| // 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/basictypes.h" |
| #include "base/compiler_specific.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_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 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_ |