Makes the maximize/restore button handling

ash/launcher/launcher_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 "ash/launcher/launcher_view.h"
 
 #include "ash/launcher/launcher_button.h"
 #include "ash/launcher/launcher_delegate.h"
 #include "ash/launcher/launcher_model.h"
 #include "ash/launcher/launcher_window_cycler.h"
@@ skipping 242 matching lines @@
       views::CustomButton::BS_PUSHED,
       rb.GetImageNamed(IDR_AURA_LAUNCHER_OVERFLOW_PUSHED).ToSkBitmap());
   overflow_button_->SetAccessibleName(
       l10n_util::GetStringUTF16(IDS_AURA_LAUNCHER_OVERFLOW_NAME));
   ConfigureChildView(overflow_button_);
   AddChildView(overflow_button_);
 
   // We'll layout when our bounds change.
 }
 
+gfx::Rect LauncherView::GetIdealBoundsOfItemIcon(LauncherID id) {
+  int index = model_->ItemIndexByID(id);
+  if (index == -1 || !view_model_->view_at(index)->visible())
+    return gfx::Rect();
+  const gfx::Rect& ideal_bounds(view_model_->ideal_bounds(index));
+  DCHECK_NE(TYPE_APP_LIST, model_->items()[index].type);
+  LauncherButton* button =
+      static_cast<LauncherButton*>(view_model_->view_at(index));
+  gfx::Rect icon_bounds = button->GetIconBounds();
+  return gfx::Rect(ideal_bounds.x() + icon_bounds.x(),
+                   ideal_bounds.y() + icon_bounds.y(),
+                   icon_bounds.width(), icon_bounds.height());
+}
+
 void LauncherView::LayoutToIdealBounds() {
   IdealBounds ideal_bounds;
   CalculateIdealBounds(&ideal_bounds);
   ViewModelUtils::SetViewBoundsToIdealBounds(*view_model_);
   overflow_button_->SetBoundsRect(ideal_bounds.overflow_bounds);
 }
 
 void LauncherView::CalculateIdealBounds(IdealBounds* bounds) {
   int available_width = width();
   if (!available_width)
@@ skipping 457 matching lines @@
   // code.
   if (launcher_menu_runner_->RunMenuAt(
           source->GetWidget(), NULL, gfx::Rect(point, gfx::Size()),
           views::MenuItemView::TOPLEFT, 0) == views::MenuRunner::MENU_DELETED)
     return;
 #endif
 }
 
 }  // namespace internal
 }  // namespace ash