src/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/navigation_controller_impl.h"
  10 #include "content/browser/frame_host/navigator.h"
  11 #include "content/common/content_export.h"
  12
  13 namespace content {
  14
  15 class NavigationControllerImpl;
  16 class NavigatorDelegate;
  17 struct LoadCommittedDetails;
  18
  19 // This class is an implementation of Navigator, responsible for managing
  20 // navigations in regular browser tabs.
  21 class CONTENT_EXPORT NavigatorImpl : public Navigator {
  22  public:
  23   NavigatorImpl(NavigationControllerImpl* navigation_controller,
  24                 NavigatorDelegate* delegate);
  25
  26   // Navigator implementation.
  27   virtual void DidStartProvisionalLoad(RenderFrameHostImpl* render_frame_host,
  28                                        int64 frame_id,
  29                                        int64 parent_frame_id,
  30                                        bool main_frame,
  31                                        const GURL& url) OVERRIDE;
  32   virtual void DidFailProvisionalLoadWithError(
  33       RenderFrameHostImpl* render_frame_host,
  34       const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params)
  35       OVERRIDE;
  36   virtual void DidFailLoadWithError(
  37       RenderFrameHostImpl* render_frame_host,
  38       int64 frame_id,
  39       const GURL& url,
  40       bool is_main_frame,
  41       int error_code,
  42       const base::string16& error_description) OVERRIDE;
  43   virtual void DidRedirectProvisionalLoad(
  44       RenderFrameHostImpl* render_frame_host,
  45       int32 page_id,
  46       const GURL& source_url,
  47       const GURL& target_url) OVERRIDE;
  48   virtual void DidNavigate(
  49       RenderFrameHostImpl* render_frame_host,
  50       const FrameHostMsg_DidCommitProvisionalLoad_Params&
  51           input_params) OVERRIDE;
  52   virtual bool NavigateToEntry(
  53       RenderFrameHostImpl* render_frame_host,
  54       const NavigationEntryImpl& entry,
  55       NavigationController::ReloadType reload_type) OVERRIDE;
  56   virtual bool NavigateToPendingEntry(
  57       RenderFrameHostImpl* render_frame_host,
  58       NavigationController::ReloadType reload_type) OVERRIDE;
  59   virtual base::TimeTicks GetCurrentLoadStart() OVERRIDE;
  60
  61  private:
  62   virtual ~NavigatorImpl() {}
  63
  64   bool ShouldAssignSiteForURL(const GURL& url);
  65
  66   // The NavigationController that will keep track of session history for all
  67   // RenderFrameHost objects using this NavigatorImpl.
  68   // TODO(nasko): Move ownership of the NavigationController from
  69   // WebContentsImpl to this class.
  70   NavigationControllerImpl* controller_;
  71
  72   // Used to notify the object embedding this Navigator about navigation
  73   // events. Can be NULL in tests.
  74   NavigatorDelegate* delegate_;
  75
  76   // System time at which the current load was started.
  77   base::TimeTicks current_load_start_;
  78
  79   DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
  80 };
  81
  82 }  // namespace content
  83
  84 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_