Move Icons out of Extension class

chrome/common/extensions/api/icons/icons_handler.h

+// Copyright (c) 2013 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_COMMON_EXTENSIONS_API_ICONS_ICONS_HANDLER_H_
+#define CHROME_COMMON_EXTENSIONS_API_ICONS_ICONS_HANDLER_H_
+
+#include <string>
+
+#include "chrome/common/extensions/extension.h"
+#include "chrome/common/extensions/extension_icon_set.h"
+#include "chrome/common/extensions/extension_resource.h"
+#include "chrome/common/extensions/manifest_handler.h"
+
+namespace extensions {
+
+struct IconsInfo : public Extension::ManifestData {
+  // Max size (both dimensions) for browser and page actions.
+  static const int kPageActionIconMaxSize;
+  static const int kBrowserActionIconMaxSize;
+
+  // The icons for the extension.
+  ExtensionIconSet icons;
+
+  // Return the icon set for the given |extension|.
+  static const ExtensionIconSet& GetIcons(const Extension* extension);
+
+  // Given an extension, icon size, and match type, read a valid icon if present
+  // and decode it into result. In the browser process, this will DCHECK if not
+  // called on the file thread. To easily load extension images on the UI
+  // thread, see ImageLoadingTracker.
+  static void DecodeIcon(const Extension* extension,
+                         int icon_size,
+                         ExtensionIconSet::MatchType match_type,
+                         scoped_ptr<SkBitmap>* result);
+
+  // Given an extension and icon size, read it if present and decode it into
+  // result. In the browser process, this will DCHECK if not called on the
+  // file thread. To easily load extension images on the UI thread, see
+  // ImageLoadingTracker.
+  static void DecodeIcon(const Extension* extension,
+                         int icon_size,
+                         scoped_ptr<SkBitmap>* result);
+
+  // Given an icon_path and icon size, read it if present and decode it into
+  // result. In the browser process, this will DCHECK if not called on the
+  // file thread. To easily load extension images on the UI thread, see
+  // ImageLoadingTracker.
+  static void DecodeIconFromPath(const FilePath& icon_path,
+                                 int icon_size,
+                                 scoped_ptr<SkBitmap>* result);
+
+  // Returns the default extension/app icon (for extensions or apps that don't
+  // have one).
+  static const gfx::ImageSkia& GetDefaultExtensionIcon();
+  static const gfx::ImageSkia& GetDefaultAppIcon();
+
+  // Get an extension icon as a resource or URL.
+  static ExtensionResource GetIconResource(
+      const Extension* extension,
+      int size,
+      ExtensionIconSet::MatchType match_type);
+  static GURL GetIconURL(const Extension* extension,
+                         int size,
+                         ExtensionIconSet::MatchType match_type);
+};
+
+// Parses the "icons" manifest key.
+class IconsHandler : public ManifestHandler {
+ public:
+  IconsHandler();
+  virtual ~IconsHandler();
+
+  virtual bool Parse(const base::Value* value,
+                     Extension* extension,
+                     string16* error) OVERRIDE;

[nilesh, 2013/01/28 22:42:57]

DISALLOW_COPY_AND_ASSIGN here too?
http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml?showone=Copy_C...

+};
+
+}  // namespace extensions
+
+#endif  // CHROME_COMMON_EXTENSIONS_API_ICONS_ICONS_HANDLER_H_