Compute minimum widths for the toolbar components.

chrome/browser/ui/views/toolbar/toolbar_view.cc

 // Copyright 2013 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/toolbar/toolbar_view.h"
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/i18n/number_formatting.h"
 #include "base/prefs/pref_service.h"
@@ skipping 523 matching lines @@
     ui::Accelerator* accelerator) {
   return GetWidget()->GetAccelerator(command_id, accelerator);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // ToolbarView, views::View overrides:
 
 gfx::Size ToolbarView::GetPreferredSize() {
   gfx::Size size(location_bar_->GetPreferredSize());
   if (is_display_mode_normal()) {
-    size.Enlarge(
-        kLeftEdgeSpacing + back_->GetPreferredSize().width() +
-            forward_->GetPreferredSize().width() +
-            reload_->GetPreferredSize().width() + kStandardSpacing +
-            (show_home_button_.GetValue() ?
-                home_->GetPreferredSize().width() : 0) +
-            (origin_chip_view_->visible() ?
-                (origin_chip_view_->GetPreferredSize().width() +
-                    2 * kStandardSpacing) :
-                0) +
-            browser_actions_->GetPreferredSize().width() +
-            app_menu_->GetPreferredSize().width() + kRightEdgeSpacing,
-        0);
-    gfx::ImageSkia* normal_background =
-        GetThemeProvider()->GetImageSkiaNamed(IDR_CONTENT_TOP_CENTER);
-    size.SetToMax(
-        gfx::Size(0, normal_background->height() - content_shadow_height()));
-  } else {
-    const int kPopupBottomSpacingGlass = 1;
-    const int kPopupBottomSpacingNonGlass = 2;
-    size.Enlarge(
-        0,
-        PopupTopSpacing() + (GetWidget()->ShouldWindowContentsBeTransparent() ?
-            kPopupBottomSpacingGlass : kPopupBottomSpacingNonGlass));
+    int content_width = kLeftEdgeSpacing + back_->GetPreferredSize().width() +
+        forward_->GetPreferredSize().width() +
+        reload_->GetPreferredSize().width() +
+        (show_home_button_.GetValue() ? home_->GetPreferredSize().width() : 0) +
+        kStandardSpacing + browser_actions_->GetPreferredSize().width() +
+        app_menu_->GetPreferredSize().width() + kRightEdgeSpacing;
+    content_width += origin_chip_view_->visible() ?
+        (origin_chip_view_->GetPreferredSize().width() + kStandardSpacing) : 0;
+    size.Enlarge(content_width, 0);
   }
-  return size;
+  return SizeForContentSize(size);
+}
+
+gfx::Size ToolbarView::GetMinimumSize() {
+  gfx::Size size(location_bar_->GetMinimumSize());
+  if (is_display_mode_normal()) {
+    int content_width = kLeftEdgeSpacing + back_->GetMinimumSize().width() +
+        forward_->GetMinimumSize().width() + reload_->GetMinimumSize().width() +
+        (show_home_button_.GetValue() ? home_->GetMinimumSize().width() : 0) +
+        kStandardSpacing + browser_actions_->GetMinimumSize().width() +
+        app_menu_->GetMinimumSize().width() + kRightEdgeSpacing;
+    content_width += origin_chip_view_->visible() ?
+        (origin_chip_view_->GetMinimumSize().width() + kStandardSpacing) : 0;
+    size.Enlarge(content_width, 0);
+  }
+  return SizeForContentSize(size);
 }
 
 void ToolbarView::Layout() {
   // If we have not been initialized yet just do nothing.
   if (back_ == NULL)
     return;
 
   if (!is_display_mode_normal()) {
     location_bar_->SetBounds(0, PopupTopSpacing(), width(),
                              location_bar_->GetPreferredSize().height());
@@ skipping 193 matching lines @@
   EnumerateModulesModel* loaded_modules = EnumerateModulesModel::GetInstance();
   loaded_modules->MaybePostScanningTask();
   return loaded_modules->ShouldShowConflictWarning();
 #else
   return false;
 #endif
 }
 
 int ToolbarView::PopupTopSpacing() const {
   const int kPopupTopSpacingNonGlass = 3;
-  return GetWidget()->ShouldWindowContentsBeTransparent()
-             ? 0
-             : kPopupTopSpacingNonGlass;
+  return GetWidget()->ShouldWindowContentsBeTransparent() ?
+      0 : kPopupTopSpacingNonGlass;
+}
+
+gfx::Size ToolbarView::SizeForContentSize(gfx::Size size) const {
+  if (is_display_mode_normal()) {
+    gfx::ImageSkia* normal_background =
+        GetThemeProvider()->GetImageSkiaNamed(IDR_CONTENT_TOP_CENTER);
+    size.SetToMax(
+        gfx::Size(0, normal_background->height() - content_shadow_height()));
+  } else {
+    const int kPopupBottomSpacingGlass = 1;
+    const int kPopupBottomSpacingNonGlass = 2;
+    size.Enlarge(
+        0,
+        PopupTopSpacing() + (GetWidget()->ShouldWindowContentsBeTransparent() ?
+            kPopupBottomSpacingGlass : kPopupBottomSpacingNonGlass));
+  }
+  return size;
 }
 
 void ToolbarView::LoadImages() {
   ui::ThemeProvider* tp = GetThemeProvider();
 
   back_->SetImage(views::Button::STATE_NORMAL,
                   *(tp->GetImageSkiaNamed(IDR_BACK)));
   back_->SetImage(views::Button::STATE_DISABLED,
                   *(tp->GetImageSkiaNamed(IDR_BACK_D)));
 
@@ skipping 81 matching lines @@
 
 void ToolbarView::OnShowHomeButtonChanged() {
   Layout();
   SchedulePaint();
 }
 
 int ToolbarView::content_shadow_height() const {
   return browser_->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH ?
       kContentShadowHeightAsh : kContentShadowHeight;
 }