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 NavigationController* GetController() OVERRIDE;
  28   virtual void DidStartProvisionalLoad(RenderFrameHostImpl* render_frame_host,
  29                                        int parent_routing_id,
  30                                        const GURL& url) OVERRIDE;
  31   virtual void DidFailProvisionalLoadWithError(
  32       RenderFrameHostImpl* render_frame_host,
  33       const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params)
  34       OVERRIDE;
  35   virtual void DidFailLoadWithError(
  36       RenderFrameHostImpl* render_frame_host,
  37       const GURL& url,
  38       int error_code,
  39       const base::string16& error_description) OVERRIDE;
  40   virtual void DidRedirectProvisionalLoad(
  41       RenderFrameHostImpl* render_frame_host,
  42       int32 page_id,
  43       const GURL& source_url,
  44       const GURL& target_url) OVERRIDE;
  45   virtual void DidNavigate(
  46       RenderFrameHostImpl* render_frame_host,
  47       const FrameHostMsg_DidCommitProvisionalLoad_Params&
  48           input_params) OVERRIDE;
  49   virtual bool NavigateToPendingEntry(
  50       RenderFrameHostImpl* render_frame_host,
  51       NavigationController::ReloadType reload_type) OVERRIDE;
  52   virtual base::TimeTicks GetCurrentLoadStart() OVERRIDE;
  53   virtual void RequestOpenURL(RenderFrameHostImpl* render_frame_host,
  54                               const GURL& url,
  55                               const Referrer& referrer,
  56                               WindowOpenDisposition disposition,
  57                               bool should_replace_current_entry,
  58                               bool user_gesture) OVERRIDE;
  59   virtual void RequestTransferURL(
  60       RenderFrameHostImpl* render_frame_host,
  61       const GURL& url,
  62       const std::vector<GURL>& redirect_chain,
  63       const Referrer& referrer,
  64       PageTransition page_transition,
  65       WindowOpenDisposition disposition,
  66       const GlobalRequestID& transferred_global_request_id,
  67       bool should_replace_current_entry,
  68       bool user_gesture) OVERRIDE;
  69
  70  private:
  71   virtual ~NavigatorImpl() {}
  72
  73   // Navigates to the given entry, which must be the pending entry.  Private
  74   // because all callers should use NavigateToPendingEntry.
  75   bool NavigateToEntry(
  76       RenderFrameHostImpl* render_frame_host,
  77       const NavigationEntryImpl& entry,
  78       NavigationController::ReloadType reload_type);
  79
  80   bool ShouldAssignSiteForURL(const GURL& url);
  81
  82   // The NavigationController that will keep track of session history for all
  83   // RenderFrameHost objects using this NavigatorImpl.
  84   // TODO(nasko): Move ownership of the NavigationController from
  85   // WebContentsImpl to this class.
  86   NavigationControllerImpl* controller_;
  87
  88   // Used to notify the object embedding this Navigator about navigation
  89   // events. Can be NULL in tests.
  90   NavigatorDelegate* delegate_;
  91
  92   // System time at which the current load was started.
  93   base::TimeTicks current_load_start_;
  94
  95   DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
  96 };
  97
  98 }  // namespace content
  99
 100 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_