Implement pepper flash fullscreen on Mac

content/shell/shell_mac.mm

 // 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.
 
 #include "content/shell/shell.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #import "base/mac/cocoa_protocols.h"
 #import "base/memory/scoped_nsobject.h"
 #include "base/string_piece.h"
 #include "base/sys_string_conversions.h"
-#import "content/public/browser/accelerated_window_interface.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "content/shell/resource.h"
 #include "googleurl/src/gurl.h"
-
-@interface ShellWindow : NSWindow<UnderlayableSurface> {
- @private
-  int underlaySurfaceCount_;
-}
-
-// Informs the window that an underlay surface has been added/removed. The
-// window is non-opaque while underlay surfaces are present.
-- (void)underlaySurfaceAdded;
-- (void)underlaySurfaceRemoved;
-
-@end
-
-@implementation ShellWindow
-
-- (void)underlaySurfaceAdded {
-  DCHECK_GE(underlaySurfaceCount_, 0);
-  ++underlaySurfaceCount_;
-
-  // We're having the OpenGL surface render under the window, so the window
-  // needs to be not opaque.
-  if (underlaySurfaceCount_ == 1)
-    [self setOpaque:NO];
-}
-
-- (void)underlaySurfaceRemoved {
-  --underlaySurfaceCount_;
-  DCHECK_GE(underlaySurfaceCount_, 0);
-
-  if (underlaySurfaceCount_ == 0)
-    [self setOpaque:YES];
-}
-
-@end
+#import "ui/base/cocoa/underlay_opengl_hosting_window.h"
 
 // Receives notification that the window is closing so that it can start the
 // tear-down process. Is responsible for deleting itself when done.
 @interface ContentShellWindowDelegate : NSObject<NSWindowDelegate> {
  @private
   content::Shell* shell_;
 }
 - (id)initWithShell:(content::Shell*)shell;
 @end
 
@@ skipping 106 matching lines @@
 void Shell::PlatformSetAddressBarURL(const GURL& url) {
   NSString* url_string = base::SysUTF8ToNSString(url.spec());
   [url_edit_view_ setStringValue:url_string];
 }
 
 void Shell::PlatformSetIsLoading(bool loading) {
 }
 
 void Shell::PlatformCreateWindow(int width, int height) {
   NSRect initial_window_bounds = NSMakeRect(0, 0, width, height);
-  window_ =
-      [[ShellWindow alloc] initWithContentRect:initial_window_bounds
-                                     styleMask:(NSTitledWindowMask |
-                                                NSClosableWindowMask |
-                                                NSMiniaturizableWindowMask |
-                                                NSResizableWindowMask )
-                                       backing:NSBackingStoreBuffered
-                                         defer:NO];
+  window_ = [[UnderlayOpenGLHostingWindow alloc]
+      initWithContentRect:initial_window_bounds
+                styleMask:(NSTitledWindowMask |
+                           NSClosableWindowMask |
+                           NSMiniaturizableWindowMask |
+                           NSResizableWindowMask )
+                  backing:NSBackingStoreBuffered
+                    defer:NO];
   [window_ setTitle:kWindowTitle];
   NSView* content = [window_ contentView];
 
   // If the window is allowed to get too small, it will wreck the view bindings.
   NSSize min_size = NSMakeSize(kMinimumWindowWidth, kMinimumWindowHeight);
   min_size = [content convertSize:min_size toView:nil];
   // Note that this takes window coordinates.
   [window_ setContentMinSize:min_size];
 
   // Rely on the window delegate to clean us up rather than immediately
@@ skipping 87 matching lines @@
   if (event.skip_in_browser)
     return;
 
   // The event handling to get this strictly right is a tangle; cheat here a bit
   // by just letting the menus have a chance at it.
   if ([event.os_event type] == NSKeyDown)
     [[NSApp mainMenu] performKeyEquivalent:event.os_event];
 }
 
 }  // namespace content