Index: components/exo/surface_delegate.h |
diff --git a/components/exo/surface_delegate.h b/components/exo/surface_delegate.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bfda475fc5b18f78c361cf276b499cd8b1088b08 |
--- /dev/null |
+++ b/components/exo/surface_delegate.h |
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+// 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. |
+ |
+#ifndef COMPONENTS_EXO_SURFACE_DELEGATE_H_ |
+#define COMPONENTS_EXO_SURFACE_DELEGATE_H_ |
+ |
+namespace exo { |
+ |
+// Handles events on surfaces in context-specific ways. |
+class SurfaceDelegate { |
+ public: |
+ // Called when the surface is destroyed. The delegate can use this |
+ // opportunity to delete itself if necessary. |
+ virtual void OnSurfaceDestroying() = 0; |
+ |
+ // Called when surface was requested to commit all double-buffered state. |
+ virtual void OnSurfaceCommit() = 0; |
+ |
+ protected: |
+ virtual ~SurfaceDelegate() {} |
+}; |
+ |
+} // namespace exo |
+ |
+#endif // COMPONENTS_EXO_SURFACE_DELEGATE_H_ |