app_list: Add transition for apps grid and search results.

ui/app_list/search_result_list_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/search_result_list_view.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/message_loop.h"
@@ skipping 54 matching lines @@
 
 bool SearchResultListView::IsResultViewSelected(
     const SearchResultView* result_view) const {
   if (selected_index_ < 0)
     return false;
 
   return static_cast<const SearchResultView*>(child_at(selected_index_)) ==
       result_view;
 }
 
+bool SearchResultListView::OnKeyPressed(const views::KeyEvent& event) {
+  switch (event.key_code()) {
+    case ui::VKEY_UP:
+      SetSelectedIndex(std::max(selected_index_ - 1, 0));
+      return true;
+    case ui::VKEY_DOWN:
+      SetSelectedIndex(std::min(selected_index_ + 1, last_visible_index_));
+      return true;
+    case ui::VKEY_RETURN:
+      if (selected_index_ >= 0)
+        ButtonPressed(GetResultViewAt(selected_index_), event);
+      return true;
+    default:
+      break;
+  }
+  return false;
+}
+
 SearchResultView* SearchResultListView::GetResultViewAt(int index) {
   DCHECK(index >= 0 && index < child_count());
   return static_cast<SearchResultView*>(child_at(index));
 }
 
 void SearchResultListView::Update() {
   last_visible_index_ = 0;
   for (size_t i = 0; i < static_cast<size_t>(child_count()); ++i) {
     SearchResultView* result_view = GetResultViewAt(i);
     if (i < results_->item_count()) {
@@ skipping 16 matching lines @@
   // When search results are added one by one, each addition generates an update
   // request. Consolidates those update requests into one Update call.
   if (!update_factory_.HasWeakPtrs()) {
     MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(&SearchResultListView::Update,
                    update_factory_.GetWeakPtr()));
   }
 }
 
-bool SearchResultListView::OnKeyPressed(const views::KeyEvent& event) {
-  switch (event.key_code()) {
-    case ui::VKEY_UP:
-      SetSelectedIndex(std::max(selected_index_ - 1, 0));
-      return true;
-    case ui::VKEY_DOWN:
-      SetSelectedIndex(std::min(selected_index_ + 1, last_visible_index_));
-      return true;
-    case ui::VKEY_RETURN:
-      if (selected_index_ >= 0)
-        ButtonPressed(GetResultViewAt(selected_index_), event);
-      return true;
-    default:
-      break;
-  }
-  return false;
-}
-
 void SearchResultListView::ButtonPressed(views::Button* sender,
                                          const views::Event& event) {
   if (sender->GetClassName() != SearchResultView::kViewClassName)
     return;
 
   if (delegate_) {
     const SearchResult* result =
         static_cast<SearchResultView*>(sender)->result();
     DCHECK(result);
     delegate_->OpenResult(*result, event.flags());
   }
 }
 
 void SearchResultListView::ListItemsAdded(size_t start, size_t count) {
   ScheduleUpdate();
 }
 
 void SearchResultListView::ListItemsRemoved(size_t start, size_t count) {
   ScheduleUpdate();
 }
 
 void SearchResultListView::ListItemsChanged(size_t start, size_t count) {
   ScheduleUpdate();
 }
 
 }  // namespace app_list