Animate window control changes in TouchView

chrome/browser/ui/views/frame/browser_non_client_frame_view_ash.cc

 // 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 "chrome/browser/ui/views/frame/browser_non_client_frame_view_ash.h"
 
+#include <algorithm>
+
 #include "ash/ash_switches.h"
 #include "ash/frame/caption_buttons/frame_caption_button_container_view.h"
 #include "ash/frame/default_header_painter.h"
 #include "ash/frame/frame_border_hit_test_controller.h"
 #include "ash/frame/header_painter_util.h"
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "chrome/browser/themes/theme_properties.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/views/frame/browser_frame.h"
@@ skipping 353 matching lines @@
 }
 
 gfx::ImageSkia BrowserNonClientFrameViewAsh::GetFaviconForTabIconView() {
   views::WidgetDelegate* delegate = frame()->widget_delegate();
   if (!delegate)
     return gfx::ImageSkia();
   return delegate->GetWindowIcon();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
+// views::View:
+
+void BrowserNonClientFrameViewAsh::
+    ChildPreferredSizeChanged(views::View* child) {
+// FrameCaptionButtonContainerView animates the visibility changes in
+// UpdateSizeButtonVisibility(false). Due to this a new size is not
+// available

[flackr, 2014/05/16 18:40:12]

nit: bad wrapping.

[jonross, 2014/05/16 19:50:01]

Done.

+// until the completion of the animation. Layout it response to the

[flackr, 2014/05/16 18:40:12]

s/it/in

[jonross, 2014/05/16 19:50:01]

Done.

+// preferred
+// size changes.
+  if (child != caption_button_container_)
+    return;
+  frame()->GetRootView()->Layout();
+}
+
+///////////////////////////////////////////////////////////////////////////////
 // BrowserNonClientFrameViewAsh, private:
 
 int BrowserNonClientFrameViewAsh::GetTabStripLeftInset() const {
   return avatar_button() ? kAvatarSideSpacing +
       browser_view()->GetOTRAvatarIcon().width() + kAvatarSideSpacing :
       kTabstripLeftSpacing;
 }
 
 int BrowserNonClientFrameViewAsh::GetTabStripRightInset() const {
   return caption_button_container_->GetPreferredSize().width() +
@@ skipping 143 matching lines @@
           ThemeProperties::COLOR_TOOLBAR_SEPARATOR));
 }
 
 void BrowserNonClientFrameViewAsh::PaintContentEdge(gfx::Canvas* canvas) {
   DCHECK(!UsePackagedAppHeaderStyle());
   canvas->FillRect(gfx::Rect(0, caption_button_container_->bounds().bottom(),
                              width(), kClientEdgeThickness),
                    ThemeProperties::GetDefaultColor(
                        ThemeProperties::COLOR_TOOLBAR_SEPARATOR));
 }