Index: services/window_manager/focus_rules.h |
diff --git a/services/window_manager/focus_rules.h b/services/window_manager/focus_rules.h |
deleted file mode 100644 |
index 82567ba04d6b84d2601e149441de218853517e2e..0000000000000000000000000000000000000000 |
--- a/services/window_manager/focus_rules.h |
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@@ -1,65 +0,0 @@ |
-// 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_RULES_H_ |
-#define SERVICES_WINDOW_MANAGER_FOCUS_RULES_H_ |
- |
-#include "mojo/services/view_manager/cpp/types.h" |
-#include "mojo/services/view_manager/cpp/view.h" |
- |
-namespace window_manager { |
- |
-// Implemented by an object that establishes the rules about what can be |
-// focused or activated. |
-class FocusRules { |
- public: |
- virtual ~FocusRules() {} |
- |
- // Returns true if the children of |window| can be activated. |
- virtual bool SupportsChildActivation(mojo::View* window) const = 0; |
- |
- // Returns true if |view| is a toplevel view. Whether or not a view |
- // is considered toplevel is determined by a similar set of rules that |
- // govern activation and focus. Not all toplevel views are activatable, |
- // call CanActivateView() to determine if a view can be activated. |
- virtual bool IsToplevelView(mojo::View* view) const = 0; |
- // Returns true if |view| can be activated or focused. |
- virtual bool CanActivateView(mojo::View* view) const = 0; |
- // For CanFocusView(), null is supported, because null is a valid focusable |
- // view (in the case of clearing focus). |
- virtual bool CanFocusView(mojo::View* view) const = 0; |
- |
- // Returns the toplevel view containing |view|. Not all toplevel views |
- // are activatable, call GetActivatableView() instead to return the |
- // activatable view, which might be in a different hierarchy. |
- // Will return null if |view| is not contained by a view considered to be |
- // a toplevel view. |
- virtual mojo::View* GetToplevelView(mojo::View* view) const = 0; |
- // Returns the activatable or focusable view given an attempt to activate or |
- // focus |view|. Some possible scenarios (not intended to be exhaustive): |
- // - |view| is a child of a non-focusable view and so focus must be set |
- // according to rules defined by the delegate, e.g. to a parent. |
- // - |view| is an activatable view that is the transient parent of a modal |
- // view, so attempts to activate |view| should result in the modal |
- // transient being activated instead. |
- // These methods may return null if they are unable to find an activatable |
- // or focusable view given |view|. |
- virtual mojo::View* GetActivatableView(mojo::View* view) const = 0; |
- virtual mojo::View* GetFocusableView(mojo::View* view) const = 0; |
- |
- // Returns the next view to activate in the event that |ignore| is no longer |
- // activatable. This function is called when something is happening to |
- // |ignore| that means it can no longer have focus or activation, including |
- // but not limited to: |
- // - it or its parent hierarchy is being hidden, or removed from the |
- // RootView. |
- // - it is being destroyed. |
- // - it is being explicitly deactivated. |
- // |ignore| cannot be null. |
- virtual mojo::View* GetNextActivatableView(mojo::View* ignore) const = 0; |
-}; |
- |
-} // namespace window_manager |
- |
-#endif // SERVICES_WINDOW_MANAGER_FOCUS_RULES_H_ |