this.
  @interface ChromeEventProcessingWindow : NSWindow {
   @private
    BOOL redispatchingEvent_;
    BOOL eventHandled_;
  }
  
  // Sends a key event to |NSApp sendEvent:|, but also makes sure that it's not
  // short-circuited to the RWHV. This is used to send keyboard events to the menu
  // and the cmd-` handler if a keyboard event comes back unhandled from the
  // renderer. The event must be of type |NSKeyDown|, |NSKeyUp|, or
  // |NSFlagsChanged|.
  // Returns |YES| if |event| has been handled.
  - (BOOL)redispatchKeyEvent:(NSEvent*)event;
  
  // See global_keyboard_shortcuts_mac.h for details on the next two functions.
  
  // Checks if |event| is a window keyboard shortcut. If so, dispatches it to the
  // window controller's |executeCommand:| and returns |YES|.
  - (BOOL)handleExtraWindowKeyboardShortcut:(NSEvent*)event;
  
  // Checks if |event| is a delayed window keyboard shortcut. If so, dispatches
  // it to the window controller's |executeCommand:| and returns |YES|.
  - (BOOL)handleDelayedWindowKeyboardShortcut:(NSEvent*)event;
  
  // Checks if |event| is a browser keyboard shortcut. If so, dispatches it to the
  // window controller's |executeCommand:| and returns |YES|.
  - (BOOL)handleExtraBrowserKeyboardShortcut:(NSEvent*)event;
  
  // Override, so we can handle global keyboard events.
  - (BOOL)performKeyEquivalent:(NSEvent*)theEvent;
  
  @end
  
  #endif  // CHROME_BROWSER_UI_COCOA_CHROME_EVENT_PROCESSING_WINDOW_H_
  