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/containers/scoped_ptr_hash_map.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/time/time.h"
  12 #include "base/tuple.h"
  13 #include "content/browser/frame_host/navigation_controller_impl.h"
  14 #include "content/browser/frame_host/navigator.h"
  15 #include "content/common/content_export.h"
  16 #include "url/gurl.h"
  17
  18 class GURL;
  19 struct FrameMsg_Navigate_Params;
  20
  21 namespace content {
  22
  23 class NavigationControllerImpl;
  24 class NavigatorDelegate;
  25 class NavigatorTest;
  26 struct LoadCommittedDetails;
  27 struct CommitNavigationParams;
  28 struct CommonNavigationParams;
  29 struct RequestNavigationParams;
  30
  31 // This class is an implementation of Navigator, responsible for managing
  32 // navigations in regular browser tabs.
  33 class CONTENT_EXPORT NavigatorImpl : public Navigator {
  34  public:
  35   NavigatorImpl(NavigationControllerImpl* navigation_controller,
  36                 NavigatorDelegate* delegate);
  37
  38   // Navigator implementation.
  39   NavigationController* GetController() override;
  40   void DidStartProvisionalLoad(RenderFrameHostImpl* render_frame_host,
  41                                const GURL& url,
  42                                bool is_transition_navigation) override;
  43   void DidFailProvisionalLoadWithError(
  44       RenderFrameHostImpl* render_frame_host,
  45       const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params)
  46       override;
  47   void DidFailLoadWithError(RenderFrameHostImpl* render_frame_host,
  48                             const GURL& url,
  49                             int error_code,
  50                             const base::string16& error_description) override;
  51   void DidNavigate(RenderFrameHostImpl* render_frame_host,
  52                    const FrameHostMsg_DidCommitProvisionalLoad_Params&
  53                        input_params) override;
  54   bool NavigateToPendingEntry(
  55       RenderFrameHostImpl* render_frame_host,
  56       NavigationController::ReloadType reload_type) override;
  57   void RequestOpenURL(RenderFrameHostImpl* render_frame_host,
  58                       const GURL& url,
  59                       const Referrer& referrer,
  60                       WindowOpenDisposition disposition,
  61                       bool should_replace_current_entry,
  62                       bool user_gesture) override;
  63   void RequestTransferURL(RenderFrameHostImpl* render_frame_host,
  64                           const GURL& url,
  65                           const std::vector<GURL>& redirect_chain,
  66                           const Referrer& referrer,
  67                           ui::PageTransition page_transition,
  68                           WindowOpenDisposition disposition,
  69                           const GlobalRequestID& transferred_global_request_id,
  70                           bool should_replace_current_entry,
  71                           bool user_gesture) override;
  72   void OnBeginNavigation(FrameTreeNode* frame_tree_node,
  73                          const FrameHostMsg_BeginNavigation_Params& params,
  74                          const CommonNavigationParams& common_params) override;
  75   void CommitNavigation(FrameTreeNode* frame_tree_node,
  76                         ResourceResponse* response,
  77                         scoped_ptr<StreamHandle> body) override;
  78   void LogResourceRequestTime(base::TimeTicks timestamp,
  79                               const GURL& url) override;
  80   void LogBeforeUnloadTime(
  81       const base::TimeTicks& renderer_before_unload_start_time,
  82       const base::TimeTicks& renderer_before_unload_end_time) override;
  83   void CancelNavigation(FrameTreeNode* frame_tree_node) override;
  84
  85  private:
  86   // Holds data used to track browser side navigation metrics.
  87   struct NavigationMetricsData;
  88
  89   friend class NavigatorTest;
  90   ~NavigatorImpl() override;
  91
  92   // Navigates to the given entry, which must be the pending entry.  Private
  93   // because all callers should use NavigateToPendingEntry.
  94   bool NavigateToEntry(
  95       RenderFrameHostImpl* render_frame_host,
  96       const NavigationEntryImpl& entry,
  97       NavigationController::ReloadType reload_type);
  98
  99   bool ShouldAssignSiteForURL(const GURL& url);
 100
 101   void CheckWebUIRendererDoesNotDisplayNormalURL(
 102     RenderFrameHostImpl* render_frame_host,
 103     const GURL& url);
 104
 105   // PlzNavigate: sends a RequestNavigation IPC to the renderer to ask it to
 106   // navigate. If no live renderer is present, then the navigation request will
 107   // be sent directly to the ResourceDispatcherHost.
 108   bool RequestNavigation(FrameTreeNode* frame_tree_node,
 109                          const NavigationEntryImpl& entry,
 110                          NavigationController::ReloadType reload_type,
 111                          base::TimeTicks navigation_start);
 112
 113   void RecordNavigationMetrics(
 114       const LoadCommittedDetails& details,
 115       const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
 116       SiteInstance* site_instance);
 117
 118   // The NavigationController that will keep track of session history for all
 119   // RenderFrameHost objects using this NavigatorImpl.
 120   // TODO(nasko): Move ownership of the NavigationController from
 121   // WebContentsImpl to this class.
 122   NavigationControllerImpl* controller_;
 123
 124   // Used to notify the object embedding this Navigator about navigation
 125   // events. Can be NULL in tests.
 126   NavigatorDelegate* delegate_;
 127
 128   scoped_ptr<NavigatorImpl::NavigationMetricsData> navigation_data_;
 129
 130   // PlzNavigate: used to track the various ongoing NavigationRequests in the
 131   // different FrameTreeNodes, based on the frame_tree_node_id.
 132   typedef base::ScopedPtrHashMap<int64, NavigationRequest> NavigationRequestMap;
 133   NavigationRequestMap navigation_request_map_;
 134
 135   DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
 136 };
 137
 138 }  // namespace content
 139
 140 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_