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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef COMPONENTS_VIEW_MANAGER_ACCESS_POLICY_DELEGATE_H_ | |
| 6 #define COMPONENTS_VIEW_MANAGER_ACCESS_POLICY_DELEGATE_H_ | |
| 7 | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/containers/hash_tables.h" | |
| 11 #include "components/view_manager/ids.h" | |
| 12 | |
| 13 namespace view_manager { | |
| 14 | |
| 15 class ServerView; | |
| 16 | |
| 17 // Delegate used by the AccessPolicy implementations to get state. | |
| 18 class AccessPolicyDelegate { | |
| 19 public: | |
| 20 // Returns true if |id| is the root of the connection. | |
| 21 virtual bool IsRootForAccessPolicy(const ViewId& id) const = 0; | |
| 22 | |
| 23 // Returns true if |view| has been exposed to the client. | |
| 24 virtual bool IsViewKnownForAccessPolicy(const ServerView* view) const = 0; | |
| 25 | |
| 26 // Returns true if Embed(view) has been invoked on |view|. | |
| 27 virtual bool IsViewRootOfAnotherConnectionForAccessPolicy( | |
| 28 const ServerView* view) const = 0; | |
| 29 | |
| 30 // Returns true if SetEmbedRoot() was invoked and |view| is a descendant of | |
| 31 // the root of the connection. | |
| 32 virtual bool IsDescendantOfEmbedRoot(const ServerView* view) = 0; | |
| 33 | |
| 34 protected: | |
| 35 virtual ~AccessPolicyDelegate() {} | |
| 36 }; | |
| 37 | |
| 38 } // namespace view_manager | |
| 39 | |
| 40 #endif // COMPONENTS_VIEW_MANAGER_ACCESS_POLICY_DELEGATE_H_ | |
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