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// 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_VIEWS_COREWM_BASE_FOCUS_RULES_H_
#define UI_VIEWS_COREWM_BASE_FOCUS_RULES_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ui/views/corewm/focus_rules.h"
namespace views {
namespace corewm {
// A set of basic focus and activation rules. Specializations should most likely
// subclass this and call up to these methods rather than reimplementing them.
class VIEWS_EXPORT BaseFocusRules : public FocusRules {
protected:
BaseFocusRules();
virtual ~BaseFocusRules();
// Returns true if the children of |window| can be activated.
virtual bool SupportsChildActivation(aura::Window* window) const = 0;
// Returns true if |window| is considered visible for activation purposes.
virtual bool IsWindowConsideredVisibleForActivation(
aura::Window* window) const;
// Overridden from FocusRules:
virtual bool IsToplevelWindow(aura::Window* window) const OVERRIDE;
virtual bool CanActivateWindow(aura::Window* window) const OVERRIDE;
virtual bool CanFocusWindow(aura::Window* window) const OVERRIDE;
virtual aura::Window* GetToplevelWindow(aura::Window* window) const OVERRIDE;
virtual aura::Window* GetActivatableWindow(
aura::Window* window) const OVERRIDE;
virtual aura::Window* GetFocusableWindow(aura::Window* window) const OVERRIDE;
virtual aura::Window* GetNextActivatableWindow(
aura::Window* ignore) const OVERRIDE;
private:
DISALLOW_COPY_AND_ASSIGN(BaseFocusRules);
};
} // namespace corewm
} // namespace views
#endif // UI_VIEWS_COREWM_BASE_FOCUS_RULES_H_
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