Index: chrome/browser/ui/gtk/tabstrip_origin_provider.h |
diff --git a/chrome/browser/ui/gtk/tabstrip_origin_provider.h b/chrome/browser/ui/gtk/tabstrip_origin_provider.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5211c700f5c507b64857e8e2c2c0de6b4d08f779 |
--- /dev/null |
+++ b/chrome/browser/ui/gtk/tabstrip_origin_provider.h |
@@ -0,0 +1,31 @@ |
+// 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_UI_GTK_TABSTRIP_ORIGIN_PROVIDER_H_ |
+#define CHROME_BROWSER_UI_GTK_TABSTRIP_ORIGIN_PROVIDER_H_ |
+#pragma once |
+ |
+namespace gfx{ |
+class Point; |
+} |
+ |
+// Abstract interface that provides an offset of a widget. Many pieces of the |
+// UI don't need the full BrowserWindowGtk, but just need information about |
+// it's position relative to the tabstrip to draw correctly. This interface |
+// exists to make it easier to test piece by piece. |
+class TabstripOriginProvider { |
+ public: |
+ virtual ~TabstripOriginProvider() { } |
+ |
+ // Return the origin of the tab strip in coordinates relative to where we |
+ // start drawing the background theme image. This is the x coordinate of |
+ // the origin of the GdkWindow of widget(), but the y coordinate of the origin |
+ // of widget() itself. |
+ // Used to help other widgets draw their background relative to the tabstrip. |
+ // Should only be called after both the tabstrip and |widget| have been |
+ // allocated. |
+ virtual gfx::Point GetTabStripOriginForWidget(GtkWidget* widget) = 0; |
+}; |
+ |
+#endif // CHROME_BROWSER_UI_GTK_TABSTRIP_ORIGIN_PROVIDER_H_ |