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 struct FrameMsg_Navigate_Params;
  14
  15 namespace content {
  16
  17 class NavigationControllerImpl;
  18 class NavigatorDelegate;
  19 struct LoadCommittedDetails;
  20
  21 // This class is an implementation of Navigator, responsible for managing
  22 // navigations in regular browser tabs.
  23 class CONTENT_EXPORT NavigatorImpl : public Navigator {
  24  public:
  25   NavigatorImpl(NavigationControllerImpl* navigation_controller,
  26                 NavigatorDelegate* delegate);
  27
  28   // Fills in |params| based on the content of |entry|.
  29   static void MakeNavigateParams(const NavigationEntryImpl& entry,
  30                                  const NavigationControllerImpl& controller,
  31                                  NavigationController::ReloadType reload_type,
  32                                  base::TimeTicks navigation_start,
  33                                  FrameMsg_Navigate_Params* params);
  34
  35   // Navigator implementation.
  36   virtual NavigationController* GetController() OVERRIDE;
  37   virtual void DidStartProvisionalLoad(RenderFrameHostImpl* render_frame_host,
  38                                        const GURL& url,
  39                                        bool is_transition_navigation) OVERRIDE;
  40   virtual void DidFailProvisionalLoadWithError(
  41       RenderFrameHostImpl* render_frame_host,
  42       const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params)
  43       OVERRIDE;
  44   virtual void DidFailLoadWithError(
  45       RenderFrameHostImpl* render_frame_host,
  46       const GURL& url,
  47       int error_code,
  48       const base::string16& error_description) OVERRIDE;
  49   virtual void DidRedirectProvisionalLoad(
  50       RenderFrameHostImpl* render_frame_host,
  51       int32 page_id,
  52       const GURL& source_url,
  53       const GURL& target_url) OVERRIDE;
  54   virtual void DidNavigate(
  55       RenderFrameHostImpl* render_frame_host,
  56       const FrameHostMsg_DidCommitProvisionalLoad_Params&
  57           input_params) OVERRIDE;
  58   virtual bool NavigateToPendingEntry(
  59       RenderFrameHostImpl* render_frame_host,
  60       NavigationController::ReloadType reload_type) OVERRIDE;
  61   virtual base::TimeTicks GetCurrentLoadStart() OVERRIDE;
  62   virtual void RequestOpenURL(RenderFrameHostImpl* render_frame_host,
  63                               const GURL& url,
  64                               const Referrer& referrer,
  65                               WindowOpenDisposition disposition,
  66                               bool should_replace_current_entry,
  67                               bool user_gesture) OVERRIDE;
  68   virtual void RequestTransferURL(
  69       RenderFrameHostImpl* render_frame_host,
  70       const GURL& url,
  71       const std::vector<GURL>& redirect_chain,
  72       const Referrer& referrer,
  73       PageTransition page_transition,
  74       WindowOpenDisposition disposition,
  75       const GlobalRequestID& transferred_global_request_id,
  76       bool should_replace_current_entry,
  77       bool user_gesture) OVERRIDE;
  78   virtual void CommitNavigation(
  79       RenderFrameHostImpl* render_frame_host,
  80       const NavigationBeforeCommitInfo& info) OVERRIDE;
  81
  82  private:
  83   virtual ~NavigatorImpl() {}
  84
  85   // Navigates to the given entry, which must be the pending entry.  Private
  86   // because all callers should use NavigateToPendingEntry.
  87   bool NavigateToEntry(
  88       RenderFrameHostImpl* render_frame_host,
  89       const NavigationEntryImpl& entry,
  90       NavigationController::ReloadType reload_type);
  91
  92   bool ShouldAssignSiteForURL(const GURL& url);
  93
  94   void CheckWebUIRendererDoesNotDisplayNormalURL(
  95     RenderFrameHostImpl* render_frame_host,
  96     const GURL& url);
  97
  98   // The NavigationController that will keep track of session history for all
  99   // RenderFrameHost objects using this NavigatorImpl.
 100   // TODO(nasko): Move ownership of the NavigationController from
 101   // WebContentsImpl to this class.
 102   NavigationControllerImpl* controller_;
 103
 104   // Used to notify the object embedding this Navigator about navigation
 105   // events. Can be NULL in tests.
 106   NavigatorDelegate* delegate_;
 107
 108   // System time at which the current load was started.
 109   base::TimeTicks current_load_start_;
 110
 111   DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
 112 };
 113
 114 }  // namespace content
 115
 116 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_