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