content/browser/frame_host/navigator_impl.h

   1 // Copyright 2013 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 CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_
   6 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "content/browser/frame_host/navigator.h"
  10 #include "content/common/content_export.h"
  11
  12 namespace content {
  13
  14 class NavigationControllerImpl;
  15 class NavigatorDelegate;
  16
  17 // This class is an implementation of Navigator, responsible for managing
  18 // navigations in regular browser tabs.
  19 class CONTENT_EXPORT NavigatorImpl : public Navigator {
  20  public:
  21   NavigatorImpl(NavigationControllerImpl* navigation_controller,
  22                 NavigatorDelegate* delegate);
  23
  24   // Navigator implementation.
  25   virtual void DidStartProvisionalLoad(RenderFrameHostImpl* render_frame_host,
  26                                        int64 frame_id,
  27                                        int64 parent_frame_id,
  28                                        bool main_frame,
  29                                        const GURL& url) OVERRIDE;
  30   virtual void DidFailProvisionalLoadWithError(
  31       RenderFrameHostImpl* render_frame_host,
  32       const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params)
  33       OVERRIDE;
  34
  35  private:
  36   virtual ~NavigatorImpl() {}
  37
  38   // The NavigationController that will keep track of session history for all
  39   // RenderFrameHost objects using this NavigatorImpl.
  40   // TODO(nasko): Move ownership of the NavigationController from
  41   // WebContentsImpl to this class.
  42   NavigationControllerImpl* controller_;
  43
  44   // Used to notify the object embedding this Navigator about navigation
  45   // events. Can be NULL in tests.
  46   NavigatorDelegate* delegate_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
  49 };
  50
  51 }  // namespace content
  52
  53 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_