Implement fullscreen info bubble on Win and Mac

chrome/browser/ui/cocoa/info_bubble_window.mm

 // Copyright (c) 2011 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.
 
 #import "chrome/browser/ui/cocoa/info_bubble_window.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_nsobject.h"
 #include "content/common/content_notification_types.h"
@@ skipping 76 matching lines @@
     [window_ finishCloseAfterAnimation];
   }
 }
 
 @end
 
 
 @implementation InfoBubbleWindow
 
 @synthesize delayOnClose = delayOnClose_;
+@synthesize canBecomeKey = canBecomeKey_;
 
 - (id)initWithContentRect:(NSRect)contentRect
                 styleMask:(NSUInteger)aStyle
                   backing:(NSBackingStoreType)bufferingType
                     defer:(BOOL)flag {
   if ((self = [super initWithContentRect:contentRect
                                styleMask:NSBorderlessWindowMask
                                  backing:bufferingType
                                    defer:flag])) {
     [self setBackgroundColor:[NSColor clearColor]];
     [self setExcludedFromWindowsMenu:YES];
     [self setOpaque:NO];
     [self setHasShadow:YES];
     delayOnClose_ = YES;
+    canBecomeKey_ = YES;
     notificationBridge_.reset(new AppNotificationBridge(self));
 
     // Start invisible. Will be made visible when ordered front.
     [self setAlphaValue:0.0];
 
     // Set up alphaValue animation so that self is delegate for the animation.
     // Setting up the delegate is required so that the
     // animationDidStop:finished: callback can be handled.
     // Notice that only the alphaValue Animation is replaced in case
     // superclasses set up animations.
     CAAnimation* alphaAnimation = [CABasicAnimation animation];
     scoped_nsobject<InfoBubbleWindowCloser> delegate(
         [[InfoBubbleWindowCloser alloc] initWithWindow:self]);
     [alphaAnimation setDelegate:delegate];
     NSMutableDictionary* animations =
         [NSMutableDictionary dictionaryWithDictionary:[self animations]];
     [animations setObject:alphaAnimation forKey:@"alphaValue"];
     [self setAnimations:animations];
   }
   return self;
 }
 
 // According to
 // http://www.cocoabuilder.com/archive/message/cocoa/2006/6/19/165953,
 // NSBorderlessWindowMask windows cannot become key or main. In this
-// case, this is not a desired behavior. As an example, the bubble could have
-// buttons.
+// case, this is not necessarily a desired behavior. As an example, the
+// bubble could have buttons.
 - (BOOL)canBecomeKeyWindow {
-  return YES;
+  return canBecomeKey_;
 }
 
 // Lets the traffic light buttons on the browser window keep their "active"
 // state while an info bubble is open. Only has an effect on 10.7.
 - (BOOL)_sharesParentKeyState {
   return YES;
 }
 
 - (void)close {
   // Block the window from receiving events while it fades out.
@@ skipping 69 matching lines @@
 - (void)sendEvent:(NSEvent*)theEvent {
   if (!closing_)
     [super sendEvent:theEvent];
 }
 
 - (BOOL)isClosing {
   return closing_;
 }
 
 @end