mac: Implement custom AppKit Enter Fullscreen transition.

chrome/browser/ui/cocoa/browser_window_controller_private.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.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller_private.h"
 
 #include <cmath>
 
 #include "base/command_line.h"
 #include "base/mac/bind_objc_block.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
 #import "base/mac/scoped_nsobject.h"
 #import "base/mac/sdk_forward_declarations.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/fullscreen.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window_state.h"
+#import "chrome/browser/ui/cocoa/browser_window_enter_fullscreen_transition.h"
 #import "chrome/browser/ui/cocoa/browser_window_layout.h"
 #import "chrome/browser/ui/cocoa/dev_tools_controller.h"
 #import "chrome/browser/ui/cocoa/fast_resize_view.h"
 #import "chrome/browser/ui/cocoa/find_bar/find_bar_cocoa_controller.h"
 #import "chrome/browser/ui/cocoa/floating_bar_backing_view.h"
 #import "chrome/browser/ui/cocoa/framed_browser_window.h"
 #import "chrome/browser/ui/cocoa/fullscreen_window.h"
 #import "chrome/browser/ui/cocoa/infobars/infobar_container_controller.h"
 #include "chrome/browser/ui/cocoa/last_active_browser_cocoa.h"
 #import "chrome/browser/ui/cocoa/presentation_mode_controller.h"
@@ skipping 640 matching lines @@
       [[[self window] screen] isEqual:[[NSScreen screens] objectAtIndex:0]];
 
   fullscreen_mac::SlidingStyle style =
       mode ? fullscreen_mac::OMNIBOX_TABS_HIDDEN
            : fullscreen_mac::OMNIBOX_TABS_PRESENT;
 
   [self adjustUIForSlidingFullscreenStyle:style];
 }
 
 - (void)windowDidEnterFullScreen:(NSNotification*)notification {
+  enterFullscreenTransition_.reset();
+
   // In Yosemite, some combination of the titlebar and toolbar always show in
   // full-screen mode. We do not want either to show. Search for the window that
   // contains the views, and hide it. There is no need to ever unhide the view.
   // http://crbug.com/380235
   if (base::mac::IsOSYosemiteOrLater()) {
     for (NSWindow* window in [[NSApplication sharedApplication] windows]) {
       if ([window
               isKindOfClass:NSClassFromString(@"NSToolbarFullScreenWindow")]) {
         [[window contentView] setHidden:YES];
       }
@@ skipping 300 matching lines @@
 
   // Add in the subviews above the tabContentArea.
   for (NSUInteger i = index + 1; i < [subviews count]; ++i) {
     NSView* view = [subviews objectAtIndex:i];
     [self.chromeContentView addSubview:view
                             positioned:NSWindowAbove
                             relativeTo:nil];
   }
 }
 
-- (BOOL)shouldUseMavericksAppKitFullscreenHack {
++ (BOOL)systemSettingsRequireMavericksAppKitFullscreenHack {
   if (!base::mac::IsOSMavericks())
     return NO;
-  if (![NSScreen respondsToSelector:@selector(screensHaveSeparateSpaces)] ||
-      ![NSScreen screensHaveSeparateSpaces]) {
+  return [NSScreen respondsToSelector:@selector(screensHaveSeparateSpaces)] &&
+         [NSScreen screensHaveSeparateSpaces];
+}
+
+- (BOOL)shouldUseMavericksAppKitFullscreenHack {
+  if (![[self class] systemSettingsRequireMavericksAppKitFullscreenHack])
     return NO;
-  }
   if (!enteringAppKitFullscreen_)
     return NO;
   if (enteringAppKitFullscreenOnPrimaryScreen_)
     return NO;
 
   return YES;
 }
 
+- (BOOL)shouldUseCustomAppKitFullscreenTransition {
+  if (base::mac::IsOSMountainLionOrEarlier())
+    return NO;
+
+  NSView* root = [[self.window contentView] superview];
+  if (!root.layer)
+    return NO;
+
+  // AppKit on OSX 10.9 has a bug for applications linked against OSX 10.8 SDK
+  // and earlier. Under specific circumstances, it prevents the custom AppKit
+  // transition from working well. See http://crbug.com/396980 for more
+  // details.
+  if ([[self class] systemSettingsRequireMavericksAppKitFullscreenHack] &&
+      ![[[self window] screen] isEqual:[[NSScreen screens] objectAtIndex:0]]) {
+    return NO;
+  }
+
+  return YES;
+}
+
+- (NSArray*)customWindowsToEnterFullScreenForWindow:(NSWindow*)window {
+  DCHECK([window isEqual:self.window]);
+
+  if (![self shouldUseCustomAppKitFullscreenTransition])
+    return nil;
+
+  enterFullscreenTransition_.reset(
+      [[BrowserWindowEnterFullscreenTransition alloc]
+          initWithWindow:self.window]);
+  return [enterFullscreenTransition_ customWindowsToEnterFullScreen];
+}
+
+- (void)window:(NSWindow*)window
+    startCustomAnimationToEnterFullScreenWithDuration:(NSTimeInterval)duration {
+  DCHECK([window isEqual:self.window]);
+  [enterFullscreenTransition_
+      startCustomAnimationToEnterFullScreenWithDuration:duration];
+}
+
+- (BOOL)shouldConstrainFrameRect {
+  if ([enterFullscreenTransition_ shouldWindowBeUnconstrained])
+    return NO;
+
+  return [super shouldConstrainFrameRect];
+}
+
 @end  // @implementation BrowserWindowController(Private)