Add some extra height to bookmark bar if the font wants to be larger

chrome/browser/ui/views/bookmarks/bookmark_bar_view.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/bookmarks/bookmark_bar_view.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <limits>
@@ skipping 154 matching lines @@
 static const int kSeparatorStartX = 2;
 
 // Left-padding for the instructional text.
 static const int kInstructionsPadding = 6;
 
 // Tag for the 'Apps Shortcut' button.
 static const int kAppsShortcutButtonTag = 2;
 
 // Preferred padding between text and edge.
 static const int kButtonPaddingHorizontal = 6;
-static const int kButtonPaddingVertical = 4;
+static const int kButtonPaddingVertical = 5;
 
 static const gfx::ElideBehavior kElideBehavior = gfx::FADE_TAIL;
 
 namespace {
 
 // To enable/disable BookmarkBar animations during testing. In production
 // animations are enabled by default.
 bool animations_enabled = true;
 
 gfx::ImageSkia* GetImageSkiaNamed(int id) {
@@ skipping 650 matching lines @@
   if (infobar_visible_)
     return detached_overlap;
 
   // When detached with no infobar, animate the overlap between the attached and
   // detached states.
   return detached_overlap + static_cast<int>(
       (attached_overlap - detached_overlap) *
           size_animation_.GetCurrentValue());
 }
 
+int BookmarkBarView::GetPreferredHeight() const {
+  int height = 0;
+  for (int i = 0; i < child_count(); ++i) {
+    const views::View* view = child_at(i);
+    if (view->visible()) {
+      gfx::Size pref = view->GetPreferredSize();
+      height = std::max(pref.height(), height);
+    }
+  }
+  return std::max(height, chrome::kMinimumBookmarkBarHeight);
+}
+
 gfx::Size BookmarkBarView::GetPreferredSize() const {
   gfx::Size prefsize;
+  int preferred_height = GetPreferredHeight();
   if (IsDetached()) {
     prefsize.set_height(
-        chrome::kBookmarkBarHeight +
+        preferred_height +
         static_cast<int>(
-            (chrome::kNTPBookmarkBarHeight - chrome::kBookmarkBarHeight) *
+            (chrome::kNTPMinimumBookmarkBarHeight - preferred_height) *

[sky, 2016/08/16 21:56:13]

Might this line and line 899 go negative now. I guess that's ok, just weird.

[kylix_rd, 2016/08/17 15:39:02]

Unless the font pushes preferred_height > kNTPMinimumBookmarkBarHeight, it
should remain >= 0. It's possible, yet, bit not very probable.
kNTPMinimumBookmarkBarHeight has more "headroom" than kMinimumBookmarkBarHeight.

             (1 - size_animation_.GetCurrentValue())));
   } else {
-    prefsize.set_height(static_cast<int>(chrome::kBookmarkBarHeight *
-                                         size_animation_.GetCurrentValue()));
+    prefsize.set_height(static_cast<int>(preferred_height *
+                        size_animation_.GetCurrentValue()));
   }
   return prefsize;
 }
 
 bool BookmarkBarView::CanProcessEventsWithinSubtree() const {
   // If the bookmark bar is attached and the omnibox popup is open (on top of
   // the bar), prevent events from targeting the bookmark bar or any of its
   // descendants. This will prevent hovers/clicks just above the omnibox popup
   // from activating the top few pixels of items on the bookmark bar.
   if (!IsDetached() && browser_view_ &&
       browser_view_->GetLocationBar()->GetOmniboxView()->model()->
           popup_model()->IsOpen()) {
     return false;
   }
   return true;
 }
 
 gfx::Size BookmarkBarView::GetMinimumSize() const {
   // The minimum width of the bookmark bar should at least contain the overflow
   // button, by which one can access all the Bookmark Bar items, and the "Other
   // Bookmarks" folder, along with appropriate margins and button padding.
   // It should also contain the Managed and/or Supervised Bookmarks folders,
   // if they are visible.
   int width = GetHorizontalMargin();
 
-  int height = chrome::kBookmarkBarHeight;
+  int height = GetPreferredHeight();
   if (IsDetached()) {
     double current_state = 1 - size_animation_.GetCurrentValue();
     width += 2 * static_cast<int>(kNewTabHorizontalPadding * current_state);
-    height += static_cast<int>(
-        (chrome::kNTPBookmarkBarHeight - chrome::kBookmarkBarHeight) *
-            current_state);
+    height += static_cast<int>((chrome::kNTPMinimumBookmarkBarHeight - height) *
+                               current_state);
   }
 
   if (managed_bookmarks_button_->visible()) {
     gfx::Size size = managed_bookmarks_button_->GetPreferredSize();
     width += size.width() + kButtonPadding;
   }
   if (supervised_bookmarks_button_->visible()) {
     gfx::Size size = supervised_bookmarks_button_->GetPreferredSize();
     width += size.width() + kButtonPadding;
   }
@@ skipping 19 matching lines @@
 
 void BookmarkBarView::Layout() {
   // Skip layout during destruction, when no model exists.
   if (!model_)
     return;
 
   int x = GetHorizontalMargin();
   int top_margin = IsDetached() ? kDetachedTopMargin : 0;
   int y = top_margin;
   int width = View::width() - 2 * GetHorizontalMargin();
-  int height = chrome::kBookmarkBarHeight - kBottomMargin;
+  int preferred_height = GetPreferredHeight();
+  int height = preferred_height - kBottomMargin;
   int separator_margin = kSeparatorMargin;
 
   if (IsDetached()) {
     double current_state = 1 - size_animation_.GetCurrentValue();
     x += static_cast<int>(kNewTabHorizontalPadding * current_state);
-    y += (View::height() - chrome::kBookmarkBarHeight) / 2;
+    y += (View::height() - preferred_height) / 2;
     width -= static_cast<int>(kNewTabHorizontalPadding * current_state);
     separator_margin -= static_cast<int>(kSeparatorMargin * current_state);
   } else {
     // For the attached appearance, pin the content to the bottom of the bar
     // when animating in/out, as shrinking its height instead looks weird.  This
     // also matches how we layout infobars.
-    y += View::height() - chrome::kBookmarkBarHeight;
+    y += View::height() - preferred_height;
   }
 
   gfx::Size other_bookmarks_pref = other_bookmarks_button_->visible() ?
       other_bookmarks_button_->GetPreferredSize() : gfx::Size();
   gfx::Size overflow_pref = overflow_button_->GetPreferredSize();
   gfx::Size bookmarks_separator_pref =
       bookmarks_separator_view_->GetPreferredSize();
   gfx::Size apps_page_shortcut_pref = apps_page_shortcut_->visible() ?
       apps_page_shortcut_->GetPreferredSize() : gfx::Size();
 
@@ skipping 698 matching lines @@
       base::Bind(&BookmarkBarView::OnShowManagedBookmarksPrefChanged,
                  base::Unretained(this)));
   apps_page_shortcut_->SetVisible(
       chrome::ShouldShowAppsShortcutInBookmarkBar(browser_->profile()));
 
   bookmarks_separator_view_ = new ButtonSeparatorView();
   AddChildView(bookmarks_separator_view_);
   UpdateBookmarksSeparatorVisibility();
 
   instructions_ = new BookmarkBarInstructionsView(this);
+  instructions_->SetBorder(views::Border::CreateEmptyBorder(
+      kButtonPaddingVertical, 0, kButtonPaddingVertical, 0));
   AddChildView(instructions_);
 
   set_context_menu_controller(this);
 
   model_ = BookmarkModelFactory::GetForBrowserContext(browser_->profile());
   managed_ = ManagedBookmarkServiceFactory::GetForProfile(browser_->profile());
   if (model_) {
     model_->AddObserver(this);
     if (model_->loaded())
       BookmarkModelLoaded(model_, false);
@@ skipping 504 matching lines @@
     return;
   apps_page_shortcut_->SetVisible(visible);
   UpdateBookmarksSeparatorVisibility();
   LayoutAndPaint();
 }
 
 void BookmarkBarView::OnShowManagedBookmarksPrefChanged() {
   if (UpdateOtherAndManagedButtonsVisibility())
     LayoutAndPaint();
 }