chrome/browser/ui/cocoa/chrome_event_processing_window.h

   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_UI_COCOA_CHROME_EVENT_PROCESSING_WINDOW_H_
   6 #define CHROME_BROWSER_UI_COCOA_CHROME_EVENT_PROCESSING_WINDOW_H_
   7
   8 #import <Cocoa/Cocoa.h>
   9
  10 #import "ui/base/cocoa/underlay_opengl_hosting_window.h"
  11
  12 // Override NSWindow to access unhandled keyboard events (for command
  13 // processing); subclassing NSWindow is the only method to do
  14 // this.
  15 @interface ChromeEventProcessingWindow : UnderlayOpenGLHostingWindow {
  16  @private
  17   BOOL redispatchingEvent_;
  18   BOOL eventHandled_;
  19 }
  20
  21 // Sends a key event to |NSApp sendEvent:|, but also makes sure that it's not
  22 // short-circuited to the RWHV. This is used to send keyboard events to the menu
  23 // and the cmd-` handler if a keyboard event comes back unhandled from the
  24 // renderer. The event must be of type |NSKeyDown|, |NSKeyUp|, or
  25 // |NSFlagsChanged|.
  26 // Returns |YES| if |event| has been handled.
  27 - (BOOL)redispatchKeyEvent:(NSEvent*)event;
  28
  29 // See global_keyboard_shortcuts_mac.h for details on the next two functions.
  30
  31 // Checks if |event| is a window keyboard shortcut. If so, dispatches it to the
  32 // window controller's |executeCommand:| and returns |YES|.
  33 - (BOOL)handleExtraWindowKeyboardShortcut:(NSEvent*)event;
  34
  35 // Checks if |event| is a delayed window keyboard shortcut. If so, dispatches
  36 // it to the window controller's |executeCommand:| and returns |YES|.
  37 - (BOOL)handleDelayedWindowKeyboardShortcut:(NSEvent*)event;
  38
  39 // Checks if |event| is a browser keyboard shortcut. If so, dispatches it to the
  40 // window controller's |executeCommand:| and returns |YES|.
  41 - (BOOL)handleExtraBrowserKeyboardShortcut:(NSEvent*)event;
  42
  43 // Override, so we can handle global keyboard events.
  44 - (BOOL)performKeyEquivalent:(NSEvent*)theEvent;
  45
  46 @end
  47
  48 #endif  // CHROME_BROWSER_UI_COCOA_CHROME_EVENT_PROCESSING_WINDOW_H_