Prepare to use gfx::RenderText in views::Label.

ui/app_list/views/apps_grid_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 "ui/app_list/views/apps_grid_view.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 
 #include "base/guid.h"
 #include "ui/app_list/app_list_constants.h"
 #include "ui/app_list/app_list_folder_item.h"
 #include "ui/app_list/app_list_item.h"
 #include "ui/app_list/app_list_switches.h"
 #include "ui/app_list/views/app_list_drag_and_drop_host.h"
 #include "ui/app_list/views/app_list_folder_view.h"
 #include "ui/app_list/views/app_list_item_view.h"
 #include "ui/app_list/views/apps_grid_view_delegate.h"
 #include "ui/app_list/views/page_switcher.h"
 #include "ui/app_list/views/pulsing_block_view.h"
 #include "ui/app_list/views/top_icon_animation_view.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/events/event.h"
 #include "ui/gfx/animation/animation.h"
 #include "ui/views/border.h"
+#include "ui/views/controls/label.h"
 #include "ui/views/view_model_utils.h"
 #include "ui/views/widget/widget.h"
 
 #if defined(USE_AURA)
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #if defined(OS_WIN)
 #include "ui/views/win/hwnd_util.h"
 #endif  // defined(OS_WIN)
 #endif  // defined(USE_AURA)
@@ skipping 29 matching lines @@
 // Preferred tile size when showing in fixed layout.
 const int kPreferredTileWidth = 88;
 const int kPreferredTileHeight = 98;
 
 // Width in pixels of the area on the sides that triggers a page flip.
 const int kPageFlipZoneSize = 40;
 
 // Delay in milliseconds to do the page flip.
 const int kPageFlipDelayInMs = 1000;
 
-// How many pages on either side of the selected one we prerender.
-const int kPrerenderPages = 1;
-
 // The drag and drop proxy should get scaled by this factor.
 const float kDragAndDropProxyScale = 1.5f;
 
 // Delays in milliseconds to show folder dropping preview circle.
 const int kFolderDroppingDelay = 150;
 
 // Delays in milliseconds to show re-order preview.
 const int kReorderDelay = 120;
 
 // Delays in milliseconds to show folder item reparent UI.
@@ skipping 741 matching lines @@
   SetViewHidden(drag_view_, !visible, true);
 }
 
 void AppsGridView::SetDragAndDropHostOfCurrentAppList(
     ApplicationDragAndDropHost* drag_and_drop_host) {
   drag_and_drop_host_ = drag_and_drop_host;
 }
 
 void AppsGridView::Prerender(int page_index) {
   Layout();
-  int start = std::max(0, (page_index - kPrerenderPages) * tiles_per_page());
-  int end = std::min(view_model_.view_size(),
-                     (page_index + 1 + kPrerenderPages) * tiles_per_page());
-  for (int i = start; i < end; i++) {
-    AppListItemView* v = static_cast<AppListItemView*>(view_model_.view_at(i));
-    v->Prerender();
-  }
 }
 
 bool AppsGridView::IsAnimatingView(views::View* view) {
   return bounds_animator_.IsAnimating(view);
 }
 
 gfx::Size AppsGridView::GetPreferredSize() const {
   const gfx::Insets insets(GetInsets());
   const gfx::Size tile_size = gfx::Size(kPreferredTileWidth,
                                         kPreferredTileHeight);
@@ skipping 148 matching lines @@
         gfx::Size(kPreferredTileWidth, kPreferredTileHeight), true);
     pulsing_blocks_model_.Add(view, 0);
     AddChildView(view);
   }
 }
 
 views::View* AppsGridView::CreateViewForItemAtIndex(size_t index) {
   // The drag_view_ might be pending for deletion, therefore view_model_
   // may have one more item than item_list_.
   DCHECK_LE(index, item_list_->item_count());
-  AppListItemView* view = new AppListItemView(this,
-                                              item_list_->item_at(index));
+  AppListItemView* view = new AppListItemView(this, item_list_->item_at(index));
   view->SetIconSize(icon_size_);
   view->SetPaintToLayer(true);
   view->SetFillsBoundsOpaquely(false);
   return view;
 }
 
 AppsGridView::Index AppsGridView::GetIndexFromModelIndex(
     int model_index) const {
   return Index(model_index / tiles_per_page(), model_index % tiles_per_page());
 }
@@ skipping 1135 matching lines @@
 void AppsGridView::SetAsFolderDroppingTarget(const Index& target_index,
                                              bool is_target_folder) {
   AppListItemView* target_view =
       static_cast<AppListItemView*>(
           GetViewAtSlotOnCurrentPage(target_index.slot));
   if (target_view)
     target_view->SetAsAttemptedFolderTarget(is_target_folder);
 }
 
 }  // namespace app_list