Index: mojo/services/window_manager/focus_controller_observer.h |
diff --git a/mojo/services/window_manager/focus_controller_observer.h b/mojo/services/window_manager/focus_controller_observer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c5960b0e62801f15aad78ffdd19d4a93dfa82486 |
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+++ b/mojo/services/window_manager/focus_controller_observer.h |
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+// Copyright 2014 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 SERVICES_WINDOW_MANAGER_FOCUS_CONTROLLER_OBSERVER_H_ |
+#define SERVICES_WINDOW_MANAGER_FOCUS_CONTROLLER_OBSERVER_H_ |
+ |
+namespace mojo { |
+class View; |
+} |
+ |
+namespace window_manager { |
+ |
+class FocusControllerObserver { |
+ public: |
+ // Called when |active| gains focus, or there is no active view |
+ // (|active| is null in this case.). |
+ virtual void OnActivated(mojo::View* gained_active) = 0; |
+ |
+ // Called when focus moves to |gained_focus|. |
+ virtual void OnFocused(mojo::View* gained_focus) = 0; |
+ |
+ // Called when during view activation the currently active view is |
+ // selected for activation. This can happen when a view requested for |
+ // activation cannot be activated because a system modal view is active. |
+ virtual void OnAttemptToReactivateView(mojo::View* request_active, |
+ mojo::View* actual_active) {} |
+ |
+ protected: |
+ virtual ~FocusControllerObserver() {} |
+}; |
+ |
+} // namespace window_manager |
+ |
+#endif // SERVICES_WINDOW_MANAGER_FOCUS_CONTROLLER_OBSERVER_H_ |