arc-app-launcher: Minimal support for ARC app launcher.

chrome/browser/ui/app_list/arc_app_item.h

+// Copyright (c) 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.
+
+#ifndef CHROME_BROWSER_UI_APP_LIST_ARC_APP_ITEM_H_
+#define CHROME_BROWSER_UI_APP_LIST_ARC_APP_ITEM_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "ui/app_list/app_list_item.h"
+#include "ui/base/layout.h"
+#include "ui/gfx/image/image.h"
+#include "ui/gfx/image/image_skia.h"
+
+class Profile;
+
+namespace base {
+class FilePath;
+}
+
+namespace content {
+class BrowserContext;
+}
+
+// ArcAppItem represents an Arc app in app list.
+class ArcAppItem : public app_list::AppListItem {
+ public:
+  static const char kItemType[];
+
+  ArcAppItem(content::BrowserContext* context,
+             const std::string& id,
+             const std::string& name,
+             bool ready);
+ ~ArcAppItem() override;
+
+  void SetName(const std::string& name);
+
+  void Activate(int event_flags) override;
+  const char* GetItemType() const override;
+
+  void SetReady(bool ready);
+  void UpdateIcon(ui::ScaleFactor scale_factor, const base::FilePath& path);
+
+ private:
+  content::BrowserContext* context_;
+  bool ready_;
+  gfx::ImageSkia image_skia_;
+  gfx::Image image_;
+
+  base::WeakPtrFactory<ArcAppItem> weak_ptr_factory_;
+
+  void UpdateIcon();
+  void UpdateIcon(const gfx::ImageSkia* image);
+  void UpdateIconOnBlockingThread(ui::ScaleFactor scale_factor,
+                                  const base::FilePath& path);
+  void OnIconLoaded(const gfx::Image& image_in);
+
+  DISALLOW_COPY_AND_ASSIGN(ArcAppItem);
+};
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_ARC_APP_ITEM_H_