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// 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 COMPONENTS_MUS_ACCESS_POLICY_DELEGATE_H_
#define COMPONENTS_MUS_ACCESS_POLICY_DELEGATE_H_
#include <vector>
#include "base/containers/hash_tables.h"
#include "components/mus/ids.h"
namespace view_manager {
class ServerView;
// Delegate used by the AccessPolicy implementations to get state.
class AccessPolicyDelegate {
public:
// Returns true if |id| is the root of the connection.
virtual bool IsRootForAccessPolicy(const ViewId& id) const = 0;
// Returns true if |view| has been exposed to the client.
virtual bool IsViewKnownForAccessPolicy(const ServerView* view) const = 0;
// Returns true if Embed(view) has been invoked on |view|.
virtual bool IsViewRootOfAnotherConnectionForAccessPolicy(
const ServerView* view) const = 0;
// Returns true if SetEmbedRoot() was invoked and |view| is a descendant of
// the root of the connection.
virtual bool IsDescendantOfEmbedRoot(const ServerView* view) = 0;
protected:
virtual ~AccessPolicyDelegate() {}
};
} // namespace view_manager
#endif // COMPONENTS_MUS_ACCESS_POLICY_DELEGATE_H_
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