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