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Unified Diff: ui/aura/monitor_observer.h

Issue 9960042: Refactor screen/monitor so that gfx::Screen returns monitor object. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: sync Created 8 years, 8 months ago
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Index: ui/aura/monitor_observer.h
diff --git a/ui/aura/monitor_observer.h b/ui/aura/monitor_observer.h
new file mode 100644
index 0000000000000000000000000000000000000000..dbbc53a4f8b9a287d8c803dcd4ec435d90cd3022
--- /dev/null
+++ b/ui/aura/monitor_observer.h
@@ -0,0 +1,35 @@
+// Copyright (c) 2012 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 UI_AURA_MONITOR_OBSERVER_H_
+#define UI_AURA_MONITOR_OBSERVER_H_
+#pragma once
+
+#include "ui/aura/aura_export.h"
+
+namespace gfx {
+class Monitor;
+}
+
+namespace aura {
+
+// Observers for monitor configuration changes.
+class AURA_EXPORT MonitorObserver {
+ public:
+ // Called when the |monitor|'s bound has changed.
+ virtual void OnMonitorBoundsChanged(const gfx::Monitor& monitor) = 0;
+
+ // Called when |new_monitor| has been added.
+ virtual void OnMonitorAdded(const gfx::Monitor& new_monitor) = 0;
+
+ // Called when |old_monitor| has been removed.
+ virtual void OnMonitorRemoved(const gfx::Monitor& old_monitor) = 0;
+
+ protected:
+ virtual ~MonitorObserver();
+};
+
+} // namespace aura
+
+#endif // UI_AURA_MONITOR_OBSERVER_H_
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