1 files changed, 46 insertions, 0 deletions
diff --git a/chrome/browser/extensions/extension_shelf.h b/chrome/browser/extensions/extension_shelf.h
new file mode 100644
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--- /dev/null
+++ b/chrome/browser/extensions/extension_shelf.h
@@ -0,0 +1,46 @@
+// Copyright (c) 2009 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_EXTENSIONS_EXTENSION_SHELF_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_SHELF_H_
+
+#include "chrome/browser/extensions/extensions_service.h"
+#include "app/gfx/chrome_canvas.h"
+#include "chrome/common/notification_observer.h"
+#include "chrome/views/view.h"
+
+class Browser;
+
+class ExtensionShelf : public views::View,
+                       public NotificationObserver {
+ public:
+  explicit ExtensionShelf(Browser* browser);
+  virtual ~ExtensionShelf();
+
+  // View
+  virtual void Paint(ChromeCanvas* canvas);
+  virtual gfx::Size GetPreferredSize();
+  virtual void Layout();
+
+  // NotificationService method.
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
+  bool AddExtensionViews(const ExtensionList* extensions);
+  bool HasExtensionViews();
+
+ private:
+  // Inits the background bitmap.
+  void InitBackground(ChromeCanvas* canvas, const SkRect& subset);
+
+  Browser* browser_;
+
+  // Background bitmap to draw under extension views.
+  SkBitmap background_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExtensionShelf);
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SHELF_H_