Implement base class for app_list items.

chrome/browser/ui/app_list/chrome_app_list_item.cc

+// Copyright 2015 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/app_list/chrome_app_list_item.h"
+
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/app_list/app_list_service.h"
+#include "chrome/browser/ui/host_desktop.h"
+#include "extensions/browser/app_sorting.h"
+#include "extensions/browser/extension_system.h"
+#include "ui/gfx/color_utils.h"
+#include "ui/gfx/image/image_skia_operations.h"
+
+// static
+gfx::ImageSkia ChromeAppListItem::CreateDisabledIcon(
+    const gfx::ImageSkia& icon) {
+  const color_utils::HSL shift = {-1, 0, 0.6};
+  return gfx::ImageSkiaOperations::CreateHSLShiftedImage(icon, shift);
+}
+
+ChromeAppListItem::ChromeAppListItem(Profile* profile,
+                                     const std::string& app_id)
+    : app_list::AppListItem(app_id),
+      profile_(profile)  {
+}
+
+ChromeAppListItem::~ChromeAppListItem() {
+}
+
+extensions::AppSorting* ChromeAppListItem::GetAppSorting() {
+  return extensions::ExtensionSystem::Get(profile())->app_sorting();
+}
+
+void ChromeAppListItem::UpdateFromSync(
+    const app_list::AppListSyncableService::SyncItem* sync_item) {
+  DCHECK(sync_item && sync_item->item_ordinal.IsValid());
+  // An existing synced position exists, use that.
+  set_position(sync_item->item_ordinal);
+  // Only set the name from the sync item if it is empty.
+  if (name().empty())
+    SetName(sync_item->item_name);
+}
+
+AppListControllerDelegate* ChromeAppListItem::GetController() {
+  return AppListService::Get(chrome::GetActiveDesktop())->
+      GetControllerDelegate();
+}