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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef COMPONENTS_MUS_WS_ACCESS_POLICY_H_ | 5 #ifndef COMPONENTS_MUS_WS_ACCESS_POLICY_H_ |
| 6 #define COMPONENTS_MUS_WS_ACCESS_POLICY_H_ | 6 #define COMPONENTS_MUS_WS_ACCESS_POLICY_H_ |
| 7 | 7 |
| 8 #include "components/mus/public/interfaces/mus_constants.mojom.h" | 8 #include "components/mus/public/interfaces/mus_constants.mojom.h" |
| 9 #include "components/mus/ws/ids.h" | 9 #include "components/mus/ws/ids.h" |
| 10 | 10 |
| 11 namespace mus { | 11 namespace mus { |
| 12 | 12 |
| 13 class ServerView; | 13 class ServerView; |
| 14 | 14 |
| 15 // AccessPolicy is used by ViewTreeImpl to determine what a connection is | 15 // AccessPolicy is used by ViewTreeImpl to determine what a connection is |
| 16 // allowed to do. | 16 // allowed to do. |
| 17 class AccessPolicy { | 17 class AccessPolicy { |
| 18 public: | 18 public: |
| 19 virtual ~AccessPolicy() {} | 19 virtual ~AccessPolicy() {} |
| 20 | 20 |
| 21 // Unless otherwise mentioned all arguments have been validated. That is the | 21 // Unless otherwise mentioned all arguments have been validated. That is the |
| 22 // |view| arguments are non-null unless otherwise stated (eg CanSetView() is | 22 // |view| arguments are non-null unless otherwise stated (eg CanSetWindow() is |
| 23 // allowed to take a NULL view). | 23 // allowed to take a NULL view). |
| 24 virtual bool CanRemoveViewFromParent(const ServerView* view) const = 0; | 24 virtual bool CanRemoveWindowFromParent(const ServerView* view) const = 0; |
| 25 virtual bool CanAddView(const ServerView* parent, | 25 virtual bool CanAddWindow(const ServerView* parent, |
| 26 const ServerView* child) const = 0; | 26 const ServerView* child) const = 0; |
| 27 virtual bool CanReorderView(const ServerView* view, | 27 virtual bool CanReorderWindow(const ServerView* view, |
| 28 const ServerView* relative_view, | 28 const ServerView* relative_view, |
| 29 mojo::OrderDirection direction) const = 0; | 29 mojom::OrderDirection direction) const = 0; |
| 30 virtual bool CanDeleteView(const ServerView* view) const = 0; | 30 virtual bool CanDeleteWindow(const ServerView* view) const = 0; |
| 31 virtual bool CanGetViewTree(const ServerView* view) const = 0; | 31 virtual bool CanGetWindowTree(const ServerView* view) const = 0; |
| 32 // Used when building a view tree (GetViewTree()) to decide if we should | 32 // Used when building a view tree (GetViewTree()) to decide if we should |
| 33 // descend into |view|. | 33 // descend into |view|. |
| 34 virtual bool CanDescendIntoViewForViewTree(const ServerView* view) const = 0; | 34 virtual bool CanDescendIntoViewForViewTree(const ServerView* view) const = 0; |
| 35 virtual bool CanEmbed(const ServerView* view, | 35 virtual bool CanEmbed(const ServerView* view, |
| 36 uint32_t policy_bitmask) const = 0; | 36 uint32_t policy_bitmask) const = 0; |
| 37 virtual bool CanChangeViewVisibility(const ServerView* view) const = 0; | 37 virtual bool CanChangeViewVisibility(const ServerView* view) const = 0; |
| 38 virtual bool CanSetWindowSurfaceId(const ServerView* view) const = 0; | 38 virtual bool CanSetWindowSurfaceId(const ServerView* view) const = 0; |
| 39 virtual bool CanSetViewBounds(const ServerView* view) const = 0; | 39 virtual bool CanSetWindowBounds(const ServerView* view) const = 0; |
| 40 virtual bool CanSetViewProperties(const ServerView* view) const = 0; | 40 virtual bool CanSetWindowProperties(const ServerView* view) const = 0; |
| 41 virtual bool CanSetViewTextInputState(const ServerView* view) const = 0; | 41 virtual bool CanSetWindowTextInputState(const ServerView* view) const = 0; |
| 42 virtual bool CanSetFocus(const ServerView* view) const = 0; | 42 virtual bool CanSetFocus(const ServerView* view) const = 0; |
| 43 virtual bool CanSetClientArea(const ServerView* window) const = 0; | 43 virtual bool CanSetClientArea(const ServerView* window) const = 0; |
| 44 | 44 |
| 45 // Returns whether the connection should notify on a hierarchy change. | 45 // Returns whether the connection should notify on a hierarchy change. |
| 46 // |new_parent| and |old_parent| are initially set to the new and old parents | 46 // |new_parent| and |old_parent| are initially set to the new and old parents |
| 47 // but may be altered so that the client only sees a certain set of views. | 47 // but may be altered so that the client only sees a certain set of views. |
| 48 virtual bool ShouldNotifyOnHierarchyChange( | 48 virtual bool ShouldNotifyOnHierarchyChange( |
| 49 const ServerView* view, | 49 const ServerView* view, |
| 50 const ServerView** new_parent, | 50 const ServerView** new_parent, |
| 51 const ServerView** old_parent) const = 0; | 51 const ServerView** old_parent) const = 0; |
| 52 | 52 |
| 53 // Returns the view to supply to the client when focus changes to |focused|. | 53 // Returns the view to supply to the client when focus changes to |focused|. |
| 54 virtual const ServerView* GetViewForFocusChange( | 54 virtual const ServerView* GetViewForFocusChange( |
| 55 const ServerView* focused) = 0; | 55 const ServerView* focused) = 0; |
| 56 }; | 56 }; |
| 57 | 57 |
| 58 } // namespace mus | 58 } // namespace mus |
| 59 | 59 |
| 60 #endif // COMPONENTS_MUS_WS_ACCESS_POLICY_H_ | 60 #endif // COMPONENTS_MUS_WS_ACCESS_POLICY_H_ |
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