Implemented fullscreen exit animation with AppKit

chrome/browser/ui/cocoa/framed_browser_window.h

 // 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 CHROME_BROWSER_UI_COCOA_FRAMED_BROWSER_WINDOW_H_
 #define CHROME_BROWSER_UI_COCOA_FRAMED_BROWSER_WINDOW_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "chrome/browser/ui/cocoa/chrome_browser_window.h"
@@ skipping 17 matching lines @@
 // unhandled keyboard events and subclassing NSWindow is the only method to do
 // this. We also handle our own window controls and custom window frame drawing.
 @interface FramedBrowserWindow : ChromeBrowserWindow {
  @private
   BOOL shouldHideTitle_;
   BOOL hasTabStrip_;
   NSButton* closeButton_;
   NSButton* miniaturizeButton_;
   NSButton* zoomButton_;
 
+  // This is a lock which prevents the the frame and style
+  // of the window to be changed when it's set to YES

[erikchen, 2015/08/10 18:06:25]

Grammar.

This lock prevents the frame and style of the window from being changed.

I understand "frame", but I don't understand "style". What do you mean by the
"style" of a window?

[spqchan1, 2015/08/12 19:34:41]

Done.

+  BOOL frameAndStyleLock_;
+
   CGFloat windowButtonsInterButtonSpacing_;
 }
 
 // Designated initializer.
 - (id)initWithContentRect:(NSRect)contentRect
               hasTabStrip:(BOOL)hasTabStrip;
 
 // Tells the window to suppress title drawing.
 - (void)setShouldHideTitle:(BOOL)flag;
 
+- (void) setFrameAndStyleLock:(BOOL)lock;

[erikchen, 2015/08/10 18:06:25]

extra whitespace after (void)

[spqchan1, 2015/08/11 21:43:48]

Done.

+
 // Returns the desired spacing between window control views.
 - (CGFloat)windowButtonsInterButtonSpacing;
 
 // Calls the superclass's implementation of |-toggleFullScreen:|.
 - (void)toggleSystemFullScreen;
 
 // Called by CustomFrameView to determine a custom location for the Lion
 // fullscreen button. Returns NSZeroPoint to use the Lion default.
 - (NSPoint)fullScreenButtonOriginAdjustment;
 
@@ skipping 14 matching lines @@
 
 // Undocumented Cocoa API to suppress drawing of the window's title.
 // -setTitle: still works, but the title set only applies to the
 // miniwindow and menus (and, importantly, Expose).  Overridden to
 // return |shouldHideTitle_|.
 -(BOOL)_isTitleHidden;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_FRAMED_BROWSER_WINDOW_H_