mojo/services/view_manager/default_access_policy.h

   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 MOJO_SERVICES_VIEW_MANAGER_DEFAULT_ACCESS_POLICY_H_
   6 #define MOJO_SERVICES_VIEW_MANAGER_DEFAULT_ACCESS_POLICY_H_
   7
   8 #include "base/basictypes.h"
   9 #include "mojo/services/view_manager/access_policy.h"
  10
  11 namespace mojo {
  12 namespace service {
  13
  14 class AccessPolicyDelegate;
  15
  16 // AccessPolicy for all connections, except the window manager.
  17 class DefaultAccessPolicy : public AccessPolicy {
  18  public:
  19   DefaultAccessPolicy(ConnectionSpecificId connection_id,
  20                       AccessPolicyDelegate* delegate);
  21   virtual ~DefaultAccessPolicy();
  22
  23   // AccessPolicy:
  24   virtual bool CanRemoveViewFromParent(const ServerView* view) const OVERRIDE;
  25   virtual bool CanAddView(const ServerView* parent,
  26                           const ServerView* child) const OVERRIDE;
  27   virtual bool CanReorderView(const ServerView* view,
  28                               const ServerView* relative_view,
  29                               OrderDirection direction) const OVERRIDE;
  30   virtual bool CanDeleteView(const ServerView* view) const OVERRIDE;
  31   virtual bool CanGetViewTree(const ServerView* view) const OVERRIDE;
  32   virtual bool CanDescendIntoViewForViewTree(
  33       const ServerView* view) const OVERRIDE;
  34   virtual bool CanEmbed(const ServerView* view) const OVERRIDE;
  35   virtual bool CanChangeViewVisibility(const ServerView* view) const OVERRIDE;
  36   virtual bool CanSetViewSurfaceId(const ServerView* view) const OVERRIDE;
  37   virtual bool CanSetViewBounds(const ServerView* view) const OVERRIDE;
  38   virtual bool ShouldNotifyOnHierarchyChange(
  39       const ServerView* view,
  40       const ServerView** new_parent,
  41       const ServerView** old_parent) const OVERRIDE;
  42
  43  private:
  44   bool IsViewInRoots(const ServerView* view) const;
  45
  46   template <typename T>
  47   bool WasCreatedByThisConnection(const T* t) const {
  48     return t->id().connection_id == connection_id_;
  49   }
  50
  51   const ConnectionSpecificId connection_id_;
  52   AccessPolicyDelegate* delegate_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(DefaultAccessPolicy);
  55 };
  56
  57 }  // namespace service
  58 }  // namespace mojo
  59
  60 #endif  // MOJO_SERVICES_VIEW_MANAGER_DEFAULT_ACCESS_POLICY_H_