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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_WM_CORE_BASE_FOCUS_RULES_H_
#define UI_WM_CORE_BASE_FOCUS_RULES_H_
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "ui/wm/core/focus_rules.h"
namespace wm {
// 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 WM_CORE_EXPORT BaseFocusRules : public FocusRules {
protected:
BaseFocusRules();
~BaseFocusRules() override;
// 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:
bool IsToplevelWindow(aura::Window* window) const override;
bool CanActivateWindow(aura::Window* window) const override;
bool CanFocusWindow(aura::Window* window,
const ui::Event* event) const override;
aura::Window* GetToplevelWindow(aura::Window* window) const override;
aura::Window* GetActivatableWindow(aura::Window* window) const override;
aura::Window* GetFocusableWindow(aura::Window* window) const override;
aura::Window* GetNextActivatableWindow(aura::Window* ignore) const override;
private:
DISALLOW_COPY_AND_ASSIGN(BaseFocusRules);
};
} // namespace wm
#endif // UI_WM_CORE_BASE_FOCUS_RULES_H_