ios/web/navigation/navigation_item_facade_delegate.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 IOS_WEB_NAVIGATION_NAVIGATION_ITEM_FACADE_DELEGATE_H_
   6 #define IOS_WEB_NAVIGATION_NAVIGATION_ITEM_FACADE_DELEGATE_H_
   7
   8 namespace content {
   9 class NavigationEntry;
  10 }
  11
  12 namespace web {
  13
  14 class NavigationItemImpl;
  15
  16 // Interface used by NavigationItems to interact with their NavigationEntry
  17 // facades.  This pushes references to NavigationEntry out of the web-layer.
  18 // Note that since communication is one-directional, this interface is primarily
  19 // to add hooks for creation/deletion of facades.
  20 class NavigationItemFacadeDelegate {
  21  public:
  22   NavigationItemFacadeDelegate() {}
  23   virtual ~NavigationItemFacadeDelegate() {}
  24
  25   // Returns the facade object being driven by this delegate.
  26   virtual content::NavigationEntry* GetNavigationEntryFacade() = 0;
  27 };
  28
  29 }  // namespace web
  30
  31 #endif  // IOS_WEB_NAVIGATION_NAVIGATION_ITEM_FACADE_DELEGATE_H_